+
+/*
+ * url syntax: [repo ['/' cmd [ '/' path]]]
+ * repo: any valid repo url, may contain '/'
+ * cmd: log | commit | diff | tree | view | blob | snapshot
+ * path: any valid path, may contain '/'
+ *
+ */
+void cgit_parse_url(const char *url)
+{
+ char *cmd, *p;
+
+ cgit_repo = NULL;
+ if (!url || url[0] == '\0')
+ return;
+
+ cgit_repo = cgit_get_repoinfo(url);
+ if (cgit_repo) {
+ cgit_query_repo = cgit_repo->url;
+ return;
+ }
+
+ cmd = strchr(url, '/');
+ while (!cgit_repo && cmd) {
+ cmd[0] = '\0';
+ cgit_repo = cgit_get_repoinfo(url);
+ if (cgit_repo == NULL) {
+ cmd[0] = '/';
+ cmd = strchr(cmd + 1, '/');
+ continue;
+ }
+
+ cgit_query_repo = cgit_repo->url;
+ p = strchr(cmd + 1, '/');
+ if (p) {
+ p[0] = '\0';
+ if (p[1])
+ cgit_query_path = trim_end(p + 1, '/');
+ }
+ cgit_cmd = cgit_get_cmd_index(cmd + 1);
+ cgit_query_page = xstrdup(cmd + 1);
+ return;
+ }
+}
+
+char *substr(const char *head, const char *tail)
+{
+ char *buf;
+
+ buf = xmalloc(tail - head + 1);
+ strncpy(buf, head, tail - head);
+ buf[tail - head] = '\0';
+ return buf;
+}
+
+struct commitinfo *cgit_parse_commit(struct commit *commit)
+{
+ struct commitinfo *ret;
+ char *p = commit->buffer, *t = commit->buffer;
+
+ ret = xmalloc(sizeof(*ret));
+ ret->commit = commit;
+ ret->author = NULL;
+ ret->author_email = NULL;
+ ret->committer = NULL;
+ ret->committer_email = NULL;
+ ret->subject = NULL;
+ ret->msg = NULL;
+
+ if (p == NULL)
+ return ret;
+
+ if (strncmp(p, "tree ", 5))
+ die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
+ else
+ p += 46; // "tree " + hex[40] + "\n"
+
+ while (!strncmp(p, "parent ", 7))
+ p += 48; // "parent " + hex[40] + "\n"
+
+ if (!strncmp(p, "author ", 7)) {
+ p += 7;
+ t = strchr(p, '<') - 1;
+ ret->author = substr(p, t);
+ p = t;
+ t = strchr(t, '>') + 1;
+ ret->author_email = substr(p, t);
+ ret->author_date = atol(++t);
+ p = strchr(t, '\n') + 1;
+ }
+
+ if (!strncmp(p, "committer ", 9)) {
+ p += 9;
+ t = strchr(p, '<') - 1;
+ ret->committer = substr(p, t);
+ p = t;
+ t = strchr(t, '>') + 1;
+ ret->committer_email = substr(p, t);
+ ret->committer_date = atol(++t);
+ p = strchr(t, '\n') + 1;
+ }
+
+ while (*p && (*p != '\n'))
+ p = strchr(p, '\n') + 1; // skip unknown header fields
+
+ while (*p == '\n')
+ p = strchr(p, '\n') + 1;
+
+ t = strchr(p, '\n');
+ if (t) {
+ if (*t == '\0')
+ ret->subject = "** empty **";
+ else
+ ret->subject = substr(p, t);
+ p = t + 1;
+
+ while (*p == '\n')
+ p = strchr(p, '\n') + 1;
+ ret->msg = xstrdup(p);
+ } else
+ ret->subject = substr(p, p+strlen(p));
+
+ return ret;
+}
+
+
+struct taginfo *cgit_parse_tag(struct tag *tag)
+{
+ void *data;
+ enum object_type type;
+ unsigned long size;
+ char *p, *t;
+ struct taginfo *ret;
+
+ data = read_sha1_file(tag->object.sha1, &type, &size);
+ if (!data || type != OBJ_TAG) {
+ free(data);
+ return 0;
+ }
+
+ ret = xmalloc(sizeof(*ret));
+ ret->tagger = NULL;
+ ret->tagger_email = NULL;
+ ret->tagger_date = 0;
+ ret->msg = NULL;
+
+ p = data;
+
+ while (p && *p) {
+ if (*p == '\n')
+ break;
+
+ if (!strncmp(p, "tagger ", 7)) {
+ p += 7;
+ t = strchr(p, '<') - 1;
+ ret->tagger = substr(p, t);
+ p = t;
+ t = strchr(t, '>') + 1;
+ ret->tagger_email = substr(p, t);
+ ret->tagger_date = atol(++t);
+ }
+ p = strchr(p, '\n') + 1;
+ }
+
+ while (p && *p && (*p != '\n'))
+ p = strchr(p, '\n') + 1; // skip unknown tag fields
+
+ while (p && (*p == '\n'))
+ p = strchr(p, '\n') + 1;
+ if (p && *p)
+ ret->msg = xstrdup(p);
+ free(data);
+ return ret;
+}