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tests: add tests for links with space in path and/or args
[ps-cgit] / ui-shared.c
diff --git a/ui-shared.c b/ui-shared.c
index c7fbc5e576a9ca6dec19890c5bb29d1229d7e313..5aa911956aa3cbf344b437e15aad761f5cd11d86 100644 (file)
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -7,6 +7,8 @@
  */
 
 #include "cgit.h"
  */
 
 #include "cgit.h"
+#include "cmd.h"
+#include "html.h"
 
 const char cgit_doctype[] =
 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
 
 const char cgit_doctype[] =
 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
@@ -18,163 +20,900 @@ static char *http_date(time_t t)
                {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
        static char month[][4] =
                {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
                {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
        static char month[][4] =
                {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-                "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
+                "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
        struct tm *tm = gmtime(&t);
        return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
                   tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
                   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
        struct tm *tm = gmtime(&t);
        return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
                   tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
                   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-static long ttl_seconds(long ttl)
+void cgit_print_error(const char *msg)
 {
 {
-       if (ttl<0)
-               return 60 * 60 * 24 * 365;
+       html("<div class='error'>");
+       html_txt(msg);
+       html("</div>\n");
+}
+
+char *cgit_httpscheme()
+{
+       if (ctx.env.https && !strcmp(ctx.env.https, "on"))
+               return "https://";
        else
        else
-               return ttl * 60;
+               return "http://";
 }
 
 }
 
-void cgit_print_error(char *msg)
+char *cgit_hosturl()
 {
 {
-       html("<div class='error'>");
-       html_txt(msg);
-       html("</div>\n");
+       if (ctx.env.http_host)
+               return ctx.env.http_host;
+       if (!ctx.env.server_name)
+               return NULL;
+       if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80)
+               return ctx.env.server_name;
+       return xstrdup(fmt("%s:%s", ctx.env.server_name, ctx.env.server_port));
 }
 
 char *cgit_rooturl()
 {
 }
 
 char *cgit_rooturl()
 {
-       if (cgit_virtual_root)
-               return fmt("%s/", cgit_virtual_root);
+       if (ctx.cfg.virtual_root)
+               return fmt("%s/", ctx.cfg.virtual_root);
        else
        else
-               return cgit_script_name;
+               return ctx.cfg.script_name;
 }
 
 char *cgit_repourl(const char *reponame)
 {
 }
 
 char *cgit_repourl(const char *reponame)
 {
-       if (cgit_virtual_root) {
-               return fmt("%s/%s/", cgit_virtual_root, reponame);
+       if (ctx.cfg.virtual_root) {
+               return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
        } else {
                return fmt("?r=%s", reponame);
        }
 }
 
        } else {
                return fmt("?r=%s", reponame);
        }
 }
 
+char *cgit_fileurl(const char *reponame, const char *pagename,
+                  const char *filename, const char *query)
+{
+       char *tmp;
+       char *delim;
+
+       if (ctx.cfg.virtual_root) {
+               tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
+                         pagename, (filename ? filename:""));
+               delim = "?";
+       } else {
+               tmp = fmt("?url=%s/%s/%s", reponame, pagename,
+                         (filename ? filename : ""));
+               delim = "&";
+       }
+       if (query)
+               tmp = fmt("%s%s%s", tmp, delim, query);
+       return tmp;
+}
+
 char *cgit_pageurl(const char *reponame, const char *pagename,
                   const char *query)
 {
 char *cgit_pageurl(const char *reponame, const char *pagename,
                   const char *query)
 {
-       if (cgit_virtual_root) {
-               if (query)
-                       return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
-                                  pagename, query);
-               else
-                       return fmt("%s/%s/%s/", cgit_virtual_root, reponame,
-                                  pagename);
-       } else {
-               if (query)
-                       return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
-               else
-                       return fmt("?r=%s&p=%s", reponame, pagename);
+       return cgit_fileurl(reponame,pagename,0,query);
+}
+
+const char *cgit_repobasename(const char *reponame)
+{
+       /* I assume we don't need to store more than one repo basename */
+       static char rvbuf[1024];
+       int p;
+       const char *rv;
+       strncpy(rvbuf,reponame,sizeof(rvbuf));
+       if(rvbuf[sizeof(rvbuf)-1])
+               die("cgit_repobasename: truncated repository name '%s'", reponame);
+       p = strlen(rvbuf)-1;
+       /* strip trailing slashes */
+       while(p && rvbuf[p]=='/') rvbuf[p--]=0;
+       /* strip trailing .git */
+       if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
+               p -= 3; rvbuf[p--] = 0;
        }
        }
+       /* strip more trailing slashes if any */
+       while( p && rvbuf[p]=='/') rvbuf[p--]=0;
+       /* find last slash in the remaining string */
+       rv = strrchr(rvbuf,'/');
+       if(rv)
+               return ++rv;
+       return rvbuf;
 }
 
