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_httpscheme()
  38 {
  39         char *https;
  40
  41         https = getenv("HTTPS");
  42         if (https != NULL && strcmp(https, "on") == 0)
  43                 return "https://";
  44         else
  45                 return "http://";
  46 }
  47
  48 char *cgit_hosturl()
  49 {
  50         char *host, *port;
  51
  52         host = getenv("HTTP_HOST");
  53         if (host) {
  54                 host = xstrdup(host);
  55         } else {
  56                 host = getenv("SERVER_NAME");
  57                 if (!host)
  58                         return NULL;
  59                 port = getenv("SERVER_PORT");
  60                 if (port && atoi(port) != 80)
  61                         host = xstrdup(fmt("%s:%d", host, atoi(port)));
  62                 else
  63                         host = xstrdup(host);
  64         }
  65         return host;
  66 }
  67
  68 char *cgit_rooturl()
  69 {
  70         if (ctx.cfg.virtual_root)
  71                 return fmt("%s/", ctx.cfg.virtual_root);
  72         else
  73                 return ctx.cfg.script_name;
  74 }
  75
  76 char *cgit_repourl(const char *reponame)
  77 {
  78         if (ctx.cfg.virtual_root) {
  79                 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
  80         } else {
  81                 return fmt("?r=%s", reponame);
  82         }
  83 }
  84
  85 char *cgit_fileurl(const char *reponame, const char *pagename,
  86                    const char *filename, const char *query)
  87 {
  88         char *tmp;
  89         char *delim;
  90
  91         if (ctx.cfg.virtual_root) {
  92                 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
  93                           pagename, (filename ? filename:""));
  94                 delim = "?";
  95         } else {
  96                 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
  97                           (filename ? filename : ""));
  98                 delim = "&";
  99         }
 100         if (query)
 101                 tmp = fmt("%s%s%s", tmp, delim, query);
 102         return tmp;
 103 }
 104
 105 char *cgit_pageurl(const char *reponame, const char *pagename,
 106                    const char *query)
 107 {
 108         return cgit_fileurl(reponame,pagename,0,query);
 109 }
 110
 111 const char *cgit_repobasename(const char *reponame)
 112 {
 113         /* I assume we don't need to store more than one repo basename */
 114         static char rvbuf[1024];
 115         int p;
 116         const char *rv;
 117         strncpy(rvbuf,reponame,sizeof(rvbuf));
 118         if(rvbuf[sizeof(rvbuf)-1])
 119                 die("cgit_repobasename: truncated repository name '%s'", reponame);
 120         p = strlen(rvbuf)-1;
 121         /* strip trailing slashes */
 122         while(p && rvbuf[p]=='/') rvbuf[p--]=0;
 123         /* strip trailing .git */
 124         if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
 125                 p -= 3; rvbuf[p--] = 0;
 126         }
 127         /* strip more trailing slashes if any */
 128         while( p && rvbuf[p]=='/') rvbuf[p--]=0;
 129         /* find last slash in the remaining string */
 130         rv = strrchr(rvbuf,'/');
 131         if(rv)
 132                 return ++rv;
 133         return rvbuf;
 134 }
 135
 136 char *cgit_currurl()
 137 {
 138         if (!ctx.cfg.virtual_root)
 139                 return ctx.cfg.script_name;
 140         else if (ctx.qry.page)
 141                 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
 142         else if (ctx.qry.repo)
 143                 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
 144         else
 145                 return fmt("%s/", ctx.cfg.virtual_root);
 146 }
 147
 148 static void site_url(char *page, char *search, int ofs)
 149 {
 150         char *delim = "?";
 151
 152         if (ctx.cfg.virtual_root) {
 153                 html_attr(ctx.cfg.virtual_root);
 154                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 155                         html("/");
 156         } else
 157                 html(ctx.cfg.script_name);
 158
 159         if (page) {
 160                 htmlf("?p=%s", page);
 161                 delim = "&";
 162         }
 163         if (search) {
 164                 html(delim);
 165                 html("q=");
 166                 html_attr(search);
 167                 delim = "&";
 168         }
 169         if (ofs) {
 170                 html(delim);
 171                 htmlf("ofs=%d", ofs);
 172         }
 173 }
 174
