diff options
Diffstat (limited to 'css')
| -rw-r--r-- | css/css.c | 6 | ||||
| -rw-r--r-- | css/hints.c | 1905 |
2 files changed, 788 insertions, 1123 deletions
@@ -31,6 +31,7 @@ #include "utils/messages.h" #include "css/css.h" +#include "css/hints.h" #include "css/internal.h" /* Define to trace import fetches */ @@ -806,6 +807,7 @@ static void nscss_fini(void) css_stylesheet_destroy(blank_import); blank_import = NULL; } + css_hint_fini(); } static const content_handler css_content_handler = { @@ -832,6 +834,10 @@ nserror nscss_init(void) if (error != NSERROR_OK) goto error; + error = css_hint_init(); + if (error != NSERROR_OK) + goto error; + return NSERROR_OK; error: diff --git a/css/hints.c b/css/hints.c index a3242c689..c4d1c2910 100644 --- a/css/hints.c +++ b/css/hints.c @@ -579,1323 +579,906 @@ static bool parse_font_size(const char *size, uint8_t *val, /****************************************************************************** + * Hint context management * + ******************************************************************************/ + +#define MAX_HINTS_PER_ELEMENT 32 + +struct css_hint_ctx { + struct css_hint *hints; + uint32_t len; +}; + +struct css_hint_ctx hint_ctx; + +nserror css_hint_init(void) +{ + hint_ctx.hints = malloc(sizeof(struct css_hint) * + MAX_HINTS_PER_ELEMENT); + if (hint_ctx.hints == NULL) { + return NSERROR_NOMEM; + } + + return NSERROR_OK; +} + +void css_hint_fini(void) +{ + hint_ctx.len = 0; + free(hint_ctx.hints); +} + +static void css_hint_clean(void) +{ + hint_ctx.len = 0; +} + +static inline struct css_hint * css_hint_advance(struct css_hint *hint) +{ + hint_ctx.len++; + assert(hint_ctx.len < MAX_HINTS_PER_ELEMENT); + + return ++hint; +} + +static void css_hint_get_hints(struct css_hint **hints, uint32_t *nhints) +{ + *hints = hint_ctx.hints; + *nhints = hint_ctx.len; +} + + +/****************************************************************************** * Presentational hint handlers * ******************************************************************************/ -static css_error node_presentational_hint_vertical_align( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_table_cell_border_padding( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *name; - dom_string *valign = NULL; - dom_exception err; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + css_qname qs; + dom_string *attr = NULL; + dom_node *tablenode = NULL; + dom_exception exc; + + qs.ns = NULL; + qs.name = lwc_string_ref(corestring_lwc_table); + if (named_ancestor_node(ctx, node, &qs, + (void *)&tablenode) != CSS_OK) { + /* Didn't find, or had error */ + lwc_string_unref(qs.name); + return; + } + lwc_string_unref(qs.name); + + if (tablenode == NULL) { + return; + } + /* No need to unref tablenode, named_ancestor_node does not + * return a reffed node to the CSS + */ + + exc = dom_element_get_attribute(tablenode, + corestring_dom_border, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + uint32_t hint_prop; + css_hint_length hint_length; + + if (parse_dimension( + dom_string_data(attr), false, + &hint_length.value, + &hint_length.unit) && + INTTOFIX(0) != hint_length.value) { + + for (hint_prop = CSS_PROP_BORDER_TOP_STYLE; + hint_prop <= CSS_PROP_BORDER_LEFT_STYLE; + hint_prop++) { + hint->prop = hint_prop; + hint->status = CSS_BORDER_STYLE_INSET; + hint = css_hint_advance(hint); + } + + for (hint_prop = CSS_PROP_BORDER_TOP_WIDTH; + hint_prop <= CSS_PROP_BORDER_LEFT_WIDTH; + hint_prop++) { + hint->prop = hint_prop; + hint->data.length.value = INTTOFIX(1); + hint->data.length.unit = CSS_UNIT_PX; + hint->status = CSS_BORDER_WIDTH_WIDTH; + hint = css_hint_advance(hint); + } + } + dom_string_unref(attr); + } + + exc = dom_element_get_attribute(tablenode, + corestring_dom_bordercolor, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + uint32_t hint_prop; + css_color hint_color; + + if (nscss_parse_colour( + (const char *)dom_string_data(attr), + &hint_color)) { + + for (hint_prop = CSS_PROP_BORDER_TOP_COLOR; + hint_prop <= CSS_PROP_BORDER_LEFT_COLOR; + hint_prop++) { + hint->prop = hint_prop; + hint->data.color = hint_color; + hint->status = CSS_BORDER_COLOR_COLOR; + hint = css_hint_advance(hint); + } + } + dom_string_unref(attr); + } + + exc = dom_element_get_attribute(tablenode, + corestring_dom_cellpadding, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + uint32_t hint_prop; + css_hint_length hint_length; - err = dom_node_get_node_name(node, &name); - if (err != DOM_NO_ERR) - return CSS_PROPERTY_NOT_SET; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_col) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_thead) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_tbody) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_tfoot) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_tr) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_th)) { - err = dom_element_get_attribute(node, - corestring_dom_valign, &valign); - if (err != DOM_NO_ERR || valign == NULL) { - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; + if (parse_dimension( + dom_string_data(attr), false, + &hint_length.value, + &hint_length.unit)) { + + for (hint_prop = CSS_PROP_PADDING_TOP; + hint_prop <= CSS_PROP_PADDING_LEFT; + hint_prop++) { + hint->prop = hint_prop; + hint->data.length.value = hint_length.value; + hint->data.length.unit = hint_length.unit; + hint->status = CSS_PADDING_SET; + hint = css_hint_advance(hint); + } } + dom_string_unref(attr); + } +} + +static void css_hint_vertical_align_table_cells( + nscss_select_ctx *ctx, + dom_node *node) +{ + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr = NULL; + dom_exception err; + + err = dom_element_get_attribute(node, + corestring_dom_valign, &attr); - if (dom_string_caseless_lwc_isequal(valign, + if (err == DOM_NO_ERR && attr != NULL) { + if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_top)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_TOP; - } else if (dom_string_caseless_lwc_isequal(valign, + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_middle)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_MIDDLE; - } else if (dom_string_caseless_lwc_isequal(valign, + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_bottom)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_BOTTOM; - } else if (dom_string_caseless_lwc_isequal(valign, + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_baseline)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_BASELINE; - } else { - dom_string_unref(valign); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; + hint = css_hint_advance(hint); } + dom_string_unref(attr); + } +} - dom_string_unref(valign); - dom_string_unref(name); - - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_applet) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_embed) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_iframe) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_img) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_object)) { - /** \todo input[type=image][align=*] - $11.3.3 */ - err = dom_element_get_attribute(node, - corestring_dom_align, &valign); - if (err != DOM_NO_ERR || valign == NULL) { - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; - } +static void css_hint_vertical_align_replaced( + nscss_select_ctx *ctx, + dom_node *node) +{ + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr = NULL; + dom_exception err; + + err = dom_element_get_attribute(node, + corestring_dom_valign, &attr); - if (dom_string_caseless_lwc_isequal(valign, + if (err == DOM_NO_ERR && attr != NULL) { + if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_top)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_TOP; - } else if (dom_string_caseless_lwc_isequal(valign, + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_bottom) || - dom_string_caseless_lwc_isequal(valign, + dom_string_caseless_lwc_isequal(attr, corestring_lwc_baseline)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_BASELINE; - } else if (dom_string_caseless_lwc_isequal(valign, + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_texttop)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_TEXT_TOP; - } else if (dom_string_caseless_lwc_isequal(valign, + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_absmiddle) || - dom_string_caseless_lwc_isequal(valign, + dom_string_caseless_lwc_isequal(attr, corestring_lwc_abscenter)) { + hint->prop = CSS_PROP_VERTICAL_ALIGN; hint->status = CSS_VERTICAL_ALIGN_MIDDLE; - } else { - dom_string_unref(valign); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; + hint = css_hint_advance(hint); } - - dom_string_unref(valign); - dom_string_unref(name); - - return CSS_OK; + dom_string_unref(attr); } - - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_text_align( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_text_align_normal( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *name; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; dom_string *align = NULL; dom_exception err; - err = dom_node_get_node_name(node, &name); - if (err != DOM_NO_ERR) - return CSS_PROPERTY_NOT_SET; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_p) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_h1) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_h2) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_h3) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_h4) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_h5) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_h6)) { - err = dom_element_get_attribute(node, - corestring_dom_align, &align); - if (err != DOM_NO_ERR || align == NULL) { - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; - } - + err = dom_element_get_attribute(node, + corestring_dom_align, &align); + if (err == DOM_NO_ERR && align != NULL) { if (dom_string_caseless_lwc_isequal(align, corestring_lwc_left)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_LEFT; + hint = css_hint_advance(hint); + } else if (dom_string_caseless_lwc_isequal(align, corestring_lwc_center)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_CENTER; + hint = css_hint_advance(hint); + } else if (dom_string_caseless_lwc_isequal(align, corestring_lwc_right)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_RIGHT; + hint = css_hint_advance(hint); + } else if (dom_string_caseless_lwc_isequal(align, corestring_lwc_justify)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_JUSTIFY; - } else { - dom_string_unref(align); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; + hint = css_hint_advance(hint); } - dom_string_unref(align); - dom_string_unref(name); + } +} - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_center)) { - hint->status = CSS_TEXT_ALIGN_LIBCSS_CENTER; - - dom_string_unref(name); - - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_caption)) { - err = dom_element_get_attribute(node, - corestring_dom_align, &align); - if (err != DOM_NO_ERR) { - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; - } +static void css_hint_text_align_center( + nscss_select_ctx *ctx, + dom_node *node) +{ + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; - if (align == NULL || dom_string_caseless_lwc_isequal(align, - corestring_lwc_center)) { - hint->status = CSS_TEXT_ALIGN_LIBCSS_CENTER; - } else if (dom_string_caseless_lwc_isequal(align, - corestring_lwc_left)) { - hint->status = CSS_TEXT_ALIGN_LIBCSS_LEFT; - } else if (dom_string_caseless_lwc_isequal(align, - corestring_lwc_right)) { - hint->status = CSS_TEXT_ALIGN_LIBCSS_RIGHT; - } else if (dom_string_caseless_lwc_isequal(align, - corestring_lwc_justify)) { - hint->status = CSS_TEXT_ALIGN_JUSTIFY; - } else { - dom_string_unref(align); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; - } + hint->prop = CSS_PROP_TEXT_ALIGN; + hint->status = CSS_TEXT_ALIGN_LIBCSS_CENTER; + hint = css_hint_advance(hint); +} + +static void css_hint_margin_left_right_align_center( + nscss_select_ctx *ctx, + dom_node *node) +{ + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr; + dom_exception exc; + + exc = dom_element_get_attribute(node, + corestring_dom_align, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + if (dom_string_caseless_lwc_isequal(attr, + corestring_lwc_center) || + dom_string_caseless_lwc_isequal(attr, + corestring_lwc_abscenter) || + dom_string_caseless_lwc_isequal(attr, + corestring_lwc_middle) || + dom_string_caseless_lwc_isequal(attr, + corestring_lwc_absmiddle)) { + hint->prop = CSS_PROP_MARGIN_LEFT; + hint->status = CSS_MARGIN_AUTO; + hint = css_hint_advance(hint); - if (align != NULL) - dom_string_unref(align); - dom_string_unref(name); - - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_div) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_thead) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_tbody) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_tfoot) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_tr) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, - corestring_lwc_th)) { - err = dom_element_get_attribute(node, - corestring_dom_align, &align); - if (err != DOM_NO_ERR || align == NULL) { - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; + hint->prop = CSS_PROP_MARGIN_RIGHT; + hint->status = CSS_MARGIN_AUTO; + hint = css_hint_advance(hint); } + dom_string_unref(attr); + } +} +static void css_hint_text_align_special( + nscss_select_ctx *ctx, + dom_node *node) +{ + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *align = NULL; + dom_exception err; + + err = dom_element_get_attribute(node, + corestring_dom_align, &align); + + if (err == DOM_NO_ERR && align != NULL) { if (dom_string_caseless_lwc_isequal(align, - corestring_lwc_center)) { + corestring_lwc_center)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_LIBCSS_CENTER; + hint = css_hint_advance(hint); + } else if (dom_string_caseless_lwc_isequal(align, corestring_lwc_left)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_LIBCSS_LEFT; + hint = css_hint_advance(hint); + } else if (dom_string_caseless_lwc_isequal(align, corestring_lwc_right)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_LIBCSS_RIGHT; + hint = css_hint_advance(hint); + } else if (dom_string_caseless_lwc_isequal(align, corestring_lwc_justify)) { + hint->prop = CSS_PROP_TEXT_ALIGN; hint->status = CSS_TEXT_ALIGN_JUSTIFY; - } else { - dom_string_unref(align); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; + hint = css_hint_advance(hint); } - dom_string_unref(align); - dom_string_unref(name); - - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_table)) { - /* Tables usually reset alignment */ - hint->status = CSS_TEXT_ALIGN_INHERIT_IF_NON_MAGIC; - - dom_string_unref(name); - - return CSS_OK; - } else { - dom_string_unref(name); - - return CSS_PROPERTY_NOT_SET; } +} + +static void css_hint_text_align_table_special( + nscss_select_ctx *ctx, + dom_node *node) +{ + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + hint->prop = CSS_PROP_TEXT_ALIGN; + hint->status = CSS_TEXT_ALIGN_INHERIT_IF_NON_MAGIC; + hint = css_hint_advance(hint); } -static css_error node_presentational_hint_padding_trbl( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_margin_hspace_vspace( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *name; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr = NULL; dom_exception exc; - css_error result = CSS_PROPERTY_NOT_SET; - - exc = dom_node_get_node_name(node, &name); - if (exc != DOM_NO_ERR) - return CSS_BADPARM; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_th)) { - css_qname qs; - dom_node *tablenode = NULL; - dom_string *cellpadding = NULL; - - qs.ns = NULL; - qs.name = lwc_string_ref(corestring_lwc_table); - if (named_ancestor_node(ctx, node, &qs, - (void *)&tablenode) != CSS_OK) { - /* Didn't find, or had error */ - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; - } - - lwc_string_unref(qs.name); - - if (tablenode != NULL) { - exc = dom_element_get_attribute(tablenode, - corestring_dom_cellpadding, - &cellpadding); - if (exc != DOM_NO_ERR) { - dom_string_unref(name); - return CSS_BADPARM; - } - } - /* No need to unref tablenode, named_ancestor_node does not - * return a reffed node to the CSS - */ - - if (cellpadding != NULL) { - if (parse_dimension(dom_string_data(cellpadding), false, - &hint->data.length.value, - &hint->data.length.unit)) { - hint->status = CSS_PADDING_SET; - result = CSS_OK; - } - dom_string_unref(cellpadding); + + exc = dom_element_get_attribute(node, + corestring_dom_vspace, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + css_hint_length hint_length; + if (parse_dimension( + dom_string_data(attr), false, + &hint_length.value, + &hint_length.unit)) { + hint->prop = CSS_PROP_MARGIN_TOP; + hint->data.length.value = hint_length.value; + hint->data.length.unit = hint_length.unit; + hint->status = CSS_MARGIN_SET; + hint = css_hint_advance(hint); + + hint->prop = CSS_PROP_MARGIN_BOTTOM; + hint->data.length.value = hint_length.value; + hint->data.length.unit = hint_length.unit; + hint->status = CSS_MARGIN_SET; + hint = css_hint_advance(hint); } + dom_string_unref(attr); } - - dom_string_unref(name); - return result; + exc = dom_element_get_attribute(node, + corestring_dom_hspace, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + css_hint_length hint_length; + if (parse_dimension( + dom_string_data(attr), false, + &hint_length.value, + &hint_length.unit)) { + hint->prop = CSS_PROP_MARGIN_LEFT; + hint->data.length.value = hint_length.value; + hint->data.length.unit = hint_length.unit; + hint->status = CSS_MARGIN_SET; + hint = css_hint_advance(hint); + + hint->prop = CSS_PROP_MARGIN_RIGHT; + hint->data.length.value = hint_length.value; + hint->data.length.unit = hint_length.unit; + hint->status = CSS_MARGIN_SET; + hint = css_hint_advance(hint); + } + dom_string_unref(attr); + } } -static css_error node_presentational_hint_margin_rl( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint, - uint32_t property) +static void css_hint_margin_left_right_hr( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *n; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr; dom_exception exc; - - exc = dom_node_get_node_name(node, &n); - if (exc != DOM_NO_ERR) - return CSS_BADPARM; - - if (dom_string_caseless_lwc_isequal(n, corestring_lwc_img) || - dom_string_caseless_lwc_isequal(n, corestring_lwc_applet)) { - dom_string_unref(n); - exc = dom_element_get_attribute(node, - corestring_dom_hspace, &n); - if (exc != DOM_NO_ERR) { - return CSS_BADPARM; - } - - if (n == NULL) - return CSS_PROPERTY_NOT_SET; - - if (parse_dimension(dom_string_data(n), false, - &hint->data.length.value, - &hint->data.length.unit)) { + + exc = dom_element_get_attribute(node, + corestring_dom_align, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + if (dom_string_caseless_lwc_isequal(attr, + corestring_lwc_left)) { + hint->prop = CSS_PROP_MARGIN_LEFT; + hint->data.length.value = 0; + hint->data.length.unit = CSS_UNIT_PX; hint->status = CSS_MARGIN_SET; - } else { - dom_string_unref(n); - return CSS_PROPERTY_NOT_SET; - } - dom_string_unref(n); - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(n, corestring_lwc_table) || - dom_string_caseless_lwc_isequal(n, corestring_lwc_align)) { - dom_string_unref(n); - exc = dom_element_get_attribute(node, - corestring_dom_align, &n); - if (exc != DOM_NO_ERR) { - return CSS_BADPARM; - } - - if (n == NULL) - return CSS_PROPERTY_NOT_SET; - - if (dom_string_caseless_lwc_isequal(n, - corestring_lwc_center) || - dom_string_caseless_lwc_isequal(n, - corestring_lwc_abscenter) || - dom_string_caseless_lwc_isequal(n, - corestring_lwc_middle) || - dom_string_caseless_lwc_isequal(n, - corestring_lwc_absmiddle)) { + hint = css_hint_advance(hint); + + hint->prop = CSS_PROP_MARGIN_RIGHT; hint->status = CSS_MARGIN_AUTO; - } else { - dom_string_unref(n); - return CSS_PROPERTY_NOT_SET; - } - - dom_string_unref(n); - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(n, corestring_lwc_hr)) { - dom_string_unref(n); - exc = dom_element_get_attribute(node, - corestring_dom_align, &n); - if (exc != DOM_NO_ERR) - return CSS_BADPARM; - - if (n == NULL) - return CSS_PROPERTY_NOT_SET; - - if (dom_string_caseless_lwc_isequal(n, - corestring_lwc_left)) { - if (property == CSS_PROP_MARGIN_LEFT) { - hint->data.length.value = 0; - hint->data.length.unit = CSS_UNIT_PX; - hint->status = CSS_MARGIN_SET; - } else { - hint->status = CSS_MARGIN_AUTO; - } - } else if (dom_string_caseless_lwc_isequal(n, + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_center)) { + hint->prop = CSS_PROP_MARGIN_LEFT; hint->status = CSS_MARGIN_AUTO; - } else if (dom_string_caseless_lwc_isequal(n, + hint = css_hint_advance(hint); + + hint->prop = CSS_PROP_MARGIN_RIGHT; + hint->status = CSS_MARGIN_AUTO; + hint = css_hint_advance(hint); + + } else if (dom_string_caseless_lwc_isequal(attr, corestring_lwc_right)) { - if (property == CSS_PROP_MARGIN_RIGHT) { - hint->data.length.value = 0; - hint->data.length.unit = CSS_UNIT_PX; - hint->status = CSS_MARGIN_SET; - } else { - hint->status = CSS_MARGIN_AUTO; - } - } else { - dom_string_unref(n); - return CSS_PROPERTY_NOT_SET; + hint->prop = CSS_PROP_MARGIN_LEFT; + hint->status = CSS_MARGIN_AUTO; + hint = css_hint_advance(hint); + + hint->prop = CSS_PROP_MARGIN_RIGHT; + hint->data.length.value = 0; + hint->data.length.unit = CSS_UNIT_PX; + hint->status = CSS_MARGIN_SET; + hint = css_hint_advance(hint); } - dom_string_unref(n); - - return CSS_OK; + dom_string_unref(attr); } - - dom_string_unref(n); - - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_margin_tb( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_table_spacing_border( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *name, *vspace = NULL; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; dom_exception exc; - - exc = dom_node_get_node_name(node, &name); - if (exc != DOM_NO_ERR) - return CSS_BADPARM; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_img) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_applet)) { - exc = dom_element_get_attribute(node, corestring_dom_vspace, - &vspace); - if (exc != DOM_NO_ERR) { - dom_string_unref(name); - return CSS_BADPARM; - } - } - - dom_string_unref(name); - - if (vspace == NULL) - return CSS_PROPERTY_NOT_SET; - - if (parse_dimension(dom_string_data(vspace), false, - &hint->data.length.value, - &hint->data.length.unit)) { - hint->status = CSS_MARGIN_SET; - } else { - dom_string_unref(vspace); - return CSS_PROPERTY_NOT_SET; - } + dom_string *attr = NULL; - dom_string_unref(vspace); + exc = dom_element_get_attribute(node, corestring_dom_border, &attr); - return CSS_OK; -} + if (exc == DOM_NO_ERR && attr != NULL) { + uint32_t hint_prop; + css_hint_length hint_length; -static css_error node_presentational_hint_border_trbl_width( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) -{ - dom_string *name; - dom_exception exc; - dom_string *width = NULL; - bool is_table_cell = false; - - exc = dom_node_get_node_name(node, &name); - if (exc != DOM_NO_ERR) - return CSS_BADPARM; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_th)) { - css_qname qs; - dom_node *tablenode = NULL; - qs.ns = NULL; - qs.name = lwc_string_ref(corestring_lwc_table); - if (named_ancestor_node(ctx, node, &qs, - (void *)&tablenode) != CSS_OK) { - /* Didn't find, or had error */ - lwc_string_unref(qs.name); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; + for (hint_prop = CSS_PROP_BORDER_TOP_STYLE; + hint_prop <= CSS_PROP_BORDER_LEFT_STYLE; + hint_prop++) { + hint->prop = hint_prop; + hint->status = CSS_BORDER_STYLE_OUTSET; + hint = css_hint_advance(hint); } - - lwc_string_unref(qs.name); - if (tablenode != NULL) { - exc = dom_element_get_attribute(tablenode, - corestring_dom_border, &width); - if (exc != DOM_NO_ERR) { - dom_string_unref(name); - return CSS_BADPARM; + + if (parse_dimension( + dom_string_data(attr), false, + &hint_length.value, + &hint_length.unit)) { + + for (hint_prop = CSS_PROP_BORDER_TOP_WIDTH; + hint_prop <= CSS_PROP_BORDER_LEFT_WIDTH; + hint_prop++) { + hint->prop = hint_prop; + hint->data.length.value = hint_length.value; + hint->data.length.unit = hint_length.unit; + hint->status = CSS_BORDER_WIDTH_WIDTH; + hint = css_hint_advance(hint); } } - /* No need to unref tablenode, named_ancestor_node does not - * return a reffed node to the CSS - */ - is_table_cell = true; - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_table)) { - exc = dom_element_get_attribute(node, corestring_dom_border, - &width); - if (exc != DOM_NO_ERR) { - dom_string_unref(name); - return CSS_BADPARM; - } + dom_string_unref(attr); } - - dom_string_unref(name); - - if (width == NULL) - return CSS_PROPERTY_NOT_SET; - - if (parse_dimension(dom_string_data(width), false, - &hint->data.length.value, - &hint->data.length.unit)) { - if (is_table_cell && - INTTOFIX(0) != - hint->data.length.value) { - hint->data.length.value = INTTOFIX(1); - hint->data.length.unit = CSS_UNIT_PX; - } - hint->status = CSS_BORDER_WIDTH_WIDTH; - } else { - dom_string_unref(width); - return CSS_PROPERTY_NOT_SET; - } - - dom_string_unref(width); - - return CSS_OK; -} - -static css_error node_presentational_hint_border_trbl_style( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) -{ - dom_string *name; - dom_exception exc; - exc = dom_node_get_node_name(node, &name); - if (exc != DOM_NO_ERR) - return CSS_BADPARM; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_th)) { - css_qname qs; - dom_node *tablenode = NULL; - qs.ns = NULL; - qs.name = lwc_string_ref(corestring_lwc_table); - - if (named_ancestor_node(ctx, node, &qs, - (void *)&tablenode) != CSS_OK) { - /* Didn't find, or had error */ - lwc_string_unref(qs.name); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; - } - - lwc_string_unref(qs.name); + exc = dom_element_get_attribute(node, + corestring_dom_bordercolor, &attr); - if (tablenode != NULL) { - bool has_border = false; + if (exc == DOM_NO_ERR && attr != NULL) { + uint32_t hint_prop; + css_color hint_color; - exc = dom_element_has_attribute(tablenode, - corestring_dom_border, - &has_border); - if (exc != DOM_NO_ERR) { - dom_string_unref(name); - return CSS_BADPARM; - } + if (nscss_parse_colour( + (const char *)dom_string_data(attr), + &hint_color)) { - if (has_border) { - hint->status = CSS_BORDER_STYLE_INSET; - dom_string_unref(name); - return CSS_OK; + for (hint_prop = CSS_PROP_BORDER_TOP_COLOR; + hint_prop <= CSS_PROP_BORDER_LEFT_COLOR; + hint_prop++) { + hint->prop = hint_prop; + hint->data.color = hint_color; + hint->status = CSS_BORDER_COLOR_COLOR; + hint = css_hint_advance(hint); } } - /* No need to unref tablenode, named_ancestor_node does not - * return a reffed node to the CSS - */ - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_table)) { - bool has_border = false; - - exc = dom_element_has_attribute(node, - corestring_dom_border, - &has_border); - if (exc != DOM_NO_ERR) { - dom_string_unref(name); - return CSS_BADPARM; - } + dom_string_unref(attr); + } - if (has_border) { - hint->status = CSS_BORDER_STYLE_OUTSET; - dom_string_unref(name); - return CSS_OK; + exc = dom_element_get_attribute(node, + corestring_dom_cellspacing, &attr); + + if (exc == DOM_NO_ERR && attr != NULL) { + if (parse_dimension( + (const char *)dom_string_data(attr), false, + &hint->data.position.h.value, + &hint->data.position.h.unit)) { + hint->prop = CSS_PROP_BORDER_SPACING; + hint->data.position.v = hint->data.position.h; + hint->status = CSS_BORDER_SPACING_SET; + hint = css_hint_advance(hint); } + dom_string_unref(attr); } - - dom_string_unref(name); - - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_border_trbl_color( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_height( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *name; - dom_string *bordercolor = NULL; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr = NULL; dom_exception err; - err = dom_node_get_node_name(node, &name); - if (err != DOM_NO_ERR) - return CSS_PROPERTY_NOT_SET; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_th)) { - css_qname qs; - dom_node *tablenode = NULL; - qs.ns = NULL; - qs.name = lwc_string_ref(corestring_lwc_table); - - if (named_ancestor_node(ctx, node, &qs, - (void *)&tablenode) != CSS_OK) { - /* Didn't find, or had error */ - lwc_string_unref(qs.name); - dom_string_unref(name); - return CSS_PROPERTY_NOT_SET; - } - - lwc_string_unref(qs.name); - - if (tablenode != NULL) { - err = dom_element_get_attribute(node, - corestring_dom_bordercolor, - &bordercolor); + err = dom_element_get_attribute(node, + corestring_dom_height, &attr); + + if (err == DOM_NO_ERR && attr != NULL) { + if (parse_dimension( + (const char *)dom_string_data(attr), false, + &hint->data.length.value, + &hint->data.length.unit)) { + hint->prop = CSS_PROP_HEIGHT; + hint->status = CSS_HEIGHT_SET; + hint = css_hint_advance(hint); } - /* No need to unref tablenode, named_ancestor_node does not - * return a reffed node to the CSS - */ - - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_table)) { - err = dom_element_get_attribute(node, - corestring_dom_bordercolor, - &bordercolor); - } - - dom_string_unref(name); - - if ((err != DOM_NO_ERR) || (bordercolor == NULL)) { - return CSS_PROPERTY_NOT_SET; + dom_string_unref(attr); } - - if (nscss_parse_colour((const char *)dom_string_data(bordercolor), - &hint->data.color)) { - hint->status = CSS_BORDER_COLOR_COLOR; - dom_string_unref(bordercolor); - return CSS_OK; - } - - dom_string_unref(bordercolor); - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_border_spacing( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_width( + nscss_select_ctx *ctx, + dom_node *node) { + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr = NULL; dom_exception err; - dom_string *node_name = NULL; - dom_string *cellspacing = NULL; - - err = dom_node_get_node_name(node, &node_name); - if ((err != DOM_NO_ERR) || (node_name == NULL)) { - return CSS_PROPERTY_NOT_SET; - } - - if (!dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_table)) { - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; - } - - dom_string_unref(node_name); err = dom_element_get_attribute(node, - corestring_dom_cellspacing, &cellspacing); - if ((err != DOM_NO_ERR) || (cellspacing == NULL)) { - return CSS_PROPERTY_NOT_SET; - } - - - if (parse_dimension((const char *)dom_string_data(cellspacing), - false, - &hint->data.position.h.value, - &hint->data.position.h.unit)) { - - hint->data.position.v = hint->data.position.h; - hint->status = CSS_BORDER_SPACING_SET; - - dom_string_unref(cellspacing); - return CSS_OK; + corestring_dom_width, &attr); + + if (err == DOM_NO_ERR && attr != NULL) { + if (parse_dimension( + (const char *)dom_string_data(attr), false, + &hint->data.length.value, + &hint->data.length.unit)) { + hint->prop = CSS_PROP_WIDTH; + hint->status = CSS_WIDTH_SET; + hint = css_hint_advance(hint); + } + dom_string_unref(attr); } - - dom_string_unref(cellspacing); - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_width( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_height_width_textarea( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *name; - dom_string *width = NULL; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_string *attr = NULL; dom_exception err; - bool textarea = false; - bool input = false; - - err = dom_node_get_node_name(node, &name); - if (err != DOM_NO_ERR) - return CSS_PROPERTY_NOT_SET; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_hr) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_iframe) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_img) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_object) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_table) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_th) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_applet)) { - err = dom_element_get_attribute(node, - corestring_dom_width, &width); - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_textarea)) { - textarea = true; - err = dom_element_get_attribute(node, - corestring_dom_cols, &width); - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_input)) { - input = true; - err = dom_element_get_attribute(node, - corestring_dom_size, &width); - } - - dom_string_unref(name); - if ((err != DOM_NO_ERR) || (width == NULL)) { - return CSS_PROPERTY_NOT_SET; + err = dom_element_get_attribute(node, + corestring_dom_rows, &attr); + + if (err == DOM_NO_ERR && attr != NULL) { + if (parse_dimension( + (const char *)dom_string_data(attr), false, + &hint->data.length.value, + &hint->data.length.unit)) { + hint->prop = CSS_PROP_HEIGHT; + hint->data.length.unit = CSS_UNIT_EM; + hint->status = CSS_HEIGHT_SET; + hint = css_hint_advance(hint); + } + dom_string_unref(attr); } - if (parse_dimension((const char *)dom_string_data(width), - false, - &hint->data.length.value, - &hint->data.length.unit)) { - hint->status = CSS_WIDTH_SET; - dom_string_unref(width); - - if (textarea) { + err = dom_element_get_attribute(node, + corestring_dom_cols, &attr); + + if (err == DOM_NO_ERR && attr != NULL) { + if (parse_dimension( + (const char *)dom_string_data(attr), false, + &hint->data.length.value, + &hint->data.length.unit)) { + hint->prop = CSS_PROP_WIDTH; hint->data.length.unit = CSS_UNIT_EX; + hint->status = CSS_WIDTH_SET; + hint = css_hint_advance(hint); } - - if (input) { - err = dom_element_get_attribute(node, - corestring_dom_type, &width); - if (err != DOM_NO_ERR) { - return CSS_PROPERTY_NOT_SET; - } - - if ((width == NULL) || - dom_string_caseless_lwc_isequal(width, - corestring_lwc_text) || - dom_string_caseless_lwc_isequal(width, - corestring_lwc_search) || - dom_string_caseless_lwc_isequal(width, - corestring_lwc_file) || - dom_string_caseless_lwc_isequal(width, - corestring_lwc_password)) { - hint->data.length.unit = CSS_UNIT_EX; - } - dom_string_unref(width); - } - - return CSS_OK; + dom_string_unref(attr); } - - dom_string_unref(width); - return CSS_PROPERTY_NOT_SET; - } -static css_error node_presentational_hint_height(nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_width_input( + nscss_select_ctx *ctx, + dom_node *node) { - dom_string *name; - dom_string *height = NULL; + struct css_hint *hint = &(hint_ctx.hints[hint_ctx.len]); + dom_string *attr = NULL; dom_exception err; - bool textarea = false; - - err = dom_node_get_node_name(node, &name); - if (err != DOM_NO_ERR) - return CSS_PROPERTY_NOT_SET; - - if (dom_string_caseless_lwc_isequal(name, corestring_lwc_iframe) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_td) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_th) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_tr) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_img) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_object) || - dom_string_caseless_lwc_isequal(name, corestring_lwc_applet)) { - err = dom_element_get_attribute(node, - corestring_dom_height, &height); - } else if (dom_string_caseless_lwc_isequal(name, - corestring_lwc_textarea)) { - textarea = true; - err = dom_element_get_attribute(node, - corestring_dom_rows, &height); - } - dom_string_unref(name); - - if ((err != DOM_NO_ERR) || (height == NULL)) { - return CSS_PROPERTY_NOT_SET; - } + err = dom_element_get_attribute(node, + corestring_dom_size, &attr); - if (parse_dimension((const char *)dom_string_data(height), - false, - &hint->data.length.value, - &hint->data.length.unit)) { - hint->status = CSS_HEIGHT_SET; + if (err == DOM_NO_ERR && attr != NULL) { + if (parse_dimension( + (const char *)dom_string_data(attr), false, + &hint->data.length.value, + &hint->data.length.unit)) { + dom_string *attr2 = NULL; - if (textarea) { - hint->data.length.unit = CSS_UNIT_EM; + err = dom_element_get_attribute(node, + corestring_dom_type, &attr2); + if (err == DOM_NO_ERR) { + + hint->prop = CSS_PROP_WIDTH; + hint->status = CSS_WIDTH_SET; + + if (attr2 == NULL || + dom_string_caseless_lwc_isequal( + attr2, + corestring_lwc_text) || + dom_string_caseless_lwc_isequal( + attr2, + corestring_lwc_search) || + dom_string_caseless_lwc_isequal( + attr2, + corestring_lwc_password) || + dom_string_caseless_lwc_isequal( + attr2, + corestring_lwc_file)) { + hint->data.length.unit = CSS_UNIT_EX; + } + if (attr2 != NULL) { + dom_string_unref(attr2); + } + hint = css_hint_advance(hint); + } } - - dom_string_unref(height); - return CSS_OK; + dom_string_unref(attr); } - - dom_string_unref(height); - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_font_size( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_anchor_color( + nscss_select_ctx *ctx, + dom_node *node) { + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + css_error error; dom_exception err; - dom_string *node_name = NULL; - dom_string *size; + dom_string *color; + dom_node *bodynode = NULL; + + /* find body node */ + css_qname qs; + bool is_visited; - err = dom_node_get_node_name(node, &node_name); - if ((err != DOM_NO_ERR) || (node_name == NULL)) { - return CSS_NOMEM; + qs.ns = NULL; + qs.name = lwc_string_ref(corestring_lwc_body); + if (named_ancestor_node(ctx, node, &qs, + (void *)&bodynode) != CSS_OK) { + /* Didn't find, or had error */ + lwc_string_unref(qs.name); + return ; } + lwc_string_unref(qs.name); - if (!dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_font)) { - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; + if (bodynode == NULL) { + return; } - dom_string_unref(node_name); + error = node_is_visited(ctx, node, &is_visited); + if (error != CSS_OK) + return; - err = dom_element_get_attribute(node, corestring_dom_size, &size); - if ((err != DOM_NO_ERR) || (size == NULL)) { - return CSS_PROPERTY_NOT_SET; + if (is_visited) { + err = dom_element_get_attribute(bodynode, + corestring_dom_vlink, &color); + } else { + err = dom_element_get_attribute(bodynode, + corestring_dom_link, &color); } - if (parse_font_size((const char *)dom_string_data(size), - &hint->status, - &hint->data.length.value, - &hint->data.length.unit)) { - dom_string_unref(size); - return CSS_OK; + if (err == DOM_NO_ERR && color != NULL) { + if (nscss_parse_colour( + (const char *)dom_string_data(color), + &hint->data.color)) { + hint->prop = CSS_PROP_COLOR; + hint->status = CSS_COLOR_COLOR; + hint = css_hint_advance(hint); + } + dom_string_unref(color); } - - dom_string_unref(size); - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_float( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_color( + nscss_select_ctx *ctx, + dom_node *node) { + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; dom_exception err; - dom_string *node_name = NULL; - dom_string *align; - - err = dom_node_get_node_name(node, &node_name); - if ((err != DOM_NO_ERR) || (node_name == NULL)) { - return CSS_NOMEM; - } - - /** \todo input[type=image][align=*] - $11.3.3 */ - if (!dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_table) && - !dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_applet) && - !dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_embed) && - !dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_iframe) && - !dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_img) && - !dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_object)) { - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; - } - - dom_string_unref(node_name); + dom_string *color; - err = dom_element_get_attribute(node, corestring_dom_align, &align); - if ((err != DOM_NO_ERR) || (align == NULL)) { - return CSS_PROPERTY_NOT_SET; - } + err = dom_element_get_attribute(node, corestring_dom_color, &color); - if (dom_string_caseless_lwc_isequal(align, - corestring_lwc_left)) { - hint->status = CSS_FLOAT_LEFT; - dom_string_unref(align); - return CSS_OK; - } else if (dom_string_caseless_lwc_isequal(align, - corestring_lwc_right)) { - hint->status = CSS_FLOAT_RIGHT; - dom_string_unref(align); - return CSS_OK; + if (err == DOM_NO_ERR && color != NULL) { + if (nscss_parse_colour( + (const char *)dom_string_data(color), + &hint->data.color)) { + hint->prop = CSS_PROP_COLOR; + hint->status = CSS_COLOR_COLOR; + hint = css_hint_advance(hint); + } + dom_string_unref(color); } - - dom_string_unref(align); - - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_color( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_font_size( + nscss_select_ctx *ctx, + dom_node *node) { - css_error error; + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; dom_exception err; - dom_string *node_name = NULL; - dom_string *color; - - err = dom_node_get_node_name(node, &node_name); - if ((err != DOM_NO_ERR) || (node_name == NULL)) { - return CSS_NOMEM; - } + dom_string *size; - if (dom_string_caseless_lwc_isequal(node_name, corestring_lwc_a)) { - /* find body node */ - css_qname qs; - dom_node *bodynode = NULL; - bool is_visited; - - qs.ns = NULL; - qs.name = lwc_string_ref(corestring_lwc_body); - if (named_ancestor_node(ctx, node, &qs, - (void *)&bodynode) != CSS_OK) { - /* Didn't find, or had error */ - lwc_string_unref(qs.name); - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; + err = dom_element_get_attribute(node, corestring_dom_size, &size); + if (err == DOM_NO_ERR && size != NULL) { + if (parse_font_size( + (const char *)dom_string_data(size), + &hint->status, + &hint->data.length.value, + &hint->data.length.unit)) { + hint->prop = CSS_PROP_FONT_SIZE; + hint = css_hint_advance(hint); } - - lwc_string_unref(qs.name); + dom_string_unref(size); + } +} - /* deal with missing body ancestor */ - if (bodynode == NULL) { - dom_string_unref(node_name); - return CSS_BADPARM; - } +static void css_hint_float( + nscss_select_ctx *ctx, + dom_node *node) +{ + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; + dom_exception err; + dom_string *align; - error = node_is_visited(ctx, node, &is_visited); - if (error != CSS_OK) - return error; + err = dom_element_get_attribute(node, corestring_dom_align, &align); + if (err == DOM_NO_ERR && align != NULL) { + if (dom_string_caseless_lwc_isequal(align, + corestring_lwc_left)) { + hint->prop = CSS_PROP_FLOAT; + hint->status = CSS_FLOAT_LEFT; + hint = css_hint_advance(hint); - if (is_visited) { - err = dom_element_get_attribute(bodynode, - corestring_dom_vlink, &color); - if ((err != DOM_NO_ERR) || (color == NULL)) { - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; - } - } else { - err = dom_element_get_attribute(bodynode, - corestring_dom_link, &color); - if ((err != DOM_NO_ERR) || (color == NULL)) { - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; - } - } - } else { - err = dom_element_get_attribute(node, - corestring_dom_color, &color); - if ((err != DOM_NO_ERR) || (color == NULL)) { - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; + } else if (dom_string_caseless_lwc_isequal(align, + corestring_lwc_right)) { + hint->prop = CSS_PROP_FLOAT; + hint->status = CSS_FLOAT_RIGHT; + hint = css_hint_advance(hint); } + dom_string_unref(align); } - - if (!nscss_parse_colour((const char *)dom_string_data(color), - &hint->data.color)) { - dom_string_unref(color); - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; - } - - hint->status = CSS_COLOR_COLOR; - - dom_string_unref(color); - dom_string_unref(node_name); - - return CSS_OK; } -static css_error node_presentational_hint_caption_side( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_caption_side( + nscss_select_ctx *ctx, + dom_node *node) { + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; dom_exception err; - dom_string *node_name = NULL; dom_string *align = NULL; - err = dom_node_get_node_name(node, &node_name); - if ((err != DOM_NO_ERR) || (node_name == NULL)) { - return CSS_PROPERTY_NOT_SET; - } - - if (!dom_string_caseless_lwc_isequal(node_name, - corestring_lwc_caption)) { - dom_string_unref(node_name); - return CSS_PROPERTY_NOT_SET; - } - - dom_string_unref(node_name); - err = dom_element_get_attribute(node, corestring_dom_align, &align); - if ((err != DOM_NO_ERR) || (align == NULL)) { - return CSS_PROPERTY_NOT_SET; - } - - if (dom_string_caseless_lwc_isequal(align, corestring_lwc_bottom)) { - hint->status = CSS_CAPTION_SIDE_BOTTOM; + if (err == DOM_NO_ERR && align != NULL) { + if (dom_string_caseless_lwc_isequal(align, + corestring_lwc_bottom)) { + hint->prop = CSS_PROP_CAPTION_SIDE; + hint->status = CSS_CAPTION_SIDE_BOTTOM; + hint = css_hint_advance(hint); + } dom_string_unref(align); - return CSS_OK; } - - dom_string_unref(align); - - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_background_color( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_bg_color( + nscss_select_ctx *ctx, + dom_node *node) { + struct css_hint *hint = &hint_ctx.hints[hint_ctx.len]; dom_exception err; dom_string *bgcolor; err = dom_element_get_attribute(node, corestring_dom_bgcolor, &bgcolor); - if ((err != DOM_NO_ERR) || (bgcolor == NULL)) { - return CSS_PROPERTY_NOT_SET; - } - - if (nscss_parse_colour((const char *)dom_string_data(bgcolor), - &hint->data.color)) { - hint->status = CSS_BACKGROUND_COLOR_COLOR; + if (err == DOM_NO_ERR && bgcolor != NULL) { + if (nscss_parse_colour( + (const char *)dom_string_data(bgcolor), + &hint->data.color)) { + hint->prop = CSS_PROP_BACKGROUND_COLOR; + hint->status = CSS_BACKGROUND_COLOR_COLOR; + hint = css_hint_advance(hint); + } dom_string_unref(bgcolor); - return CSS_OK; } - - dom_string_unref(bgcolor); - - return CSS_PROPERTY_NOT_SET; } -static css_error node_presentational_hint_background_image( - nscss_select_ctx *ctx, - dom_node *node, - css_hint *hint) +static void css_hint_bg_image( + nscss_select_ctx *ctx, + dom_node *node) { + struct css_hint *hint = &(hint_ctx.hints[hint_ctx.len]); dom_exception err; - dom_string *atr_val; - nserror error; - nsurl *url; - lwc_string *iurl; - lwc_error lerror; + dom_string *attr; err = dom_element_get_attribute(node, - corestring_dom_background, &atr_val); - if ((err != DOM_NO_ERR) || (atr_val == NULL)) { - return CSS_PROPERTY_NOT_SET; - } - - error = nsurl_join(ctx->base_url, - (const char *)dom_string_data(atr_val), &url); - - dom_string_unref(atr_val); - - if (error != NSERROR_OK) { - return CSS_NOMEM; - } - - lerror = lwc_intern_string(nsurl_access(url), - nsurl_length(url), &iurl); - - nsurl_unref(url); - - if (lerror == lwc_error_oom) { - return CSS_NOMEM; - } - - if (lerror == lwc_error_ok) { - hint->data.string = iurl; - hint->status = CSS_BACKGROUND_IMAGE_IMAGE; - return CSS_OK; - } - - return CSS_PROPERTY_NOT_SET; -} - -struct css_hint_ctx { - struct css_hint *hints; - uint32_t alloc; - uint32_t len; -}; - -struct css_hint_ctx hint_ctx; - -static void css_hint_destroy(struct css_hint_ctx *hint) -{ - hint->alloc = 0; - hint->len = 0; - free(hint->hints); -} - -static nserror css_hint_extend(struct css_hint_ctx *hint) -{ - uint32_t alloc = (hint->alloc == 0) ? 