[2] | 1 | /****************************************************************************
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| 2 | **
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[651] | 3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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[2] | 6 | **
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| 7 | ** This file is part of the Qt Assistant of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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[561] | 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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[2] | 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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[561] | 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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[2] | 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "qhelpdbreader_p.h"
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| 43 | #include "qhelp_global.h"
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| 44 |
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| 45 | #include <QtCore/QVariant>
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| 46 | #include <QtCore/QFile>
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| 47 | #include <QtSql/QSqlError>
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| 48 | #include <QtSql/QSqlQuery>
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| 49 |
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| 50 | QT_BEGIN_NAMESPACE
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| 51 |
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| 52 | QHelpDBReader::QHelpDBReader(const QString &dbName)
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| 53 | : QObject(0)
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| 54 | {
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| 55 | initObject(dbName,
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| 56 | QHelpGlobal::uniquifyConnectionName(QLatin1String("QHelpDBReader"),
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| 57 | this));
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| 58 | }
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| 59 |
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| 60 | QHelpDBReader::QHelpDBReader(const QString &dbName, const QString &uniqueId,
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| 61 | QObject *parent)
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| 62 | : QObject(parent)
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| 63 | {
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| 64 | initObject(dbName, uniqueId);
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| 65 | }
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| 66 |
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| 67 | void QHelpDBReader::initObject(const QString &dbName, const QString &uniqueId)
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| 68 | {
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| 69 | m_dbName = dbName;
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| 70 | m_uniqueId = uniqueId;
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| 71 | m_initDone = false;
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| 72 | m_query = 0;
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| 73 | m_useAttributesCache = false;
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| 74 | }
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| 75 |
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| 76 | QHelpDBReader::~QHelpDBReader()
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| 77 | {
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| 78 | if (m_initDone) {
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| 79 | delete m_query;
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| 80 | QSqlDatabase::removeDatabase(m_uniqueId);
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| 81 | }
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| 82 | }
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| 83 |
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| 84 | bool QHelpDBReader::init()
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| 85 | {
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| 86 | if (m_initDone)
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| 87 | return true;
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| 88 |
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| 89 | if (!QFile::exists(m_dbName))
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| 90 | return false;
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| 91 |
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| 92 | QSqlDatabase db = QSqlDatabase::addDatabase(QLatin1String("QSQLITE"), m_uniqueId);
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| 93 | db.setDatabaseName(m_dbName);
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| 94 | if (!db.open()) {
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[561] | 95 | /*: The placeholders are: %1 - The name of the database which cannot be opened
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| 96 | %2 - The unique id for the connection
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| 97 | %3 - The actual error string */
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[2] | 98 | m_error = tr("Cannot open database '%1' '%2': %3").arg(m_dbName, m_uniqueId, db.lastError().text());
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| 99 | QSqlDatabase::removeDatabase(m_uniqueId);
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| 100 | return false;
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| 101 | }
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| 102 |
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| 103 | m_initDone = true;
