Add function cgit_parse_tag()

Teach cgit how to extract author info from a tag.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/parsing.c b/parsing.c
index 4412dee..8aad1dd 100644
--- a/parsing.c
+++ b/parsing.c
@@ -103,96 +103,143 @@ int cgit_parse_query(char *txt, configfn fn)
 	char *t, *value = NULL, c;
 
 	if (!txt)
 		return 0;
 
 	t = txt = xstrdup(txt);
  
 	while((c=*t) != '\0') {
 		if (c=='=') {
 			*t = '\0';
 			value = t+1;
 		} else if (c=='+') {
 			*t = ' ';
 		} else if (c=='%') {
 			t = convert_query_hexchar(t);
 		} else if (c=='&') {
 			*t = '\0';
 			(*fn)(txt, value);
 			txt = t+1;
 			value = NULL;
 		}
 		t++;
 	}
 	if (t!=txt)
 		(*fn)(txt, value);
 	return 0;
 }
 
 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 (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 == '\n')
 		p = strchr(p, '\n') + 1;
 
 	t = strchr(p, '\n');
 	if (t && *t) {
 		ret->subject = substr(p, t);
 		p = t + 1;
 
 		while (*p == '\n')
 			p = strchr(p, '\n') + 1;
 		ret->msg = p;
 	}
 	return ret;
 }
+
+
+struct taginfo *cgit_parse_tag(struct tag *tag)
+{
+	void *data;
+	char type[20];
+	unsigned long size;
+	char *p, *t;
+	struct taginfo *ret;
+
+	data = read_sha1_file(tag->object.sha1, type, &size);
+	if (!data || strcmp(type, tag_type)) {
+		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) {
+		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 == '\n'))
+		p = strchr(p, '\n') + 1;
+	if (p)
+		ret->msg = xstrdup(p);
+	free(data);
+	return ret;
+}