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