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-rw-r--r--src/3rdparty/webkit/WebCore/platform/text/StringBuilder.cpp97
1 files changed, 97 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/platform/text/StringBuilder.cpp b/src/3rdparty/webkit/WebCore/platform/text/StringBuilder.cpp
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+++ b/src/3rdparty/webkit/WebCore/platform/text/StringBuilder.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2008 Apple 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:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 "StringBuilder.h"
+
+#include "StringBuffer.h"
+
+namespace WebCore {
+
+void StringBuilder::append(const String& string)
+{
+ if (string.isNull())
+ return;
+
+ if (m_totalLength == UINT_MAX)
+ m_totalLength = string.length();
+ else
+ m_totalLength += string.length();
+
+ if (!string.isEmpty())
+ m_strings.append(string);
+}
+
+void StringBuilder::append(UChar c)
+{
+ if (m_totalLength == UINT_MAX)
+ m_totalLength = 1;
+ else
+ m_totalLength += 1;
+
+ m_strings.append(String(&c, 1));
+}
+
+void StringBuilder::append(char c)
+{
+ if (m_totalLength == UINT_MAX)
+ m_totalLength = 1;
+ else
+ m_totalLength += 1;
+
+ m_strings.append(String(&c, 1));
+}
+
+String StringBuilder::toString() const
+{
+ if (isNull())
+ return String();
+
+ unsigned count = m_strings.size();
+
+ if (!count)
+ return String(StringImpl::empty());
+ if (count == 1)
+ return m_strings[0];
+
+ StringBuffer buffer(m_totalLength);
+
+ UChar* p = buffer.characters();
+ for (unsigned i = 0; i < count; ++i) {
+ StringImpl* string = m_strings[i].impl();
+ unsigned length = string->length();
+ memcpy(p, string->characters(), length * 2);
+ p += length;
+ }
+
+ ASSERT(p == m_totalLength + buffer.characters());
+
+ return String::adopt(buffer);
+}
+
+}