+++ /dev/null
-/* -*-c-*-
- *
- * $Id: field-parse.c,v 1.4 2004/04/08 01:36:15 mdw Exp $
- *
- * Parse field descriptions
- *
- * (c) 2004 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of Catacomb.
- *
- * Catacomb is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * Catacomb 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 Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with Catacomb; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-/*----- Header files ------------------------------------------------------*/
-
-#include "field.h"
-
-/*----- Main code ---------------------------------------------------------*/
-
-/* --- @field_parse@ --- *
- *
- * Arguments: @qd_parse *qd@ = parser context
- *
- * Returns: Field pointer if OK, or null.
- *
- * Use: Parses a field description, which has the form
- *
- * * `prime', `niceprime' or `binpoly'
- * * an optional `:'
- * * the field modulus
- */
-
-field *field_parse(qd_parse *qd)
-{
- field *f = 0;
- mp *m = MP_NEW, *b = MP_NEW;
-
- switch (qd_enum(qd, "prime,niceprime,binpoly,binnorm")) {
- case 0:
- qd_delim(qd, ':');
- if ((m = qd_getmp(qd)) == 0) goto done;
- f = field_prime(m);
- break;
- case 1:
- qd_delim(qd, ':');
- if ((m = qd_getmp(qd)) == 0) goto done;
- f = field_niceprime(m);
- break;
- case 2:
- qd_delim(qd, ':');
- if ((m = qd_getmp(qd)) == 0) goto done;
- f = field_binpoly(m);
- break;
- case 3:
- qd_delim(qd, ':');
- if ((m = qd_getmp(qd)) == 0) goto done;
- qd_delim(qd, ',');
- if ((b = qd_getmp(qd)) == 0) goto done;
- f = field_binnorm(m, b);
- break;
- default:
- goto done;
- }
- if (!f) qd->e = "bad field parameters";
-done:
- mp_drop(m);
- mp_drop(b);
- return (f);
-}
-
-/*----- That's all, folks -------------------------------------------------*/