Add and use cgit_tree_link()

This creates a new function used to generate links to 'tree' page and uses
the function everywhere a link to the 'tree' page is generated.

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

cgit.h

@@ -201,6 +201,9 @@ extern char *cgit_repourl(const char *reponame);
 extern char *cgit_pageurl(const char *reponame, const char *pagename,
 			  const char *query);
 
+extern void cgit_tree_link(char *name, char *title, char *class, char *head,
+			   char *rev, char *path);
+
 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);

ui-commit.c

@@ -153,6 +153,7 @@ void cgit_print_commit(const char *hex)
 	unsigned char sha1[20];
 	char *query;
 	char *filename;
+	char *tmp;
 	int i;
 
 	if (get_sha1(hex, sha1)) {
@@ -181,10 +182,11 @@ void cgit_print_commit(const char *hex)
 	html("</td><td class='right'>");
 	cgit_print_date(info->committer_date, FMT_LONGDATE);
 	html("</td></tr>\n");
-	html("<tr><th>tree</th><td colspan='2' class='sha1'><a href='");
+	html("<tr><th>tree</th><td colspan='2' class='sha1'>");
-	query = fmt("h=%s", sha1_to_hex(commit->object.sha1));
+	tmp = xstrdup(hex);
-	html_attr(cgit_pageurl(cgit_query_repo, "tree", query));
+	cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
-	htmlf("'>%s</a></td></tr>\n", sha1_to_hex(commit->tree->object.sha1));
+		       cgit_query_head, tmp, NULL);
+	html("</td></tr>\n");
       	for (p = commit->parents; p ; p = p->next) {
 		parent = lookup_commit_reference(p->item->object.sha1);
 		if (!parent) {

ui-repolist.c

@@ -44,7 +44,6 @@ static void print_modtime(struct repoinfo *repo)
 
 void cgit_print_repolist(struct cacheitem *item)
 {
-	struct repoinfo *repo;
 	int i;
 	char *last_group = NULL;
 
@@ -65,37 +64,35 @@ void cgit_print_repolist(struct cacheitem *item)
 	     "<th>Links</th></tr>\n");
 
 	for (i=0; i<cgit_repolist.count; i++) {
-		repo = &cgit_repolist.repos[i];
+		cgit_repo = &cgit_repolist.repos[i];
-		if ((last_group == NULL && repo->group != NULL) ||
+		if ((last_group == NULL && cgit_repo->group != NULL) ||
-		    (last_group != NULL && repo->group == NULL) ||
+		    (last_group != NULL && cgit_repo->group == NULL) ||
-		    (last_group != NULL && repo->group!= NULL &&
+		    (last_group != NULL && cgit_repo->group != NULL &&
-		     strcmp(repo->group, last_group))) {
+		     strcmp(cgit_repo->group, last_group))) {
 			html("<tr class='nohover'><td colspan='4' class='repogroup'>");
-			html_txt(repo->group);
+			html_txt(cgit_repo->group);
 			html("</td></tr>");
-			last_group = repo->group;
+			last_group = cgit_repo->group;
 		}
 		htmlf("<tr><td class='%s'>",
-		      repo->group ? "sublevel-repo" : "toplevel-repo");
+		      cgit_repo->group ? "sublevel-repo" : "toplevel-repo");
-		html_link_open(cgit_repourl(repo->url), repo->desc, NULL);
+		html_link_open(cgit_repourl(cgit_repo->url), NULL, NULL);
-		html_txt(repo->name);
+		html_txt(cgit_repo->name);
 		html_link_close();
 		html("</td><td>");
-		html_ntxt(cgit_max_repodesc_len, repo->desc);
+		html_ntxt(cgit_max_repodesc_len, cgit_repo->desc);
 		html("</td><td>");
-		html_txt(repo->owner);
+		html_txt(cgit_repo->owner);
 		html("</td><td>");
-		print_modtime(repo);
+		print_modtime(cgit_repo);
 		html("</td><td>");
-		html_link_open(cgit_repourl(repo->url),
+		html_link_open(cgit_repourl(cgit_repo->url),
 			       "Summary", "button");
 		html("S</a>");
-		html_link_open(cgit_pageurl(repo->name, "log", NULL),
+		html_link_open(cgit_pageurl(cgit_repo->name, "log", NULL),
 			       "Log", "button");
 		html("L</a>");
-		html_link_open(cgit_pageurl(repo->name, "tree", NULL),
+		cgit_tree_link("F", "Files", "button", NULL, NULL, NULL);
-			       "Files", "button");
-		html("F</a>");
 		html("</td></tr>\n");
 	}
 	html("</table>");

