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", "Nov", "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         if (ctx.env.https && !strcmp(ctx.env.https, "on"))
  40                 return "https://";
  41         else
  42                 return "http://";
  43 }
  44
  45 char *cgit_hosturl()
  46 {
  47         if (ctx.env.http_host)
  48                 return ctx.env.http_host;
  49         if (!ctx.env.server_name)
  50                 return NULL;
  51         if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80)
  52                 return ctx.env.server_name;
  53         return xstrdup(fmt("%s:%s", ctx.env.server_name, ctx.env.server_port));
  54 }
  55
  56 char *cgit_rooturl()
  57 {
  58         if (ctx.cfg.virtual_root)
  59                 return fmt("%s/", ctx.cfg.virtual_root);
  60         else
  61                 return ctx.cfg.script_name;
  62 }
  63
  64 char *cgit_repourl(const char *reponame)
  65 {
  66         if (ctx.cfg.virtual_root) {
  67                 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
  68         } else {
  69                 return fmt("?r=%s", reponame);
  70         }
  71 }
  72
  73 char *cgit_fileurl(const char *reponame, const char *pagename,
  74                    const char *filename, const char *query)
  75 {
  76         char *tmp;
  77         char *delim;
  78
  79         if (ctx.cfg.virtual_root) {
  80                 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
  81                           pagename, (filename ? filename:""));
  82                 delim = "?";
  83         } else {
  84                 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
  85                           (filename ? filename : ""));
  86                 delim = "&";
  87         }
  88         if (query)
  89                 tmp = fmt("%s%s%s", tmp, delim, query);
  90         return tmp;
  91 }
  92
  93 char *cgit_pageurl(const char *reponame, const char *pagename,
  94                    const char *query)
  95 {
  96         return cgit_fileurl(reponame,pagename,0,query);
  97 }
  98
  99 const char *cgit_repobasename(const char *reponame)
 100 {
 101         /* I assume we don't need to store more than one repo basename */
 102         static char rvbuf[1024];
 103         int p;
 104         const char *rv;
 105         strncpy(rvbuf,reponame,sizeof(rvbuf));
 106         if(rvbuf[sizeof(rvbuf)-1])
 107                 die("cgit_repobasename: truncated repository name '%s'", reponame);
 108         p = strlen(rvbuf)-1;
 109         /* strip trailing slashes */
 110         while(p && rvbuf[p]=='/') rvbuf[p--]=0;
 111         /* strip trailing .git */
 112         if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
 113                 p -= 3; rvbuf[p--] = 0;
 114         }
 115         /* strip more trailing slashes if any */
 116         while( p && rvbuf[p]=='/') rvbuf[p--]=0;
 117         /* find last slash in the remaining string */
 118         rv = strrchr(rvbuf,'/');
 119         if(rv)
 120                 return ++rv;
 121         return rvbuf;
 122 }
 123
 124 char *cgit_currurl()
 125 {
 126         if (!ctx.cfg.virtual_root)
 127                 return ctx.cfg.script_name;
 128         else if (ctx.qry.page)
 129                 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
 130         else if (ctx.qry.repo)
 131                 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
 132         else
 133                 return fmt("%s/", ctx.cfg.virtual_root);
 134 }
 135
 136 static void site_url(char *page, char *search, int ofs)
 137 {
 138         char *delim = "?";
 139
 140         if (ctx.cfg.virtual_root) {
 141                 html_attr(ctx.cfg.virtual_root);
 142                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 143                         html("/");
 144         } else
 145                 html(ctx.cfg.script_name);
 146
 147         if (page) {
 148                 htmlf("?p=%s", page);
 149                 delim = "&";
 150         }
 151         if (search) {
 152                 html(delim);
 153                 html("q=");
 154                 html_attr(search);
 155                 delim = "&";
 156         }
 157         if (ofs) {
 158                 html(delim);
 159                 htmlf("ofs=%d", ofs);
 160         }
 161 }
 162
 163 static void site_link(char *page, char *name, char *title, char *class,
 164                       char *search, int ofs)
 165 {
 166         html("<a");
 167         if (title) {
 168                 html(" title='");
 169                 html_attr(title);
 170                 html("'");
 171         }
 172         if (class) {
