diff options
Diffstat (limited to 'src/select/properties/order.c')
-rw-r--r-- | src/select/properties/order.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/select/properties/order.c b/src/select/properties/order.c new file mode 100644 index 0000000..0366537 --- /dev/null +++ b/src/select/properties/order.c @@ -0,0 +1,62 @@ +/* + * This file is part of LibCSS + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2017 Lucas Neves <lcneves@gmail.com> + */ + +#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_order(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_ORDER_INHERIT; + css_fixed order = 0; + + if (isInherit(opv) == false) { + value = CSS_ORDER_SET; + + order = FIXTOINT(*((css_fixed *) style->bytecode)); + advance_bytecode(style, sizeof(order)); + } + + if (css__outranks_existing(getOpcode(opv), isImportant(opv), state, + isInherit(opv))) { + return set_order(state->computed, value, order); + } + + return CSS_OK; +} + +css_error css__set_order_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_order(style, hint->status, hint->data.integer); +} + +css_error css__initial_order(css_select_state *state) +{ + return set_order(state->computed, CSS_ORDER_SET, 0); +} + +css_error css__compose_order(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + int32_t order = 0; + uint8_t type = get_order(child, &order); + + if (type == CSS_ORDER_INHERIT) { + type = get_order(parent, &order); + } + + return set_order(result, type, order); +} + |