You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
3.3 KiB
109 lines
3.3 KiB
/*
|
|
ksieve/lexer.h
|
|
|
|
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_LEXER_H__
|
|
#define __KSIEVE_LEXER_H__
|
|
|
|
class TQString;
|
|
|
|
namespace KSieve {
|
|
|
|
class Error;
|
|
|
|
class Lexer {
|
|
public:
|
|
enum Options {
|
|
IncludeComments = 0,
|
|
IgnoreComments = 1,
|
|
IncludeLineFeeds = 0,
|
|
IgnoreLineFeeds = 2
|
|
};
|
|
|
|
Lexer( const char * scursor, const char * send, int options=0 );
|
|
~Lexer();
|
|
|
|
/** Return whether comments are returned by @ref
|
|
nextToken. Default is to not ignore comments. Ignoring them
|
|
can speed up script parsing a bit, and can be used when the
|
|
internal representation of the script won't be serialized into
|
|
string form again (or if you simply want to delete all
|
|
comments)
|
|
**/
|
|
bool ignoreComments() const;
|
|
|
|
/** Return whether line feeds are returned by @ref
|
|
nextToken. Default is to not ignore line feeds. Ignoring them
|
|
can speed up script parsing a bit, and can be used when the
|
|
internal representation of the script won't be serialized into
|
|
string form again.
|
|
**/
|
|
bool ignoreLineFeeds() const;
|
|
|
|
const Error & error() const;
|
|
|
|
bool atEnd() const;
|
|
int column() const;
|
|
int line() const;
|
|
|
|
enum Token {
|
|
None = 0,
|
|
Number, // 1, 100, 1M, 10k, 1G, 2g, 3m
|
|
Identifier, // atom
|
|
Tag, // :tag
|
|
Special, // {} [] () ,;
|
|
QuotedString, // "foo\"bar" -> foo"bar
|
|
MultiLineString, // text: \nfoo\n. -> foo
|
|
HashComment, // # foo
|
|
BracketComment, // /* foo */
|
|
LineFeeds // the number of line feeds encountered
|
|
};
|
|
|
|
/** Parse the next token and return it's type. @p result will contain
|
|
the value of the token. */
|
|
Token nextToken( TQString & result );
|
|
|
|
void save();
|
|
void restore();
|
|
|
|
class Impl;
|
|
private:
|
|
Impl * i;
|
|
|
|
private:
|
|
const Lexer & operator=( const Lexer & );
|
|
Lexer( const Lexer & );
|
|
};
|
|
|
|
} // namespace KSieve
|
|
|
|
#endif // __KSIEVE_LEXER_H__
|