 173                 html(" class='");
 174                 html_attr(class);
 175                 html("'");
 176         }
 177         html(" href='");
 178         site_url(page, search, ofs);
 179         html("'>");
 180         html_txt(name);
 181         html("</a>");
 182 }
 183
 184 void cgit_index_link(char *name, char *title, char *class, char *pattern,
 185                      int ofs)
 186 {
 187         site_link(NULL, name, title, class, pattern, ofs);
 188 }
 189
 190 static char *repolink(char *title, char *class, char *page, char *head,
 191                       char *path)
 192 {
 193         char *delim = "?";
 194
 195         html("<a");
 196         if (title) {
 197                 html(" title='");
 198                 html_attr(title);
 199                 html("'");
 200         }
 201         if (class) {
 202                 html(" class='");
 203                 html_attr(class);
 204                 html("'");
 205         }
 206         html(" href='");
 207         if (ctx.cfg.virtual_root) {
 208                 html_url_path(ctx.cfg.virtual_root);
 209                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 210                         html("/");
 211                 html_url_path(ctx.repo->url);
 212                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 213                         html("/");
 214                 if (page) {
 215                         html_url_path(page);
 216                         html("/");
 217                         if (path)
 218                                 html_url_path(path);
 219                 }
 220         } else {
 221                 html(ctx.cfg.script_name);
 222                 html("?url=");
 223                 html_url_arg(ctx.repo->url);
 224                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 225                         html("/");
 226                 if (page) {
 227                         html_url_arg(page);
 228                         html("/");
 229                         if (path)
 230                                 html_url_arg(path);
 231                 }
 232                 delim = "&amp;";
 233         }
 234         if (head && strcmp(head, ctx.repo->defbranch)) {
 235                 html(delim);
 236                 html("h=");
 237                 html_url_arg(head);
 238                 delim = "&amp;";
 239         }
 240         return fmt("%s", delim);
 241 }
 242
 243 static void reporevlink(char *page, char *name, char *title, char *class,
 244                         char *head, char *rev, char *path)
 245 {
 246         char *delim;
 247
 248         delim = repolink(title, class, page, head, path);
 249         if (rev && strcmp(rev, ctx.qry.head)) {
 250                 html(delim);
 251                 html("id=");
 252                 html_url_arg(rev);
 253         }
 254         html("'>");
 255         html_txt(name);
 256         html("</a>");
 257 }
 258
 259 void cgit_summary_link(char *name, char *title, char *class, char *head)
 260 {
 261         reporevlink(NULL, name, title, class, head, NULL, NULL);
 262 }
 263
 264 void cgit_tag_link(char *name, char *title, char *class, char *head,
 265                    char *rev)
 266 {
 267         reporevlink("tag", name, title, class, head, rev, NULL);
 268 }
 269
 270 void cgit_tree_link(char *name, char *title, char *class, char *head,
 271                     char *rev, char *path)
 272 {
 273         reporevlink("tree", name, title, class, head, rev, path);
 274 }
 275
 276 void cgit_plain_link(char *name, char *title, char *class, char *head,
 277                      char *rev, char *path)
 278 {
 279         reporevlink("plain", name, title, class, head, rev, path);
 280 }
 281
 282 void cgit_log_link(char *name, char *title, char *class, char *head,
 283                    char *rev, char *path, int ofs, char *grep, char *pattern,
 284                    int showmsg)
 285 {
 286         char *delim;
 287
 288         delim = repolink(title, class, "log", head, path);
 289         if (rev && strcmp(rev, ctx.qry.head)) {
 290                 html(delim);
 291                 html("id=");
 292                 html_url_arg(rev);
 293                 delim = "&";
 294         }
 295         if (grep && pattern) {
 296                 html(delim);
 297                 html("qt=");
 298                 html_url_arg(grep);
 299                 delim = "&";
 300                 html(delim);
 301                 html("q=");
 302                 html_url_arg(pattern);
 303         }
 304         if (ofs > 0) {
 305                 html(delim);
 306                 html("ofs=");
 307                 htmlf("%d", ofs);
