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;
+}