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author | Jörg Frings-Fürst <debian@jff.email> | 2021-04-26 22:25:42 +0200 |
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committer | Jörg Frings-Fürst <debian@jff.email> | 2021-04-26 22:25:42 +0200 |
commit | 5d5f76cad47d13dc0dd4328c2172ddc1d4b19d7b (patch) | |
tree | cd59a8ea003d6768af284fc913353983e2794a58 /sample/callback_each_match.c | |
parent | eac65ba44805c402f894b700b602c2e891f92a84 (diff) | |
parent | 96b0c9871630512ec2c2e84072da0085d68d740f (diff) |
Merge branch 'release/debian/6.9.7.1-1'debian/6.9.7.1-1
Diffstat (limited to 'sample/callback_each_match.c')
-rw-r--r-- | sample/callback_each_match.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sample/callback_each_match.c b/sample/callback_each_match.c new file mode 100644 index 0000000..10ed56d --- /dev/null +++ b/sample/callback_each_match.c @@ -0,0 +1,168 @@ +/* + * callback_each_match.c + */ +#include <stdio.h> +#include <string.h> +#include "oniguruma.h" + +static int +each_match_callback(const UChar* str, const UChar* end, + const UChar* match_start, OnigRegion* region, void* user_data) +{ +#if 1 + fprintf(stdout, "each_match_callback:\n"); + fprintf(stdout, " match at: %ld - %d: %p\n", match_start - str, region->end[0], + user_data); + fprintf(stdout, " region[0]: %d - %d\n", region->beg[0], region->end[0]); +#else + int i; + i = region->beg[0]; + fputc('<', stdout); + while (i < region->end[0]) { + fputc((int )str[i], stdout); + i++; + } + fputc('>', stdout); +#endif + +#if 0 + /* terminate match/search if returns error code < 0 */ + return ONIG_ABORT; +#endif + + return ONIG_NORMAL; +} + +static int +search(UChar* pattern, UChar* str, OnigOptionType options, OnigOptionType runtime_options) +{ + int r; + unsigned char *start, *range, *end; + regex_t* reg; + OnigErrorInfo einfo; + OnigRegion *region; + OnigMatchParam* mp; + void* user_data; + + r = onig_new(®, pattern, pattern + strlen((char* )pattern), + options, ONIG_ENCODING_ASCII, ONIG_SYNTAX_DEFAULT, &einfo); + if (r != ONIG_NORMAL) { + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r, &einfo); + fprintf(stderr, "ERROR: %s\n", s); + return -1; + } + + region = onig_region_new(); + + end = str + strlen((char* )str); + start = str; + range = end; + mp = onig_new_match_param(); + if (mp == 0) return -2; + + user_data = (void* )0x1234; + onig_set_callout_user_data_of_match_param(mp, user_data); + + r = onig_search_with_param(reg, str, end, start, range, region, + runtime_options, mp); + onig_free_match_param(mp); + if (r >= 0) { + /* If ONIG_OPTION_CALLBACK_EACH_MATCH is used with + ONIG_OPTION_FIND_LONGEST, it may also return positive value. */ + fprintf(stdout, "\nr: %d\n", r); + } + else if (r == ONIG_MISMATCH) { + /* always return ONIG_MISMATCH if ONIG_OPTION_CALLBACK_EACH_MATCH */ + fprintf(stdout, "\n"); + } + else { /* error */ + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r); + fprintf(stderr, "ERROR: %s\n", s); + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + onig_free(reg); + onig_end(); + return -1; + } + + return 0; +} + +static int +match(UChar* pattern, UChar* str, UChar* at, OnigOptionType options, OnigOptionType runtime_options) +{ + int r; + unsigned char *start, *range, *end; + regex_t* reg; + OnigErrorInfo einfo; + OnigRegion *region; + OnigMatchParam* mp; + void* user_data; + + r = onig_new(®, pattern, pattern + strlen((char* )pattern), + options, ONIG_ENCODING_ASCII, ONIG_SYNTAX_DEFAULT, &einfo); + if (r != ONIG_NORMAL) { + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r, &einfo); + fprintf(stderr, "ERROR: %s\n", s); + return -1; + } + + region = onig_region_new(); + + end = str + strlen((char* )str); + start = str; + range = end; + mp = onig_new_match_param(); + if (mp == 0) return -2; + + user_data = (void* )0x1234; + onig_set_callout_user_data_of_match_param(mp, user_data); + + r = onig_match_with_param(reg, str, end, at, region, runtime_options, mp); + onig_free_match_param(mp); + if (r >= 0) { + /* If ONIG_OPTION_CALLBACK_EACH_MATCH is used with + ONIG_OPTION_FIND_LONGEST, it may also return positive value. */ + fprintf(stdout, "\nr: %d\n", r); + } + else if (r == ONIG_MISMATCH) { + /* always return ONIG_MISMATCH if ONIG_OPTION_CALLBACK_EACH_MATCH */ + fprintf(stdout, "\n"); + } + else { /* error */ + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r); + fprintf(stderr, "ERROR: %s\n", s); + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + onig_free(reg); + onig_end(); + return -1; + } + + return 0; +} + +extern int main(int argc, char* argv[]) +{ + OnigEncoding use_encs[1]; + + static UChar* pattern = (UChar* )"a(.*)\\Kb|[e-f]+"; + static UChar* str = (UChar* )"zzzzafffb"; + + use_encs[0] = ONIG_ENCODING_ASCII; + onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0])); + onig_set_callback_each_match(each_match_callback); + + fprintf(stdout, "<search>\n"); + search(pattern, str, ONIG_OPTION_NONE, ONIG_OPTION_CALLBACK_EACH_MATCH); + fprintf(stdout, "<search with FIND_LONGEST>\n"); + search(pattern, str, ONIG_OPTION_FIND_LONGEST, ONIG_OPTION_CALLBACK_EACH_MATCH); + + fprintf(stdout, "<match>\n"); + match(pattern, str, str + 5, ONIG_OPTION_NONE, ONIG_OPTION_CALLBACK_EACH_MATCH); + + onig_end(); + return 0; +} |