lisp/org-html.el

   1 ;;; org-html.el --- HTML export for Org-mode
   2
   3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
   4 ;;   Free Software Foundation, Inc.
   5
   6 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   7 ;; Keywords: outlines, hypermedia, calendar, wp
   8 ;; Homepage: http://orgmode.org
   9 ;; Version: 6.27trans
  10 ;;
  11 ;; This file is part of GNU Emacs.
  12 ;;
  13 ;; GNU Emacs is free software: you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation, either version 3 of the License, or
  16 ;; (at your option) any later version.
  17
  18 ;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  25 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  26 ;;
  27 ;;; Commentary:
  28
  29 (require 'org-exp)
  30
  31 (declare-function org-id-find-id-file "org-id" (id))
  32 (declare-function htmlize-region "ext:htmlize" (beg end))
  33
  34 (defcustom org-export-html-footnotes-section "<div id=\"footnotes\">
  35 <h2 class=\"footnotes\">%s: </h2>
  36 <div id=\"text-footnotes\">
  37 %s
  38 </div>
  39 </div>"
  40   "Format for the footnotes section.
  41 Should contain a two instances of %s.  The first will be replaced with the
  42 language-specific word for \"Footnotes\", the second one will be replaced
  43 by the footnotes themselves."
  44   :group 'org-export-html
  45   :type 'string)
  46
  47 (defgroup org-export-html nil
  48   "Options specific for HTML export of Org-mode files."
  49   :tag "Org Export HTML"
  50   :group 'org-export)
  51
  52 (defcustom org-export-html-coding-system nil
  53   "Coding system for HTML export, defaults to buffer-file-coding-system."
  54   :group 'org-export-html
  55   :type 'coding-system)
  56
  57 (defcustom org-export-html-extension "html"
  58   "The extension for exported HTML files."
  59   :group 'org-export-html
  60   :type 'string)
  61
  62 (defcustom org-export-html-xml-declaration
  63   '(("html" . "<?xml version=\"1.0\" encoding=\"%s\"?>")
  64     ("php" . "<?php echo '<?xml version=\"1.0\" encoding=\"%s\" ?>'; ?>"))
  65   "The extension for exported HTML files.
  66 %s will be replaced with the charset of the exported file.
  67 This may be a string, or an alist with export extensions
  68 and corresponding declarations."
  69   :group 'org-export-html
  70   :type '(choice
  71           (string :tag "Single declaration")
  72           (repeat :tag "Dependent on extension"
  73                   (cons (string :tag "Extension")
  74                         (string :tag "Declaration")))))
  75
  76 (defcustom org-export-html-style-include-scripts t
  77   "Non-nil means, include the javascript snippets in exported HTML files.
  78 The actual script is defined in `org-export-html-scripts' and should
  79 not be modified."
  80   :group 'org-export-html
  81   :type 'boolean)
  82
  83 (defconst org-export-html-scripts
  84 "<script type=\"text/javascript\">
  85 <!--/*--><![CDATA[/*><!--*/
  86  function CodeHighlightOn(elem, id)
  87  {
  88    var target = document.getElementById(id);
  89    if(null != target) {
  90      elem.cacheClassElem = elem.className;
  91      elem.cacheClassTarget = target.className;
  92      target.className = \"code-highlighted\";
  93      elem.className   = \"code-highlighted\";
  94    }
  95  }
  96  function CodeHighlightOff(elem, id)
  97  {
  98    var target = document.getElementById(id);
  99    if(elem.cacheClassElem)
 100      elem.className = elem.cacheClassElem;
 101    if(elem.cacheClassTarget)
 102      target.className = elem.cacheClassTarget;
 103  }
 104 /*]]>*///-->
 105 </script>"
 106 "Basic javascript that is needed by HTML files produced by Org-mode.")
 107
 108 (defconst org-export-html-style-default
 109 "<style type=\"text/css\">
 110  <!--/*--><![CDATA[/*><!--*/
 111   html { font-family: Times, serif; font-size: 12pt; }
 112   .title  { text-align: center; }
 113   .todo   { color: red; }
 114   .done   { color: green; }
 115   .tag    { background-color: #add8e6; font-weight:normal }
 116   .target { }
 117   .timestamp { color: #bebebe; }
 118   .timestamp-kwd { color: #5f9ea0; }
 119   p.verse { margin-left: 3% }
 120   pre {
 121         border: 1pt solid #AEBDCC;
 122         background-color: #F3F5F7;
 123         padding: 5pt;
 124         font-family: courier, monospace;
 125         font-size: 90%;
 126         overflow:auto;
 127   }
 128   table { border-collapse: collapse; }
 129   td, th { vertical-align: top; }
 130   dt { font-weight: bold; }
 131   div.figure { padding: 0.5em; }
 132   div.figure p { text-align: center; }
 133   .linenr { font-size:smaller }
 134   .code-highlighted {background-color:#ffff00;}
 135   .org-info-js_info-navigation { border-style:none; }
 136   #org-info-js_console-label { font-size:10px; font-weight:bold;
 137                                white-space:nowrap; }
 138   .org-info-js_search-highlight {background-color:#ffff00; color:#000000;
 139                                  font-weight:bold; }
 140   /*]]>*/-->
 141 </style>"
 142   "The default style specification for exported HTML files.
 143 Please use the variables `org-export-html-style' and
 144 `org-export-html-style-extra' to add to this style.  If you wish to not
 145 have the default style included, customize the variable
 146 `org-export-html-style-include-default'.")
 147
 148 (defcustom org-export-html-style-include-default t
 149   "Non-nil means, include the default style in exported HTML files.
 150 The actual style is defined in `org-export-html-style-default' and should
 151 not be modified.  Use the variables `org-export-html-style' to add
 152 your own style information."
 153   :group 'org-export-html
 154   :type 'boolean)
 155 ;;;###autoload
 156 (put 'org-export-html-style 'safe-local-variable 'booleanp)
 157
 158 (defcustom org-export-html-style ""
 159   "Org-wide style definitions for exported HTML files.
 160
 161 This variable needs to contain the full HTML structure to provide a style,
 162 including the surrounding HTML tags.  If you set the value of this variable,
 163 you should consider to include definitions for the following classes:
 164  title, todo, done, timestamp, timestamp-kwd, tag, target.
 165
 166 For example, a valid value would be:
 167
 168    <style type=\"text/css\">
 169     <![CDATA[
 170        p { font-weight: normal; color: gray; }
 171        h1 { color: black; }
 172       .title { text-align: center; }
 173       .todo, .timestamp-kwd { color: red; }
 174       .done { color: green; }
 175     ]]>
 176    </style>
 177
 178 If you'd like to refer to en external style file, use something like
 179
 180    <link rel=\"stylesheet\" type=\"text/css\" href=\"mystyles.css\">
 181
 182 As the value of this option simply gets inserted into the HTML <head> header,
 183 you can \"misuse\" it to add arbitrary text to the header.
 184 See also the variable `org-export-html-style-extra'."
 185   :group 'org-export-html
 186   :type 'string)
 187 ;;;###autoload
 188 (put 'org-export-html-style 'safe-local-variable 'stringp)
 189
 190 (defcustom org-export-html-style-extra ""
 191   "Additional style information for HTML export.
 192 The value of this variable is inserted into the HTML buffer right after
 193 the value of `org-export-html-style'.  Use this variable for per-file
 194 settings of style information, and do not forget to surround the style
 195 settings with <style>...</style> tags."
 196   :group 'org-export-html
 197   :type 'string)
 198 ;;;###autoload
 199 (put 'org-export-html-style-extra 'safe-local-variable 'stringp)
 200
 201 (defcustom org-export-html-tag-class-prefix ""
 202   "Prefix to clas names for TODO keywords.
 203 Each tag gets a class given by the tag itself, with this prefix.
 204 The default prefix is empty because it is nice to just use the keyword
 205 as a class name.  But if you get into conflicts with other, existing
 206 CSS classes, then this prefic can be very useful."
 207   :group 'org-export-html
 208   :type 'string)
 209
 210 (defcustom org-export-html-todo-kwd-class-prefix ""
 211   "Prefix to clas names for TODO keywords.
 212 Each TODO keyword gets a class given by the keyword itself, with this prefix.
 213 The default prefix is empty because it is nice to just use the keyword
 214 as a class name.  But if you get into conflicts with other, existing
 215 CSS classes, then this prefic can be very useful."
 216   :group 'org-export-html
 217   :type 'string)
 218
 219 (defcustom org-export-html-title-format "<h1 class=\"title\">%s</h1>\n"
 220   "Format for typesetting the document title in HTML export."
 221   :group 'org-export-html
 222   :type 'string)
 223
 224 (defcustom org-export-html-toplevel-hlevel 2
 225   "The <H> level for level 1 headings in HTML export.
 226 This is also important for the classes that will be wrapped around headlines
 227 and outline structure.  If this variable is 1, the top-level headlines will
 228 be <h1>, and the corresponding classes will be outline-1, section-number-1,
 229 and outline-text-1.  If this is 2, all of these will get a 2 instead.
 230 The default for this variable is 2, because we use <h1> for formatting the
 231 document title."
 232   :group 'org-export-html
 233   :type 'string)
 234
 235 (defcustom org-export-html-link-org-files-as-html t
 236   "Non-nil means, make file links to `file.org' point to `file.html'.
 237 When org-mode is exporting an org-mode file to HTML, links to
 238 non-html files are directly put into a href tag in HTML.
 239 However, links to other Org-mode files (recognized by the
 240 extension `.org.) should become links to the corresponding html
 241 file, assuming that the linked org-mode file will also be
 242 converted to HTML.
 243 When nil, the links still point to the plain `.org' file."
 244   :group 'org-export-html
 245   :type 'boolean)
 246
 247 (defcustom org-export-html-inline-images 'maybe
 248   "Non-nil means, inline images into exported HTML pages.
 249 This is done using an <img> tag.  When nil, an anchor with href is used to
 250 link to the image.  If this option is `maybe', then images in links with
 251 an empty description will be inlined, while images with a description will
 252 be linked only."
 253   :group 'org-export-html
 254   :type '(choice (const :tag "Never" nil)
 255                  (const :tag "Always" t)
 256                  (const :tag "When there is no description" maybe)))
 257
 258 (defcustom org-export-html-inline-image-extensions
 259   '("png" "jpeg" "jpg" "gif")
 260   "Extensions of image files that can be inlined into HTML."
 261   :group 'org-export-html
 262   :type '(repeat (string :tag "Extension")))
 263
 264 (defcustom org-export-html-table-tag
 265   "<table border=\"2\" cellspacing=\"0\" cellpadding=\"6\" rules=\"groups\" frame=\"hsides\">"
 266   "The HTML tag that is used to start a table.
