ui-shared.c

   1 /* ui-shared.c: common web output functions
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "cmd.h"
  11 #include "html.h"
  12
  13 const char cgit_doctype[] =
  14 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
  15 "  \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
  16
  17 static char *http_date(time_t t)
  18 {
  19         static char day[][4] =
  20                 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
  21         static char month[][4] =
  22                 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
  23                  "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
  24         struct tm *tm = gmtime(&t);
  25         return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
  26                    tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
  27                    tm->tm_hour, tm->tm_min, tm->tm_sec);
  28 }
  29
  30 void cgit_print_error(char *msg)
  31 {
  32         html("<div class='error'>");
  33         html_txt(msg);
  34         html("</div>\n");
  35 }
  36
  37 char *cgit_hosturl()
  38 {
  39         char *host, *port;
  40
  41         host = getenv("HTTP_HOST");
  42         if (host) {
  43                 host = xstrdup(host);
  44         } else {
  45                 host = getenv("SERVER_NAME");
  46                 if (!host)
  47                         return NULL;
  48                 port = getenv("SERVER_PORT");
  49                 if (port && atoi(port) != 80)
  50                         host = xstrdup(fmt("%s:%d", host, atoi(port)));
  51                 else
  52                         host = xstrdup(host);
  53         }
  54         return host;
  55 }
  56
  57 char *cgit_rooturl()
  58 {
  59         if (ctx.cfg.virtual_root)
  60                 return fmt("%s/", ctx.cfg.virtual_root);
  61         else
  62                 return ctx.cfg.script_name;
  63 }
  64
  65 char *cgit_repourl(const char *reponame)
  66 {
  67         if (ctx.cfg.virtual_root) {
  68                 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
  69         } else {
  70                 return fmt("?r=%s", reponame);
  71         }
  72 }
  73
  74 char *cgit_fileurl(const char *reponame, const char *pagename,
  75                    const char *filename, const char *query)
  76 {
  77         char *tmp;
  78         char *delim;
  79
  80         if (ctx.cfg.virtual_root) {
  81                 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
  82                           pagename, (filename ? filename:""));
  83                 delim = "?";
  84         } else {
  85                 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
  86                           (filename ? filename : ""));
  87                 delim = "&";
  88         }
  89         if (query)
  90                 tmp = fmt("%s%s%s", tmp, delim, query);
  91         return tmp;
  92 }
  93
  94 char *cgit_pageurl(const char *reponame, const char *pagename,
  95                    const char *query)
  96 {
  97         return cgit_fileurl(reponame,pagename,0,query);
  98 }
  99
 100 const char *cgit_repobasename(const char *reponame)
 101 {
 102         /* I assume we don't need to store more than one repo basename */
 103         static char rvbuf[1024];
 104         int p;
 105         const char *rv;
 106         strncpy(rvbuf,reponame,sizeof(rvbuf));
 107         if(rvbuf[sizeof(rvbuf)-1])
 108                 die("cgit_repobasename: truncated repository name '%s'", reponame);
 109         p = strlen(rvbuf)-1;
 110         /* strip trailing slashes */
 111         while(p && rvbuf[p]=='/') rvbuf[p--]=0;
 112         /* strip trailing .git */
 113         if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
 114                 p -= 3; rvbuf[p--] = 0;
 115         }
 116         /* strip more trailing slashes if any */
 117         while( p && rvbuf[p]=='/') rvbuf[p--]=0;
 118         /* find last slash in the remaining string */
 119         rv = strrchr(rvbuf,'/');
 120         if(rv)
 121                 return ++rv;
 122         return rvbuf;
 123 }
 124
 125 char *cgit_currurl()
 126 {
 127         if (!ctx.cfg.virtual_root)
 128                 return ctx.cfg.script_name;
 129         else if (ctx.qry.page)
 130                 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
 131         else if (ctx.qry.repo)
 132                 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
 133         else
 134                 return fmt("%s/", ctx.cfg.virtual_root);
 135 }
 136
 137 static void site_url(char *page, char *search, int ofs)
 138 {
