1 files changed, 150 insertions, 66 deletions
diff --git a/ui-shared.c b/ui-shared.c
index 8827fff..e991799 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -26,9 +26,9 @@ static char *http_date(time_t t)
                   tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
                   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
-void cgit_print_error(char *msg)
+void cgit_print_error(const char *msg)
 {
        html("<div class='error'>");
        html_txt(msg);
        html("</div>\n");
@@ -132,9 +132,9 @@ char *cgit_currurl()
        else
                return fmt("%s/", ctx.cfg.virtual_root);
 }
-static void site_url(char *page, char *search, int ofs)
+static void site_url(const char *page, const char *search, int ofs)
 {
        char *delim = "?";
        if (ctx.cfg.virtual_root) {
@@ -159,10 +159,10 @@ static void site_url(char *page, char *search, int ofs)
                htmlf("ofs=%d", ofs);
        }
 }
-static void site_link(char *page, char *name, char *title, char *class,
+static void site_link(const char *page, const char *name, const char *title,
-                      char *search, int ofs)
+                      const char *class, const char *search, int ofs)
 {
        html("<a");
        if (title) {
                html(" title='");
@@ -180,16 +180,16 @@ static void site_link(char *page, char *name, char *title, char *class,
        html_txt(name);
        html("</a>");
 }
-void cgit_index_link(char *name, char *title, char *class, char *pattern,
+void cgit_index_link(const char *name, const char *title, const char *class,
-                     int ofs)
+                     const char *pattern, int ofs)
 {
        site_link(NULL, name, title, class, pattern, ofs);
 }
-static char *repolink(char *title, char *class, char *page, char *head,
+static char *repolink(const char *title, const char *class, const char *page,
-                      char *path)
+                      const char *head, const char *path)
 {
        char *delim = "?";
        html("<a");
@@ -239,10 +239,11 @@ static char *repolink(char *title, char *class, char *page, char *head,
        }
        return fmt("%s", delim);
 }
-static void reporevlink(char *page, char *name, char *title, char *class,
+static void reporevlink(const char *page, const char *name, const char *title,
-                        char *head, char *rev, char *path)
+                        const char *class, const char *head, const char *rev,
+                        const char *path)
 {
        char *delim;
        delim = repolink(title, class, page, head, path);
@@ -255,34 +256,35 @@ static void reporevlink(char *page, char *name, char *title, char *class,
        html_txt(name);
        html("</a>");
 }
-void cgit_summary_link(char *name, char *title, char *class, char *head)
+void cgit_summary_link(const char *name, const char *title, const char *class,
+                       const char *head)
 {
        reporevlink(NULL, name, title, class, head, NULL, NULL);
 }
-void cgit_tag_link(char *name, char *title, char *class, char *head,
+void cgit_tag_link(const char *name, const char *title, const char *class,
-                   char *rev)
+                   const char *head, const char *rev)
 {
        reporevlink("tag", name, title, class, head, rev, NULL);
 }
-void cgit_tree_link(char *name, char *title, char *class, char *head,
+void cgit_tree_link(const char *name, const char *title, const char *class,
-                    char *rev, char *path)
+                    const char *head, const char *rev, const char *path)
 {
        reporevlink("tree", name, title, class, head, rev, path);
 }
-void cgit_plain_link(char *name, char *title, char *class, char *head,
+void cgit_plain_link(const char *name, const char *title, const char *class,
-                     char *rev, char *path)
+                     const char *head, const char *rev, const char *path)
 {
        reporevlink("plain", name, title, class, head, rev, path);
 }
-void cgit_log_link(char *name, char *title, char *class, char *head,
+void cgit_log_link(const char *name, const char *title, const char *class,
-                   char *rev, char *path, int ofs, char *grep, char *pattern,
+                   const char *head, const char *rev, const char *path,
-                   int showmsg)
+                   int ofs, const char *grep, const char *pattern, int showmsg)
 {
        char *delim;
        delim = repolink(title, class, "log", head, path);
@@ -315,10 +317,11 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
        html_txt(name);
        html("</a>");
 }
-void cgit_commit_link(char *name, char *title, char *class, char *head,
