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|
/* *********************************************************************** */
/* A parser definition for Mailfilter's RFC 822 parser */
/* Copyright (c) 2000 - 2009 Andreas Bauer <baueran@gmail.com> */
/* */
/* This program is free software; you can redistribute it and/or modify */
/* it under the terms of the GNU General Public License as published by */
/* the Free Software Foundation; either version 2 of the License, or */
/* (at your option) any later version. */
/* */
/* This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, */
/* USA. */
/* *********************************************************************** */
%{
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <string>
#include <stdexcept>
#include "header.hh"
// This is necessary to use multiple lexer classes. See the flex man
// page for further information.
#undef yyFlexLexer
#define yyFlexLexer rfcFlexLexer
#include <FlexLexer.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
// We want to give the Preferences object as parameter for yyparse
// #define YYPARSE_PARAM param
using namespace std;
extern FlexLexer* rfclexer;
inline int yylex ()
{ return rfclexer->rfclex (); }
extern "C"
{
#include "header.hh"
// int rfcparse (void*);
int rfcparse (const char*);
void rfcerror (const char* str, const char* tmp)
{
cerr << PACKAGE_NAME << ": Error: Parser reported " << str;
cerr << "." << endl;
exit (-1);
}
}
%}
%union { char* sval; };
%token <sval> HEADER_END
%token <sval> TOPLINE
%token <sval> TAG
%token <sval> BODY
%token <sval> BODY_MULTI_LINE
%type <sval> bodies
%right BODY
// %lex-param {Header* param}
%parse-param {const char* param}
// %define parse.error verbose
%%
header: /* empty */
| header entry
;
entry: the_end
| TAG bodies
{
try
{
((Header*)param)->add_entry ($1, $2);
free ($1); free ($2);
}
catch (const std::exception &e)
{
throw e;
}
}
;
bodies: BODY { $$ = $1; }
| bodies BODY
{ char* tmp = (char*)malloc ((strlen ($1) + strlen ($2) + 2)
* sizeof (char));
if (tmp)
{
strcpy (tmp, $1);
$$ = strcat (tmp, $2);
free ($1); free ($2);
}
else
{
std::cerr << "Out of memory error in rfcparser."
<< std::endl;
exit (-1);
}
}
;
the_end: HEADER_END
{ ; }
;
%%
|
