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
@@ -15,100 +15,125 @@
 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
@@ -526,73 +526,82 @@ void cgit_print_pageheader(struct cgit_context *ctx)
 
         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,