 267 This must be a <table> tag, but you may change the options like
 268 borders and spacing."
 269   :group 'org-export-html
 270   :type 'string)
 271
 272 (defcustom org-export-table-header-tags '("<th scope=\"%s\">" . "</th>")
 273   "The opening tag for table header fields.
 274 This is customizable so that alignment options can be specified.
 275 %s will be filled with the scope of the field, either row or col.
 276 See also the variable `org-export-html-table-use-header-tags-for-first-column'."
 277   :group 'org-export-tables
 278   :type '(cons (string :tag "Opening tag") (string :tag "Closing tag")))
 279
 280 (defcustom org-export-table-data-tags '("<td>" . "</td>")
 281   "The opening tag for table data fields.
 282 This is customizable so that alignment options can be specified."
 283   :group 'org-export-tables
 284   :type '(cons (string :tag "Opening tag") (string :tag "Closing tag")))
 285
 286 (defcustom org-export-html-table-use-header-tags-for-first-column nil
 287   "Non-nil means, format column one in tables with header tags.
 288 When nil, also column one will use data tags."
 289   :group 'org-export-tables
 290   :type 'boolean)
 291
 292 (defcustom org-export-html-validation-link nil
 293   "Non-nil means, add validationlink to postamble of HTML exported files."
 294   :group 'org-export-html
 295   :type '(choice
 296           (const :tag "Nothing" nil)
 297           (const :tag "XHTML 1.0" "<p class=\"xhtml-validation\"><a href=\"http://validator.w3.org/check?uri=referer\">Validate XHTML 1.0</a></p>")
 298           (string :tag "Specify full HTML")))
 299
 300
 301 (defcustom org-export-html-with-timestamp nil
 302   "If non-nil, write `org-export-html-html-helper-timestamp'
 303 into the exported HTML text.  Otherwise, the buffer will just be saved
 304 to a file."
 305   :group 'org-export-html
 306   :type 'boolean)
 307
 308 (defcustom org-export-html-html-helper-timestamp
 309   "<br/><br/><hr><p><!-- hhmts start --> <!-- hhmts end --></p>\n"
 310   "The HTML tag used as timestamp delimiter for HTML-helper-mode."
 311   :group 'org-export-html
 312   :type 'string)
 313
 314 (defgroup org-export-htmlize nil
 315   "Options for processing examples with htmlize.el."
 316   :tag "Org Export Htmlize"
 317   :group 'org-export-html)
 318
 319 (defcustom org-export-htmlize-output-type 'inline-css
 320   "Output type to be used by htmlize when formatting code snippets.
 321 We use as default  `inline-css', in order to make the resulting
 322 HTML self-containing.
 323 However, this will fail when using Emacs in batch mode for export, because
 324 then no rich font definitions are in place.  It will also not be good if
 325 people with different Emacs setup contribute HTML files to a website,
 326 because the fonts will represent the individual setups.  In these cases,
 327 it is much better to let Org/Htmlize assign classes only, and to use
 328 a style file to define the look of these classes.
 329 To get a start for your css file, start Emacs session nnd make sure that
 330 all the faces you are interested in are defined, for example by loading files
 331 in all modes you want.  Then, use the command
 332 \\[org-export-htmlize-generate-css] to extract class definitions."
 333   :group 'org-export-htmlize
 334   :type '(choice (const css) (const inline-css)))
 335
 336 (defcustom org-export-htmlize-css-font-prefix "org-"
 337   "The prefix for CSS class names for htmlize font specifications."
 338   :group 'org-export-htmlize
 339   :type 'string)
 340
 341 (defcustom org-export-htmlized-org-css-url nil
 342   "URL pointing to a CSS file defining text colors for htmlized Emacs buffers.
 343 Normally when creating an htmlized version of an Org buffer, htmlize will
 344 create CSS to define the font colors.  However, this does not work when
 345 converting in batch mode, and it also can look bad if different people
 346 with different fontification setup work on the same website.
 347 When this variable is non-nil, creating an htmlized version of an Org buffer
 348 using `org-export-as-org' will remove the internal CSS section and replace it
 349 with a link to this URL."
 350   :group 'org-export-htmlize
 351   :type '(choice
 352           (const :tag "Keep internal css" nil)
 353           (string :tag "URL or local href")))
 354
 355 ;;; Variables, constants, and parameter plists
 356
 357 (defvar org-export-html-preamble nil
 358   "Preamble, to be inserted just before <body>.  Set by publishing functions.")
 359 (defvar org-export-html-postamble nil
 360   "Preamble, to be inserted just after </body>.  Set by publishing functions.")
 361 (defvar org-export-html-auto-preamble t
 362   "Should default preamble be inserted?  Set by publishing functions.")
 363 (defvar org-export-html-auto-postamble t
 364   "Should default postamble be inserted?  Set by publishing functions.")
 365
 366 ;;; Hooks
 367
 368 (defvar org-export-html-after-blockquotes-hook nil
 369   "Hook run during HTML export, after blockquote, verse, center are done.")
 370
 371 ;;; HTML export
 372
 373 (defun org-export-html-preprocess (parameters)
 374   ;; Convert LaTeX fragments to images
 375   (when (and org-current-export-file
 376              (plist-get parameters :LaTeX-fragments))
 377     (org-format-latex
 378      (concat "ltxpng/" (file-name-sans-extension
 379                         (file-name-nondirectory
 380                          org-current-export-file)))
 381      org-current-export-dir nil "Creating LaTeX image %s"))
 382   (message "Exporting..."))
 383
 384 ;;;###autoload
 385 (defun org-export-as-html-and-open (arg)
 386   "Export the outline as HTML and immediately open it with a browser.
 387 If there is an active region, export only the region.
 388 The prefix ARG specifies how many levels of the outline should become
 389 headlines.  The default is 3.  Lower levels will become bulleted lists."
 390   (interactive "P")
 391   (org-export-as-html arg 'hidden)
 392   (org-open-file buffer-file-name))
 393
 394 ;;;###autoload
 395 (defun org-export-as-html-batch ()
 396   "Call `org-export-as-html', may be used in batch processing as
 397 emacs   --batch
 398         --load=$HOME/lib/emacs/org.el
 399         --eval \"(setq org-export-headline-levels 2)\"
 400         --visit=MyFile --funcall org-export-as-html-batch"
 401   (org-export-as-html org-export-headline-levels 'hidden))
 402
 403 ;;;###autoload
 404 (defun org-export-as-html-to-buffer (arg)
 405   "Call `org-export-as-html` with output to a temporary buffer.
 406 No file is created.  The prefix ARG is passed through to `org-export-as-html'."
 407   (interactive "P")
 408   (org-export-as-html arg nil nil "*Org HTML Export*")
 409   (when org-export-show-temporary-export-buffer
 410     (switch-to-buffer-other-window "*Org HTML Export*")))
 411
 412 ;;;###autoload
 413 (defun org-replace-region-by-html (beg end)
 414   "Assume the current region has org-mode syntax, and convert it to HTML.
 415 This can be used in any buffer.  For example, you could write an
 416 itemized list in org-mode syntax in an HTML buffer and then use this
 417 command to convert it."
 418   (interactive "r")
 419   (let (reg html buf pop-up-frames)
 420     (save-window-excursion
 421       (if (org-mode-p)
 422           (setq html (org-export-region-as-html
 423                       beg end t 'string))
 424         (setq reg (buffer-substring beg end)
 425               buf (get-buffer-create "*Org tmp*"))
 426         (with-current-buffer buf
 427           (erase-buffer)
 428           (insert reg)
 429           (org-mode)
 430           (setq html (org-export-region-as-html
 431                       (point-min) (point-max) t 'string)))
 432         (kill-buffer buf)))
 433     (delete-region beg end)
 434     (insert html)))
 435
 436 ;;;###autoload
 437 (defun org-export-region-as-html (beg end &optional body-only buffer)
 438   "Convert region from BEG to END in org-mode buffer to HTML.
 439 If prefix arg BODY-ONLY is set, omit file header, footer, and table of
 440 contents, and only produce the region of converted text, useful for
 441 cut-and-paste operations.
 442 If BUFFER is a buffer or a string, use/create that buffer as a target
 443 of the converted HTML.  If BUFFER is the symbol `string', return the
 444 produced HTML as a string and leave not buffer behind.  For example,
 445 a Lisp program could call this function in the following way:
 446
 447   (setq html (org-export-region-as-html beg end t 'string))
 448
 449 When called interactively, the output buffer is selected, and shown
 450 in a window.  A non-interactive call will only return the buffer."
 451   (interactive "r\nP")
 452   (when (interactive-p)
 453     (setq buffer "*Org HTML Export*"))
 454   (let ((transient-mark-mode t) (zmacs-regions t)
 455         ext-plist rtn)
 456     (setq ext-plist (plist-put ext-plist :ignore-subree-p t))
 457     (goto-char end)
 458     (set-mark (point)) ;; to activate the region
 459     (goto-char beg)
 460     (setq rtn (org-export-as-html
 461                nil nil ext-plist
 462                buffer body-only))
 463     (if (fboundp 'deactivate-mark) (deactivate-mark))
 464     (if (and (interactive-p) (bufferp rtn))
 465         (switch-to-buffer-other-window rtn)
 466       rtn)))
 467
 468 (defvar html-table-tag nil) ; dynamically scoped into this.
 469 (defvar org-par-open nil)
 470 ;;;###autoload
 471 (defun org-export-as-html (arg &optional hidden ext-plist
 472                                to-buffer body-only pub-dir)
 473   "Export the outline as a pretty HTML file.
 474 If there is an active region, export only the region.  The prefix
 475 ARG specifies how many levels of the outline should become
 476 headlines.  The default is 3.  Lower levels will become bulleted
 477 lists.  HIDDEN is obsolete and does nothing.
 478 EXT-PLIST is a property list with external parameters overriding
 479 org-mode's default settings, but still inferior to file-local
 480 settings.  When TO-BUFFER is non-nil, create a buffer with that
 481 name and export to that buffer.  If TO-BUFFER is the symbol
 482 `string', don't leave any buffer behind but just return the
 483 resulting HTML as a string.  When BODY-ONLY is set, don't produce
 484 the file header and footer, simply return the content of
 485 <body>...</body>, without even the body tags themselves.  When
 486 PUB-DIR is set, use this as the publishing directory."
 487   (interactive "P")
 488
 489   ;; Make sure we have a file name when we need it.
 490   (when (and (not (or to-buffer body-only))
 491              (not buffer-file-name))
 492     (if (buffer-base-buffer)
 493         (org-set-local 'buffer-file-name
 494                        (with-current-buffer (buffer-base-buffer)
 495                          buffer-file-name))
 496       (error "Need a file name to be able to export.")))