 175 static void site_link(char *page, char *name, char *title, char *class,
 176                       char *search, int ofs)
 177 {
 178         html("<a");
 179         if (title) {
 180                 html(" title='");
 181                 html_attr(title);
 182                 html("'");
 183         }
 184         if (class) {
 185                 html(" class='");
 186                 html_attr(class);
 187                 html("'");
 188         }
 189         html(" href='");
 190         site_url(page, search, ofs);
 191         html("'>");
 192         html_txt(name);
 193         html("</a>");
 194 }
 195
 196 void cgit_index_link(char *name, char *title, char *class, char *pattern,
 197                      int ofs)
 198 {
 199         site_link(NULL, name, title, class, pattern, ofs);
 200 }
 201
 202 static char *repolink(char *title, char *class, char *page, char *head,
 203                       char *path)
 204 {
 205         char *delim = "?";
 206
 207         html("<a");
 208         if (title) {
 209                 html(" title='");
 210                 html_attr(title);
 211                 html("'");
 212         }
 213         if (class) {
 214                 html(" class='");
 215                 html_attr(class);
 216                 html("'");
 217         }
 218         html(" href='");
 219         if (ctx.cfg.virtual_root) {
 220                 html_url_path(ctx.cfg.virtual_root);
 221                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 222                         html("/");
 223                 html_url_path(ctx.repo->url);
 224                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 225                         html("/");
 226                 if (page) {
 227                         html_url_path(page);
 228                         html("/");
 229                         if (path)
 230                                 html_url_path(path);
 231                 }
 232         } else {
 233                 html(ctx.cfg.script_name);
 234                 html("?url=");
 235                 html_url_arg(ctx.repo->url);
 236                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 237                         html("/");
 238                 if (page) {
 239                         html_url_arg(page);
 240                         html("/");
 241                         if (path)
 242                                 html_url_arg(path);
 243                 }
 244                 delim = "&amp;";
 245         }
 246         if (head && strcmp(head, ctx.repo->defbranch)) {
 247                 html(delim);
 248                 html("h=");
 249                 html_url_arg(head);
 250                 delim = "&amp;";
 251         }
 252         return fmt("%s", delim);
 253 }
 254
 255 static void reporevlink(char *page, char *name, char *title, char *class,
 256                         char *head, char *rev, char *path)
 257 {
 258         char *delim;
 259
 260         delim = repolink(title, class, page, head, path);
 261         if (rev && strcmp(rev, ctx.qry.head)) {
 262                 html(delim);
 263                 html("id=");
 264                 html_url_arg(rev);
 265         }
 266         html("'>");
 267         html_txt(name);
 268         html("</a>");
 269 }
 270
 271 void cgit_summary_link(char *name, char *title, char *class, char *head)
 272 {
 273         reporevlink(NULL, name, title, class, head, NULL, NULL);
 274 }
 275
 276 void cgit_tag_link(char *name, char *title, char *class, char *head,
 277                    char *rev)
 278 {
 279         reporevlink("tag", name, title, class, head, rev, NULL);
 280 }
 281
 282 void cgit_tree_link(char *name, char *title, char *class, char *head,
 283                     char *rev, char *path)
 284 {
 285         reporevlink("tree", name, title, class, head, rev, path);
 286 }
 287
 288 void cgit_plain_link(char *name, char *title, char *class, char *head,
 289                      char *rev, char *path)
 290 {
 291         reporevlink("plain", name, title, class, head, rev, path);
 292 }
 293
 294 void cgit_log_link(char *name, char *title, char *class, char *head,
 295                    char *rev, char *path, int ofs, char *grep, char *pattern,
 296                    int showmsg)
 297 {
 298         char *delim;
 299
 300         delim = repolink(title, class, "log", head, path);
 301         if (rev && strcmp(rev, ctx.qry.head)) {
 302                 html(delim);
 303                 html("id=");
 304                 html_url_arg(rev);
 305                 delim = "&";
 306         }
 307         if (grep && pattern) {
