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152 lines
4.8 KiB
152 lines
4.8 KiB
/***************************************************************************
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saparser.h - description
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-------------------
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begin : Wed Feb 11 2004
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copyright : (C) 2004 Andras Mantia <amantia@kde.org>
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef SAPARSER_H
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#define SAPARSER_H
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//qt includes
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#include <tqobject.h>
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#include <tqregexp.h>
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#include <tqvaluestack.h>
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//own includes
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#include "tag.h" //for AreaStruct
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//forward definitions
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struct DTDStruct;
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class Document;
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class TQString;
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class TQStringList;
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class TQTimer;
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class KDirWatch;
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class SAGroupParser;
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/**
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This class is used to parse a special area (script) in the document.
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*/
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class SAParser: public TQObject
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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SAParser();
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virtual ~SAParser();
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void setParsingEnabled(bool enabled);
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bool parsingEnabled() {return m_parsingEnabled;}
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Document *write() {return m_write;}
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void init(Node *node, Document *write);
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/*
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Parses the document for special areas (eg. scripts).
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specialArea: the area (start/end position) in the document that may contain the special
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area. It may end before the end position.
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areaStartString: the special area starting string
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forcedAreaEndString: force this as the special area ending string.
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parentNode: the Node under where the special area goes
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fullParse: the script node will be fully parsed for groups, structures or so. If false, only the script beginning and end will be determined.
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synchronous: if true, the function does not return until the parsing is finished, otherwise
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return immediately.
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return value: in synchronous case returns the last inserted node, otherwise return 0L.
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*/
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Node* parseArea(const AreaStruct &specialArea,
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const TQString &areaStartString,
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const TQString &forcedAreaEndString,
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Node *parentNode,
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bool fullParse, bool synchronous);
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/** Returns the line where the last parsing run ended. */
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int lastParsedLine() {return m_lastParsedLine;}
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/** Returns the column where the last parsing run ended. */
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int lastParsedColumn() {return m_lastParsedCol;}
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void parseInDetail(bool synchronous);
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void setSpecialInsideXml(bool insideXml) {m_specialInsideXml = insideXml;}
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public slots:
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void slotGroupParsingDone(SAGroupParser *groupParser);
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private slots:
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/** Parses one line and calls itself with a singleshot timer to parse the next line. */
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bool slotParseOneLine();
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void slotParseNodeInDetail();
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signals:
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void rebuildStructureTree(bool);
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void cleanGroups();
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private:
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//private methods
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Node* parsingDone();
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//private structures
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struct ContextStruct{
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int type;
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AreaStruct area;
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TQString startString;
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Node *parentNode;
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Node *lastNode;
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};
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enum ContextType {
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Unknown = 0,
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Text,
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Comment,
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QuotedString,
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Group
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};
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//private member variables
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bool m_useNext;
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bool m_parsingEnabled;
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bool m_synchronous;
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Document* m_write;
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Node* m_baseNode;
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Node* m_lastParsedNode;
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Node* m_currentNode; ///< the currently parsed script node for details. Changes only after the whole area between m_currentNode and m_currentNode->next is parsed.
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int m_lastParsedLine, m_lastParsedCol;
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const DTDStruct *m_dtd;
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TQRegExp m_quotesRx;
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bool m_specialInsideXml; //< true if the special area is defined inside a tag, like the PHP in <a href="<? echo $a ?>">
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bool s_contextFound;
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ContextStruct s_currentContext;
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Node *s_parentNode;
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bool s_searchContent;
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TQString s_searchedString;
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TQString s_textLine;
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int s_line, s_col;
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int s_endLine, s_endCol;
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bool s_fullParse;
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TQString s_areaEndString;
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bool s_searchForAreaEnd;
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bool s_searchForForcedAreaEnd;
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TQRegExp s_forcedAreaRx;
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const DTDStruct *s_dtd;
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bool s_searchForSpecialAreas;
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ContextStruct s_context;
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TQValueStack<ContextStruct> s_contextStack;
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ContextStruct s_previousContext;
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Node *s_currentNode; ///< the current detailed node while parsing for details
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Node *s_returnNode;
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bool s_useReturnVars;
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Node *s_next;
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TQValueList<SAGroupParser*> m_groupParsers;
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TQTimer *m_parseOneLineTimer;
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TQTimer *m_parseInDetailTimer;
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};
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#endif
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