+void cgit_commit_link(char *name, const char *title, const char *class,
-                      char *rev, int toggle_ssdiff)
+                      const char *head, const char *rev, const char *path,
+                      int toggle_ssdiff)
 {
        if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
                name[ctx.cfg.max_msg_len] = '\0';
                name[ctx.cfg.max_msg_len - 1] = '.';
@@ -327,9 +330,9 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
        }
        char *delim;
-        delim = repolink(title, class, "commit", head, NULL);
+        delim = repolink(title, class, "commit", head, path);
        if (rev && strcmp(rev, ctx.qry.head)) {
                html(delim);
                html("id=");
                html_url_arg(rev);
@@ -343,23 +346,24 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
        html_txt(name);
        html("</a>");
 }
-void cgit_refs_link(char *name, char *title, char *class, char *head,
+void cgit_refs_link(const char *name, const char *title, const char *class,
-                    char *rev, char *path)
+                    const char *head, const char *rev, const char *path)
 {
        reporevlink("refs", name, title, class, head, rev, path);
 }
-void cgit_snapshot_link(char *name, char *title, char *class, char *head,
+void cgit_snapshot_link(const char *name, const char *title, const char *class,
-                        char *rev, char *archivename)
+                        const char *head, const char *rev,
+                        const char *archivename)
 {
        reporevlink("snapshot", name, title, class, head, rev, archivename);
 }
-void cgit_diff_link(char *name, char *title, char *class, char *head,
+void cgit_diff_link(const char *name, const char *title, const char *class,
-                    char *new_rev, char *old_rev, char *path,
+                    const char *head, const char *new_rev, const char *old_rev,
-                    int toggle_ssdiff)
+                    const char *path, int toggle_ssdiff)
 {
        char *delim;
        delim = repolink(title, class, "diff", head, path);
@@ -383,20 +387,78 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
        html_txt(name);
        html("</a>");
 }
-void cgit_patch_link(char *name, char *title, char *class, char *head,
+void cgit_patch_link(const char *name, const char *title, const char *class,
-                     char *rev)
+                     const char *head, const char *rev, const char *path)
 {
-        reporevlink("patch", name, title, class, head, rev, NULL);
+        reporevlink("patch", name, title, class, head, rev, path);
 }
-void cgit_stats_link(char *name, char *title, char *class, char *head,
+void cgit_stats_link(const char *name, const char *title, const char *class,
-                     char *path)
+                     const char *head, const char *path)
 {
        reporevlink("stats", name, title, class, head, NULL, path);
 }
+void cgit_self_link(char *name, const char *title, const char *class,
+                    struct cgit_context *ctx)
+{
+        if (!strcmp(ctx->qry.page, "repolist"))
+                return cgit_index_link(name, title, class, ctx->qry.search,
+                                       ctx->qry.ofs);
+        else if (!strcmp(ctx->qry.page, "summary"))
+                return cgit_summary_link(name, title, class, ctx->qry.head);
+        else if (!strcmp(ctx->qry.page, "tag"))
+                return cgit_tag_link(name, title, class, ctx->qry.head,
+                                     ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL);
+        else if (!strcmp(ctx->qry.page, "tree"))
+                return cgit_tree_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                      ctx->qry.path);
+        else if (!strcmp(ctx->qry.page, "plain"))
+                return cgit_plain_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                      ctx->qry.path);
+        else if (!strcmp(ctx->qry.page, "log"))
+                return cgit_log_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                      ctx->qry.path, ctx->qry.ofs,
+                                      ctx->qry.grep, ctx->qry.search,
+                                      ctx->qry.showmsg);
+        else if (!strcmp(ctx->qry.page, "commit"))
+                return cgit_commit_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                      ctx->qry.path, 0);
+        else if (!strcmp(ctx->qry.page, "patch"))
+                return cgit_patch_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                      ctx->qry.path);
+        else if (!strcmp(ctx->qry.page, "refs"))
