Changeset 561 for trunk/tools/assistant/lib/qhelpsearchindexwriter_clucene.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• tools/assistant/lib/qhelpsearchindexwriter_clucene.cpp (modified) (13 diffs)

trunk/tools/assistant/lib/qhelpsearchindexwriter_clucene.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the Qt Assistant of the Qt Toolkit.
@@ -21 +22 @@
 ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** 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
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -431 +431 @@
     {
         QTextStream textStream(data);
-        QByteArray charSet = QHelpGlobal::charsetFromData(data).toLatin1();
-        textStream.setCodec(QTextCodec::codecForName(charSet.constData()));
+        const QByteArray &codec = QHelpGlobal::codecFromData(data).toLatin1();
+        textStream.setCodec(QTextCodec::codecForName(codec.constData()));
 
         QString stream = textStream.readAll();
@@ -579 +579 @@
     const QString &indexFilesFolder, bool reindex)
 {
+    wait();
     mutex.lock();
     this->m_cancel = false;
@@ -591 +592 @@
 void QHelpSearchIndexWriter::optimizeIndex()
 {
-    if (QCLuceneIndexReader::indexExists(m_indexFilesFolder)) {
-        if (QCLuceneIndexReader::isLocked(m_indexFilesFolder))
-            return;
-
-        QCLuceneStandardAnalyzer analyzer;
-        QCLuceneIndexWriter writer(m_indexFilesFolder, analyzer, false);
-        writer.optimize();
-        writer.close();
-    }
+#if !defined(QT_NO_EXCEPTIONS)
+    try {
+#endif
+        if (QCLuceneIndexReader::indexExists(m_indexFilesFolder)) {
+            if (QCLuceneIndexReader::isLocked(m_indexFilesFolder))
+                return;
+
+            QCLuceneStandardAnalyzer analyzer;
+            QCLuceneIndexWriter writer(m_indexFilesFolder, analyzer, false);
+            writer.optimize();
+            writer.close();
+        }
+#if !defined(QT_NO_EXCEPTIONS)
+    } catch (...) {
+        qWarning("Full Text Search, could not optimize index.");
+        return;
+    }
+#endif
 }
 
@@ -640 +650 @@
     QFileInfo fInfo(indexPath);
     if (fInfo.exists() && !fInfo.isWritable()) {
-        qWarning("Full Text Search, could not create index (missing permissions).");
+        qWarning("Full Text Search, could not create index (missing permissions for '%s').", qPrintable(indexPath));
         return;
     }
@@ -721 +731 @@
 #if !defined(QT_NO_EXCEPTIONS)
     } catch (...) {
-        qWarning("Full Text Search, could not create index writer.");
+        qWarning("Full Text Search, could not create index writer in '%s'.",
+            qPrintable(indexPath));
         return;
     }
 #endif
 
-    writer->setMergeFactor(100);
-    writer->setMinMergeDocs(1000);
-    writer->setMaxFieldLength(QCLuceneIndexWriter::DEFAULT_MAX_FIELD_LENGTH);
+#if !defined(QT_NO_EXCEPTIONS)
+    try {
+#endif
+        writer->setMergeFactor(100);
+        writer->setMinMergeDocs(1000);
+        writer->setMaxFieldLength(QCLuceneIndexWriter::DEFAULT_MAX_FIELD_LENGTH);
+#if !defined(QT_NO_EXCEPTIONS)
+    } catch (...) {
+        qWarning("Full Text Search, could not set writer properties.");
+        return;
+    }
+#endif
 
     QStringList namespaces;
@@ -734 +754 @@
         mutexLocker.relock();
         if (m_cancel) {
-            writer->close();
-            delete writer;
+            closeIndexWriter(writer);
             emit indexingFinished();
             return;
@@ -778 +797 @@
     }
 
-    writer->close();
-    delete writer;
+    closeIndexWriter(writer);
 
     mutexLocker.relock();
@@ -814 +832 @@
         QCLuceneDocument document;
         DocumentHelper helper(url.toString(), engine.fileData(url));
-        if (helper.addFieldsToDocument(&document, namespaceName, attrList))
-            writer->addDocument(document, analyzer);
-
+        if (helper.addFieldsToDocument(&document, namespaceName, attrList)) {
+#if !defined(QT_NO_EXCEPTIONS)
+            try {
+#endif
+                writer->addDocument(document, analyzer);
+#if !defined(QT_NO_EXCEPTIONS)
+            } catch (...) {
+                qWarning("Full Text Search, could not properly add documents.");
+                return false;
+            }
+#endif
+        }
         locker.relock();
         if (m_cancel)
@@ -822 +849 @@
         locker.unlock();
     }
-
     return true;
 }
@@ -862 +888 @@
 }
 
+void QHelpSearchIndexWriter::closeIndexWriter(QCLuceneIndexWriter *writer)
+{
+#if !defined(QT_NO_EXCEPTIONS)
+    try {
+#endif
+        writer->close();
+        delete writer;
+#if !defined(QT_NO_EXCEPTIONS)
+    } catch (...) {
+        qWarning("Full Text Search, could not properly close index writer.");
+    }
+#endif
+}
 
         }   // namespace clucene