 char *cgit_currurl()
 {
 }
 
 char *cgit_currurl()
 {
-       if (!cgit_virtual_root)
-               return cgit_script_name;
-       else if (cgit_query_page)
-               return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
-       else if (cgit_query_repo)
-               return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
+       if (!ctx.cfg.virtual_root)
+               return ctx.cfg.script_name;
+       else if (ctx.qry.page)
+               return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
+       else if (ctx.qry.repo)
+               return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
        else
        else
-               return fmt("%s/", cgit_virtual_root);
+               return fmt("%s/", ctx.cfg.virtual_root);
+}
+
+static void site_url(const char *page, const char *search, int ofs)
+{
+       char *delim = "?";
+
+       if (ctx.cfg.virtual_root) {
+               html_attr(ctx.cfg.virtual_root);
+               if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
+                       html("/");
+       } else
+               html(ctx.cfg.script_name);
+
+       if (page) {
+               htmlf("?p=%s", page);
+               delim = "&";
+       }
+       if (search) {
+               html(delim);
+               html("q=");
+               html_attr(search);
+               delim = "&";
+       }
+       if (ofs) {
+               html(delim);
+               htmlf("ofs=%d", ofs);
+       }
+}
+
+static void site_link(const char *page, const char *name, const char *title,
+                     const char *class, const char *search, int ofs)
+{
+       html("<a");
+       if (title) {
+               html(" title='");
+               html_attr(title);
+               html("'");
+       }
+       if (class) {
+               html(" class='");
+               html_attr(class);
+               html("'");
+       }
+       html(" href='");
+       site_url(page, search, ofs);
+       html("'>");
+       html_txt(name);
+       html("</a>");
+}
+
+void cgit_index_link(const char *name, const char *title, const char *class,
+                    const char *pattern, int ofs)
+{
+       site_link(NULL, name, title, class, pattern, ofs);
+}
+
+static char *repolink(const char *title, const char *class, const char *page,
+                     const char *head, const 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 (ctx.cfg.virtual_root) {
+               html_url_path(ctx.cfg.virtual_root);
+               if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
+                       html("/");
+               html_url_path(ctx.repo->url);
+               if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
+                       html("/");
+               if (page) {
+                       html_url_path(page);
+                       html("/");
+                       if (path)
+                               html_url_path(path);
+               }
+       } else {
+               html(ctx.cfg.script_name);
+               html("?url=");
+               html_url_arg(ctx.repo->url);
+               if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
+                       html("/");
+               if (page) {
+                       html_url_arg(page);
+                       html("/");
+                       if (path)
+                               html_url_arg(path);
+               }
+               delim = "&amp;";
+       }
+       if (head && strcmp(head, ctx.repo->defbranch)) {
+               html(delim);
+               html("h=");
+               html_url_arg(head);
+               delim = "&amp;";
+       }
+       return fmt("%s", delim);
 }
 
 }
 
+static void reporevlink(const char *page, const char *name, const char *title,
+                       const char *class, const char *head, const char *rev,
+                       const char *path)
+{
+       char *delim;
+
+       delim = repolink(title, class, page, head, path);
+       if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
+               html(delim);
+               html("id=");
+               html_url_arg(rev);
+       }
+       html("'>");
+       html_txt(name);
+       html("</a>");
+}
+
+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(const char *name, const char *title, const char *class,
+                  const char *head, const char *rev)
+{
+       reporevlink("tag", name, title, class, head, rev, NULL);
+}
+
+void cgit_tree_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *rev, const char *path)
+{
+       reporevlink("tree", name, title, class, head, rev, path);
+}
+
+void cgit_plain_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *rev, const char *path)
+{
+       reporevlink("plain", name, title, class, head, rev, path);
+}
+
+void cgit_log_link(const char *name, const char *title, const char *class,
+                  const char *head, const char *rev, const char *path,
+                  int ofs, const char *grep, const char *pattern, int showmsg)
+{
+       char *delim;
+
+       delim = repolink(title, class, "log", head, path);
+       if (rev && strcmp(rev, ctx.qry.head)) {
+               html(delim);
+               html("id=");
+               html_url_arg(rev);
+               delim = "&";
+       }
+       if (grep && pattern) {
+               html(delim);
+               html("qt=");
+               html_url_arg(grep);
+               delim = "&";
+               html(delim);
+               html("q=");
+               html_url_arg(pattern);
+       }
+       if (ofs > 0) {
+               html(delim);
+               html("ofs=");
+               htmlf("%d", ofs);
+               delim = "&";
+       }
+       if (showmsg) {
+               html(delim);
+               html("showmsg=1");
+       }
+       html("'>");
+       html_txt(name);
+       html("</a>");
+}
 