 497
 498   (message "Exporting...")
 499   (setq-default org-todo-line-regexp org-todo-line-regexp)
 500   (setq-default org-deadline-line-regexp org-deadline-line-regexp)
 501   (setq-default org-done-keywords org-done-keywords)
 502   (setq-default org-maybe-keyword-time-regexp org-maybe-keyword-time-regexp)
 503   (let* ((opt-plist
 504           (org-export-process-option-filters
 505            (org-combine-plists (org-default-export-plist)
 506                                ext-plist
 507                                (org-infile-export-plist))))
 508          (body-only (or body-only (plist-get opt-plist :body-only)))
 509          (style (concat (if (plist-get opt-plist :style-include-default)
 510                             org-export-html-style-default)
 511                         (plist-get opt-plist :style)
 512                         (plist-get opt-plist :style-extra)
 513                         "\n"
 514                         (if (plist-get opt-plist :style-include-scripts)
 515                             org-export-html-scripts)))
 516          (html-extension (plist-get opt-plist :html-extension))
 517          (link-validate (plist-get opt-plist :link-validation-function))
 518          valid thetoc have-headings first-heading-pos
 519          (odd org-odd-levels-only)
 520          (region-p (org-region-active-p))
 521          (rbeg (and region-p (region-beginning)))
 522          (rend (and region-p (region-end)))
 523          (subtree-p
 524           (if (plist-get opt-plist :ignore-subree-p)
 525               nil
 526             (when region-p
 527               (save-excursion
 528                 (goto-char rbeg)
 529                 (and (org-at-heading-p)
 530                      (>= (org-end-of-subtree t t) rend))))))
 531          (level-offset (if subtree-p
 532                            (save-excursion
 533                              (goto-char rbeg)
 534                              (+ (funcall outline-level)
 535                                 (if org-odd-levels-only 1 0)))
 536                          0))
 537          (opt-plist (setq org-export-opt-plist
 538                           (if subtree-p
 539                               (org-export-add-subtree-options opt-plist rbeg)
 540                             opt-plist)))
 541          ;; The following two are dynamically scoped into other
 542          ;; routines below.
 543          (org-current-export-dir
 544           (or pub-dir (org-export-directory :html opt-plist)))
 545          (org-current-export-file buffer-file-name)
 546          (level 0) (line "") (origline "") txt todo
 547          (umax nil)
 548          (umax-toc nil)
 549          (filename (if to-buffer nil
 550                      (expand-file-name
 551                       (concat
 552                        (file-name-sans-extension
 553                         (or (and subtree-p
 554                                  (org-entry-get (region-beginning)
 555                                                 "EXPORT_FILE_NAME" t))
 556                             (file-name-nondirectory buffer-file-name)))
 557                        "." html-extension)
 558                       (file-name-as-directory
 559                        (or pub-dir (org-export-directory :html opt-plist))))))
 560          (current-dir (if buffer-file-name
 561                           (file-name-directory buffer-file-name)
 562                         default-directory))
 563          (buffer (if to-buffer
 564                      (cond
 565                       ((eq to-buffer 'string) (get-buffer-create "*Org HTML Export*"))
 566                       (t (get-buffer-create to-buffer)))
 567                    (find-file-noselect filename)))
 568          (org-levels-open (make-vector org-level-max nil))
 569          (date (plist-get opt-plist :date))
 570          (author      (plist-get opt-plist :author))
 571          (title       (or (and subtree-p (org-export-get-title-from-subtree))
 572                           (plist-get opt-plist :title)
 573                           (and (not
 574                                 (plist-get opt-plist :skip-before-1st-heading))
 575                                (org-export-grab-title-from-buffer))
 576                           (and buffer-file-name
 577                                (file-name-sans-extension
 578                                 (file-name-nondirectory buffer-file-name)))
 579                           "UNTITLED"))
 580          (html-table-tag (plist-get opt-plist :html-table-tag))
 581          (quote-re0   (concat "^[ \t]*" org-quote-string "\\>"))
 582          (quote-re    (concat "^\\(\\*+\\)\\([ \t]+" org-quote-string "\\>\\)"))
 583          (inquote     nil)
 584          (infixed     nil)
 585          (inverse     nil)
 586          (in-local-list nil)
 587          (local-list-type nil)
 588          (local-list-indent nil)
 589          (llt org-plain-list-ordered-item-terminator)
 590          (email       (plist-get opt-plist :email))
 591          (language    (plist-get opt-plist :language))
 592          (keywords    (plist-get opt-plist :keywords))
 593          (description (plist-get opt-plist :description))
 594          (lang-words  nil)
 595          (head-count  0) cnt
 596          (start       0)
 597          (coding-system (and (boundp 'buffer-file-coding-system)
 598                              buffer-file-coding-system))
 599          (coding-system-for-write (or org-export-html-coding-system
 600                                       coding-system))
 601          (save-buffer-coding-system (or org-export-html-coding-system
 602                                         coding-system))
 603          (charset (and coding-system-for-write
 604                        (fboundp 'coding-system-get)
 605                        (coding-system-get coding-system-for-write
 606                                           'mime-charset)))
 607          (region
 608           (buffer-substring
 609            (if region-p (region-beginning) (point-min))
 610            (if region-p (region-end) (point-max))))
 611          (lines
 612           (org-split-string
 613            (org-export-preprocess-string
 614             region
 615             :emph-multiline t
 616             :for-html t
 617             :skip-before-1st-heading
 618             (plist-get opt-plist :skip-before-1st-heading)
 619             :drawers (plist-get opt-plist :drawers)
 620             :todo-keywords (plist-get opt-plist :todo-keywords)
 621             :tags (plist-get opt-plist :tags)
 622             :priority (plist-get opt-plist :priority)
 623             :footnotes (plist-get opt-plist :footnotes)
 624             :timestamps (plist-get opt-plist :timestamps)
 625             :archived-trees
 626             (plist-get opt-plist :archived-trees)
 627             :select-tags (plist-get opt-plist :select-tags)
 628             :exclude-tags (plist-get opt-plist :exclude-tags)
 629             :add-text
 630             (plist-get opt-plist :text)
 631             :LaTeX-fragments
 632             (plist-get opt-plist :LaTeX-fragments))
 633            "[\r\n]"))
 634          table-open type
 635          table-buffer table-orig-buffer
 636          ind item-type starter didclose
 637          rpl path attr desc descp desc1 desc2 link
 638          snumber fnc item-tag
 639          footnotes footref-seen
 640          id-file href
 641          )
 642
 643     (let ((inhibit-read-only t))
 644       (org-unmodified
 645        (remove-text-properties (point-min) (point-max)
 646                                '(:org-license-to-kill t))))
 647
 648     (message "Exporting...")
 649
 650     (setq org-min-level (org-get-min-level lines level-offset))
 651     (setq org-last-level org-min-level)
 652     (org-init-section-numbers)
 653
 654     (cond
 655      ((and date (string-match "%" date))
 656       (setq date (format-time-string date)))
 657      (date)
 658      (t (setq date (format-time-string "%Y-%m-%d %T %Z"))))
 659
 660     ;; Get the language-dependent settings
 661     (setq lang-words (or (assoc language org-export-language-setup)
 662                          (assoc "en" org-export-language-setup)))
 663
 664     ;; Switch to the output buffer
 665     (set-buffer buffer)
 666     (let ((inhibit-read-only t)) (erase-buffer))
 667     (fundamental-mode)
 668
 669     (and (fboundp 'set-buffer-file-coding-system)
 670          (set-buffer-file-coding-system coding-system-for-write))
 671
 672     (let ((case-fold-search nil)
 673           (org-odd-levels-only odd))
 674       ;; create local variables for all options, to make sure all called
 675       ;; functions get the correct information
 676       (mapc (lambda (x)
 677               (set (make-local-variable (nth 2 x))
 678                    (plist-get opt-plist (car x))))
 679             org-export-plist-vars)
 680       (setq umax (if arg (prefix-numeric-value arg)
 681                    org-export-headline-levels))
 682       (setq umax-toc (if (integerp org-export-with-toc)
 683                          (min org-export-with-toc umax)
 684                        umax))
 685       (unless body-only
 686         ;; File header
 687         (insert (format
 688                  "%s
 689 <!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
 690                \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">
 691 <html xmlns=\"http://www.w3.org/1999/xhtml\"
 692 lang=\"%s\" xml:lang=\"%s\">
 693 <head>
 694 <title>%s</title>
 695 <meta http-equiv=\"Content-Type\" content=\"text/html;charset=%s\"/>
 696 <meta name=\"generator\" content=\"Org-mode\"/>
 697 <meta name=\"generated\" content=\"%s\"/>
 698 <meta name=\"author\" content=\"%s\"/>
 699 <meta name=\"description\" content=\"%s\"/>
 700 <meta name=\"keywords\" content=\"%s\"/>
 701 %s
 702 </head>
 703 <body>
 704 <div id=\"content\">
 705 "
 706                  (format
 707                   (or (and (stringp org-export-html-xml-declaration)
 708                            org-export-html-xml-declaration)
 709                       (cdr (assoc html-extension org-export-html-xml-declaration))
 710                       (cdr (assoc "html" org-export-html-xml-declaration))
 711
 712                       "")
 713                   (or charset "iso-8859-1"))
 714                  language language (org-html-expand title)
 715                  (or charset "iso-8859-1")
 716                  date author description keywords
 717                  style))
 718
 719         (insert (or (plist-get opt-plist :preamble) ""))
 720
 721         (when (plist-get opt-plist :auto-preamble)
 722           (if title (insert (format org-export-html-title-format
 723                                     (org-html-expand title))))))
 724
 725       (if (and org-export-with-toc (not body-only))
 726           (progn
 727             (push (format "<h%d>%s</h%d>\n"
 728                           org-export-html-toplevel-hlevel
 729                           (nth 3 lang-words)
 730                           org-export-html-toplevel-hlevel)
 731                   thetoc)
 732             (push "<div id=\"text-table-of-contents\">\n" thetoc)
 733             (push "<ul>\n<li>" thetoc)
 734             (setq lines
 735                   (mapcar '(lambda (line)
 736                     (if (string-match org-todo-line-regexp line)
 737                         ;; This is a headline
 738                         (progn
 739                           (setq have-headings t)
 740                           (setq level (- (match-end 1) (match-beginning 1)
 741                                          level-offset)
 742                                 level (org-tr-level level)
 743                                 txt (save-match-data
 744                                       (org-html-expand
 745                                        (org-export-cleanup-toc-line
 746                                         (match-string 3 line))))
 747                                 todo
 748                                 (or (and org-export-mark-todo-in-toc
 749                                          (match-beginning 2)
 750                                          (not (member (match-string 2 line)
 751                                                       org-done-keywords)))
 752                                         ; TODO, not DONE
 753                                     (and org-export-mark-todo-in-toc
 754                                          (= level umax-toc)
 755                                          (org-search-todo-below
 756                                           line lines level))))
 757                           (if (string-match
 758                                (org-re "[ \t]+:\\([[:alnum:]_@:]+\\):[ \t]*$") txt)
 759                               (setq txt (replace-match  "&nbsp;&nbsp;&nbsp;<span class=\"tag\"> \\1</span>" t nil txt)))
 760                           (if (string-match quote-re0 txt)
 761                               (setq txt (replace-match "" t t txt)))
 762                           (setq snumber (org-section-number level))
 763                           (if org-export-with-section-numbers
 764                               (setq txt (concat snumber " " txt)))
 765                           (if (<= level (max umax umax-toc))
 766                               (setq head-count (+ head-count 1)))
 767                           (if (<= level umax-toc)
 768                               (progn
 769                                 (if (> level org-last-level)
 770                                     (progn
 771                                       (setq cnt (- level org-last-level))
 772                                       (while (>= (setq cnt (1- cnt)) 0)
 773                                         (push "\n<ul>\n<li>" thetoc))
 774                                       (push "\n" thetoc)))
 775                                 (if (< level org-last-level)
 776                                     (progn
 777                                       (setq cnt (- org-last-level level))
 778                                       (while (>= (setq cnt (1- cnt)) 0)
 779                                         (push "</li>\n</ul>" thetoc))
 780                                       (push "\n" thetoc)))
 781                                 ;; Check for targets
 782                                 (while (string-match org-any-target-regexp line)
 783                                   (setq line (replace-match
 784                                               (concat "@<span class=\"target\">" (match-string 1 line) "@</span> ")
 785                                               t t line)))
 786                                 (while (string-match "&lt;\\(&lt;\\)+\\|&gt;\\(&gt;\\)+" txt)
 787                                   (setq txt (replace-match "" t t txt)))
 788                                 (setq href (format "sec-%s" snumber))
 789                                 (setq href (or (cdr (assoc href org-export-preferred-target-alist)) href))
 790                                 (push
 791                                  (format
 792                                   (if todo
 793                                       "</li>\n<li><a href=\"#%s\"><span class=\"todo\">%s</span></a>"
 794                                     "</li>\n<li><a href=\"#%s\">%s</a>")
 795                                   href txt) thetoc)
 796
 797                                 (setq org-last-level level))
 798                             )))
 799                     line)
 800                           lines))
 801             (while (> org-last-level (1- org-min-level))
 802               (setq org-last-level (1- org-last-level))
 803               (push "</li>\n</ul>\n" thetoc))
 804             (push "</div>\n" thetoc)
 805             (setq thetoc (if have-headings (nreverse thetoc) nil))))
 806
 807       (setq head-count 0)
 808       (org-init-section-numbers)
 809
 810       (org-open-par)
 811
 812       (while (setq line (pop lines) origline line)
 813         (catch 'nextline
 814
 815           ;; end of quote section?
