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-rw-r--r--grep.c125
1 files changed, 78 insertions, 47 deletions
diff --git a/grep.c b/grep.c
index cd7fc6f66c..f6bd89e40b 100644
--- a/grep.c
+++ b/grep.c
@@ -11,7 +11,8 @@
#include "help.h"
static int grep_source_load(struct grep_source *gs);
-static int grep_source_is_binary(struct grep_source *gs);
+static int grep_source_is_binary(struct grep_source *gs,
+ struct index_state *istate);
static struct grep_opt grep_defaults;
@@ -42,7 +43,7 @@ static void color_set(char *dst, const char *color_bytes)
* We could let the compiler do this, but without C99 initializers
* the code gets unwieldy and unreadable, so...
*/
-void init_grep_defaults(void)
+void init_grep_defaults(struct repository *repo)
{
struct grep_opt *opt = &grep_defaults;
static int run_once;
@@ -52,6 +53,7 @@ void init_grep_defaults(void)
run_once++;
memset(opt, 0, sizeof(*opt));
+ opt->repo = repo;
opt->relative = 1;
opt->pathname = 1;
opt->max_depth = -1;
@@ -65,6 +67,7 @@ void init_grep_defaults(void)
color_set(opt->colors[GREP_COLOR_MATCH_SELECTED], GIT_COLOR_BOLD_RED);
color_set(opt->colors[GREP_COLOR_SELECTED], "");
color_set(opt->colors[GREP_COLOR_SEP], GIT_COLOR_CYAN);
+ opt->only_matching = 0;
opt->color = -1;
opt->output = std_output;
}
@@ -148,17 +151,19 @@ int grep_config(const char *var, const char *value, void *cb)
* default values from the template we read the configuration
* information in an earlier call to git_config(grep_config).
*/
-void grep_init(struct grep_opt *opt, const char *prefix)
+void grep_init(struct grep_opt *opt, struct repository *repo, const char *prefix)
{
struct grep_opt *def = &grep_defaults;
int i;
memset(opt, 0, sizeof(*opt));
+ opt->repo = repo;
opt->prefix = prefix;
opt->prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
opt->pattern_tail = &opt->pattern_list;
opt->header_tail = &opt->header_list;
+ opt->only_matching = def->only_matching;
opt->color = def->color;
opt->extended_regexp_option = def->extended_regexp_option;
opt->pattern_type_option = def->pattern_type_option;
@@ -1404,26 +1409,9 @@ static int next_match(struct grep_opt *opt, char *bol, char *eol,
return hit;
}
-static void show_line(struct grep_opt *opt, char *bol, char *eol,
- const char *name, unsigned lno, ssize_t cno, char sign)
+static void show_line_header(struct grep_opt *opt, const char *name,
+ unsigned lno, ssize_t cno, char sign)
{
- int rest = eol - bol;
- const char *match_color, *line_color = NULL;
-
- if (opt->file_break && opt->last_shown == 0) {
- if (opt->show_hunk_mark)
- opt->output(opt, "\n", 1);
- } else if (opt->pre_context || opt->post_context || opt->funcbody) {
- if (opt->last_shown == 0) {
- if (opt->show_hunk_mark) {
- output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
- opt->output(opt, "\n", 1);
- }
- } else if (lno > opt->last_shown + 1) {
- output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
- opt->output(opt, "\n", 1);
- }
- }
if (opt->heading && opt->last_shown == 0) {
output_color(opt, name, strlen(name), opt->colors[GREP_COLOR_FILENAME]);
opt->output(opt, "\n", 1);
@@ -1451,38 +1439,78 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
output_color(opt, buf, strlen(buf), opt->colors[GREP_COLOR_COLUMNNO]);
output_sep(opt, sign);
}
- if (opt->color) {
+}
+
+static void show_line(struct grep_opt *opt, char *bol, char *eol,
+ const char *name, unsigned lno, ssize_t cno, char sign)
+{
+ int rest = eol - bol;
+ const char *match_color = NULL;
+ const char *line_color = NULL;
+
+ if (opt->file_break && opt->last_shown == 0) {
+ if (opt->show_hunk_mark)
+ opt->output(opt, "\n", 1);
+ } else if (opt->pre_context || opt->post_context || opt->funcbody) {
+ if (opt->last_shown == 0) {
+ if (opt->show_hunk_mark) {
+ output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
+ opt->output(opt, "\n", 1);
+ }
+ } else if (lno > opt->last_shown + 1) {
+ output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
+ opt->output(opt, "\n", 1);
+ }
+ }
+ if (!opt->only_matching) {
+ /*
+ * In case the line we're being called with contains more than
+ * one match, leave printing each header to the loop below.