 
-void cgit_print_date(unsigned long secs)
+void cgit_commit_link(char *name, const char *title, const char *class,
+                     const char *head, const char *rev, const char *path,
+                     int toggle_ssdiff)
 {
 {
-       char buf[32];
+       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] = '.';
+               name[ctx.cfg.max_msg_len - 2] = '.';
+               name[ctx.cfg.max_msg_len - 3] = '.';
+       }
+
+       char *delim;
+
+       delim = repolink(title, class, "commit", head, path);
+       if (rev && strcmp(rev, ctx.qry.head)) {
+               html(delim);
+               html("id=");
+               html_url_arg(rev);
+               delim = "&amp;";
+       }
+       if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+               html(delim);
+               html("ss=1");
+               delim = "&amp;";
+       }
+       if (ctx.qry.context > 0 && ctx.qry.context != 3) {
+               html(delim);
+               html("context=");
+               htmlf("%d", ctx.qry.context);
+               delim = "&amp;";
+       }
+       if (ctx.qry.ignorews) {
+               html(delim);
+               html("ignorews=1");
+               delim = "&amp;";
+       }
+       html("'>");
+       html_txt(name);
+       html("</a>");
+}
+
+void cgit_refs_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *rev, const char *path)
+{
+       reporevlink("refs", name, title, class, head, rev, path);
+}
+
+void cgit_snapshot_link(const char *name, const char *title, const char *class,
+                       const char *head, const char *rev,
+                       const char *archivename)
+{
+       reporevlink("snapshot", name, title, class, head, rev, archivename);
+}
+
+void cgit_diff_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *new_rev, const char *old_rev,
+                   const char *path, int toggle_ssdiff)
+{
+       char *delim;
+
+       delim = repolink(title, class, "diff", head, path);
+       if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
+               html(delim);
+               html("id=");
+               html_url_arg(new_rev);
+               delim = "&amp;";
+       }
+       if (old_rev) {
+               html(delim);
+               html("id2=");
+               html_url_arg(old_rev);
+               delim = "&amp;";
+       }
+       if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+               html(delim);
+               html("ss=1");
+               delim = "&amp;";
+       }
+       if (ctx.qry.context > 0 && ctx.qry.context != 3) {
+               html(delim);
+               html("context=");
+               htmlf("%d", ctx.qry.context);
+               delim = "&amp;";
+       }
+       if (ctx.qry.ignorews) {
+               html(delim);
+               html("ignorews=1");
+               delim = "&amp;";
+       }
+       html("'>");
+       html_txt(name);
+       html("</a>");
+}
+
+void cgit_patch_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *rev, const char *path)
+{
+       reporevlink("patch", name, title, class, head, rev, path);
+}
+
+void cgit_stats_link(const char *name, const char *title, const char *class,
+                    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;
+
+       fullrev = sha1_to_hex(obj->sha1);
+       shortrev = xstrdup(fullrev);
+       shortrev[10] = '\0';
+       if (obj->type == OBJ_COMMIT) {
+                cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
+                                ctx.qry.head, fullrev, NULL, 0);
+               return;
+       } else if (obj->type == OBJ_TREE)
+               page = "tree";
+       else if (obj->type == OBJ_TAG)
+               page = "tag";
+       else
+               page = "blob";
+       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, const char *format, int local_time)
+{
+       char buf[64];
        struct tm *time;
 
        struct tm *time;
 