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| 104 | m_query = new QSqlQuery(db);
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| 105 |
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| 106 | return true;
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| 107 | }
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| 108 |
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| 109 | QString QHelpDBReader::databaseName() const
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| 110 | {
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| 111 | return m_dbName;
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| 112 | }
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| 113 |
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| 114 | QString QHelpDBReader::errorMessage() const
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| 115 | {
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| 116 | return m_error;
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| 117 | }
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| 118 |
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| 119 | QString QHelpDBReader::namespaceName() const
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| 120 | {
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| 121 | if (!m_namespace.isEmpty())
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| 122 | return m_namespace;
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| 123 | if (m_query) {
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| 124 | m_query->exec(QLatin1String("SELECT Name FROM NamespaceTable"));
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| 125 | if (m_query->next())
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| 126 | m_namespace = m_query->value(0).toString();
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| 127 | }
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| 128 | return m_namespace;
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| 129 | }
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| 130 |
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| 131 | QString QHelpDBReader::virtualFolder() const
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| 132 | {
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| 133 | if (m_query) {
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| 134 | m_query->exec(QLatin1String("SELECT Name FROM FolderTable WHERE Id=1"));
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| 135 | if (m_query->next())
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| 136 | return m_query->value(0).toString();
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| 137 | }
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| 138 | return QString();
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| 139 | }
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| 140 |
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| 141 | QList<QStringList> QHelpDBReader::filterAttributeSets() const
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| 142 | {
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| 143 | QList<QStringList> result;
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| 144 | if (m_query) {
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| 145 | m_query->exec(QLatin1String("SELECT a.Id, b.Name FROM FileAttributeSetTable a, "
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| 146 | "FilterAttributeTable b WHERE a.FilterAttributeId=b.Id ORDER BY a.Id"));
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| 147 | int oldId = -1;
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| 148 | while (m_query->next()) {
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| 149 | int id = m_query->value(0).toInt();
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| 150 | if (id != oldId) {
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| 151 | result.append(QStringList());
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| 152 | oldId = id;
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| 153 | }
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| 154 | result.last().append(m_query->value(1).toString());
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| 155 | }
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| 156 | }
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| 157 | return result;
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| 158 | }
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| 159 |
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| 160 | bool QHelpDBReader::fileExists(const QString &virtualFolder,
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| 161 | const QString &filePath,
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| 162 | const QStringList &filterAttributes) const
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| 163 | {
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| 164 | if (virtualFolder.isEmpty() || filePath.isEmpty() || !m_query)
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| 165 | return false;
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| 166 |
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| 167 | //SELECT COUNT(a.Name) FROM FileNameTable a, FolderTable b, FileFilterTable c, FilterAttributeTable d WHERE a.FolderId=b.Id AND b.Name='qtdoc' AND a.Name='qstring.html' AND a.FileId=c.FileId AND c.FilterAttributeId=d.Id AND d.Name='qtrefdoc'
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| 168 |
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| 169 | QString query;
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| 170 | namespaceName();
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| 171 | if (filterAttributes.isEmpty()) {
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| 172 | query = QString(QLatin1String("SELECT COUNT(a.Name) FROM FileNameTable a, FolderTable b "
