1 files changed, 223 insertions, 11 deletions

diff --git a/ui-shared.c b/ui-shared.c
index aba93e8..5c5bcf3 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -57,13 +57,13 @@ char *cgit_repourl(const char *reponame)
         }
 }
 
-char *cgit_pageurl(const char *reponame, const char *pagename,
-                   const char *query)
+char *cgit_fileurl(const char *reponame, const char *pagename,
+                   const char *filename, const char *query)
 {
         if (cgit_virtual_root) {
                 if (query)
-                        return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
-                                   pagename, query);
+                        return fmt("%s/%s/%s/%s?%s", cgit_virtual_root, reponame,
+                                   pagename, filename?filename:"", query);
                 else
                         return fmt("%s/%s/%s/", cgit_virtual_root, reponame,
                                    pagename);
@@ -75,6 +75,37 @@ char *cgit_pageurl(const char *reponame, const char *pagename,
         }
 }
 
+char *cgit_pageurl(const char *reponame, const char *pagename,
+                   const char *query)
+{
+        return cgit_fileurl(reponame,pagename,0,query);
+}
+
+const char *cgit_repobasename(const char *reponame)
+{
+        /* I assume we don't need to store more than one repo basename */
+        static char rvbuf[1024];
+        int p;
+        const char *rv;
+        strncpy(rvbuf,reponame,sizeof(rvbuf));
+        if(rvbuf[sizeof(rvbuf)-1])
+                die("cgit_repobasename: truncated repository name '%s'", reponame);
+        p = strlen(rvbuf)-1;
+        /* strip trailing slashes */
+        while(p && rvbuf[p]=='/') rvbuf[p--]=0;
+        /* strip trailing .git */
+        if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
+                p -= 3; rvbuf[p--] = 0;
+        }
+        /* strip more trailing slashes if any */
+        while( p && rvbuf[p]=='/') rvbuf[p--]=0;
+        /* find last slash in the remaining string */
+        rv = strrchr(rvbuf,'/');
+        if(rv)
+                return ++rv;
+        return rvbuf;
+}
+
 char *cgit_currurl()
 {
         if (!cgit_virtual_root)
@@ -87,6 +118,166 @@ char *cgit_currurl()
                 return fmt("%s/", cgit_virtual_root);
 }
 
+static char *repolink(char *title, char *class, char *page, char *head,
+                      char *path)
+{
+        char *delim = "?";
+
+        html("<a");
+        if (title) {
+                html(" title='");
+                html_attr(title);
+                html("'");
+        }
+        if (class) {
+                html(" class='");
+                html_attr(class);
+                html("'");
+        }
+        html(" href='");
+        if (cgit_virtual_root) {
+                html_attr(cgit_virtual_root);
+                if (cgit_virtual_root[strlen(cgit_virtual_root) - 1] != '/')
+                        html("/");
+                html_attr(cgit_repo->url);
+                if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
+                        html("/");
+                if (page) {
+                        html(page);
+                        html("/");
+                        if (path)
+                                html_attr(path);
+                }
+        } else {
+                html(cgit_script_name);
+                html("?url=");
+                html_attr(cgit_repo->url);
+                if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
+                        html("/");
+                if (page) {
+                        html(page);
+                        html("/");
+                        if (path)
+                                html_attr(path);
+                }
+                delim = "&amp;";
+        }
+        if (head && strcmp(head, cgit_repo->defbranch)) {
+                html(delim);
+                html("h=");
+                html_attr(head);
+                delim = "&amp;";
+        }
+        return fmt("%s", delim);
+}
+
+static void reporevlink(char *page, char *name, char *title, char *class,
+                        char *head, char *rev, char *path)
+{
+        char *delim;
+
+        delim = repolink(title, class, page, head, path);
+        if (rev && strcmp(rev, cgit_query_head)) {
+                html(delim);
+                html("id=");
+                html_attr(rev);
+        }
+        html("'>");
+        html_txt(name);
+        html("</a>");
+}
+
+void cgit_tree_link(char *name, char *title, char *class, char *head,
+                    char *rev, char *path)
+{
+        reporevlink("tree", name, title, class, head, rev, path);
+}
+
+void cgit_log_link(char *name, char *title, char *class, char *head,
+                   char *rev, char *path, int ofs)
+{
+        char *delim;
+
+        delim = repolink(title, class, "log", head, path);
+        if (rev && strcmp(rev, cgit_query_head)) {
+                html(delim);
+                html("id=");
+                html_attr(rev);
+                delim = "&";
+        }
+        if (ofs > 0) {
+                html(delim);
+                html("ofs=");
+                htmlf("%d", ofs);
+        }
+        html("'>");
+        html_txt(name);
+        html("</a>");
+}
+
+void cgit_commit_link(char *name, char *title, char *class, char *head,
+                      char *rev)
+{
+        if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {
+                name[cgit_max_msg_len] = '\0';
+                name[cgit_max_msg_len - 1] = '.';
+                name[cgit_max_msg_len - 2] = '.';
+                name[cgit_max_msg_len - 3] = '.';
+        }
+        reporevlink("commit", name, title, class, head, rev, NULL);
+}
+
+void cgit_snapshot_link(char *name, char *title, char *class, char *head,
+                        char *rev, char *archivename)
+{
+        reporevlink("snapshot", name, title, class, head, rev, archivename);
+}
+
+void cgit_diff_link(char *name, char *title, char *class, char *head,
+                    char *new_rev, char *old_rev, char *path)
+{
+        char *delim;
+
+        delim = repolink(title, class, "diff", head, path);
+        if (new_rev && strcmp(new_rev, cgit_query_head)) {
+                html(delim);
+                html("id=");
+                html_attr(new_rev);
+                delim = "&amp;";
+        }
+        if (old_rev) {
+                html(delim);
+                html("id2=");
+                html_attr(old_rev);
+        }
+        html("'>");
+        html_txt(name);
+        html("</a>");
+}
+
+void cgit_object_link(struct object *obj)
+{
+        char *page, *arg, *url;
+
+        if (obj->type == OBJ_COMMIT) {
+                cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
+                                 cgit_query_head, sha1_to_hex(obj->sha1));
+                return;
+        } else if (obj->type == OBJ_TREE) {
+                page = "tree";
+                arg = "id";
+        } else {
+                page = "blob";
+                arg = "id";
+        }
+
+        url = cgit_pageurl(cgit_query_repo, page,
+                           fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
+        html_link_open(url, NULL, NULL);
+        htmlf("%s %s", typename(obj->type),
+              sha1_to_hex(obj->sha1));
+        html_link_close();
+}
 
