1 /*
2 * This file is part of LibCSS
3 * Licensed under the MIT License,
4 * http://www.opensource.org/licenses/mit-license.php
5 * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
6 */
7
8 #include "bytecode/bytecode.h"
9 #include "bytecode/opcodes.h"
10 #include "select/propset.h"
11 #include "select/propget.h"
12 #include "utils/utils.h"
13
14 #include "select/properties/properties.h"
15 #include "select/properties/helpers.h"
16
css__cascade_clear(uint32_t opv,css_style * style,css_select_state * state)17 css_error css__cascade_clear(uint32_t opv, css_style *style,
18 css_select_state *state)
19 {
20 uint16_t value = CSS_CLEAR_INHERIT;
21
22 UNUSED(style);
23
24 if (isInherit(opv) == false) {
25 switch (getValue(opv)) {
26 case CLEAR_NONE:
27 value = CSS_CLEAR_NONE;
28 break;
29 case CLEAR_LEFT:
30 value = CSS_CLEAR_LEFT;
31 break;
32 case CLEAR_RIGHT:
33 value = CSS_CLEAR_RIGHT;
34 break;
35 case CLEAR_BOTH:
36 value = CSS_CLEAR_BOTH;
37 break;
38 }
39 }
40
41 if (css__outranks_existing(getOpcode(opv), isImportant(opv), state,
42 isInherit(opv))) {
43 return set_clear(state->computed, value);
44 }
45
46 return CSS_OK;
47 }
48
css__set_clear_from_hint(const css_hint * hint,css_computed_style * style)49 css_error css__set_clear_from_hint(const css_hint *hint,
50 css_computed_style *style)
51 {
52 return set_clear(style, hint->status);
53 }
54
css__initial_clear(css_select_state * state)55 css_error css__initial_clear(css_select_state *state)
56 {
57 return set_clear(state->computed, CSS_CLEAR_NONE);
58 }
59
css__compose_clear(const css_computed_style * parent,const css_computed_style * child,css_computed_style * result)60 css_error css__compose_clear(const css_computed_style *parent,
61 const css_computed_style *child,
62 css_computed_style *result)
63 {
64 uint8_t type = get_clear(child);
65
66 if (type == CSS_CLEAR_INHERIT) {
67 type = get_clear(parent);
68 }
69
70 return set_clear(result, type);
71 }
72
73