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| 173 | "WHERE a.FolderId=b.Id AND b.Name=\'%1\' AND a.Name=\'%2\'")).arg(quote(virtualFolder)).arg(quote(filePath));
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| 174 | } else {
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| 175 | query = QString(QLatin1String("SELECT COUNT(a.Name) FROM FileNameTable a, FolderTable b, "
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| 176 | "FileFilterTable c, FilterAttributeTable d WHERE a.FolderId=b.Id "
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| 177 | "AND b.Name=\'%1\' AND a.Name=\'%2\' AND a.FileId=c.FileId AND "
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| 178 | "c.FilterAttributeId=d.Id AND d.Name=\'%3\'"))
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| 179 | .arg(quote(virtualFolder)).arg(quote(filePath))
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| 180 | .arg(quote(filterAttributes.first()));
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| 181 | for (int i=1; i<filterAttributes.count(); ++i) {
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| 182 | query.append(QString(QLatin1String(" INTERSECT SELECT COUNT(a.Name) FROM FileNameTable a, "
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| 183 | "FolderTable b, FileFilterTable c, FilterAttributeTable d WHERE a.FolderId=b.Id "
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| 184 | "AND b.Name=\'%1\' AND a.Name=\'%2\' AND a.FileId=c.FileId AND "
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| 185 | "c.FilterAttributeId=d.Id AND d.Name=\'%3\'"))
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| 186 | .arg(quote(virtualFolder)).arg(quote(filePath))
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| 187 | .arg(quote(filterAttributes.at(i))));
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| 188 | }
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| 189 | }
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| 190 | m_query->exec(query);
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| 191 | if (m_query->next() && m_query->isValid() && m_query->value(0).toInt())
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| 192 | return true;
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| 193 | return false;
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| 194 | }
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| 195 |
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| 196 | QByteArray QHelpDBReader::fileData(const QString &virtualFolder,
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| 197 | const QString &filePath) const
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| 198 | {
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| 199 | QByteArray ba;
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| 200 | if (virtualFolder.isEmpty() || filePath.isEmpty() || !m_query)
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| 201 | return ba;
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| 202 |
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| 203 | namespaceName();
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| 204 | m_query->prepare(QLatin1String("SELECT a.Data FROM FileDataTable a, FileNameTable b, FolderTable c, "
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| 205 | "NamespaceTable d WHERE a.Id=b.FileId AND (b.Name=? OR b.Name=?) AND b.FolderId=c.Id "
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| 206 | "AND c.Name=? AND c.NamespaceId=d.Id AND d.Name=?"));
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| 207 | m_query->bindValue(0, filePath);
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| 208 | m_query->bindValue(1, QLatin1String("./") + filePath);
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| 209 | m_query->bindValue(2, virtualFolder);
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| 210 | m_query->bindValue(3, m_namespace);
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| 211 | m_query->exec();
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| 212 | if (m_query->next() && m_query->isValid())
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| 213 | ba = qUncompress(m_query->value(0).toByteArray());
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| 214 | return ba;
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| 215 | }
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| 216 |
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| 217 | QStringList QHelpDBReader::customFilters() const
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| 218 | {
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| 219 | QStringList lst;
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| 220 | if (m_query) {
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| 221 | m_query->exec(QLatin1String("SELECT Name FROM FilterNameTable"));
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| 222 | while (m_query->next())
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| 223 | lst.append(m_query->value(0).toString());
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| 224 | }
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| 225 | return lst;
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| 226 | }
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| 227 |
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| 228 | QStringList QHelpDBReader::filterAttributes(const QString &filterName) const
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| 229 | {
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| 230 | QStringList lst;
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| 231 | if (m_query) {
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| 232 | if (filterName.isEmpty()) {
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| 233 | m_query->prepare(QLatin1String("SELECT Name FROM FilterAttributeTable"));
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| 234 | } else {