 308                 html(delim);
 309                 html("qt=");
 310                 html_url_arg(grep);
 311                 delim = "&";
 312                 html(delim);
 313                 html("q=");
 314                 html_url_arg(pattern);
 315         }
 316         if (ofs > 0) {
 317                 html(delim);
 318                 html("ofs=");
 319                 htmlf("%d", ofs);
 320                 delim = "&";
 321         }
 322         if (showmsg) {
 323                 html(delim);
 324                 html("showmsg=1");
 325         }
 326         html("'>");
 327         html_txt(name);
 328         html("</a>");
 329 }
 330
 331 void cgit_commit_link(char *name, char *title, char *class, char *head,
 332                       char *rev)
 333 {
 334         if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
 335                 name[ctx.cfg.max_msg_len] = '\0';
 336                 name[ctx.cfg.max_msg_len - 1] = '.';
 337                 name[ctx.cfg.max_msg_len - 2] = '.';
 338                 name[ctx.cfg.max_msg_len - 3] = '.';
 339         }
 340         reporevlink("commit", name, title, class, head, rev, NULL);
 341 }
 342
 343 void cgit_refs_link(char *name, char *title, char *class, char *head,
 344                     char *rev, char *path)
 345 {
 346         reporevlink("refs", name, title, class, head, rev, path);
 347 }
 348
 349 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 350                         char *rev, char *archivename)
 351 {
 352         reporevlink("snapshot", name, title, class, head, rev, archivename);
 353 }
 354
 355 void cgit_diff_link(char *name, char *title, char *class, char *head,
 356                     char *new_rev, char *old_rev, char *path)
 357 {
 358         char *delim;
 359
 360         delim = repolink(title, class, "diff", head, path);
 361         if (new_rev && strcmp(new_rev, ctx.qry.head)) {
 362                 html(delim);
 363                 html("id=");
 364                 html_url_arg(new_rev);
 365                 delim = "&amp;";
 366         }
 367         if (old_rev) {
 368                 html(delim);
 369                 html("id2=");
 370                 html_url_arg(old_rev);
 371         }
 372         html("'>");
 373         html_txt(name);
 374         html("</a>");
 375 }
 376
 377 void cgit_patch_link(char *name, char *title, char *class, char *head,
 378                      char *rev)
 379 {
 380         reporevlink("patch", name, title, class, head, rev, NULL);
 381 }
 382
 383 void cgit_stats_link(char *name, char *title, char *class, char *head,
 384                      char *path)
 385 {
 386         reporevlink("stats", name, title, class, head, NULL, path);
 387 }
 388
 389 void cgit_object_link(struct object *obj)
 390 {
 391         char *page, *shortrev, *fullrev, *name;
 392
 393         fullrev = sha1_to_hex(obj->sha1);
 394         shortrev = xstrdup(fullrev);
 395         shortrev[10] = '\0';
 396         if (obj->type == OBJ_COMMIT) {
 397                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
 398                                  ctx.qry.head, fullrev);
 399                 return;
 400         } else if (obj->type == OBJ_TREE)
 401                 page = "tree";
 402         else if (obj->type == OBJ_TAG)
 403                 page = "tag";
 404         else
 405                 page = "blob";
 406         name = fmt("%s %s...", typename(obj->type), shortrev);
 407         reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 408 }
 409
 410 void cgit_print_date(time_t secs, char *format, int local_time)
 411 {
 412         char buf[64];
 413         struct tm *time;
 414
 415         if (!secs)
 416                 return;
 417         if(local_time)
 418                 time = localtime(&secs);
 419         else
 420                 time = gmtime(&secs);
 421         strftime(buf, sizeof(buf)-1, format, time);
 422         html_txt(buf);
 423 }
 424
 425 void cgit_print_age(time_t t, time_t max_relative, char *format)
 426 {
 427         time_t now, secs;
 428
 429         if (!t)
 430                 return;
 431         time(&now);
 432         secs = now - t;
 433
 434         if (secs > max_relative && max_relative >= 0) {
 435                 cgit_print_date(t, format, ctx.cfg.local_time);
 436                 return;
 437         }
 438
 439         if (secs < TM_HOUR * 2) {
 440                 htmlf("<span class='age-mins'>%.0f min.</span>",
 441                       secs * 1.0 / TM_MIN);
 442                 return;
 443         }
 444         if (secs < TM_DAY * 2) {
