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/*------------------------------------------------------------------------
* Copyright 2008-2010 (c) Jeff Brown <spadix@users.sourceforge.net>
*
* This file is part of the ZBar Bar Code Reader.
*
* The ZBar Bar Code Reader is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* The ZBar Bar Code Reader 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser Public License
* along with the ZBar Bar Code Reader; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* http://sourceforge.net/projects/zbar
*------------------------------------------------------------------------*/
#include "config.h"
#include <stdlib.h> /* strtol */
#include <string.h> /* strchr, strncmp, strlen */
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <zbar.h>
int zbar_parse_config(const char *cfgstr, zbar_symbol_type_t *sym,
zbar_config_t *cfg, int *val)
{
const char *dot, *eq;
int len;
char negate;
if (!cfgstr)
return (1);
dot = strchr(cfgstr, '.');
if (dot) {
int len = dot - cfgstr;
if (!len || (len == 1 && !strncmp(cfgstr, "*", len)))
*sym = 0;
else if (len < 2)
return (1);
else if (!strncmp(cfgstr, "qrcode", len))
*sym = ZBAR_QRCODE;
else if (!strncmp(cfgstr, "sqcode", len))
*sym = ZBAR_SQCODE;
else if (!strncmp(cfgstr, "db", len))
*sym = ZBAR_DATABAR;
else if (len < 3)
return (1);
else if (!strncmp(cfgstr, "upca", len))
*sym = ZBAR_UPCA;
else if (!strncmp(cfgstr, "upce", len))
*sym = ZBAR_UPCE;
else if (!strncmp(cfgstr, "ean13", len))
*sym = ZBAR_EAN13;
else if (!strncmp(cfgstr, "ean8", len))
*sym = ZBAR_EAN8;
else if (!strncmp(cfgstr, "ean5", len))
*sym = ZBAR_EAN5;
else if (!strncmp(cfgstr, "ean2", len))
*sym = ZBAR_EAN2;
else if (!strncmp(cfgstr, "composite", len))
*sym = ZBAR_COMPOSITE;
else if (!strncmp(cfgstr, "i25", len))
*sym = ZBAR_I25;
else if (len < 4)
return (1);
else if (!strncmp(cfgstr, "scanner", len))
*sym = ZBAR_PARTIAL; /* FIXME lame */
else if (!strncmp(cfgstr, "isbn13", len))
*sym = ZBAR_ISBN13;
else if (!strncmp(cfgstr, "isbn10", len))
*sym = ZBAR_ISBN10;
else if (!strncmp(cfgstr, "db-exp", len))
*sym = ZBAR_DATABAR_EXP;
else if (!strncmp(cfgstr, "codabar", len))
*sym = ZBAR_CODABAR;
else if (len < 6)
return (1);
else if (!strncmp(cfgstr, "code93", len))
*sym = ZBAR_CODE93;
else if (!strncmp(cfgstr, "code39", len))
*sym = ZBAR_CODE39;
else if (!strncmp(cfgstr, "pdf417", len))
*sym = ZBAR_PDF417;
else if (len < 7)
return (1);
else if (!strncmp(cfgstr, "code128", len))
*sym = ZBAR_CODE128;
else if (!strncmp(cfgstr, "databar", len))
*sym = ZBAR_DATABAR;
else if (!strncmp(cfgstr, "databar-exp", len))
*sym = ZBAR_DATABAR_EXP;
else
return (1);
cfgstr = dot + 1;
} else
*sym = 0;
len = strlen(cfgstr);
eq = strchr(cfgstr, '=');
if (eq)
len = eq - cfgstr;
else
*val = 1; /* handle this here so we can override later */
negate = 0;
if (len > 3 && !strncmp(cfgstr, "no-", 3)) {
negate = 1;
cfgstr += 3;
len -= 3;
}
if (len < 1)
return (1);
else if (!strncmp(cfgstr, "y-density", len))
*cfg = ZBAR_CFG_Y_DENSITY;
else if (!strncmp(cfgstr, "x-density", len))
*cfg = ZBAR_CFG_X_DENSITY;
else if (len < 2)
return (1);
else if (!strncmp(cfgstr, "enable", len))
*cfg = ZBAR_CFG_ENABLE;
else if (len < 3)
return (1);
else if (!strncmp(cfgstr, "disable", len)) {
*cfg = ZBAR_CFG_ENABLE;
negate = !negate; /* no-disable ?!? */
} else if (!strncmp(cfgstr, "min-length", len))
*cfg = ZBAR_CFG_MIN_LEN;
else if (!strncmp(cfgstr, "max-length", len))
*cfg = ZBAR_CFG_MAX_LEN;
else if (!strncmp(cfgstr, "ascii", len))
*cfg = ZBAR_CFG_ASCII;
else if (!strncmp(cfgstr, "binary", len))
*cfg = ZBAR_CFG_BINARY;
else if (!strncmp(cfgstr, "add-check", len))
*cfg = ZBAR_CFG_ADD_CHECK;
else if (!strncmp(cfgstr, "emit-check", len))
*cfg = ZBAR_CFG_EMIT_CHECK;
else if (!strncmp(cfgstr, "uncertainty", len))
*cfg = ZBAR_CFG_UNCERTAINTY;
else if (!strncmp(cfgstr, "test-inverted", len))
*cfg = ZBAR_CFG_TEST_INVERTED;
else if (!strncmp(cfgstr, "position", len))
*cfg = ZBAR_CFG_POSITION;
else
return (1);
if (eq) {
#ifdef HAVE_ERRNO_H
errno = 0;
#endif
*val = strtol(eq + 1, NULL, 0);
#ifdef HAVE_ERRNO_H
if (errno)
return (1);
#endif
}
if (negate)
*val = !*val;
return (0);
}
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