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/*
* 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 "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 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->computed, 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->computed, 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);
}
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