-       time = gmtime(&secs);
-       strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
+       if (!secs)
+               return;
+       if(local_time)
+               time = localtime(&secs);
+       else
+               time = gmtime(&secs);
+       strftime(buf, sizeof(buf)-1, format, time);
        html_txt(buf);
 }
 
        html_txt(buf);
 }
 
-void cgit_print_docstart(char *title, struct cacheitem *item)
+void cgit_print_age(time_t t, time_t max_relative, const char *format)
+{
+       time_t now, secs;
+
+       if (!t)
+               return;
+       time(&now);
+       secs = now - t;
+
+       if (secs > max_relative && max_relative >= 0) {
+               cgit_print_date(t, format, ctx.cfg.local_time);
+               return;
+       }
+
+       if (secs < TM_HOUR * 2) {
+               htmlf("<span class='age-mins'>%.0f min.</span>",
+                     secs * 1.0 / TM_MIN);
+               return;
+       }
+       if (secs < TM_DAY * 2) {
+               htmlf("<span class='age-hours'>%.0f hours</span>",
+                     secs * 1.0 / TM_HOUR);
+               return;
+       }
+       if (secs < TM_WEEK * 2) {
+               htmlf("<span class='age-days'>%.0f days</span>",
+                     secs * 1.0 / TM_DAY);
+               return;
+       }
+       if (secs < TM_MONTH * 2) {
+               htmlf("<span class='age-weeks'>%.0f weeks</span>",
+                     secs * 1.0 / TM_WEEK);
+               return;
+       }
+       if (secs < TM_YEAR * 2) {
+               htmlf("<span class='age-months'>%.0f months</span>",
+                     secs * 1.0 / TM_MONTH);
+               return;
+       }
+       htmlf("<span class='age-years'>%.0f years</span>",
+             secs * 1.0 / TM_YEAR);
+}
+
+void cgit_print_http_headers(struct cgit_context *ctx)
 {
 {
-       html("Content-Type: text/html; charset=utf-8\n");
-       htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
-       htmlf("Expires: %s\n", http_date(item->st.st_mtime +
-                                        ttl_seconds(item->ttl)));
+       if (ctx->env.no_http && !strcmp(ctx->env.no_http, "1"))
+               return;
+
+       if (ctx->page.status)
+               htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
+       if (ctx->page.mimetype && ctx->page.charset)
+               htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
+                     ctx->page.charset);
+       else if (ctx->page.mimetype)
+               htmlf("Content-Type: %s\n", ctx->page.mimetype);
+       if (ctx->page.size)
+               htmlf("Content-Length: %zd\n", ctx->page.size);
+       if (ctx->page.filename)
+               htmlf("Content-Disposition: inline; filename=\"%s\"\n",
+                     ctx->page.filename);
+       htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
+       htmlf("Expires: %s\n", http_date(ctx->page.expires));
+       if (ctx->page.etag)
+               htmlf("ETag: \"%s\"\n", ctx->page.etag);
        html("\n");
        html("\n");
+       if (ctx->env.request_method && !strcmp(ctx->env.request_method, "HEAD"))
+               exit(0);
+}
+
+void cgit_print_docstart(struct cgit_context *ctx)
+{
+       if (ctx->cfg.embedded) {
+               if (ctx->cfg.header)
+                       html_include(ctx->cfg.header);
+               return;
+       }
+
+       char *host = cgit_hosturl();
        html(cgit_doctype);
        html(cgit_doctype);
-       html("<html>\n");
+       html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
        html("<head>\n");
        html("<title>");
        html("<head>\n");
        html("<title>");
-       html_txt(title);
+       html_txt(ctx->page.title);
        html("</title>\n");
        html("</title>\n");
-       htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
+       htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
+       if (ctx->cfg.robots && *ctx->cfg.robots)
+               htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
        html("<link rel='stylesheet' type='text/css' href='");
        html("<link rel='stylesheet' type='text/css' href='");
-       html_attr(cgit_css);
+       html_attr(ctx->cfg.css);
        html("'/>\n");
        html("'/>\n");
+       if (ctx->cfg.favicon) {
+               html("<link rel='shortcut icon' href='");
+               html_attr(ctx->cfg.favicon);
+               html("'/>\n");
+       }
+       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.vpath,
+                                      fmt("h=%s", ctx->qry.head)));
+               html("' type='application/atom+xml'/>\n");
+       }
+       if (ctx->cfg.head_include)
+               html_include(ctx->cfg.head_include);
        html("</head>\n");
        html("<body>\n");
        html("</head>\n");
        html("<body>\n");
+       if (ctx->cfg.header)
+               html_include(ctx->cfg.header);
 }
 