 139         char *delim = "?";
 140
 141         if (ctx.cfg.virtual_root) {
 142                 html_attr(ctx.cfg.virtual_root);
 143                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 144                         html("/");
 145         } else
 146                 html(ctx.cfg.script_name);
 147
 148         if (page) {
 149                 htmlf("?p=%s", page);
 150                 delim = "&";
 151         }
 152         if (search) {
 153                 html(delim);
 154                 html("q=");
 155                 html_attr(search);
 156                 delim = "&";
 157         }
 158         if (ofs) {
 159                 html(delim);
 160                 htmlf("ofs=%d", ofs);
 161         }
 162 }
 163
 164 static void site_link(char *page, char *name, char *title, char *class,
 165                       char *search, int ofs)
 166 {
 167         html("<a");
 168         if (title) {
 169                 html(" title='");
 170                 html_attr(title);
 171                 html("'");
 172         }
 173         if (class) {
 174                 html(" class='");
 175                 html_attr(class);
 176                 html("'");
 177         }
 178         html(" href='");
 179         site_url(page, search, ofs);
 180         html("'>");
 181         html_txt(name);
 182         html("</a>");
 183 }
 184
 185 void cgit_index_link(char *name, char *title, char *class, char *pattern,
 186                      int ofs)
 187 {
 188         site_link(NULL, name, title, class, pattern, ofs);
 189 }
 190
 191 static char *repolink(char *title, char *class, char *page, char *head,
 192                       char *path)
 193 {
 194         char *delim = "?";
 195
 196         html("<a");
 197         if (title) {
 198                 html(" title='");
 199                 html_attr(title);
 200                 html("'");
 201         }
 202         if (class) {
 203                 html(" class='");
 204                 html_attr(class);
 205                 html("'");
 206         }
 207         html(" href='");
 208         if (ctx.cfg.virtual_root) {
 209                 html_url_path(ctx.cfg.virtual_root);
 210                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 211                         html("/");
 212                 html_url_path(ctx.repo->url);
 213                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 214                         html("/");
 215                 if (page) {
 216                         html_url_path(page);
 217                         html("/");
 218                         if (path)
 219                                 html_url_path(path);
 220                 }
 221         } else {
 222                 html(ctx.cfg.script_name);
 223                 html("?url=");
 224                 html_url_arg(ctx.repo->url);
 225                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 226                         html("/");
 227                 if (page) {
 228                         html_url_arg(page);
 229                         html("/");
 230                         if (path)
 231                                 html_url_arg(path);
 232                 }
 233                 delim = "&amp;";
 234         }
 235         if (head && strcmp(head, ctx.repo->defbranch)) {
 236                 html(delim);
 237                 html("h=");
 238                 html_url_arg(head);
 239                 delim = "&amp;";
 240         }
 241         return fmt("%s", delim);
 242 }
 243
 244 static void reporevlink(char *page, char *name, char *title, char *class,
 245                         char *head, char *rev, char *path)
 246 {
 247         char *delim;
 248
 249         delim = repolink(title, class, page, head, path);
 250         if (rev && strcmp(rev, ctx.qry.head)) {
 251                 html(delim);
 252                 html("id=");
 253                 html_url_arg(rev);
 254         }
 255         html("'>");
 256         html_txt(name);
 257         html("</a>");
 258 }
 259
 260 void cgit_summary_link(char *name, char *title, char *class, char *head)
 261 {
 262         reporevlink(NULL, name, title, class, head, NULL, NULL);
 263 }
 264
 265 void cgit_tag_link(char *name, char *title, char *class, char *head,
 266                    char *rev)
 267 {
 268         reporevlink("tag", name, title, class, head, rev, NULL);
 269 }
 270
 271 void cgit_tree_link(char *name, char *title, char *class, char *head,
 272                     char *rev, char *path)
 273 {
 274         reporevlink("tree", name, title, class, head, rev, path);
 275 }
 276