 816           (when (and inquote (string-match "^\\*+ " line))
 817             (insert "</pre>\n")
 818             (org-open-par)
 819             (setq inquote nil))
 820           ;; inside a quote section?
 821           (when inquote
 822             (insert (org-html-protect line) "\n")
 823             (throw 'nextline nil))
 824
 825           ;; Fixed-width, verbatim lines (examples)
 826           (when (and org-export-with-fixed-width
 827                      (string-match "^[ \t]*:\\(\\([ \t]\\|$\\)\\(.*\\)\\)" line))
 828             (when (not infixed)
 829               (setq infixed t)
 830               (org-close-par-maybe)
 831
 832               (insert "<pre class=\"example\">\n"))
 833             (insert (org-html-protect (match-string 3 line)) "\n")
 834             (when (or (not lines)
 835                       (not (string-match "^[ \t]*:\\(\\([ \t]\\|$\\)\\(.*\\)\\)"
 836                                          (car lines))))
 837               (setq infixed nil)
 838               (insert "</pre>\n")
 839               (org-open-par))
 840             (throw 'nextline nil))
 841
 842           (org-export-html-close-lists-maybe line)
 843
 844           ;; Protected HTML
 845           (when (get-text-property 0 'org-protected line)
 846             (let (par)
 847               (when (re-search-backward
 848                      "\\(<p>\\)\\([ \t\r\n]*\\)\\=" (- (point) 100) t)
 849                 (setq par (match-string 1))
 850                 (replace-match "\\2\n"))
 851               (insert line "\n")
 852               (while (and lines
 853                           (or (= (length (car lines)) 0)
 854                               (get-text-property 0 'org-protected (car lines))))
 855                 (insert (pop lines) "\n"))
 856               (and par (insert "<p>\n")))
 857             (throw 'nextline nil))
 858
 859           ;; Horizontal line
 860           (when (string-match "^[ \t]*-\\{5,\\}[ \t]*$" line)
 861             (if org-par-open
 862                 (insert "\n</p>\n<hr/>\n<p>\n")
 863               (insert "\n<hr/>\n"))
 864             (throw 'nextline nil))
 865
 866           ;; Blockquotes, verse, and center
 867           (when (equal "ORG-BLOCKQUOTE-START" line)
 868             (org-close-par-maybe)
 869             (insert "<blockquote>\n")
 870             (org-open-par)
 871             (throw 'nextline nil))
 872           (when (equal "ORG-BLOCKQUOTE-END" line)
 873             (org-close-par-maybe)
 874             (insert "\n</blockquote>\n")
 875             (org-open-par)
 876             (throw 'nextline nil))
 877           (when (equal "ORG-VERSE-START" line)
 878             (org-close-par-maybe)
 879             (insert "\n<p class=\"verse\">\n")
 880             (setq inverse t)
 881             (throw 'nextline nil))
 882           (when (equal "ORG-VERSE-END" line)
 883             (insert "</p>\n")
 884             (org-open-par)
 885             (setq inverse nil)
 886             (throw 'nextline nil))
 887           (when (equal "ORG-CENTER-START" line)
 888             (org-close-par-maybe)
 889             (insert "\n<div style=\"text-align: center\">")
 890             (org-open-par)
 891             (throw 'nextline nil))
 892           (when (equal "ORG-CENTER-END" line)
 893             (org-close-par-maybe)
 894             (insert "\n</div>")
 895             (org-open-par)
 896             (throw 'nextline nil))
 897           (run-hooks 'org-export-html-after-blockquotes-hook)
 898           (when inverse
 899             (let ((i (org-get-string-indentation line)))
 900               (if (> i 0)
 901                   (setq line (concat (mapconcat 'identity
 902                                                 (make-list (* 2 i) "\\nbsp") "")
 903                                      " " (org-trim line))))
 904               (unless (string-match "\\\\\\\\[ \t]*$" line)
 905                 (setq line (concat line "\\\\")))))
 906
 907           ;; make targets to anchors
 908           (while (string-match
 909                   "<<<?\\([^<>]*\\)>>>?\\((INVISIBLE)\\)?[ \t]*\n?" line)
 910             (cond
 911              ((match-end 2)
 912               (setq line (replace-match
 913                           (format
 914                            "@<a name=\"%s\" id=\"%s\">@</a>"
 915                            (org-solidify-link-text (match-string 1 line))
 916                            (org-solidify-link-text (match-string 1 line)))
 917                           t t line)))
 918              ((and org-export-with-toc (equal (string-to-char line) ?*))
 919               ;; FIXME: NOT DEPENDENT on TOC?????????????????????
 920               (setq line (replace-match
 921                           (concat "@<span class=\"target\">" (match-string 1 line) "@</span> ")
 922 ;                         (concat "@<i>" (match-string 1 line) "@</i> ")
 923                           t t line)))
 924              (t
 925               (setq line (replace-match
 926                           (concat "@<a name=\""
 927                                   (org-solidify-link-text (match-string 1 line))
 928                                   "\" class=\"target\">" (match-string 1 line) "@</a> ")
 929                           t t line)))))
 930
 931           (setq line (org-html-handle-time-stamps line))
 932
 933           ;; replace "&" by "&amp;", "<" and ">" by "&lt;" and "&gt;"
 934           ;; handle @<..> HTML tags (replace "@&gt;..&lt;" by "<..>")
 935           ;; Also handle sub_superscripts and checkboxes
 936           (or (string-match org-table-hline-regexp line)
 937               (setq line (org-html-expand line)))
 938
 939           ;; Format the links
 940           (setq start 0)
 941           (while (string-match org-bracket-link-analytic-regexp++ line start)
 942             (setq start (match-beginning 0))
 943             (setq path (save-match-data (org-link-unescape
 944                                          (match-string 3 line))))
 945             (setq type (cond
 946                         ((match-end 2) (match-string 2 line))
 947                         ((save-match-data
 948                            (or (file-name-absolute-p path)
 949                                (string-match "^\\.\\.?/" path)))
 950                          "file")
 951                         (t "internal")))
 952             (setq path (org-extract-attributes (org-link-unescape path)))
 953             (setq attr (get-text-property 0 'org-attributes path))
 954             (setq desc1 (if (match-end 5) (match-string 5 line))
 955                   desc2 (if (match-end 2) (concat type ":" path) path)
 956                   descp (and desc1 (not (equal desc1 desc2)))
 957                   desc (or desc1 desc2))
 958             ;; Make an image out of the description if that is so wanted
 959             (when (and descp (org-file-image-p
 960                               desc org-export-html-inline-image-extensions))
 961               (save-match-data
 962                 (if (string-match "^file:" desc)
 963                     (setq desc (substring desc (match-end 0)))))
 964               (setq desc (org-add-props
 965                              (concat "<img src=\"" desc "\"/>")
 966                              '(org-protected t))))
 967             ;; FIXME: do we need to unescape here somewhere?
 968             (cond
 969              ((equal type "internal")
 970               (setq rpl
 971                     (concat
 972                      "<a href=\""
 973                      (if (= (string-to-char path) ?#) "" "#")
 974                      (org-solidify-link-text
 975                       (save-match-data (org-link-unescape path)) nil)
 976                      "\"" attr ">"
 977                      (org-export-html-format-desc desc)
 978                      "</a>")))
 979              ((and (equal type "id")
 980                    (setq id-file (org-id-find-id-file path)))
 981               ;; This is an id: link to another file (if it was the same file,
 982               ;; it would have become an internal link...)