32 : hint->alloc * 2; - struct css_hint *temp; - - temp = realloc(hint->hints, sizeof(struct css_hint) * alloc); - if (temp != NULL) { - hint->hints = temp; - hint->alloc = alloc; - - return NSERROR_OK; - } - - return NSERROR_NOMEM; -} - -nserror css_hint_init(void) -{ - nserror err; - - err = css_hint_extend(&hint_ctx); - if (err != NSERROR_OK) { - return err; - } - - return NSERROR_OK; -} - -void css_hint_fini(void) -{ - css_hint_destroy(&hint_ctx); -} - - -/* Exported function, documeted in css/hints.h */ -static inline css_error node_presentational_hint_internal( - void *pw, void *node, struct css_hint_ctx *hints) -{ - struct css_hint_ctx *ctx = hints; - uint32_t property; - nserror nserr; - css_error err; - - ctx->len = 0; - - for (property = 0; property < CSS_N_PROPERTIES; property++) { - css_hint *hint = &(ctx->hints[ctx->len]); - - if (ctx->alloc == 0 || ctx->len == ctx->alloc - 1) { - nserr = css_hint_extend(ctx); - if (nserr != NSERROR_OK) { - return NSERROR_NOMEM; + corestring_dom_background, &attr); + if (err == DOM_NO_ERR && attr != NULL) { + nsurl *url; + nserror error = nsurl_join(ctx->base_url, + (const char *)dom_string_data(attr), &url); + dom_string_unref(attr); + + if (error != NSERROR_OK) { + lwc_string *iurl; + lwc_error lerror = lwc_intern_string(nsurl_access(url), + nsurl_length(url), &iurl); + nsurl_unref(url); + + if (lerror == lwc_error_ok) { + hint->prop = CSS_PROP_BACKGROUND_IMAGE; + hint->data.string = iurl; + hint->status = CSS_BACKGROUND_IMAGE_IMAGE; + hint = css_hint_advance(hint); } } - - switch (property) { - case CSS_PROP_BACKGROUND_IMAGE: - err = node_presentational_hint_background_image( - pw, node, hint); - break; - - case CSS_PROP_BACKGROUND_COLOR: - err = node_presentational_hint_background_color( - pw, node, hint); - break; - - case CSS_PROP_CAPTION_SIDE: - err = node_presentational_hint_caption_side( - pw, node, hint); - break; - - case CSS_PROP_COLOR: - err = node_presentational_hint_color( - pw, node, hint); - break; - - case CSS_PROP_FLOAT: - err = node_presentational_hint_float( - pw, node, hint); - break; - - case CSS_PROP_FONT_SIZE: - err = node_presentational_hint_font_size( - pw, node, hint); - break; - - case CSS_PROP_HEIGHT: - err = node_presentational_hint_height( - pw, node, hint); - break; - - case CSS_PROP_WIDTH: - err = node_presentational_hint_width( - pw, node, hint); - break; - - case CSS_PROP_BORDER_SPACING: - err = node_presentational_hint_border_spacing( - pw, node, hint); - break; - - case CSS_PROP_BORDER_TOP_COLOR: - case CSS_PROP_BORDER_RIGHT_COLOR: - case CSS_PROP_BORDER_BOTTOM_COLOR: - case CSS_PROP_BORDER_LEFT_COLOR: - err = node_presentational_hint_border_trbl_color( - pw, node, hint); - break; - - case CSS_PROP_BORDER_TOP_STYLE: - case CSS_PROP_BORDER_RIGHT_STYLE: - case CSS_PROP_BORDER_BOTTOM_STYLE: - case CSS_PROP_BORDER_LEFT_STYLE: - err = node_presentational_hint_border_trbl_style( - pw, node, hint); - break; - - case CSS_PROP_BORDER_TOP_WIDTH: - case CSS_PROP_BORDER_RIGHT_WIDTH: - case CSS_PROP_BORDER_BOTTOM_WIDTH: - case CSS_PROP_BORDER_LEFT_WIDTH: - err = node_presentational_hint_border_trbl_width( - pw, node, hint); - break; - - case CSS_PROP_MARGIN_TOP: - case CSS_PROP_MARGIN_BOTTOM: - err = node_presentational_hint_margin_tb( - pw, node, hint); - break; - - case CSS_PROP_MARGIN_RIGHT: - case CSS_PROP_MARGIN_LEFT: - err = node_presentational_hint_margin_rl( - pw, node, hint, property); - break; - - case CSS_PROP_PADDING_TOP: - case CSS_PROP_PADDING_RIGHT: - case CSS_PROP_PADDING_BOTTOM: - case CSS_PROP_PADDING_LEFT: - err = node_presentational_hint_padding_trbl( - pw, node, hint); - break; - - case CSS_PROP_TEXT_ALIGN: - err = node_presentational_hint_text_align( - pw, node, hint); - break; - - case CSS_PROP_VERTICAL_ALIGN: - err = node_presentational_hint_vertical_align( - pw, node, hint); - break; - - default: - err = CSS_PROPERTY_NOT_SET; - break; - } - - if (err == CSS_OK) { - hint->prop = property; - ctx->len++; - } } - - return CSS_OK; } @@ -1903,19 +1486,95 @@ static inline css_error node_presentational_hint_internal( css_error node_presentational_hint(void *pw, void *node, uint32_t *nhints, css_hint **hints) { - css_error err; + dom_exception exc; + dom_html_element_type tag_type; + + css_hint_clean(); - err = node_presentational_hint_internal(pw, node, &hint_ctx); - if (err != CSS_OK) { - return err; + exc = dom_html_element_get_tag_type(node, &tag_type); + if (exc != DOM_NO_ERR) { + tag_type = DOM_HTML_ELEMENT_TYPE__UNKNOWN; + } + + switch (tag_type) { + case DOM_HTML_ELEMENT_TYPE_TH: + case DOM_HTML_ELEMENT_TYPE_TD: + css_hint_width(pw, node); + css_hint_table_cell_border_padding(pw, node); + case DOM_HTML_ELEMENT_TYPE_TR: + css_hint_height(pw, node); + case DOM_HTML_ELEMENT_TYPE_THEAD: + case DOM_HTML_ELEMENT_TYPE_TBODY: + case DOM_HTML_ELEMENT_TYPE_TFOOT: + css_hint_text_align_special(pw, node); + case DOM_HTML_ELEMENT_TYPE_COL: + css_hint_vertical_align_table_cells(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_APPLET: + case DOM_HTML_ELEMENT_TYPE_IMG: + css_hint_margin_hspace_vspace(pw, node); + case DOM_HTML_ELEMENT_TYPE_EMBED: + case DOM_HTML_ELEMENT_TYPE_IFRAME: + case DOM_HTML_ELEMENT_TYPE_OBJECT: + css_hint_height(pw, node); + css_hint_width(pw, node); + css_hint_vertical_align_replaced(pw, node); + css_hint_float(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_P: + case DOM_HTML_ELEMENT_TYPE_H1: + case DOM_HTML_ELEMENT_TYPE_H2: + case DOM_HTML_ELEMENT_TYPE_H3: + case DOM_HTML_ELEMENT_TYPE_H4: + case DOM_HTML_ELEMENT_TYPE_H5: + case DOM_HTML_ELEMENT_TYPE_H6: + css_hint_text_align_normal(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_CENTER: + css_hint_text_align_center(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_CAPTION: + css_hint_caption_side(pw, node); + case DOM_HTML_ELEMENT_TYPE_DIV: + css_hint_text_align_special(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_TABLE: + css_hint_text_align_table_special(pw, node); + css_hint_table_spacing_border(pw, node); + css_hint_float(pw, node); + css_hint_margin_left_right_align_center(pw, node); + css_hint_width(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_HR: + css_hint_margin_left_right_hr(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_TEXTAREA: + css_hint_height_width_textarea(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_INPUT: + css_hint_width_input(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_A: + css_hint_anchor_color(pw, node); + break; + case DOM_HTML_ELEMENT_TYPE_FONT: + css_hint_font_size(pw, node); + break; + default: + break; + } + + if (tag_type != DOM_HTML_ELEMENT_TYPE__UNKNOWN) { + css_hint_color(pw, node); + css_hint_bg_color(pw, node); + css_hint_bg_image(pw, node); } #ifdef LOG_STATS LOG("Properties with hints: %i", hint_ctx.len); #endif - *nhints = hint_ctx.len; - *hints = hint_ctx.hints; + css_hint_get_hints(hints, nhints); return CSS_OK; } |