 277 void cgit_plain_link(char *name, char *title, char *class, char *head,
 278                      char *rev, char *path)
 279 {
 280         reporevlink("plain", name, title, class, head, rev, path);
 281 }
 282
 283 void cgit_log_link(char *name, char *title, char *class, char *head,
 284                    char *rev, char *path, int ofs, char *grep, char *pattern,
 285                    int showmsg)
 286 {
 287         char *delim;
 288
 289         delim = repolink(title, class, "log", head, path);
 290         if (rev && strcmp(rev, ctx.qry.head)) {
 291                 html(delim);
 292                 html("id=");
 293                 html_url_arg(rev);
 294                 delim = "&";
 295         }
 296         if (grep && pattern) {
 297                 html(delim);
 298                 html("qt=");
 299                 html_url_arg(grep);
 300                 delim = "&";
 301                 html(delim);
 302                 html("q=");
 303                 html_url_arg(pattern);
 304         }
 305         if (ofs > 0) {
 306                 html(delim);
 307                 html("ofs=");
 308                 htmlf("%d", ofs);
 309                 delim = "&";
 310         }
 311         if (showmsg) {
 312                 html(delim);
 313                 html("showmsg=1");
 314         }
 315         html("'>");
 316         html_txt(name);
 317         html("</a>");
 318 }
 319
 320 void cgit_commit_link(char *name, char *title, char *class, char *head,
 321                       char *rev)
 322 {
 323         if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
 324                 name[ctx.cfg.max_msg_len] = '\0';
 325                 name[ctx.cfg.max_msg_len - 1] = '.';
 326                 name[ctx.cfg.max_msg_len - 2] = '.';
 327                 name[ctx.cfg.max_msg_len - 3] = '.';
 328         }
 329         reporevlink("commit", name, title, class, head, rev, NULL);
 330 }
 331
 332 void cgit_refs_link(char *name, char *title, char *class, char *head,
 333                     char *rev, char *path)
 334 {
 335         reporevlink("refs", name, title, class, head, rev, path);
 336 }
 337
 338 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 339                         char *rev, char *archivename)
 340 {
 341         reporevlink("snapshot", name, title, class, head, rev, archivename);
 342 }
 343
 344 void cgit_diff_link(char *name, char *title, char *class, char *head,
 345                     char *new_rev, char *old_rev, char *path)
 346 {
 347         char *delim;
 348
 349         delim = repolink(title, class, "diff", head, path);
 350         if (new_rev && strcmp(new_rev, ctx.qry.head)) {
 351                 html(delim);
 352                 html("id=");
 353                 html_url_arg(new_rev);
 354                 delim = "&amp;";
 355         }
 356         if (old_rev) {
 357                 html(delim);
 358                 html("id2=");
 359                 html_url_arg(old_rev);
 360         }
 361         html("'>");
 362         html_txt(name);
 363         html("</a>");
 364 }
 365
 366 void cgit_patch_link(char *name, char *title, char *class, char *head,
 367                      char *rev)
 368 {
 369         reporevlink("patch", name, title, class, head, rev, NULL);
 370 }
 371
 372 void cgit_stats_link(char *name, char *title, char *class, char *head,
 373                      char *path)
 374 {
 375         reporevlink("stats", name, title, class, head, NULL, path);
 376 }
 377
 378 void cgit_object_link(struct object *obj)
 379 {
 380         char *page, *shortrev, *fullrev, *name;
 381
 382         fullrev = sha1_to_hex(obj->sha1);
 383         shortrev = xstrdup(fullrev);
 384         shortrev[10] = '\0';
 385         if (obj->type == OBJ_COMMIT) {
 386                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
 387                                  ctx.qry.head, fullrev);
 388                 return;
 389         } else if (obj->type == OBJ_TREE)
 390                 page = "tree";
 391         else if (obj->type == OBJ_TAG)
 392                 page = "tag";
 393         else
 394                 page = "blob";
 395         name = fmt("%s %s...", typename(obj->type), shortrev);
 396         reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 397 }
 398
 399 void cgit_print_date(time_t secs, char *format, int local_time)
 400 {
 401         char buf[64];
 402         struct tm *time;
 403
 404         if (!secs)
 405                 return;
 406         if(local_time)
 407                 time = localtime(&secs);
 408         else
 409                 time = gmtime(&secs);
