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Diffstat (limited to 'src/assistant/lib/qhelpgenerator.cpp')
| -rw-r--r-- | src/assistant/lib/qhelpgenerator.cpp | 909 |
1 files changed, 909 insertions, 0 deletions
diff --git a/src/assistant/lib/qhelpgenerator.cpp b/src/assistant/lib/qhelpgenerator.cpp new file mode 100644 index 000000000..ce9c8562d --- /dev/null +++ b/src/assistant/lib/qhelpgenerator.cpp @@ -0,0 +1,909 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 "qhelpgenerator_p.h" +#include "qhelpdatainterface_p.h" + +#include <math.h> +#include <QtCore/QFile> +#include <QtCore/QFileInfo> +#include <QtCore/QDir> +#include <QtCore/QDebug> +#include <QtCore/QSet> +#include <QtCore/QVariant> +#include <QtCore/QDateTime> +#include <QtCore/QTextCodec> +#include <QtSql/QSqlQuery> + +QT_BEGIN_NAMESPACE + +class QHelpGeneratorPrivate +{ +public: + QHelpGeneratorPrivate(); + ~QHelpGeneratorPrivate(); + + QString error; + QSqlQuery *query; + + int namespaceId; + int virtualFolderId; + + QMap<QString, int> fileMap; + QMap<int, QSet<int> > fileFilterMap; + + double progress; + double oldProgress; + double contentStep; + double fileStep; + double indexStep; +}; + +QHelpGeneratorPrivate::QHelpGeneratorPrivate() +{ + query = 0; + namespaceId = -1; + virtualFolderId = -1; +} + +QHelpGeneratorPrivate::~QHelpGeneratorPrivate() +{ +} + + + +/*! + \internal + \class QHelpGenerator + \since 4.4 + \brief The QHelpGenerator class generates a new + Qt compressed help file (.qch). + + The help generator takes a help data structure as + input for generating a new Qt compressed help files. Since + the generation may takes some time, the generator emits + various signals to inform about its current state. +*/ + +/*! + \fn void QHelpGenerator::statusChanged(const QString &msg) + + This signal is emitted when the generation status changes. + The status is basically a specific task like inserting + files or building up the keyword index. The parameter + \a msg contains the detailed status description. +*/ + +/*! + \fn void QHelpGenerator::progressChanged(double progress) + + This signal is emitted when the progress changes. The + \a progress ranges from 0 to 100. +*/ + +/*! + \fn void QHelpGenerator::warning(const QString &msg) + + This signal is emitted when a non critical error occurs, + e.g. when a referenced file cannot be found. \a msg + contains the exact warning message. +*/ + +/*! + Constructs a new help generator with the give \a parent. +*/ +QHelpGenerator::QHelpGenerator(QObject *parent) + : QObject(parent) +{ + d = new QHelpGeneratorPrivate; +} + +/*! + Destructs the help generator. +*/ +QHelpGenerator::~QHelpGenerator() +{ + delete d; +} + +/*! + Takes the \a helpData and generates a new documentation + set from it. The Qt compressed help file is written to \a + outputFileName. Returns true on success, otherwise false. +*/ +bool QHelpGenerator::generate(QHelpDataInterface *helpData, + const QString &outputFileName) +{ + emit progressChanged(0); + d->error.clear(); + if (!helpData || helpData->namespaceName().isEmpty()) { + d->error = tr("Invalid help data!"); + return false; + } + + QString outFileName = outputFileName; + if (outFileName.isEmpty()) { + d->error = tr("No output file name specified!"); + return false; + } + + QFileInfo fi(outFileName); + if (fi.exists()) { + if (!fi.dir().remove(fi.fileName())) { + d->error = tr("The file %1 cannot be overwritten!").arg(outFileName); + return false; + } + } + + setupProgress(helpData); + + emit statusChanged(tr("Building up file structure...")); + bool openingOk = true; + { + QSqlDatabase db = QSqlDatabase::addDatabase(QLatin1String("QSQLITE"), QLatin1String("builder")); + db.setDatabaseName(outFileName); + openingOk = db.open(); + if (openingOk) + d->query = new QSqlQuery(db); + } + + if (!openingOk) { + d->error = tr("Cannot open data base file %1!").arg(outFileName); + cleanupDB(); + return false; + } + + d->query->exec(QLatin1String("PRAGMA synchronous=OFF")); + d->query->exec(QLatin1String("PRAGMA cache_size=3000")); + + addProgress(1.0); + createTables(); + insertFileNotFoundFile(); + insertMetaData(helpData->metaData()); + + if (!registerVirtualFolder(helpData->virtualFolder(), helpData->namespaceName())) { + d->error = tr("Cannot register namespace %1!").arg(helpData->namespaceName()); + cleanupDB(); + return false; + } + addProgress(1.0); + + emit statusChanged(tr("Insert custom filters...")); + foreach (const QHelpDataCustomFilter &f, helpData->customFilters()) { + if (!registerCustomFilter(f.name, f.filterAttributes, true)) { + cleanupDB(); + return false; + } + } + addProgress(1.0); + + int i = 1; + QList<QHelpDataFilterSection>::const_iterator it = helpData->filterSections().constBegin(); + while (it != helpData->filterSections().constEnd()) { + emit statusChanged(tr("Insert help data for filter section (%1 of %2)...") + .arg(i++).arg(helpData->filterSections().count())); + insertFilterAttributes((*it).filterAttributes()); + QByteArray ba; + QDataStream s(&ba, QIODevice::WriteOnly); + foreach (QHelpDataContentItem *itm, (*it).contents()) + writeTree(s, itm, 0); + if (!insertFiles((*it).files(), helpData->rootPath(), (*it).filterAttributes()) + || !insertContents(ba, (*it).filterAttributes()) + || !insertKeywords((*it).indices(), (*it).filterAttributes())) { + cleanupDB(); + return false; + } + ++it; + } + + cleanupDB(); + emit progressChanged(100); + emit statusChanged(tr("Documentation successfully generated.")); + return true; +} + +void QHelpGenerator::setupProgress(QHelpDataInterface *helpData) +{ + d->progress = 0; + d->oldProgress = 0; + + int numberOfFiles = 0; + int numberOfIndices = 0; + QList<QHelpDataFilterSection>::const_iterator it = helpData->filterSections().constBegin(); + while (it != helpData->filterSections().constEnd()) { + numberOfFiles += (*it).files().count(); + numberOfIndices += (*it).indices().count(); + ++it; + } + // init 2% + // filters 1% + // contents 10% + // files 60% + // indices 27% + d->contentStep = 10.0/(double)helpData->customFilters().count(); + d->fileStep = 60.0/(double)numberOfFiles; + d->indexStep = 27.0/(double)numberOfIndices; +} + +void QHelpGenerator::addProgress(double step) +{ + d->progress += step; + if ((d->progress-d->oldProgress) >= 1.0 && d->progress <= 100.0) { + d->oldProgress = d->progress; + emit progressChanged(ceil(d->progress)); + } +} + +void QHelpGenerator::cleanupDB() +{ + if (d->query) { + d->query->clear(); + delete d->query; + d->query = 0; + } + QSqlDatabase::removeDatabase(QLatin1String("builder")); +} + +void QHelpGenerator::writeTree(QDataStream &s, QHelpDataContentItem *item, int depth) +{ + QString fReference = QDir::cleanPath(item->reference()); + if (fReference.startsWith(QLatin1String("./"))) + fReference = fReference.mid(2); + + s << depth; + s << fReference; + s << item->title(); + foreach (QHelpDataContentItem *i, item->children()) + writeTree(s, i, depth+1); +} + +/*! + Returns the last error message. +*/ +QString QHelpGenerator::error() const +{ + return d->error; +} + +bool QHelpGenerator::createTables() +{ + if (!d->query) + return false; + + d->query->exec(QLatin1String("SELECT COUNT(*) FROM sqlite_master WHERE TYPE=\'table\'" + "AND Name=\'NamespaceTable\'")); + d->query->next(); + if (d->query->value(0).toInt() > 