1 /*
2 * Copyright (C) 2011 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 #include "core/dom/DocumentMarker.h"
33
34 namespace blink {
35
~DocumentMarkerDetails()36 DocumentMarkerDetails::~DocumentMarkerDetails()
37 {
38 }
39
40 class DocumentMarkerDescription FINAL : public DocumentMarkerDetails {
41 public:
42 static PassRefPtrWillBeRawPtr<DocumentMarkerDescription> create(const String&);
43
description() const44 const String& description() const { return m_description; }
isDescription() const45 virtual bool isDescription() const OVERRIDE { return true; }
46
47 private:
DocumentMarkerDescription(const String & description)48 explicit DocumentMarkerDescription(const String& description)
49 : m_description(description)
50 {
51 }
52
53 String m_description;
54 };
55
create(const String & description)56 PassRefPtrWillBeRawPtr<DocumentMarkerDescription> DocumentMarkerDescription::create(const String& description)
57 {
58 return adoptRefWillBeNoop(new DocumentMarkerDescription(description));
59 }
60
toDocumentMarkerDescription(DocumentMarkerDetails * details)61 inline DocumentMarkerDescription* toDocumentMarkerDescription(DocumentMarkerDetails* details)
62 {
63 if (details && details->isDescription())
64 return static_cast<DocumentMarkerDescription*>(details);
65 return 0;
66 }
67
68
69 class DocumentMarkerTextMatch FINAL : public DocumentMarkerDetails {
70 public:
71 static PassRefPtrWillBeRawPtr<DocumentMarkerTextMatch> instanceFor(bool);
72
activeMatch() const73 bool activeMatch() const { return m_match; }
isTextMatch() const74 virtual bool isTextMatch() const OVERRIDE { return true; }
75
76 private:
DocumentMarkerTextMatch(bool match)77 explicit DocumentMarkerTextMatch(bool match)
78 : m_match(match)
79 {
80 }
81
82 bool m_match;
83 };
84
instanceFor(bool match)85 PassRefPtrWillBeRawPtr<DocumentMarkerTextMatch> DocumentMarkerTextMatch::instanceFor(bool match)
86 {
87 DEFINE_STATIC_REF_WILL_BE_PERSISTENT(DocumentMarkerTextMatch, trueInstance, (adoptRefWillBeNoop(new DocumentMarkerTextMatch(true))));
88 DEFINE_STATIC_REF_WILL_BE_PERSISTENT(DocumentMarkerTextMatch, falseInstance, (adoptRefWillBeNoop(new DocumentMarkerTextMatch(false))));
89 return match ? trueInstance : falseInstance;
90 }
91
toDocumentMarkerTextMatch(DocumentMarkerDetails * details)92 inline DocumentMarkerTextMatch* toDocumentMarkerTextMatch(DocumentMarkerDetails* details)
93 {
94 if (details && details->isTextMatch())
95 return static_cast<DocumentMarkerTextMatch*>(details);
96 return 0;
97 }
98
99
DocumentMarker()100 DocumentMarker::DocumentMarker()
101 : m_type(Spelling)
102 , m_startOffset(0)
103 , m_endOffset(0)
104 , m_hash(0)
105 {
106 }
107
DocumentMarker(MarkerType type,unsigned startOffset,unsigned endOffset,const String & description,uint32_t hash)108 DocumentMarker::DocumentMarker(MarkerType type, unsigned startOffset, unsigned endOffset, const String& description, uint32_t hash)
109 : m_type(type)
110 , m_startOffset(startOffset)
111 , m_endOffset(endOffset)
112 , m_details(description.isEmpty() ? nullptr : DocumentMarkerDescription::create(description))
113 , m_hash(hash)
114 {
115 }
116
DocumentMarker(unsigned startOffset,unsigned endOffset,bool activeMatch)117 DocumentMarker::DocumentMarker(unsigned startOffset, unsigned endOffset, bool activeMatch)
118 : m_type(DocumentMarker::TextMatch)
119 , m_startOffset(startOffset)
120 , m_endOffset(endOffset)
121 , m_details(DocumentMarkerTextMatch::instanceFor(activeMatch))
122 , m_hash(0)
123 {
124 }
125
DocumentMarker(MarkerType type,unsigned startOffset,unsigned endOffset,PassRefPtrWillBeRawPtr<DocumentMarkerDetails> details)126 DocumentMarker::DocumentMarker(MarkerType type, unsigned startOffset, unsigned endOffset, PassRefPtrWillBeRawPtr<DocumentMarkerDetails> details)
127 : m_type(type)
128 , m_startOffset(startOffset)
129 , m_endOffset(endOffset)
130 , m_details(details)
131 , m_hash(0)
132 {
133 }
134
DocumentMarker(const DocumentMarker & marker)135 DocumentMarker::DocumentMarker(const DocumentMarker& marker)
136 : m_type(marker.type())
137 , m_startOffset(marker.startOffset())
138 , m_endOffset(marker.endOffset())
139 , m_details(marker.details())
140 , m_hash(marker.hash())
141 {
142 }
143
shiftOffsets(int delta)144 void DocumentMarker::shiftOffsets(int delta)
145 {
146 m_startOffset += delta;
147 m_endOffset += delta;
148 }
149
setActiveMatch(bool active)150 void DocumentMarker::setActiveMatch(bool active)
151 {
152 m_details = DocumentMarkerTextMatch::instanceFor(active);
153 }
154
description() const155 const String& DocumentMarker::description() const
156 {
157 if (DocumentMarkerDescription* details = toDocumentMarkerDescription(m_details.get()))
158 return details->description();
159 return emptyString();
160 }
161
activeMatch() const162 bool DocumentMarker::activeMatch() const
163 {
164 if (DocumentMarkerTextMatch* details = toDocumentMarkerTextMatch(m_details.get()))
165 return details->activeMatch();
166 return false;
167 }
168
trace(Visitor * visitor)169 void DocumentMarker::trace(Visitor* visitor)
170 {
171 visitor->trace(m_details);
172 }
173
174 } // namespace blink
175