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/*
* 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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