 410         strftime(buf, sizeof(buf)-1, format, time);
 411         html_txt(buf);
 412 }
 413
 414 void cgit_print_age(time_t t, time_t max_relative, char *format)
 415 {
 416         time_t now, secs;
 417
 418         if (!t)
 419                 return;
 420         time(&now);
 421         secs = now - t;
 422
 423         if (secs > max_relative && max_relative >= 0) {
 424                 cgit_print_date(t, format, ctx.cfg.local_time);
 425                 return;
 426         }
 427
 428         if (secs < TM_HOUR * 2) {
 429                 htmlf("<span class='age-mins'>%.0f min.</span>",
 430                       secs * 1.0 / TM_MIN);
 431                 return;
 432         }
 433         if (secs < TM_DAY * 2) {
 434                 htmlf("<span class='age-hours'>%.0f hours</span>",
 435                       secs * 1.0 / TM_HOUR);
 436                 return;
 437         }
 438         if (secs < TM_WEEK * 2) {
 439                 htmlf("<span class='age-days'>%.0f days</span>",
 440                       secs * 1.0 / TM_DAY);
 441                 return;
 442         }
 443         if (secs < TM_MONTH * 2) {
 444                 htmlf("<span class='age-weeks'>%.0f weeks</span>",
 445                       secs * 1.0 / TM_WEEK);
 446                 return;
 447         }
 448         if (secs < TM_YEAR * 2) {
 449                 htmlf("<span class='age-months'>%.0f months</span>",
 450                       secs * 1.0 / TM_MONTH);
 451                 return;
 452         }
 453         htmlf("<span class='age-years'>%.0f years</span>",
 454               secs * 1.0 / TM_YEAR);
 455 }
 456
 457 void cgit_print_http_headers(struct cgit_context *ctx)
 458 {
 459         if (ctx->cfg.embedded)
 460                 return;
 461
 462         if (ctx->page.mimetype && ctx->page.charset)
 463                 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
 464                       ctx->page.charset);
 465         else if (ctx->page.mimetype)
 466                 htmlf("Content-Type: %s\n", ctx->page.mimetype);
 467         if (ctx->page.size)
 468                 htmlf("Content-Length: %ld\n", ctx->page.size);
 469         if (ctx->page.filename)
 470                 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
 471                       ctx->page.filename);
 472         htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
 473         htmlf("Expires: %s\n", http_date(ctx->page.expires));
 474         html("\n");
 475 }
 476
 477 void cgit_print_docstart(struct cgit_context *ctx)
 478 {
 479         if (ctx->cfg.embedded)
 480                 return;
 481
 482         char *host = cgit_hosturl();
 483         html(cgit_doctype);
 484         html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
 485         html("<head>\n");
 486         html("<title>");
 487         html_txt(ctx->page.title);
 488         html("</title>\n");
 489         htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
 490         if (ctx->cfg.robots && *ctx->cfg.robots)
 491                 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
 492         html("<link rel='stylesheet' type='text/css' href='");
 493         html_attr(ctx->cfg.css);
 494         html("'/>\n");
 495         if (ctx->cfg.favicon) {
 496                 html("<link rel='shortcut icon' href='");
 497                 html_attr(ctx->cfg.favicon);
 498                 html("'/>\n");
 499         }
 500         if (host && ctx->repo) {
 501                 html("<link rel='alternate' title='Atom feed' href='http://");
 502                 html_attr(cgit_hosturl());
 503                 html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
 504                                        fmt("h=%s", ctx->qry.head)));
 505                 html("' type='application/atom+xml'/>");
 506         }
 507         html("</head>\n");
 508         html("<body>\n");
 509         if (ctx->cfg.header)
 510                 html_include(ctx->cfg.header);
 511 }
 512
 513 void cgit_print_docend()
 514 {
 515         html("</div>");
 516         if (ctx.cfg.footer)
 517                 html_include(ctx.cfg.footer);
 518         else {
 519                 htmlf("<div class='footer'>generated  by cgit %s at ",
 520                         cgit_version);
 521                 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
 522                 html("</div>\n");
 523         }
 524         html("</div>");
 525         if (ctx.cfg.embedded)
 526                 return;
 527         html("</body>\n</html>\n");
 528 }
 529
 530 int print_branch_option(const char *refname, const unsigned char *sha1,