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| 235 | m_query->prepare(QLatin1String("SELECT a.Name FROM FilterAttributeTable a, "
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| 236 | "FilterTable b, FilterNameTable c WHERE c.Name=? "
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| 237 | "AND c.Id=b.NameId AND b.FilterAttributeId=a.Id"));
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| 238 | m_query->bindValue(0, filterName);
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| 239 | }
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| 240 | m_query->exec();
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| 241 | while (m_query->next())
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| 242 | lst.append(m_query->value(0).toString());
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| 243 | }
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| 244 | return lst;
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| 245 | }
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| 246 |
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| 247 | QStringList QHelpDBReader::indicesForFilter(const QStringList &filterAttributes) const
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| 248 | {
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| 249 | QStringList indices;
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| 250 | if (!m_query)
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| 251 | return indices;
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| 252 |
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| 253 | //SELECT DISTINCT a.Name FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c WHERE a.Id=b.IndexId AND b.FilterAttributeId=c.Id AND c.Name in ('4.2.3', 'qt')
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| 254 |
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| 255 | QString query;
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| 256 | if (filterAttributes.isEmpty()) {
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| 257 | query = QLatin1String("SELECT DISTINCT Name FROM IndexTable");
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| 258 | } else {
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| 259 | query = QString(QLatin1String("SELECT DISTINCT a.Name FROM IndexTable a, "
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| 260 | "IndexFilterTable b, FilterAttributeTable c WHERE a.Id=b.IndexId "
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| 261 | "AND b.FilterAttributeId=c.Id AND c.Name='%1'")).arg(quote(filterAttributes.first()));
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| 262 | for (int i=1; i<filterAttributes.count(); ++i) {
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| 263 | query.append(QString(QLatin1String(" INTERSECT SELECT DISTINCT a.Name FROM IndexTable a, "
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| 264 | "IndexFilterTable b, FilterAttributeTable c WHERE a.Id=b.IndexId "
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| 265 | "AND b.FilterAttributeId=c.Id AND c.Name='%1'"))
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| 266 | .arg(quote(filterAttributes.at(i))));
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| 267 | }
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| 268 | }
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| 269 |
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| 270 | m_query->exec(query);
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| 271 | while (m_query->next()) {
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| 272 | if (!m_query->value(0).toString().isEmpty())
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| 273 | indices.append(m_query->value(0).toString());
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| 274 | }
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| 275 | return indices;
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| 276 | }
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| 277 |
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| 278 | void QHelpDBReader::linksForKeyword(const QString &keyword, const QStringList &filterAttributes,
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| 279 | QMap<QString, QUrl> &linkMap) const
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| 280 | {
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| 281 | if (!m_query)
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| 282 | return;
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| 283 |
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| 284 | QString query;
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| 285 | if (filterAttributes.isEmpty()) {
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| 286 | query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
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| 287 | "FROM IndexTable a, FileNameTable d, "
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| 288 | "FolderTable e, NamespaceTable f WHERE "
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| 289 | "a.FileId=d.FileId AND d.FolderId=e.Id AND a.NamespaceId=f.Id "
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| 290 | "AND a.Name='%1'")).arg(quote(keyword));
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| 291 | } else if (m_useAttributesCache) {
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| 292 | query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor, a.Id "
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| 293 | "FROM IndexTable a, "
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| 294 | "FileNameTable d, FolderTable e, NamespaceTable f WHERE "
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| 295 | "a.FileId=d.FileId AND d.FolderId=e.Id "
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| 296 | "AND a.NamespaceId=f.Id AND a.Name='%1'"))
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| 297 | .arg(quote(keyword));
