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 "core/css/CSSPropertySourceData.h"
38
39 #include "wtf/StaticConstructors.h"
40 #include "wtf/text/StringBuilder.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
length() const57 unsigned SourceRange::length() const
58 {
59 return end - start;
60 }
61
CSSPropertySourceData(const String & name,const String & value,bool important,bool disabled,bool parsedOk,const SourceRange & range)62 CSSPropertySourceData::CSSPropertySourceData(const String& name, const String& value, bool important, bool disabled, bool parsedOk, const SourceRange& range)
63 : name(name)
64 , value(value)
65 , important(important)
66 , disabled(disabled)
67 , parsedOk(parsedOk)
68 , range(range)
69 {
70 }
71
CSSPropertySourceData(const CSSPropertySourceData & other)72 CSSPropertySourceData::CSSPropertySourceData(const CSSPropertySourceData& other)
73 : name(other.name)
74 , value(other.value)
75 , important(other.important)
76 , disabled(other.disabled)
77 , parsedOk(other.parsedOk)
78 , range(other.range)
79 {
80 }
81
CSSPropertySourceData()82 CSSPropertySourceData::CSSPropertySourceData()
83 : name("")
84 , value("")
85 , important(false)
86 , disabled(false)
87 , parsedOk(false)
88 , range(SourceRange(0, 0))
89 {
90 }
91
toString() const92 String CSSPropertySourceData::toString() const
93 {
94 DEFINE_STATIC_LOCAL(String, emptyValue, ("e"));
95 if (!name && value == emptyValue)
96 return String();
97
98 StringBuilder result;
99 if (disabled)
100 result.append("/* ");
101 result.append(name);
102 result.appendLiteral(": ");
103 result.append(value);
104 if (important)
105 result.appendLiteral(" !important");
106 result.append(';');
107 if (disabled)
108 result.append(" */");
109 return result.toString();
110 }
111
hash() const112 unsigned CSSPropertySourceData::hash() const
113 {
114 return StringHash::hash(name) + 3 * StringHash::hash(value) + 7 * important + 13 * parsedOk + 31;
115 }
116
117 // Global init routines
118 DEFINE_GLOBAL(CSSPropertySourceData, emptyCSSPropertySourceData, "", "e", false, false)
119
120 // static
init()121 void CSSPropertySourceData::init()
122 {
123 static bool initialized;
124 if (!initialized) {
125 new ((void *) &emptyCSSPropertySourceData) CSSPropertySourceData("", "e", false, false, false, SourceRange(0, 0));
126 initialized = true;
127 }
128 }
129
130 } // namespace WebCore
131