 308                 delim = "&";
 309         }
 310         if (showmsg) {
 311                 html(delim);
 312                 html("showmsg=1");
 313         }
 314         html("'>");
 315         html_txt(name);
 316         html("</a>");
 317 }
 318
 319 void cgit_commit_link(char *name, char *title, char *class, char *head,
 320                       char *rev)
 321 {
 322         if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
 323                 name[ctx.cfg.max_msg_len] = '\0';
 324                 name[ctx.cfg.max_msg_len - 1] = '.';
 325                 name[ctx.cfg.max_msg_len - 2] = '.';
 326                 name[ctx.cfg.max_msg_len - 3] = '.';
 327         }
 328         reporevlink("commit", name, title, class, head, rev, NULL);
 329 }
 330
 331 void cgit_refs_link(char *name, char *title, char *class, char *head,
 332                     char *rev, char *path)
 333 {
 334         reporevlink("refs", name, title, class, head, rev, path);
 335 }
 336
 337 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 338                         char *rev, char *archivename)
 339 {
 340         reporevlink("snapshot", name, title, class, head, rev, archivename);
 341 }
 342
 343 void cgit_diff_link(char *name, char *title, char *class, char *head,
 344                     char *new_rev, char *old_rev, char *path)
 345 {
 346         char *delim;
 347
 348         delim = repolink(title, class, "diff", head, path);
 349         if (new_rev && strcmp(new_rev, ctx.qry.head)) {
 350                 html(delim);
 351                 html("id=");
 352                 html_url_arg(new_rev);
 353                 delim = "&amp;";
 354         }
 355         if (old_rev) {
 356                 html(delim);
 357                 html("id2=");
 358                 html_url_arg(old_rev);
 359         }
 360         html("'>");
 361         html_txt(name);
 362         html("</a>");
 363 }
 364
 365 void cgit_patch_link(char *name, char *title, char *class, char *head,
 366                      char *rev)
 367 {
 368         reporevlink("patch", name, title, class, head, rev, NULL);
 369 }
 370
 371 void cgit_stats_link(char *name, char *title, char *class, char *head,
 372                      char *path)
 373 {
 374         reporevlink("stats", name, title, class, head, NULL, path);
 375 }
 376
 377 void cgit_object_link(struct object *obj)
 378 {
 379         char *page, *shortrev, *fullrev, *name;
 380
 381         fullrev = sha1_to_hex(obj->sha1);
 382         shortrev = xstrdup(fullrev);
 383         shortrev[10] = '\0';
 384         if (obj->type == OBJ_COMMIT) {
 385                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
 386                                  ctx.qry.head, fullrev);
 387                 return;
 388         } else if (obj->type == OBJ_TREE)
 389                 page = "tree";
 390         else if (obj->type == OBJ_TAG)
 391                 page = "tag";
 392         else
 393                 page = "blob";
 394         name = fmt("%s %s...", typename(obj->type), shortrev);
 395         reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 396 }
 397
 398 void cgit_print_date(time_t secs, char *format, int local_time)
 399 {
 400         char buf[64];
 401         struct tm *time;
 402
 403         if (!secs)
 404                 return;
 405         if(local_time)
 406                 time = localtime(&secs);
 407         else
 408                 time = gmtime(&secs);
 409         strftime(buf, sizeof(buf)-1, format, time);
 410         html_txt(buf);
 411 }
 412
 413 void cgit_print_age(time_t t, time_t max_relative, char *format)
 414 {
 415         time_t now, secs;
 416
 417         if (!t)
 418                 return;
 419         time(&now);
 420         secs = now - t;
 421
 422         if (secs > max_relative && max_relative >= 0) {
 423                 cgit_print_date(t, format, ctx.cfg.local_time);
 424                 return;
 425         }
 426
 427         if (secs < TM_HOUR * 2) {
 428                 htmlf("<span class='age-mins'>%.0f min.</span>",
 429                       secs * 1.0 / TM_MIN);
 430                 return;
 431         }
 432         if (secs < TM_DAY * 2) {
 433                 htmlf("<span class='age-hours'>%.0f hours</span>",
 434                       secs * 1.0 / TM_HOUR);
 435                 return;
 436         }
 437         if (secs < TM_WEEK * 2) {
 438                 htmlf("<span class='age-days'>%.0f days</span>",
 439                       secs * 1.0 / TM_DAY);
 440                 return;
 441         }
 442         if (secs < TM_MONTH * 2) {
 443                 htmlf("<span class='age-weeks'>%.0f weeks</span>",