+                return cgit_refs_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                      ctx->qry.path);
+        else if (!strcmp(ctx->qry.page, "snapshot"))
+                return cgit_snapshot_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                      ctx->qry.path);
+        else if (!strcmp(ctx->qry.page, "diff"))
+                return cgit_diff_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.sha1, ctx->qry.sha2,
+                                      ctx->qry.path, 0);
+        else if (!strcmp(ctx->qry.page, "stats"))
+                return cgit_stats_link(name, title, class, ctx->qry.head,
+                                      ctx->qry.path);
+        /* Don't known how to make link for this page */
+        repolink(title, class, ctx->qry.page, ctx->qry.head, ctx->qry.path);
+        html("><!-- cgit_self_link() doesn't know how to make link for page '");
+        html_txt(ctx->qry.page);
+        html("' -->");
+        html_txt(name);
+        html("</a>");
+}
 void cgit_object_link(struct object *obj)
 {
        char *page, *shortrev, *fullrev, *name;
@@ -404,9 +466,9 @@ void cgit_object_link(struct object *obj)
        shortrev = xstrdup(fullrev);
        shortrev[10] = '\0';
        if (obj->type == OBJ_COMMIT) {
                cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
-                                 ctx.qry.head, fullrev, 0);
+                                 ctx.qry.head, fullrev, NULL, 0);
                return;
        } else if (obj->type == OBJ_TREE)
                page = "tree";
        else if (obj->type == OBJ_TAG)
@@ -416,9 +478,9 @@ void cgit_object_link(struct object *obj)
        name = fmt("%s %s...", typename(obj->type), shortrev);
        reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 }
-void cgit_print_date(time_t secs, char *format, int local_time)
+void cgit_print_date(time_t secs, const char *format, int local_time)
 {
        char buf[64];
        struct tm *time;
@@ -431,9 +493,9 @@ void cgit_print_date(time_t secs, char *format, int local_time)
        strftime(buf, sizeof(buf)-1, format, time);
        html_txt(buf);
 }
-void cgit_print_age(time_t t, time_t max_relative, char *format)
+void cgit_print_age(time_t t, time_t max_relative, const char *format)
 {
        time_t now, secs;
        if (!t)
@@ -530,9 +592,9 @@ void cgit_print_docstart(struct cgit_context *ctx)
        if (host && ctx->repo) {
                html("<link rel='alternate' title='Atom feed' href='");
                html(cgit_httpscheme());
                html_attr(cgit_hosturl());
-                html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
+                html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.vpath,
                                       fmt("h=%s", ctx->qry.head)));
                html("' type='application/atom+xml'/>\n");
        }
        if (ctx->cfg.head_include)
@@ -610,16 +672,17 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
        html_link_close();
        return 0;
 }
-void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
+void cgit_add_hidden_formfields(int incl_head, int incl_search,
+                                const char *page)
 {
        char *url;
        if (!ctx.cfg.virtual_root) {
                url = fmt("%s/%s", ctx.qry.repo, page);
-                if (ctx.qry.path)
+                if (ctx.qry.vpath)
-                        url = fmt("%s/%s", url, ctx.qry.path);
+                        url = fmt("%s/%s", url, ctx.qry.vpath);
                html_hidden("url", url);
        }
        if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
@@ -640,13 +703,32 @@ void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
                        html_hidden("q", ctx.qry.search);
        }
 }
-const char *fallback_cmd = "repolist";
+static const char *hc(struct cgit_context *ctx, const char *page)
+{
+        return strcmp(ctx->qry.page, page) ? NULL : "active";
+}
-char *hc(struct cgit_cmd *cmd, const char *page)
+static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
 {
-        return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
+        char *old_path = ctx->qry.path;
+        char *p = path, *q, *end = path + strlen(path);
+        ctx->qry.path = NULL;
+        cgit_self_link("root", NULL, NULL, ctx);
+        ctx->qry.path = p = path;
+        while (p < end) {
+                if (!(q = strchr(p, '/')))
+                        q = end;
+                *q = '\0';
+                html_txt("/");
+                cgit_self_link(p, NULL, NULL, ctx);
+                if (q < end)
