Implement minimal freetext search in the repolist

This makes the repolist much more usable when there's a lot of repositories
registered in cgitrc.

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

2 files changed, 47 insertions, 13 deletions

diff --git a/ui-repolist.c b/ui-repolist.c
index 9eba222..a7de453 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -1,114 +1,139 @@
 /* ui-repolist.c: functions for generating the repolist page
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include <time.h>
 
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
 
 time_t read_agefile(char *path)
 {
 	FILE *f;
 	static char buf[64], buf2[64];
 
 	if (!(f = fopen(path, "r")))
 		return -1;
 	fgets(buf, sizeof(buf), f);
 	fclose(f);
 	if (parse_date(buf, buf2, sizeof(buf2)))
 		return strtoul(buf2, NULL, 10);
 	else
 		return 0;
 }
 
 static void print_modtime(struct cgit_repo *repo)
 {
 	char *path;
 	struct stat s;
 
 	path = fmt("%s/%s", repo->path, ctx.cfg.agefile);
 	if (stat(path, &s) == 0) {
 		cgit_print_age(read_agefile(path), -1, NULL);
 		return;
 	}
 
 	path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch);
 	if (stat(path, &s) != 0)
 		return;
 	cgit_print_age(s.st_mtime, -1, NULL);
 }
 
-void cgit_print_repolist()
+int is_match(struct cgit_repo *repo)
 {
-	int i, columns = 4;
-	char *last_group = NULL;
-
-	if (ctx.cfg.enable_index_links)
-		columns++;
-
-	ctx.page.title = ctx.cfg.root_title;
-	cgit_print_http_headers(&ctx);
-	cgit_print_docstart(&ctx);
-	cgit_print_pageheader(&ctx);
+	if (!ctx.qry.search)
+		return 1;
+	if (repo->url && strstr(repo->url, ctx.qry.search))
+		return 1;
+	if (repo->name && strstr(repo->name, ctx.qry.search))
+		return 1;
+	if (repo->desc && strstr(repo->desc, ctx.qry.search))
+		return 1;
+	if (repo->owner && strstr(repo->owner, ctx.qry.search))
+		return 1;
+	return 0;
+}
 
-	html("<table summary='repository list' class='list nowrap'>");
+void print_header(int columns)
+{
 	if (ctx.cfg.index_header) {
 		htmlf("<tr class='nohover'><td colspan='%d' class='include-block'>",
 		      columns);
 		html_include(ctx.cfg.index_header);
 		html("</td></tr>");
 	}
 	html("<tr class='nohover'>"
 	     "<th class='left'>Name</th>"
 	     "<th class='left'>Description</th>"
 	     "<th class='left'>Owner</th>"
 	     "<th class='left'>Idle</th>");
 	if (ctx.cfg.enable_index_links)
 		html("<th class='left'>Links</th>");
 	html("</tr>\n");
+}
 
+void cgit_print_repolist()
+{
+	int i, columns = 4, hits = 0, header = 0;
+	char *last_group = NULL;
+
+	if (ctx.cfg.enable_index_links)
+		columns++;
+
+	ctx.page.title = ctx.cfg.root_title;
+	cgit_print_http_headers(&ctx);
+	cgit_print_docstart(&ctx);
+	cgit_print_pageheader(&ctx);
+
+	html("<table summary='repository list' class='list nowrap'>");
 	for (i=0; i<cgit_repolist.count; i++) {
 		ctx.repo = &cgit_repolist.repos[i];
+		if (!is_match(ctx.repo))
+			continue;
+		if (!header++)
+			print_header(columns);
+		hits++;
 		if ((last_group == NULL && ctx.repo->group != NULL) ||
 		    (last_group != NULL && ctx.repo->group == NULL) ||
 		    (last_group != NULL && ctx.repo->group != NULL &&
 		     strcmp(ctx.repo->group, last_group))) {
 			htmlf("<tr class='nohover'><td colspan='%d' class='repogroup'>",
 			      columns);
 			html_txt(ctx.repo->group);
 			html("</td></tr>");
 			last_group = ctx.repo->group;
 		}
 		htmlf("<tr><td class='%s'>",
 		      ctx.repo->group ? "sublevel-repo" : "toplevel-repo");
 		html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 		html_txt(ctx.repo->name);
 		html_link_close();
 		html("</td><td>");
 		html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 		html("</td><td>");
 		html_txt(ctx.repo->owner);
 		html("</td><td>");
 		print_modtime(ctx.repo);
 		html("</td>");
 		if (ctx.cfg.enable_index_links) {
 			html("<td>");
 			html_link_open(cgit_repourl(ctx.repo->url),
 				       NULL, "button");
 			html("summary</a>");
 			cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 				      0, NULL, NULL);
 			cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 			html("</td>");
 		}
 		html("</tr>\n");
 	}
 	html("</table>");
+	if (!hits)
+		cgit_print_error("No repositories found");
 	cgit_print_docend();
 }
diff --git a/ui-shared.c b/ui-shared.c
index 782caa7..6253a90 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -494,109 +494,118 @@ void cgit_print_pageheader(struct cgit_context *ctx)
 		html("'>index</a> : ");
 */
 		reporevlink(NULL, ctx->repo->name, NULL, hc(cmd, "summary"),
 			    ctx->qry.head, NULL, NULL);
 		html(" : ");
 		html_txt(ctx->qry.page);
 		html("</td><td class='form'>");
 		html("<form method='get' action=''>\n");
 		add_hidden_formfields(0, 1, ctx->qry.page);
 		html("<select name='h' onchange='this.form.submit();'>\n");
 		for_each_branch_ref(print_branch_option, ctx->qry.head);
 		html("</select> ");
 		html("<input type='submit' name='' value='switch'/>");
 		html("</form>");
 	} else
 		html_txt(ctx->cfg.root_title);
 	html("</td>\n");
 
