diff options
Diffstat (limited to 'bpeg.c')
| -rw-r--r-- | bpeg.c | 25 |
1 files changed, 20 insertions, 5 deletions
@@ -27,6 +27,7 @@ static const char *usage = ( " -h --help print the usage and quit\n" " -v --verbose print verbose debugging info\n" " -e --explain explain the matches\n" + " -j --json print matches as a list of JSON objects\n" " -i --ignore-case preform matching case-insensitively\n" " -d --define <name>:<def> define a grammar rule\n" " -D --define-string <name>:<def> define a grammar rule (string-pattern)\n" @@ -135,16 +136,17 @@ int main(int argc, char *argv[]) if (streq(argv[i], "--")) { ++i; break; - } else if (streq(argv[i], "--help") || streq(argv[i], "-h")) { + } else if (streq(argv[i], "--help")) { + flag_help: printf("%s\n", usage); return 0; - } else if (streq(argv[i], "--verbose") || streq(argv[i], "-v")) { + } else if (streq(argv[i], "--verbose")) { flags |= BPEG_VERBOSE; - } else if (streq(argv[i], "--explain") || streq(argv[i], "-e")) { + } else if (streq(argv[i], "--explain")) { flags |= BPEG_EXPLAIN; - } else if (streq(argv[i], "--json") || streq(argv[i], "-j")) { + } else if (streq(argv[i], "--json")) { flags |= BPEG_JSON; - } else if (streq(argv[i], "--ignore-case") || streq(argv[i], "-i")) { + } else if (streq(argv[i], "--ignore-case")) { flags |= BPEG_IGNORECASE; } else if (FLAG("--replace") || FLAG("-r")) { file_t *replace_file = spoof_file("<replace argument>", flag); @@ -200,6 +202,19 @@ int main(int argc, char *argv[]) ++npatterns; } else if (FLAG("--mode") || FLAG("-m")) { rule = flag; + } else if (argv[i][0] == '-' && argv[i][1] && argv[i][1] != '-') { // single-char flags + for (char *c = &argv[i][1]; *c; ++c) { + switch (*c) { + case 'h': goto flag_help; + case 'v': flags |= BPEG_VERBOSE; break; + case 'e': flags |= BPEG_EXPLAIN; break; + case 'j': flags |= BPEG_JSON; break; + case 'i': flags |= BPEG_IGNORECASE; break; + default: + printf("Unrecognized flag: -%c\n\n%s\n", *c, usage); + return 1; + } + } } else if (argv[i][0] != '-') { if (npatterns > 0) break; file_t *arg_file = spoof_file("<pattern argument>", argv[i]); |