1/*
2 * Copyright (c) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32
33#include "core/css/CSSPropertySourceData.h"
34
35#include "wtf/StaticConstructors.h"
36#include "wtf/text/StringBuilder.h"
37#include "wtf/text/StringHash.h"
38
39namespace blink {
40
41SourceRange::SourceRange()
42    : start(0)
43    , end(0)
44{
45}
46
47SourceRange::SourceRange(unsigned start, unsigned end)
48    : start(start)
49    , end(end)
50{
51}
52
53unsigned SourceRange::length() const
54{
55    return end - start;
56}
57
58CSSPropertySourceData::CSSPropertySourceData(const String& name, const String& value, bool important, bool disabled, bool parsedOk, const SourceRange& range)
59    : name(name)
60    , value(value)
61    , important(important)
62    , disabled(disabled)
63    , parsedOk(parsedOk)
64    , range(range)
65{
66}
67
68CSSPropertySourceData::CSSPropertySourceData(const CSSPropertySourceData& other)
69    : name(other.name)
70    , value(other.value)
71    , important(other.important)
72    , disabled(other.disabled)
73    , parsedOk(other.parsedOk)
74    , range(other.range)
75{
76}
77
78CSSPropertySourceData::CSSPropertySourceData()
79    : name("")
80    , value("")
81    , important(false)
82    , disabled(false)
83    , parsedOk(false)
84    , range(SourceRange(0, 0))
85{
86}
87
88String CSSPropertySourceData::toString() const
89{
90    DEFINE_STATIC_LOCAL(String, emptyValue, ("e"));
91    if (!name && value == emptyValue)
92        return String();
93
94    StringBuilder result;
95    if (disabled)
96        result.appendLiteral("/* ");
97    result.append(name);
98    result.appendLiteral(": ");
99    result.append(value);
100    if (important)
101        result.appendLiteral(" !important");
102    result.append(';');
103    if (disabled)
104        result.appendLiteral(" */");
105    return result.toString();
106}
107
108unsigned CSSPropertySourceData::hash() const
109{
110    return StringHash::hash(name) + 3 * StringHash::hash(value) + 7 * important + 13 * parsedOk + 31;
111}
112
113void CSSRuleSourceData::trace(Visitor* visitor)
114{
115    visitor->trace(ruleHeaderRange);
116    visitor->trace(ruleBodyRange);
117    visitor->trace(selectorRanges);
118    visitor->trace(styleSourceData);
119    visitor->trace(childRules);
120}
121
122} // namespace blink
123