 444                       secs * 1.0 / TM_WEEK);
 445                 return;
 446         }
 447         if (secs < TM_YEAR * 2) {
 448                 htmlf("<span class='age-months'>%.0f months</span>",
 449                       secs * 1.0 / TM_MONTH);
 450                 return;
 451         }
 452         htmlf("<span class='age-years'>%.0f years</span>",
 453               secs * 1.0 / TM_YEAR);
 454 }
 455
 456 void cgit_print_http_headers(struct cgit_context *ctx)
 457 {
 458         if (ctx->env.no_http && !strcmp(ctx->env.no_http, "1"))
 459                 return;
 460
 461         if (ctx->page.status)
 462                 htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
 463         if (ctx->page.mimetype && ctx->page.charset)
 464                 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
 465                       ctx->page.charset);
 466         else if (ctx->page.mimetype)
 467                 htmlf("Content-Type: %s\n", ctx->page.mimetype);
 468         if (ctx->page.size)
 469                 htmlf("Content-Length: %ld\n", ctx->page.size);
 470         if (ctx->page.filename)
 471                 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
 472                       ctx->page.filename);
 473         htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
 474         htmlf("Expires: %s\n", http_date(ctx->page.expires));
 475         if (ctx->page.etag)
 476                 htmlf("ETag: \"%s\"\n", ctx->page.etag);
 477         html("\n");
 478         if (ctx->env.request_method && !strcmp(ctx->env.request_method, "HEAD"))
 479                 exit(0);
 480 }
 481
 482 void cgit_print_docstart(struct cgit_context *ctx)
 483 {
 484         if (ctx->cfg.embedded) {
 485                 if (ctx->cfg.header)
 486                         html_include(ctx->cfg.header);
 487                 return;
 488         }
 489
 490         char *host = cgit_hosturl();
 491         html(cgit_doctype);
 492         html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
 493         html("<head>\n");
 494         html("<title>");
 495         html_txt(ctx->page.title);
 496         html("</title>\n");
 497         htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
 498         if (ctx->cfg.robots && *ctx->cfg.robots)
 499                 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
 500         html("<link rel='stylesheet' type='text/css' href='");
 501         html_attr(ctx->cfg.css);
 502         html("'/>\n");
 503         if (ctx->cfg.favicon) {
 504                 html("<link rel='shortcut icon' href='");
 505                 html_attr(ctx->cfg.favicon);
 506                 html("'/>\n");
 507         }
 508         if (host && ctx->repo) {
 509                 html("<link rel='alternate' title='Atom feed' href='");
 510                 html(cgit_httpscheme());
 511                 html_attr(cgit_hosturl());
 512                 html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
 513                                        fmt("h=%s", ctx->qry.head)));
 514                 html("' type='application/atom+xml'/>\n");
 515         }
 516         if (ctx->cfg.head_include)
 517                 html_include(ctx->cfg.head_include);
 518         html("</head>\n");
 519         html("<body>\n");
 520         if (ctx->cfg.header)
 521                 html_include(ctx->cfg.header);
 522 }
 523
 524 void cgit_print_docend()
 525 {
 526         html("</div> <!-- class=content -->\n");
 527         if (ctx.cfg.embedded) {
 528                 html("</div> <!-- id=cgit -->\n");
 529                 if (ctx.cfg.footer)
 530                         html_include(ctx.cfg.footer);
 531                 return;
 532         }
 533         if (ctx.cfg.footer)
 534                 html_include(ctx.cfg.footer);
 535         else {
 536                 htmlf("<div class='footer'>generated  by cgit %s at ",
 537                         cgit_version);
 538                 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
 539                 html("</div>\n");
 540         }
 541         html("</div> <!-- id=cgit -->\n");
 542         html("</body>\n</html>\n");
 543 }
 544
 545 int print_branch_option(const char *refname, const unsigned char *sha1,
 546                         int flags, void *cb_data)
 547 {
 548         char *name = (char *)refname;
 549         html_option(name, name, ctx.qry.head);
 550         return 0;
 551 }
 552
 553 int print_archive_ref(const char *refname, const unsigned char *sha1,
 554                        int flags, void *cb_data)
 555 {
 556         struct tag *tag;
 557         struct taginfo *info;
 558         struct object *obj;
 559         char buf[256], *url;