 445                 htmlf("<span class='age-hours'>%.0f hours</span>",
 446                       secs * 1.0 / TM_HOUR);
 447                 return;
 448         }
 449         if (secs < TM_WEEK * 2) {
 450                 htmlf("<span class='age-days'>%.0f days</span>",
 451                       secs * 1.0 / TM_DAY);
 452                 return;
 453         }
 454         if (secs < TM_MONTH * 2) {
 455                 htmlf("<span class='age-weeks'>%.0f weeks</span>",
 456                       secs * 1.0 / TM_WEEK);
 457                 return;
 458         }
 459         if (secs < TM_YEAR * 2) {
 460                 htmlf("<span class='age-months'>%.0f months</span>",
 461                       secs * 1.0 / TM_MONTH);
 462                 return;
 463         }
 464         htmlf("<span class='age-years'>%.0f years</span>",
 465               secs * 1.0 / TM_YEAR);
 466 }
 467
 468 void cgit_print_http_headers(struct cgit_context *ctx)
 469 {
 470         const char *method = getenv("REQUEST_METHOD");
 471
 472         if (ctx->cfg.embedded)
 473                 return;
 474
 475         if (ctx->page.status)
 476                 htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
 477         if (ctx->page.mimetype && ctx->page.charset)
 478                 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
 479                       ctx->page.charset);
 480         else if (ctx->page.mimetype)
 481                 htmlf("Content-Type: %s\n", ctx->page.mimetype);
 482         if (ctx->page.size)
 483                 htmlf("Content-Length: %ld\n", ctx->page.size);
 484         if (ctx->page.filename)
 485                 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
 486                       ctx->page.filename);
 487         htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
 488         htmlf("Expires: %s\n", http_date(ctx->page.expires));
 489         if (ctx->page.etag)
 490                 htmlf("ETag: \"%s\"\n", ctx->page.etag);
 491         html("\n");
 492         if (method && !strcmp(method, "HEAD"))
 493                 exit(0);
 494 }
 495
 496 void cgit_print_docstart(struct cgit_context *ctx)
 497 {
 498         if (ctx->cfg.embedded)
 499                 return;
 500
 501         char *host = cgit_hosturl();
 502         html(cgit_doctype);
 503         html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
 504         html("<head>\n");
 505         html("<title>");
 506         html_txt(ctx->page.title);
 507         html("</title>\n");
 508         htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
 509         if (ctx->cfg.robots && *ctx->cfg.robots)
 510                 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
 511         html("<link rel='stylesheet' type='text/css' href='");
 512         html_attr(ctx->cfg.css);
 513         html("'/>\n");
 514         if (ctx->cfg.favicon) {
 515                 html("<link rel='shortcut icon' href='");
 516                 html_attr(ctx->cfg.favicon);
 517                 html("'/>\n");
 518         }
 519         if (host && ctx->repo) {
 520                 html("<link rel='alternate' title='Atom feed' href='");
 521                 html(cgit_httpscheme());
 522                 html_attr(cgit_hosturl());
 523                 html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
 524                                        fmt("h=%s", ctx->qry.head)));
 525                 html("' type='application/atom+xml'/>\n");
 526         }
 527         if (ctx->cfg.head_include)
 528                 html_include(ctx->cfg.head_include);
 529         html("</head>\n");
 530         html("<body>\n");
 531         if (ctx->cfg.header)
 532                 html_include(ctx->cfg.header);
 533 }
 534
 535 void cgit_print_docend()
 536 {
 537         html("</div>");
 538         if (ctx.cfg.footer)
 539                 html_include(ctx.cfg.footer);
 540         else {
 541                 htmlf("<div class='footer'>generated  by cgit %s at ",
 542                         cgit_version);
 543                 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
 544                 html("</div>\n");
 545         }
 546         html("</div>");
 547         if (ctx.cfg.embedded)
 548                 return;
 549         html("</body>\n</html>\n");
 550 }
 551
 552 int print_branch_option(const char *refname, const unsigned char *sha1,
 553                         int flags, void *cb_data)
 554 {
 555         char *name = (char *)refname;
 556         html_option(name, name, ctx.qry.head);
 557         return 0;
 558 }
 559
