Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 249 insertions, 0 deletions

diff --git a/khelpcenter/searchhandler.cpp b/khelpcenter/searchhandler.cpp
new file mode 100644
index 000000000..a25d2fe49
--- /dev/null
+++ b/khelpcenter/searchhandler.cpp
@@ -0,0 +1,249 @@
+/*
+    This file is part of KHelpCenter.
+
+    Copyright (c) 2005 Cornelius Schumacher <schumacher@kde.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+    
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU General Public License for more details.
+    
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#include "searchhandler.h"
+
+#include "searchengine.h"
+#include "prefs.h"
+#include "docentry.h"
+
+#include <kdesktopfile.h>
+#include <kprocess.h>
+#include <kdebug.h>
+#include <kmessagebox.h>
+#include <klocale.h>
+#include <kstandarddirs.h>
+
+#include <stdlib.h>
+
+using namespace KHC;
+
+SearchHandler::SearchHandler()
+{
+  mLang = KGlobal::locale()->language().left( 2 );
+}
+
+SearchHandler *SearchHandler::initFromFile( const QString &filename )
+{
+  SearchHandler *handler = new SearchHandler;
+
+  KDesktopFile file( filename );
+
+  handler->mSearchCommand = file.readEntry( "SearchCommand" );
+  handler->mSearchUrl = file.readEntry( "SearchUrl" );
+  handler->mIndexCommand = file.readEntry( "IndexCommand" );
+  handler->mDocumentTypes = file.readListEntry( "DocumentTypes" );
+
+  return handler;
+}
+
+QStringList SearchHandler::documentTypes() const
+{
+  return mDocumentTypes;
+}
+
+QString SearchHandler::indexCommand( const QString &identifier )
+{
+  QString cmd = mIndexCommand;
+  cmd.replace( "%i", identifier );
+  cmd.replace( "%d", Prefs::indexDirectory() );
+  cmd.replace( "%l", mLang );
+  return cmd;
+}
+
+bool SearchHandler::checkPaths() const
+{
+  if ( !mSearchCommand.isEmpty() && !checkBinary( mSearchCommand ) )
+    return false;
+
+  if ( !mIndexCommand.isEmpty() && !checkBinary( mIndexCommand ) )
+    return false;
+
+  return true;
+}
+
+bool SearchHandler::checkBinary( const QString &cmd ) const
+{
+  QString binary;
+
+  int pos = cmd.find( ' ' );
+  if ( pos < 0 ) binary = cmd;
+  else binary = cmd.left( pos );
+
+  return !KStandardDirs::findExe( binary ).isEmpty();
+}
+
+void SearchHandler::search( DocEntry *entry, const QStringList &words,
+  int maxResults,
+  SearchEngine::Operation operation )
+{
+  kdDebug() << "SearchHandler::search(): " << entry->identifier() << endl;
+
+  if ( !mSearchCommand.isEmpty() ) {
+    QString cmdString = SearchEngine::substituteSearchQuery( mSearchCommand,
+      entry->identifier(), words, maxResults, operation, mLang );
+
+    kdDebug() << "SearchHandler::search() CMD: " << cmdString << endl;
+
+    KProcess *proc = new KProcess();
+
+    QStringList cmd = QStringList::split( " ", cmdString );
+    QStringList::ConstIterator it;
+    for( it = cmd.begin(); it != cmd.end(); ++it ) {
+      QString arg = *it;
+      if ( arg.left( 1 ) == "\"" && arg.right( 1 ) =="\"" ) {
+        arg = arg.mid( 1, arg.length() - 2 );
+      }
+      *proc << arg.utf8();
+    }
+
+    connect( proc, SIGNAL( receivedStdout( KProcess *, char *, int ) ),
+             SLOT( searchStdout( KProcess *, char *, int ) ) );
+    connect( proc, SIGNAL( receivedStderr( KProcess *, char *, int ) ),
+             SLOT( searchStderr( KProcess *, char *, int ) ) );
+    connect( proc, SIGNAL( processExited( KProcess * ) ),
+             SLOT( searchExited( KProcess * ) ) );
+
+    SearchJob *searchJob = new SearchJob;
+    searchJob->mEntry = entry;