 560         unsigned char fileid[20];
 561         int *header = (int *)cb_data;
 562
 563         if (prefixcmp(refname, "refs/archives"))
 564                 return 0;
 565         strncpy(buf, refname+14, sizeof(buf));
 566         obj = parse_object(sha1);
 567         if (!obj)
 568                 return 1;
 569         if (obj->type == OBJ_TAG) {
 570                 tag = lookup_tag(sha1);
 571                 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
 572                         return 0;
 573                 hashcpy(fileid, tag->tagged->sha1);
 574         } else if (obj->type != OBJ_BLOB) {
 575                 return 0;
 576         } else {
 577                 hashcpy(fileid, sha1);
 578         }
 579         if (!*header) {
 580                 html("<h1>download</h1>\n");
 581                 *header = 1;
 582         }
 583         url = cgit_pageurl(ctx.qry.repo, "blob",
 584                            fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
 585                                buf));
 586         html_link_open(url, NULL, "menu");
 587         html_txt(strlpart(buf, 20));
 588         html_link_close();
 589         return 0;
 590 }
 591
 592 void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
 593 {
 594         char *url;
 595
 596         if (!ctx.cfg.virtual_root) {
 597                 url = fmt("%s/%s", ctx.qry.repo, page);
 598                 if (ctx.qry.path)
 599                         url = fmt("%s/%s", url, ctx.qry.path);
 600                 html_hidden("url", url);
 601         }
 602
 603         if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
 604             strcmp(ctx.qry.head, ctx.repo->defbranch))
 605                 html_hidden("h", ctx.qry.head);
 606
 607         if (ctx.qry.sha1)
 608                 html_hidden("id", ctx.qry.sha1);
 609         if (ctx.qry.sha2)
 610                 html_hidden("id2", ctx.qry.sha2);
 611         if (ctx.qry.showmsg)
 612                 html_hidden("showmsg", "1");
 613
 614         if (incl_search) {
 615                 if (ctx.qry.grep)
 616                         html_hidden("qt", ctx.qry.grep);
 617                 if (ctx.qry.search)
 618                         html_hidden("q", ctx.qry.search);
 619         }
 620 }
 621
 622 const char *fallback_cmd = "repolist";
 623
 624 char *hc(struct cgit_cmd *cmd, const char *page)
 625 {
 626         return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
 627 }
 628
 629 static void print_header(struct cgit_context *ctx)
 630 {
 631         html("<table id='header'>\n");
 632         html("<tr>\n");
 633
 634         if (ctx->cfg.logo && ctx->cfg.logo[0] != 0) {
 635                 html("<td class='logo' rowspan='2'><a href='");
 636                 if (ctx->cfg.logo_link)
 637                         html_attr(ctx->cfg.logo_link);
 638                 else
 639                         html_attr(cgit_rooturl());
 640                 html("'><img src='");
 641                 html_attr(ctx->cfg.logo);
 642                 html("' alt='cgit logo'/></a></td>\n");
 643         }
 644
 645         html("<td class='main'>");
 646         if (ctx->repo) {
 647                 cgit_index_link("index", NULL, NULL, NULL, 0);
 648                 html(" : ");
 649                 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
 650                 html("</td><td class='form'>");
 651                 html("<form method='get' action=''>\n");
 652                 cgit_add_hidden_formfields(0, 1, ctx->qry.page);
 653                 html("<select name='h' onchange='this.form.submit();'>\n");
 654                 for_each_branch_ref(print_branch_option, ctx->qry.head);
 655                 html("</select> ");
 656                 html("<input type='submit' name='' value='switch'/>");
 657                 html("</form>");
 658         } else
 659                 html_txt(ctx->cfg.root_title);
 660         html("</td></tr>\n");
 661
 662         html("<tr><td class='sub'>");
 663         if (ctx->repo) {
 664                 html_txt(ctx->repo->desc);
 665                 html("</td><td class='sub right'>");
 666                 html_txt(ctx->repo->owner);
 667         } else {
 668                 if (ctx->cfg.root_desc)
 669                         html_txt(ctx->cfg.root_desc);
 670                 else if (ctx->cfg.index_info)
 671                         html_include(ctx->cfg.index_info);
 672         }
 673         html("</td></tr></table>\n");
 674 }
 675
 676 void cgit_print_pageheader(struct cgit_context *ctx)
 677 {
 678         struct cgit_cmd *cmd = cgit_get_cmd(ctx);
 679
 680         if (!cmd && ctx->repo)
 681                 fallback_cmd = "summary";