 void cgit_print_docend()
 {
 }
 
 void cgit_print_docend()
 {
-       html("</td></tr></table>");
+       html("</div> <!-- class=content -->\n");
+       if (ctx.cfg.embedded) {
+               html("</div> <!-- id=cgit -->\n");
+               if (ctx.cfg.footer)
+                       html_include(ctx.cfg.footer);
+               return;
+       }
+       if (ctx.cfg.footer)
+               html_include(ctx.cfg.footer);
+       else {
+               htmlf("<div class='footer'>generated  by cgit %s at ",
+                       cgit_version);
+               cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
+               html("</div>\n");
+       }
+       html("</div> <!-- id=cgit -->\n");
        html("</body>\n</html>\n");
 }
 
        html("</body>\n</html>\n");
 }
 
-void cgit_print_pageheader(char *title, int show_search)
-{
-       html("<table id='layout'>");
-       html("<tr><td id='header'>");
-       html(cgit_root_title);
-       html("</td><td id='logo'>");
-       html("<a href='");
-       html_attr(cgit_logo_link);
-       htmlf("'><img src='%s'/></a>", cgit_logo);
-       html("</td></tr>");
-       html("<tr><td id='crumb'>");
-       htmlf("<a href='%s'>root</a>", cgit_rooturl());
-       if (cgit_query_repo) {
-               htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
-               html_txt(cgit_repo->name);
-               htmlf("</a> : %s", title);
-       }
-       html("</td>");
-       html("<td id='search'>");
-       if (show_search) {
-               html("<form method='get' href='");
-               html_attr(cgit_currurl());
-               html("'>");
-               if (!cgit_virtual_root) {
-                       if (cgit_query_repo)
-                               html_hidden("r", cgit_query_repo);
-                       if (cgit_query_page)
-                               html_hidden("p", cgit_query_page);
-               }
-               if (cgit_query_head)
-                       html_hidden("h", cgit_query_head);
-               if (cgit_query_sha1)
-                       html_hidden("id", cgit_query_sha1);
-               if (cgit_query_sha2)
-                       html_hidden("id2", cgit_query_sha2);
-               html("<input type='text' name='q' value='");
-               html_attr(cgit_query_search);
-               html("'/></form>");
-       }
-       html("</td></tr>");
-       html("<tr><td id='content' colspan='2'>");
-}
-
-void cgit_print_snapshot_start(const char *mimetype, const char *filename,
-                              struct cacheitem *item)
-{
-       htmlf("Content-Type: %s\n", mimetype);
-       htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
-       htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
-       htmlf("Expires: %s\n", http_date(item->st.st_mtime +
-                                        ttl_seconds(item->ttl)));
-       html("\n");
+int print_branch_option(const char *refname, const unsigned char *sha1,
+                       int flags, void *cb_data)
+{
+       char *name = (char *)refname;
+       html_option(name, name, ctx.qry.head);
+       return 0;
+}
+
+int print_archive_ref(const char *refname, const unsigned char *sha1,
+                      int flags, void *cb_data)
+{
+       struct tag *tag;
+       struct taginfo *info;
+       struct object *obj;
+       char buf[256], *url;
+       unsigned char fileid[20];
+       int *header = (int *)cb_data;
+
+       if (prefixcmp(refname, "refs/archives"))
+               return 0;
+       strncpy(buf, refname+14, sizeof(buf));
+       obj = parse_object(sha1);
+       if (!obj)
+               return 1;
+       if (obj->type == OBJ_TAG) {
+               tag = lookup_tag(sha1);
+               if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
+                       return 0;
+               hashcpy(fileid, tag->tagged->sha1);
+       } else if (obj->type != OBJ_BLOB) {
+               return 0;
+       } else {
+               hashcpy(fileid, sha1);
+       }
+       if (!*header) {
+               html("<h1>download</h1>\n");
+               *header = 1;
+       }
+       url = cgit_pageurl(ctx.qry.repo, "blob",
+                          fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
+                              buf));
+       html_link_open(url, NULL, "menu");
+       html_txt(strlpart(buf, 20));
+       html_link_close();
+       return 0;
+}
+
+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.vpath)
+                       url = fmt("%s/%s", url, ctx.qry.vpath);
+               html_hidden("url", url);
+       }
+
+       if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
+           strcmp(ctx.qry.head, ctx.repo->defbranch))
