diff options
Diffstat (limited to 'liba2ps/parseppd.y')
| -rw-r--r-- | liba2ps/parseppd.y | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/liba2ps/parseppd.y b/liba2ps/parseppd.y new file mode 100644 index 0000000..df4d863 --- /dev/null +++ b/liba2ps/parseppd.y @@ -0,0 +1,197 @@ +%{ /* -*- c -*- */ +/* + * Grammar for parsing the style sheets + * + * Copyright (c) 1988-1993 Miguel Santana + * Copyright (c) 1995-1999 Akim Demaille, Miguel Santana + * + */ + +/* + * This file is part of a2ps + * + * 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 3, 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; see the file COPYING. If not, write to + * the Free Software Foundation, 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * $Id: parseppd.y,v 1.1.1.1.2.1 2007/12/29 01:58:21 mhatta Exp $ + */ + +#include <config.h> + +#include "a2ps.h" + +#include "jobs.h" +#include "ppd.h" +#include "message.h" +#include "routines.h" +#include "lexppd.h" + +#define YYDEBUG 1 +#define YYERROR_VERBOSE 1 +#define YYPRINT(file, type, value) yyprint (file, type, value) + +/* Comes from the caller */ +extern FILE * ppdin; +extern struct a2ps_job * job; + +/* Local prototypes */ +void yyerror (const char *msg); +static void yyprint (); + +/* Initilizes the obstacks */ +void ppdlex_initialize (void); + +int yylex (void); + +static struct ppd * ppd_parse_result; + +%} +%union +{ + char * string; + unsigned char * ustring; + struct ppd * ppd; +} + +%token EOL +%token tDefaultFont tFont tModelName tNickName +%token <string> STRING SYMBOL +%token <ustring> USTRING + +%type <ppd> ppd +%type <string> font_clause + + +%% + +/************************************************************************/ +/* Top most */ +/************************************************************************/ +file : + ppd + { + ppd_parse_result = $1; + /* Nothing Right Now */; + } + ; + +ppd : + /* Empty */ + { + $$ = ppd_new (); + } + | ppd font_clause EOL + { + ppd_font_add ($1, $2); + $$ = $1; + } + | ppd tModelName ':' STRING EOL + { + if (!$1->modelname) + $1->modelname = $4; + $$ = $1; + } + | ppd tNickName ':' STRING EOL + { + if (!$1->nickname) + $1->nickname = $4; + $$ = $1; + } + | ppd SYMBOL + { + $$ = $1; + } + | ppd STRING + { + $$ = $1; + } + | ppd USTRING + { + $$ = $1; + } + | ppd ':' + { + $$ = $1; + } + | ppd EOL + { + $$ = $1; + } + ; + +/************************************************************************/ +/* *Font entry */ +/************************************************************************/ +font_clause : + tFont SYMBOL ':' SYMBOL STRING SYMBOL SYMBOL + { $$= $2; } + | tDefaultFont ':' SYMBOL + { $$= $3; } + ; +%% + +void +yyerror (const char *msg) +{ + error_at_line (1, 0, ppdfilename, ppdlineno, "%s", msg); +} + +/* + * For debugging + */ +static void +yyprint (FILE *file, int type, YYSTYPE value) +{ + switch (type) { + case STRING: + fprintf (file, " \"%s\"", value.string); + break; + + case SYMBOL: + fprintf (file, " %s", value.string); + break; + + case USTRING: + fprintf (file, " u\"%s\"", value.ustring); + break; + } +} + +struct ppd * +a2ps_ppd_parse (const char * filename, char * const * path) +{ + /* The filename won't be changed. */ + ppdfilename = (char *) filename; + ppdlineno = 1; + ppdin = xrfopen (ppdfilename); + ppdpath = path; + + message (msg_file | msg_ppd | msg_parse, + (stderr, "Parsing file `%s'\n", ppdfilename)); + + ppdlex_initialize (); + + if (msg_test (msg_parse)) + yydebug = true; + else + yydebug = false; + + yyparse (); /* FIXME: test return value? */ + + fclose (ppdin); + return ppd_parse_result; +} |