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152 lines
2.9 KiB
152 lines
2.9 KiB
#ifndef SEARCHENGINE_H
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#define SEARCHENGINE_H
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#include <qobject.h>
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#include <qptrlist.h>
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#include <qstring.h>
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#include <kpixmap.h>
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#include <kio/job.h>
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#include "docentrytraverser.h"
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class QWidget;
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class KProcess;
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class KConfig;
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class KHTMLPart;
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namespace KHC {
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class Formatter;
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class SearchEngine;
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class View;
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class SearchHandler;
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class SearchTraverser : public QObject, public DocEntryTraverser
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{
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Q_OBJECT
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public:
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SearchTraverser( SearchEngine *engine, int level );
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~SearchTraverser();
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void process( DocEntry * );
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void startProcess( DocEntry * );
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DocEntryTraverser *createChild( DocEntry * );
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DocEntryTraverser *parentTraverser();
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void deleteTraverser();
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void finishTraversal();
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protected:
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void connectHandler( SearchHandler *handler );
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void disconnectHandler( SearchHandler *handler );
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protected slots:
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void showSearchResult( SearchHandler *, DocEntry *, const QString &result );
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void showSearchError( SearchHandler *, DocEntry *, const QString &error );
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private:
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const int mMaxLevel;
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SearchEngine *mEngine;
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int mLevel;
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DocEntry *mEntry;
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QString mJobData;
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QString mResult;
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QMap<SearchHandler *, int> mConnectCount;
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};
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class SearchEngine : public QObject
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{
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Q_OBJECT
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public:
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enum Operation { And, Or };
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SearchEngine( View * );
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~SearchEngine();
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bool initSearchHandlers();
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bool search( QString words, QString method = "and", int matches = 5,
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QString scope = "" );
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Formatter *formatter() const;
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View *view() const;
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QString substituteSearchQuery( const QString &query );
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static QString substituteSearchQuery( const QString &query,
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const QString &identifier, const QStringList &words, int maxResults,
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Operation operation, const QString &lang );
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void finishSearch();
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/**
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Append error message to error log.
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*/
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void logError( DocEntry *entry, const QString &msg );
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/**
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Return error log.
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*/
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QString errorLog() const;
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bool isRunning() const;
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SearchHandler *handler( const QString &documentType ) const;
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QStringList words() const;
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int maxResults() const;
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Operation operation() const;
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bool canSearch( DocEntry * );
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bool needsIndex( DocEntry * );
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signals:
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void searchFinished();
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protected slots:
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void searchStdout(KProcess *proc, char *buffer, int buflen);
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void searchStderr(KProcess *proc, char *buffer, int buflen);
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void searchExited(KProcess *proc);
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protected:
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void processSearchQueue();
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private:
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KProcess *mProc;
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bool mSearchRunning;
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QString mSearchResult;
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QString mStderr;
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View *mView;
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QString mWords;
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int mMatches;
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QString mMethod;
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QString mLang;
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QString mScope;
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QStringList mWordList;
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int mMaxResults;
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Operation mOperation;
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DocEntryTraverser *mRootTraverser;
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QMap<QString, SearchHandler *> mHandlers;
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};
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}
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#endif
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// vim:ts=2:sw=2:et
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