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author | Vincent Sanders <vince@netsurf-browser.org> | 2010-12-05 15:35:30 +0000 |
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committer | Vincent Sanders <vince@netsurf-browser.org> | 2010-12-05 15:35:30 +0000 |
commit | 9ff129943ec479fa51b95e84b6e8c042a44363ae (patch) | |
tree | cd922f00182df62ccc1633ee435b83f521f2a8d0 /src/select/properties/properties.c | |
parent | 01d8e176628db2dc5a2a192ac7b097bd1998c8eb (diff) | |
download | libcss-9ff129943ec479fa51b95e84b6e8c042a44363ae.tar.gz libcss-9ff129943ec479fa51b95e84b6e8c042a44363ae.tar.bz2 |
Add string vector capability to stylesheet (r=jmb)
Move properties ready for split
svn path=/trunk/libcss/; revision=11005
Diffstat (limited to 'src/select/properties/properties.c')
-rw-r--r-- | src/select/properties/properties.c | 6646 |
1 files changed, 6646 insertions, 0 deletions
diff --git a/src/select/properties/properties.c b/src/select/properties/properties.c new file mode 100644 index 0000000..a0d1a18 --- /dev/null +++ b/src/select/properties/properties.c @@ -0,0 +1,6646 @@ +/* + * This file is part of LibCSS + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org> + */ + +#include <assert.h> + +#include "bytecode/bytecode.h" +#include "bytecode/opcodes.h" +#include "select/properties/properties.h" +#include "select/propget.h" +#include "select/propset.h" +#include "utils/utils.h" + +static css_unit to_css_unit(uint32_t u); +static css_error cascade_bg_border_color(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_color)); +static css_error cascade_uri_none(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, + lwc_string *)); +static css_error cascade_border_style(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t)); +static css_error cascade_border_width(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)); +static css_error cascade_length_auto(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)); +static css_error cascade_length_normal(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)); +static css_error cascade_length_none(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)); +static css_error cascade_length(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)); +static css_error cascade_number(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed)); +static css_error cascade_page_break_after_before(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t)); +static css_error cascade_counter_increment_reset(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, + css_computed_counter *)); + +/* Generic destructors */ + +static uint32_t generic_destroy_color(void *bytecode) +{ + return sizeof(uint32_t) + + ((getValue(*((uint32_t*)bytecode)) == BACKGROUND_COLOR_SET) ? sizeof(css_color) : 0); +} + +static uint32_t generic_destroy_uri(void *bytecode) +{ + bool has_uri = (getValue(*((uint32_t*)bytecode)) & BACKGROUND_IMAGE_URI) == BACKGROUND_IMAGE_URI; + + if (has_uri) { + void *vstr = (((uint8_t*)bytecode) + sizeof(uint32_t)); + lwc_string *str = *(lwc_string **) vstr; + lwc_string_unref(str); + } + return sizeof(uint32_t) + (has_uri ? sizeof(lwc_string*) : 0); +} + +static uint32_t generic_destroy_length(void *bytecode) +{ + bool has_length = (getValue(*((uint32_t*)bytecode)) & BORDER_WIDTH_SET) == BORDER_WIDTH_SET; + + return sizeof(uint32_t) + (has_length ? sizeof(css_fixed) + sizeof(uint32_t) : 0); +} + +static uint32_t generic_destroy_number(void *bytecode) +{ + uint32_t value = getValue(*((uint32_t*)bytecode)); + bool has_number = (value == ORPHANS_SET); + + return sizeof(uint32_t) + (has_number ? sizeof(css_fixed) : 0); +} + +/* Useful helpers */ + +css_unit to_css_unit(uint32_t u) +{ + switch (u) { + case UNIT_PX: return CSS_UNIT_PX; + case UNIT_EX: return CSS_UNIT_EX; + case UNIT_EM: return CSS_UNIT_EM; + case UNIT_IN: return CSS_UNIT_IN; + case UNIT_CM: return CSS_UNIT_CM; + case UNIT_MM: return CSS_UNIT_MM; + case UNIT_PT: return CSS_UNIT_PT; + case UNIT_PC: return CSS_UNIT_PC; + case UNIT_PCT: return CSS_UNIT_PCT; + case UNIT_DEG: return CSS_UNIT_DEG; + case UNIT_GRAD: return CSS_UNIT_GRAD; + case UNIT_RAD: return CSS_UNIT_RAD; + case UNIT_MS: return CSS_UNIT_MS; + case UNIT_S: return CSS_UNIT_S; + case UNIT_HZ: return CSS_UNIT_HZ; + case UNIT_KHZ: return CSS_UNIT_KHZ; + } + + return 0; +} + +css_error cascade_azimuth(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + css_fixed val = 0; + uint32_t unit = UNIT_DEG; + + if (isInherit(opv) == false) { + switch (getValue(opv) & ~AZIMUTH_BEHIND) { + case AZIMUTH_ANGLE: + value = 0; + + val = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(val)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case AZIMUTH_LEFTWARDS: + case AZIMUTH_RIGHTWARDS: + case AZIMUTH_LEFT_SIDE: + case AZIMUTH_FAR_LEFT: + case AZIMUTH_LEFT: + case AZIMUTH_CENTER_LEFT: + case AZIMUTH_CENTER: + case AZIMUTH_CENTER_RIGHT: + case AZIMUTH_RIGHT: + case AZIMUTH_FAR_RIGHT: + case AZIMUTH_RIGHT_SIDE: + /** \todo azimuth values */ + break; + } + + /** \todo azimuth behind */ + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo set computed azimuth */ + } + + return CSS_OK; +} + +css_error set_azimuth_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_azimuth(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_azimuth(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_azimuth(void *bytecode) +{ + bool has_angle = (((getValue(*(uint32_t*)bytecode) & (1<<7)) != 0)); + uint32_t extra_size = has_angle ? (sizeof(css_fixed) + sizeof(uint32_t)) : 0; + + return sizeof(uint32_t) + extra_size; +} + +css_error cascade_background_attachment(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_BACKGROUND_ATTACHMENT_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BACKGROUND_ATTACHMENT_FIXED: + value = CSS_BACKGROUND_ATTACHMENT_FIXED; + break; + case BACKGROUND_ATTACHMENT_SCROLL: + value = CSS_BACKGROUND_ATTACHMENT_SCROLL; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_background_attachment(state->result, value); + } + + return CSS_OK; +} + +css_error set_background_attachment_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_background_attachment(style, hint->status); +} + +css_error initial_background_attachment(css_select_state *state) +{ + return set_background_attachment(state->result, + CSS_BACKGROUND_ATTACHMENT_SCROLL); +} + +css_error compose_background_attachment(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_background_attachment(child); + + if (type == CSS_BACKGROUND_ATTACHMENT_INHERIT) { + type = get_background_attachment(parent); + } + + return set_background_attachment(result, type); +} + +uint32_t destroy_background_attachment(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_background_color(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_bg_border_color(opv, style, state, set_background_color); +} + +css_error set_background_color_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_background_color(style, hint->status, hint->data.color); +} + +css_error initial_background_color(css_select_state *state) +{ + return set_background_color(state->result, + CSS_BACKGROUND_COLOR_TRANSPARENT, 0); +} + +css_error compose_background_color(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_color color; + uint8_t type = get_background_color(child, &color); + + if (type == CSS_BACKGROUND_COLOR_INHERIT) { + type = get_background_color(parent, &color); + } + + return set_background_color(result, type, color); +} + +uint32_t destroy_background_color(void *bytecode) +{ + return generic_destroy_color(bytecode); +} + +css_error cascade_background_image(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_uri_none(opv, style, state, set_background_image); +} + +css_error set_background_image_from_hint(const css_hint *hint, + css_computed_style *style) +{ + css_error error; + + error = set_background_image(style, hint->status, hint->data.string); + + if (hint->data.string != NULL) + lwc_string_unref(hint->data.string); + + return error; +} + +css_error initial_background_image(css_select_state *state) +{ + return set_background_image(state->result, + CSS_BACKGROUND_IMAGE_NONE, NULL); +} + +css_error compose_background_image(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + lwc_string *url; + uint8_t type = get_background_image(child, &url); + + if (type == CSS_BACKGROUND_IMAGE_INHERIT) { + type = get_background_image(parent, &url); + } + + return set_background_image(result, type, url); +} + +uint32_t destroy_background_image(void *bytecode) +{ + return generic_destroy_uri(bytecode); +} + +css_error cascade_background_position(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_BACKGROUND_POSITION_INHERIT; + css_fixed hlength = 0; + css_fixed vlength = 0; + uint32_t hunit = UNIT_PX; + uint32_t vunit = UNIT_PX; + + if (isInherit(opv) == false) { + value = CSS_BACKGROUND_POSITION_SET; + + switch (getValue(opv) & 0xf0) { + case BACKGROUND_POSITION_HORZ_SET: + hlength = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(hlength)); + hunit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(hunit)); + break; + case BACKGROUND_POSITION_HORZ_CENTER: + hlength = INTTOFIX(50); + hunit = UNIT_PCT; + break; + case BACKGROUND_POSITION_HORZ_RIGHT: + hlength = INTTOFIX(100); + hunit = UNIT_PCT; + break; + case BACKGROUND_POSITION_HORZ_LEFT: + hlength = INTTOFIX(0); + hunit = UNIT_PCT; + break; + } + + switch (getValue(opv) & 0x0f) { + case BACKGROUND_POSITION_VERT_SET: + vlength = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(vlength)); + vunit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(vunit)); + break; + case BACKGROUND_POSITION_VERT_CENTER: + vlength = INTTOFIX(50); + vunit = UNIT_PCT; + break; + case BACKGROUND_POSITION_VERT_BOTTOM: + vlength = INTTOFIX(100); + vunit = UNIT_PCT; + break; + case BACKGROUND_POSITION_VERT_TOP: + vlength = INTTOFIX(0); + vunit = UNIT_PCT; + break; + } + } + + hunit = to_css_unit(hunit); + vunit = to_css_unit(vunit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_background_position(state->result, value, + hlength, hunit, vlength, vunit); + } + + return CSS_OK; +} + +css_error set_background_position_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_background_position(style, hint->status, + hint->data.position.h.value, hint->data.position.h.unit, + hint->data.position.v.value, hint->data.position.v.unit); +} + +css_error initial_background_position(css_select_state *state) +{ + return set_background_position(state->result, + CSS_BACKGROUND_POSITION_SET, + 0, CSS_UNIT_PCT, 0, CSS_UNIT_PCT); +} + +css_error compose_background_position(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed hlength = 0, vlength = 0; + css_unit hunit = CSS_UNIT_PX, vunit = CSS_UNIT_PX; + uint8_t type = get_background_position(child, &hlength, &hunit, + &vlength, &vunit); + + if (type == CSS_BACKGROUND_POSITION_INHERIT) { + type = get_background_position(parent, + &hlength, &hunit, &vlength, &vunit); + } + + return set_background_position(result, type, hlength, hunit, + vlength, vunit); +} + + +uint32_t destroy_background_position(void *bytecode) +{ + uint32_t value = getValue(*((uint32_t*)bytecode)); + uint32_t extra_size = 0; + + if ((value & 0x0f) == BACKGROUND_POSITION_VERT_SET) + extra_size += sizeof(css_fixed) + sizeof(uint32_t); + if ((value & 0xf0) == BACKGROUND_POSITION_HORZ_SET) + extra_size += sizeof(css_fixed) + sizeof(uint32_t); + + return sizeof(uint32_t) + extra_size; +} + +css_error cascade_background_repeat(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_BACKGROUND_REPEAT_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BACKGROUND_REPEAT_NO_REPEAT: + value = CSS_BACKGROUND_REPEAT_NO_REPEAT; + break; + case BACKGROUND_REPEAT_REPEAT_X: + value = CSS_BACKGROUND_REPEAT_REPEAT_X; + break; + case BACKGROUND_REPEAT_REPEAT_Y: + value = CSS_BACKGROUND_REPEAT_REPEAT_Y; + break; + case BACKGROUND_REPEAT_REPEAT: + value = CSS_BACKGROUND_REPEAT_REPEAT; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_background_repeat(state->result, value); + } + + return CSS_OK; +} + +css_error set_background_repeat_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_background_repeat(style, hint->status); +} + +css_error initial_background_repeat(css_select_state *state) +{ + return set_background_repeat(state->result, + CSS_BACKGROUND_REPEAT_REPEAT); +} + +css_error compose_background_repeat(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_background_repeat(child); + + if (type == CSS_BACKGROUND_REPEAT_INHERIT) { + type = get_background_repeat(parent); + } + + return set_background_repeat(result, type); +} + +uint32_t destroy_background_repeat(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_border_collapse(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_BORDER_COLLAPSE_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BORDER_COLLAPSE_SEPARATE: + value = CSS_BORDER_COLLAPSE_SEPARATE; + break; + case BORDER_COLLAPSE_COLLAPSE: + value = CSS_BORDER_COLLAPSE_COLLAPSE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_border_collapse(state->result, value); + } + + return CSS_OK; +} + +css_error set_border_collapse_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_collapse(style, hint->status); +} + +css_error initial_border_collapse(css_select_state *state) +{ + return set_border_collapse(state->result, CSS_BORDER_COLLAPSE_SEPARATE); +} + +css_error compose_border_collapse(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_border_collapse(child); + + if (type == CSS_BORDER_COLLAPSE_INHERIT) { + type = get_border_collapse(parent); + } + + return set_border_collapse(result, type); +} + +uint32_t destroy_border_collapse(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_border_spacing(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_BORDER_SPACING_INHERIT; + css_fixed hlength = 0; + css_fixed vlength = 0; + uint32_t hunit = UNIT_PX; + uint32_t vunit = UNIT_PX; + + if (isInherit(opv) == false) { + value = CSS_BORDER_SPACING_SET; + hlength = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(hlength)); + hunit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(hunit)); + + vlength = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(vlength)); + vunit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(vunit)); + } + + hunit = to_css_unit(hunit); + vunit = to_css_unit(vunit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_border_spacing(state->result, value, + hlength, hunit, vlength, vunit); + } + + return CSS_OK; +} + +css_error set_border_spacing_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_spacing(style, hint->status, + hint->data.position.h.value, hint->data.position.h.unit, + hint->data.position.v.value, hint->data.position.v.unit); +} + +css_error initial_border_spacing(css_select_state *state) +{ + return set_border_spacing(state->result, CSS_BORDER_SPACING_SET, + 0, CSS_UNIT_PX, 0, CSS_UNIT_PX); +} + +css_error compose_border_spacing(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed hlength = 0, vlength = 0; + css_unit hunit = CSS_UNIT_PX, vunit = CSS_UNIT_PX; + uint8_t type = get_border_spacing(child, &hlength, &hunit, + &vlength, &vunit); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_BORDER_SPACING_INHERIT || + (child->uncommon != NULL && result != child)) { + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_BORDER_SPACING_INHERIT) { + type = get_border_spacing(parent, + &hlength, &hunit, &vlength, &vunit); + } + + return set_border_spacing(result, type, hlength, hunit, + vlength, vunit); + } + + return CSS_OK; +} + +uint32_t destroy_border_spacing(void *bytecode) +{ + bool has_values = (getValue(*((uint32_t*)bytecode)) == BORDER_SPACING_SET); + + return sizeof(uint32_t) + (has_values ? (sizeof(css_fixed) + sizeof(uint32_t)) * 2 : 0); +} + +css_error cascade_border_top_color(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_bg_border_color(opv, style, state, set_border_top_color); +} + +css_error