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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Universal/RegularExpressionDxe/oniguruma/sample/echo.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Universal/RegularExpressionDxe/oniguruma/sample/echo.c')
-rw-r--r-- | roms/edk2/MdeModulePkg/Universal/RegularExpressionDxe/oniguruma/sample/echo.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Universal/RegularExpressionDxe/oniguruma/sample/echo.c b/roms/edk2/MdeModulePkg/Universal/RegularExpressionDxe/oniguruma/sample/echo.c new file mode 100644 index 000000000..76df20770 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Universal/RegularExpressionDxe/oniguruma/sample/echo.c @@ -0,0 +1,136 @@ +/* + * echo.c + */ +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "oniguruma.h" + +static int +echo(OnigCalloutArgs* args, void* user_data) +{ + int r; + OnigCalloutIn in; + OnigType type; + OnigValue val; + FILE* fp; + + fp = stdout; + + in = onig_get_callout_in_by_callout_args(args); + + r = onig_get_arg_by_callout_args(args, 1, &type, &val); + if (r != ONIG_NORMAL) return r; + + if (in == ONIG_CALLOUT_IN_PROGRESS) { + if (val.c == '<') + return ONIG_CALLOUT_SUCCESS; + } + else { + if (val.c != 'X' && val.c != '<') + return ONIG_CALLOUT_SUCCESS; + } + + r = onig_get_arg_by_callout_args(args, 0, &type, &val); + if (r != ONIG_NORMAL) return r; + + + fprintf(fp, "%s %s\n", + (in == ONIG_CALLOUT_IN_PROGRESS ? "=>" : "<="), + val.s.start); + fflush(fp); + + return ONIG_CALLOUT_SUCCESS; +} + + +static int +test(OnigEncoding enc, char* in_pattern, char* in_str) +{ + int r; + unsigned char *start, *range, *end; + regex_t* reg; + OnigErrorInfo einfo; + OnigRegion *region; + UChar* pattern; + UChar* str; + + pattern = (UChar* )in_pattern; + str = (UChar* )in_str; + + r = onig_new(®, pattern, pattern + strlen((char* )pattern), + ONIG_OPTION_DEFAULT, enc, 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, "COMPILE ERROR: %d: %s\n", r, 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: (%d-%d)\n", i, region->beg[i], region->end[i]); + } + } + else if (r == ONIG_MISMATCH) { + fprintf(stderr, "search fail\n"); + } + else { /* error */ + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r); + fprintf(stderr, "SEARCH ERROR: %d: %s\n", r, s); + } + + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + onig_free(reg); + return r; +} + +extern int main(int argc, char* argv[]) +{ + int r; + int id; + UChar* name; + OnigEncoding use_encs[1]; + OnigType arg_types[4]; + OnigValue opt_defaults[4]; + OnigEncoding enc; + + enc = ONIG_ENCODING_UTF8; + use_encs[0] = enc; + + r = onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0])); + if (r != ONIG_NORMAL) return -1; + + name = (UChar* )"echo"; + arg_types[0] = ONIG_TYPE_STRING; + arg_types[1] = ONIG_TYPE_CHAR; + opt_defaults[0].s.start = (UChar* )"echo"; + opt_defaults[0].s.end = opt_defaults[0].s.start + + strlen((char* )opt_defaults[0].s.start); + opt_defaults[1].c = '>'; + + id = onig_set_callout_of_name(enc, ONIG_CALLOUT_TYPE_SINGLE, + name, name + strlen((char* )name), + ONIG_CALLOUT_IN_BOTH, echo, 0, + 2, arg_types, 2, opt_defaults); + if (id < 0) { + fprintf(stderr, "ERROR: fail to set callout of name: %s\n", name); + return -1; + } + + test(enc, "(?:(*echo{abc!!!})a|b)*", "abba"); + test(enc, "(?:(*echo{xyz,X})a|b)*", "abba"); + + onig_end(); + return 0; +} |