0) { + d->error = tr("Some tables already exist!"); + return false; + } + + QStringList tables; + tables << QLatin1String("CREATE TABLE NamespaceTable (" + "Id INTEGER PRIMARY KEY," + "Name TEXT )") + << QLatin1String("CREATE TABLE FilterAttributeTable (" + "Id INTEGER PRIMARY KEY, " + "Name TEXT )") + << QLatin1String("CREATE TABLE FilterNameTable (" + "Id INTEGER PRIMARY KEY, " + "Name TEXT )") + << QLatin1String("CREATE TABLE FilterTable (" + "NameId INTEGER, " + "FilterAttributeId INTEGER )") + << QLatin1String("CREATE TABLE IndexTable (" + "Id INTEGER PRIMARY KEY, " + "Name TEXT, " + "Identifier TEXT, " + "NamespaceId INTEGER, " + "FileId INTEGER, " + "Anchor TEXT )") + << QLatin1String("CREATE TABLE IndexItemTable (" + "Id INTEGER, " + "IndexId INTEGER )") + << QLatin1String("CREATE TABLE IndexFilterTable (" + "FilterAttributeId INTEGER, " + "IndexId INTEGER )") + << QLatin1String("CREATE TABLE ContentsTable (" + "Id INTEGER PRIMARY KEY, " + "NamespaceId INTEGER, " + "Data BLOB )") + << QLatin1String("CREATE TABLE ContentsFilterTable (" + "FilterAttributeId INTEGER, " + "ContentsId INTEGER )") + << QLatin1String("CREATE TABLE FileAttributeSetTable (" + "Id INTEGER, " + "FilterAttributeId INTEGER )") + << QLatin1String("CREATE TABLE FileDataTable (" + "Id INTEGER PRIMARY KEY, " + "Data BLOB )") + << QLatin1String("CREATE TABLE FileFilterTable (" + "FilterAttributeId INTEGER, " + "FileId INTEGER )") + << QLatin1String("CREATE TABLE FileNameTable (" + "FolderId INTEGER, " + "Name TEXT, " + "FileId INTEGER, " + "Title TEXT )") + << QLatin1String("CREATE TABLE FolderTable(" + "Id INTEGER PRIMARY KEY, " + "Name Text, " + "NamespaceID INTEGER )") + << QLatin1String("CREATE TABLE MetaDataTable(" + "Name Text, " + "Value BLOB )"); + + foreach (const QString &q, tables) { + if (!d->query->exec(q)) { + d->error = tr("Cannot create tables!"); + return false; + } + } + + d->query->exec(QLatin1String("INSERT INTO MetaDataTable VALUES('qchVersion', '1.0')")); + + d->query->prepare(QLatin1String("INSERT INTO MetaDataTable VALUES('CreationDate', ?)")); + d->query->bindValue(0, QDateTime::currentDateTime().toString(Qt::ISODate)); + d->query->exec(); + + return true; +} + +bool QHelpGenerator::insertFileNotFoundFile() +{ + if (!d->query) + return false; + + d->query->exec(QLatin1String("SELECT id FROM FileNameTable WHERE Name=\'\'")); + if (d->query->next() && d->query->isValid()) + return true; + + d->query->prepare(QLatin1String("INSERT INTO FileDataTable VALUES (Null, ?)")); + d->query->bindValue(0, QByteArray()); + if (!d->query->exec()) + return false; + + int fileId = d->query->lastInsertId().toInt(); + d->query->prepare(QLatin1String("INSERT INTO FileNameTable (FolderId, Name, FileId, Title) " + " VALUES (0, '', ?, '')")); + d->query->bindValue(0, fileId); + if (fileId > -1 && d->query->exec()) { + d->fileMap.insert(QString(), fileId); + return true; + } + return false; +} + +bool QHelpGenerator::registerVirtualFolder(const QString &folderName, const QString &ns) +{ + if (!d->query || folderName.isEmpty() || ns.isEmpty()) + return false; + + d->query->prepare(QLatin1String("SELECT Id FROM FolderTable WHERE Name=?")); + d->query->bindValue(0, folderName); + d->query->exec(); + d->query->next(); + if (d->query->isValid() && d->query->value(0).toInt() > 0) + return true; + + d->namespaceId = -1; + d->query->prepare(QLatin1String("SELECT Id FROM NamespaceTable WHERE Name=?")); + d->query->bindValue(0, ns); + d->query->exec(); + while (d->query->next()) { + d->namespaceId = d->query->value(0).toInt(); + break; + } + + if (d->namespaceId < 0) { + d->query->prepare(QLatin1String("INSERT INTO NamespaceTable