set_border_top_color_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_top_color(style, hint->status, hint->data.color); +} + +css_error initial_border_top_color(css_select_state *state) +{ + return set_border_top_color(state->result, CSS_BORDER_COLOR_INITIAL, 0); +} + +css_error compose_border_top_color(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_color color; + uint8_t type = get_border_top_color(child, &color); + + if (type == CSS_BORDER_COLOR_INHERIT) { + type = get_border_top_color(parent, &color); + } + + return set_border_top_color(result, type, color); +} + +uint32_t destroy_border_top_color(void *bytecode) +{ + return generic_destroy_color(bytecode); +} + +css_error cascade_border_right_color(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_bg_border_color(opv, style, state, + set_border_right_color); +} + +css_error set_border_right_color_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_right_color(style, hint->status, hint->data.color); +} + +css_error initial_border_right_color(css_select_state *state) +{ + return set_border_right_color(state->result, + CSS_BORDER_COLOR_INITIAL, 0); +} + +css_error compose_border_right_color(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_color color; + uint8_t type = get_border_right_color(child, &color); + + if (type == CSS_BORDER_COLOR_INHERIT) { + type = get_border_right_color(parent, &color); + } + + return set_border_right_color(result, type, color); +} + +uint32_t destroy_border_right_color(void *bytecode) +{ + return generic_destroy_color(bytecode); +} + +css_error cascade_border_bottom_color(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_bg_border_color(opv, style, state, + set_border_bottom_color); +} + +css_error set_border_bottom_color_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_bottom_color(style, hint->status, hint->data.color); +} + +css_error initial_border_bottom_color(css_select_state *state) +{ + return set_border_bottom_color(state->result, + CSS_BORDER_COLOR_INITIAL, 0); +} + +css_error compose_border_bottom_color(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_color color; + uint8_t type = get_border_bottom_color(child, &color); + + if (type == CSS_BORDER_COLOR_INHERIT) { + type = get_border_bottom_color(parent, &color); + } + + return set_border_bottom_color(result, type, color); +} + +uint32_t destroy_border_bottom_color(void *bytecode) +{ + return generic_destroy_color(bytecode); +} + +css_error cascade_border_left_color(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_bg_border_color(opv, style, state, + set_border_left_color); +} + +css_error set_border_left_color_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_left_color(style, hint->status, hint->data.color); +} + +css_error initial_border_left_color(css_select_state *state) +{ + return set_border_left_color(state->result, + CSS_BORDER_COLOR_INITIAL, 0); +} + +css_error compose_border_left_color(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_color color; + uint8_t type = get_border_left_color(child, &color); + + if (type == CSS_BORDER_COLOR_INHERIT) { + type = get_border_left_color(parent, &color); + } + + return set_border_left_color(result, type, color); +} + +uint32_t destroy_border_left_color(void *bytecode) +{ + return generic_destroy_color(bytecode); +} + +css_error cascade_border_top_style(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_style(opv, style, state, set_border_top_style); +} + +css_error set_border_top_style_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_top_style(style, hint->status); +} + +css_error initial_border_top_style(css_select_state *state) +{ + return set_border_top_style(state->result, CSS_BORDER_STYLE_NONE); +} + +css_error compose_border_top_style(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_border_top_style(child); + + if (type == CSS_BORDER_STYLE_INHERIT) { + type = get_border_top_style(parent); + } + + return set_border_top_style(result, type); +} + +uint32_t destroy_border_top_style(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_border_right_style(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_style(opv, style, state, set_border_right_style); +} + +css_error set_border_right_style_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_right_style(style, hint->status); +} + +css_error initial_border_right_style(css_select_state *state) +{ + return set_border_right_style(state->result, CSS_BORDER_STYLE_NONE); +} + +css_error compose_border_right_style(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_border_right_style(child); + + if (type == CSS_BORDER_STYLE_INHERIT) { + type = get_border_right_style(parent); + } + + return set_border_right_style(result, type); +} + +uint32_t destroy_border_right_style(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_border_bottom_style(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_style(opv, style, state, set_border_bottom_style); +} + +css_error set_border_bottom_style_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_bottom_style(style, hint->status); +} + +css_error initial_border_bottom_style(css_select_state *state) +{ + return set_border_bottom_style(state->result, CSS_BORDER_STYLE_NONE); +} + +css_error compose_border_bottom_style(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_border_bottom_style(child); + + if (type == CSS_BORDER_STYLE_INHERIT) { + type = get_border_bottom_style(parent); + } + + return set_border_bottom_style(result, type); +} + +uint32_t destroy_border_bottom_style(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_border_left_style(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_style(opv, style, state, set_border_left_style); +} + +css_error set_border_left_style_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_left_style(style, hint->status); +} + +css_error initial_border_left_style(css_select_state *state) +{ + return set_border_left_style(state->result, CSS_BORDER_STYLE_NONE); +} + +css_error compose_border_left_style(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_border_left_style(child); + + if (type == CSS_BORDER_STYLE_INHERIT) { + type = get_border_left_style(parent); + } + + return set_border_left_style(result, type); +} + +uint32_t destroy_border_left_style(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_border_top_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_width(opv, style, state, set_border_top_width); +} + +css_error set_border_top_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_top_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_border_top_width(css_select_state *state) +{ + return set_border_top_width(state->result, CSS_BORDER_WIDTH_MEDIUM, + 0, CSS_UNIT_PX); +} + +css_error compose_border_top_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_border_top_width(child, &length, &unit); + + if (type == CSS_BORDER_WIDTH_INHERIT) { + type = get_border_top_width(parent, &length, &unit); + } + + return set_border_top_width(result, type, length, unit); +} + +uint32_t destroy_border_top_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_border_right_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_width(opv, style, state, set_border_right_width); +} + +css_error set_border_right_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_right_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_border_right_width(css_select_state *state) +{ + return set_border_right_width(state->result, CSS_BORDER_WIDTH_MEDIUM, + 0, CSS_UNIT_PX); +} + +css_error compose_border_right_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_border_right_width(child, &length, &unit); + + if (type == CSS_BORDER_WIDTH_INHERIT) { + type = get_border_right_width(parent, &length, &unit); + } + + return set_border_right_width(result, type, length, unit); +} + +uint32_t destroy_border_right_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_border_bottom_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_width(opv, style, state, set_border_bottom_width); +} + +css_error set_border_bottom_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_bottom_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_border_bottom_width(css_select_state *state) +{ + return set_border_bottom_width(state->result, CSS_BORDER_WIDTH_MEDIUM, + 0, CSS_UNIT_PX); +} + +css_error compose_border_bottom_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_border_bottom_width(child, &length, &unit); + + if (type == CSS_BORDER_WIDTH_INHERIT) { + type = get_border_bottom_width(parent, &length, &unit); + } + + return set_border_bottom_width(result, type, length, unit); +} + +uint32_t destroy_border_bottom_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_border_left_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_width(opv, style, state, set_border_left_width); +} + +css_error set_border_left_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_border_left_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_border_left_width(css_select_state *state) +{ + return set_border_left_width(state->result, CSS_BORDER_WIDTH_MEDIUM, + 0, CSS_UNIT_PX); +} + +css_error compose_border_left_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_border_left_width(child, &length, &unit); + + if (type == CSS_BORDER_WIDTH_INHERIT) { + type = get_border_left_width(parent, &length, &unit); + } + + return set_border_left_width(result, type, length, unit); +} + +uint32_t destroy_border_left_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_bottom(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_bottom); +} + +css_error set_bottom_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_bottom(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_bottom(css_select_state *state) +{ + return set_bottom(state->result, CSS_BOTTOM_AUTO, 0, CSS_UNIT_PX); +} + +css_error compose_bottom(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_bottom(child, &length, &unit); + + if (type == CSS_BOTTOM_INHERIT) { + type = get_bottom(parent, &length, &unit); + } + + return set_bottom(result, type, length, unit); +} + +uint32_t destroy_bottom(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_caption_side(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_CAPTION_SIDE_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case CAPTION_SIDE_TOP: + value = CSS_CAPTION_SIDE_TOP; + break; + case CAPTION_SIDE_BOTTOM: + value = CSS_CAPTION_SIDE_BOTTOM; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_caption_side(state->result, value); + } + + return CSS_OK; +} + +css_error set_caption_side_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_caption_side(style, hint->status); +} + +css_error initial_caption_side(css_select_state *state) +{ + return set_caption_side(state->result, CSS_CAPTION_SIDE_TOP); +} + +css_error compose_caption_side(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_caption_side(child); + + if (type == CSS_CAPTION_SIDE_INHERIT) { + type = get_caption_side(parent); + } + + return set_caption_side(result, type); +} + +uint32_t destroy_caption_side(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_clear(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_CLEAR_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case CLEAR_NONE: + value = CSS_CLEAR_NONE; + break; + case CLEAR_LEFT: + value = CSS_CLEAR_LEFT; + break; + case CLEAR_RIGHT: + value = CSS_CLEAR_RIGHT; + break; + case CLEAR_BOTH: + value = CSS_CLEAR_BOTH; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_clear(state->result, value); + } + + return CSS_OK; +} + +css_error set_clear_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_clear(style, hint->status); +} + +css_error initial_clear(css_select_state *state) +{ + return set_clear(state->result, CSS_CLEAR_NONE); +} + +css_error compose_clear(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_clear(child); + + if (type == CSS_CLEAR_INHERIT) { + type = get_clear(parent); + } + + return set_clear(result, type); +} + +uint32_t destroy_clear(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_clip(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_CLIP_INHERIT; + css_computed_clip_rect rect = { 0, 0, 0, 0, + UNIT_PX, UNIT_PX, UNIT_PX, UNIT_PX, + false, false, false, false }; + + if (isInherit(opv) == false) { + switch (getValue(opv) & CLIP_SHAPE_MASK) { + case CLIP_SHAPE_RECT: + if (getValue(opv) & CLIP_RECT_TOP_AUTO) { + rect.top_auto = true; + } else { + rect.top = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(css_fixed)); + rect.tunit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(uint32_t)); + } + if (getValue(opv) & CLIP_RECT_RIGHT_AUTO) { + rect.right_auto = true; + } else { + rect.right = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(css_fixed)); + rect.runit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(uint32_t)); + } + if (getValue(opv) & CLIP_RECT_BOTTOM_AUTO) { + rect.bottom_auto = true; + } else { + rect.bottom = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(css_fixed)); + rect.bunit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(uint32_t)); + } + if (getValue(opv) & CLIP_RECT_LEFT_AUTO) { + rect.left_auto = true; + } else { + rect.left = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(css_fixed)); + rect.lunit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(uint32_t)); + } + break; + case CLIP_AUTO: + value = CSS_CLIP_AUTO; + break; + } + } + + rect.tunit = to_css_unit(rect.tunit); + rect.runit = to_css_unit(rect.runit); + rect.bunit = to_css_unit(rect.bunit); + rect.lunit = to_css_unit(rect.lunit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_clip(state->result, value, &rect); + } + + return CSS_OK; +} + +css_error set_clip_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_clip(style, hint->status, hint->data.clip); +} + +css_error initial_clip(css_select_state *state) +{ + css_computed_clip_rect rect = { 0, 0, 0, 0, + CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, + false, false, false, false }; + + return set_clip(state->result, CSS_CLIP_AUTO, &rect); +} + +css_error compose_clip(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_computed_clip_rect rect = { 0, 0, 0, 0, + CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, + false, false, false, false }; + uint8_t type = get_clip(child, &rect); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_CLIP_INHERIT || + (child->uncommon != NULL && result != child)) { + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_CLIP_INHERIT) { + type = get_clip(parent, &rect); + } + + return set_clip(result, type, &rect); + } + + return CSS_OK; +} + +uint32_t destroy_clip(void *bytecode) +{ + uint32_t value = getValue(*((uint32_t*)bytecode)); + bool has_rect = value & CLIP_SHAPE_RECT; + int nonautos = 0; + + if (has_rect) { + if ((value & CLIP_RECT_TOP_AUTO) == 0) + nonautos += 1; + if ((value & CLIP_RECT_RIGHT_AUTO) == 0) + nonautos += 1; + if ((value & CLIP_RECT_BOTTOM_AUTO) == 0) + nonautos += 1; + if ((value & CLIP_RECT_LEFT_AUTO) == 0) + nonautos += 1; + } + + return sizeof(uint32_t) + ((sizeof(css_fixed) + sizeof(uint32_t)) * nonautos); +} + +css_error cascade_color(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_COLOR_INHERIT; + css_color color = 0; + + if (isInherit(opv) == false) { + value = CSS_COLOR_COLOR; + color = *((css_color *) style->bytecode); + advance_bytecode(style, sizeof(color)); + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_color(state->result, value, color); + } + + return CSS_OK; +} + +css_error set_color_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_color(style, hint->status, hint->data.color); +} + +css_error initial_color(css_select_state *state) +{ + css_hint hint; + css_error error; + + error = state->handler->ua_default_for_property(state->pw, + CSS_PROP_COLOR, &hint); + if (error != CSS_OK) + return