 682
 683         html("<div id='cgit'>");
 684         if (!ctx->cfg.noheader)
 685                 print_header(ctx);
 686
 687         html("<table class='tabs'><tr><td>\n");
 688         if (ctx->repo) {
 689                 cgit_summary_link("summary", NULL, hc(cmd, "summary"),
 690                                   ctx->qry.head);
 691                 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
 692                                ctx->qry.sha1, NULL);
 693                 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
 694                               NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
 695                 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
 696                                ctx->qry.sha1, NULL);
 697                 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
 698                                  ctx->qry.head, ctx->qry.sha1);
 699                 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
 700                                ctx->qry.sha1, ctx->qry.sha2, NULL);
 701                 if (ctx->repo->max_stats)
 702                         cgit_stats_link("stats", NULL, hc(cmd, "stats"),
 703                                         ctx->qry.head, NULL);
 704                 if (ctx->repo->readme)
 705                         reporevlink("about", "about", NULL,
 706                                     hc(cmd, "about"), ctx->qry.head, NULL,
 707                                     NULL);
 708                 html("</td><td class='form'>");
 709                 html("<form class='right' method='get' action='");
 710                 if (ctx->cfg.virtual_root)
 711                         html_url_path(cgit_fileurl(ctx->qry.repo, "log",
 712                                                    ctx->qry.path, NULL));
 713                 html("'>\n");
 714                 cgit_add_hidden_formfields(1, 0, "log");
 715                 html("<select name='qt'>\n");
 716                 html_option("grep", "log msg", ctx->qry.grep);
 717                 html_option("author", "author", ctx->qry.grep);
 718                 html_option("committer", "committer", ctx->qry.grep);
 719                 html("</select>\n");
 720                 html("<input class='txt' type='text' size='10' name='q' value='");
 721                 html_attr(ctx->qry.search);
 722                 html("'/>\n");
 723                 html("<input type='submit' value='search'/>\n");
 724                 html("</form>\n");
 725         } else {
 726                 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
 727                 if (ctx->cfg.root_readme)
 728                         site_link("about", "about", NULL, hc(cmd, "about"),
 729                                   NULL, 0);
 730                 html("</td><td class='form'>");
 731                 html("<form method='get' action='");
 732                 html_attr(cgit_rooturl());
 733                 html("'>\n");
 734                 html("<input type='text' name='q' size='10' value='");
 735                 html_attr(ctx->qry.search);
 736                 html("'/>\n");
 737                 html("<input type='submit' value='search'/>\n");
 738                 html("</form>");
 739         }
 740         html("</td></tr></table>\n");
 741         html("<div class='content'>");
 742 }
 743
 744 void cgit_print_filemode(unsigned short mode)
 745 {
 746         if (S_ISDIR(mode))
 747                 html("d");
 748         else if (S_ISLNK(mode))
 749                 html("l");
 750         else if (S_ISGITLINK(mode))
 751                 html("m");
 752         else
 753                 html("-");
 754         html_fileperm(mode >> 6);
 755         html_fileperm(mode >> 3);
 756         html_fileperm(mode);
 757 }
 758
 759 void cgit_print_snapshot_links(const char *repo, const char *head,
 760                                const char *hex, int snapshots)
 761 {
 762         const struct cgit_snapshot_format* f;
 763         char *prefix;
 764         char *filename;
 765         unsigned char sha1[20];
 766
 767         if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
 768             (hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1]))
 769                 hex++;
 770         prefix = xstrdup(fmt("%s-%s", cgit_repobasename(repo), hex));
 771         for (f = cgit_snapshot_formats; f->suffix; f++) {
 772                 if (!(snapshots & f->bit))
 773                         continue;
 774                 filename = fmt("%s%s", prefix, f->suffix);
 775                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 776                 html("<br/>");
 777         }
 778 }