109 lines
2.5 KiB
Text
109 lines
2.5 KiB
Text
%{
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/*
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* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (c) 2001-2002 by Hiroyuki Yamamoto & The Sylpheed Claws Team.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include <glib.h>
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#include "matcher_parser_lex.h"
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#include "matcher_parser_parse.h"
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#define MAX_STR_CONST 512
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#define YY_NO_UNPUT 1
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static char string_buf[MAX_STR_CONST];
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static char *string_buf_ptr;
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static void add_char(char ch)
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{
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if (string_buf_ptr - string_buf < sizeof(string_buf))
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*string_buf_ptr++ = ch;
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}
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/* this function will reinitializes the parser */
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void matcher_parser_init(void)
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{
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BEGIN(0);
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}
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%}
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%option prefix="matcher_parser"
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%option outfile="lex.yy.c"
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%option yylineno
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%x string
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%x section
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%%
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/*
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* a keyword consists of alpha and underscore
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* characters, possibly preceded by a tilde (~)
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*/
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(~|[a-z])[a-z_]* {
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gint id;
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if (-1 == (id = get_matchparser_tab_id(yytext))) {
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REJECT;
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} else
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return id;
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}
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[ \t]+
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"\n" return MATCHER_EOL;
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"&" return MATCHER_AND;
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"|" return MATCHER_OR;
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\" {
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BEGIN(string);
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string_buf_ptr = string_buf;
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}
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/* alfons - OK, the new attempt is to just swallow
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* *EVERYTHING* and make sure everything is escaped
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* when actually performing things. */
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<string>\\\" {
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/* take care of escaped \" because this means the
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* quote char should be skipped */
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add_char('\\');
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add_char('\"');
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}
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<string>\" {
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/* get out of the state: string ends. */
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BEGIN(0);
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*string_buf_ptr = '\0';
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yylval.str = string_buf;
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return MATCHER_STRING;
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}
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/* put everything else in the output. */
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<string>. {
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add_char(yytext[0]);
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}
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\[[^\[\]]*\] {
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BEGIN(0);
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yylval.str = yytext + 1;
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yytext[strlen(yytext) - 1] = '\0';
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return MATCHER_SECTION;
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}
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[-+]?[0-9]+ {
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yylval.str = yytext;
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return MATCHER_INTEGER;
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}
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%%
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