error; + + return set_color_from_hint(&hint, state->result); +} + +css_error compose_color(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_color color; + uint8_t type = get_color(child, &color); + + if (type == CSS_COLOR_INHERIT) { + type = get_color(parent, &color); + } + + return set_color(result, type, color); +} + +uint32_t destroy_color(void *bytecode) +{ + return generic_destroy_color(bytecode); +} + +css_error cascade_content(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_CONTENT_INHERIT; + css_computed_content_item *content = NULL; + uint32_t n_contents = 0; + + if (isInherit(opv) == false) { + uint32_t v = getValue(opv); + + if (v == CONTENT_NORMAL) { + value = CSS_CONTENT_NORMAL; + } else if (v == CONTENT_NONE) { + value = CSS_CONTENT_NONE; + } else { + value = CSS_CONTENT_SET; + + while (v != CONTENT_NORMAL) { + lwc_string *he = *((lwc_string **) style->bytecode); + css_computed_content_item *temp; + + temp = state->result->alloc(content, + (n_contents + 1) * + sizeof(css_computed_content_item), + state->result->pw); + if (temp == NULL) { + if (content != NULL) { + state->result->alloc(content, + 0, state->result->pw); + } + return CSS_NOMEM; + } + + content = temp; + + switch (v & 0xff) { + case CONTENT_COUNTER: + advance_bytecode(style, sizeof(he)); + + content[n_contents].type = + CSS_COMPUTED_CONTENT_COUNTER; + content[n_contents].data.counter.name = he; + content[n_contents].data.counter.style = v >> CONTENT_COUNTER_STYLE_SHIFT; + break; + case CONTENT_COUNTERS: + { + lwc_string *sep; + + advance_bytecode(style, sizeof(he)); + + sep = *((lwc_string **) + style->bytecode); + advance_bytecode(style, sizeof(sep)); + + content[n_contents].type = + CSS_COMPUTED_CONTENT_COUNTERS; + content[n_contents].data.counters.name = he; + content[n_contents].data.counters.sep = sep; + content[n_contents].data.counters.style = v >> CONTENT_COUNTERS_STYLE_SHIFT; + } + break; + case CONTENT_URI: + advance_bytecode(style, sizeof(he)); + + content[n_contents].type = + CSS_COMPUTED_CONTENT_URI; + content[n_contents].data.uri = he; + break; + case CONTENT_ATTR: + advance_bytecode(style, sizeof(he)); + + content[n_contents].type = + CSS_COMPUTED_CONTENT_ATTR; + content[n_contents].data.attr = he; + break; + case CONTENT_STRING: + advance_bytecode(style, sizeof(he)); + + content[n_contents].type = + CSS_COMPUTED_CONTENT_STRING; + content[n_contents].data.string = he; + break; + case CONTENT_OPEN_QUOTE: + content[n_contents].type = + CSS_COMPUTED_CONTENT_OPEN_QUOTE; + break; + case CONTENT_CLOSE_QUOTE: + content[n_contents].type = + CSS_COMPUTED_CONTENT_CLOSE_QUOTE; + break; + case CONTENT_NO_OPEN_QUOTE: + content[n_contents].type = + CSS_COMPUTED_CONTENT_NO_OPEN_QUOTE; + break; + case CONTENT_NO_CLOSE_QUOTE: + content[n_contents].type = + CSS_COMPUTED_CONTENT_NO_CLOSE_QUOTE; + break; + } + + n_contents++; + + v = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(v)); + } + } + } + + /* If we have some content, terminate the array with a blank entry */ + if (n_contents > 0) { + css_computed_content_item *temp; + + temp = state->result->alloc(content, + (n_contents + 1) * sizeof(css_computed_content_item), + state->result->pw); + if (temp == NULL) { + state->result->alloc(content, 0, state->result->pw); + return CSS_NOMEM; + } + + content = temp; + + content[n_contents].type = CSS_COMPUTED_CONTENT_NONE; + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + css_error error; + + error = set_content(state->result, value, content); + if (error != CSS_OK && content != NULL) + state->result->alloc(content, 0, state->result->pw); + + return error; + } else if (content != NULL) { + state->result->alloc(content, 0, state->result->pw); + } + + return CSS_OK; +} + +css_error set_content_from_hint(const css_hint *hint, + css_computed_style *style) +{ + css_computed_content_item *item; + css_error error; + + error = set_content(style, hint->status, hint->data.content); + + for (item = hint->data.content; item != NULL && + item->type != CSS_COMPUTED_CONTENT_NONE; + item++) { + switch (item->type) { + case CSS_COMPUTED_CONTENT_STRING: + lwc_string_unref(item->data.string); + break; + case CSS_COMPUTED_CONTENT_URI: + lwc_string_unref(item->data.uri); + break; + case CSS_COMPUTED_CONTENT_COUNTER: + lwc_string_unref(item->data.counter.name); + break; + case CSS_COMPUTED_CONTENT_COUNTERS: + lwc_string_unref(item->data.counters.name); + lwc_string_unref(item->data.counters.sep); + break; + case CSS_COMPUTED_CONTENT_ATTR: + lwc_string_unref(item->data.attr); + break; + default: + break; + } + } + + if (error != CSS_OK && hint->data.content != NULL) + style->alloc(hint->data.content, 0, style->pw); + + return error; +} + +css_error initial_content(css_select_state *state) +{ + return set_content(state->result, CSS_CONTENT_NORMAL, NULL); +} + +css_error compose_content(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_error error; + const css_computed_content_item *items = NULL; + uint8_t type = get_content(child, &items); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_CONTENT_INHERIT || + (child->uncommon != NULL && result != child)) { + size_t n_items = 0; + css_computed_content_item *copy = NULL; + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_CONTENT_INHERIT) { + type = get_content(parent, &items); + } + + if (type == CSS_CONTENT_SET) { + const css_computed_content_item *i; + + for (i = items; i->type != CSS_COMPUTED_CONTENT_NONE; + i++) + n_items++; + + copy = result->alloc(NULL, (n_items + 1) * + sizeof(css_computed_content_item), + result->pw); + if (copy == NULL) + return CSS_NOMEM; + + memcpy(copy, items, (n_items + 1) * + sizeof(css_computed_content_item)); + } + + error = set_content(result, type, copy); + if (error != CSS_OK && copy != NULL) + result->alloc(copy, 0, result->pw); + + return error; + } + + return CSS_OK; +} + +uint32_t destroy_content(void *bytecode) +{ + uint32_t consumed = sizeof(uint32_t); + uint32_t value = getValue(*((uint32_t*)bytecode)); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + + if (value == CONTENT_NONE || value == CONTENT_NORMAL) + return sizeof(uint32_t); + + while (value != 0) { + switch (value & 0xff) { + case CONTENT_COUNTERS: { + lwc_string *str = *(lwc_string **)bytecode; + lwc_string_unref(str); + consumed += sizeof(lwc_string*); + bytecode = (uint8_t*)bytecode + sizeof(lwc_string *); + } + case CONTENT_STRING: + case CONTENT_URI: + case CONTENT_COUNTER: + case CONTENT_ATTR: { + lwc_string *str = *(lwc_string **)bytecode; + lwc_string_unref(str); + consumed += sizeof(lwc_string*); + bytecode = (uint8_t*)bytecode + sizeof(lwc_string *); + } + } + consumed += sizeof(uint32_t); + value = *((uint32_t*)bytecode); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + } + + return consumed; +} + +css_error cascade_counter_increment(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_counter_increment_reset(opv, style, state, + set_counter_increment); +} + +css_error set_counter_increment_from_hint(const css_hint *hint, + css_computed_style *style) +{ + css_computed_counter *item; + css_error error; + + error = set_counter_increment(style, hint->status, hint->data.counter); + + if (hint->status == CSS_COUNTER_INCREMENT_NAMED && + hint->data.counter != NULL) { + for (item = hint->data.counter; item->name != NULL; item++) { + lwc_string_unref(item->name); + } + } + + if (error != CSS_OK && hint->data.counter != NULL) + style->alloc(hint->data.counter, 0, style->pw); + + return error; +} + +css_error initial_counter_increment(css_select_state *state) +{ + return set_counter_increment(state->result, + CSS_COUNTER_INCREMENT_NONE, NULL); +} + +css_error compose_counter_increment(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_error error; + const css_computed_counter *items = NULL; + uint8_t type = get_counter_increment(child, &items); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_COUNTER_INCREMENT_INHERIT || + (child->uncommon != NULL && result != child)) { + size_t n_items = 0; + css_computed_counter *copy = NULL; + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_COUNTER_INCREMENT_INHERIT) { + type = get_counter_increment(parent, &items); + } + + if (type == CSS_COUNTER_INCREMENT_NAMED && items != NULL) { + const css_computed_counter *i; + + for (i = items; i->name != NULL; i++) + n_items++; + + copy = result->alloc(NULL, (n_items + 1) * + sizeof(css_computed_counter), + result->pw); + if (copy == NULL) + return CSS_NOMEM; + + memcpy(copy, items, (n_items + 1) * + sizeof(css_computed_counter)); + } + + error = set_counter_increment(result, type, copy); + if (error != CSS_OK && copy != NULL) + result->alloc(copy, 0, result->pw); + + return error; + } + + return CSS_OK; +} + +uint32_t destroy_counter_increment(void *bytecode) +{ + uint32_t consumed = sizeof(uint32_t); + uint32_t value = getValue(*((uint32_t*)bytecode)); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + + if (value == COUNTER_INCREMENT_NAMED) { + while (value != COUNTER_INCREMENT_NONE) { + lwc_string *str = *((lwc_string **)bytecode); + consumed += sizeof(lwc_string*) + sizeof(css_fixed); + bytecode = ((uint8_t*)bytecode) + sizeof(lwc_string*) + sizeof(css_fixed); + lwc_string_unref(str); + + consumed += sizeof(uint32_t); + value = *((uint32_t*)bytecode); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + } + } + + return consumed; +} + +css_error cascade_counter_reset(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_counter_increment_reset(opv, style, state, + set_counter_reset); +} + +css_error set_counter_reset_from_hint(const css_hint *hint, + css_computed_style *style) +{ + css_computed_counter *item; + css_error error; + + error = set_counter_reset(style, hint->status, hint->data.counter); + + if (hint->status == CSS_COUNTER_RESET_NAMED && + hint->data.counter != NULL) { + for (item = hint->data.counter; item->name != NULL; item++) { + lwc_string_unref(item->name); + } + } + + if (error != CSS_OK && hint->data.counter != NULL) + style->alloc(hint->data.counter, 0, style->pw); + + return error; +} + +css_error initial_counter_reset(css_select_state *state) +{ + return set_counter_reset(state->result, CSS_COUNTER_RESET_NONE, NULL); +} + +css_error compose_counter_reset(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_error error; + const css_computed_counter *items = NULL; + uint8_t type = get_counter_reset(child, &items); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_COUNTER_RESET_INHERIT || + (child->uncommon != NULL && result != child)) { + size_t n_items = 0; + css_computed_counter *copy = NULL; + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_COUNTER_RESET_INHERIT) { + type = get_counter_reset(parent, &items); + } + + if (type == CSS_COUNTER_RESET_NAMED && items != NULL) { + const css_computed_counter *i; + + for (i = items; i->name != NULL; i++) + n_items++; + + copy = result->alloc(NULL, (n_items + 1) * + sizeof(css_computed_counter), + result->pw); + if (copy == NULL) + return CSS_NOMEM; + + memcpy(copy, items, (n_items + 1) * + sizeof(css_computed_counter)); + } + + error = set_counter_reset(result, type, copy); + if (error != CSS_OK && copy != NULL) + result->alloc(copy, 0, result->pw); + + return error; + } + + return CSS_OK; +} + +uint32_t destroy_counter_reset(void *bytecode) +{ + uint32_t consumed = sizeof(uint32_t); + uint32_t value = getValue(*((uint32_t*)bytecode)); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + + if (value == COUNTER_INCREMENT_NAMED) { + while (value != COUNTER_INCREMENT_NONE) { + lwc_string *str = *((lwc_string **)bytecode); + consumed += sizeof(lwc_string*) + sizeof(css_fixed); + bytecode = ((uint8_t*)bytecode) + sizeof(lwc_string*) + sizeof(css_fixed); + lwc_string_unref(str); + + consumed += sizeof(uint32_t); + value = *((uint32_t*)bytecode); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + } + } + + return consumed; +} + +css_error cascade_cue_after(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo cue-after */ + return cascade_uri_none(opv, style, state, NULL); +} + +css_error set_cue_after_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_cue_after(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_cue_after(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_cue_after(void *bytecode) +{ + return generic_destroy_uri(bytecode); +} + +css_error cascade_cue_before(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo cue-before */ + return cascade_uri_none(opv, style, state, NULL); +} + +css_error set_cue_before_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_cue_before(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_cue_before(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_cue_before(void *bytecode) +{ + return generic_destroy_uri(bytecode); +} + +css_error cascade_cursor(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_CURSOR_INHERIT; + lwc_string **uris = NULL; + uint32_t n_uris = 0; + + if (isInherit(opv) == false) { + uint32_t v = getValue(opv); + + while (v == CURSOR_URI) { + lwc_string *uri; + lwc_string **temp; + + uri = *((lwc_string **) style->bytecode); + advance_bytecode(style, sizeof(uri)); + + temp = state->result->alloc(uris, + (n_uris + 1) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + if (uris != NULL) { + state->result->alloc(uris, 0, + state->result->pw); + } + return CSS_NOMEM; + } + + uris = temp; + + uris[n_uris] = uri; + + n_uris++; + + v = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(v)); + } + + switch (v) { + case CURSOR_AUTO: + value = CSS_CURSOR_AUTO; + break; + case CURSOR_CROSSHAIR: + value = CSS_CURSOR_CROSSHAIR; + break; + case CURSOR_DEFAULT: + value = CSS_CURSOR_DEFAULT; + break; + case CURSOR_POINTER: + value = CSS_CURSOR_POINTER; + break; + case CURSOR_MOVE: + value = CSS_CURSOR_MOVE; + break; + case CURSOR_E_RESIZE: + value = CSS_CURSOR_E_RESIZE; + break; + case CURSOR_NE_RESIZE: + value = CSS_CURSOR_NE_RESIZE; + break; + case CURSOR_NW_RESIZE: + value = CSS_CURSOR_NW_RESIZE; + break; + case CURSOR_N_RESIZE: + value = CSS_CURSOR_N_RESIZE; + break; + case CURSOR_SE_RESIZE: + value = CSS_CURSOR_SE_RESIZE; + break; + case CURSOR_SW_RESIZE: + value = CSS_CURSOR_SW_RESIZE; + break; + case CURSOR_S_RESIZE: + value = CSS_CURSOR_S_RESIZE; + break; + case CURSOR_W_RESIZE: + value = CSS_CURSOR_W_RESIZE; + break; + case CURSOR_TEXT: + value = CSS_CURSOR_TEXT; + break; + case CURSOR_WAIT: + value = CSS_CURSOR_WAIT; + break; + case CURSOR_HELP: + value = CSS_CURSOR_HELP; + break; + case CURSOR_PROGRESS: + value = CSS_CURSOR_PROGRESS; + break; + } + } + + /* Terminate array with blank entry, if needed */ + if (n_uris > 0) { + lwc_string **temp; + + temp = state->result->alloc(uris, + (n_uris + 1) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + state->result->alloc(uris, 0, state->result->pw); + return CSS_NOMEM; + } + + uris = temp; + + uris[n_uris] = NULL; + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + css_error error; + + error = set_cursor(state->result, value, uris); + if (error != CSS_OK && n_uris > 0) + state->result->alloc(uris, 0, state->result->pw); + + return error; + } else { + if (n_uris > 0) + state->result->alloc(uris, 0, state->result->pw); + } + + return CSS_OK; +} + +css_error set_cursor_from_hint(const css_hint *hint, + css_computed_style *style) +{ + lwc_string **item; + css_error error; + + error = set_cursor(style, hint->status, hint->data.strings); + + for (item = hint->data.strings; + item != NULL && (*item) != NULL; item++) { + lwc_string_unref(*item); + } + + if (error != CSS_OK && hint->data.strings != NULL) + style->alloc(hint->data.strings, 0, style->pw); + + return error; +} + +css_error initial_cursor(css_select_state *state) +{ + return set_cursor(state->result, CSS_CURSOR_AUTO, NULL); +} + +css_error compose_cursor(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_error error; + lwc_string **urls = NULL; + uint8_t type = get_cursor(child, &urls); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_CURSOR_INHERIT || + (child->uncommon != NULL && result != child)) { + size_t n_urls = 0; + lwc_string **copy = NULL; + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_CURSOR_INHERIT) { + type = get_cursor(parent, &urls); + } + + if (urls != NULL) { + lwc_string **i; + + for (i = urls; (*i) != NULL; i++) + n_urls++; + + copy = result->alloc(NULL, (n_urls + 1) * + sizeof(lwc_string *), + result->pw); + if (copy == NULL) + return CSS_NOMEM; + + memcpy(copy, urls, (n_urls + 1) * + sizeof(lwc_string *)); + } + + error = set_cursor(result, type, copy); + if (error != CSS_OK && copy != NULL) + result->alloc(copy, 0, result->pw); + + return error; + } + + return CSS_OK; +} + +uint32_t destroy_cursor(void *bytecode) +{ + uint32_t consumed = sizeof(uint32_t); + uint32_t value = getValue(*((uint32_t*)bytecode)); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + + while (value == CURSOR_URI) { + lwc_string *str = *((lwc_string **)bytecode); + consumed += sizeof(lwc_string*); + bytecode = ((uint8_t*)bytecode) + sizeof(lwc_string*); + lwc_string_unref(str); + + consumed += sizeof(uint32_t); + value = *((uint32_t*)bytecode); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + } + + return consumed; +} + +css_error cascade_direction(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_DIRECTION_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case DIRECTION_LTR: + value = CSS_DIRECTION_LTR; + break; + case DIRECTION_RTL: + value = CSS_DIRECTION_RTL; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_direction(state->result, value); + } + + return CSS_OK; +} + +css_error set_direction_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_direction(style, hint->status); +} + +css_error initial_direction(css_select_state *state) +{ + return set_direction(state->result, CSS_DIRECTION_LTR); +} + +css_error compose_direction(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_direction(child); + + if (type == CSS_DIRECTION_INHERIT) { + type = get_direction(parent); + } + + return set_direction(result, type); +} + +uint32_t destroy_direction(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_display(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_DISPLAY_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case DISPLAY_INLINE: + value = CSS_DISPLAY_INLINE; + break; + case DISPLAY_BLOCK: + value = CSS_DISPLAY_BLOCK; + break; + case DISPLAY_LIST_ITEM: + value = CSS_DISPLAY_LIST_ITEM; + break; + case DISPLAY_RUN_IN: + value = CSS_DISPLAY_RUN_IN; + break; + case DISPLAY_INLINE_BLOCK: + value = CSS_DISPLAY_INLINE_BLOCK; + break; + case DISPLAY_TABLE: + value = CSS_DISPLAY_TABLE; + break; + case DISPLAY_INLINE_TABLE: + value = CSS_DISPLAY_INLINE_TABLE; + break; + case DISPLAY_TABLE_ROW_GROUP: + value = CSS_DISPLAY_TABLE_ROW_GROUP; + break; + case DISPLAY_TABLE_HEADER_GROUP: + value = CSS_DISPLAY_TABLE_HEADER_GROUP; + break; + case DISPLAY_TABLE_FOOTER_GROUP: + value = CSS_DISPLAY_TABLE_FOOTER_GROUP; + break; + case DISPLAY_TABLE_ROW: + value = CSS_DISPLAY_TABLE_ROW; + break; + case DISPLAY_TABLE_COLUMN_GROUP: + value = CSS_DISPLAY_TABLE_COLUMN_GROUP; + break; + case DISPLAY_TABLE_COLUMN: + value = CSS_DISPLAY_TABLE_COLUMN; + break; + case DISPLAY_TABLE_CELL: + value = CSS_DISPLAY_TABLE_CELL; + break; + case DISPLAY_TABLE_CAPTION: + value = CSS_DISPLAY_TABLE_CAPTION; + break; + case DISPLAY_NONE: + value = CSS_DISPLAY_NONE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_display(state->result, value); + } + + return CSS_OK; +} + +css_error set_display_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_display(style, hint->status); +} + +css_error initial_display(css_select_state *state) +{ + return set_display(state->result, CSS_DISPLAY_INLINE); +} + +css_error compose_display(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_display_static(child); + + if (type == CSS_DISPLAY_INHERIT) { + type = get_display_static(parent); + } + + return set_display(result, type); +} + +uint32_t destroy_display(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_elevation(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + css_fixed val = 0; + uint32_t unit = UNIT_DEG; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case ELEVATION_ANGLE: + value = 0; + + val = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(val)); + + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case ELEVATION_BELOW: + case ELEVATION_LEVEL: + case ELEVATION_ABOVE: + case ELEVATION_HIGHER: + case ELEVATION_LOWER: + /** \todo convert to public values */ + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo set computed elevation */ + } + + return CSS_OK; +} + +css_error set_elevation_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_elevation(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_elevation(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_elevation(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_empty_cells(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_EMPTY_CELLS_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case EMPTY_CELLS_SHOW: + value = CSS_EMPTY_CELLS_SHOW; + break; + case EMPTY_CELLS_HIDE: + value = CSS_EMPTY_CELLS_HIDE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_empty_cells(state->result, value); + } + + return CSS_OK; +} + +css_error set_empty_cells_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_empty_cells(style, hint->status); +} + +css_error initial_empty_cells(css_select_state *state) +{ + return set_empty_cells(state->result, CSS_EMPTY_CELLS_SHOW); +} + +css_error compose_empty_cells(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_empty_cells(child); + + if (type == CSS_EMPTY_CELLS_INHERIT) { + type = get_empty_cells(parent); + } + + return set_empty_cells(result, type); +} + +uint32_t destroy_empty_cells(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_float(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_FLOAT_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case FLOAT_LEFT: + value = CSS_FLOAT_LEFT; + break; + case FLOAT_RIGHT: + value = CSS_FLOAT_RIGHT; + break; + case FLOAT_NONE: + value = CSS_FLOAT_NONE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_float(state->result, value); + } + + return CSS_OK; +} + +css_error set_float_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_float(style, hint->status); +} + +css_error initial_float(css_select_state *state) +{ + return set_float(state->result, CSS_FLOAT_NONE); +} + +css_error compose_float(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_float(child); + + if (type == CSS_FLOAT_INHERIT) { + type = get_float(parent); + } + + return set_float(result, type); +} + +uint32_t destroy_float(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_font_family(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_FONT_FAMILY_INHERIT; + lwc_string **fonts = NULL; + uint32_t n_fonts = 0; + + if (isInherit(opv) == false) { + uint32_t v = getValue(opv); + + while (v != FONT_FAMILY_END) { + lwc_string *font = NULL; + lwc_string **temp; + + switch (v) { + case FONT_FAMILY_STRING: + case FONT_FAMILY_IDENT_LIST: + font = *((lwc_string **) + style->bytecode); + advance_bytecode(style, sizeof(font)); + break; + case FONT_FAMILY_SERIF: + if (value == CSS_FONT_FAMILY_INHERIT) + value = CSS_FONT_FAMILY_SERIF; + break; + case FONT_FAMILY_SANS_SERIF: + if (value == CSS_FONT_FAMILY_INHERIT) + value = CSS_FONT_FAMILY_SANS_SERIF; + break; + case FONT_FAMILY_CURSIVE: + if (value == CSS_FONT_FAMILY_INHERIT) + value = CSS_FONT_FAMILY_CURSIVE; + break; + case FONT_FAMILY_FANTASY: + if (value == CSS_FONT_FAMILY_INHERIT) + value = CSS_FONT_FAMILY_FANTASY; + break; + case FONT_FAMILY_MONOSPACE: + if (value == CSS_FONT_FAMILY_INHERIT) + value = CSS_FONT_FAMILY_MONOSPACE; + break; + } + + /* Only use family-names which occur before the first + * generic-family. Any values which occur after the + * first generic-family are ignored. */ + /** \todo Do this at bytecode generation time? */ + if (value == CSS_FONT_FAMILY_INHERIT && font != NULL) { + temp = state->result->alloc(fonts, + (n_fonts + 1) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + if (fonts != NULL) { + state->result->alloc(fonts, 0, + state->result->pw); + } + return CSS_NOMEM; + } + + fonts = temp; + + fonts[n_fonts] = font; + + n_fonts++; + } + + v = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(v)); + } + } + + /* Terminate array with blank entry, if needed */ + if (n_fonts > 0) { + lwc_string **temp; + + temp = state->result->alloc(fonts, + (n_fonts + 1) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + state->result->alloc(fonts, 0, state->result->pw); + return CSS_NOMEM; + } + + fonts = temp; + + fonts[n_fonts] = NULL; + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + css_error error; + + error = set_font_family(state->result, value, fonts); + if (error != CSS_OK && n_fonts > 0) + state->result->alloc(fonts, 0, state->result->pw); + + return error; + } else { + if (n_fonts > 0) + state->result->alloc(fonts, 0, state->result->pw); + } + + return CSS_OK; +} + +css_error set_font_family_from_hint(const css_hint *hint, + css_computed_style *style) +{ + lwc_string **item; + css_error error; + + error = set_font_family(style, hint->status, hint->data.strings); + + for (item = hint->data.strings; + item != NULL && (*item) != NULL; item++) { + lwc_string_unref(*item); + } + + if (error != CSS_OK && hint->data.strings != NULL) + style->alloc(hint->data.strings, 0, style->pw); + + return error; +} + +css_error initial_font_family(css_select_state *state) +{ + css_hint hint; + css_error error; + + error = state->handler->ua_default_for_property(state->pw, + CSS_PROP_FONT_FAMILY, &hint); + if (error != CSS_OK) + return error; + + return set_font_family_from_hint(&hint, state->result); +} + +css_error compose_font_family(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_error error; + lwc_string **urls = NULL; + uint8_t type = get_font_family(child, &urls); + + if (type == CSS_FONT_FAMILY_INHERIT || result != child) { + size_t n_urls = 0; + lwc_string **copy = NULL; + + if (type == CSS_FONT_FAMILY_INHERIT) + type = get_font_family(parent, &urls); + + if (urls != NULL) { + lwc_string **i; + + for (i = urls; (*i) != NULL; i++) + n_urls++; + + copy = result->alloc(NULL, (n_urls + 1) * + sizeof(lwc_string *), + result->pw); + if (copy == NULL) + return CSS_NOMEM; + + memcpy(copy, urls, (n_urls + 1) * + sizeof(lwc_string *)); + } + + error = set_font_family(result, type, copy); + if (error != CSS_OK && copy != NULL) + result->alloc(copy, 0, result->pw); + + return error; + } + + return CSS_OK; +} + +uint32_t destroy_font_family(void *bytecode) +{ + uint32_t consumed = sizeof(uint32_t); + uint32_t value = getValue(*((uint32_t*)bytecode)); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + + while (value != FONT_FAMILY_END) { + if (value == FONT_FAMILY_STRING || value == FONT_FAMILY_IDENT_LIST) { + lwc_string *str = *((lwc_string **)bytecode); + consumed += sizeof(lwc_string*); + bytecode = ((uint8_t*)bytecode) + sizeof(lwc_string*); + lwc_string_unref(str); + } + + consumed += sizeof(uint32_t); + value = *((uint32_t*)bytecode); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + } + + return consumed; +} + +css_error cascade_font_size(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_FONT_SIZE_INHERIT; + css_fixed size = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case FONT_SIZE_DIMENSION: + value = CSS_FONT_SIZE_DIMENSION; + + size = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(size)); + + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case FONT_SIZE_XX_SMALL: + value = CSS_FONT_SIZE_XX_SMALL; + break; + case FONT_SIZE_X_SMALL: + value = CSS_FONT_SIZE_X_SMALL; + break; + case FONT_SIZE_SMALL: + value = CSS_FONT_SIZE_SMALL; + break; + case FONT_SIZE_MEDIUM: + value = CSS_FONT_SIZE_MEDIUM; + break; + case FONT_SIZE_LARGE: + value = CSS_FONT_SIZE_LARGE; + break; + case FONT_SIZE_X_LARGE: + value = CSS_FONT_SIZE_X_LARGE; + break; + case FONT_SIZE_XX_LARGE: + value = CSS_FONT_SIZE_XX_LARGE; + break; + case FONT_SIZE_LARGER: + value = CSS_FONT_SIZE_LARGER; + break; + case FONT_SIZE_SMALLER: + value = CSS_FONT_SIZE_SMALLER; + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_font_size(state->result, value, size, unit); + } + + return CSS_OK; +} + +css_error set_font_size_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_font_size(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_font_size(css_select_state *state) +{ + return set_font_size(state->result, CSS_FONT_SIZE_MEDIUM, + 0, CSS_UNIT_PX); +} + +css_error compose_font_size(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed size = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_font_size(child, &size, &unit); + + if (type == CSS_FONT_SIZE_INHERIT) { + type = get_font_size(parent, &size, &unit); + } + + return set_font_size(result, type, size, unit); +} + +uint32_t destroy_font_size(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_font_style(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_FONT_STYLE_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case FONT_STYLE_NORMAL: + value = CSS_FONT_STYLE_NORMAL; + break; + case FONT_STYLE_ITALIC: + value = CSS_FONT_STYLE_ITALIC; + break; + case FONT_STYLE_OBLIQUE: + value = CSS_FONT_STYLE_OBLIQUE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_font_style(state->result, value); + } + + return CSS_OK; +} + +css_error set_font_style_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_font_style(style, hint->status); +} + +css_error initial_font_style(css_select_state *state) +{ + return set_font_style(state->result, CSS_FONT_STYLE_NORMAL); +} + +css_error compose_font_style(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_font_style(child); + + if (type == CSS_FONT_STYLE_INHERIT) { + type= get_font_style(parent); + } + + return set_font_style(result, type); +} + +uint32_t destroy_font_style(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_font_variant(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_FONT_VARIANT_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case FONT_VARIANT_NORMAL: + value = CSS_FONT_VARIANT_NORMAL; + break; + case FONT_VARIANT_SMALL_CAPS: + value = CSS_FONT_VARIANT_SMALL_CAPS; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_font_variant(state->result, value); + } + + return CSS_OK; +} + +css_error set_font_variant_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_font_variant(style, hint->status); +} + +css_error initial_font_variant(css_select_state *state) +{ + return set_font_variant(state->result, CSS_FONT_VARIANT_NORMAL); +} + +css_error compose_font_variant(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_font_variant(child); + + if (type == CSS_FONT_VARIANT_INHERIT) { + type = get_font_variant(parent); + } + + return set_font_variant(result, type); +} + +uint32_t destroy_font_variant(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_font_weight(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_FONT_WEIGHT_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case FONT_WEIGHT_NORMAL: + value = CSS_FONT_WEIGHT_NORMAL; + break; + case FONT_WEIGHT_BOLD: + value = CSS_FONT_WEIGHT_BOLD; + break; + case FONT_WEIGHT_BOLDER: + value = CSS_FONT_WEIGHT_BOLDER; + break; + case FONT_WEIGHT_LIGHTER: + value = CSS_FONT_WEIGHT_LIGHTER; + break; + case FONT_WEIGHT_100: + value = CSS_FONT_WEIGHT_100; + break; + case FONT_WEIGHT_200: + value = CSS_FONT_WEIGHT_200; + break; + case FONT_WEIGHT_300: + value = CSS_FONT_WEIGHT_300; + break; + case FONT_WEIGHT_400: + value = CSS_FONT_WEIGHT_400; + break; + case FONT_WEIGHT_500: + value = CSS_FONT_WEIGHT_500; + break; + case FONT_WEIGHT_600: + value = CSS_FONT_WEIGHT_600; + break; + case FONT_WEIGHT_700: + value = CSS_FONT_WEIGHT_700; + break; + case FONT_WEIGHT_800: + value = CSS_FONT_WEIGHT_800; + break; + case FONT_WEIGHT_900: + value = CSS_FONT_WEIGHT_900; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_font_weight(state->result, value); + } + + return CSS_OK; +} + +css_error set_font_weight_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_font_weight(style, hint->status); +} + +css_error initial_font_weight(css_select_state *state) +{ + return set_font_weight(state->result, CSS_FONT_WEIGHT_NORMAL); +} + +css_error compose_font_weight(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_font_weight(child); + + if (type == CSS_FONT_WEIGHT_INHERIT) { + type = get_font_weight(parent); + } + + return set_font_weight(result, type); +} + +uint32_t destroy_font_weight(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_height(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_height); +} + +css_error set_height_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_height(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_height(css_select_state *state) +{ + return set_height(state->result, CSS_HEIGHT_AUTO, 0, CSS_UNIT_PX); +} + +css_error compose_height(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_height(child, &length, &unit); + + if (type == CSS_HEIGHT_INHERIT) { + type = get_height(parent, &length, &unit); + } + + return set_height(result, type, length, unit); +} + +uint32_t destroy_height(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_left(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_left); +} + +css_error set_left_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_left(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_left(css_select_state *state) +{ + return set_left(state->result, CSS_LEFT_AUTO, 0, CSS_UNIT_PX); +} + +css_error compose_left(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_left(child, &length, &unit); + + if (type == CSS_LEFT_INHERIT) { + type = get_left(parent, &length, &unit); + } + + return set_left(result, type, length, unit); +} + +uint32_t destroy_left(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_letter_spacing(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_normal(opv, style, state, set_letter_spacing); +} + +css_error set_letter_spacing_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_letter_spacing(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_letter_spacing(css_select_state *state) +{ + return set_letter_spacing(state->result, CSS_LETTER_SPACING_NORMAL, + 0, CSS_UNIT_PX); +} + +css_error compose_letter_spacing(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_letter_spacing(child, &length, &unit); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_LETTER_SPACING_INHERIT || + (child->uncommon != NULL && result != child)) { + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_LETTER_SPACING_INHERIT) { + type = get_letter_spacing(parent, &length, &unit); + } + + return set_letter_spacing(result, type, length, unit); + } + + return CSS_OK; +} + +uint32_t destroy_letter_spacing(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_line_height(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_LINE_HEIGHT_INHERIT; + css_fixed val = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case LINE_HEIGHT_NUMBER: + value = CSS_LINE_HEIGHT_NUMBER; + val = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(val)); + break; + case LINE_HEIGHT_DIMENSION: + value = CSS_LINE_HEIGHT_DIMENSION; + val = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(val)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case LINE_HEIGHT_NORMAL: + value = CSS_LINE_HEIGHT_NORMAL; + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_line_height(state->result, value, val, unit); + } + + return CSS_OK; +} + +css_error set_line_height_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_line_height(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_line_height(css_select_state *state) +{ + return set_line_height(state->result, CSS_LINE_HEIGHT_NORMAL, + 0, CSS_UNIT_PX); +} + +css_error compose_line_height(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_line_height(child, &length, &unit); + + if (type == CSS_LINE_HEIGHT_INHERIT) { + type = get_line_height(parent, &length, &unit); + } + + return set_line_height(result, type, length, unit); +} + +uint32_t destroy_line_height(void *bytecode) +{ + uint32_t value = getValue(*((uint32_t*)bytecode)); + if (value == LINE_HEIGHT_NUMBER) + return generic_destroy_number(bytecode); + else + return generic_destroy_length(bytecode); +} + +css_error cascade_list_style_image(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_uri_none(opv, style, state, set_list_style_image); +} + +css_error set_list_style_image_from_hint(const css_hint *hint, + css_computed_style *style) +{ + css_error error; + + error = set_list_style_image(style, hint->status, hint->data.string); + + if (hint->data.string != NULL) + lwc_string_unref(hint->data.string); + + return error; +} + +css_error initial_list_style_image(css_select_state *state) +{ + return set_list_style_image(state->result, + CSS_LIST_STYLE_IMAGE_NONE, NULL); +} + +css_error compose_list_style_image(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + lwc_string *url; + uint8_t type = get_list_style_image(child, &url); + + if (type == CSS_LIST_STYLE_IMAGE_INHERIT) { + type = get_list_style_image(parent, &url); + } + + return set_list_style_image(result, type, url); +} + +uint32_t destroy_list_style_image(void *bytecode) +{ + return generic_destroy_uri(bytecode); +} + +css_error cascade_list_style_position(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_LIST_STYLE_POSITION_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case LIST_STYLE_POSITION_INSIDE: + value = CSS_LIST_STYLE_POSITION_INSIDE; + break; + case LIST_STYLE_POSITION_OUTSIDE: + value = CSS_LIST_STYLE_POSITION_OUTSIDE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_list_style_position(state->result, value); + } + + return CSS_OK; +} + +css_error set_list_style_position_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_list_style_position(style, hint->status); +} + +css_error initial_list_style_position(css_select_state *state) +{ + return set_list_style_position(state->result, + CSS_LIST_STYLE_POSITION_OUTSIDE); +} + +css_error compose_list_style_position(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_list_style_position(child); + + if (type == CSS_LIST_STYLE_POSITION_INHERIT) { + type = get_list_style_position(parent); + } + + return set_list_style_position(result, type); +} + +uint32_t destroy_list_style_position(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_list_style_type(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_LIST_STYLE_TYPE_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case LIST_STYLE_TYPE_DISC: + value = CSS_LIST_STYLE_TYPE_DISC; + break; + case LIST_STYLE_TYPE_CIRCLE: + value = CSS_LIST_STYLE_TYPE_CIRCLE; + break; + case LIST_STYLE_TYPE_SQUARE: + value = CSS_LIST_STYLE_TYPE_SQUARE; + break; + case LIST_STYLE_TYPE_DECIMAL: + value = CSS_LIST_STYLE_TYPE_DECIMAL; + break; + case LIST_STYLE_TYPE_DECIMAL_LEADING_ZERO: + value = CSS_LIST_STYLE_TYPE_DECIMAL_LEADING_ZERO; + break; + case LIST_STYLE_TYPE_LOWER_ROMAN: + value = CSS_LIST_STYLE_TYPE_LOWER_ROMAN; + break; + case LIST_STYLE_TYPE_UPPER_ROMAN: + value = CSS_LIST_STYLE_TYPE_UPPER_ROMAN; + break; + case LIST_STYLE_TYPE_LOWER_GREEK: + value = CSS_LIST_STYLE_TYPE_LOWER_GREEK; + break; + case LIST_STYLE_TYPE_LOWER_LATIN: + value = CSS_LIST_STYLE_TYPE_LOWER_LATIN; + break; + case LIST_STYLE_TYPE_UPPER_LATIN: + value = CSS_LIST_STYLE_TYPE_UPPER_LATIN; + break; + case LIST_STYLE_TYPE_ARMENIAN: + value = CSS_LIST_STYLE_TYPE_ARMENIAN; + break; + case LIST_STYLE_TYPE_GEORGIAN: + value = CSS_LIST_STYLE_TYPE_GEORGIAN; + break; + case LIST_STYLE_TYPE_LOWER_ALPHA: + value = CSS_LIST_STYLE_TYPE_LOWER_ALPHA; + break; + case LIST_STYLE_TYPE_UPPER_ALPHA: + value = CSS_LIST_STYLE_TYPE_UPPER_ALPHA; + break; + case LIST_STYLE_TYPE_NONE: + value = CSS_LIST_STYLE_TYPE_NONE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_list_style_type(state->result, value); + } + + return CSS_OK; +} + +css_error set_list_style_type_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_list_style_type(style, hint->status); +} + +css_error initial_list_style_type(css_select_state *state) +{ + return set_list_style_type(state->result, CSS_LIST_STYLE_TYPE_DISC); +} + +css_error compose_list_style_type(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_list_style_type(child); + + if (type == CSS_LIST_STYLE_TYPE_INHERIT) { + type = get_list_style_type(parent); + } + + return set_list_style_type(result, type); +} + +uint32_t destroy_list_style_type(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_margin_top(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_margin_top); +} + +css_error set_margin_top_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_margin_top(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_margin_top(css_select_state *state) +{ + return set_margin_top(state->result, CSS_MARGIN_SET, 0, CSS_UNIT_PX); +} + +css_error compose_margin_top(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_margin_top(child, &length, &unit); + + if (type == CSS_MARGIN_INHERIT) { + type = get_margin_top(parent, &length, &unit); + } + + return set_margin_top(result, type, length, unit); +} + +uint32_t destroy_margin_top(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_margin_right(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_margin_right); +} + +css_error set_margin_right_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_margin_right(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_margin_right(css_select_state *state) +{ + return set_margin_right(state->result, CSS_MARGIN_SET, 0, CSS_UNIT_PX); +} + +css_error compose_margin_right(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_margin_right(child, &length, &unit); + + if (type == CSS_MARGIN_INHERIT) { + type = get_margin_right(parent, &length, &unit); + } + + return set_margin_right(result, type, length, unit); +} + +uint32_t destroy_margin_right(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_margin_bottom(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_margin_bottom); +} + +css_error set_margin_bottom_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_margin_bottom(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_margin_bottom(css_select_state *state) +{ + return set_margin_bottom(state->result, CSS_MARGIN_SET, 0, CSS_UNIT_PX); +} + +css_error compose_margin_bottom(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_margin_bottom(child, &length, &unit); + + if (type == CSS_MARGIN_INHERIT) { + type = get_margin_bottom(parent, &length, &unit); + } + + return set_margin_bottom(result, type, length, unit); +} + +uint32_t destroy_margin_bottom(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_margin_left(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_margin_left); +} + +css_error set_margin_left_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_margin_left(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_margin_left(css_select_state *state) +{ + return set_margin_left(state->result, CSS_MARGIN_SET, 0, CSS_UNIT_PX); +} + +css_error compose_margin_left(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_margin_left(child, &length, &unit); + + if (type == CSS_MARGIN_INHERIT) { + type = get_margin_left(parent, &length, &unit); + } + + return set_margin_left(result, type, length, unit); +} + +uint32_t destroy_margin_left(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_max_height(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_none(opv, style, state, set_max_height); +} + +css_error set_max_height_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_max_height(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_max_height(css_select_state *state) +{ + return set_max_height(state->result, CSS_MAX_HEIGHT_NONE, + 0, CSS_UNIT_PX); +} + +css_error compose_max_height(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_max_height(child, &length, &unit); + + if (type == CSS_MAX_HEIGHT_INHERIT) { + type = get_max_height(parent, &length, &unit); + } + + return set_max_height(result, type, length, unit); +} + +uint32_t destroy_max_height(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_max_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_none(opv, style, state, set_max_width);; +} + +css_error set_max_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_max_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_max_width(css_select_state *state) +{ + return set_max_width(state->result, CSS_MAX_WIDTH_NONE, 0, CSS_UNIT_PX); +} + +css_error compose_max_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_max_width(child, &length, &unit); + + if (type == CSS_MAX_WIDTH_INHERIT) { + type = get_max_width(parent, &length, &unit); + } + + return set_max_width(result, type, length, unit); +} + +uint32_t destroy_max_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_min_height(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length(opv, style, state, set_min_height); +} + +css_error set_min_height_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_min_height(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_min_height(css_select_state *state) +{ + return set_min_height(state->result, CSS_MIN_HEIGHT_SET, + 0, CSS_UNIT_PX); +} + +css_error compose_min_height(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_min_height(child, &length, &unit); + + if (type == CSS_MIN_HEIGHT_INHERIT) { + type = get_min_height(parent, &length, &unit); + } + + return set_min_height(result, type, length, unit); +} + +uint32_t destroy_min_height(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_min_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length(opv, style, state, set_min_width); +} + +css_error set_min_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_min_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_min_width(css_select_state *state) +{ + return set_min_width(state->result, CSS_MIN_WIDTH_SET, 0, CSS_UNIT_PX); +} + +css_error compose_min_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_min_width(child, &length, &unit); + + if (type == CSS_MIN_WIDTH_INHERIT) { + type = get_min_width(parent, &length, &unit); + } + + return set_min_width(result, type, length, unit); +} + +uint32_t destroy_min_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_orphans(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo orphans */ + return cascade_number(opv, style, state, NULL); +} + +css_error set_orphans_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_orphans(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_orphans(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_orphans(void *bytecode) +{ + return generic_destroy_number(bytecode); +} + +css_error cascade_outline_color(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_OUTLINE_COLOR_INHERIT; + css_color color = 0; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case OUTLINE_COLOR_SET: + value = CSS_OUTLINE_COLOR_COLOR; + color = *((css_color *) style->bytecode); + advance_bytecode(style, sizeof(color)); + break; + case OUTLINE_COLOR_INVERT: + value = CSS_OUTLINE_COLOR_INVERT; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_outline_color(state->result, value, color); + } + + return CSS_OK; +} + +css_error set_outline_color_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_outline_color(style, hint->status, hint->data.color); +} + +css_error initial_outline_color(css_select_state *state) +{ + return set_outline_color(state->result, CSS_OUTLINE_COLOR_INVERT, 0); +} + +css_error compose_outline_color(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_color color = 0; + uint8_t type = get_outline_color(child, &color); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_OUTLINE_COLOR_INHERIT || + (child->uncommon != NULL && result != child)) { + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_OUTLINE_COLOR_INHERIT) { + type = get_outline_color(parent, &color); + } + + return set_outline_color(result, type, color); + } + + return CSS_OK; +} + +uint32_t destroy_outline_color(void *bytecode) +{ + return generic_destroy_color(bytecode); +} + +css_error cascade_outline_style(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_style(opv, style, state, set_outline_style); +} + +css_error set_outline_style_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_outline_style(style, hint->status); +} + +css_error initial_outline_style(css_select_state *state) +{ + return set_outline_style(state->result, CSS_OUTLINE_STYLE_NONE); +} + +css_error compose_outline_style(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_outline_style(child); + + if (type == CSS_OUTLINE_STYLE_INHERIT) { + type = get_outline_style(parent); + } + + return set_outline_style(result, type); +} + +uint32_t destroy_outline_style(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_outline_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_border_width(opv, style, state, set_outline_width); +} + +css_error set_outline_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_outline_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_outline_width(css_select_state *state) +{ + return set_outline_width(state->result, CSS_OUTLINE_WIDTH_MEDIUM, + 0, CSS_UNIT_PX); +} + +css_error compose_outline_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_outline_width(child, &length, &unit); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_OUTLINE_WIDTH_INHERIT || + (child->uncommon != NULL && result != child)) { + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_OUTLINE_WIDTH_INHERIT) { + type = get_outline_width(parent, &length, &unit); + } + + return set_outline_width(result, type, length, unit); + } + + return CSS_OK; +} + +uint32_t destroy_outline_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_overflow(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_OVERFLOW_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case OVERFLOW_VISIBLE: + value = CSS_OVERFLOW_VISIBLE; + break; + case OVERFLOW_HIDDEN: + value = CSS_OVERFLOW_HIDDEN; + break; + case OVERFLOW_SCROLL: + value = CSS_OVERFLOW_SCROLL; + break; + case OVERFLOW_AUTO: + value = CSS_OVERFLOW_AUTO; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_overflow(state->result, value); + } + + return CSS_OK; +} + +css_error set_overflow_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_overflow(style, hint->status); +} + +css_error initial_overflow(css_select_state *state) +{ + return set_overflow(state->result, CSS_OVERFLOW_VISIBLE); +} + +css_error compose_overflow(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_overflow(child); + + if (type == CSS_OVERFLOW_INHERIT) { + type = get_overflow(parent); + } + + return set_overflow(result, type); +} + +uint32_t destroy_overflow(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_padding_top(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length(opv, style, state, set_padding_top); +} + +css_error set_padding_top_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_padding_top(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_padding_top(css_select_state *state) +{ + return set_padding_top(state->result, CSS_PADDING_SET, 0, CSS_UNIT_PX); +} + +css_error compose_padding_top(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_padding_top(child, &length, &unit); + + if (type == CSS_PADDING_INHERIT) { + type = get_padding_top(parent, &length, &unit); + } + + return set_padding_top(result, type, length, unit); +} + +uint32_t destroy_padding_top(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_padding_right(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length(opv, style, state, set_padding_right); +} + +css_error set_padding_right_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_padding_right(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_padding_right(css_select_state *state) +{ + return set_padding_right(state->result, CSS_PADDING_SET, + 0, CSS_UNIT_PX); +} + +css_error compose_padding_right(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_padding_right(child, &length, &unit); + + if (type == CSS_PADDING_INHERIT) { + type = get_padding_right(parent, &length, &unit); + } + + return set_padding_right(result, type, length, unit); +} + +uint32_t destroy_padding_right(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_padding_bottom(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length(opv, style, state, set_padding_bottom); +} + +css_error set_padding_bottom_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_padding_bottom(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_padding_bottom(css_select_state *state) +{ + return set_padding_bottom(state->result, CSS_PADDING_SET, + 0, CSS_UNIT_PX); +} + +css_error compose_padding_bottom(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_padding_bottom(child, &length, &unit); + + if (type == CSS_PADDING_INHERIT) { + type = get_padding_bottom(parent, &length, &unit); + } + + return set_padding_bottom(result, type, length, unit); +} + +uint32_t destroy_padding_bottom(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_padding_left(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length(opv, style, state, set_padding_left); +} + +css_error set_padding_left_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_padding_left(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_padding_left(css_select_state *state) +{ + return set_padding_left(state->result, CSS_PADDING_SET, 0, CSS_UNIT_PX); +} + +css_error compose_padding_left(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_padding_left(child, &length, &unit); + + if (type == CSS_PADDING_INHERIT) { + type = get_padding_left(parent, &length, &unit); + } + + return set_padding_left(result, type, length, unit); +} + +uint32_t destroy_padding_left(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_page_break_after(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo page-break-after */ + return cascade_page_break_after_before(opv, style, state, NULL); +} + +css_error set_page_break_after_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_page_break_after(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_page_break_after(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_page_break_after(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_page_break_before(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo page-break-before */ + return cascade_page_break_after_before(opv, style, state, NULL); +} + +css_error set_page_break_before_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_page_break_before(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_page_break_before(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_page_break_before(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_page_break_inside(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case PAGE_BREAK_INSIDE_AUTO: + case PAGE_BREAK_INSIDE_AVOID: + /** \todo convert to public values */ + value = 0; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo page-break-inside */ + } + + return CSS_OK; +} + +css_error set_page_break_inside_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_page_break_inside(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_page_break_inside(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_page_break_inside(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_pause_after(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo pause-after */ + return cascade_length(opv, style, state, NULL); +} + +css_error set_pause_after_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_pause_after(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_pause_after(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_pause_after(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_pause_before(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo pause-before */ + return cascade_length(opv, style, state, NULL); +} + +css_error set_pause_before_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_pause_before(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_pause_before(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_pause_before(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_pitch_range(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo pitch-range */ + return cascade_number(opv, style, state, NULL); +} + +css_error set_pitch_range_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_pitch_range(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_pitch_range(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_pitch_range(void *bytecode) +{ + return generic_destroy_number(bytecode); +} + +css_error cascade_pitch(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + css_fixed freq = 0; + uint32_t unit = UNIT_HZ; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case PITCH_FREQUENCY: + value = 0; + + freq = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(freq)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case PITCH_X_LOW: + case PITCH_LOW: + case PITCH_MEDIUM: + case PITCH_HIGH: + case PITCH_X_HIGH: + /** \todo convert to public values */ + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo pitch */ + } + + return CSS_OK; +} + +css_error set_pitch_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_pitch(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_pitch(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_pitch(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_play_during(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + lwc_string *uri = NULL; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case PLAY_DURING_URI: + value = 0; + + uri = *((lwc_string **) style->bytecode); + advance_bytecode(style, sizeof(uri)); + break; + case PLAY_DURING_AUTO: + case PLAY_DURING_NONE: + /** \todo convert to public values */ + break; + } + + /** \todo mix & repeat */ + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo play-during */ + } + + return CSS_OK; +} + +css_error set_play_during_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_play_during(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_play_during(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_play_during(void *bytecode) +{ + return generic_destroy_uri(bytecode); +} + +css_error cascade_position(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_POSITION_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case POSITION_STATIC: + value = CSS_POSITION_STATIC; + break; + case POSITION_RELATIVE: + value = CSS_POSITION_RELATIVE; + break; + case POSITION_ABSOLUTE: + value = CSS_POSITION_ABSOLUTE; + break; + case POSITION_FIXED: + value = CSS_POSITION_FIXED; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_position(state->result, value); + } + + return CSS_OK; +} + +css_error set_position_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_position(style, hint->status); +} + +css_error initial_position(css_select_state *state) +{ + return set_position(state->result, CSS_POSITION_STATIC); +} + +css_error compose_position(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_position(child); + + if (type == CSS_POSITION_INHERIT) { + type = get_position(parent); + } + + return set_position(result, type); +} + +uint32_t destroy_position(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_quotes(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_QUOTES_INHERIT; + lwc_string **quotes = NULL; + uint32_t n_quotes = 0; + + if (isInherit(opv) == false) { + uint32_t v = getValue(opv); + + value = CSS_QUOTES_STRING; + + while (v != QUOTES_NONE) { + lwc_string *open, *close; + lwc_string **temp; + + open = *((lwc_string **) style->bytecode); + advance_bytecode(style, sizeof(lwc_string *)); + + close = *((lwc_string **) style->bytecode); + advance_bytecode(style, sizeof(lwc_string *)); + + temp = state->result->alloc(quotes, + (n_quotes + 2) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + if (quotes != NULL) { + state->result->alloc(quotes, 0, + state->result->pw); + } + return CSS_NOMEM; + } + + quotes = temp; + + quotes[n_quotes++] = open; + quotes[n_quotes++] = close; + + v = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(v)); + } + } + + /* Terminate array, if required */ + if (n_quotes > 0) { + lwc_string **temp; + + temp = state->result->alloc(quotes, + (n_quotes + 1) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + state->result->alloc(quotes, 0, state->result->pw); + return CSS_NOMEM; + } + + quotes = temp; + + quotes[n_quotes] = NULL; + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + css_error error; + + error = set_quotes(state->result, value, quotes); + if (error != CSS_OK && quotes != NULL) + state->result->alloc(quotes, 0, state->result->pw); + + return error; + } else { + if (quotes != NULL) + state->result->alloc(quotes, 0, state->result->pw); + } + + return CSS_OK; +} + +css_error set_quotes_from_hint(const css_hint *hint, + css_computed_style *style) +{ + lwc_string **item; + css_error error; + + error = set_quotes(style, hint->status, hint->data.strings); + + for (item = hint->data.strings; + item != NULL && (*item) != NULL; item++) { + lwc_string_unref(*item); + } + + if (error != CSS_OK && hint->data.strings != NULL) + style->alloc(hint->data.strings, 0, style->pw); + + return error; +} + +css_error initial_quotes(css_select_state *state) +{ + css_hint hint; + css_error error; + + error = state->handler->ua_default_for_property(state->pw, + CSS_PROP_QUOTES, &hint); + if (error != CSS_OK) + return error; + + return set_quotes_from_hint(&hint, state->result); +} + +css_error compose_quotes(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_error error; + lwc_string **quotes = NULL; + uint8_t type = get_quotes(child, "es); + + if (type == CSS_QUOTES_INHERIT || result != child) { + size_t n_quotes = 0; + lwc_string **copy = NULL; + + if (type == CSS_QUOTES_INHERIT) { + type = get_quotes(parent, "es); + } + + if (quotes != NULL) { + lwc_string **i; + + for (i = quotes; (*i) != NULL; i++) + n_quotes++; + + copy = result->alloc(NULL, (n_quotes + 1) * + sizeof(lwc_string *), + result->pw); + if (copy == NULL) + return CSS_NOMEM; + + memcpy(copy, quotes, (n_quotes + 1) * + sizeof(lwc_string *)); + } + + error = set_quotes(result, type, copy); + if (error != CSS_OK && copy != NULL) + result->alloc(copy, 0, result->pw); + + return error; + } + + return CSS_OK; +} + +uint32_t destroy_quotes(void *bytecode) +{ + uint32_t consumed = sizeof(uint32_t); + uint32_t value = getValue(*((uint32_t*)bytecode)); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + + while (value == QUOTES_STRING) { + lwc_string **str = ((lwc_string **)bytecode); + consumed += sizeof(lwc_string*) * 2; + bytecode = ((uint8_t*)bytecode) + (sizeof(lwc_string*) * 2); + lwc_string_unref(str[0]); + lwc_string_unref(str[1]); + + consumed += sizeof(uint32_t); + value = *((uint32_t*)bytecode); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + } + + return consumed; +} + +css_error cascade_richness(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo richness */ + return cascade_number(opv, style, state, NULL); +} + +css_error set_richness_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_richness(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_richness(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_richness(void *bytecode) +{ + return generic_destroy_number(bytecode); +} + +css_error cascade_right(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_right); +} + +css_error