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# 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>
overrides = {
'get': {},
'set': {},
'properties': {}
}
overrides['get']['clip'] = '''\
static inline uint8_t get_clip(
const css_computed_style *style,
css_computed_clip_rect *rect)
{
if (style->i.uncommon != NULL) {
uint32_t bits = style->i.uncommon->i.bits[CLIP_INDEX];
bits &= CLIP_MASK;
bits >>= CLIP_SHIFT;
/*
26bits: tt tttr rrrr bbbb blll llTR BLyy:
units: top | right | bottom | left
opcodes: top | right | bottom | left | type
*/
if ((bits & 0x3) == CSS_CLIP_RECT) {
rect->left_auto = (bits & 0x4);
rect->bottom_auto = (bits & 0x8);
rect->right_auto = (bits & 0x10);
rect->top_auto = (bits & 0x20);
rect->top = style->i.uncommon->i.clip_a;
rect->tunit = bits & 0x3e00000 >> 21;
rect->right = style->i.uncommon->i.clip_b;
rect->runit = bits & 0x1f0000 >> 16;
rect->bottom = style->i.uncommon->i.clip_c;
rect->bunit = (bits & 0xf800) >> 11;
rect->left = style->i.uncommon->i.clip_d;
rect->lunit = (bits & 0x7c0) >> 6;
}
return (bits & 0x3);
}
/* Initial value */
return CSS_CLIP_AUTO;
}'''
overrides['set']['clip'] = '''\
static inline css_error set_clip(
css_computed_style *style, uint8_t type,
css_computed_clip_rect *rect)
{
uint32_t *bits;
ENSURE_UNCOMMON;
bits = &style->i.uncommon->i.bits[CLIP_INDEX];
/*
26bits: tt tttr rrrr bbbb blll llTR BLyy:
units: top | right | bottom | left
opcodes: top | right | bottom | left | type
*/
*bits = (*bits & ~CLIP_MASK) |
((type & 0x3) << CLIP_SHIFT);
if (type == CSS_CLIP_RECT) {
*bits |= (((rect->top_auto ? 0x20 : 0) |
(rect->right_auto ? 0x10 : 0) |
(rect->bottom_auto ? 0x8 : 0) |
(rect->left_auto ? 0x4 : 0)) << CLIP_SHIFT);
*bits |= (((rect->tunit << 5) | rect->runit)
<< (CLIP_SHIFT + 16));
*bits |= (((rect->bunit << 5) | rect->lunit)
<< (CLIP_SHIFT + 6));
style->i.uncommon->i.clip_a = rect->top;
style->i.uncommon->i.clip_b = rect->right;
style->i.uncommon->i.clip_c = rect->bottom;
style->i.uncommon->i.clip_d = rect->left;
}
return CSS_OK;
}'''
overrides['get']['line_height'] = '''\
static inline uint8_t get_line_height(
const css_computed_style *style,
css_fixed *length, css_unit *unit)
{
uint32_t bits = style->i.bits[LINE_HEIGHT_INDEX];
bits &= LINE_HEIGHT_MASK;
bits >>= LINE_HEIGHT_SHIFT;
/* 7bits: uuuuutt : units | type */
if ((bits & 0x3) == CSS_LINE_HEIGHT_NUMBER ||
(bits & 0x3) == CSS_LINE_HEIGHT_DIMENSION) {
*length = style->i.line_height;
}
if ((bits & 0x3) == CSS_LINE_HEIGHT_DIMENSION) {
*unit = bits >> 2;
}
return (bits & 0x3);
}'''
overrides['set']['content'] = '''\
static inline css_error set_content(
css_computed_style *style, uint8_t type,
css_computed_content_item *content)
{
uint32_t *bits;
css_computed_content_item *oldcontent;
css_computed_content_item *c;
ENSURE_UNCOMMON;
/* 2bits: type */
bits = &style->i.uncommon->i.bits[CONTENT_INDEX];
oldcontent = style->i.uncommon->content;
*bits = (*bits & ~CONTENT_MASK) |
((type & 0x3) << CONTENT_SHIFT);
for (c = content; c != NULL &&
c->type != CSS_COMPUTED_CONTENT_NONE; c++) {
switch (c->type) {
case CSS_COMPUTED_CONTENT_STRING:
c->data.string = lwc_string_ref(c->data.string);
break;
case CSS_COMPUTED_CONTENT_URI:
c->data.uri = lwc_string_ref(c->data.uri);
break;
case CSS_COMPUTED_CONTENT_ATTR:
c->data.attr = lwc_string_ref(c->data.attr);
break;
case CSS_COMPUTED_CONTENT_COUNTER:
c->data.counter.name =
lwc_string_ref(c->data.counter.name);
break;
case CSS_COMPUTED_CONTENT_COUNTERS:
c->data.counters.name =
lwc_string_ref(c->data.counters.name);
c->data.counters.sep =
lwc_string_ref(c->data.counters.sep);
break;
default:
break;
}
}
style->i.uncommon->content = content;
/* Free existing array */
if (oldcontent != NULL) {
for (c = oldcontent;
c->type != CSS_COMPUTED_CONTENT_NONE; c++) {
switch (c->type) {
case CSS_COMPUTED_CONTENT_STRING:
lwc_string_unref(c->data.string);
break;
case CSS_COMPUTED_CONTENT_URI:
lwc_string_unref(c->data.uri);
break;
case CSS_COMPUTED_CONTENT_ATTR:
lwc_string_unref(c->data.attr);
break;
case CSS_COMPUTED_CONTENT_COUNTER:
lwc_string_unref(c->data.counter.name);
break;
case CSS_COMPUTED_CONTENT_COUNTERS:
lwc_string_unref(c->data.counters.name);
lwc_string_unref(c->data.counters.sep);
break;
default:
break;
}
}
if (oldcontent != content)
free(oldcontent);
}
return CSS_OK;
}'''
get_side = '''\
static inline uint8_t get_{0}(
const css_computed_style *style,
css_fixed *length, css_unit *unit)
{{
uint32_t bits = style->i.bits[{1}_INDEX];
bits &= {1}_MASK;
bits >>= {1}_SHIFT;
/* 7bits: uuuuutt : units | type */
if ((bits & 0x3) == CSS_{1}_SET) {{
*length = style->i.{0};
*unit = bits >> 2;
}}
return (bits & 0x3);
}}
static inline uint8_t get_{0}_bits(
const css_computed_style *style)
{{
uint32_t bits = style->i.bits[{1}_INDEX];
bits &= {1}_MASK;
bits >>= {1}_SHIFT;
/* 7bits: uuuuutt : units | type */
return bits;
}}'''
overrides['get']['top'] = get_side.format('top', 'TOP')
overrides['get']['right'] = get_side.format('right', 'RIGHT')
overrides['get']['bottom'] = get_side.format('bottom', 'BOTTOM')
overrides['get']['left'] = get_side.format('left', 'LEFT')
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