/**************************************************************************** ** ** 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 Qt Assistant of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qhelpprojectdata_p.h" #include #include #include #include #include #include #include #include #include QT_BEGIN_NAMESPACE class QHelpProjectDataPrivate : public QXmlStreamReader { public: void readData(const QByteArray &contents); QString virtualFolder; QString namespaceName; QString rootPath; QStringList fileList; QList customFilterList; QList filterSectionList; QMap metaData; QString errorMsg; private: void readProject(); void readCustomFilter(); void readFilterSection(); void readTOC(); void readKeywords(); void readFiles(); void raiseUnknownTokenError(); void addMatchingFiles(const QString &pattern); bool hasValidSyntax(const QString &nameSpace, const QString &vFolder) const; QMap dirEntriesCache; }; void QHelpProjectDataPrivate::raiseUnknownTokenError() { raiseError(QCoreApplication::translate("QHelpProject", "Unknown token.")); } void QHelpProjectDataPrivate::readData(const QByteArray &contents) { addData(contents); while (!atEnd()) { readNext(); if (isStartElement()) { if (name() == QLatin1String("QtHelpProject") && attributes().value(QLatin1String("version")) == QLatin1String("1.0")) readProject(); else raiseError(QCoreApplication::translate("QHelpProject", "Unknown token. Expected \"QtHelpProject\"!")); } } if (hasError()) { raiseError(QCoreApplication::translate("QHelpProject", "Error in line %1: %2").arg(lineNumber()) .arg(errorString())); } } void QHelpProjectDataPrivate::readProject() { while (!atEnd()) { readNext(); if (isStartElement()) { if (name() == QLatin1String("virtualFolder")) { virtualFolder = readElementText(); if (!hasValidSyntax(QLatin1String("test"), virtualFolder)) raiseError(QCoreApplication::translate("QHelpProject", "Virtual folder has invalid syntax.")); } else if (name() == QLatin1String("namespace")) { namespaceName = readElementText(); if (!hasValidSyntax(namespaceName, QLatin1String("test"))) raiseError(QCoreApplication::translate("QHelpProject", "Namespace has invalid syntax.")); } else if (name() == QLatin1String("customFilter")) { readCustomFilter(); } else if (name() == QLatin1String("filterSection")) { readFilterSection(); } else if (name() == QLatin1String("metaData")) { QString n = attributes().value(QLatin1String("name")).toString(); if (!metaData.contains(n)) metaData[n] = attributes().value(QLatin1String("value")).toString(); else metaData.insert(n, attributes(). value(QLatin1String("value")).toString()); } else { raiseUnknownTokenError(); } } else if (isEndElement() && name() == QLatin1String("QtHelpProject")) { if (namespaceName.isEmpty()) raiseError(QCoreApplication::translate("QHelpProject", "Missing namespace in QtHelpProject.")); else if (virtualFolder.isEmpty()) raiseError(QCoreApplication::translate("QHelpProject", "Missing virtual folder in QtHelpProject")); break; } } } void QHelpProjectDataPrivate::readCustomFilter() { QHelpDataCustomFilter filter; filter.name = attributes().value(QLatin1String("name")).toString(); while (!atEnd()) { readNext(); if (isStartElement()) { if (name() == QLatin1String("filterAttribute")) filter.filterAttributes.append(readElementText()); else raiseUnknownTokenError(); } else if (isEndElement() && name() == QLatin1String("customFilter")) { break; } } customFilterList.append(filter); } void QHelpProjectDataPrivate::readFilterSection() { filterSectionList.append(QHelpDataFilterSection()); while (!atEnd()) { readNext(); if (isStartElement()) { if (name() == QLatin1String("filterAttribute")) filterSectionList.last().addFilterAttribute(readElementText()); else if (name() == QLatin1String("toc")) readTOC(); else if (name() == QLatin1String("keywords")) readKeywords(); else if (name() == QLatin1String("files")) readFiles(); else raiseUnknownTokenError(); } else if (isEndElement() && name() == QLatin1String("filterSection")) { break; } } } void QHelpProjectDataPrivate::readTOC() { QStack contentStack; QHelpDataContentItem *itm = 0; while (!atEnd()) { readNext(); if (isStartElement()) { if (name() == QLatin1String("section")) { QString title = attributes().value(QLatin1String("title")).toString(); QString ref = attributes().value(QLatin1String("ref")).toString(); if (contentStack.isEmpty()) { itm = new QHelpDataContentItem(0, title, ref); filterSectionList.last().addContent(itm); } else { itm = new QHelpDataContentItem(contentStack.top(), title, ref); } contentStack.push(itm); } else { raiseUnknownTokenError(); } } else if (isEndElement()) { if (name() == QLatin1String("section")) { contentStack.pop(); continue; } else if (name() == QLatin1String("toc") && contentStack.isEmpty()) { break; } else { raiseUnknownTokenError(); } } } } void QHelpProjectDataPrivate::readKeywords() { while (!atEnd()) { readNext(); if (isStartElement()) { if (name() == QLatin1String("keyword")) { if (attributes().value(QLatin1String("ref")).toString().isEmpty() || (attributes().value(QLatin1String("name")).toString().isEmpty() && attributes().value(QLatin1String("id")).toString().isEmpty())) raiseError(QCoreApplication::translate("QHelpProject", "Missing attribute in keyword at line %1.") .arg(lineNumber())); filterSectionList.last() .addIndex(QHelpDataIndexItem(attributes(). value(QLatin1String("name")).toString(), attributes().value(QLatin1String("id")).toString(), attributes().value(QLatin1String("ref")).toString())); } else { raiseUnknownTokenError(); } } else if (isEndElement()) { if (name() == QLatin1String("keyword")) continue; else if (name() == QLatin1String("keywords")) break; else raiseUnknownTokenError(); } } } void QHelpProjectDataPrivate::readFiles() { while (!atEnd()) { readNext(); if (isStartElement()) { if (name() == QLatin1String("file")) addMatchingFiles(readElementText()); else raiseUnknownTokenError(); } else if (isEndElement()) { if (name() == QLatin1String("file")) continue; else if (name() == QLatin1String("files")) break; else raiseUnknownTokenError(); } } } // Expand file pattern and add matches into list. If the pattern does not match // any files, insert the pattern itself so the QHelpGenerator will emit a // meaningful warning later. void QHelpProjectDataPrivate::addMatchingFiles(const QString &pattern) { // The pattern matching is expensive, so we skip it if no // wildcard symbols occur in the string. if (!pattern.contains('?') && !pattern.contains('*') && !pattern.contains('[') && !pattern.contains(']')) { filterSectionList.last().addFile(pattern); return; } QFileInfo fileInfo(rootPath + '/' + pattern); const QDir &dir = fileInfo.dir(); const QString &path = dir.canonicalPath(); // QDir::entryList() is expensive, so we cache the results. QMap::ConstIterator it = dirEntriesCache.find(path); const QStringList &entries = it != dirEntriesCache.constEnd() ? it.value() : dir.entryList(QDir::Files); if (it == dirEntriesCache.constEnd()) dirEntriesCache.insert(path, entries); bool matchFound = false; #ifdef Q_OS_WIN Qt::CaseSensitivity cs = Qt::CaseInsensitive; #else Qt::CaseSensitivity cs = Qt::CaseSensitive; #endif QRegExp regExp(fileInfo.fileName(), cs, QRegExp::Wildcard); foreach (const QString &file, entries) { if (regExp.exactMatch(file)) { matchFound = true; filterSectionList.last(). addFile(QFileInfo(pattern).dir().path() + '/' + file); } } if (!matchFound) filterSectionList.last().addFile(pattern); } bool QHelpProjectDataPrivate::hasValidSyntax(const QString &nameSpace, const QString &vFolder) const { const QLatin1Char slash('/'); if (nameSpace.contains(slash) || vFolder.contains(slash)) return false; QUrl url; const QLatin1String scheme("qthelp"); url.setScheme(scheme); url.setHost(nameSpace); url.setPath(vFolder); const QString expectedUrl(scheme + QLatin1String("://") + nameSpace + slash + vFolder); return url.isValid() && url.toString() == expectedUrl; } /*! \internal \class QHelpProjectData \since 4.4 \brief The QHelpProjectData class stores all information found in a Qt help project file. The structure is filled with data by calling readData(). The specified file has to have the Qt help project file format in order to be read successfully. Possible reading errors can be retrieved by calling errorMessage(). */ /*! Constructs a Qt help project data structure. */ QHelpProjectData::QHelpProjectData() { d = new QHelpProjectDataPrivate; } /*! Destroys the help project data. */ QHelpProjectData::~QHelpProjectData() { delete d; } /*! Reads the file \a fileName and stores the help data. The file has to have the Qt help project file format. Returns true if the file was successfully read, otherwise false. \sa errorMessage() */ bool QHelpProjectData::readData(const QString &fileName) { d->rootPath = QFileInfo(fileName).absolutePath(); QFile file(fileName); if (!file.open(QIODevice::ReadOnly)) { d->errorMsg = QCoreApplication::translate("QHelpProject", "The input file %1 could not be opened!").arg(fileName); return false; } d->readData(file.readAll()); return !d->hasError(); } /*! Returns an error message if the reading of the Qt help project file failed. Otherwise, an empty QString is returned. \sa readData() */ QString QHelpProjectData::errorMessage() const { if (d->hasError()) return d->errorString(); return d->errorMsg; } /*! \internal */ QString QHelpProjectData::namespaceName() const { return d->namespaceName; } /*! \internal */ QString QHelpProjectData::virtualFolder() const { return d->virtualFolder; } /*! \internal */ QList QHelpProjectData::customFilters() const { return d->customFilterList; } /*! \internal */ QList QHelpProjectData::filterSections() const { return d->filterSectionList; } /*! \internal */ QMap QHelpProjectData::metaData() const { return d->metaData; } /*! \internal */ QString QHelpProjectData::rootPath() const { return d->rootPath; } QT_END_NAMESPACE