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encoding.cpp
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encoding.cpp
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/*
This file is part of the PhantomJS project from Ofi Labs.
Copyright (C) 2011 Ariya Hidayat <[email protected]>
Copyright (C) 2011 execjosh, http://execjosh.blogspot.com
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 the <organization> 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 <COPYRIGHT HOLDER> 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 "encoding.h"
Encoding::Encoding()
{
QTextCodec* codec = QTextCodec::codecForName(DEFAULT_CODEC_NAME);
// Fall back to locale codec
if (!codec) {
codec = QTextCodec::codecForLocale();
}
m_codec = codec;
}
Encoding::Encoding(const QString& encoding)
{
setEncoding(encoding);
}
Encoding::~Encoding()
{
if (m_codec) {
// TODO: Encoding class does not inherit QObject, so
// we have to nullifyt m_codec member manually;
m_codec = Q_NULLPTR;
}
}
QString Encoding::decode(const QByteArray& bytes) const
{
return getCodec()->toUnicode(bytes);
}
QByteArray Encoding::encode(const QString& string) const
{
return getCodec()->fromUnicode(string);
}
QString Encoding::getName() const
{
// TODO Is it safe to assume UTF-8 here?
return QString::fromUtf8(getCodec()->name());
}
void Encoding::setEncoding(const QString& encoding)
{
if (!encoding.isEmpty()) {
QTextCodec* codec = QTextCodec::codecForName(encoding.toLatin1());
if (codec) {
m_codec = codec;
}
}
}
const Encoding Encoding::UTF8 = Encoding("UTF-8");
// private:
QTextCodec* Encoding::getCodec() const
{
QTextCodec* codec = m_codec;
if (!codec) {
codec = QTextCodec::codecForLocale();
}
return codec;
}
const QByteArray Encoding::DEFAULT_CODEC_NAME = "UTF-8";