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Diffstat (limited to 'zbar/config.c')
| -rw-r--r-- | zbar/config.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/zbar/config.c b/zbar/config.c new file mode 100644 index 0000000..1b2a39b --- /dev/null +++ b/zbar/config.c @@ -0,0 +1,171 @@ +/*------------------------------------------------------------------------ + * 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); +} |