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/*
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* echo.c
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "oniguruma.h"
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static int
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echo(OnigCalloutArgs* args, void* user_data)
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{
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int r;
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OnigCalloutIn in;
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OnigType type;
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OnigValue val;
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FILE* fp;
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fp = stdout;
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in = onig_get_callout_in_by_callout_args(args);
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r = onig_get_arg_by_callout_args(args, 1, &type, &val;;
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if (r != ONIG_NORMAL) return r;
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if (in == ONIG_CALLOUT_IN_PROGRESS) {
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if (val.c == '<')
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return ONIG_CALLOUT_SUCCESS;
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}
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else {
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if (val.c != 'X' && val.c != '<')
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return ONIG_CALLOUT_SUCCESS;
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}
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r = onig_get_arg_by_callout_args(args, 0, &type, &val;;
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if (r != ONIG_NORMAL) return r;
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fprintf(fp, "%s %s\n",
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(in == ONIG_CALLOUT_IN_PROGRESS ? "=>" : "<="),
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val.s.start);
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fflush(fp);
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return ONIG_CALLOUT_SUCCESS;
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}
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static int
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test(OnigEncoding enc, char* in_pattern, char* in_str)
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{
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int r;
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unsigned char *start, *range, *end;
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regex_t* reg;
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OnigErrorInfo einfo;
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OnigRegion *region;
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UChar* pattern;
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UChar* str;
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pattern = (UChar* )in_pattern;
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str = (UChar* )in_str;
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r = onig_new(®, pattern, pattern + strlen((char* )pattern),
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ONIG_OPTION_DEFAULT, enc, ONIG_SYNTAX_DEFAULT, &einfo);
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if (r != ONIG_NORMAL) {
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char s[ONIG_MAX_ERROR_MESSAGE_LEN];
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onig_error_code_to_str((UChar* )s, r, &einfo);
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fprintf(stderr, "COMPILE ERROR: %d: %s\n", r, s);
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return -1;
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}
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region = onig_region_new();
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end = str + strlen((char* )str);
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start = str;
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range = end;
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r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE);
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if (r >= 0) {
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int i;
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fprintf(stderr, "match at %d\n", r);
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for (i = 0; i < region->num_regs; i++) {
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fprintf(stderr, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]);
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}
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}
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else if (r == ONIG_MISMATCH) {
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fprintf(stderr, "search fail\n");
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}
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else { /* error */
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char s[ONIG_MAX_ERROR_MESSAGE_LEN];
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onig_error_code_to_str((UChar* )s, r);
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fprintf(stderr, "SEARCH ERROR: %d: %s\n", r, s);
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}
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onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
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onig_free(reg);
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return r;
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}
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extern int main(int argc, char* argv[])
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{
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int r;
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int id;
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UChar* name;
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OnigEncoding use_encs[1];
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OnigType arg_types[4];
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OnigValue opt_defaults[4];
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OnigEncoding enc;
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enc = ONIG_ENCODING_UTF8;
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use_encs[0] = enc;
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r = onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));
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if (r != ONIG_NORMAL) return -1;
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name = (UChar* )"echo";
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arg_types[0] = ONIG_TYPE_STRING;
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arg_types[1] = ONIG_TYPE_CHAR;
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opt_defaults[0].s.start = (UChar* )"echo";
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opt_defaults[0].s.end = opt_defaults[0].s.start +
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strlen((char* )opt_defaults[0].s.start);
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opt_defaults[1].c = '>';
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id = onig_set_callout_of_name(enc, ONIG_CALLOUT_TYPE_SINGLE,
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name, name + strlen((char* )name),
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ONIG_CALLOUT_IN_BOTH, echo, 0,
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2, arg_types, 2, opt_defaults);
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if (id < 0) {
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fprintf(stderr, "ERROR: fail to set callout of name: %s\n", name);
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return -1;
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}
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test(enc, "(?:(*echo{abc!!!})a|b)*", "abba");
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test(enc, "(?:(*echo{xyz,X})a|b)*", "abba");
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onig_end();
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return 0;
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}
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