set_right_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_right(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_right(css_select_state *state) +{ + return set_right(state->result, CSS_RIGHT_AUTO, 0, CSS_UNIT_PX); +} + +css_error compose_right(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_right(child, &length, &unit); + + if (type == CSS_RIGHT_INHERIT) { + type = get_right(parent, &length, &unit); + } + + return set_right(result, type, length, unit); +} + +uint32_t destroy_right(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_speak_header(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case SPEAK_HEADER_ONCE: + case SPEAK_HEADER_ALWAYS: + /** \todo convert to public values */ + value = 0; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo speak-header */ + } + + return CSS_OK; +} + +css_error set_speak_header_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_speak_header(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_speak_header(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_speak_header(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_speak_numeral(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case SPEAK_NUMERAL_DIGITS: + case SPEAK_NUMERAL_CONTINUOUS: + /** \todo convert to public values */ + value = 0; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo speak-numeral */ + } + + return CSS_OK; +} + +css_error set_speak_numeral_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_speak_numeral(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_speak_numeral(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_speak_numeral(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_speak_punctuation( + uint32_t opv, css_style *style, css_select_state *state) +{ + uint16_t value = 0; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case SPEAK_PUNCTUATION_CODE: + case SPEAK_PUNCTUATION_NONE: + /** \todo convert to public values */ + value = 0; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo speak-punctuation */ + } + + return CSS_OK; +} + +css_error set_speak_punctuation_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_speak_punctuation(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_speak_punctuation(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_speak_punctuation(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_speak(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case SPEAK_NORMAL: + case SPEAK_NONE: + case SPEAK_SPELL_OUT: + /** \todo convert to public values */ + value = 0; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo speak */ + } + + return CSS_OK; +} + +css_error set_speak_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_speak(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_speak(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_speak(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_speech_rate(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + css_fixed rate = 0; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case SPEECH_RATE_SET: + value = 0; + + rate = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(rate)); + break; + case SPEECH_RATE_X_SLOW: + case SPEECH_RATE_SLOW: + case SPEECH_RATE_MEDIUM: + case SPEECH_RATE_FAST: + case SPEECH_RATE_X_FAST: + case SPEECH_RATE_FASTER: + case SPEECH_RATE_SLOWER: + /** \todo convert to public values */ + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo speech-rate */ + } + + return CSS_OK; +} + +css_error set_speech_rate_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_speech_rate(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_speech_rate(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_speech_rate(void *bytecode) +{ + return generic_destroy_number(bytecode); +} + +css_error cascade_stress(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo stress */ + return cascade_number(opv, style, state, NULL); +} + +css_error set_stress_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_stress(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_stress(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_stress(void *bytecode) +{ + return generic_destroy_number(bytecode); +} + +css_error cascade_table_layout(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_TABLE_LAYOUT_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case TABLE_LAYOUT_AUTO: + value = CSS_TABLE_LAYOUT_AUTO; + break; + case TABLE_LAYOUT_FIXED: + value = CSS_TABLE_LAYOUT_FIXED; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_table_layout(state->result, value); + } + + return CSS_OK; +} + +css_error set_table_layout_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_table_layout(style, hint->status); +} + +css_error initial_table_layout(css_select_state *state) +{ + return set_table_layout(state->result, CSS_TABLE_LAYOUT_AUTO); +} + +css_error compose_table_layout(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_table_layout(child); + + if (type == CSS_TABLE_LAYOUT_INHERIT) { + type = get_table_layout(parent); + } + + return set_table_layout(result, type); +} + +uint32_t destroy_table_layout(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_text_align(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_TEXT_ALIGN_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case TEXT_ALIGN_LEFT: + value = CSS_TEXT_ALIGN_LEFT; + break; + case TEXT_ALIGN_RIGHT: + value = CSS_TEXT_ALIGN_RIGHT; + break; + case TEXT_ALIGN_CENTER: + value = CSS_TEXT_ALIGN_CENTER; + break; + case TEXT_ALIGN_JUSTIFY: + value = CSS_TEXT_ALIGN_JUSTIFY; + break; + case TEXT_ALIGN_LIBCSS_LEFT: + value = CSS_TEXT_ALIGN_LIBCSS_LEFT; + break; + case TEXT_ALIGN_LIBCSS_CENTER: + value = CSS_TEXT_ALIGN_LIBCSS_CENTER; + break; + case TEXT_ALIGN_LIBCSS_RIGHT: + value = CSS_TEXT_ALIGN_LIBCSS_RIGHT; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_text_align(state->result, value); + } + + return CSS_OK; +} + +css_error set_text_align_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_text_align(style, hint->status); +} + +css_error initial_text_align(css_select_state *state) +{ + return set_text_align(state->result, CSS_TEXT_ALIGN_DEFAULT); +} + +css_error compose_text_align(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_text_align(child); + + if (type == CSS_TEXT_ALIGN_INHERIT) { + type = get_text_align(parent); + } else if (type == CSS_TEXT_ALIGN_INHERIT_IF_NON_MAGIC) { + /* This is purely for the benefit of HTML tables */ + type = get_text_align(parent); + + /* If the parent's text-align is a magical one, + * then reset to the default value. Otherwise, + * inherit as normal. */ + if (type == CSS_TEXT_ALIGN_LIBCSS_LEFT || + type == CSS_TEXT_ALIGN_LIBCSS_CENTER || + type == CSS_TEXT_ALIGN_LIBCSS_RIGHT) + type = CSS_TEXT_ALIGN_DEFAULT; + } + + return set_text_align(result, type); +} + +uint32_t destroy_text_align(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_text_decoration(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_TEXT_DECORATION_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + if (getValue(opv) == TEXT_DECORATION_NONE) { + value = CSS_TEXT_DECORATION_NONE; + } else { + assert(value == 0); + + if (getValue(opv) & TEXT_DECORATION_UNDERLINE) + value |= CSS_TEXT_DECORATION_UNDERLINE; + if (getValue(opv) & TEXT_DECORATION_OVERLINE) + value |= CSS_TEXT_DECORATION_OVERLINE; + if (getValue(opv) & TEXT_DECORATION_LINE_THROUGH) + value |= CSS_TEXT_DECORATION_LINE_THROUGH; + if (getValue(opv) & TEXT_DECORATION_BLINK) + value |= CSS_TEXT_DECORATION_BLINK; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_text_decoration(state->result, value); + } + + return CSS_OK; +} + +css_error set_text_decoration_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_text_decoration(style, hint->status); +} + +css_error initial_text_decoration(css_select_state *state) +{ + return set_text_decoration(state->result, CSS_TEXT_DECORATION_NONE); +} + +css_error compose_text_decoration(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_text_decoration(child); + + if (type == CSS_TEXT_DECORATION_INHERIT) { + type = get_text_decoration(parent); + } + + return set_text_decoration(result, type); +} + +uint32_t destroy_text_decoration(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_text_indent(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length(opv, style, state, set_text_indent); +} + +css_error set_text_indent_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_text_indent(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_text_indent(css_select_state *state) +{ + return set_text_indent(state->result, CSS_TEXT_INDENT_SET, + 0, CSS_UNIT_PX); +} + +css_error compose_text_indent(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_text_indent(child, &length, &unit); + + if (type == CSS_TEXT_INDENT_INHERIT) { + type = get_text_indent(parent, &length, &unit); + } + + return set_text_indent(result, type, length, unit); +} + +uint32_t destroy_text_indent(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_text_transform(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_TEXT_TRANSFORM_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case TEXT_TRANSFORM_CAPITALIZE: + value = CSS_TEXT_TRANSFORM_CAPITALIZE; + break; + case TEXT_TRANSFORM_UPPERCASE: + value = CSS_TEXT_TRANSFORM_UPPERCASE; + break; + case TEXT_TRANSFORM_LOWERCASE: + value = CSS_TEXT_TRANSFORM_LOWERCASE; + break; + case TEXT_TRANSFORM_NONE: + value = CSS_TEXT_TRANSFORM_NONE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_text_transform(state->result, value); + } + + return CSS_OK; +} + +css_error set_text_transform_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_text_transform(style, hint->status); +} + +css_error initial_text_transform(css_select_state *state) +{ + return set_text_transform(state->result, CSS_TEXT_TRANSFORM_NONE); +} + +css_error compose_text_transform(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_text_transform(child); + + if (type == CSS_TEXT_TRANSFORM_INHERIT) { + type = get_text_transform(parent); + } + + return set_text_transform(result, type); +} + +uint32_t destroy_text_transform(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_top(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_top); +} + +css_error set_top_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_top(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_top(css_select_state *state) +{ + return set_top(state->result, CSS_TOP_AUTO, 0, CSS_UNIT_PX); +} + +css_error compose_top(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_top(child, &length, &unit); + + if (type == CSS_TOP_INHERIT) { + type = get_top(parent, &length, &unit); + } + + return set_top(result, type, length, unit); +} + +uint32_t destroy_top(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_unicode_bidi(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_UNICODE_BIDI_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case UNICODE_BIDI_NORMAL: + value = CSS_UNICODE_BIDI_NORMAL; + break; + case UNICODE_BIDI_EMBED: + value = CSS_UNICODE_BIDI_EMBED; + break; + case UNICODE_BIDI_BIDI_OVERRIDE: + value = CSS_UNICODE_BIDI_BIDI_OVERRIDE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_unicode_bidi(state->result, value); + } + + return CSS_OK; +} + +css_error set_unicode_bidi_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_unicode_bidi(style, hint->status); +} + +css_error initial_unicode_bidi(css_select_state *state) +{ + return set_unicode_bidi(state->result, CSS_UNICODE_BIDI_NORMAL); +} + +css_error compose_unicode_bidi(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_unicode_bidi(child); + + if (type == CSS_UNICODE_BIDI_INHERIT) { + type = get_unicode_bidi(parent); + } + + return set_unicode_bidi(result, type); +} + +uint32_t destroy_unicode_bidi(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_vertical_align(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_VERTICAL_ALIGN_INHERIT; + css_fixed length = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case VERTICAL_ALIGN_SET: + value = CSS_VERTICAL_ALIGN_SET; + + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case VERTICAL_ALIGN_BASELINE: + value = CSS_VERTICAL_ALIGN_BASELINE; + break; + case VERTICAL_ALIGN_SUB: + value = CSS_VERTICAL_ALIGN_SUB; + break; + case VERTICAL_ALIGN_SUPER: + value = CSS_VERTICAL_ALIGN_SUPER; + break; + case VERTICAL_ALIGN_TOP: + value = CSS_VERTICAL_ALIGN_TOP; + break; + case VERTICAL_ALIGN_TEXT_TOP: + value = CSS_VERTICAL_ALIGN_TEXT_TOP; + break; + case VERTICAL_ALIGN_MIDDLE: + value = CSS_VERTICAL_ALIGN_MIDDLE; + break; + case VERTICAL_ALIGN_BOTTOM: + value = CSS_VERTICAL_ALIGN_BOTTOM; + break; + case VERTICAL_ALIGN_TEXT_BOTTOM: + value = CSS_VERTICAL_ALIGN_TEXT_BOTTOM; + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_vertical_align(state->result, value, length, unit); + } + + return CSS_OK; +} + +css_error set_vertical_align_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_vertical_align(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_vertical_align(css_select_state *state) +{ + return set_vertical_align(state->result, CSS_VERTICAL_ALIGN_BASELINE, + 0, CSS_UNIT_PX); +} + +css_error compose_vertical_align(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_vertical_align(child, &length, &unit); + + if (type == CSS_VERTICAL_ALIGN_INHERIT) { + type = get_vertical_align(parent, &length, &unit); + } + + return set_vertical_align(result, type, length, unit); +} + +uint32_t destroy_vertical_align(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_visibility(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_VISIBILITY_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case VISIBILITY_VISIBLE: + value = CSS_VISIBILITY_VISIBLE; + break; + case VISIBILITY_HIDDEN: + value = CSS_VISIBILITY_HIDDEN; + break; + case VISIBILITY_COLLAPSE: + value = CSS_VISIBILITY_COLLAPSE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_visibility(state->result, value); + } + + return CSS_OK; +} + +css_error set_visibility_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_visibility(style, hint->status); +} + +css_error initial_visibility(css_select_state *state) +{ + return set_visibility(state->result, CSS_VISIBILITY_VISIBLE); +} + +css_error compose_visibility(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_visibility(child); + + if (type == CSS_VISIBILITY_INHERIT) { + type = get_visibility(parent); + } + + return set_visibility(result, type); +} + +uint32_t destroy_visibility(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_voice_family(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + lwc_string **voices = NULL; + uint32_t n_voices = 0; + + if (isInherit(opv) == false) { + uint32_t v = getValue(opv); + + while (v != VOICE_FAMILY_END) { + lwc_string *voice = NULL; + lwc_string **temp; + + switch (v) { + case VOICE_FAMILY_STRING: + case VOICE_FAMILY_IDENT_LIST: + voice = *((lwc_string **) + style->bytecode); + advance_bytecode(style, sizeof(voice)); + break; + case VOICE_FAMILY_MALE: + if (value == 0) + value = 1; + break; + case VOICE_FAMILY_FEMALE: + if (value == 0) + value = 1; + break; + case VOICE_FAMILY_CHILD: + if (value == 0) + value = 1; + break; + } + + /* Only use family-names which occur before the first + * generic-family. Any values which occur after the + * first generic-family are ignored. */ + /** \todo Do this at bytecode generation time? */ + if (value == 0 && voice != NULL) { + temp = state->result->alloc(voices, + (n_voices + 1) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + if (voices != NULL) { + state->result->alloc(voices, 0, + state->result->pw); + } + return CSS_NOMEM; + } + + voices = temp; + + voices[n_voices] = voice; + + n_voices++; + } + + v = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(v)); + } + } + + /* Terminate array with blank entry, if needed */ + if (n_voices > 0) { + lwc_string **temp; + + temp = state->result->alloc(voices, + (n_voices + 1) * sizeof(lwc_string *), + state->result->pw); + if (temp == NULL) { + state->result->alloc(voices, 0, state->result->pw); + return CSS_NOMEM; + } + + voices = temp; + + voices[n_voices] = NULL; + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo voice-family */ + if (n_voices > 0) + state->result->alloc(voices, 0, state->result->pw); + } else { + if (n_voices > 0) + state->result->alloc(voices, 0, state->result->pw); + } + + return CSS_OK; +} + +css_error set_voice_family_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_voice_family(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_voice_family(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_voice_family(void *bytecode) +{ + uint32_t consumed = sizeof(uint32_t); + uint32_t value = getValue(*((uint32_t*)bytecode)); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + + while (value != VOICE_FAMILY_END) { + if (value == VOICE_FAMILY_STRING || value == VOICE_FAMILY_IDENT_LIST) { + lwc_string *str = *((lwc_string **)bytecode); + consumed += sizeof(lwc_string*); + bytecode = ((uint8_t*)bytecode) + sizeof(lwc_string*); + lwc_string_unref(str); + } + + consumed += sizeof(uint32_t); + value = *((uint32_t*)bytecode); + bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t); + } + + return consumed; +} + +css_error cascade_volume(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = 0; + css_fixed val = 0; + uint32_t unit = UNIT_PCT; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case VOLUME_NUMBER: + value = 0; + + val = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(val)); + break; + case VOLUME_DIMENSION: + value = 0; + + val = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(val)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case VOLUME_SILENT: + case VOLUME_X_SOFT: + case VOLUME_SOFT: + case VOLUME_MEDIUM: + case VOLUME_LOUD: + case VOLUME_X_LOUD: + /** \todo convert to public values */ + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + /** \todo volume */ + } + + return CSS_OK; +} + +css_error set_volume_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_volume(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_volume(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_volume(void *bytecode) +{ + uint32_t value = getValue(*((uint32_t*)bytecode)); + uint32_t additional = 0; + if (value == VOLUME_NUMBER) + additional = sizeof(css_fixed); + else if (value == VOLUME_DIMENSION) + additional = sizeof(css_fixed) + sizeof(uint32_t); + + return sizeof(uint32_t) + additional; +} + +css_error cascade_white_space(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_WHITE_SPACE_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case WHITE_SPACE_NORMAL: + value = CSS_WHITE_SPACE_NORMAL; + break; + case WHITE_SPACE_PRE: + value = CSS_WHITE_SPACE_PRE; + break; + case WHITE_SPACE_NOWRAP: + value = CSS_WHITE_SPACE_NOWRAP; + break; + case WHITE_SPACE_PRE_WRAP: + value = CSS_WHITE_SPACE_PRE_WRAP; + break; + case WHITE_SPACE_PRE_LINE: + value = CSS_WHITE_SPACE_PRE_LINE; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_white_space(state->result, value); + } + + return CSS_OK; +} + +css_error set_white_space_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_white_space(style, hint->status); +} + +css_error initial_white_space(css_select_state *state) +{ + return set_white_space(state->result, CSS_WHITE_SPACE_NORMAL); +} + +css_error compose_white_space(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t type = get_white_space(child); + + if (type == CSS_WHITE_SPACE_INHERIT) { + type = get_white_space(parent); + } + + return set_white_space(result, type); +} + +uint32_t destroy_white_space(void *bytecode) +{ + UNUSED(bytecode); + + return sizeof(uint32_t); +} + +css_error cascade_widows(uint32_t opv, css_style *style, + css_select_state *state) +{ + /** \todo widows */ + return cascade_number(opv, style, state, NULL); +} + +css_error set_widows_from_hint(const css_hint *hint, + css_computed_style *style) +{ + UNUSED(hint); + UNUSED(style); + + return CSS_OK; +} + +css_error initial_widows(css_select_state *state) +{ + UNUSED(state); + + return CSS_OK; +} + +css_error compose_widows(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + UNUSED(parent); + UNUSED(child); + UNUSED(result); + + return CSS_OK; +} + +uint32_t destroy_widows(void *bytecode) +{ + return generic_destroy_number(bytecode); +} + +css_error cascade_width(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_auto(opv, style, state, set_width); +} + +css_error set_width_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_width(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_width(css_select_state *state) +{ + return set_width(state->result, CSS_WIDTH_AUTO, 0, CSS_UNIT_PX); +} + +css_error compose_width(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_width(child, &length, &unit); + + if (type == CSS_WIDTH_INHERIT) { + type = get_width(parent, &length, &unit); + } + + return set_width(result, type, length, unit); +} + +uint32_t destroy_width(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_word_spacing(uint32_t opv, css_style *style, + css_select_state *state) +{ + return cascade_length_normal(opv, style, state, set_word_spacing); +} + +css_error set_word_spacing_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_word_spacing(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error initial_word_spacing(css_select_state *state) +{ + return set_word_spacing(state->result, CSS_WORD_SPACING_NORMAL, + 0, CSS_UNIT_PX); +} + +css_error compose_word_spacing(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed length = 0; + css_unit unit = CSS_UNIT_PX; + uint8_t type = get_word_spacing(child, &length, &unit); + + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_WORD_SPACING_INHERIT || + (child->uncommon != NULL && result != child)) { + if ((child->uncommon == NULL && parent->uncommon != NULL) || + type == CSS_WORD_SPACING_INHERIT) { + type = get_word_spacing(parent, &length, &unit); + } + + return set_word_spacing(result, type, length, unit); + } + + return CSS_OK; +} + +uint32_t destroy_word_spacing(void *bytecode) +{ + return generic_destroy_length(bytecode); +} + +css_error cascade_z_index(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_Z_INDEX_INHERIT; + css_fixed index = 0; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case Z_INDEX_SET: + value = CSS_Z_INDEX_SET; + + index = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(index)); + break; + case Z_INDEX_AUTO: + value = CSS_Z_INDEX_AUTO; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_z_index(state->result, value, index); + } + + return CSS_OK; +} + +css_error set_z_index_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_z_index(style, hint->status, hint->data.integer); +} + +css_error initial_z_index(css_select_state *state) +{ + return set_z_index(state->result, CSS_Z_INDEX_AUTO, 0); +} + +css_error compose_z_index(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + int32_t index = 0; + uint8_t type = get_z_index(child, &index); + + if (type == CSS_Z_INDEX_INHERIT) { + type = get_z_index(parent, &index); + } + + return set_z_index(result, type, index); +} + +uint32_t destroy_z_index(void *bytecode) +{ + return generic_destroy_number(bytecode); +} + +/****************************************************************************** + * Utilities below here * + ******************************************************************************/ +css_error cascade_bg_border_color(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_color)) +{ + uint16_t value = CSS_BACKGROUND_COLOR_INHERIT; + css_color color = 0; + + assert(CSS_BACKGROUND_COLOR_INHERIT == CSS_BORDER_COLOR_INHERIT); + assert(CSS_BACKGROUND_COLOR_TRANSPARENT == + CSS_BORDER_COLOR_TRANSPARENT); + assert(CSS_BACKGROUND_COLOR_COLOR == CSS_BORDER_COLOR_COLOR); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BACKGROUND_COLOR_TRANSPARENT: + value = CSS_BACKGROUND_COLOR_TRANSPARENT; + break; + case BACKGROUND_COLOR_SET: + value = CSS_BACKGROUND_COLOR_COLOR; + color = *((css_color *) style->bytecode); + advance_bytecode(style, sizeof(color)); + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return fun(state->result, value, color); + } + + return CSS_OK; +} + +css_error cascade_uri_none(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, + lwc_string *)) +{ + uint16_t value = CSS_BACKGROUND_IMAGE_INHERIT; + lwc_string *uri = NULL; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BACKGROUND_IMAGE_NONE: + value = CSS_BACKGROUND_IMAGE_NONE; + break; + case BACKGROUND_IMAGE_URI: + value = CSS_BACKGROUND_IMAGE_IMAGE; + uri = *((lwc_string **) style->bytecode); + advance_bytecode(style, sizeof(uri)); + break; + } + } + + /** \todo lose fun != NULL once all properties have set routines */ + if (fun != NULL && outranks_existing(getOpcode(opv), + isImportant(opv), state, isInherit(opv))) { + return fun(state->result, value, uri); + } + + return CSS_OK; +} + +css_error cascade_border_style(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t)) +{ + uint16_t value = CSS_BORDER_STYLE_INHERIT; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BORDER_STYLE_NONE: + value = CSS_BORDER_STYLE_NONE; + break; + case BORDER_STYLE_HIDDEN: + value = CSS_BORDER_STYLE_HIDDEN; + break; + case BORDER_STYLE_DOTTED: + value = CSS_BORDER_STYLE_DOTTED; + break; + case BORDER_STYLE_DASHED: + value = CSS_BORDER_STYLE_DASHED; + break; + case BORDER_STYLE_SOLID: + value = CSS_BORDER_STYLE_SOLID; + break; + case BORDER_STYLE_DOUBLE: + value = CSS_BORDER_STYLE_DOUBLE; + break; + case BORDER_STYLE_GROOVE: + value = CSS_BORDER_STYLE_GROOVE; + break; + case BORDER_STYLE_RIDGE: + value = CSS_BORDER_STYLE_RIDGE; + break; + case BORDER_STYLE_INSET: + value = CSS_BORDER_STYLE_INSET; + break; + case BORDER_STYLE_OUTSET: + value = CSS_BORDER_STYLE_OUTSET; + break; + } + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return fun(state->result, value); + } + + return CSS_OK; +} + +css_error cascade_border_width(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)) +{ + uint16_t value = CSS_BORDER_WIDTH_INHERIT; + css_fixed length = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BORDER_WIDTH_SET: + value = CSS_BORDER_WIDTH_WIDTH; + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case BORDER_WIDTH_THIN: + value = CSS_BORDER_WIDTH_THIN; + break; + case BORDER_WIDTH_MEDIUM: + value = CSS_BORDER_WIDTH_MEDIUM; + break; + case BORDER_WIDTH_THICK: + value = CSS_BORDER_WIDTH_THICK; + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return fun(state->result, value, length, unit); + } + + return CSS_OK; +} + +css_error cascade_length_auto(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)) +{ + uint16_t value = CSS_BOTTOM_INHERIT; + css_fixed length = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case BOTTOM_SET: + value = CSS_BOTTOM_SET; + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case BOTTOM_AUTO: + value = CSS_BOTTOM_AUTO; + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return fun(state->result, value, length, unit); + } + + return CSS_OK; +} + +css_error cascade_length_normal(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)) +{ + uint16_t value = CSS_LETTER_SPACING_INHERIT; + css_fixed length = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case LETTER_SPACING_SET: + value = CSS_LETTER_SPACING_SET; + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case LETTER_SPACING_NORMAL: + value = CSS_LETTER_SPACING_NORMAL; + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return fun(state->result, value, length, unit); + } + + return CSS_OK; +} + +css_error cascade_length_none(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)) +{ + uint16_t value = CSS_MAX_HEIGHT_INHERIT; + css_fixed length = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case MAX_HEIGHT_SET: + value = CSS_MAX_HEIGHT_SET; + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + case MAX_HEIGHT_NONE: + value = CSS_MAX_HEIGHT_NONE; + break; + } + } + + unit = to_css_unit(unit); + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return fun(state->result, value, length, unit); + } + + return CSS_OK; +} + +css_error cascade_length(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed, + css_unit)) +{ + uint16_t value = CSS_MIN_HEIGHT_INHERIT; + css_fixed length = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + value = CSS_MIN_HEIGHT_SET; + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + } + + unit = to_css_unit(unit); + + /** \todo lose fun != NULL once all properties have set routines */ + if (fun != NULL && outranks_existing(getOpcode(opv), + isImportant(opv), state, isInherit(opv))) { + return fun(state->result, value, length, unit); + } + + return CSS_OK; +} + +css_error cascade_number(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, css_fixed)) +{ + uint16_t value = 0; + css_fixed length = 0; + + /** \todo values */ + + if (isInherit(opv) == false) { + value = 0; + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + } + + /** \todo lose fun != NULL once all properties have set routines */ + if (fun != NULL && outranks_existing(getOpcode(opv), + isImportant(opv), state, isInherit(opv))) { + return fun(state->result, value, length); + } + + return CSS_OK; +} + +css_error cascade_page_break_after_before(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t)) +{ + uint16_t value = 0; + + UNUSED(style); + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case PAGE_BREAK_AFTER_AUTO: + case PAGE_BREAK_AFTER_ALWAYS: + case PAGE_BREAK_AFTER_AVOID: + case PAGE_BREAK_AFTER_LEFT: + case PAGE_BREAK_AFTER_RIGHT: + /** \todo convert to public values */ + break; + } + } + + /** \todo lose fun != NULL */ + if (fun != NULL && outranks_existing(getOpcode(opv), + isImportant(opv), state, isInherit(opv))) { + return fun(state->result, value); + } + + return CSS_OK; +} + +css_error cascade_counter_increment_reset(uint32_t opv, css_style *style, + css_select_state *state, + css_error (*fun)(css_computed_style *, uint8_t, + css_computed_counter *)) +{ + uint16_t value = CSS_COUNTER_INCREMENT_INHERIT; + css_computed_counter *counters = NULL; + uint32_t n_counters = 0; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case COUNTER_INCREMENT_NAMED: + { + uint32_t v = getValue(opv); + + while (v != COUNTER_INCREMENT_NONE) { + css_computed_counter *temp; + lwc_string *name; + css_fixed val = 0; + + name = *((lwc_string **) + style->bytecode); + advance_bytecode(style, sizeof(name)); + + val = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(val)); + + temp = state->result->alloc(counters, + (n_counters + 1) * + sizeof(css_computed_counter), + state->result->pw); + if (temp == NULL) { + if (counters != NULL) { + state->result->alloc(counters, + 0, state->result->pw); + } + return CSS_NOMEM; + } + + counters = temp; + + counters[n_counters].name = name; + counters[n_counters].value = val; + + n_counters++; + + v = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(v)); + } + } + break; + case COUNTER_INCREMENT_NONE: + value = CSS_COUNTER_INCREMENT_NONE; + break; + } + } + + /* If we have some counters, terminate the array with a blank entry */ + if (n_counters > 0) { + css_computed_counter *temp; + + temp = state->result->alloc(counters, + (n_counters + 1) * sizeof(css_computed_counter), + state->result->pw); + if (temp == NULL) { + state->result->alloc(counters, 0, state->result->pw); + return CSS_NOMEM; + } + + counters = temp; + + counters[n_counters].name = NULL; + counters[n_counters].value = 0; + } + + if (outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + css_error error; + + error = fun(state->result, value, counters); + if (error != CSS_OK && n_counters > 0) + state->result->alloc(counters, 0, state->result->pw); + + return error; + } else if (n_counters > 0) { + state->result->alloc(counters, 0, state->result->pw); + } + + return CSS_OK; +} + |