 560 int print_archive_ref(const char *refname, const unsigned char *sha1,
 561                        int flags, void *cb_data)
 562 {
 563         struct tag *tag;
 564         struct taginfo *info;
 565         struct object *obj;
 566         char buf[256], *url;
 567         unsigned char fileid[20];
 568         int *header = (int *)cb_data;
 569
 570         if (prefixcmp(refname, "refs/archives"))
 571                 return 0;
 572         strncpy(buf, refname+14, sizeof(buf));
 573         obj = parse_object(sha1);
 574         if (!obj)
 575                 return 1;
 576         if (obj->type == OBJ_TAG) {
 577                 tag = lookup_tag(sha1);
 578                 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
 579                         return 0;
 580                 hashcpy(fileid, tag->tagged->sha1);
 581         } else if (obj->type != OBJ_BLOB) {
 582                 return 0;
 583         } else {
 584                 hashcpy(fileid, sha1);
 585         }
 586         if (!*header) {
 587                 html("<h1>download</h1>\n");
 588                 *header = 1;
 589         }
 590         url = cgit_pageurl(ctx.qry.repo, "blob",
 591                            fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
 592                                buf));
 593         html_link_open(url, NULL, "menu");
 594         html_txt(strlpart(buf, 20));
 595         html_link_close();
 596         return 0;
 597 }
 598
 599 void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
 600 {
 601         char *url;
 602
 603         if (!ctx.cfg.virtual_root) {
 604                 url = fmt("%s/%s", ctx.qry.repo, page);
 605                 if (ctx.qry.path)
 606                         url = fmt("%s/%s", url, ctx.qry.path);
 607                 html_hidden("url", url);
 608         }
 609
 610         if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
 611             strcmp(ctx.qry.head, ctx.repo->defbranch))
 612                 html_hidden("h", ctx.qry.head);
 613
 614         if (ctx.qry.sha1)
 615                 html_hidden("id", ctx.qry.sha1);
 616         if (ctx.qry.sha2)
 617                 html_hidden("id2", ctx.qry.sha2);
 618         if (ctx.qry.showmsg)
 619                 html_hidden("showmsg", "1");
 620
 621         if (incl_search) {
 622                 if (ctx.qry.grep)
 623                         html_hidden("qt", ctx.qry.grep);
 624                 if (ctx.qry.search)
 625                         html_hidden("q", ctx.qry.search);
 626         }
 627 }
 628
 629 const char *fallback_cmd = "repolist";
 630
 631 char *hc(struct cgit_cmd *cmd, const char *page)
 632 {
 633         return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
 634 }
 635
 636 static void print_header(struct cgit_context *ctx)
 637 {
 638         html("<table id='header'>\n");
 639         html("<tr>\n");
 640         html("<td class='logo' rowspan='2'><a href='");
 641         if (ctx->cfg.logo_link)
 642                 html_attr(ctx->cfg.logo_link);
 643         else
 644                 html_attr(cgit_rooturl());
 645         html("'><img src='");
 646         html_attr(ctx->cfg.logo);
 647         html("' alt='cgit logo'/></a></td>\n");
 648
 649         html("<td class='main'>");
 650         if (ctx->repo) {
 651                 cgit_index_link("index", NULL, NULL, NULL, 0);
 652                 html(" : ");
 653                 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
 654                 html("</td><td class='form'>");
 655                 html("<form method='get' action=''>\n");
 656                 cgit_add_hidden_formfields(0, 1, ctx->qry.page);
 657                 html("<select name='h' onchange='this.form.submit();'>\n");
 658                 for_each_branch_ref(print_branch_option, ctx->qry.head);
 659                 html("</select> ");
 660                 html("<input type='submit' name='' value='switch'/>");
 661                 html("</form>");
 662         } else
 663                 html_txt(ctx->cfg.root_title);
 664         html("</td></tr>\n");
 665
 666         html("<tr><td class='sub'>");
 667         if (ctx->repo) {
 668                 html_txt(ctx->repo->desc);
 669                 html("</td><td class='sub right'>");
 670                 html_txt(ctx->repo->owner);
 671         } else {
 672                 if (ctx->cfg.root_desc)
 673                         html_txt(ctx->cfg.root_desc);
 674                 else if (ctx->cfg.index_info)
 675                         html_include(ctx->cfg.index_info);
 676         }
 677         html("</td></tr></table>\n");
 678 }
 679