 	html("<tr><td class='sub'");
 	if (ctx->repo) {
 		html(" colspan='2'>");
 		html_txt(ctx->repo->desc);
 	}
 /*
 	else if (ctx->cfg.root_subtitle)
 		html_txt(ctx->cfg.root_subtitle);
 */
 	else {
 		html(">");
 		html_txt("a fast webinterface for the git dscm");
 	}
 	html("</td></tr>\n");
 
 	html("</tr>\n");
 	html("</table>\n");
 
 	html("<table class='tabs'><tr><td>\n");
 	if (ctx->repo) {
 		reporevlink(NULL, "summary", NULL, hc(cmd, "summary"),
 			    ctx->qry.head, NULL, NULL);
 		cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
 			       ctx->qry.sha1, NULL);
 		cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
 			      NULL, NULL, 0, NULL, NULL);
 		cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
 			       ctx->qry.sha1, NULL);
 		cgit_commit_link("commit", NULL, hc(cmd, "commit"),
 				 ctx->qry.head, ctx->qry.sha1);
 		cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
 			       ctx->qry.sha1, ctx->qry.sha2, NULL);
 		cgit_patch_link("patch", NULL, hc(cmd, "patch"), ctx->qry.head,
 				ctx->qry.sha1);
 		html("</td><td class='form'>");
 		html("<form class='right' method='get' action='");
 		if (ctx->cfg.virtual_root)
 			html_attr(cgit_fileurl(ctx->qry.repo, "log",
 					       ctx->qry.path, NULL));
 		html("'>\n");
 		add_hidden_formfields(1, 0, "log");
 		html("<select name='qt'>\n");
 		html_option("grep", "log msg", ctx->qry.grep);
 		html_option("author", "author", ctx->qry.grep);
 		html_option("committer", "committer", ctx->qry.grep);
 		html("</select>\n");
-		html("<input class='txt' type='text' size='8' name='q' value='");
+		html("<input class='txt' type='text' size='10' name='q' value='");
 		html_attr(ctx->qry.search);
 		html("'/>\n");
 		html("<input type='submit' value='search'/>\n");
 		html("</form>\n");
 	} else {
 		html("<a class='active' href='");
 		html_attr(cgit_rooturl());
 		html("'>index</a>\n");
+		html("</td><td class='form'>");
+		html("<form method='get' action='");
+		html_attr(cgit_rooturl());
+		html("'>\n");
+		html("<input type='text' name='q' size='10' value='");
+		html_attr(ctx->qry.search);
+		html("'/>\n");
+		html("<input type='submit' value='search'/>\n");
+		html("</form>");
 	}
 	html("</td></tr></table>\n");
 	html("<div class='content'>");
 }
 
 void cgit_print_filemode(unsigned short mode)
 {
 	if (S_ISDIR(mode))
 		html("d");
 	else if (S_ISLNK(mode))
 		html("l");
 	else if (S_ISGITLINK(mode))
 		html("m");
 	else
 		html("-");
 	html_fileperm(mode >> 6);
 	html_fileperm(mode >> 3);
 	html_fileperm(mode);
 }
 
 void cgit_print_snapshot_links(const char *repo, const char *head,
 			       const char *hex, int snapshots)
 {
 	const struct cgit_snapshot_format* f;
     	char *filename;
 
 	for (f = cgit_snapshot_formats; f->suffix; f++) {
 		if (!(snapshots & f->bit))
 			continue;
 		filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
 			       f->suffix);
 		cgit_snapshot_link(filename, NULL, NULL, (char *)head,
 				   (char *)hex, filename);
 		html("<br/>");
 	}
 }