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/*
This file is part of KIllustrator.
Copyright (C) 1998 Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de)
modified for kvoctrain by Ewald Arnold kvoctrain@ewald-arnold.dein April ´
*/
# ifndef XmlTokenizer_h_
# define XmlTokenizer_h_
# include "koxml_config.h"
/**
* The XMLTokenizer class allows an application to break a XML stream
* into tokens.
*
* @short A class for tokenizing an XML stream.
* @author Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de), modifications: Ewald Arnold (kvoctrain@ewald-arnold.de)
* @version 2000/07/02
*/
class XmlTokenizer {
public :
/**
* The expected tokens for a XML stream.
*/
enum Token { Tok_Invalid , /* 0 */
Tok_EOF , /* 1 */
Tok_Symbol , /* 2 */
Tok_String , /* 3 */
Tok_Text , /* 4 */
Tok_Comment , /* 5 */
Tok_Lt , /* < 6 */
Tok_Gt , /* > 7 */
Tok_TQSign , /* ? 8 */
Tok_Eq , /* = 9 */
Tok_Slash , /* / 10 */
Tok_Exclam , /* ! 11 */
Tok_Bar , /* | 12 */
Tok_LParen , /* ( 13 */
Tok_RParen , /* ) 14 */
Tok_LBracket , /* [ 15 */
Tok_RBracket , /* ] 16 */
Tok_Plus , /* + 17 */
Tok_Asterisk , /* * 18 */
Tok_Comma , /* , 19 */
Tok_Semicolon , /* ; 20 */
Tok_NSign , /* # 21 */
Tok_Apostr , /* ' 22 */
Tok_Percent /* % 23 */
} ;
/**
* Create a XmlTokenizer instance for the given input stream.
*
* @param is The open input stream for reading.
*/
XmlTokenizer ( KOXML_ISTREAM & is ) ;
/**
* Destructor.
*/
~ XmlTokenizer ( ) ;
/**
* Return the next token from the stream.
* @return The next token from the stream.
*/
Token nextToken ( ) ;
/**
* Return the string representation of the current token.
*
* @return The string representation.
*/
const KOXML_STRING & element ( ) ;
KOXML_CHAR readchar ( ) ;
void putback ( KOXML_CHAR c ) ;
/**
* Cause the next call to method @p nextToken of this tokenizer
* to return the current token.
*/
void unget ( ) ;
inline int lineNumber ( ) { return lineno ; }
protected :
void skipWhitespace ( ) ;
Token readString ( ) ;
Token readSymbol ( ) ;
Token readText ( ) ;
Token readComment ( ) ;
private :
// TQIODevice *strm;
KOXML_STRING last_chars ;
KOXML_ISTREAM & istrm ;
KOXML_STRING elem ;
Token last_tok ;
bool use_last ;
bool is_open ;
int lineno ;
} ;
# endif
