X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/3d8a6507ca542881a5e8b30ad6b7068a9c4fdeea..9dd3c5e93c5af3d35efe6e9f844456eb0f27a819:/ui-tree.c

diff --git a/ui-tree.c b/ui-tree.c
index e4c3d22..b310242 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -6,7 +6,6 @@
  *   (see COPYING for full license text)
  */
 
-#include <ctype.h>
 #include "cgit.h"
 #include "ui-tree.h"
 #include "html.h"
@@ -85,6 +84,37 @@ static void print_binary_buffer(char *buf, unsigned long size)
 	html("</table>\n");
 }
 
+static void set_title_from_path(const char *path)
+{
+	size_t path_len, path_index, path_last_end;
+	char *new_title;
+
+	if (!path)
+		return;
+
+	path_len = strlen(path);
+	new_title = xmalloc(path_len + 3 + strlen(ctx.page.title) + 1);
+	new_title[0] = '\0';
+
+	for (path_index = path_len, path_last_end = path_len; path_index-- > 0;) {
+		if (path[path_index] == '/') {
+			if (path_index == path_len - 1) {
+				path_last_end = path_index - 1;
+				continue;
+			}
+			strncat(new_title, &path[path_index + 1], path_last_end - path_index - 1);
+			strcat(new_title, "\\");
+			path_last_end = path_index;
+		}
+	}
+	if (path_last_end)
+		strncat(new_title, path, path_last_end);
+
+	strcat(new_title, " - ");
+	strcat(new_title, ctx.page.title);
+	ctx.page.title = new_title;
+}
+
 static void print_object(const unsigned char *sha1, char *path, const char *basename, const char *rev)
 {
 	enum object_type type;
@@ -93,16 +123,21 @@ static void print_object(const unsigned char *sha1, char *path, const char *base
 
 	type = sha1_object_info(sha1, &size);
 	if (type == OBJ_BAD) {
-		cgit_print_error("Bad object name: %s", sha1_to_hex(sha1));
+		cgit_print_error_page(404, "Not found",
+			"Bad object name: %s", sha1_to_hex(sha1));
 		return;
 	}
 
 	buf = read_sha1_file(sha1, &type, &size);
 	if (!buf) {
-		cgit_print_error("Error reading object %s", sha1_to_hex(sha1));
+		cgit_print_error_page(500, "Internal server error",
+			"Error reading object %s", sha1_to_hex(sha1));
 		return;
 	}
 
+	set_title_from_path(path);
+
+	cgit_print_layout_start();
 	htmlf("blob: %s (", sha1_to_hex(sha1));
 	cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
 		        rev, path);
@@ -120,10 +155,75 @@ static void print_object(const unsigned char *sha1, char *path, const char *base
 		print_text_buffer(basename, buf, size);
 }
 
+struct single_tree_ctx {
+	struct strbuf *path;
+	unsigned char sha1[GIT_SHA1_RAWSZ];
+	char *name;
+	size_t count;
+};
+
+static int single_tree_cb(const unsigned char *sha1, struct strbuf *base,
+			  const char *pathname, unsigned mode, int stage,
+			  void *cbdata)
+{
+	struct single_tree_ctx *ctx = cbdata;
+
+	if (++ctx->count > 1)
+		return -1;
+
+	if (!S_ISDIR(mode)) {
+		ctx->count = 2;
+		return -1;
+	}
+
+	ctx->name = xstrdup(pathname);
+	hashcpy(ctx->sha1, sha1);
+	strbuf_addf(ctx->path, "/%s", pathname);
+	return 0;
+}
 
-static int ls_item(const unsigned char *sha1, const char *base, int baselen,
-		   const char *pathname, unsigned int mode, int stage,
-		   void *cbdata)
+static void write_tree_link(const unsigned char *sha1, char *name,
+			    char *rev, struct strbuf *fullpath)
+{
+	size_t initial_length = fullpath->len;
+	struct tree *tree;
+	struct single_tree_ctx tree_ctx = {
+		.path = fullpath,
+		.count = 1,
+	};
+	struct pathspec paths = {
+		.nr = 0
+	};
+
+	hashcpy(tree_ctx.sha1, sha1);
+
+	while (tree_ctx.count == 1) {
+		cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head, rev,
+			       fullpath->buf);
+
+		tree = lookup_tree(tree_ctx.sha1);
+		if (!tree)
+			return;
+
+		free(tree_ctx.name);
+		tree_ctx.name = NULL;
+		tree_ctx.count = 0;
+
+		read_tree_recursive(tree, "", 0, 1, &paths, single_tree_cb,
+				    &tree_ctx);
+
+		if (tree_ctx.count != 1)
+			break;
+
+		html(" / ");
+		name = tree_ctx.name;
+	}
+
+	strbuf_setlen(fullpath, initial_length);
+}
+
+static int ls_item(const unsigned char *sha1, struct strbuf *base,
+		const char *pathname, unsigned mode, int stage, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 	char *name;
@@ -142,6 +242,7 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 			htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
 			      name,
 			      sha1_to_hex(sha1));
+			free(name);
 			return 0;
 		}
 	}
@@ -152,8 +253,8 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 	if (S_ISGITLINK(mode)) {
 		cgit_submodule_link("ls-mod", fullpath.buf, sha1_to_hex(sha1));
 	} else if (S_ISDIR(mode)) {
-		cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
-			       walk_tree_ctx->curr_rev, fullpath.buf);
+		write_tree_link(sha1, name, walk_tree_ctx->curr_rev,
+				&fullpath);
 	} else {
 		char *ext = strrchr(name, '.');
 		strbuf_addstr(&class, "ls-blob");
@@ -167,7 +268,7 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 	html("<td>");
 	cgit_log_link("log", NULL, "button", ctx.qry.head,
 		      walk_tree_ctx->curr_rev, fullpath.buf, 0, NULL, NULL,
-		      ctx.qry.showmsg);
+		      ctx.qry.showmsg, 0);
 	if (ctx.repo->max_stats)
 		cgit_stats_link("stats", NULL, "button", ctx.qry.head,
 				fullpath.buf);
@@ -181,8 +282,9 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 	return 0;
 }
 
