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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "textcodec.h"
#include "qtcassert.h"
#include <QTextCodec>
namespace Utils {
TextCodec::TextCodec() = default;
TextCodec::TextCodec(QTextCodec *codec)
: m_codec(codec)
{}
QByteArray TextCodec::name() const
{
return m_codec ? m_codec->name() : QByteArray();
}
QString TextCodec::displayName() const
{
return m_codec ? QString::fromLatin1(m_codec->name()) : QString("Null codec");
}
QString TextCodec::fullDisplayName() const
{
QString compoundName = displayName();
if (m_codec) {
for (const QByteArray &alias : m_codec->aliases()) {
compoundName += QLatin1String(" / ");
compoundName += QString::fromLatin1(alias);
}
}
return compoundName;
}
bool TextCodec::isValid() const
{
return m_codec;
}
int TextCodec::mibEnum() const
{
return m_codec ? m_codec->mibEnum() : -1;
}
TextCodec TextCodec::codecForLocale()
{
if (QTextCodec *codec = QTextCodec::codecForLocale())
return TextCodec(codec);
QTC_CHECK(false);
return {};
}
bool TextCodec::isUtf8() const
{
return m_codec && m_codec->name() == "UTF-8";
}
bool TextCodec::isUtf8Codec(const QByteArray &name)
{
static const auto utf8Codecs = []() -> QList<QByteArray> {
const TextCodec codec = TextCodec::utf8();
if (QTC_GUARD(codec.isValid()))
return QList<QByteArray>{codec.name()} + codec.m_codec->aliases();
return {"UTF-8"};
}();
return utf8Codecs.contains(name);
}
QList<int> TextCodec::availableMibs()
{
return QTextCodec::availableMibs();
}
QList<QByteArray> TextCodec::availableCodecs()
{
return QTextCodec::availableCodecs();
}
TextCodec TextCodec::utf8()
{
static TextCodec theUtf8Codec(QTextCodec::codecForName("UTF-8"));
return theUtf8Codec;
}
TextCodec TextCodec::utf16()
{
static TextCodec theUtf16Codec(QTextCodec::codecForName("UTF-16"));
return theUtf16Codec;
}
TextCodec TextCodec::utf32()
{
static TextCodec theUtf32Codec(QTextCodec::codecForName("UTF-32"));
return theUtf32Codec;
}
TextCodec TextCodec::latin1()
{
static TextCodec theLatin1Codec(QTextCodec::codecForName("latin1"));
return theLatin1Codec;
}
void TextCodec::setCodecForLocale(const QByteArray &codecName)
{
QTextCodec::setCodecForLocale(QTextCodec::codecForName(codecName));
}
QByteArray TextCodec::fromUnicode(QStringView data) const
{
if (m_codec)
return m_codec->fromUnicode(data);
QTC_CHECK(false);
return {};
}
QString TextCodec::toUnicode(const QByteArray &data) const
{
if (m_codec)
return m_codec->toUnicode(data);
QTC_CHECK(false);
return {};
}
QString TextCodec::toUnicode(QByteArrayView data) const
{
if (m_codec)
return m_codec->toUnicode(data.constData(), data.size());
QTC_CHECK(false);
return {};
}
QString TextCodec::toUnicode(const char *data, int size, ConverterState *state) const
{
if (m_codec)
return m_codec->toUnicode(data, size, state);
QTC_CHECK(false);
return {};
}
bool TextCodec::canEncode(QStringView data) const
{
return m_codec && m_codec->canEncode(data);
}
TextCodec TextCodec::codecForName(const QByteArray &codecName)
{
return TextCodec(QTextCodec::codecForName(codecName));
}
TextCodec TextCodec::codecForMib(int mib)
{
return TextCodec(QTextCodec::codecForMib(mib));
}
bool operator==(const TextCodec &left, const TextCodec &right)
{
return left.m_codec == right.m_codec;
}
} // namespace Utils
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