 531                         int flags, void *cb_data)
 532 {
 533         char *name = (char *)refname;
 534         html_option(name, name, ctx.qry.head);
 535         return 0;
 536 }
 537
 538 int print_archive_ref(const char *refname, const unsigned char *sha1,
 539                        int flags, void *cb_data)
 540 {
 541         struct tag *tag;
 542         struct taginfo *info;
 543         struct object *obj;
 544         char buf[256], *url;
 545         unsigned char fileid[20];
 546         int *header = (int *)cb_data;
 547
 548         if (prefixcmp(refname, "refs/archives"))
 549                 return 0;
 550         strncpy(buf, refname+14, sizeof(buf));
 551         obj = parse_object(sha1);
 552         if (!obj)
 553                 return 1;
 554         if (obj->type == OBJ_TAG) {
 555                 tag = lookup_tag(sha1);
 556                 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
 557                         return 0;
 558                 hashcpy(fileid, tag->tagged->sha1);
 559         } else if (obj->type != OBJ_BLOB) {
 560                 return 0;
 561         } else {
 562                 hashcpy(fileid, sha1);
 563         }
 564         if (!*header) {
 565                 html("<h1>download</h1>\n");
 566                 *header = 1;
 567         }
 568         url = cgit_pageurl(ctx.qry.repo, "blob",
 569                            fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
 570                                buf));
 571         html_link_open(url, NULL, "menu");
 572         html_txt(strlpart(buf, 20));
 573         html_link_close();
 574         return 0;
 575 }
 576
 577 void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
 578 {
 579         char *url;
 580
 581         if (!ctx.cfg.virtual_root) {
 582                 url = fmt("%s/%s", ctx.qry.repo, page);
 583                 if (ctx.qry.path)
 584                         url = fmt("%s/%s", url, ctx.qry.path);
 585                 html_hidden("url", url);
 586         }
 587
 588         if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
 589             strcmp(ctx.qry.head, ctx.repo->defbranch))
 590                 html_hidden("h", ctx.qry.head);
 591
 592         if (ctx.qry.sha1)
 593                 html_hidden("id", ctx.qry.sha1);
 594         if (ctx.qry.sha2)
 595                 html_hidden("id2", ctx.qry.sha2);
 596         if (ctx.qry.showmsg)
 597                 html_hidden("showmsg", "1");
 598
 599         if (incl_search) {
 600                 if (ctx.qry.grep)
 601                         html_hidden("qt", ctx.qry.grep);
 602                 if (ctx.qry.search)
 603                         html_hidden("q", ctx.qry.search);
 604         }
 605 }
 606
 607 const char *fallback_cmd = "repolist";
 608
 609 char *hc(struct cgit_cmd *cmd, const char *page)
 610 {
 611         return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
 612 }
 613
 614 void cgit_print_pageheader(struct cgit_context *ctx)
 615 {
 616         struct cgit_cmd *cmd = cgit_get_cmd(ctx);
 617
 618         if (!cmd && ctx->repo)
 619                 fallback_cmd = "summary";
 620
 621         html("<div id='cgit'>");
 622         html("<table id='header'>\n");
 623         html("<tr>\n");
 624         html("<td class='logo' rowspan='2'><a href='");
 625         if (ctx->cfg.logo_link)
 626                 html_attr(ctx->cfg.logo_link);
 627         else
 628                 html_attr(cgit_rooturl());
 629         html("'><img src='");
 630         html_attr(ctx->cfg.logo);
 631         html("' alt='cgit logo'/></a></td>\n");
 632
 633         html("<td class='main'>");
 634         if (ctx->repo) {
 635                 cgit_index_link("index", NULL, NULL, NULL, 0);
 636                 html(" : ");
 637                 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
 638                 html("</td><td class='form'>");
 639                 html("<form method='get' action=''>\n");
 640                 cgit_add_hidden_formfields(0, 1, ctx->qry.page);
 641                 html("<select name='h' onchange='this.form.submit();'>\n");
 642                 for_each_branch_ref(print_branch_option, ctx->qry.head);
 643                 html("</select> ");
 644                 html("<input type='submit' name='' value='switch'/>");
 645                 html("</form>");
 646         } else
 647                 html_txt(ctx->cfg.root_title);
 648         html("</td></tr>\n");
 649
 650         html("<tr><td class='sub'>");
 651         if (ctx->repo) {
 652                 html_txt(ctx->repo->desc);
 653                 html("</td><td class='sub right'>");