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| 298 | m_query->exec(query);
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| 299 | while (m_query->next()) {
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| 300 | if (m_indicesCache.contains(m_query->value(5).toInt())) {
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| 301 | linkMap.insertMulti(m_query->value(0).toString(), buildQUrl(m_query->value(1).toString(),
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| 302 | m_query->value(2).toString(), m_query->value(3).toString(),
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| 303 | m_query->value(4).toString()));
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| 304 | }
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| 305 | }
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| 306 | return;
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| 307 | } else {
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| 308 | query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
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| 309 | "FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c, "
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| 310 | "FileNameTable d, FolderTable e, NamespaceTable f "
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| 311 | "WHERE a.FileId=d.FileId AND d.FolderId=e.Id "
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| 312 | "AND a.NamespaceId=f.Id AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id "
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| 313 | "AND a.Name='%1' AND c.Name='%2'")).arg(quote(keyword))
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| 314 | .arg(quote(filterAttributes.first()));
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| 315 | for (int i=1; i<filterAttributes.count(); ++i) {
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| 316 | query.append(QString(QLatin1String(" INTERSECT SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
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| 317 | "FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c, "
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| 318 | "FileNameTable d, FolderTable e, NamespaceTable f "
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| 319 | "WHERE a.FileId=d.FileId AND d.FolderId=e.Id "
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| 320 | "AND a.NamespaceId=f.Id AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id "
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| 321 | "AND a.Name='%1' AND c.Name='%2'")).arg(quote(keyword))
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| 322 | .arg(quote(filterAttributes.at(i))));
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| 323 | }
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| 324 | }
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| 325 |
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| 326 | QString title;
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| 327 | m_query->exec(query);
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| 328 | while (m_query->next()) {
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| 329 | title = m_query->value(0).toString();
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| 330 | if (title.isEmpty()) // generate a title + corresponding path
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| 331 | title = keyword + QLatin1String(" : ") + m_query->value(3).toString();
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| 332 | linkMap.insertMulti(title, buildQUrl(m_query->value(1).toString(),
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| 333 | m_query->value(2).toString(), m_query->value(3).toString(),
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| 334 | m_query->value(4).toString()));
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| 335 | }
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| 336 | }
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| 337 |
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| 338 | void QHelpDBReader::linksForIdentifier(const QString &id,
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| 339 | const QStringList &filterAttributes,
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| 340 | QMap<QString, QUrl> &linkMap) const
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| 341 | {
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| 342 | if (!m_query)
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| 343 | return;
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| 344 |
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| 345 | QString query;
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| 346 | if (filterAttributes.isEmpty()) {
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| 347 | query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
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| 348 | "FROM IndexTable a, FileNameTable d, FolderTable e, "
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| 349 | "NamespaceTable f WHERE a.FileId=d.FileId AND "
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| 350 | "d.FolderId=e.Id AND a.NamespaceId=f.Id AND a.Identifier='%1'"))
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| 351 | .arg(quote(id));
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| 352 | } else if (m_useAttributesCache) {
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| 353 | query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor, a.Id "
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| 354 | "FROM IndexTable a,"
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| 355 | "FileNameTable d, FolderTable e, NamespaceTable f WHERE "
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| 356 | "a.FileId=d.FileId AND d.FolderId=e.Id "
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| 357 | "AND a.NamespaceId=f.Id AND a.Identifier='%1'"))
