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Diffstat (limited to 'qtinterface/tqt4/Qt/qtextcodec.h')
| -rw-r--r-- | qtinterface/tqt4/Qt/qtextcodec.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/qtinterface/tqt4/Qt/qtextcodec.h b/qtinterface/tqt4/Qt/qtextcodec.h new file mode 100644 index 0000000..100b50c --- /dev/null +++ b/qtinterface/tqt4/Qt/qtextcodec.h @@ -0,0 +1,205 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTEXTCODEC_H +#define QTEXTCODEC_H + +#include <QtCore/qstring.h> +#include <QtCore/qlist.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +#ifndef QT_NO_TEXTCODEC + +class QTextCodec; +class QIODevice; + +class QTextDecoder; +class QTextEncoder; + +class Q_CORE_EXPORT QTextCodec +{ + Q_DISABLE_COPY(QTextCodec) +public: + static QTextCodec* codecForName(const QByteArray &name); + static QTextCodec* codecForName(const char *name) { return codecForName(QByteArray(name)); } + static QTextCodec* codecForMib(int mib); + + static QList<QByteArray> availableCodecs(); + static QList<int> availableMibs(); + + static QTextCodec* codecForLocale(); + static void setCodecForLocale(QTextCodec *c); + + static QTextCodec* codecForTr(); + static void setCodecForTr(QTextCodec *c); + + static QTextCodec* codecForCStrings(); + static void setCodecForCStrings(QTextCodec *c); + + static QTextCodec *codecForHtml(const QByteArray &ba); + static QTextCodec *codecForHtml(const QByteArray &ba, QTextCodec *defaultCodec); + + static QTextCodec *codecForUtfText(const QByteArray &ba); + static QTextCodec *codecForUtfText(const QByteArray &ba, QTextCodec *defaultCodec); + + QTextDecoder* makeDecoder() const; + QTextEncoder* makeEncoder() const; + + bool canEncode(QChar) const; + bool canEncode(const QString&) const; + + QString toUnicode(const QByteArray&) const; + QString toUnicode(const char* chars) const; + QByteArray fromUnicode(const QString& uc) const; + enum ConversionFlag { + DefaultConversion, + ConvertInvalidToNull = 0x80000000, + IgnoreHeader = 0x1, + FreeFunction = 0x2 + }; + Q_DECLARE_FLAGS(ConversionFlags, ConversionFlag) + + struct Q_CORE_EXPORT ConverterState { + ConverterState(ConversionFlags f = DefaultConversion) + : flags(f), remainingChars(0), invalidChars(0), d(0) { state_data[0] = state_data[1] = state_data[2] = 0; } + ~ConverterState(); + ConversionFlags flags; + int remainingChars; + int invalidChars; + uint state_data[3]; + void *d; + private: + Q_DISABLE_COPY(ConverterState) + }; + + QString toUnicode(const char *in, int length, ConverterState *state = 0) const + { return convertToUnicode(in, length, state); } + QByteArray fromUnicode(const QChar *in, int length, ConverterState *state = 0) const + { return convertFromUnicode(in, length, state); } + + virtual QByteArray name() const = 0; + virtual QList<QByteArray> aliases() const; + virtual int mibEnum() const = 0; + virtual int heuristicNameMatch(const char* hint) const; + +#ifndef QT_NO_CODECS + static QTextCodec* loadCharmap(QIODevice*); + static QTextCodec* loadCharmapFile(QString filename); +#endif //QT_NO_CODECS + +protected: + virtual QString convertToUnicode(const char *in, int length, ConverterState *state) const = 0; + virtual QByteArray convertFromUnicode(const QChar *in, int length, ConverterState *state) const = 0; + + static int simpleHeuristicNameMatch(const char* name, const char* hint); + + QTextCodec(); + virtual ~QTextCodec(); + +public: +#ifdef QT3_SUPPORT + static QT3_SUPPORT QTextCodec* codecForContent(const char*, int) { return 0; } + static QT3_SUPPORT const char* locale(); + static QT3_SUPPORT QTextCodec* codecForName(const char* hint, int) { return codecForName(QByteArray(hint)); } + QT3_SUPPORT QByteArray fromUnicode(const QString& uc, int& lenInOut) const; + QT3_SUPPORT QString toUnicode(const QByteArray&, int len) const; + QT3_SUPPORT QByteArray mimeName() const { return name(); } + static QT3_SUPPORT QTextCodec *codecForIndex(int i) { return codecForName(availableCodecs().value(i)); } +#endif + +private: + friend class QTextCodecCleanup; + static QTextCodec *cftr; +}; +Q_DECLARE_OPERATORS_FOR_FLAGS(QTextCodec::ConversionFlags) + +inline QTextCodec* QTextCodec::codecForTr() { return cftr; } +inline void QTextCodec::setCodecForTr(QTextCodec *c) { cftr = c; } +inline QTextCodec* QTextCodec::codecForCStrings() { return QString::codecForCStrings; } +inline void QTextCodec::setCodecForCStrings(QTextCodec *c) { QString::codecForCStrings = c; } + +class Q_CORE_EXPORT QTextEncoder { + Q_DISABLE_COPY(QTextEncoder) +public: + explicit QTextEncoder(const QTextCodec *codec) : c(codec), state() {} + ~QTextEncoder(); + QByteArray fromUnicode(const QString& str); + QByteArray fromUnicode(const QChar *uc, int len); +#ifdef QT3_SUPPORT + QT3_SUPPORT QByteArray fromUnicode(const QString& uc, int& lenInOut); +#endif + bool hasFailure() const; +private: + const QTextCodec *c; + QTextCodec::ConverterState state; + + friend class QXmlStreamWriter; + friend class QXmlStreamWriterPrivate; + friend class QCoreXmlStreamWriter; + friend class QCoreXmlStreamWriterPrivate; +}; + +class Q_CORE_EXPORT QTextDecoder { + Q_DISABLE_COPY(QTextDecoder) +public: + explicit QTextDecoder(const QTextCodec *codec) : c(codec), state() {} + ~QTextDecoder(); + QString toUnicode(const char* chars, int len); + QString toUnicode(const QByteArray &ba); + void toUnicode(QString *target, const char *chars, int len); + bool hasFailure() const; +private: + const QTextCodec *c; + QTextCodec::ConverterState state; +}; + +#endif // QT_NO_TEXTCODEC + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QTEXTCODEC_H |