Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 151 insertions, 0 deletions

diff --git a/Source/WebCore/dom/DocumentMarker.cpp b/Source/WebCore/dom/DocumentMarker.cpp
new file mode 100644
index 000000000..b4f9994db
--- /dev/null
+++ b/Source/WebCore/dom/DocumentMarker.cpp
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "DocumentMarker.h"
+
+namespace WebCore {
+
+DocumentMarkerDetails::~DocumentMarkerDetails()
+{
+}
+
+class DocumentMarkerDescription : public DocumentMarkerDetails {
+public:
+    static PassRefPtr<DocumentMarkerDescription> create(const String&);
+
+    const String& description() const { return m_description; }
+    virtual bool isDescription() const { return true; }
+
+private:
+    DocumentMarkerDescription(const String& description)
+        : m_description(description)
+    {
+    }
+
+    String m_description;
+};
+
+PassRefPtr<DocumentMarkerDescription> DocumentMarkerDescription::create(const String& description)
+{
+    return adoptRef(new DocumentMarkerDescription(description));
+}
+
+inline DocumentMarkerDescription* toDocumentMarkerDescription(DocumentMarkerDetails* details)
+{
+    if (details && details->isDescription())
+        return static_cast<DocumentMarkerDescription*>(details);
+    return 0;
+}
+
+
+class DocumentMarkerTextMatch : public DocumentMarkerDetails {
+public:
+    static PassRefPtr<DocumentMarkerTextMatch> instanceFor(bool);
+
+    bool activeMatch() const { return m_match; }
+    virtual bool isTextMatch() const { return true; }
+
+private:
+    explicit DocumentMarkerTextMatch(bool match)
+        : m_match(match)
+    {
+    }
+
+    bool m_match;
+};
+
+PassRefPtr<DocumentMarkerTextMatch> DocumentMarkerTextMatch::instanceFor(bool match)
+{
+    DEFINE_STATIC_LOCAL(RefPtr<DocumentMarkerTextMatch>, trueInstance, (adoptRef(new DocumentMarkerTextMatch(true))));
+    DEFINE_STATIC_LOCAL(RefPtr<DocumentMarkerTextMatch>, falseInstance, (adoptRef(new DocumentMarkerTextMatch(false))));
+    return match ? trueInstance : falseInstance;
+}
+
+inline DocumentMarkerTextMatch* toDocumentMarkerTextMatch(DocumentMarkerDetails* details)
+{
+    if (details && details->isTextMatch())
+        return static_cast<DocumentMarkerTextMatch*>(details);
+    return 0;
+}
+
+
+DocumentMarker::DocumentMarker() 
+    : m_type(Spelling), m_startOffset(0), m_endOffset(0)
+{
+}
+
+DocumentMarker::DocumentMarker(MarkerType type, unsigned startOffset, unsigned endOffset)
+    : m_type(type), m_startOffset(startOffset), m_endOffset(endOffset)
+{
+}
+
+DocumentMarker::DocumentMarker(MarkerType type, unsigned startOffset, unsigned endOffset, const String& description)
+    : m_type(type)
+    , m_startOffset(startOffset)
+    , m_endOffset(endOffset)
+    , m_details(description.isEmpty() ? 0 : DocumentMarkerDescription::create(description))
+{
+}
+
+DocumentMarker::DocumentMarker(unsigned startOffset, unsigned endOffset, bool activeMatch)
+    : m_type(DocumentMarker::TextMatch)
+    , m_startOffset(startOffset)
+    , m_endOffset(endOffset)
+    , m_details(DocumentMarkerTextMatch::instanceFor(activeMatch))
+{
+}
+
+void DocumentMarker::shiftOffsets(int delta)
+{
+    m_startOffset += delta;
+    m_endOffset +=  delta;
+}
+
+void DocumentMarker::setActiveMatch(bool active)
+{
+    m_details = DocumentMarkerTextMatch::instanceFor(active);
+}
+
+const String& DocumentMarker::description() const
+{
+    if (DocumentMarkerDescription* details = toDocumentMarkerDescription(m_details.get()))
+        return details->description();
+    return emptyString();
+}
+
+bool DocumentMarker::activeMatch() const
+{
+    if (DocumentMarkerTextMatch* details = toDocumentMarkerTextMatch(m_details.get()))
+        return details->activeMatch();
+    return false;
+}
+
+} // namespace WebCore