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 #ifdef SKIP_STATIC_CONSTRUCTORS_ON_GCC
34 #define CSSPROPERTYSOURCEDATA_HIDE_GLOBALS 1
35 #endif
36
37 #include "CSSPropertySourceData.h"
38
39 #include "PlatformString.h"
40 #include <wtf/StaticConstructors.h>
41 #include <wtf/text/StringHash.h>
42
43 namespace WebCore {
44
SourceRange()45 SourceRange::SourceRange()
46 : start(0)
47 , end(0)
48 {
49 }
50
SourceRange(unsigned start,unsigned end)51 SourceRange::SourceRange(unsigned start, unsigned end)
52 : start(start)
53 , end(end)
54 {
55 }
56
CSSPropertySourceData(const String & name,const String & value,bool important,bool parsedOk,const SourceRange & range)57 CSSPropertySourceData::CSSPropertySourceData(const String& name, const String& value, bool important, bool parsedOk, const SourceRange& range)
58 : name(name)
59 , value(value)
60 , important(important)
61 , parsedOk(parsedOk)
62 , range(range)
63 {
64 }
65
CSSPropertySourceData(const CSSPropertySourceData & other)66 CSSPropertySourceData::CSSPropertySourceData(const CSSPropertySourceData& other)
67 : name(other.name)
68 , value(other.value)
69 , important(other.important)
70 , parsedOk(other.parsedOk)
71 , range(other.range)
72 {
73 }
74
CSSPropertySourceData()75 CSSPropertySourceData::CSSPropertySourceData()
76 : name("")
77 , value("")
78 , important(false)
79 , parsedOk(false)
80 , range(SourceRange(0, 0))
81 {
82 }
83
toString() const84 String CSSPropertySourceData::toString() const
85 {
86 DEFINE_STATIC_LOCAL(String, emptyValue, ("e"));
87 DEFINE_STATIC_LOCAL(String, importantSuffix, (" !important"));
88 if (!name && value == emptyValue)
89 return String();
90
91 String result = name;
92 result += ": ";
93 result += value;
94 if (important)
95 result += importantSuffix;
96 result += ";";
97 return result;
98 }
99
hash() const100 unsigned CSSPropertySourceData::hash() const
101 {
102 return StringHash::hash(name) + 3 * StringHash::hash(value) + 7 * important + 13 * parsedOk + 31;
103 }
104
105 // Global init routines
106 DEFINE_GLOBAL(CSSPropertySourceData, emptyCSSPropertySourceData, "", "e", false, false)
107
108 // static
init()109 void CSSPropertySourceData::init()
110 {
111 static bool initialized;
112 if (!initialized) {
113 new ((void *) &emptyCSSPropertySourceData) CSSPropertySourceData("", "e", false, false, SourceRange(0, 0));
114 initialized = true;
115 }
116 }
117
118 } // namespace WebCore
119