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152 lines
3.0 KiB
152 lines
3.0 KiB
#ifndef SEARCHENGINE_H
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#define SEARCHENGINE_H
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#include <tqobject.h>
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#include <tqptrlist.h>
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#include <tqstring.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 TQWidget;
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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 TQObject, 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 TQString &result );
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void showSearchError( SearchHandler *, DocEntry *, const TQString &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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TQString mJobData;
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TQString mResult;
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TQMap<SearchHandler *, int> mConnectCount;
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};
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class SearchEngine : public TQObject
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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( TQString words, TQString method = "and", int matches = 5,
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TQString scope = "" );
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Formatter *formatter() const;
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View *view() const;
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TQString substituteSearchQuery( const TQString &query );
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static TQString substituteSearchQuery( const TQString &query,
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const TQString &identifier, const TQStringList &words, int maxResults,
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Operation operation, const TQString &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 TQString &msg );
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/**
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Return error log.
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*/
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TQString errorLog() const;
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bool isRunning() const;
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SearchHandler *handler( const TQString &documentType ) const;
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TQStringList 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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TQString mSearchResult;
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TQString mStderr;
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View *mView;
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TQString mWords;
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int mMatches;
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TQString mMethod;
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TQString mLang;
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TQString mScope;
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TQStringList mWordList;
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int mMaxResults;
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Operation mOperation;
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DocEntryTraverser *mRootTraverser;
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TQMap<TQString, 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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