+    searchJob->mProcess = proc;
+    searchJob->mCmd = cmdString;
+
+    mProcessJobs.insert( proc, searchJob );
+
+    if ( !proc->start( KProcess::NotifyOnExit, KProcess::All ) ) {
+      QString txt = i18n("Error executing search command '%1'.").arg( cmdString );
+      emit searchFinished( this, entry, txt );
+    }
+  } else if ( !mSearchUrl.isEmpty() ) {
+    QString urlString = SearchEngine::substituteSearchQuery( mSearchUrl,
+      entry->identifier(), words, maxResults, operation, mLang );
+  
+    kdDebug() << "SearchHandler::search() URL: " << urlString << endl;
+  
+    KIO::TransferJob *job = KIO::get( KURL( urlString ) );
+    connect( job, SIGNAL( result( KIO::Job * ) ),
+             SLOT( slotJobResult( KIO::Job * ) ) );
+    connect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ),
+             SLOT( slotJobData( KIO::Job *, const QByteArray & ) ) );
+
+    SearchJob *searchJob = new SearchJob;
+    searchJob->mEntry = entry;
+    searchJob->mKioJob = job;
+    mKioJobs.insert( job, searchJob );
+  } else {
+    QString txt = i18n("No search command or URL specified.");
+    emit searchFinished( this, entry, txt );
+    return;
+  }
+}
+
+void SearchHandler::searchStdout( KProcess *proc, char *buffer, int len )
+{
+  if ( !buffer || len == 0 )
+    return;
+
+  QString bufferStr;
+  char *p;
+  p = (char*) malloc( sizeof(char) * ( len + 1 ) );
+  p = strncpy( p, buffer, len );
+  p[len] = '\0';
+
+  QMap<KProcess *, SearchJob *>::ConstIterator it = mProcessJobs.find( proc );
+  if ( it != mProcessJobs.end() ) {
+    (*it)->mResult += bufferStr.fromUtf8( p );
+  }
+
+  free( p );
+}
+
+void SearchHandler::searchStderr( KProcess *proc, char *buffer, int len )
+{
+  if ( !buffer || len == 0 )
+    return;
+
+  QMap<KProcess *, SearchJob *>::ConstIterator it = mProcessJobs.find( proc );
+  if ( it != mProcessJobs.end() ) {
+    (*it)->mError += QString::fromUtf8( buffer, len );
+  }
+}
+
+void SearchHandler::searchExited( KProcess *proc )
+{
+//  kdDebug() << "SearchHandler::searchExited()" << endl;
+
+  QString result;
+  QString error;
+  DocEntry *entry = 0;
+
+  QMap<KProcess *, SearchJob *>::ConstIterator it = mProcessJobs.find( proc );
+  if ( it != mProcessJobs.end() ) {
+    SearchJob *j = *it;
+    entry = j->mEntry;
+    result = j->mResult;
+    error = "<em>" + j->mCmd + "</em>\n" + j->mError;
+    
+    mProcessJobs.remove( proc );
+    delete j;
+  } else {
+    kdError() << "No search job for exited process found." << endl;
+  }
+
+  if ( proc->normalExit() && proc->exitStatus() == 0 ) {
+    emit searchFinished( this, entry, result );
+  } else {
+    emit searchError( this, entry, error );
+  }
+}
+
+void SearchHandler::slotJobResult( KIO::Job *job )
+{
+  QString result;
+  DocEntry *entry = 0;
+
+  QMap<KIO::Job *, SearchJob *>::ConstIterator it = mKioJobs.find( job );
+  if ( it != mKioJobs.end() ) {
+    SearchJob *j = *it;
+
+    entry = j->mEntry;
+    result = j->mResult;    
+    
+    mKioJobs.remove( job );
+    delete j;
+  }
+
+  if ( job->error() ) {
+    emit searchError( this, entry, i18n("Error: %1").arg( job->errorString() ) );
+  } else {
+    emit searchFinished( this, entry, result );
+  }
+}
+ 
+void SearchHandler::slotJobData( KIO::Job *job, const QByteArray &data )
+{
+//  kdDebug() << "SearchHandler::slotJobData()" << endl;
+
+  QMap<KIO::Job *, SearchJob *>::ConstIterator it = mKioJobs.find( job );
+  if ( it != mKioJobs.end() ) {
+    (*it)->mResult += data.data();
+  }
+}
+
+#include "searchhandler.moc"