Add display of tree content w/ui-tree.c

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

Makefile

@@ -6,7 +6,7 @@ CACHE_ROOT = /var/cache/cgit
 
 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-view.c
+	ui-summary.o ui-log.o ui-view.c ui-tree.c
 
 CFLAGS += -Wall
 

cgit.c

@@ -26,10 +26,12 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
 	cgit_print_docstart(title, item);
 	cgit_print_pageheader(title);
-	if (!cgit_query_page)
+	if (!cgit_query_page) {
 		cgit_print_summary();
-	else if (!strcmp(cgit_query_page, "log")) {
+	} else if (!strcmp(cgit_query_page, "log")) {
 		cgit_print_log(cgit_query_head, 0, 100);
+	} else if (!strcmp(cgit_query_page, "tree")) {
+		cgit_print_tree(cgit_query_sha1);
 	} else if (!strcmp(cgit_query_page, "view")) {
 		cgit_print_view(cgit_query_sha1);
 	}

cgit.css

@@ -30,7 +30,7 @@ table.list th {
 }
 table.list td {
 	border: none;
-	padding: 0.1em 0.5em;
+	padding: 0.1em 1em 0.1em 0.5em;
 	background: white;
 }
 
@@ -60,4 +60,13 @@ div.error {
 	color: red;
 	font-weight: bold;
 	margin: 1em 2em;
-}
+}
+div.ls-dir a {
+	font-weight: bold;
+}
+th.filesize, td.filesize {
+	text-align: right;
+}
+th.filemode, td.filemode {
+	text-align: center;
+}

cgit.h

@@ -83,5 +83,6 @@ 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);
 extern void cgit_print_view(char *hex);
+extern void cgit_print_tree(const char *sha1);
 
 #endif /* CGIT_H */

git.h

@@ -188,6 +188,19 @@ struct tree {
 };
 
 
+struct tree *lookup_tree(const unsigned char *sha1);
+int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);
+int parse_tree(struct tree *tree);
+struct tree *parse_tree_indirect(const unsigned char *sha1);
+
+typedef int (*read_tree_fn_t)(const unsigned char *, const char *, int, const char *, unsigned int, int);
+
+extern int read_tree_recursive(struct tree *tree,
+			       const char *base, int baselen,
+			       int stage, const char **match,
+			       read_tree_fn_t fn);
+
+extern int read_tree(struct tree *tree, int stage, const char **paths);
 
 
 /* from git:commit.h */

ui-log.c

@@ -82,6 +82,11 @@ static void cgit_print_commit_shortlog(struct commit *commit)
 	html_link_close();
 	html("</td><td>");
 	html_txt(author);
+	html("</td><td><a href='");
+	html_attr(cgit_pageurl(cgit_query_repo, "tree", 
+			       fmt("id=%s", 
+				   sha1_to_hex(commit->tree->object.sha1))));
+	html("'>tree</a>");
 	html("</td></tr>\n");
 }
 
@@ -102,7 +107,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt)
 
 	html("<h2>Log</h2>");
 	html("<table class='list'>");
-	html("<tr><th>Date</th><th>Message</th><th>Author</th></tr>\n");
+	html("<tr><th>Date</th><th>Message</th><th>Author</th><th>Link</th></tr>\n");
 	while ((commit = get_revision(&rev)) != NULL && n++ < 100) {
 		cgit_print_commit_shortlog(commit);
 		free(commit->buffer);

ui-summary.c

@@ -27,6 +27,11 @@ static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
 		pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0, buf,
 				    sizeof(buf), 0, NULL, NULL, 0);
 		html_txt(buf);
+		html("</td><td><a href='");
+		html_attr(cgit_pageurl(cgit_query_repo, "tree", 
+				       fmt("id=%s", 
+					   sha1_to_hex(commit->tree->object.sha1))));
+		html("'>tree</a>");
 		html("</td></tr>\n");
 	} else {
 		html("<tr><td>");
@@ -41,7 +46,7 @@ static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
 static void cgit_print_branches()
 {
 	html("<table class='list'>");
-	html("<tr><th>Branch name</th><th>Head commit</th></tr>\n");
+	html("<tr><th>Branch name</th><th>Latest</th><th>Link</th></tr>\n");
 	for_each_branch_ref(cgit_print_branch_cb, NULL);
 	html("</table>");
 }

ui-tree.c

@@ -0,0 +1,70 @@
+/* ui-tree.c: functions for tree output
+ *
+ * Copyright (C) 2006 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+
+
+static int print_entry(const unsigned char *sha1, const char *base, 
+		       int baselen, const char *pathname, unsigned int mode, 
+		       int stage)
+{
+	char *name;
+	char type[20];
+	unsigned long size;
+
+	if (sha1_object_info(sha1, type, &size)) {
+		cgit_print_error(fmt("Bad object name: %s", 
+				     sha1_to_hex(sha1)));
+		return 0;
+	}
+	name = xstrdup(pathname);
+	html("<tr><td>");
+	if (S_ISDIR(mode)) {
+		html("<div class='ls-dir'><a href='");
+		html_attr(cgit_pageurl(cgit_query_repo, "tree", 
+				       fmt("id=%s", sha1_to_hex(sha1))));
+	} else {
+		html("<div class='ls-blob'><a href='");
+		html_attr(cgit_pageurl(cgit_query_repo, "view",
+				      fmt("id=%s", sha1_to_hex(sha1))));
+	}
+	html("'>");
+	html_txt(name);
+	if (S_ISDIR(mode))
+		html("/");
+	html("</a></div></td>");
+	htmlf("<td class='filesize'>%li</td>", size);
+	htmlf("<td class='filemode'>%06o</td>", mode);
+	html("</tr>\n");
+	free(name);
+	return 0;
+}
+
+void cgit_print_tree(const char *hex)
+{
+	struct tree *tree;
+	unsigned char sha1[20];
+
+	if (get_sha1_hex(hex, sha1)) {
+		cgit_print_error(fmt("Invalid object id: %s", hex));
+		return;
+	}
+	tree = parse_tree_indirect(sha1);
+	if (!tree) {
+		cgit_print_error(fmt("Not a tree object: %s", hex));
+		return;
+	}
+
+	html("<h2>Tree content</h2>\n");
+	html("<table class='list'>\n");
+	html("<tr><th>Name</th>");
+	html("<th class='filesize'>Size</th>");
+	html("<th class='filemode'>Mode</th></tr>\n");
+	read_tree_recursive(tree, "", 0, 1, NULL, print_entry);
+	html("</table>\n");
+}

ui-view.c

@@ -20,7 +20,7 @@ void cgit_print_view(char *hex)
 	        return;
 	}
 
-	if (sha1_object_info(sha1, type, NULL)){
+	if (sha1_object_info(sha1, type, &size)){
 		cgit_print_error("Bad object name");
 		return;
 	}