 983               (setq id-file (file-relative-name
 984                              id-file (file-name-directory org-current-export-file)))
 985               (setq id-file (concat (file-name-sans-extension id-file)
 986                                     "." html-extension))
 987               (setq rpl (concat "<a href=\"" id-file "#"
 988                                 (if (org-uuidgen-p path) "ID-")
 989                                 path "\""
 990                                 attr ">"
 991                                 (org-export-html-format-desc desc)
 992                                 "</a>")))
 993              ((member type '("http" "https"))
 994               ;; standard URL, just check if we need to inline an image
 995               (if (and (or (eq t org-export-html-inline-images)
 996                            (and org-export-html-inline-images (not descp)))
 997                        (org-file-image-p
 998                         path org-export-html-inline-image-extensions))
 999                   (setq rpl (org-export-html-format-image
1000                              (concat type ":" path) org-par-open))
1001                 (setq link (concat type ":" path))
1002                 (setq rpl (concat "<a href=\""
1003                                   (org-export-html-format-href link)
1004                                   "\"" attr ">"
1005                                   (org-export-html-format-desc desc)
1006                                   "</a>"))))
1007              ((member type '("ftp" "mailto" "news"))
1008               ;; standard URL
1009               (setq link (concat type ":" path))
1010               (setq rpl (concat "<a href=\""
1011                                 (org-export-html-format-href link)
1012                                 "\"" attr ">"
1013                                 (org-export-html-format-desc desc)
1014                                 "</a>")))
1015
1016              ((string= type "coderef")
1017               (setq rpl (format "<a href=\"#coderef-%s\" class=\"coderef\" onmouseover=\"CodeHighlightOn(this, 'coderef-%s');\" onmouseout=\"CodeHighlightOff(this, 'coderef-%s');\">%s</a>"
1018                                 path path path
1019                                 (format (org-export-get-coderef-format path (and descp desc))
1020                                         (cdr (assoc path org-export-code-refs))))))
1021
1022              ((functionp (setq fnc (nth 2 (assoc type org-link-protocols))))
1023               ;; The link protocol has a function for format the link
1024               (setq rpl
1025                     (save-match-data
1026                       (funcall fnc (org-link-unescape path) desc1 'html))))
1027
1028              ((string= type "file")
1029               ;; FILE link
1030               (let* ((filename path)
1031                      (abs-p (file-name-absolute-p filename))
1032                      thefile file-is-image-p search)
1033                 (save-match-data
1034                   (if (string-match "::\\(.*\\)" filename)
1035                       (setq search (match-string 1 filename)
1036                             filename (replace-match "" t nil filename)))
1037                   (setq valid
1038                         (if (functionp link-validate)
1039                             (funcall link-validate filename current-dir)
1040                           t))
1041                   (setq file-is-image-p
1042                         (org-file-image-p
1043                          filename org-export-html-inline-image-extensions))
1044                   (setq thefile (if abs-p (expand-file-name filename) filename))
1045                   (when (and org-export-html-link-org-files-as-html
1046                              (string-match "\\.org$" thefile))
1047                     (setq thefile (concat (substring thefile 0
1048                                                      (match-beginning 0))
1049                                           "." html-extension))
1050                     (if (and search
1051                              ;; make sure this is can be used as target search
1052                              (not (string-match "^[0-9]*$" search))
1053                              (not (string-match "^\\*" search))
1054                              (not (string-match "^/.*/$" search)))
1055                         (setq thefile (concat thefile "#"
1056                                               (org-solidify-link-text
1057                                                (org-link-unescape search)))))
1058                     (when (string-match "^file:" desc)
1059                       (setq desc (replace-match "" t t desc))
1060                       (if (string-match "\\.org$" desc)
1061                           (setq desc (replace-match "" t t desc))))))
1062                 (setq rpl (if (and file-is-image-p
1063                                    (or (eq t org-export-html-inline-images)
1064                                        (and org-export-html-inline-images
1065                                             (not descp))))
1066                               (progn
1067                                 (message "image %s %s" thefile org-par-open)
1068                                 (org-export-html-format-image thefile org-par-open))
1069                             (concat "<a href=\"" thefile "\"" attr ">"
1070                                     (org-export-html-format-desc desc)
1071                                     "</a>")))
1072                 (if (not valid) (setq rpl desc))))
1073
1074              (t
1075               ;; just publish the path, as default
1076               (setq rpl (concat "<i>&lt;" type ":"
1077                                 (save-match-data (org-link-unescape path))
1078                                 "&gt;</i>"))))
1079             (setq line (replace-match rpl t t line)
1080                   start (+ start (length rpl))))
1081
1082           ;; TODO items
1083           (if (and (string-match org-todo-line-regexp line)
1084                    (match-beginning 2))
1085
1086               (setq line
1087                     (concat (substring line 0 (match-beginning 2))
1088                             "<span class=\""
1089                             (if (member (match-string 2 line)
1090                                         org-done-keywords)
1091                                 "done" "todo")
1092                             " " (match-string 2 line)
1093                             "\"> " (org-export-html-get-todo-kwd-class-name
1094                                     (match-string 2 line))
1095                             "</span>" (substring line (match-end 2)))))
1096
1097           ;; Does this contain a reference to a footnote?
1098           (when org-export-with-footnotes
1099             (setq start 0)
1100             (while (string-match "\\([^* \t].*?\\)\\[\\([0-9]+\\)\\]" line start)
1101               (if (get-text-property (match-beginning 2) 'org-protected line)
1102                   (setq start (match-end 2))
1103                 (let ((n (match-string 2 line)) extra a)
1104                   (if (setq a (assoc n footref-seen))
1105                       (progn
1106                         (setcdr a (1+ (cdr a)))
1107                         (setq extra (format ".%d" (cdr a))))
1108                     (setq extra "")
1109                     (push (cons n 1) footref-seen))
1110                   (setq line
1111                         (replace-match
1112                          (format
1113                           "%s<sup><a class=\"footref\" name=\"fnr.%s%s\" href=\"#fn.%s\">%s</a></sup>"
1114                           (match-string 1 line) n extra n n)
1115                          t t line))))))
1116
1117           (cond
1118            ((string-match "^\\(\\*+\\)[ \t]+\\(.*\\)" line)
1119             ;; This is a headline
1120             (setq level (org-tr-level (- (match-end 1) (match-beginning 1)
1121                                          level-offset))
1122                   txt (match-string 2 line))
1123             (if (string-match quote-re0 txt)
1124                 (setq txt (replace-match "" t t txt)))
1125             (if (<= level (max umax umax-toc))
1126                 (setq head-count (+ head-count 1)))
1127             (when in-local-list
1128               ;; Close any local lists before inserting a new header line
1129               (while local-list-type
1130                 (org-close-li (car local-list-type))
1131                 (insert (format "</%sl>\n" (car local-list-type)))
1132                 (pop local-list-type))
1133               (setq local-list-indent nil
1134                     in-local-list nil))
1135             (setq first-heading-pos (or first-heading-pos (point)))
1136             (org-html-level-start level txt umax
1137                                   (and org-export-with-toc (<= level umax))
1138                                   head-count)
1139
1140             ;; QUOTES
1141             (when (string-match quote-re line)
1142               (org-close-par-maybe)
1143               (insert "<pre>")
1144               (setq inquote t)))
1145
1146            ((string-match "^[ \t]*- __+[ \t]*$" line)
1147             ;; Explicit list closure
1148             (when local-list-type
1149               (let ((ind (org-get-indentation line)))
1150                 (while (and local-list-indent
1151                             (<= ind (car local-list-indent)))
1152                   (org-close-li (car local-list-type))
1153                   (insert (format "</%sl>\n" (car local-list-type)))
1154                   (pop local-list-type)
1155                   (pop local-list-indent))
1156                 (or local-list-indent (setq in-local-list nil))))
1157             (throw 'nextline nil))
1158
1159            ((and org-export-with-tables
1160                  (string-match "^\\([ \t]*\\)\\(|\\|\\+-+\\+\\)" line))
1161             (when (not table-open)
1162               ;; New table starts
1163               (setq table-open t table-buffer nil table-orig-buffer nil))
1164
1165             ;; Accumulate lines
1166             (setq table-buffer (cons line table-buffer)
1167                   table-orig-buffer (cons origline table-orig-buffer))
1168             (when (or (not lines)
1169                       (not (string-match "^\\([ \t]*\\)\\(|\\|\\+-+\\+\\)"
1170                                          (car lines))))
1171               (setq table-open nil
1172                     table-buffer (nreverse table-buffer)
1173                     table-orig-buffer (nreverse table-orig-buffer))
1174               (org-close-par-maybe)
1175               (insert (org-format-table-html table-buffer table-orig-buffer))))
1176            (t
1177             ;; Normal lines
1178             (when (string-match
1179                    (cond
1180                     ((eq llt t) "^\\([ \t]*\\)\\(\\([-+*] \\)\\|\\([0-9]+[.)]\\) \\)?\\( *[^ \t\n\r]\\|[ \t]*$\\)")
1181                     ((= llt ?.) "^\\([ \t]*\\)\\(\\([-+*] \\)\\|\\([0-9]+\\.\\) \\)?\\( *[^ \t\n\r]\\|[ \t]*$\\)")
1182                     ((= llt ?\)) "^\\([ \t]*\\)\\(\\([-+*] \\)\\|\\([0-9]+)\\) \\)?\\( *[^ \t\n\r]\\|[ \t]*$\\)")
1183                     (t (error "Invalid value of `org-plain-list-ordered-item-terminator'")))
1184                    line)
1185               (setq ind (or (get-text-property 0 'original-indentation line)
1186                             (org-get-string-indentation line))
1187                     item-type (if (match-beginning 4) "o" "u")
1188                     starter (if (match-beginning 2)
1189                                 (substring (match-string 2 line) 0 -1))
1190                     line (substring line (match-beginning 5))
1191                     item-tag nil)
1192               (if (and starter (string-match "\\(.*?\\) ::[ \t]*" line))
1193                   (setq item-type "d"
1194                         item-tag (match-string 1 line)
1195                         line (substring line (match-end 0))))
1196               (when (and (not (equal item-type "d"))
1197                          (not (string-match "[^ \t]" line)))
1198                 ;; empty line.  Pretend indentation is large.