+ */
+ show_line_header(opt, name, lno, cno, sign);
+ }
+ if (opt->color || opt->only_matching) {
regmatch_t match;
enum grep_context ctx = GREP_CONTEXT_BODY;
int ch = *eol;
int eflags = 0;
- if (sign == ':')
- match_color = opt->colors[GREP_COLOR_MATCH_SELECTED];
- else
- match_color = opt->colors[GREP_COLOR_MATCH_CONTEXT];
- if (sign == ':')
- line_color = opt->colors[GREP_COLOR_SELECTED];
- else if (sign == '-')
- line_color = opt->colors[GREP_COLOR_CONTEXT];
- else if (sign == '=')
- line_color = opt->colors[GREP_COLOR_FUNCTION];
+ if (opt->color) {
+ if (sign == ':')
+ match_color = opt->colors[GREP_COLOR_MATCH_SELECTED];
+ else
+ match_color = opt->colors[GREP_COLOR_MATCH_CONTEXT];
+ if (sign == ':')
+ line_color = opt->colors[GREP_COLOR_SELECTED];
+ else if (sign == '-')
+ line_color = opt->colors[GREP_COLOR_CONTEXT];
+ else if (sign == '=')
+ line_color = opt->colors[GREP_COLOR_FUNCTION];
+ }
*eol = '\0';
while (next_match(opt, bol, eol, ctx, &match, eflags)) {
if (match.rm_so == match.rm_eo)
break;
- output_color(opt, bol, match.rm_so, line_color);
+ if (opt->only_matching)
+ show_line_header(opt, name, lno, cno, sign);
+ else
+ output_color(opt, bol, match.rm_so, line_color);
output_color(opt, bol + match.rm_so,
match.rm_eo - match.rm_so, match_color);
+ if (opt->only_matching)
+ opt->output(opt, "\n", 1);
bol += match.rm_eo;
+ cno += match.rm_eo;
rest -= match.rm_eo;
eflags = REG_NOTBOL;
}
*eol = ch;
}
- output_color(opt, bol, rest, line_color);
- opt->output(opt, "\n", 1);
+ if (!opt->only_matching) {
+ output_color(opt, bol, rest, line_color);
+ opt->output(opt, "\n", 1);
+ }
}
#ifndef NO_PTHREADS
@@ -1520,7 +1548,7 @@ static int match_funcname(struct grep_opt *opt, struct grep_source *gs, char *bo
{
xdemitconf_t *xecfg = opt->priv;
if (xecfg && !xecfg->find_func) {
- grep_source_load_driver(gs);
+ grep_source_load_driver(gs, opt->repo->index);
if (gs->driver->funcname.pattern) {
const struct userdiff_funcname *pe = &gs->driver->funcname;
xdiff_set_find_func(xecfg, pe->pattern, pe->cflags);
@@ -1683,7 +1711,8 @@ static int look_ahead(struct grep_opt *opt,
return 0;
}
-static int fill_textconv_grep(struct userdiff_driver *driver,
+static int fill_textconv_grep(struct repository *r,
+ struct userdiff_driver *driver,
struct grep_source *gs)
{
struct diff_filespec *df;
@@ -1716,7 +1745,7 @@ static int fill_textconv_grep(struct userdiff_driver *driver,
* structure.
*/
grep_read_lock();
- size = fill_textconv(driver, df, &buf);
+ size = fill_textconv(r, driver, df, &buf);
grep_read_unlock();
free_filespec(df);
@@ -1776,7 +1805,7 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
opt->last_shown = 0;
if (opt->allow_textconv) {
- grep_source_load_driver(gs);
+ grep_source_load_driver(gs, opt->repo->index);
/*
* We might set up the shared textconv cache data here, which
* is not thread-safe.
@@ -1793,11 +1822,11 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
if (!textconv) {
switch (opt->binary) {
case GREP_BINARY_DEFAULT:
- if (grep_source_is_binary(gs))
+ if (grep_source_is_binary(gs, opt->repo->index))
binary_match_only = 1;
break;
case GREP_BINARY_NOMATCH:
- if (grep_source_is_binary(gs))
+ if (grep_source_is_binary(gs, opt->repo->index))
return 0; /* Assume unmatch */
break;
case GREP_BINARY_TEXT:
@@ -1812,7 +1841,7 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
try_lookahead = should_lookahead(opt);
- if (fill_textconv_grep(textconv, gs) < 0)
+ if (fill_textconv_grep(opt->repo, textconv, gs) < 0)
return 0;
bol = gs->buf;
@@ -2143,22 +2172,24 @@ static int grep_source_load(struct grep_source *gs)
BUG("invalid grep_source type to load");
}
-void grep_source_load_driver(struct grep_source *gs)
+void grep_source_load_driver(struct grep_source *gs,
+ struct index_state *istate)
{
if (gs->driver)
return;
grep_attr_lock();
if (gs->path)
- gs->driver = userdiff_find_by_path(gs->path);
+ gs->driver = userdiff_find_by_path(istate, gs->path);
if (!gs->driver)
gs->driver = userdiff_find_by_name("default");
grep_attr_unlock();
}
-static int grep_source_is_binary(struct grep_source *gs)
+static int grep_source_is_binary(struct grep_source *gs,
+ struct index_state *istate)
{
- grep_source_load_driver(gs);
+ grep_source_load_driver(gs, istate);
if (gs->driver->binary != -1)
return gs->driver->binary;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 12:12:12 +0000