Add ui-tag.c

This file implements the tag-command, i.e. printing of annotated tags.

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

7 files changed, 111 insertions, 32 deletions

diff --git a/Makefile b/Makefile
index cea09f1..50d0011 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ VERSION:
 EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto
 OBJECTS = shared.o cache.o parsing.o html.o ui-shared.o ui-repolist.o \
 	ui-summary.o ui-log.o ui-tree.o ui-commit.o ui-diff.o \
-	ui-snapshot.o ui-blob.o
+	ui-snapshot.o ui-blob.o ui-tag.o
 
 CFLAGS += -Wall
 
diff --git a/cgit.c b/cgit.c
index 1281bfa..4b91829 100644
--- a/cgit.c
+++ b/cgit.c
@@ -101,6 +101,9 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	case CMD_COMMIT:
 		cgit_print_commit(cgit_query_sha1);
 		break;
+	case CMD_TAG:
+		cgit_print_tag(cgit_query_sha1);
+		break;
 	case CMD_DIFF:
 		cgit_print_diff(cgit_query_sha1, cgit_query_sha2);
 		break;
diff --git a/cgit.h b/cgit.h
index 2ff5340..610a16d 100644
--- a/cgit.h
+++ b/cgit.h
@@ -27,7 +27,7 @@
 #define CMD_TREE     4
 #define CMD_BLOB     5
 #define CMD_SNAPSHOT 6
-
+#define CMD_TAG      7
 
 /*
  * Dateformats used on misc. pages
@@ -212,6 +212,8 @@ extern void cgit_commit_link(char *name, char *title, char *class, char *head,
 extern void cgit_diff_link(char *name, char *title, char *class, char *head,
 			   char *new_rev, char *old_rev, char *path);
 
+extern void cgit_object_link(struct object *obj);
+
 extern void cgit_print_error(char *msg);
 extern void cgit_print_date(time_t secs, char *format);
 extern void cgit_print_age(time_t t, time_t max_relative, char *format);
@@ -228,6 +230,7 @@ extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *
 extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
 extern void cgit_print_tree(const char *rev, char *path);
 extern void cgit_print_commit(char *hex);
+extern void cgit_print_tag(char *revname);
 extern void cgit_print_diff(const char *new_hex, const char *old_hex);
 extern void cgit_print_snapshot(struct cacheitem *item, const char *hex,
 				const char *format, const char *prefix,
diff --git a/shared.c b/shared.c
index 1a5b866..06693b0 100644
--- a/shared.c
+++ b/shared.c
@@ -63,7 +63,7 @@ int htmlfd = 0;
 int cgit_get_cmd_index(const char *cmd)
 {
 	static char *cmds[] = {"log", "commit", "diff", "tree", "blob",
-			       "snapshot", NULL};
+			       "snapshot", "tag", NULL};
 	int i;
 
 	for(i = 0; cmds[i]; i++)
diff --git a/ui-shared.c b/ui-shared.c
index d4376ce..fd71c12 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -218,6 +218,30 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
 	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)
 {
 	char buf[64];
diff --git a/ui-summary.c b/ui-summary.c
index b4bc6d8..de8a180 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -47,31 +47,6 @@ static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
 	return 0;
 }
 
-
-static void cgit_print_object_ref(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 = "view";
-		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();
-}
-
 static void print_tag_header()
 {
 	html("<tr class='nohover'><th class='left'>Tag</th>"
@@ -100,8 +75,8 @@ static int cgit_print_tag_cb(const char *refname, const unsigned char *sha1,
 		if (!header)
 			print_tag_header();
 		html("<tr><td>");
-		url = cgit_pageurl(cgit_query_repo, "view",
-				   fmt("id=%s", sha1_to_hex(sha1)));
+		url = cgit_pageurl(cgit_query_repo, "tag",
+				   fmt("id=%s", refname));
 		html_link_open(url, NULL, NULL);
 		html_txt(buf);
 		html_link_close();
@@ -112,7 +87,7 @@ static int cgit_print_tag_cb(const char *refname, const unsigned char *sha1,
 		if (info->tagger)
 			html(info->tagger);
 		html("</td><td>");
-		cgit_print_object_ref(tag->tagged);
+		cgit_object_link(tag->tagged);
 		html("</td></tr>\n");
 	} else {
 		if (!header)
@@ -120,7 +95,7 @@ static int cgit_print_tag_cb(const char *refname, const unsigned char *sha1,
 		html("<tr><td>");
 		html_txt(buf);
 		html("</td><td colspan='2'/><td>");
-		cgit_print_object_ref(obj);
+		cgit_object_link(obj);
 		html("</td></tr>\n");
 	}
 	return 0;
diff --git a/ui-tag.c b/ui-tag.c
new file mode 100644
index 0000000..a6989ff
--- /dev/null
+++ b/ui-tag.c
@@ -0,0 +1,74 @@
+/* ui-tag.c: display a tag
+ *
+ * Copyright (C) 2007 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+
+
+static void print_tag_content(char *buf)
+{
+	char *p;
+
+	if (!buf)
+		return;
+
+	html("<div class='commit-subject'>");
+	p = strchr(buf, '\n');
+	if (p)
+		*p = '\0';
+	html_txt(buf);
+	html("</div>");
+	if (p) {
+		html("<div class='commit-msg'>");
+		html_txt(++p);
+		html("</div>");
+	}
+}
+
+void cgit_print_tag(char *revname)
+{
+	unsigned char sha1[20];
+	struct object *obj;
+	struct tag *tag;
+	struct taginfo *info;
+
+	if (get_sha1(revname, sha1)) {
+		cgit_print_error(fmt("Bad tag reference: %s", revname));
+		return;
+	}
+	obj = parse_object(sha1);
+	if (!obj) {
+		cgit_print_error(fmt("Bad object id: %s", sha1_to_hex(sha1)));
+		return;
+	}
+	if (obj->type == OBJ_TAG) {
+		tag = lookup_tag(sha1);
+		if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag))) {
+			cgit_print_error(fmt("Bad tag object: %s", revname));
+			return;
+		}
+		html("<table class='commit-info'>\n");
+		htmlf("<tr><td>Tag name</td><td>%s (%s)</td></tr>\n",
+		      revname, sha1_to_hex(sha1));
+		if (info->tagger_date > 0) {
+			html("<tr><td>Tag date</td><td>");
+			cgit_print_date(info->tagger_date, FMT_LONGDATE);
+			html("</td><tr>\n");
+		}
+		if (info->tagger) {
+			html("<tr><td>Tagged by</td><td>");
+			html_txt(info->tagger);
+			html("</td></tr>\n");
+		}
+		html("<tr><td>Tagged object</td><td>");
+		cgit_object_link(tag->tagged);
+		html("</td></tr>\n");
+		html("</table>\n");
+		print_tag_content(info->msg);
+	}
+	return;
+}