Add atom-support

[ps-cgit] / ui-shared.c
diff --git a/ui-shared.c b/ui-shared.c

index 197ee37409b7497d27c1ea766ebd6d4405d843bc..37c60b25d2c8ed1e4cecba4d2bd8873884a1baef 100644 (file)
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -34,6 +34,21 @@ void cgit_print_error(char *msg)
         html("</div>\n");
  }
  
+char *cgit_hosturl()
+{
+       char *host, *port;
+
+       host = getenv("SERVER_NAME");
+       if (!host)
+               return NULL;
+       port = getenv("SERVER_PORT");
+       if (port && atoi(port) != 80)
+               host = xstrdup(fmt("%s:%d", host, atoi(port)));
+       else
+               host = xstrdup(host);
+       return host;
+}
+
  char *cgit_rooturl()
  {
         if (ctx.cfg.virtual_root)
@@ -428,6 +443,7 @@ void cgit_print_http_headers(struct cgit_context *ctx)
  
  void cgit_print_docstart(struct cgit_context *ctx)
  {
+       char *host = cgit_hosturl();
         html(cgit_doctype);
         html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
         html("<head>\n");
@@ -445,6 +461,13 @@ void cgit_print_docstart(struct cgit_context *ctx)
                 html_attr(ctx->cfg.favicon);
                 html("'/>\n");
         }
+       if (host && ctx->repo) {
+               html("<link rel='alternate' title='Atom feed' href='http://");
+               html_attr(cgit_hosturl());
+               html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
+                                      fmt("h=%s", ctx->qry.head)));
+               html("' type='application/atom+xml'/>");
+       }
         html("</head>\n");
         html("<body>\n");
  }