1199                 (setq ind (if org-empty-line-terminates-plain-lists
1200                               0
1201                             (1+ (or (car local-list-indent) 1)))))
1202               (setq didclose nil)
1203               (while (and in-local-list
1204                           (or (and (= ind (car local-list-indent))
1205                                    (not starter))
1206                               (< ind (car local-list-indent))))
1207                 (setq didclose t)
1208                 (org-close-li (car local-list-type))
1209                 (insert (format "</%sl>\n" (car local-list-type)))
1210                 (pop local-list-type) (pop local-list-indent)
1211                 (setq in-local-list local-list-indent))
1212               (cond
1213                ((and starter
1214                      (or (not in-local-list)
1215                          (> ind (car local-list-indent))))
1216                 ;; Start new (level of) list
1217                 (org-close-par-maybe)
1218                 (insert (cond
1219                          ((equal item-type "u") "<ul>\n<li>\n")
1220                          ((equal item-type "o") "<ol>\n<li>\n")
1221                          ((equal item-type "d")
1222                           (format "<dl>\n<dt>%s</dt><dd>\n" item-tag))))
1223                 (push item-type local-list-type)
1224                 (push ind local-list-indent)
1225                 (setq in-local-list t))
1226                (starter
1227                 ;; continue current list
1228                 (org-close-li (car local-list-type))
1229                 (insert (cond
1230                          ((equal (car local-list-type) "d")
1231                           (format "<dt>%s</dt><dd>\n" (or item-tag "???")))
1232                          (t "<li>\n"))))
1233                (didclose
1234                 ;; we did close a list, normal text follows: need <p>
1235                 (org-open-par)))
1236               (if (string-match "^[ \t]*\\[\\([X ]\\)\\]" line)
1237                   (setq line
1238                         (replace-match
1239                          (if (equal (match-string 1 line) "X")
1240                              "<b>[X]</b>"
1241                            "<b>[<span style=\"visibility:hidden;\">X</span>]</b>")
1242                            t t line))))
1243
1244             ;; Empty lines start a new paragraph.  If hand-formatted lists
1245             ;; are not fully interpreted, lines starting with "-", "+", "*"
1246             ;; also start a new paragraph.
1247             (if (string-match "^ [-+*]-\\|^[ \t]*$" line) (org-open-par))
1248
1249             ;; Is this the start of a footnote?
1250             (when org-export-with-footnotes
1251               (when (and (boundp 'footnote-section-tag-regexp)
1252                          (string-match (concat "^" footnote-section-tag-regexp)
1253                                        line))
1254                 ;; ignore this line
1255                 (throw 'nextline nil))
1256               (when (string-match "^[ \t]*\\[\\([0-9]+\\)\\]" line)
1257                 (org-close-par-maybe)
1258                 (let ((n (match-string 1 line)))
1259                   (setq org-par-open t
1260                         line (replace-match
1261                               (format "<p class=\"footnote\"><sup><a class=\"footnum\" name=\"fn.%s\" href=\"#fnr.%s\">%s</a></sup>" n n n) t t line)))))
1262
1263             ;; Check if the line break needs to be conserved
1264             (cond
1265              ((string-match "\\\\\\\\[ \t]*$" line)
1266               (setq line (replace-match "<br/>" t t line)))
1267              (org-export-preserve-breaks
1268               (setq line (concat line "<br/>"))))
1269
1270             ;; Check if a paragraph should be started
1271             (let ((start 0))
1272               (while (and org-par-open
1273                           (string-match "\\\\par\\>" line start))
1274                 ;; Leave a space in the </p> so that the footnote matcher
1275                 ;; does not see this.
1276                 (if (not (get-text-property (match-beginning 0)
1277                                             'org-protected line))
1278                     (setq line (replace-match "</p ><p >" t t line)))
1279                 (setq start (match-end 0))))
1280
1281             (insert line "\n")))))
1282
1283       ;; Properly close all local lists and other lists
1284       (when inquote
1285         (insert "</pre>\n")
1286         (org-open-par))
1287       (when in-local-list
1288         ;; Close any local lists before inserting a new header line
1289         (while local-list-type
1290           (org-close-li (car local-list-type))
1291           (insert (format "</%sl>\n" (car local-list-type)))
1292           (pop local-list-type))
1293         (setq local-list-indent nil
1294               in-local-list nil))
1295       (org-html-level-start 1 nil umax
1296                             (and org-export-with-toc (<= level umax))
1297                             head-count)
1298       ;; the </div> to close the last text-... div.
1299       (when (and (> umax 0) first-heading-pos) (insert "</div>\n"))
1300
1301       (save-excursion
1302         (goto-char (point-min))
1303         (while (re-search-forward "<p class=\"footnote\">[^\000]*?\\(</p>\\|\\'\\)" nil t)
1304           (push (match-string 0) footnotes)
1305           (replace-match "" t t)))
1306       (when footnotes
1307         (insert (format org-export-html-footnotes-section
1308                         (or (nth 4 lang-words) "Footnotes")
1309                         (mapconcat 'identity (nreverse footnotes) "\n"))
1310                 "\n"))
1311       (let ((bib (org-export-html-get-bibliography)))
1312         (when bib
1313           (insert "\n" bib "\n")))
1314       (unless body-only
1315         (when (plist-get opt-plist :auto-postamble)
1316           (insert "<div id=\"postamble\">\n")
1317           (when (and org-export-author-info author)
1318             (insert "<p class=\"author\"> "
1319                     (nth 1 lang-words) ": " author "\n")
1320             (when email
1321               (if (listp (split-string email ",+ *"))
1322                   (mapc (lambda(e)
1323                           (insert "<a href=\"mailto:" e "\">&lt;"
1324                                   e "&gt;</a>\n"))
1325                         (split-string email ",+ *"))
1326                 (insert "<a href=\"mailto:" email "\">&lt;"
1327                         email "&gt;</a>\n")))
1328             (insert "</p>\n"))
1329           (when (and date org-export-time-stamp-file)
1330             (insert "<p class=\"date\"> "
1331                     (nth 2 lang-words) ": "
1332                     date "</p>\n"))
1333           (when org-export-creator-info
1334             (insert (format "<p class=\"creator\">HTML generated by org-mode %s in emacs %s</p>\n"
1335                             org-version emacs-major-version)))
1336           (when org-export-html-validation-link
1337             (insert org-export-html-validation-link "\n"))
1338           (insert "</div>"))
1339
1340         (if org-export-html-with-timestamp
1341             (insert org-export-html-html-helper-timestamp))
1342         (insert (or (plist-get opt-plist :postamble) ""))
1343         (insert "\n</div>\n</body>\n</html>\n"))
1344
1345       (unless (plist-get opt-plist :buffer-will-be-killed)
1346         (normal-mode)
1347         (if (eq major-mode default-major-mode) (html-mode)))
1348
1349       ;; insert the table of contents
1350       (goto-char (point-min))
1351       (when thetoc
1352         (if (or (re-search-forward
1353                  "<p>\\s-*\\[TABLE-OF-CONTENTS\\]\\s-*</p>" nil t)
1354                 (re-search-forward
1355                  "\\[TABLE-OF-CONTENTS\\]" nil t))
1356             (progn
1357               (goto-char (match-beginning 0))
1358               (replace-match ""))
1359           (goto-char first-heading-pos)
1360           (when (looking-at "\\s-*</p>")
1361             (goto-char (match-end 0))
1362             (insert "\n")))
1363         (insert "<div id=\"table-of-contents\">\n")
1364         (mapc 'insert thetoc)
1365         (insert "</div>\n"))
1366       ;; remove empty paragraphs and lists
1367       (goto-char (point-min))
1368       (while (re-search-forward "<p>[ \r\n\t]*</p>" nil t)
1369         (replace-match ""))
1370       (goto-char (point-min))
1371       (while (re-search-forward "<li>[ \r\n\t]*</li>\n?" nil t)
1372         (replace-match ""))
1373       (goto-char (point-min))
1374       (while (re-search-forward "</ul>\\s-*<ul>\n?" nil t)
1375         (replace-match ""))
1376       ;; Convert whitespace place holders
1377       (goto-char (point-min))
1378       (let (beg end n)
1379         (while (setq beg (next-single-property-change (point) 'org-whitespace))
1380           (setq n (get-text-property beg 'org-whitespace)
1381                 end (next-single-property-change beg 'org-whitespace))
1382           (goto-char beg)
1383           (delete-region beg end)
1384           (insert (format "<span style=\"visibility:hidden;\">%s</span>"
1385                           (make-string n ?x)))))
1386       (or to-buffer (save-buffer))
1387       (goto-char (point-min))
1388       (or (org-export-push-to-kill-ring "HTML")
1389           (message "Exporting... done"))
1390       (if (eq to-buffer 'string)
1391           (prog1 (buffer-substring (point-min) (point-max))
1392             (kill-buffer (current-buffer)))
1393         (current-buffer)))))
1394
1395 (defun org-export-html-format-href (s)
1396   "Make sure the S is valid as a href reference in an XHTML document."
1397   (save-match-data
1398     (let ((start 0))
1399       (while (string-match "&" s start)
1400         (setq start (+ (match-beginning 0) 3)
1401               s (replace-match "&amp;" t t s)))))
1402   s)
1403
1404 (defun org-export-html-format-desc (s)
1405   "Make sure the S is valid as a description in a link."
1406   (if (and s (not (get-text-property 1 'org-protected s)))
1407       (save-match-data
1408         (org-html-do-expand s))
1409     s))
1410
1411 (defun org-export-html-format-image (src par-open)
1412   "Create image tag with source and attributes."
1413   (save-match-data
1414     (if (string-match "^ltxpng/" src)
1415         (format "<img src=\"%s\"/>" src)
1416       (let* ((caption (org-find-text-property-in-string 'org-caption src))
1417              (attr (org-find-text-property-in-string 'org-attributes src))
1418              (label (org-find-text-property-in-string 'org-label src)))
1419         (format "%s<div %sclass=\"figure\">
1420 <p><img src=\"%s\"%s /></p>%s
1421 </div>%s"
1422                 (if org-par-open "</p>\n" "")
1423                 (if label (format "id=\"%s\" " label) "")
1424                 src
1425                 (if (string-match "\\<alt=" (or attr ""))
1426                     (concat " " attr )
1427                   (concat " " attr " alt=\"" src "\""))
1428                 (if caption (concat "\n<p>" caption "</p>") "")
1429                 (if org-par-open "\n<p>" ""))))))
1430
1431 (defun org-export-html-get-bibliography ()
1432   "Find bibliography, cut it out and return it."
1433   (catch 'exit
1434     (let (beg end (cnt 1) bib)
1435       (save-excursion
1436         (goto-char (point-min))
1437         (when (re-search-forward "^[ \t]*<div \\(id\\|class\\)=\"bibliography\"" nil t)
1438           (setq beg (match-beginning 0))
1439           (while (re-search-forward "</?div\\>" nil t)
1440             (setq cnt (+ cnt (if (string= (match-string 0) "<div") +1 -1)))
1441             (when (= cnt 0)
1442               (and (looking-at ">") (forward-char 1))
1443               (setq bib (buffer-substring beg (point)))
1444               (delete-region beg (point))
1445             (throw 'exit bib))))
1446         nil))))
1447
1448 (defvar org-table-number-regexp) ; defined in org-table.el
1449 (defun org-format-table-html (lines olines)
1450   "Find out which HTML converter to use and return the HTML code."
