Add function cgit_parse_tag()

Teach cgit how to extract author info from a tag.

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

2 files changed, 55 insertions, 0 deletions

diff --git a/cgit.h b/cgit.h
index 5e19b11..9b517a7 100644
--- a/cgit.h
+++ b/cgit.h
@@ -6,48 +6,55 @@
 #include <ctype.h>
 #include <sched.h>
 
 typedef void (*configfn)(const char *name, const char *value);
 
 struct cacheitem {
         char *name;
         struct stat st;
         int ttl;
         int fd;
 };
 
 struct commitinfo {
         struct commit *commit;
         char *author;
         char *author_email;
         unsigned long author_date;
         char *committer;
         char *committer_email;
         unsigned long committer_date;
         char *subject;
         char *msg;
 };
 
+struct taginfo {
+        char *tagger;
+        char *tagger_email;
+        int tagger_date;
+        char *msg;
+};
+
 extern const char cgit_version[];
 
 extern char *cgit_root;
 extern char *cgit_root_title;
 extern char *cgit_css;
 extern char *cgit_logo;
 extern char *cgit_logo_link;
 extern char *cgit_virtual_root;
 extern char *cgit_cache_root;
 
 extern int cgit_nocache;
 extern int cgit_max_lock_attempts;
 extern int cgit_cache_root_ttl;
 extern int cgit_cache_repo_ttl;
 extern int cgit_cache_dynamic_ttl;
 extern int cgit_cache_static_ttl;
 extern int cgit_cache_max_create_time;
 
 extern char *cgit_repo_name;
 extern char *cgit_repo_desc;
 extern char *cgit_repo_owner;
 
 extern int cgit_query_has_symref;
 extern int cgit_query_has_sha1;
@@ -66,48 +73,49 @@ extern int htmlfd;
 
 extern void cgit_global_config_cb(const char *name, const char *value);
 extern void cgit_repo_config_cb(const char *name, const char *value);
 extern void cgit_querystring_cb(const char *name, const char *value);
 
 extern int hextoint(char c);
 
 extern void *cgit_free_commitinfo(struct commitinfo *info);
 
 extern char *fmt(const char *format,...);
 
 extern void html(const char *txt);
 extern void htmlf(const char *format,...);
 extern void html_txt(char *txt);
 extern void html_ntxt(int len, char *txt);
 extern void html_attr(char *txt);
 extern void html_hidden(char *name, char *value);
 extern void html_link_open(char *url, char *title, char *class);
 extern void html_link_close(void);
 extern void html_filemode(unsigned short mode);
 
 extern int cgit_read_config(const char *filename, configfn fn);
 extern int cgit_parse_query(char *txt, configfn fn);
 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
+extern struct taginfo *cgit_parse_tag(struct tag *tag);
 
 extern char *cache_safe_filename(const char *unsafe);
 extern int cache_lock(struct cacheitem *item);
 extern int cache_unlock(struct cacheitem *item);
 extern int cache_cancel_lock(struct cacheitem *item);
 extern int cache_exist(struct cacheitem *item);
 extern int cache_expired(struct cacheitem *item);
 
 extern char *cgit_repourl(const char *reponame);
 extern char *cgit_pageurl(const char *reponame, const char *pagename, 
                           const char *query);
 
 extern void cgit_print_error(char *msg);
 extern void cgit_print_date(unsigned long secs);
 extern void cgit_print_docstart(char *title, struct cacheitem *item);
 extern void cgit_print_docend();
 extern void cgit_print_pageheader(char *title, int show_search);
 
 extern void cgit_print_repolist(struct cacheitem *item);
 extern void cgit_print_summary();
 extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep);
 extern void cgit_print_view(const char *hex);
 extern void cgit_print_tree(const char *hex, char *path);
 extern void cgit_print_commit(const char *hex);
diff --git a/parsing.c b/parsing.c
index 4412dee..8aad1dd 100644
--- a/parsing.c
+++ b/parsing.c
@@ -175,24 +175,71 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
                 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;
+}