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-rw-r--r--ui-tree.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/ui-tree.c b/ui-tree.c
index b1adcc7..249e99e 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -277,3 +277,122 @@ void cgit_print_tree(const char *rev, char *path)
read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
ls_tail();
}
+
+struct grep_data {
+ regex_t re;
+ char *path;
+ int max_hits;
+};
+
+static int grep_blob(const unsigned char *sha1, const char *base, int baselen,
+ const char *pathname, struct grep_data *grep)
+{
+ enum object_type type;
+ char *buf, *line, *lf, *fullpath;
+ unsigned long size;
+ int hits, lno, rc;
+
+ type = sha1_object_info(sha1, &size);
+ if (type == OBJ_BAD) {
+ cgit_print_error(fmt("Bad object name: %s",
+ sha1_to_hex(sha1)));
+ return -1;
+ }
+
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf) {
+ cgit_print_error(fmt("Error reading object %s",
+ sha1_to_hex(sha1)));
+ return -1;
+ }
+ hits = 0;
+ line = buf;
+ lno = 1;
+ while (size) {
+ lf = strchr(line, '\n');
+ if (lf)
+ *lf = 0;
+ rc = regexec(&grep->re, line, 0, NULL, 0);
+ if (!rc) {
+ if (!hits) {
+ fullpath = fmt("%.*s%s", baselen, base,
+ pathname);
+ htmlf("<strong>%s</strong><pre>", fullpath);
+ }
+ htmlf("%6d: ", lno);
+ while (isspace(*line))
+ line++;
+ cgit_tree_link2(line, NULL, NULL, ctx.qry.head,
+ ctx.qry.sha1, fullpath, lno);
+ html("\n");
+ ++hits;
+ if (!(--grep->max_hits))
+ break;
+ }
+ if (!lf)
+ break;
+ size -= (lf - line);
+ *lf = '\n';
+ line = lf + 1;
+ lno++;
+ }
+ if (hits)
+ html("</pre>");
+ if (!grep->max_hits) {
+ cgit_print_error("Too many matches found.");
+ return -1;
+ }
+ return 0;
+}
+
+static int grep_tree(const unsigned char *sha1, const char *base, int baselen,
+ const char *pathname, unsigned mode, int stage,
+ void *cbdata)
+{
+ int rc;
+ char *fullpath;
+ struct grep_data *grep;
+
+ grep = cbdata;
+ fullpath = fmt("%.*s%s", baselen, base, pathname);
+ if (S_ISDIR(mode)) {
+ rc = grep->path ? prefixcmp(grep->path, fullpath) : 0;
+ if (!rc)
+ return READ_TREE_RECURSIVE;
+ return (rc > 0 ? -1 : 0);
+ } else if (S_ISREG(mode)) {
+ rc = grep->path ? prefixcmp(fullpath, grep->path) : 0;
+ if (!rc)
+ return grep_blob(sha1, base, baselen, pathname, grep);
+ return (rc < 0 ? -1 : 0);
+ }
+ return 0;
+}
+
+void cgit_grep(const char *rev, char *path, char *grep)
+{
+ unsigned char sha1[20];
+ struct commit *commit;
+ struct grep_data data;
+
+ if (!rev)
+ rev = ctx.qry.head;
+
+ curr_rev = xstrdup(rev);
+ if (get_sha1(rev, sha1)) {
+ cgit_print_error(fmt("Invalid revision name: %s", rev));
+ return;
+ }
+ commit = lookup_commit_reference(sha1);
+ if (!commit || parse_commit(commit)) {
+ cgit_print_error(fmt("Invalid commit reference: %s", rev));
+ return;
+ }
+ data.path = path;
+ data.max_hits = 100;
+ if (regcomp(&data.re, ctx.qry.search, REG_EXTENDED | REG_ICASE | REG_NOSUB)) {
+ cgit_print_error("Invalid regex");
+ return;
+ }
+ read_tree_recursive(commit->tree, "", 0, 0, NULL, grep_tree, &data);
+}