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-rw-r--r--grep.c149
1 files changed, 122 insertions, 27 deletions
diff --git a/grep.c b/grep.c
index bb548cae69..b58c7c6434 100644
--- a/grep.c
+++ b/grep.c
@@ -2,6 +2,8 @@
#include "grep.h"
#include "userdiff.h"
#include "xdiff-interface.h"
+#include "diff.h"
+#include "diffcore.h"
static int grep_source_load(struct grep_source *gs);
static int grep_source_is_binary(struct grep_source *gs);
@@ -33,7 +35,8 @@ void init_grep_defaults(void)
strcpy(opt->color_filename, "");
strcpy(opt->color_function, "");
strcpy(opt->color_lineno, "");
- strcpy(opt->color_match, GIT_COLOR_BOLD_RED);
+ strcpy(opt->color_match_context, GIT_COLOR_BOLD_RED);
+ strcpy(opt->color_match_selected, GIT_COLOR_BOLD_RED);
strcpy(opt->color_selected, "");
strcpy(opt->color_sep, GIT_COLOR_CYAN);
opt->color = -1;
@@ -84,6 +87,11 @@ int grep_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (!strcmp(var, "grep.fullname")) {
+ opt->relative = !git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "color.grep"))
opt->color = git_config_colorbool(var, value);
else if (!strcmp(var, "color.grep.context"))
@@ -94,17 +102,27 @@ int grep_config(const char *var, const char *value, void *cb)
color = opt->color_function;
else if (!strcmp(var, "color.grep.linenumber"))
color = opt->color_lineno;
- else if (!strcmp(var, "color.grep.match"))
- color = opt->color_match;
+ else if (!strcmp(var, "color.grep.matchcontext"))
+ color = opt->color_match_context;
+ else if (!strcmp(var, "color.grep.matchselected"))
+ color = opt->color_match_selected;
else if (!strcmp(var, "color.grep.selected"))
color = opt->color_selected;
else if (!strcmp(var, "color.grep.separator"))
color = opt->color_sep;
+ else if (!strcmp(var, "color.grep.match")) {
+ int rc = 0;
+ if (!value)
+ return config_error_nonbool(var);
+ rc |= color_parse(value, opt->color_match_context);
+ rc |= color_parse(value, opt->color_match_selected);
+ return rc;
+ }
if (color) {
if (!value)
return config_error_nonbool(var);
- color_parse(value, var, color);
+ return color_parse(value, color);
}
return 0;
}
@@ -137,7 +155,8 @@ void grep_init(struct grep_opt *opt, const char *prefix)
strcpy(opt->color_filename, def->color_filename);
strcpy(opt->color_function, def->color_function);
strcpy(opt->color_lineno, def->color_lineno);
- strcpy(opt->color_match, def->color_match);
+ strcpy(opt->color_match_context, def->color_match_context);
+ strcpy(opt->color_match_selected, def->color_match_selected);
strcpy(opt->color_selected, def->color_selected);
strcpy(opt->color_sep, def->color_sep);
}
@@ -1077,7 +1096,7 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
const char *name, unsigned lno, char sign)
{
int rest = eol - bol;
- char *line_color = NULL;
+ const char *match_color, *line_color = NULL;
if (opt->file_break && opt->last_shown == 0) {
if (opt->show_hunk_mark)
@@ -1116,6 +1135,10 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
int eflags = 0;
if (sign == ':')
+ match_color = opt->color_match_selected;
+ else
+ match_color = opt->color_match_context;
+ if (sign == ':')
line_color = opt->color_selected;
else if (sign == '-')
line_color = opt->color_context;
@@ -1128,8 +1151,7 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
output_color(opt, bol, match.rm_so, line_color);
output_color(opt, bol + match.rm_so,
- match.rm_eo - match.rm_so,
- opt->color_match);
+ match.rm_eo - match.rm_so, match_color);
bol += match.rm_eo;
rest -= match.rm_eo;
eflags = REG_NOTBOL;
@@ -1322,6 +1344,58 @@ static void std_output(struct grep_opt *opt, const void *buf, size_t size)
fwrite(buf, size, 1, stdout);
}
+static int fill_textconv_grep(struct userdiff_driver *driver,
+ struct grep_source *gs)
+{
+ struct diff_filespec *df;
+ char *buf;
+ size_t size;
+
+ if (!driver || !driver->textconv)
+ return grep_source_load(gs);
+
+ /*
+ * The textconv interface is intimately tied to diff_filespecs, so we
+ * have to pretend to be one. If we could unify the grep_source
+ * and diff_filespec structs, this mess could just go away.