+                        *q = '/';
+                p = q + 1;
+        }
+        ctx->qry.path = old_path;
 }
 static void print_header(struct cgit_context *ctx)
 {
@@ -696,43 +778,39 @@ static void print_header(struct cgit_context *ctx)
 }
 void cgit_print_pageheader(struct cgit_context *ctx)
 {
-        struct cgit_cmd *cmd = cgit_get_cmd(ctx);
-        if (!cmd && ctx->repo)
-                fallback_cmd = "summary";
        html("<div id='cgit'>");
        if (!ctx->cfg.noheader)
                print_header(ctx);
        html("<table class='tabs'><tr><td>\n");
        if (ctx->repo) {
-                cgit_summary_link("summary", NULL, hc(cmd, "summary"),
+                cgit_summary_link("summary", NULL, hc(ctx, "summary"),
                                  ctx->qry.head);
-                cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
+                cgit_refs_link("refs", NULL, hc(ctx, "refs"), ctx->qry.head,
-                               ctx->qry.sha1, NULL);
-                cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
-                              NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
-                cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
                               ctx->qry.sha1, NULL);
-                cgit_commit_link("commit", NULL, hc(cmd, "commit"),
+                cgit_log_link("log", NULL, hc(ctx, "log"), ctx->qry.head,
-                                 ctx->qry.head, ctx->qry.sha1, 0);
+                              NULL, ctx->qry.vpath, 0, NULL, NULL,
-                cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
+                              ctx->qry.showmsg);
-                               ctx->qry.sha1, ctx->qry.sha2, NULL, 0);
+                cgit_tree_link("tree", NULL, hc(ctx, "tree"), ctx->qry.head,
+                               ctx->qry.sha1, ctx->qry.vpath);
+                cgit_commit_link("commit", NULL, hc(ctx, "commit"),
+                                 ctx->qry.head, ctx->qry.sha1, ctx->qry.vpath, 0);
+                cgit_diff_link("diff", NULL, hc(ctx, "diff"), ctx->qry.head,
+                               ctx->qry.sha1, ctx->qry.sha2, ctx->qry.vpath, 0);
                if (ctx->repo->max_stats)
-                        cgit_stats_link("stats", NULL, hc(cmd, "stats"),
+                        cgit_stats_link("stats", NULL, hc(ctx, "stats"),
-                                        ctx->qry.head, NULL);
+                                        ctx->qry.head, ctx->qry.vpath);
                if (ctx->repo->readme)
                        reporevlink("about", "about", NULL,
-                                    hc(cmd, "about"), ctx->qry.head, NULL,
+                                    hc(ctx, "about"), ctx->qry.head, NULL,
                                    NULL);
                html("</td><td class='form'>");
                html("<form class='right' method='get' action='");
                if (ctx->cfg.virtual_root)
                        html_url_path(cgit_fileurl(ctx->qry.repo, "log",
-                                                   ctx->qry.path, NULL));
+                                                   ctx->qry.vpath, NULL));
                html("'>\n");
                cgit_add_hidden_formfields(1, 0, "log");
                html("<select name='qt'>\n");
                html_option("grep", "log msg", ctx->qry.grep);
@@ -744,11 +822,11 @@ void cgit_print_pageheader(struct cgit_context *ctx)
                html("'/>\n");
                html("<input type='submit' value='search'/>\n");
                html("</form>\n");
        } else {
-                site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
+                site_link(NULL, "index", NULL, hc(ctx, "repolist"), NULL, 0);
                if (ctx->cfg.root_readme)
-                        site_link("about", "about", NULL, hc(cmd, "about"),
+                        site_link("about", "about", NULL, hc(ctx, "about"),
                                  NULL, 0);
                html("</td><td class='form'>");
                html("<form method='get' action='");
                html_attr(cgit_rooturl());
@@ -759,8 +837,14 @@ void cgit_print_pageheader(struct cgit_context *ctx)
                html("<input type='submit' value='search'/>\n");
                html("</form>");
        }
        html("</td></tr></table>\n");
+        if (ctx->qry.vpath) {
+                html("<div class='path'>");
+                html("path: ");
+                cgit_print_path_crumbs(ctx, ctx->qry.vpath);
+                html("</div>");
+        }
        html("<div class='content'>");
 }
 void cgit_print_filemode(unsigned short mode)