ui-shared.c

@@ -87,6 +87,70 @@ 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("/");
+		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("/");
+		html(page);
+		html("/");
+		if (path)
+			html_attr(path);
+		delim = "&amp;";
+	}
+	if (head && head != cgit_query_head) {
+		html(delim);
+		html("h=");
+		html_attr(head);
+		delim = "&amp;";
+	}
+	return fmt("%s", delim);
+}
+
+void cgit_tree_link(char *name, char *title, char *class, char *head,
+		    char *rev, char *path)
+{
+	char *delim;
+
+	delim = repolink(title, class, "tree", head, path);
+	if (rev && rev != cgit_query_head) {
+		html(delim);
+		html("id=");
+		html_attr(rev);
+	}
+	html("'>");
+	html_txt(name);
+	html("</a>");
+}
 
 void cgit_print_date(time_t secs, char *format)
 {

ui-tree.c

@@ -55,11 +55,15 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 		   const char *pathname, unsigned int mode, int stage)
 {
 	char *name;
+	char *fullpath;
 	enum object_type type;
 	unsigned long size = 0;
 	char *url, *qry;
 
 	name = xstrdup(pathname);
+	fullpath = fmt("%s%s%s", cgit_query_path ? cgit_query_path : "",
+		       cgit_query_path ? "/" : "", name);
+
 	type = sha1_object_info(sha1, &size);
 	if (type == OBJ_BAD && !S_ISDIRLNK(mode)) {
 		htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
@@ -67,10 +71,7 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 		      sha1_to_hex(sha1));
 		return 0;
 	}
-	qry = fmt("h=%s&amp;path=%s%s%s", curr_rev,
+
-		  cgit_query_path ? cgit_query_path : "",
-		  cgit_query_path ? "/" : "", pathname);
-	url = cgit_pageurl(cgit_query_repo, "tree", qry);
 	html("<tr><td class='filemode'>");
 	html_filemode(mode);
 	html("</td><td ");
@@ -79,15 +80,19 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 		html_attr(fmt(cgit_repo->module_link,
 			      name,
 			      sha1_to_hex(sha1)));
+		html("'>");
+		html_txt(name);
+		html("</a>");
 	} else if (S_ISDIR(mode)) {
-		html("class='ls-dir'><a href='");
+		html("class='ls-dir'>");
-		html_attr(url);
+		cgit_tree_link(name, NULL, NULL, cgit_query_head,
+			       curr_rev, fullpath);
 	} else {
-		html("class='ls-blob'><a href='");
+		html("class='ls-blob'>");
-		html_attr(url);
+		cgit_tree_link(name, NULL, NULL, cgit_query_head,
+			       curr_rev, fullpath);
 	}
-	htmlf("'>%s</a></td>", name);
+	htmlf("</td><td class='filesize'>%li</td>", size);
-	htmlf("<td class='filesize'>%li</td>", size);
 
 	html("<td class='links'><a href='");
 	qry = fmt("h=%s&amp;path=%s%s%s", curr_rev,
@@ -150,11 +155,9 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 		strcpy(buffer+baselen, pathname);
 		url = cgit_pageurl(cgit_query_repo, "tree",
 				   fmt("h=%s&amp;path=%s", curr_rev, buffer));
-		htmlf(" / <a href='");
+		html("/");
-		html_attr(url);
+		cgit_tree_link(xstrdup(pathname), NULL, NULL, cgit_query_head,
-		html("'>");
+			       curr_rev, buffer);
-		html_txt(xstrdup(pathname));
-		html("</a>");
 
 		if (strcmp(match_path, buffer))
 			return READ_TREE_RECURSIVE;