1451   (if (stringp lines)
1452       (setq lines (org-split-string lines "\n")))
1453   (if (string-match "^[ \t]*|" (car lines))
1454       ;; A normal org table
1455       (org-format-org-table-html lines)
1456     ;; Table made by table.el - test for spanning
1457     (let* ((hlines (delq nil (mapcar
1458                               (lambda (x)
1459                                 (if (string-match "^[ \t]*\\+-" x) x
1460                                   nil))
1461                               lines)))
1462            (first (car hlines))
1463            (ll (and (string-match "\\S-+" first)
1464                     (match-string 0 first)))
1465            (re (concat "^[ \t]*" (regexp-quote ll)))
1466            (spanning (delq nil (mapcar (lambda (x) (not (string-match re x)))
1467                                        hlines))))
1468       (if (and (not spanning)
1469                (not org-export-prefer-native-exporter-for-tables))
1470           ;; We can use my own converter with HTML conversions
1471           (org-format-table-table-html lines)
1472         ;; Need to use the code generator in table.el, with the original text.
1473         (org-format-table-table-html-using-table-generate-source olines)))))
1474
1475 (defvar org-table-number-fraction) ; defined in org-table.el
1476 (defun org-format-org-table-html (lines &optional splice)
1477   "Format a table into HTML."
1478   (require 'org-table)
1479   ;; Get rid of hlines at beginning and end
1480   (if (string-match "^[ \t]*|-" (car lines)) (setq lines (cdr lines)))
1481   (setq lines (nreverse lines))
1482   (if (string-match "^[ \t]*|-" (car lines)) (setq lines (cdr lines)))
1483   (setq lines (nreverse lines))
1484   (when org-export-table-remove-special-lines
1485     ;; Check if the table has a marking column.  If yes remove the
1486     ;; column and the special lines
1487     (setq lines (org-table-clean-before-export lines)))
1488
1489   (let* ((caption (or (get-text-property 0 'org-caption (car lines))
1490                       (get-text-property (or (next-single-property-change
1491                                               0 'org-caption (car lines))
1492                                              0)
1493                                          'org-caption (car lines))))
1494          (attributes (or (get-text-property 0 'org-attributes (car lines))
1495                          (get-text-property (or (next-single-property-change
1496                                                  0 'org-attributes (car lines))
1497                                                 0)
1498                                             'org-attributes (car lines))))
1499          (html-table-tag (org-export-splice-attributes
1500                           html-table-tag attributes))
1501          (head (and org-export-highlight-first-table-line
1502                     (delq nil (mapcar
1503                                (lambda (x) (string-match "^[ \t]*|-" x))
1504                                (cdr lines)))))
1505
1506          (nlines 0) fnum i
1507          tbopen line fields html gr colgropen)
1508     (if splice (setq head nil))
1509     (unless splice (push (if head "<thead>" "<tbody>") html))
1510     (setq tbopen t)
1511     (while (setq line (pop lines))
1512       (catch 'next-line
1513         (if (string-match "^[ \t]*|-" line)
1514             (progn
1515               (unless splice
1516                 (push (if head "</thead>" "</tbody>") html)
1517                 (if lines (push "<tbody>" html) (setq tbopen nil)))
1518               (setq head nil)   ;; head ends here, first time around
1519               ;; ignore this line
1520               (throw 'next-line t)))
1521         ;; Break the line into fields
1522         (setq fields (org-split-string line "[ \t]*|[ \t]*"))
1523         (unless fnum (setq fnum (make-vector (length fields) 0)))
1524         (setq nlines (1+ nlines) i -1)
1525         (push (concat "<tr>"
1526                       (mapconcat
1527                        (lambda (x)
1528                          (setq i (1+ i))
1529                          (if (and (< i nlines)
1530                                   (string-match org-table-number-regexp x))
1531                              (incf (aref fnum i)))
1532                          (cond
1533                           (head
1534                            (concat
1535                             (format (car org-export-table-header-tags) "col")
1536                             x
1537                             (cdr org-export-table-header-tags)))
1538                           ((and (= i 0) org-export-html-table-use-header-tags-for-first-column)
1539                            (concat
1540                             (format (car org-export-table-header-tags) "row")
1541                             x
1542                             (cdr org-export-table-header-tags)))
1543                           (t
1544                            (concat (car org-export-table-data-tags) x
1545                                    (cdr org-export-table-data-tags)))))
1546                        fields "")
1547                       "</tr>")
1548               html)))
1549     (unless splice (if tbopen (push "</tbody>" html)))
1550     (unless splice (push "</table>\n" html))
1551     (setq html (nreverse html))
1552     (unless splice
1553       ;; Put in col tags with the alignment (unfortunately often ignored...)
1554       (push (concat
1555              "<colgroup>"
1556              (mapconcat
1557               (lambda (x)
1558                 (setq gr (pop org-table-colgroup-info))
1559                 (format "<col align=\"%s\" />"
1560                         (if (> (/ (float x) nlines) org-table-number-fraction)
1561                             "right" "left")))
1562               fnum "")
1563              "</colgroup>")
1564             html)
1565
1566       ;; Since the output of HTML table formatter can also be used in
1567       ;; DocBook document, we want to always include the caption to make
1568       ;; DocBook XML file valid.
1569       (push (format "<caption>%s</caption>" (or caption "")) html)
1570       (push html-table-tag html))
1571     (concat (mapconcat 'identity html "\n") "\n")))
1572
1573 (defun org-export-splice-attributes (tag attributes)
1574   "Read attributes in string ATTRIBUTES, add and replace in HTML tag TAG."
1575   (if (not attributes)
1576       tag
1577     (let (oldatt newatt)
1578       (setq oldatt (org-extract-attributes-from-string tag)
1579             tag (pop oldatt)
1580             newatt (cdr (org-extract-attributes-from-string attributes)))
1581       (while newatt
1582         (setq oldatt (plist-put oldatt (pop newatt) (pop newatt))))
1583       (if (string-match ">" tag)
1584           (setq tag
1585                 (replace-match (concat (org-attributes-to-string oldatt) ">")
1586                                t t tag)))
1587       tag)))
1588
1589 (defun org-format-table-table-html (lines)
1590   "Format a table generated by table.el into HTML.
1591 This conversion does *not* use `table-generate-source' from table.el.
1592 This has the advantage that Org-mode's HTML conversions can be used.
1593 But it has the disadvantage, that no cell- or row-spanning is allowed."
1594   (let (line field-buffer
1595              (head org-export-highlight-first-table-line)
1596              fields html empty i)
1597     (setq html (concat html-table-tag "\n"))
1598     (while (setq line (pop lines))
1599       (setq empty "&nbsp;")
1600       (catch 'next-line
1601         (if (string-match "^[ \t]*\\+-" line)
1602             (progn
1603               (if field-buffer
1604                   (progn
1605                     (setq
1606                      html
1607                      (concat
1608                       html
1609                       "<tr>"
1610                       (mapconcat
1611                        (lambda (x)
1612                          (if (equal x "") (setq x empty))
1613                          (if head
1614                              (concat
1615                               (format (car org-export-table-header-tags) "col")
1616                               x
1617                               (cdr org-export-table-header-tags))
1618                            (concat (car org-export-table-data-tags) x
1619                                    (cdr org-export-table-data-tags))))
1620                        field-buffer "\n")
1621                       "</tr>\n"))
1622                     (setq head nil)
1623                     (setq field-buffer nil)))
1624               ;; Ignore this line
1625               (throw 'next-line t)))
1626         ;; Break the line into fields and store the fields
1627         (setq fields (org-split-string line "[ \t]*|[ \t]*"))
1628         (if field-buffer
1629             (setq field-buffer (mapcar
1630                                 (lambda (x)
1631                                   (concat x "<br/>" (pop fields)))
1632                                 field-buffer))
1633           (setq field-buffer fields))))
1634     (setq html (concat html "</table>\n"))
1635     html))
1636
1637 (defun org-format-table-table-html-using-table-generate-source (lines)
1638   "Format a table into html, using `table-generate-source' from table.el.
1639 This has the advantage that cell- or row-spanning is allowed.
1640 But it has the disadvantage, that Org-mode's HTML conversions cannot be used."
1641   (require 'table)
1642   (with-current-buffer (get-buffer-create " org-tmp1 ")
1643     (erase-buffer)
1644     (insert (mapconcat 'identity lines "\n"))
1645     (goto-char (point-min))
1646     (if (not (re-search-forward "|[^+]" nil t))
1647         (error "Error processing table"))
1648     (table-recognize-table)
1649     (with-current-buffer (get-buffer-create " org-tmp2 ") (erase-buffer))
1650     (table-generate-source 'html " org-tmp2 ")
1651     (set-buffer " org-tmp2 ")
1652     (buffer-substring (point-min) (point-max))))
1653
1654 (defun org-export-splice-style (style extra)
1655   "Splice EXTRA into STYLE, just before \"</style>\"."
1656   (if (and (stringp extra)
1657            (string-match "\\S-" extra)
1658            (string-match "</style>" style))
1659       (concat (substring style 0 (match-beginning 0))
1660               "\n" extra "\n"
1661               (substring style (match-beginning 0)))
1662     style))
1663
1664 (defun org-html-handle-time-stamps (s)
1665   "Format time stamps in string S, or remove them."
1666   (catch 'exit
1667     (let (r b)
1668       (while (string-match org-maybe-keyword-time-regexp s)
1669         (or b (setq b (substring s 0 (match-beginning 0))))
1670         (setq r (concat
1671                  r (substring s 0 (match-beginning 0))
1672                  " @<span class=\"timestamp-wrapper\">"
1673                  (if (match-end 1)
1674                      (format "@<span class=\"timestamp-kwd\">%s @</span>"
1675                              (match-string 1 s)))
1676                  (format " @<span class=\"timestamp\">%s@</span>"
1677                          (substring
1678                           (org-translate-time (match-string 3 s)) 1 -1))
1679                  "@</span>")
1680               s (substring s (match-end 0))))
1681       ;; Line break if line started and ended with time stamp stuff
1682       (if (not r)
1683           s
1684         (setq r (concat r s))
1685         (unless (string-match "\\S-" (concat b s))
1686           (setq r (concat r "@<br/>")))
1687         r))))
1688
1689 (defvar htmlize-buffer-places)  ; from htmlize.el
1690 (defun org-export-htmlize-region-for-paste (beg end)
1691   "Convert the region to HTML, using htmlize.el.
