/* kregex.c 
 * 正規表現を用いたマッチの例
 * REGEX: ap_regcomp / ap_regexec
*/

#define USAGE "Usage kregex <string> <pattern>\n"

#include "apr_general.h"
#include "apr_file_io.h"

#include "httpd.h"
#include "ap_regex.h"

#include "mystab.h"

int apr_my_main (int ac, char **av, apr_file_t * astdin, apr_file_t * astdout, apr_file_t * astderr, apr_pool_t * pool) {

  if (ac < 3) {
    apr_file_printf(astderr, USAGE);
    goto _ERROR_;
  }

  /* ap_regcomp / ap_regexec
   * INCLUDE httpd.h / ap_regex.h
   * LIB libhttpd.lib
   */
  {
    char *str=av[1];
    char *pattern = av[2];
    
    ap_regex_t preg;
    ap_regmatch_t regm[AP_MAX_REG_MATCH];

    /* 正規表現のコンパイル */

    if (0 == ap_regcomp(&preg, pattern, 0)) {

    /* 文字列のマッチング */
      if (0 == ap_regexec(&preg, str, AP_MAX_REG_MATCH, regm, 0)) {
        apr_file_printf(astdout, "Matched.\n");
      } else {
        apr_file_printf(astdout, "Not matched.\n");
      }
    } else {
      apr_file_printf(astdout, "Not Regular Expression: [%s]\n", pattern);
    }

    /* 正規表現の開放 */
    ap_regfree(&preg);
  }

  apr_file_printf(astdout, "\ndone.\n");
  return 0; /* 正常終了 */

  _ERROR_:
  apr_file_printf(astderr, "\nfailed.\n");
  return 0; /* 異常終了 */
}