 void cgit_print_date(time_t secs, char *format)
 {
@@ -152,7 +343,7 @@ void cgit_print_docstart(char *title, struct cacheitem *item)
         html("<title>");
         html_txt(title);
         html("</title>\n");
-        htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
+        htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
         html("<link rel='stylesheet' type='text/css' href='");
         html_attr(cgit_css);
         html("'/>\n");
@@ -169,19 +360,38 @@ void cgit_print_docend()
 void cgit_print_pageheader(char *title, int show_search)
 {
         html("<table id='layout'>");
-        html("<tr><td id='header'>");
-        html(cgit_root_title);
-        html("</td><td id='logo'>");
+        html("<tr><td id='header'><a href='");
+        html_attr(cgit_rooturl());
+        html("'>");
+        html_txt(cgit_root_title);
+        html("</a></td><td id='logo'>");
         html("<a href='");
         html_attr(cgit_logo_link);
         htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
         html("</td></tr>");
         html("<tr><td id='crumb'>");
-        htmlf("<a href='%s'>root</a>", cgit_rooturl());
         if (cgit_query_repo) {
-                htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
                 html_txt(cgit_repo->name);
-                htmlf("</a> : %s", title);
+                html(" (");
+                html_txt(cgit_query_head);
+                html(") : &nbsp;");
+                reporevlink(NULL, "summary", NULL, NULL, cgit_query_head,
+                            NULL, NULL);
+                html(" ");
+                cgit_log_link("log", NULL, NULL, cgit_query_head,
+                              cgit_query_sha1, cgit_query_path, 0);
+                html(" ");
+                cgit_tree_link("tree", NULL, NULL, cgit_query_head,
+                               cgit_query_sha1, NULL);
+                html(" ");
+                cgit_commit_link("commit", NULL, NULL, cgit_query_head,
+                              cgit_query_sha1);
+                html(" ");
+                cgit_diff_link("diff", NULL, NULL, cgit_query_head,
+                               cgit_query_sha1, cgit_query_sha2,
+                               cgit_query_path);
+        } else {
+                html_txt("Index of repositories");
         }
         html("</td>");
         html("<td id='search'>");
@@ -219,3 +429,5 @@ void cgit_print_snapshot_start(const char *mimetype, const char *filename,
                                          ttl_seconds(item->ttl)));
         html("\n");
 }
+
+/* vim:set sw=8: */