From 12fd8aea8f990d30a2475ae886fc7aa98c77525b Mon Sep 17 00:00:00 2001 From: Lucas Neves Date: Thu, 28 Sep 2017 15:46:31 +0000 Subject: Selection: Logic for the flexbox properties. --- src/select/properties/flex_basis.c | 79 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 src/select/properties/flex_basis.c (limited to 'src/select/properties/flex_basis.c') diff --git a/src/select/properties/flex_basis.c b/src/select/properties/flex_basis.c new file mode 100644 index 0000000..1a92a6b --- /dev/null +++ b/src/select/properties/flex_basis.c @@ -0,0 +1,79 @@ +/* + * This file is part of LibCSS + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2017 Lucas Neves + */ + +#include "bytecode/bytecode.h" +#include "bytecode/opcodes.h" +#include "select/propset.h" +#include "select/propget.h" +#include "utils/utils.h" + +#include "select/properties/properties.h" +#include "select/properties/helpers.h" + +css_error css__cascade_flex_basis(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_FLEX_BASIS_INHERIT; + css_fixed length = 0; + uint32_t unit = UNIT_PX; + + if (isInherit(opv) == false) { + switch (getValue(opv)) { + case FLEX_BASIS_AUTO: + value = CSS_FLEX_BASIS_AUTO; + break; + case FLEX_BASIS_CONTENT: + value = CSS_FLEX_BASIS_CONTENT; + break; + case FLEX_BASIS_SET: + value = CSS_FLEX_BASIS_SET; + length = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(length)); + unit = *((uint32_t *) style->bytecode); + advance_bytecode(style, sizeof(unit)); + break; + } + } + + unit = css__to_css_unit(unit); + + if (css__outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_flex_basis(state->computed, value, length, unit); + } + + return CSS_OK; +} + +css_error css__set_flex_basis_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_flex_basis(style, hint->status, + hint->data.length.value, hint->data.length.unit); +} + +css_error css__initial_flex_basis(css_select_state *state) +{ + return set_flex_basis(state->computed, CSS_FLEX_BASIS_AUTO, 0, + CSS_UNIT_PX); +} + +css_error css__compose_flex_basis(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_flex_basis(child, &length, &unit); + + if (type == CSS_FLEX_BASIS_INHERIT) { + type = get_flex_basis(parent, &length, &unit); + } + + return set_flex_basis(result, type, length, unit); +} + -- cgit v1.2.3