+               html_hidden("h", ctx.qry.head);
+
+       if (ctx.qry.sha1)
+               html_hidden("id", ctx.qry.sha1);
+       if (ctx.qry.sha2)
+               html_hidden("id2", ctx.qry.sha2);
+       if (ctx.qry.showmsg)
+               html_hidden("showmsg", "1");
+
+       if (incl_search) {
+               if (ctx.qry.grep)
+                       html_hidden("qt", ctx.qry.grep);
+               if (ctx.qry.search)
+                       html_hidden("q", ctx.qry.search);
+       }
+}
+
+static const char *hc(struct cgit_context *ctx, const char *page)
+{
+       return strcmp(ctx->qry.page, page) ? NULL : "active";
+}
+
+static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
+{
+       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)
+{
+       char *logo = NULL, *logo_link = NULL;
+
+       html("<table id='header'>\n");
+       html("<tr>\n");
+
+       if (ctx->repo && ctx->repo->logo && *ctx->repo->logo)
+               logo = ctx->repo->logo;
+       else
+               logo = ctx->cfg.logo;
+       if (ctx->repo && ctx->repo->logo_link && *ctx->repo->logo_link)
+               logo_link = ctx->repo->logo_link;
+       else
+               logo_link = ctx->cfg.logo_link;
+       if (logo && *logo) {
+               html("<td class='logo' rowspan='2'><a href='");
+               if (logo_link && *logo_link)
+                       html_attr(logo_link);
+               else
+                       html_attr(cgit_rooturl());
+               html("'><img src='");
+               html_attr(logo);
+               html("' alt='cgit logo'/></a></td>\n");
+       }
+
+       html("<td class='main'>");
+       if (ctx->repo) {
+               cgit_index_link("index", NULL, NULL, NULL, 0);
+               html(" : ");
+               cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
+               html("</td><td class='form'>");
+               html("<form method='get' action=''>\n");
+               cgit_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></tr>\n");
+
+       html("<tr><td class='sub'>");
+       if (ctx->repo) {
+               html_txt(ctx->repo->desc);
+               html("</td><td class='sub right'>");
+               html_txt(ctx->repo->owner);
+       } else {
+               if (ctx->cfg.root_desc)
+                       html_txt(ctx->cfg.root_desc);
+               else if (ctx->cfg.index_info)
+                       html_include(ctx->cfg.index_info);
+       }
+       html("</td></tr></table>\n");
+}
+
+void cgit_print_pageheader(struct cgit_context *ctx)
+{
+       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(ctx, "summary"),
+                                 ctx->qry.head);
+               cgit_refs_link("refs", NULL, hc(ctx, "refs"), ctx->qry.head,
+                              ctx->qry.sha1, NULL);
+               cgit_log_link("log", NULL, hc(ctx, "log"), ctx->qry.head,
+                             NULL, ctx->qry.vpath, 0, NULL, NULL,
+                             ctx->qry.showmsg);
+               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(ctx, "stats"),
+                                       ctx->qry.head, ctx->qry.vpath);
+               if (ctx->repo->readme)
+                       reporevlink("about", "about", 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.vpath, NULL));
+               html("'>\n");
+               cgit_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_option("range", "range", ctx->qry.grep);
+               html("</select>\n");
+               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 {
+               site_link(NULL, "index", NULL, hc(ctx, "repolist"), NULL, 0);
+               if (ctx->cfg.root_readme)
+                       site_link("about", "about", NULL, hc(ctx, "about"),
+                                 NULL, 0);
+               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");
+       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)
+{
+       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 *prefix;
+       char *filename;
+       unsigned char sha1[20];
+
+       if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
+           (hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1]))
+               hex++;
+       prefix = xstrdup(fmt("%s-%s", cgit_repobasename(repo), hex));
+       for (f = cgit_snapshot_formats; f->suffix; f++) {
+               if (!(snapshots & f->bit))
+                       continue;
+               filename = fmt("%s%s", prefix, f->suffix);
+               cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
+               html("<br/>");
+       }
 }
 }
Unnamed repository; edit this file 'description' to name the repository.