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| 358 | .arg(quote(id));
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| 359 | m_query->exec(query);
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| 360 | while (m_query->next()) {
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| 361 | if (m_indicesCache.contains(m_query->value(5).toInt())) {
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| 362 | linkMap.insertMulti(m_query->value(0).toString(), buildQUrl(m_query->value(1).toString(),
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| 363 | m_query->value(2).toString(), m_query->value(3).toString(),
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| 364 | m_query->value(4).toString()));
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| 365 | }
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| 366 | }
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| 367 | return;
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| 368 | } else {
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| 369 | query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
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| 370 | "FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c, "
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| 371 | "FileNameTable d, FolderTable e, NamespaceTable f "
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| 372 | "WHERE a.FileId=d.FileId AND d.FolderId=e.Id "
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| 373 | "AND a.NamespaceId=f.Id AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id "
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| 374 | "AND a.Identifier='%1' AND c.Name='%2'")).arg(quote(id))
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| 375 | .arg(quote(filterAttributes.first()));
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| 376 | for (int i=0; i<filterAttributes.count(); ++i) {
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| 377 | query.append(QString(QLatin1String(" INTERSECT SELECT d.Title, f.Name, e.Name, "
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| 378 | "d.Name, a.Anchor FROM IndexTable a, IndexFilterTable b, "
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| 379 | "FilterAttributeTable c, FileNameTable d, "
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| 380 | "FolderTable e, NamespaceTable f WHERE "
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| 381 | "a.FileId=d.FileId AND d.FolderId=e.Id AND a.NamespaceId=f.Id "
|
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| 382 | "AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id AND "
|
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| 383 | "a.Identifier='%1' AND c.Name='%2'")).arg(quote(id))
|
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| 384 | .arg(quote(filterAttributes.at(i))));
|
---|
| 385 | }
|
---|
| 386 | }
|
---|
| 387 |
|
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| 388 | m_query->exec(query);
|
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| 389 | while (m_query->next()) {
|
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| 390 | linkMap.insertMulti(m_query->value(0).toString(), buildQUrl(m_query->value(1).toString(),
|
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| 391 | m_query->value(2).toString(), m_query->value(3).toString(),
|
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| 392 | m_query->value(4).toString()));
|
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| 393 | }
|
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| 394 | }
|
---|
| 395 |
|
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| 396 | QUrl QHelpDBReader::buildQUrl(const QString &ns, const QString &folder,
|
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| 397 | const QString &relFileName, const QString &anchor) const
|
---|
| 398 | {
|
---|
| 399 | QUrl url;
|
---|
| 400 | url.setScheme(QLatin1String("qthelp"));
|
---|
| 401 | url.setAuthority(ns);
|
---|
| 402 | url.setPath(folder + QLatin1Char('/') + relFileName);
|
---|
| 403 | url.setFragment(anchor);
|
---|
| 404 | return url;
|
---|
| 405 | }
|
---|
| 406 |
|
---|
| 407 | QList<QByteArray> QHelpDBReader::contentsForFilter(const QStringList &filterAttributes) const
|
---|
| 408 | {
|
---|
| 409 | QList<QByteArray> contents;
|
---|
| 410 | if (!m_query)
|
---|
| 411 | return contents;
|
---|
| 412 |
|
---|
| 413 | //SELECT DISTINCT a.Data FROM ContentsTable a, ContentsFilterTable b, FilterAttributeTable c WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id AND c.Name='qt' INTERSECT SELECT DISTINCT a.Data FROM ContentsTable a, ContentsFilterTable b, FilterAttributeTable c WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id AND c.Name='3.3.8';
|
---|
| 414 |
|
---|
| 415 | QString query;
|
---|
| 416 | if (filterAttributes.isEmpty()) {
|
---|
| 417 | query = QLatin1String("SELECT Data from ContentsTable");
|
---|
| 418 | } else {
|
---|
| 419 | query = QString(QLatin1String("SELECT a.Data FROM ContentsTable a, "
|
---|
| 420 | "ContentsFilterTable b, FilterAttributeTable c "
|
---|
| 421 | "WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id "
|
---|
| 422 | "AND c.Name='%1'")).arg(quote(filterAttributes.first()));
|
---|
| 423 | for (int i=1; i<filterAttributes.count(); ++i) {
|
---|
| 424 | query.append(QString(QLatin1String(" INTERSECT SELECT a.Data FROM ContentsTable a, "
|
---|
| 425 | "ContentsFilterTable b, FilterAttributeTable c "
|
---|
| 426 | "WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id "
|
---|
| 427 | "AND c.Name='%1'")).arg(quote(filterAttributes.at(i))));
|
---|
| 428 | }
|
---|
| 429 | }
|
---|
| 430 |
|
---|
| 431 | m_query->exec(query);
|
---|
| 432 | while (m_query->next()) {
|
---|
| 433 | contents.append(m_query->value(0).toByteArray());
|
---|
| 434 | }
|
---|
| 435 | return contents;
|
---|
| 436 | }
|
---|
| 437 |
|
---|