VALUES(NULL, ?)")); + d->query->bindValue(0, ns); + if (d->query->exec()) + d->namespaceId = d->query->lastInsertId().toInt(); + } + + if (d->namespaceId > 0) { + d->query->prepare(QLatin1String("SELECT Id FROM FolderTable WHERE Name=?")); + d->query->bindValue(0, folderName); + d->query->exec(); + while (d->query->next()) + d->virtualFolderId = d->query->value(0).toInt(); + + if (d->virtualFolderId > 0) + return true; + + d->query->prepare(QLatin1String("INSERT INTO FolderTable (NamespaceId, Name) " + "VALUES (?, ?)")); + d->query->bindValue(0, d->namespaceId); + d->query->bindValue(1, folderName); + if (d->query->exec()) { + d->virtualFolderId = d->query->lastInsertId().toInt(); + return d->virtualFolderId > 0; + } + } + d->error = tr("Cannot register virtual folder!"); + return false; +} + +bool QHelpGenerator::insertFiles(const QStringList &files, const QString &rootPath, + const QStringList &filterAttributes) +{ + if (!d->query) + return false; + + emit statusChanged(tr("Insert files...")); + QList<int> filterAtts; + foreach (const QString &filterAtt, filterAttributes) { + d->query->prepare(QLatin1String("SELECT Id FROM FilterAttributeTable " + "WHERE Name=?")); + d->query->bindValue(0, filterAtt); + d->query->exec(); + if (d->query->next()) + filterAtts.append(d->query->value(0).toInt()); + } + + int filterSetId = -1; + d->query->exec(QLatin1String("SELECT MAX(Id) FROM FileAttributeSetTable")); + if (d->query->next()) + filterSetId = d->query->value(0).toInt(); + if (filterSetId < 0) + return false; + ++filterSetId; + foreach (const int &attId, filterAtts) { + d->query->prepare(QLatin1String("INSERT INTO FileAttributeSetTable " + "VALUES(?, ?)")); + d->query->bindValue(0, filterSetId); + d->query->bindValue(1, attId); + d->query->exec(); + } + + int tableFileId = 1; + d->query->exec(QLatin1String("SELECT MAX(Id) FROM FileDataTable")); + if (d->query->next()) + tableFileId = d->query->value(0).toInt() + 1; + + QString title; + QString charSet; + FileNameTableData fileNameData; + QList<QByteArray> fileDataList; + QMap<int, QSet<int> > tmpFileFilterMap; + QList<FileNameTableData> fileNameDataList; + + int i = 0; + foreach (const QString &file, files) { + const QString fileName = QDir::cleanPath(file); + if (fileName.startsWith(QLatin1String("../"))) { + emit warning(tr("The referenced file %1 must be inside or within a " + "subdirectory of (%2). Skipping it.").arg(fileName).arg(rootPath)); + continue; + } + + QFile fi(rootPath + QDir::separator() + fileName); + if (!fi.exists()) { + emit warning(tr("The file %1 does not exist! Skipping it.") + .arg(QDir::cleanPath(rootPath + QDir::separator() + fileName))); + continue; + } + + if (!fi.open(QIODevice::ReadOnly)) { + emit warning(tr("Cannot open file %1! Skipping it.") + .arg(QDir::cleanPath(rootPath + QDir::separator() + fileName))); + continue; + } + + QByteArray data = fi.readAll(); + if (fileName.endsWith(QLatin1String(".html")) + || fileName.endsWith(QLatin1String(".htm"))) { + charSet = QHelpGlobal::codecFromData(data); + QTextStream stream(&data); + stream.setCodec(QTextCodec::codecForName(charSet.toLatin1().constData())); + title = QHelpGlobal::documentTitle(stream.readAll()); + } else { + title = fileName.mid(fileName.lastIndexOf(QLatin1Char('/')) + 1); + } + + int fileId = -1; + QMap<QString, int>::Iterator fileMapIt = d->fileMap.find(fileName); + if (fileMapIt == d->fileMap.end()) { + fileDataList.append(qCompress(data)); + + fileNameData.name = fileName; + fileNameData.fileId = tableFileId; + fileNameData.title = title; + fileNameDataList.append(fileNameData); + + d->fileMap.insert(fileName, tableFileId); + d->fileFilterMap.insert(tableFileId, filterAtts.toSet()); + tmpFileFilterMap.insert(tableFileId, filterAtts.toSet()); + + ++tableFileId; + } else { + fileId = fileMapIt.value(); + QSet<int> &fileFilterSet = d->fileFilterMap[fileId]; + QSet<int> &tmpFileFilterSet = tmpFileFilterMap[fileId]; + foreach (const int &filter, filterAtts) { + if (!fileFilterSet.contains(filter) + && !tmpFileFilterSet.contains(filter)) { + fileFilterSet.insert(filter); + tmpFileFilterSet.insert(filter); + } + } + } + } + + if (!tmpFileFilterMap.isEmpty()) { + d->query->exec(QLatin1String("BEGIN")); + QMap<int, QSet<int> >::const_iterator it = tmpFileFilterMap.constBegin(); + while (it != tmpFileFilterMap.constEnd()) { + QSet<int>::const_iterator si = it.value().constBegin(); + while (si != it.value().constEnd()) { + d->query->prepare(QLatin1String("INSERT INTO FileFilterTable " + "VALUES(?, ?)")); + d->query->bindValue(0, *si); + d->query->bindValue(1, it.key()); + d->query->exec(); + ++si; + } + ++it; + } + + QList<QByteArray>::const_iterator fileIt = fileDataList.constBegin(); + while (fileIt != fileDataList.constEnd()) { + d->query->prepare(QLatin1String("INSERT INTO FileDataTable VALUES " + "(Null, ?)")); + d->query->bindValue(0, *fileIt); + d->query->exec(); + ++fileIt; + if (++i%20 == 0) + addProgress(d->fileStep*20.0); + } + + QList<FileNameTableData>::const_iterator fileNameIt = + fileNameDataList.constBegin(); + while (fileNameIt != fileNameDataList.constEnd()) { + d->query->prepare(QLatin1String("INSERT INTO FileNameTable " + "(FolderId, Name, FileId, Title) VALUES (?, ?, ?, ?)")); + d->query->bindValue(0, 1); + d->query->bindValue(1, (*fileNameIt).name); + d->query->bindValue(2, (*fileNameIt).fileId); + d->query->bindValue(3, (*fileNameIt).title); + d->query->exec(); + ++fileNameIt; + } + d->query->exec(QLatin1String("COMMIT")); + } + + d->query->exec(QLatin1String("SELECT MAX(Id) FROM FileDataTable")); + if (d->query->next() + && d->query->value(0).toInt() == tableFileId-1) { + addProgress(d->fileStep*(i%20)); + return true; + } + return false; +} + +bool QHelpGenerator::registerCustomFilter(const QString &filterName, + const QStringList &filterAttribs, bool forceUpdate) +{ + if (!d->query) + return false; + + d->query->exec(QLatin1String("SELECT Id, Name FROM FilterAttributeTable")); + QStringList idsToInsert = filterAttribs; + QMap<QString, int> attributeMap; + while (d->query->next()) { + attributeMap.insert(d->query->value(1).toString(), + d->query->value(0).toInt()); + idsToInsert.removeAll(d->query->value(1).toString()); + } + + foreach (const QString &id, idsToInsert) { + d->query->prepare(QLatin1String("INSERT INTO FilterAttributeTable VALUES(NULL, ?)")); + d->query->bindValue(0, id); + d->query->exec(); + attributeMap.insert(id, d->query->lastInsertId().toInt()); + } + + int nameId = -1; + d->query->prepare(QLatin1String("SELECT Id FROM FilterNameTable WHERE Name=?")); + d->query->bindValue(0, filterName); + d->query->exec(); + while (d->query->next()) { + nameId = d->query->value(0).toInt(); + break; + } + + if (nameId < 0) { + d->query->prepare(QLatin1String("INSERT INTO FilterNameTable VALUES(NULL, ?)")); + d->query->bindValue(0, filterName); + if (d->query->exec()) + nameId = d->query->lastInsertId().toInt(); + } else if (!forceUpdate) { + d->error = tr("The filter %1 is already registered!").arg(filterName); + return false; + } + + if (nameId < 0) { + d->error = tr("Cannot register filter %1!").arg(filterName); + return false; + } + + d->query->prepare(QLatin1String("DELETE FROM FilterTable WHERE NameId=?")); + d->query->bindValue(0, nameId); + d->query->exec(); + + foreach (const QString &att, filterAttribs) { + d->query->prepare(QLatin1String("INSERT INTO FilterTable VALUES(?, ?)")); + d->query->bindValue(0, nameId); + d->query->bindValue(1, attributeMap[att]); + if (!d->query->exec()) + return false; + } + return true; +} + +bool QHelpGenerator::insertKeywords(const QList<QHelpDataIndexItem> &keywords, + const QStringList &filterAttributes) +{ + if (!d->query) + return false; + + emit statusChanged(tr("Insert indices...")); + int indexId = 1; + d->query->exec(QLatin1String("SELECT MAX(Id) FROM IndexTable")); + if (d->query->next()) + indexId = d->query->value(0).toInt() + 1; + + QList<int> filterAtts; + foreach (const QString &filterAtt, filterAttributes) { + d->query->prepare(QLatin1String("SELECT Id FROM FilterAttributeTable WHERE Name=?")); + d->query->bindValue(0, filterAtt); + d->query->exec(); + if (d->query->next()) + filterAtts.append(d->query->value(0).toInt()); + } + + int pos = -1; + QString fileName; + QString anchor; + QString fName; + int fileId = 1; + QList<int> indexFilterTable; + + int i = 0; + d->query->exec(QLatin1String("BEGIN")); + QSet<QString> indices; + foreach (const QHelpDataIndexItem &itm, keywords) { + // Identical ids make no sense and just confuse the Assistant user, + // so we ignore all repetitions. + if (indices.contains(itm.identifier)) + continue; + + // Still empty ids should be ignored, as otherwise we will include only + // the first keyword with an empty id. + if (!itm.identifier.isEmpty()) + indices.insert(itm.identifier); + + pos = itm.reference.indexOf(QLatin1Char('#')); + fileName = itm.reference.left(pos); + if (pos > -1) + anchor = itm.reference.mid(pos+1); + else + anchor.clear(); + + fName = QDir::cleanPath(fileName); + if (fName.startsWith(QLatin1String("./"))) + fName = fName.mid(2); + + QMap<QString, int>::ConstIterator it = d->fileMap.find(fName); + if (it != d->fileMap.end()) + fileId = it.value(); + else + fileId = 1; + + d->query->prepare(QLatin1String("INSERT INTO IndexTable (Name, Identifier, NamespaceId, FileId, Anchor) " + "VALUES(?, ?, ?, ?, ?)")); + d->query->bindValue(0, itm.name); + d->query->bindValue(1, itm.identifier); + d->query->bindValue(2, d->namespaceId); + d->query->bindValue(3, fileId); + d->query->bindValue(4, anchor); + d->query->exec(); + + indexFilterTable.append(indexId++); + if (++i%100 == 0) + addProgress(d->indexStep*100.0); + } + d->query->exec(QLatin1String("COMMIT")); + + d->query->exec(QLatin1String("BEGIN")); + foreach (int idx, indexFilterTable) { + foreach (int a, filterAtts) { + d->query->prepare(QLatin1String("INSERT INTO IndexFilterTable (FilterAttributeId, IndexId) " + "VALUES(?, ?)")); + d->query->bindValue(0, a); + d->query->bindValue(1, idx); + d->query->exec(); + } + } + d->query->exec(QLatin1String("COMMIT")); + + d->query->exec(QLatin1String("SELECT COUNT(Id) FROM IndexTable")); + if (d->query->next() && d->query->value(0).toInt() >= indices.count()) + return true; + return false; +} + +bool QHelpGenerator::insertContents(const QByteArray &ba, + const QStringList &filterAttributes) +{ + if (!d->query) + return false; + + emit statusChanged(tr("Insert contents...")); + d->query->prepare(QLatin1String("INSERT INTO ContentsTable (NamespaceId, Data) " + "VALUES(?, ?)")); + d->query->bindValue(0, d->namespaceId); + d->query->bindValue(1, ba); + d->query->exec(); + int contentId = d->query->lastInsertId().toInt(); + if (contentId < 1) { + d->error = tr("Cannot insert contents!"); + return false; + } + + // associate the filter attributes + foreach (const QString &filterAtt, filterAttributes) { + d->query->prepare(QLatin1String("INSERT INTO ContentsFilterTable (FilterAttributeId, ContentsId) " + "SELECT