diff options
Diffstat (limited to 'pcre.c')
| -rw-r--r-- | pcre.c | 101 |
1 files changed, 50 insertions, 51 deletions
@@ -27,6 +27,52 @@ int plugin_is_GPL_compatible; const int MAX_CAP = 256; /* maximum number of substrings to capture */ const int MAX_CAP_LEN = 3; /* number of decimal digits in MAX_CAP */ +/* set_comp_opt - set regexp option */ +int set_comp_opt(int opts, const char flag, const char *func) +{ + int b; /* PCRE configuration option value */ + + switch (flag) { + case 'i': /* ignore case */ + opts |= PCRE_CASELESS; break; + case 'm': /* multi-line */ + opts |= PCRE_MULTILINE; break; + case 's': /* single-line */ + opts |= PCRE_DOTALL; break; + case 'u': /* use Unicode properties */ + pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &b); + if (b) { + opts |= PCRE_UCP; + } else { + fprintf(stderr, "%s: PCRE library does not support " + "Unicode properties, `%c' option is " + "unavailable\n", + func, flag); + } + break; + case 'U': /* ungreedy quantifiers */ + opts |= PCRE_UNGREEDY; break; + case 'x': /* extended regexp */ + opts |= PCRE_EXTENDED; break; + case 'X': /* PCRE extras */ + opts |= PCRE_EXTRA; break; + case '8': /* UTF-8 */ + pcre_config(PCRE_CONFIG_UTF8, &b); + if (b) { + opts |= PCRE_UTF8; + } else { + fprintf(stderr, "%s: PCRE library does not support " + "UTF-8, `%c' option is unavailable\n", + func, flag); + } + break; + default: /* unknown option */ + fprintf(stderr, "%s: unknown option `%c'\n", func, flag); + break; + } + return opts; +} + /* set_vars() - set make variables to captured substrings */ int set_vars(const char *subj, int *ovec, const int ncap) { @@ -89,7 +135,6 @@ char *match(const char *name, int argc, char **argv) char *pat = NULL; /* expanded pattern */ char *p; /* iteration pointer */ int co = 0; /* pattern compilation options */ - int b; /* PCRE configuration option value */ pcre *re; /* compiled regexp */ const char *err; /* compilation error */ int erroffset; /* offset of pattern character where error occured */ @@ -104,63 +149,17 @@ char *match(const char *name, int argc, char **argv) case 'E': /* expand pattern */ pat = gmk_expand(argv[0]); break; - case 'i': /* ignore case */ - co |= PCRE_CASELESS; - break; - case 'm': /* multi-line */ - co |= PCRE_MULTILINE; - break; - case 's': /* single-line */ - co |= PCRE_DOTALL; - break; - case 'u': /* use Unicode properties */ - pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, - &b); - if (b) { - co |= PCRE_UCP; - } else { - fprintf(stderr, "%s: PCRE library " - "does not support " - "Unicode properties, " - "`%c' option is " - "unavailable\n", - name, *p); - } - break; - case 'U': /* ungreedy quantifiers */ - co |= PCRE_UNGREEDY; - break; - case 'x': /* extended regexp */ - co |= PCRE_EXTENDED; - break; - case 'X': /* PCRE extras */ - co |= PCRE_EXTRA; - break; - case '8': /* UTF-8 */ - pcre_config(PCRE_CONFIG_UTF8, &b); - if (b) { - co |= PCRE_UTF8; - } else { - fprintf(stderr, "%s: PCRE library " - "does not support " - "UTF-8, " - "`%c' option is " - "unavailable\n", - name, *p); - } - break; - default: /* unknown option */ - fprintf(stderr, "%s: unknown option `%c'\n", - name, *p); + default: /* not match specific option */ + co = set_comp_opt(co, *p, name); break; } } } if (pat == NULL) { /* compile unexpanded pattern */ - re = pcre_compile(argv[0], 0, &err, &erroffset, NULL); + re = pcre_compile(argv[0], co, &err, &erroffset, NULL); } else { /* compile expanded pattern */ - re = pcre_compile(pat, 0, &err, &erroffset, NULL); + re = pcre_compile(pat, co, &err, &erroffset, NULL); gmk_free(pat); } if (re == NULL) { /* compilation error */ |