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/*
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This file is part of KIllustrator.
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Copyright (C) 1998 Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de)
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modified for kvoctrain by Ewald Arnold kvoctrain@ewald-arnold.dein April <EFBFBD>99
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*/
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#ifndef XmlTokenizer_h_
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#define XmlTokenizer_h_
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#include "koxml_config.h"
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/**
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* The XMLTokenizer class allows an application to break a XML stream
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* into tokens.
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*
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* @short A class for tokenizing an XML stream.
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* @author Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de), modifications: Ewald Arnold (kvoctrain@ewald-arnold.de)
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* @version 2000/07/02
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*/
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class XmlTokenizer {
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public:
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/**
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* The expected tokens for a XML stream.
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*/
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enum Token { Tok_Invalid, /* 0 */
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Tok_EOF, /* 1 */
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Tok_Symbol, /* 2 */
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Tok_String, /* 3 */
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Tok_Text, /* 4 */
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Tok_Comment, /* 5 */
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Tok_Lt, /* < 6 */
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Tok_Gt, /* > 7 */
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Tok_TQSign, /* ? 8 */
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Tok_Eq, /* = 9 */
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Tok_Slash, /* / 10 */
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Tok_Exclam, /* ! 11 */
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Tok_Bar, /* | 12 */
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Tok_LParen, /* ( 13 */
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Tok_RParen, /* ) 14 */
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Tok_LBracket, /* [ 15 */
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Tok_RBracket, /* ] 16 */
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Tok_Plus, /* + 17 */
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Tok_Asterisk, /* * 18 */
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Tok_Comma, /* , 19 */
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Tok_Semicolon,/* ; 20 */
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Tok_NSign, /* # 21 */
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Tok_Apostr, /* ' 22 */
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Tok_Percent /* % 23 */
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};
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/**
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* Create a XmlTokenizer instance for the given input stream.
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*
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* @param is The open input stream for reading.
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*/
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XmlTokenizer (KOXML_ISTREAM& is);
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/**
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* Destructor.
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*/
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~XmlTokenizer ();
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/**
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* Return the next token from the stream.
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* @return The next token from the stream.
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*/
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Token nextToken ();
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/**
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* Return the string representation of the current token.
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*
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* @return The string representation.
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*/
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const KOXML_STRING& element ();
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KOXML_CHAR readchar ();
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void putback (KOXML_CHAR c);
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/**
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* Cause the next call to method @p nextToken of this tokenizer
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* to return the current token.
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*/
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void unget ();
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inline int lineNumber() { return lineno; }
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protected:
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void skipWhitespace ();
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Token readString ();
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Token readSymbol ();
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Token readText ();
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Token readComment ();
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private:
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// TQIODevice *strm;
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KOXML_STRING last_chars;
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KOXML_ISTREAM &istrm;
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KOXML_STRING elem;
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Token last_tok;
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bool use_last;
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bool is_open;
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int lineno;
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};
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#endif
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