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/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebDOMCString.h"
#include "TextEncoding.h"
#include "WebDOMString.h"
#include <wtf/text/CString.h>
class WebDOMCStringPrivate : public WTF::CStringBuffer {
};
void WebDOMCString::reset()
{
if (m_private) {
m_private->deref();
m_private = 0;
}
}
void WebDOMCString::assign(const WebDOMCString& other)
{
assign(const_cast<WebDOMCStringPrivate*>(other.m_private));
}
void WebDOMCString::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<WebDOMCStringPrivate*>(buffer.get()));
}
size_t WebDOMCString::length() const
{
if (!m_private)
return 0;
// NOTE: The buffer's length includes the null byte.
return const_cast<WebDOMCStringPrivate*>(m_private)->length() - 1;
}
const char* WebDOMCString::data() const
{
if (!m_private)
return 0;
return const_cast<WebDOMCStringPrivate*>(m_private)->data();
}
WebDOMString WebDOMCString::utf16() const
{
return WebCore::UTF8Encoding().decode(data(), length());
}
WebDOMCString WebDOMCString::fromUTF16(const WebUChar* data, size_t length)
{
return WebCore::UTF8Encoding().encode(
data, length, WebCore::QuestionMarksForUnencodables);
}
WebDOMCString WebDOMCString::fromUTF16(const WebUChar* data)
{
size_t len = 0;
while (data[len] != WebUChar(0))
len++;
return fromUTF16(data, len);
}
WebDOMCString::WebDOMCString(const WTF::CString& s)
: m_private(static_cast<WebDOMCStringPrivate*>(s.buffer()))
{
if (m_private)
m_private->ref();
}
WebDOMCString& WebDOMCString::operator=(const WTF::CString& s)
{
assign(static_cast<WebDOMCStringPrivate*>(s.buffer()));
return *this;
}
WebDOMCString::operator WTF::CString() const
{
return m_private;
}
void WebDOMCString::assign(WebDOMCStringPrivate* p)
{
// Take care to handle the case where m_private == p
if (p)
p->ref();
if (m_private)
m_private->deref();
m_private = p;
}
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