/***************************************************************************
saparser . h - description
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begin : Wed Feb 11 2004
copyright : ( C ) 2004 Andras Mantia < amantia @ 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 . *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# 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
{
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
