From 65f03d4f644ce73618e5f4f50dd694b26f55ae12 Mon Sep 17 00:00:00 2001
From: Ben Murdoch <benm@google.com>
Date: Fri, 13 May 2011 16:23:25 +0100
Subject: Merge WebKit at r75993: Initial merge by git.

Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3
---
 Source/WebKit/chromium/src/WebCString.cpp | 140 ++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 Source/WebKit/chromium/src/WebCString.cpp

(limited to 'Source/WebKit/chromium/src/WebCString.cpp')

diff --git a/Source/WebKit/chromium/src/WebCString.cpp b/Source/WebKit/chromium/src/WebCString.cpp
new file mode 100644
index 0000000..f81d7f4
--- /dev/null
+++ b/Source/WebKit/chromium/src/WebCString.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2009 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 "WebCString.h"
+
+#include "TextEncoding.h"
+#include <wtf/text/CString.h>
+
+#include "WebString.h"
+
+namespace WebKit {
+
+class WebCStringPrivate : public WTF::CStringBuffer {
+};
+
+int WebCString::compare(const WebCString& other) const
+{
+    // A null string is always less than a non null one.
+    if (isNull() != other.isNull())
+        return isNull() ? -1 : 1;
+
+    if (isNull())
+        return 0; // Both WebStrings are null.
+
+    return strcmp(m_private->data(), other.m_private->data());
+}
+
+void WebCString::reset()
+{
+    if (m_private) {
+        m_private->deref();
+        m_private = 0;
+    }
+}
+
+void WebCString::assign(const WebCString& other)
+{
+    assign(const_cast<WebCStringPrivate*>(other.m_private));
+}
+
+void WebCString::assign(const char* data, size_t length)
+{
+    char* newData;
+    RefPtr<WTF::CStringBuffer> buffer =
+        WTF::CString::newUninitialized(length, newData).buffer();
+    memcpy(newData, data, length);
+    assign(static_cast<WebCStringPrivate*>(buffer.get()));
+}
+
+size_t WebCString::length() const
+{
+    if (!m_private)
+        return 0;
+    // NOTE: The buffer's length includes the null byte.
+    return const_cast<WebCStringPrivate*>(m_private)->length() - 1;
+}
+
+const char* WebCString::data() const
+{
+    if (!m_private)
+        return 0;
+    return const_cast<WebCStringPrivate*>(m_private)->data();
+}
+
+WebString WebCString::utf16() const
+{
+    return WebCore::UTF8Encoding().decode(data(), length());
+}
+
+WebCString WebCString::fromUTF16(const WebUChar* data, size_t length)
+{
+    return WebCore::UTF8Encoding().encode(
+        data, length, WebCore::QuestionMarksForUnencodables);
+}
+
+WebCString WebCString::fromUTF16(const WebUChar* data)
+{
+    size_t len = 0;
+    while (data[len] != WebUChar(0))
+        len++;
+    return fromUTF16(data, len);
+}
+
+WebCString::WebCString(const WTF::CString& s)
+    : m_private(static_cast<WebCStringPrivate*>(s.buffer()))
+{
+    if (m_private)
+        m_private->ref();
+}
+
+WebCString& WebCString::operator=(const WTF::CString& s)
+{
+    assign(static_cast<WebCStringPrivate*>(s.buffer()));
+    return *this;
+}
+
+WebCString::operator WTF::CString() const
+{
+    return m_private;
+}
+
+void WebCString::assign(WebCStringPrivate* p)
+{
+    // Take care to handle the case where m_private == p
+    if (p)
+        p->ref();
+    if (m_private)
+        m_private->deref();
+    m_private = p;
+}
+
+} // namespace WebKit
-- 
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