-static void ls_head()
+static void ls_head(void)
 {
+	cgit_print_layout_start();
 	html("<table summary='tree listing' class='list'>\n");
 	html("<tr class='nohover'>");
 	html("<th class='left'>Mode</th>");
@@ -192,9 +294,10 @@ static void ls_head()
 	html("</tr>\n");
 }
 
-static void ls_tail()
+static void ls_tail(void)
 {
 	html("</table>\n");
+	cgit_print_layout_end();
 }
 
 static void ls_tree(const unsigned char *sha1, char *path, struct walk_tree_context *walk_tree_ctx)
@@ -206,7 +309,8 @@ static void ls_tree(const unsigned char *sha1, char *path, struct walk_tree_cont
 
 	tree = parse_tree_indirect(sha1);
 	if (!tree) {
-		cgit_print_error("Not a tree object: %s", sha1_to_hex(sha1));
+		cgit_print_error_page(404, "Not found",
+			"Not a tree object: %s", sha1_to_hex(sha1));
 		return;
 	}
 
@@ -216,33 +320,36 @@ static void ls_tree(const unsigned char *sha1, char *path, struct walk_tree_cont
 }
 
 
-static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
-		     const char *pathname, unsigned mode, int stage,
-		     void *cbdata)
+static int walk_tree(const unsigned char *sha1, struct strbuf *base,
+		const char *pathname, unsigned mode, int stage, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
-	static char buffer[PATH_MAX];
 
 	if (walk_tree_ctx->state == 0) {
-		memcpy(buffer, base, baselen);
-		strcpy(buffer + baselen, pathname);
-		if (strcmp(walk_tree_ctx->match_path, buffer))
+		struct strbuf buffer = STRBUF_INIT;
+
+		strbuf_addbuf(&buffer, base);
+		strbuf_addstr(&buffer, pathname);
+		if (strcmp(walk_tree_ctx->match_path, buffer.buf))
 			return READ_TREE_RECURSIVE;
 
 		if (S_ISDIR(mode)) {
 			walk_tree_ctx->state = 1;
+			set_title_from_path(buffer.buf);
+			strbuf_release(&buffer);
 			ls_head();
 			return READ_TREE_RECURSIVE;
 		} else {
-			print_object(sha1, buffer, pathname, walk_tree_ctx->curr_rev);
+			walk_tree_ctx->state = 2;
+			print_object(sha1, buffer.buf, pathname, walk_tree_ctx->curr_rev);
+			strbuf_release(&buffer);
 			return 0;
 		}
 	}
-	ls_item(sha1, base, baselen, pathname, mode, stage, walk_tree_ctx);
+	ls_item(sha1, base, pathname, mode, stage, walk_tree_ctx);
 	return 0;
 }
 
-
 /*
  * Show a tree or a blob
  *   rev:  the commit pointing at the root tree object
@@ -250,7 +357,7 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
  */
 void cgit_print_tree(const char *rev, char *path)
 {
-	unsigned char sha1[20];
+	struct object_id oid;
 	struct commit *commit;
 	struct pathspec_item path_items = {
 		.match = path,
@@ -268,26 +375,32 @@ void cgit_print_tree(const char *rev, char *path)
 	if (!rev)
 		rev = ctx.qry.head;
 
-	if (get_sha1(rev, sha1)) {
-		cgit_print_error("Invalid revision name: %s", rev);
+	if (get_oid(rev, &oid)) {
+		cgit_print_error_page(404, "Not found",
+			"Invalid revision name: %s", rev);
 		return;
 	}
-	commit = lookup_commit_reference(sha1);
+	commit = lookup_commit_reference(oid.hash);
 	if (!commit || parse_commit(commit)) {
-		cgit_print_error("Invalid commit reference: %s", rev);
+		cgit_print_error_page(404, "Not found",
+			"Invalid commit reference: %s", rev);
 		return;
 	}
 
 	walk_tree_ctx.curr_rev = xstrdup(rev);
 
 	if (path == NULL) {
-		ls_tree(commit->tree->object.sha1, NULL, &walk_tree_ctx);
+		ls_tree(commit->tree->object.oid.hash, NULL, &walk_tree_ctx);
 		goto cleanup;
 	}
 
 	read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
 	if (walk_tree_ctx.state == 1)
 		ls_tail();
+	else if (walk_tree_ctx.state == 2)
+		cgit_print_layout_end();
+	else
+		cgit_print_error_page(404, "Not found", "Path not found");
 
 cleanup:
 	free(walk_tree_ctx.curr_rev);