| 438 | QUrl QHelpDBReader::urlOfPath(const QString &relativePath) const
|
---|
| 439 | {
|
---|
| 440 | QUrl url;
|
---|
| 441 | if (!m_query)
|
---|
| 442 | return url;
|
---|
| 443 |
|
---|
| 444 | m_query->exec(QLatin1String("SELECT a.Name, b.Name FROM NamespaceTable a, "
|
---|
| 445 | "FolderTable b WHERE a.id=b.NamespaceId and a.Id=1"));
|
---|
| 446 | if (m_query->next()) {
|
---|
| 447 | QString rp = relativePath;
|
---|
| 448 | QString anchor;
|
---|
| 449 | int i = rp.indexOf(QLatin1Char('#'));
|
---|
| 450 | if (i > -1) {
|
---|
| 451 | rp = relativePath.left(i);
|
---|
| 452 | anchor = relativePath.mid(i+1);
|
---|
| 453 | }
|
---|
| 454 | url = buildQUrl(m_query->value(0).toString(),
|
---|
| 455 | m_query->value(1).toString(), rp, anchor);
|
---|
| 456 | }
|
---|
| 457 | return url;
|
---|
| 458 | }
|
---|
| 459 |
|
---|
| 460 | QStringList QHelpDBReader::files(const QStringList &filterAttributes,
|
---|
| 461 | const QString &extensionFilter) const
|
---|
| 462 | {
|
---|
| 463 | QStringList lst;
|
---|
| 464 | if (!m_query)
|
---|
| 465 | return lst;
|
---|
| 466 |
|
---|
| 467 | QString query;
|
---|
| 468 | QString extension;
|
---|
| 469 | if (!extensionFilter.isEmpty())
|
---|
| 470 | extension = QString(QLatin1String("AND b.Name like \'%.%1\'")).arg(extensionFilter);
|
---|
| 471 |
|
---|
| 472 | if (filterAttributes.isEmpty()) {
|
---|
| 473 | query = QString(QLatin1String("SELECT a.Name, b.Name FROM FolderTable a, "
|
---|
| 474 | "FileNameTable b WHERE b.FolderId=a.Id %1"))
|
---|
| 475 | .arg(extension);
|
---|
| 476 | } else {
|
---|
| 477 | query = QString(QLatin1String("SELECT a.Name, b.Name FROM FolderTable a, "
|
---|
| 478 | "FileNameTable b, FileFilterTable c, FilterAttributeTable d "
|
---|
| 479 | "WHERE b.FolderId=a.Id AND b.FileId=c.FileId "
|
---|
| 480 | "AND c.FilterAttributeId=d.Id AND d.Name=\'%1\' %2"))
|
---|
| 481 | .arg(quote(filterAttributes.first())).arg(extension);
|
---|
| 482 | for (int i=1; i<filterAttributes.count(); ++i) {
|
---|
| 483 | query.append(QString(QLatin1String(" INTERSECT SELECT a.Name, b.Name FROM "
|
---|
| 484 | "FolderTable a, FileNameTable b, FileFilterTable c, "
|
---|
| 485 | "FilterAttributeTable d WHERE b.FolderId=a.Id AND "
|
---|
| 486 | "b.FileId=c.FileId AND c.FilterAttributeId=d.Id AND "
|
---|
| 487 | "d.Name=\'%1\' %2")).arg(quote(filterAttributes.at(i)))
|
---|
| 488 | .arg(extension));
|
---|
| 489 | }
|
---|
| 490 | }
|
---|
| 491 | m_query->exec(query);
|
---|
| 492 | while (m_query->next()) {
|
---|
| 493 | lst.append(m_query->value(0).toString() + QLatin1Char('/')
|
---|
| 494 | + m_query->value(1).toString());
|
---|
| 495 | }
|
---|
| 496 |
|
---|
| 497 | return lst;
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 | QVariant QHelpDBReader::metaData(const QString &name) const
|
---|
| 501 | {
|
---|
| 502 | QVariant v;
|
---|
| 503 | if (!m_query)
|
---|
| 504 | return v;
|
---|
| 505 |
|
---|
| 506 | m_query->prepare(QLatin1String("SELECT COUNT(Value), Value FROM MetaDataTable "
|
---|
| 507 | "WHERE Name=?"));
|
---|
| 508 | m_query->bindValue(0, name);
|
---|
| 509 | if (m_query->exec() && m_query->next()
|
---|
| 510 | && m_query->value(0).toInt() == 1)
|
---|
| 511 | v = m_query->value(1);
|
---|
| 512 | return v;
|
---|
| 513 | }
|
---|
| 514 |
|
---|
| 515 | QString QHelpDBReader::mergeList(const QStringList &list) const
|
---|
| 516 | {
|
---|
| 517 | QString str;
|
---|
[769] | 518 | foreach (const QString &s, list)
|
---|
[2] | 519 | str.append(QLatin1Char('\'') + quote(s) + QLatin1String("\', "));
|
---|
| 520 | if (str.endsWith(QLatin1String(", ")))
|
---|
| 521 | str = str.left(str.length()-2);
|
---|
| 522 | return str;
|
---|
| 523 | }
|
---|
| 524 |
|
---|
| 525 | QString QHelpDBReader::quote(const QString &string) const
|
---|
| 526 | {
|
---|
| 527 | QString s = string;
|
---|
| 528 | s.replace(QLatin1Char('\''), QLatin1String("\'\'"));
|
---|
| 529 | return s;
|
---|
| 530 | }
|
---|
| 531 |
|
---|
| 532 | QSet<int> QHelpDBReader::indexIds(const QStringList &attributes) const
|
---|
| 533 | {
|
---|
| 534 | QSet<int> ids;
|
---|
| 535 |
|
---|
| 536 | if (attributes.isEmpty())
|
---|
| 537 | return ids;
|
---|
| 538 |
|
---|
| 539 | QString query = QString(QLatin1String("SELECT a.IndexId FROM IndexFilterTable a, "
|
---|
| 540 | "FilterAttributeTable b WHERE a.FilterAttributeId=b.Id "
|
---|
| 541 | "AND b.Name='%1'")).arg(attributes.first());
|
---|
| 542 | for (int i=0; i<attributes.count(); ++i) {
|
---|
| 543 | query.append(QString(QLatin1String(" INTERSECT SELECT a.IndexId FROM "
|
---|
| 544 | "IndexFilterTable a, FilterAttributeTable b WHERE "
|
---|
| 545 | "a.FilterAttributeId=b.Id AND b.Name='%1'"))
|
---|
| 546 | .arg(attributes.at(i)));
|
---|
| 547 | }
|
---|
| 548 |
|
---|
| 549 | if (!m_query->exec(query))
|
---|
| 550 | return ids;
|
---|
| 551 |
|
---|
| 552 | while (m_query->next())
|
---|
| 553 | ids.insert(m_query->value(0).toInt());
|
---|
| 554 |
|
---|
| 555 | return ids;
|
---|
| 556 | }
|
---|
| 557 |
|
---|
| 558 | bool QHelpDBReader::createAttributesCache(const QStringList &attributes,
|
---|
| 559 | const QSet<int> &indexIds)
|
---|
| 560 | {
|
---|
| 561 | m_useAttributesCache = false;
|
---|
| 562 |
|
---|
| 563 | if (attributes.count() < 2) {
|
---|
| 564 | m_viewAttributes.clear();
|
---|
| 565 | return true;
|
---|
| 566 | }
|
---|
| 567 |
|
---|
| 568 | bool needUpdate = !m_viewAttributes.count();
|
---|
| 569 |
|
---|
[769] | 570 | foreach (const QString &s, attributes)
|
---|
[2] | 571 | m_viewAttributes.remove(s);
|
---|
| 572 |
|
---|
| 573 | if (m_viewAttributes.count() || needUpdate) {
|
---|
| 574 | m_viewAttributes.clear();
|
---|
| 575 | m_indicesCache = indexIds;
|
---|
| 576 | }
|
---|
[769] | 577 | foreach (const QString &s, attributes)
|
---|
[2] | 578 | m_viewAttributes.insert(s);
|
---|
| 579 | m_useAttributesCache = true;
|
---|
| 580 | return true;
|
---|
| 581 | }
|
---|
| 582 |
|
---|
| 583 | QT_END_NAMESPACE
|
---|