diff -r cfcbf08528c4 -r 2b40d63a9c3d qtmobility/src/versit/qversitreader_p.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/qtmobility/src/versit/qversitreader_p.h Fri Apr 16 15:51:22 2010 +0300 @@ -0,0 +1,216 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#ifndef QVERSITREADER_P_H +#define QVERSITREADER_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qmobilityglobal.h" +#include "qversitreader.h" +#include "qversitdocument.h" +#include "qversitproperty.h" +#include "versitutils_p.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +QTM_BEGIN_NAMESPACE + +// The maximum number of bytes allowed to stay in memory after being read. The smaller this is, +// the more time spent moving bytes around. The larger it is, the more memory is wasted. +static const int MAX_OLD_BYTES_TO_KEEP = 8192; + +class Q_AUTOTEST_EXPORT VersitCursor +{ +public: + VersitCursor() : position(-1), selection(-1) {} + explicit VersitCursor(const QByteArray& d) :data(d), position(0), selection(0) {} + QByteArray data; + int position; + int selection; + + void setData(const QByteArray& d) {data = d; position = selection = 0;} + void setPosition(int pos) {position = pos; selection = qMax(pos, selection);} + void setSelection(int pos) {selection = qMax(pos, position);} + void dropOldData() + { + if (position > MAX_OLD_BYTES_TO_KEEP && selection >= position) { + data.remove(0, position); + selection -= position; + position = 0; + } + } +}; + +class Q_AUTOTEST_EXPORT LineReader +{ +public: + LineReader(QIODevice* device, QTextCodec* codec, int chunkSize = 1000); + VersitCursor readLine(); + int odometer(); + bool atEnd(); + QTextCodec* codec(); + +private: + bool tryReadLine(VersitCursor& cursor, bool atEnd); + + QIODevice* mDevice; + QTextCodec* mCodec; + int mChunkSize; // How many bytes to read in one go. + QList mCrlfList; + VersitCursor mBuffer; + int mOdometer; + int mSearchFrom; +}; + +class Q_AUTOTEST_EXPORT QVersitReaderPrivate : public QThread +{ + Q_OBJECT + +public: // Constructors and destructor + QVersitReaderPrivate(); + ~QVersitReaderPrivate(); + +signals: + void stateChanged(QVersitReader::State state); + void resultsAvailable(QList& results); + +protected: // From QThread + void run(); + +public: // New functions + void read(); + + // mutexed getters and setters. + void setState(QVersitReader::State); + QVersitReader::State state() const; + void setError(QVersitReader::Error); + QVersitReader::Error error() const; + void setCanceling(bool cancelling); + bool isCanceling(); + + bool parseVersitDocument(LineReader& device, + QVersitDocument& document, + bool foundBegin = false); + + QVersitProperty parseNextVersitProperty( + QVersitDocument::VersitType versitType, + LineReader& lineReader); + + void parseVCard21Property( + VersitCursor& text, + QVersitProperty& property, + LineReader& lineReader); + + void parseVCard30Property( + VersitCursor& text, + QVersitProperty& property, + LineReader& lineReader); + + bool setVersionFromProperty( + QVersitDocument& document, + const QVersitProperty& property) const; + + void unencode( + QVariant& value, + VersitCursor& cursor, + QVersitProperty& property, + QTextCodec* codec, + LineReader& lineReader) const; + + QString decodeCharset( + const QByteArray& value, + QVersitProperty& property, + QTextCodec* defaultCodec, + QTextCodec** codec) const; + + void decodeQuotedPrintable(QString& text) const; + + /* These functions operate on a cursor describing a single line */ + QPair extractPropertyGroupsAndName(VersitCursor& line, QTextCodec* codec) + const; + QByteArray extractPropertyValue(VersitCursor& line) const; + QMultiHash extractVCard21PropertyParams(VersitCursor& line, QTextCodec* codec) + const; + QMultiHash extractVCard30PropertyParams(VersitCursor& line, QTextCodec* codec) + const; + + // "Private" functions + QList extractParams(VersitCursor& line, QTextCodec *codec) const; + QList extractParts(const QByteArray& text, const QByteArray& separator, + QTextCodec *codec) const; + QByteArray extractPart(const QByteArray& text, int startPosition, int length=-1) const; + QString paramName(const QByteArray& parameter, QTextCodec* codec) const; + QString paramValue(const QByteArray& parameter, QTextCodec* codec) const; + static bool containsAt(const QByteArray& text, const QByteArray& ba, int index); + +public: // Data + QPointer mIoDevice; + QList mVersitDocuments; + int mDocumentNestingLevel; // Depth in parsing nested Versit documents + QTextCodec* mDefaultCodec; + QVersitReader::State mState; + QVersitReader::Error mError; + bool mIsCanceling; + mutable QMutex mMutex; +}; + +QTM_END_NAMESPACE + +#endif // QVERSITREADER_P_H