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/* -*- c++ -*-
impl/parser.h
Internal header file. Subject to change without notice. DO NOT USE.
This file is part of KSieve,
the KDE internet mail/usenet news message filtering library.
Copyright (c) 2003 Marc Mutz <mutz@kde.org>
KSieve is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
KSieve is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the TQt library by Trolltech AS, Norway (or with modified versions
of TQt that use the same license as TQt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
TQt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#ifndef __KSIEVE_IMPL_PARSER_H__
#define __KSIEVE_IMPL_PARSER_H__
#include <ksieve/parser.h>
#include <ksieve/error.h>
#include <ksieve/lexer.h>
#include <impl/lexer.h>
#include <ksieve/scriptbuilder.h>
namespace KSieve {
class Parser::Impl {
friend class Parser;
private:
Impl( const char * scursor, const char * const send, int options=0 );
void setScriptBuilder( ScriptBuilder * builder ) {
mBuilder = builder;
}
ScriptBuilder * scriptBuilder() const {
return mBuilder;
}
bool parse();
const Error & error() const { return mError == Error::None ? lexer.error() : mError ; }
bool parseCommandList();
bool parseCommand();
bool parseArgumentList();
bool parseArgument();
bool parseTestList();
bool parseTest();
bool parseBlock();
bool parseStringList();
bool parseNumber();
Lexer::Token token() const { return mToken; }
TQString tokenValue() const { return mTokenValue; }
bool atEnd() const {
return !mToken && lexer.atEnd() ;
}
bool obtainToken();
void consumeToken() {
mToken = Lexer::None;
mTokenValue = TQString();
}
void makeError( Error::Type e, int line, int col ) {
mError = Error( e, line, col );
if ( scriptBuilder() )
scriptBuilder()->error( mError );
}
void makeError( Error::Type e ) {
makeError( e, lexer.line(), lexer.column() );
}
void makeUnexpectedTokenError( Error::Type e ) {
makeError( e ); // ### save wrong token...
}
bool isArgumentToken() const;
bool isStringToken() const;
Error mError;
Lexer::Token mToken;
TQString mTokenValue;
Lexer::Impl lexer;
ScriptBuilder * mBuilder;
};
}
#endif // __KSIEVE_IMPL_PARSER_H__
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