[PATCH v2 3/7] grep: move pattern-type bits support to top-level grep.[ch]
- From
Junio C Hamano <gitster@pobox.com>
- Date
- Oct 10, 2012, 07:55 UTC
- Message-ID
- <1349855714-17008-4-git-send-email-gitster@pobox.com>
- In-Reply-To
- <1349855714-17008-1-git-send-email-gitster@pobox.com>
Switching between -E/-G/-P/-F correctly needs a lot more than just flipping opt->regflags bit these days, and we have a nice helper function buried in builtin/grep.c for the sole use of "git grep".
Extract it so that "log --grep" family can also use it.
Signed-off-by: Junio C Hamano <gitster@pobox.com> --- builtin/grep.c | 40 +--------------------------------------- grep.c | 42 ++++++++++++++++++++++++++++++++++++++++++ grep.h | 2 ++ 3 files changed, 45 insertions(+), 39 deletions(-)
diff --git a/builtin/grep.c b/builtin/grep.c index b63a9f8..c296e6f 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -261,38 +261,6 @@ static int wait_all(void) } #endif -static void grep_pattern_type_options(const int pattern_type, struct grep_opt *opt) -{ - switch (pattern_type) { - case GREP_PATTERN_TYPE_UNSPECIFIED: - /* fall through */ - - case GREP_PATTERN_TYPE_BRE: - opt->fixed = 0; - opt->pcre = 0; - opt->regflags &= ~REG_EXTENDED; - break; - - case GREP_PATTERN_TYPE_ERE: - opt->fixed = 0; - opt->pcre = 0; - opt->regflags |= REG_EXTENDED; - break; - - case GREP_PATTERN_TYPE_FIXED: - opt->fixed = 1; - opt->pcre = 0; - opt->regflags &= ~REG_EXTENDED; - break; - - case GREP_PATTERN_TYPE_PCRE: - opt->fixed = 0; - opt->pcre = 1; - opt->regflags &= ~REG_EXTENDED; - break; - } -} - static int grep_cmd_config(const char *var, const char *value, void *cb) { int st = grep_config(var, value, cb); @@ -798,13 +766,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_STOP_AT_NON_OPTION | PARSE_OPT_NO_INTERNAL_HELP); - - if (pattern_type_arg != GREP_PATTERN_TYPE_UNSPECIFIED) - grep_pattern_type_options(pattern_type_arg, &opt); - else if (opt.pattern_type_option != GREP_PATTERN_TYPE_UNSPECIFIED) - grep_pattern_type_options(opt.pattern_type_option, &opt); - else if (opt.extended_regexp_option) - grep_pattern_type_options(GREP_PATTERN_TYPE_ERE, &opt); + grep_commit_pattern_type(pattern_type_arg, &opt); if (use_index && !startup_info->have_repository) /* die the same way as if we did it at the beginning */ diff --git a/grep.c b/grep.c index 621e6ec..279a559 100644 --- a/grep.c +++ b/grep.c @@ -137,6 +137,48 @@ void grep_init(struct grep_opt *opt, const char *prefix) strcpy(opt->color_sep, def->color_sep); } +void grep_commit_pattern_type(enum grep_pattern_type pattern_type, struct grep_opt *opt) +{ + if (pattern_type != GREP_PATTERN_TYPE_UNSPECIFIED) + grep_set_pattern_type_option(pattern_type, opt); + else if (opt->pattern_type_option != GREP_PATTERN_TYPE_UNSPECIFIED) + grep_set_pattern_type_option(opt->pattern_type_option, opt); + else if (opt->extended_regexp_option) + grep_set_pattern_type_option(GREP_PATTERN_TYPE_ERE, opt); +} + +void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, struct grep_opt *opt) +{ + switch (pattern_type) { + case GREP_PATTERN_TYPE_UNSPECIFIED: + /* fall through */ + + case GREP_PATTERN_TYPE_BRE: + opt->fixed = 0; + opt->pcre = 0; + opt->regflags &= ~REG_EXTENDED; + break; + + case GREP_PATTERN_TYPE_ERE: + opt->fixed = 0; + opt->pcre = 0; + opt->regflags |= REG_EXTENDED; + break; + + case GREP_PATTERN_TYPE_FIXED: + opt->fixed = 1; + opt->pcre = 0; + opt->regflags &= ~REG_EXTENDED; + break; + + case GREP_PATTERN_TYPE_PCRE: + opt->fixed = 0; + opt->pcre = 1; + opt->regflags &= ~REG_EXTENDED; + break; + } +} + static struct grep_pat *create_grep_pat(const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t, diff --git a/grep.h b/grep.h index 9aa1cc7..701c784 100644 --- a/grep.h +++ b/grep.h @@ -141,6 +141,8 @@ struct grep_opt { extern void init_grep_defaults(void); extern int grep_config(const char *var, const char *value, void *); extern void grep_init(struct grep_opt *, const char *prefix); +void grep_set_pattern_type_option(enum grep_pattern_type, struct grep_opt *opt); +void grep_commit_pattern_type(enum grep_pattern_type, struct grep_opt *opt); extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t); extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
-- 1.8.0.rc1.76.g5a375e6