 654                 html_txt(ctx->repo->owner);
 655         } else {
 656                 if (ctx->cfg.root_desc)
 657                         html_txt(ctx->cfg.root_desc);
 658                 else if (ctx->cfg.index_info)
 659                         html_include(ctx->cfg.index_info);
 660         }
 661         html("</td></tr></table>\n");
 662
 663         html("<table class='tabs'><tr><td>\n");
 664         if (ctx->repo) {
 665                 cgit_summary_link("summary", NULL, hc(cmd, "summary"),
 666                                   ctx->qry.head);
 667                 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
 668                                ctx->qry.sha1, NULL);
 669                 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
 670                               NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
 671                 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
 672                                ctx->qry.sha1, NULL);
 673                 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
 674                                  ctx->qry.head, ctx->qry.sha1);
 675                 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
 676                                ctx->qry.sha1, ctx->qry.sha2, NULL);
 677                 if (ctx->repo->max_stats)
 678                         cgit_stats_link("stats", NULL, hc(cmd, "stats"),
 679                                         ctx->qry.head, NULL);
 680                 if (ctx->repo->readme)
 681                         reporevlink("about", "about", NULL,
 682                                     hc(cmd, "about"), ctx->qry.head, NULL,
 683                                     NULL);
 684                 html("</td><td class='form'>");
 685                 html("<form class='right' method='get' action='");
 686                 if (ctx->cfg.virtual_root)
 687                         html_url_path(cgit_fileurl(ctx->qry.repo, "log",
 688                                                    ctx->qry.path, NULL));
 689                 html("'>\n");
 690                 cgit_add_hidden_formfields(1, 0, "log");
 691                 html("<select name='qt'>\n");
 692                 html_option("grep", "log msg", ctx->qry.grep);
 693                 html_option("author", "author", ctx->qry.grep);
 694                 html_option("committer", "committer", ctx->qry.grep);
 695                 html("</select>\n");
 696                 html("<input class='txt' type='text' size='10' name='q' value='");
 697                 html_attr(ctx->qry.search);
 698                 html("'/>\n");
 699                 html("<input type='submit' value='search'/>\n");
 700                 html("</form>\n");
 701         } else {
 702                 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
 703                 if (ctx->cfg.root_readme)
 704                         site_link("about", "about", NULL, hc(cmd, "about"),
 705                                   NULL, 0);
 706                 html("</td><td class='form'>");
 707                 html("<form method='get' action='");
 708                 html_attr(cgit_rooturl());
 709                 html("'>\n");
 710                 html("<input type='text' name='q' size='10' value='");
 711                 html_attr(ctx->qry.search);
 712                 html("'/>\n");
 713                 html("<input type='submit' value='search'/>\n");
 714                 html("</form>");
 715         }
 716         html("</td></tr></table>\n");
 717         html("<div class='content'>");
 718 }
 719
 720 void cgit_print_filemode(unsigned short mode)
 721 {
 722         if (S_ISDIR(mode))
 723                 html("d");
 724         else if (S_ISLNK(mode))
 725                 html("l");
 726         else if (S_ISGITLINK(mode))
 727                 html("m");
 728         else
 729                 html("-");
 730         html_fileperm(mode >> 6);
 731         html_fileperm(mode >> 3);
 732         html_fileperm(mode);
 733 }
 734
 735 void cgit_print_snapshot_links(const char *repo, const char *head,
 736                                const char *hex, int snapshots)
 737 {
 738         const struct cgit_snapshot_format* f;
 739         char *filename;
 740
 741         for (f = cgit_snapshot_formats; f->suffix; f++) {
 742                 if (!(snapshots & f->bit))
 743                         continue;
 744                 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
 745                                f->suffix);
 746                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 747                 html("<br/>");
 748         }
 749 }