Id, ? FROM FilterAttributeTable WHERE Name=?")); + d->query->bindValue(0, contentId); + d->query->bindValue(1, filterAtt); + d->query->exec(); + if (!d->query->isActive()) { + d->error = tr("Cannot register contents!"); + return false; + } + } + addProgress(d->contentStep); + return true; +} + +bool QHelpGenerator::insertFilterAttributes(const QStringList &attributes) +{ + if (!d->query) + return false; + + d->query->exec(QLatin1String("SELECT Name FROM FilterAttributeTable")); + QSet<QString> atts; + while (d->query->next()) + atts.insert(d->query->value(0).toString()); + + foreach (const QString &s, attributes) { + if (!atts.contains(s)) { + d->query->prepare(QLatin1String("INSERT INTO FilterAttributeTable VALUES(NULL, ?)")); + d->query->bindValue(0, s); + d->query->exec(); + } + } + return true; +} + +bool QHelpGenerator::insertMetaData(const QMap<QString, QVariant> &metaData) +{ + if (!d->query) + return false; + + QMap<QString, QVariant>::const_iterator it = metaData.constBegin(); + while (it != metaData.constEnd()) { + d->query->prepare(QLatin1String("INSERT INTO MetaDataTable VALUES(?, ?)")); + d->query->bindValue(0, it.key()); + d->query->bindValue(1, it.value()); + d->query->exec(); + ++it; + } + return true; +} + +bool QHelpGenerator::checkLinks(const QHelpDataInterface &helpData) +{ + /* + * Step 1: Gather the canoncal file paths of all files in the project. + * We use a set, because there will be a lot of look-ups. + */ + QSet<QString> files; + foreach (const QHelpDataFilterSection &filterSection, helpData.filterSections()) { + foreach (const QString &file, filterSection.files()) { + QFileInfo fileInfo(helpData.rootPath() + QDir::separator() + file); + const QString &canonicalFileName = fileInfo.canonicalFilePath(); + if (!fileInfo.exists()) + emit warning(tr("File '%1' does not exist.").arg(file)); + else + files.insert(canonicalFileName); + } + } + + /* + * Step 2: Check the hypertext and image references of all HTML files. + * Note that we don't parse the files, but simply grep for the + * respective HTML elements. Therefore. contents that are e.g. + * commented out can cause false warning. + */ + bool allLinksOk = true; + foreach (const QString &fileName, files) { + if (!fileName.endsWith(QLatin1String("html")) + && !fileName.endsWith(QLatin1String("htm"))) + continue; + QFile htmlFile(fileName); + if (!htmlFile.open(QIODevice::ReadOnly)) { + emit warning(tr("File '%1' cannot be opened.").arg(fileName)); + continue; + } + const QRegExp linkPattern(QLatin1String("<(?:a href|img src)=\"?([^#\">]+)[#\">]")); + QTextStream stream(&htmlFile); + const QString codec = QHelpGlobal::codecFromData(htmlFile.read(1000)); + stream.setCodec(QTextCodec::codecForName(codec.toLatin1().constData())); + const QString &content = stream.readAll(); + QStringList invalidLinks; + for (int pos = linkPattern.indexIn(content); pos != -1; + pos = linkPattern.indexIn(content, pos + 1)) { + const QString& linkedFileName = linkPattern.cap(1); + if (linkedFileName.contains(QLatin1String("://"))) + continue; + const QString curDir = QFileInfo(fileName).dir().path(); + const QString &canonicalLinkedFileName = + QFileInfo(curDir + QDir::separator() + linkedFileName).canonicalFilePath(); + if (!files.contains(canonicalLinkedFileName) + && !invalidLinks.contains(canonicalLinkedFileName)) { + emit warning(tr("File '%1' contains an invalid link to file '%2'"). + arg(fileName).arg(linkedFileName)); + allLinksOk = false; + invalidLinks.append(canonicalLinkedFileName); + } + } + } + + if (!allLinksOk) + d->error = tr("Invalid links in HTML files."); + return allLinksOk; +} + +QT_END_NAMESPACE + |