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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 13:19:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 13:19:22 +0000 |
commit | c21c3b0befeb46a51b6bf3758ffa30813bea0ff0 (patch) | |
tree | 9754ff1ca740f6346cf8483ec915d4054bc5da2d /fluent-bit/lib/onigmo/sample/syntax.c | |
parent | Adding upstream version 1.43.2. (diff) | |
download | netdata-c21c3b0befeb46a51b6bf3758ffa30813bea0ff0.tar.xz netdata-c21c3b0befeb46a51b6bf3758ffa30813bea0ff0.zip |
Adding upstream version 1.44.3.upstream/1.44.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/lib/onigmo/sample/syntax.c')
-rw-r--r-- | fluent-bit/lib/onigmo/sample/syntax.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/fluent-bit/lib/onigmo/sample/syntax.c b/fluent-bit/lib/onigmo/sample/syntax.c new file mode 100644 index 000000000..ac74788da --- /dev/null +++ b/fluent-bit/lib/onigmo/sample/syntax.c @@ -0,0 +1,76 @@ +/* + * syntax.c + */ +#include <stdio.h> +#include <string.h> +#include "onigmo.h" + +extern int exec(const OnigSyntaxType* syntax, + char* apattern, char* astr) +{ + int r; + unsigned char *start, *range, *end; + regex_t* reg; + OnigErrorInfo einfo; + OnigRegion *region; + UChar* pattern = (UChar* )apattern; + UChar* str = (UChar* )astr; + + r = onig_new(®, pattern, pattern + strlen((char* )pattern), + ONIG_OPTION_DEFAULT, ONIG_ENCODING_ASCII, syntax, &einfo); + if (r != ONIG_NORMAL) { + OnigUChar s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str(s, r, &einfo); + fprintf(stderr, "ERROR: %s\n", s); + return -1; + } + + region = onig_region_new(); + + end = str + strlen((char* )str); + start = str; + range = end; + r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE); + if (r >= 0) { + int i; + + fprintf(stderr, "match at %d\n", r); + for (i = 0; i < region->num_regs; i++) { + fprintf(stderr, "%d: (%ld-%ld)\n", i, region->beg[i], region->end[i]); + } + r = 0; + } + else if (r == ONIG_MISMATCH) { + fprintf(stderr, "search fail\n"); + r = -1; + } + else { /* error */ + OnigUChar s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str(s, r); + fprintf(stderr, "ERROR: %s\n", s); + return -1; + } + + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + onig_free(reg); + onig_end(); + return r; +} + +extern int main(int argc, char* argv[]) +{ + int r = 0; + + r |= exec(ONIG_SYNTAX_PERL, + "\\p{XDigit}\\P{XDigit}\\p{^XDigit}\\P{^XDigit}\\p{XDigit}", + "bgh3a"); + + r |= exec(ONIG_SYNTAX_JAVA, + "\\p{XDigit}\\P{XDigit}[a-c&&b-g]\\u0020[\\u0021]", "bgc !"); + + r |= exec(ONIG_SYNTAX_ASIS, + "abc def* e+ g?ddd[a-rvvv] (vv){3,7}hv\\dvv(?:aczui ss)\\W\\w$", + "abc def* e+ g?ddd[a-rvvv] (vv){3,7}hv\\dvv(?:aczui ss)\\W\\w$"); + onig_end(); + return r; +} |