release-1.10release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change
on this file since ab225e0 was
d43edd2,
checked in by Anders Kaseorg <andersk@mit.edu>, 15 years ago
|
Death to RCS keywords.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
|
-
Property mode set to
100644
|
File size:
1.5 KB
|
Rev | Line | |
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[7d4fbcd] | 1 | #include <string.h> |
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| 2 | #include "owl.h" |
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| 3 | |
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[e187445] | 4 | void owl_regex_init(owl_regex *re) |
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| 5 | { |
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[7d4fbcd] | 6 | re->negate=0; |
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| 7 | re->string=NULL; |
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| 8 | } |
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| 9 | |
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[e187445] | 10 | int owl_regex_create(owl_regex *re, char *string) |
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| 11 | { |
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[7d4fbcd] | 12 | int ret; |
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[554a2b8] | 13 | char buff1[LINE]; |
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[7d4fbcd] | 14 | char *ptr; |
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| 15 | |
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| 16 | re->string=owl_strdup(string); |
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| 17 | |
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| 18 | ptr=string; |
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| 19 | re->negate=0; |
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| 20 | if (string[0]=='!') { |
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| 21 | ptr++; |
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| 22 | re->negate=1; |
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| 23 | } |
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| 24 | |
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| 25 | /* set the regex */ |
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| 26 | ret=regcomp(&(re->re), ptr, REG_EXTENDED|REG_ICASE); |
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| 27 | if (ret) { |
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| 28 | regerror(ret, NULL, buff1, LINE); |
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[554a2b8] | 29 | owl_function_makemsg("Error in regular expression: %s", buff1); |
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[7d4fbcd] | 30 | owl_free(re->string); |
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[a6560fe] | 31 | re->string=NULL; |
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[7d4fbcd] | 32 | return(-1); |
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| 33 | } |
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| 34 | |
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| 35 | return(0); |
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| 36 | } |
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| 37 | |
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[bc08664] | 38 | int owl_regex_create_quoted(owl_regex *re, char *string) |
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| 39 | { |
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| 40 | char *quoted; |
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| 41 | |
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| 42 | quoted=owl_text_quote(string, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH); |
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| 43 | owl_regex_create(re, quoted); |
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| 44 | owl_free(quoted); |
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| 45 | return(0); |
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| 46 | } |
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| 47 | |
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[e187445] | 48 | int owl_regex_compare(owl_regex *re, char *string) |
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| 49 | { |
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[7d4fbcd] | 50 | int out, ret; |
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| 51 | |
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| 52 | /* if the regex is not set we match */ |
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| 53 | if (!owl_regex_is_set(re)) { |
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| 54 | return(0); |
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| 55 | } |
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| 56 | |
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| 57 | ret=regexec(&(re->re), string, 0, NULL, 0); |
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| 58 | out=ret; |
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| 59 | if (re->negate) { |
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| 60 | out=!out; |
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| 61 | } |
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| 62 | return(out); |
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| 63 | } |
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| 64 | |
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[e187445] | 65 | int owl_regex_is_set(owl_regex *re) |
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| 66 | { |
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[7d4fbcd] | 67 | if (re->string) return(1); |
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| 68 | return(0); |
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| 69 | } |
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| 70 | |
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[e187445] | 71 | char *owl_regex_get_string(owl_regex *re) |
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| 72 | { |
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[7d4fbcd] | 73 | return(re->string); |
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| 74 | } |
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| 75 | |
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[e187445] | 76 | void owl_regex_copy(owl_regex *a, owl_regex *b) |
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| 77 | { |
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[7d4fbcd] | 78 | b->negate=a->negate; |
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| 79 | b->string=owl_strdup(a->string); |
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| 80 | memcpy(&(b->re), &(a->re), sizeof(regex_t)); |
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| 81 | } |
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| 82 | |
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[e187445] | 83 | void owl_regex_free(owl_regex *re) |
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| 84 | { |
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[cb769bb] | 85 | if (re->string) { |
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| 86 | owl_free(re->string); |
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| 87 | regfree(&(re->re)); |
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| 88 | } |
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[7d4fbcd] | 89 | } |
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