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/*
* This file is part of LibCSS
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2012 Michael Drake <tlsa@netsurf-browser.org>
*/
#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_column_span(uint32_t opv, css_style *style,
css_select_state *state)
{
uint16_t value = CSS_COLUMN_SPAN_INHERIT;
UNUSED(style);
if (isInherit(opv) == false) {
switch (getValue(opv)) {
case COLUMN_SPAN_NONE:
value = CSS_COLUMN_SPAN_NONE;
break;
case COLUMN_SPAN_ALL:
value = CSS_COLUMN_SPAN_ALL;
break;
}
}
if (css__outranks_existing(getOpcode(opv), isImportant(opv), state,
isInherit(opv))) {
return set_column_span(state->computed, value);
}
return CSS_OK;
}
css_error css__set_column_span_from_hint(const css_hint *hint,
css_computed_style *style)
{
return set_column_span(style, hint->status);
}
css_error css__initial_column_span(css_select_state *state)
{
return set_column_span(state->computed, CSS_COLUMN_SPAN_NONE);
}
css_error css__compose_column_span(const css_computed_style *parent,
const css_computed_style *child,
css_computed_style *result)
{
uint8_t type = get_column_span(child);
if (type == CSS_COLUMN_SPAN_INHERIT) {
type = get_column_span(parent);
}
return set_column_span(result, type);
}
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