 680 void cgit_print_pageheader(struct cgit_context *ctx)
 681 {
 682         struct cgit_cmd *cmd = cgit_get_cmd(ctx);
 683
 684         if (!cmd && ctx->repo)
 685                 fallback_cmd = "summary";
 686
 687         html("<div id='cgit'>");
 688         if (!ctx->cfg.noheader)
 689                 print_header(ctx);
 690
 691         html("<table class='tabs'><tr><td>\n");
 692         if (ctx->repo) {
 693                 cgit_summary_link("summary", NULL, hc(cmd, "summary"),
 694                                   ctx->qry.head);
 695                 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
 696                                ctx->qry.sha1, NULL);
 697                 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
 698                               NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
 699                 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
 700                                ctx->qry.sha1, NULL);
 701                 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
 702                                  ctx->qry.head, ctx->qry.sha1);
 703                 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
 704                                ctx->qry.sha1, ctx->qry.sha2, NULL);
 705                 if (ctx->repo->max_stats)
 706                         cgit_stats_link("stats", NULL, hc(cmd, "stats"),
 707                                         ctx->qry.head, NULL);
 708                 if (ctx->repo->readme)
 709                         reporevlink("about", "about", NULL,
 710                                     hc(cmd, "about"), ctx->qry.head, NULL,
 711                                     NULL);
 712                 html("</td><td class='form'>");
 713                 html("<form class='right' method='get' action='");
 714                 if (ctx->cfg.virtual_root)
 715                         html_url_path(cgit_fileurl(ctx->qry.repo, "log",
 716                                                    ctx->qry.path, NULL));
 717                 html("'>\n");
 718                 cgit_add_hidden_formfields(1, 0, "log");
 719                 html("<select name='qt'>\n");
 720                 html_option("grep", "log msg", ctx->qry.grep);
 721                 html_option("author", "author", ctx->qry.grep);
 722                 html_option("committer", "committer", ctx->qry.grep);
 723                 html("</select>\n");
 724                 html("<input class='txt' type='text' size='10' name='q' value='");
 725                 html_attr(ctx->qry.search);
 726                 html("'/>\n");
 727                 html("<input type='submit' value='search'/>\n");
 728                 html("</form>\n");
 729         } else {
 730                 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
 731                 if (ctx->cfg.root_readme)
 732                         site_link("about", "about", NULL, hc(cmd, "about"),
 733                                   NULL, 0);
 734                 html("</td><td class='form'>");
 735                 html("<form method='get' action='");
 736                 html_attr(cgit_rooturl());
 737                 html("'>\n");
 738                 html("<input type='text' name='q' size='10' value='");
 739                 html_attr(ctx->qry.search);
 740                 html("'/>\n");
 741                 html("<input type='submit' value='search'/>\n");
 742                 html("</form>");
 743         }
 744         html("</td></tr></table>\n");
 745         html("<div class='content'>");
 746 }
 747
 748 void cgit_print_filemode(unsigned short mode)
 749 {
 750         if (S_ISDIR(mode))
 751                 html("d");
 752         else if (S_ISLNK(mode))
 753                 html("l");
 754         else if (S_ISGITLINK(mode))
 755                 html("m");
 756         else
 757                 html("-");
 758         html_fileperm(mode >> 6);
 759         html_fileperm(mode >> 3);
 760         html_fileperm(mode);
 761 }
 762
 763 void cgit_print_snapshot_links(const char *repo, const char *head,
 764                                const char *hex, int snapshots)
 765 {
 766         const struct cgit_snapshot_format* f;
 767         char *filename;
 768
 769         for (f = cgit_snapshot_formats; f->suffix; f++) {
 770                 if (!(snapshots & f->bit))
 771                         continue;
 772                 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
 773                                f->suffix);
 774                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 775                 html("<br/>");
 776         }
 777 }