+ */
+ df = alloc_filespec(gs->path);
+ switch (gs->type) {
+ case GREP_SOURCE_SHA1:
+ fill_filespec(df, gs->identifier, 1, 0100644);
+ break;
+ case GREP_SOURCE_FILE:
+ fill_filespec(df, null_sha1, 0, 0100644);
+ break;
+ default:
+ die("BUG: attempt to textconv something without a path?");
+ }
+
+ /*
+ * fill_textconv is not remotely thread-safe; it may load objects
+ * behind the scenes, and it modifies the global diff tempfile
+ * structure.
+ */
+ grep_read_lock();
+ size = fill_textconv(driver, df, &buf);
+ grep_read_unlock();
+ free_filespec(df);
+
+ /*
+ * The normal fill_textconv usage by the diff machinery would just keep
+ * the textconv'd buf separate from the diff_filespec. But much of the
+ * grep code passes around a grep_source and assumes that its "buf"
+ * pointer is the beginning of the thing we are searching. So let's
+ * install our textconv'd version into the grep_source, taking care not
+ * to leak any existing buffer.
+ */
+ grep_source_clear_data(gs);
+ gs->buf = buf;
+ gs->size = size;
+
+ return 0;
+}
+
static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int collect_hits)
{
char *bol;
@@ -1332,6 +1406,7 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
unsigned count = 0;
int try_lookahead = 0;
int show_function = 0;
+ struct userdiff_driver *textconv = NULL;
enum grep_context ctx = GREP_CONTEXT_HEAD;
xdemitconf_t xecfg;
@@ -1353,19 +1428,36 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
}
opt->last_shown = 0;
- switch (opt->binary) {
- case GREP_BINARY_DEFAULT:
- if (grep_source_is_binary(gs))
- binary_match_only = 1;
- break;
- case GREP_BINARY_NOMATCH:
- if (grep_source_is_binary(gs))
- return 0; /* Assume unmatch */
- break;
- case GREP_BINARY_TEXT:
- break;
- default:
- die("bug: unknown binary handling mode");
+ if (opt->allow_textconv) {
+ grep_source_load_driver(gs);
+ /*
+ * We might set up the shared textconv cache data here, which
+ * is not thread-safe.
+ */
+ grep_attr_lock();
+ textconv = userdiff_get_textconv(gs->driver);
+ grep_attr_unlock();
+ }
+
+ /*
+ * We know the result of a textconv is text, so we only have to care
+ * about binary handling if we are not using it.
+ */
+ if (!textconv) {
+ switch (opt->binary) {
+ case GREP_BINARY_DEFAULT:
+ if (grep_source_is_binary(gs))
+ binary_match_only = 1;
+ break;
+ case GREP_BINARY_NOMATCH:
+ if (grep_source_is_binary(gs))
+ return 0; /* Assume unmatch */
+ break;
+ case GREP_BINARY_TEXT:
+ break;
+ default:
+ die("bug: unknown binary handling mode");
+ }
}
memset(&xecfg, 0, sizeof(xecfg));
@@ -1373,7 +1465,7 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
try_lookahead = should_lookahead(opt);
- if (grep_source_load(gs) < 0)
+ if (fill_textconv_grep(textconv, gs) < 0)
return 0;
bol = gs->buf;
@@ -1490,8 +1582,11 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
*/
if (opt->count && count) {
char buf[32];
- output_color(opt, gs->name, strlen(gs->name), opt->color_filename);
- output_sep(opt, ':');
+ if (opt->pathname) {
+ output_color(opt, gs->name, strlen(gs->name),
+ opt->color_filename);
+ output_sep(opt, ':');
+ }
snprintf(buf, sizeof(buf), "%u\n", count);
opt->output(opt, buf, strlen(buf));
return 1;
@@ -1566,8 +1661,8 @@ void grep_source_init(struct grep_source *gs, enum grep_source_type type,
const void *identifier)
{
gs->type = type;
- gs->name = name ? xstrdup(name) : NULL;
- gs->path = path ? xstrdup(path) : NULL;
+ gs->name = xstrdup_or_null(name);
+ gs->path = xstrdup_or_null(path);
gs->buf = NULL;
gs->size = 0;
gs->driver = NULL;
@@ -1578,7 +1673,7 @@ void grep_source_init(struct grep_source *gs, enum grep_source_type type,
break;
case GREP_SOURCE_SHA1:
gs->identifier = xmalloc(20);
- memcpy(gs->identifier, identifier, 20);
+ hashcpy(gs->identifier, identifier);
break;
case GREP_SOURCE_BUF:
gs->identifier = NULL;
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-14 14:32:50 +0000