1692 This is much like `htmlize-region-for-paste', only that it uses
1693 the settings define in the org-... variables."
1694   (let* ((htmlize-output-type org-export-htmlize-output-type)
1695          (htmlize-css-name-prefix org-export-htmlize-css-font-prefix)
1696          (htmlbuf (htmlize-region beg end)))
1697     (unwind-protect
1698         (with-current-buffer htmlbuf
1699           (buffer-substring (plist-get htmlize-buffer-places 'content-start)
1700                             (plist-get htmlize-buffer-places 'content-end)))
1701       (kill-buffer htmlbuf))))
1702
1703 ;;;###autoload
1704 (defun org-export-htmlize-generate-css ()
1705   "Create the CSS for all font definitions in the current Emacs session.
1706 Use this to create face definitions in your CSS style file that can then
1707 be used by code snippets transformed by htmlize.
1708 This command just produces a buffer that contains class definitions for all
1709 faces used in the current Emacs session.  You can copy and paste the ones you
1710 need into your CSS file.
1711
1712 If you then set `org-export-htmlize-output-type' to `css', calls to
1713 the function `org-export-htmlize-region-for-paste' will produce code
1714 that uses these same face definitions."
1715   (interactive)
1716   (require 'htmlize)
1717   (and (get-buffer "*html*") (kill-buffer "*html*"))
1718   (with-temp-buffer
1719     (let ((fl (face-list))
1720           (htmlize-css-name-prefix "org-")
1721           (htmlize-output-type 'css)
1722           f i)
1723       (while (setq f (pop fl)
1724                    i (and f (face-attribute f :inherit)))
1725         (when (and (symbolp f) (or (not i) (not (listp i))))
1726           (insert (org-add-props (copy-sequence "1") nil 'face f))))
1727       (htmlize-region (point-min) (point-max))))
1728   (switch-to-buffer "*html*")
1729   (goto-char (point-min))
1730   (if (re-search-forward "<style" nil t)
1731       (delete-region (point-min) (match-beginning 0)))
1732   (if (re-search-forward "</style>" nil t)
1733       (delete-region (1+ (match-end 0)) (point-max)))
1734   (beginning-of-line 1)
1735   (if (looking-at " +") (replace-match ""))
1736   (goto-char (point-min)))
1737
1738 (defun org-html-protect (s)
1739   ;; convert & to &amp;, < to &lt; and > to &gt;
1740   (let ((start 0))
1741     (while (string-match "&" s start)
1742       (setq s (replace-match "&amp;" t t s)
1743             start (1+ (match-beginning 0))))
1744     (while (string-match "<" s)
1745       (setq s (replace-match "&lt;" t t s)))
1746     (while (string-match ">" s)
1747       (setq s (replace-match "&gt;" t t s)))
1748 ;    (while (string-match "\"" s)
1749 ;      (setq s (replace-match "&quot;" t t s)))
1750     )
1751   s)
1752
1753 (defun org-html-expand (string)
1754   "Prepare STRING for HTML export.  Applies all active conversions.
1755 If there are links in the string, don't modify these."
1756   (let* ((re (concat org-bracket-link-regexp "\\|"
1757                      (org-re "[ \t]+\\(:[[:alnum:]_@:]+:\\)[ \t]*$")))
1758          m s l res)
1759     (while (setq m (string-match re string))
1760       (setq s (substring string 0 m)
1761             l (match-string 0 string)
1762             string (substring string (match-end 0)))
1763       (push (org-html-do-expand s) res)
1764       (push l res))
1765     (push (org-html-do-expand string) res)
1766     (apply 'concat (nreverse res))))
1767
1768 (defun org-html-do-expand (s)
1769   "Apply all active conversions to translate special ASCII to HTML."
1770   (setq s (org-html-protect s))
1771   (if org-export-html-expand
1772       (while (string-match "@&lt;\\([^&]*\\)&gt;" s)
1773         (setq s (replace-match "<\\1>" t nil s))))
1774   (if org-export-with-emphasize
1775       (setq s (org-export-html-convert-emphasize s)))
1776   (if org-export-with-special-strings
1777       (setq s (org-export-html-convert-special-strings s)))
1778   (if org-export-with-sub-superscripts
1779       (setq s (org-export-html-convert-sub-super s)))
1780   (if org-export-with-TeX-macros
1781       (let ((start 0) wd ass)
1782         (while (setq start (string-match "\\\\\\([a-zA-Z]+\\)\\({}\\)?"
1783                                          s start))
1784           (if (get-text-property (match-beginning 0) 'org-protected s)
1785               (setq start (match-end 0))
1786             (setq wd (match-string 1 s))
1787             (if (setq ass (assoc wd org-html-entities))
1788                 (setq s (replace-match (or (cdr ass)
1789                                            (concat "&" (car ass) ";"))
1790                                        t t s))
1791               (setq start (+ start (length wd))))))))
1792   s)
1793
1794 (defconst org-export-html-special-string-regexps
1795   '(("\\\\-" . "&shy;")
1796     ("---\\([^-]\\)" . "&mdash;\\1")
1797     ("--\\([^-]\\)" . "&ndash;\\1")
1798     ("\\.\\.\\." . "&hellip;"))
1799   "Regular expressions for special string conversion.")
1800
1801 (defun org-export-html-convert-special-strings (string)
1802   "Convert special characters in STRING to HTML."
1803   (let ((all org-export-html-special-string-regexps)
1804         e a re rpl start)
1805     (while (setq a (pop all))
1806       (setq re (car a) rpl (cdr a) start 0)
1807       (while (string-match re string start)
1808         (if (get-text-property (match-beginning 0) 'org-protected string)
1809             (setq start (match-end 0))
1810           (setq string (replace-match rpl t nil string)))))
1811     string))
1812
1813 (defun org-export-html-convert-sub-super (string)
1814   "Convert sub- and superscripts in STRING to HTML."
1815   (let (key c (s 0) (requireb (eq org-export-with-sub-superscripts '{})))
1816     (while (string-match org-match-substring-regexp string s)
1817       (cond
1818        ((and requireb (match-end 8)) (setq s (match-end 2)))
1819        ((get-text-property  (match-beginning 2) 'org-protected string)
1820         (setq s (match-end 2)))
1821        (t
1822         (setq s (match-end 1)
1823               key (if (string= (match-string 2 string) "_") "sub" "sup")
1824               c (or (match-string 8 string)
1825                     (match-string 6 string)
1826                     (match-string 5 string))
1827               string (replace-match
1828                       (concat (match-string 1 string)
1829                               "<" key ">" c "</" key ">")
1830                       t t string)))))
1831     (while (string-match "\\\\\\([_^]\\)" string)
1832       (setq string (replace-match (match-string 1 string) t t string)))
1833     string))
1834
1835 (defun org-export-html-convert-emphasize (string)
1836   "Apply emphasis."
1837   (let ((s 0) rpl)
1838     (while (string-match org-emph-re string s)
1839       (if (not (equal
1840                 (substring string (match-beginning 3) (1+ (match-beginning 3)))
1841                 (substring string (match-beginning 4) (1+ (match-beginning 4)))))
1842           (setq s (match-beginning 0)
1843                 rpl
1844                 (concat
1845                  (match-string 1 string)
1846                  (nth 2 (assoc (match-string 3 string) org-emphasis-alist))
1847                  (match-string 4 string)
1848                  (nth 3 (assoc (match-string 3 string)
1849                                org-emphasis-alist))
1850                  (match-string 5 string))
1851                 string (replace-match rpl t t string)
1852                 s (+ s (- (length rpl) 2)))
1853         (setq s (1+ s))))
1854     string))
1855
1856 (defun org-open-par ()
1857   "Insert <p>, but first close previous paragraph if any."
1858   (org-close-par-maybe)
1859   (insert "\n<p>")
1860   (setq org-par-open t))
1861 (defun org-close-par-maybe ()
1862   "Close paragraph if there is one open."
1863   (when org-par-open
1864     (insert "</p>")
1865     (setq org-par-open nil)))
1866 (defun org-close-li (&optional type)
1867   "Close <li> if necessary."
1868   (org-close-par-maybe)
1869   (insert (if (equal type "d") "</dd>\n" "</li>\n")))
1870
1871 (defvar in-local-list)
1872 (defvar local-list-indent)
1873 (defvar local-list-type)
1874 (defun org-export-html-close-lists-maybe (line)
1875   (let ((ind (or (get-text-property 0 'original-indentation line)
1876                  (org-get-indentation line)))
1877         didclose)
1878     (when ind
1879       (while (and in-local-list
1880                   (<= ind (car local-list-indent)))
1881         (setq didclose t)
1882         (org-close-li (car local-list-type))
1883         (insert (format "</%sl>\n" (car local-list-type)))
1884         (pop local-list-type) (pop local-list-indent)
1885         (setq in-local-list local-list-indent))
1886       (and didclose (org-open-par)))))
1887
1888 (defvar body-only) ; dynamically scoped into this.
1889 (defun org-html-level-start (level title umax with-toc head-count)
1890   "Insert a new level in HTML export.
1891 When TITLE is nil, just close all open levels."
1892   (org-close-par-maybe)
1893   (let* ((target (and title (org-get-text-property-any 0 'target title)))
1894          (extra-targets (assoc target org-export-target-aliases))
1895          (preferred (cdr (assoc target org-export-preferred-target-alist)))
1896          (remove (or preferred target))
1897          (l org-level-max)
1898          snumber href suffix)
1899     (setq extra-targets (remove remove extra-targets))
1900     (setq extra-targets
1901           (mapconcat (lambda (x)
1902                        (if (org-uuidgen-p x) (setq x (concat "ID-" x)))
1903                        (format "<a name=\"%s\" id=\"%s\"></a>"
1904                                x x))
1905                      extra-targets
1906                      ""))
1907     (while (>= l level)
1908       (if (aref org-levels-open (1- l))
1909           (progn
1910             (org-html-level-close l umax)
1911             (aset org-levels-open (1- l) nil)))
1912       (setq l (1- l)))
1913     (when title
1914       ;; If title is nil, this means this function is called to close
1915       ;; all levels, so the rest is done only if title is given
1916         (when (string-match (org-re "\\(:[[:alnum:]_@:]+:\\)[ \t]*$") title)
1917           (setq title (replace-match
1918                        (if org-export-with-tags
1919                            (save-match-data
1920                              (concat
1921                               "&nbsp;&nbsp;&nbsp;<span class=\"tag\">"
1922                               (mapconcat
1923                                (lambda (x)
1924                                  (format "<span class=\"%s\">%s</span>"
1925                                          (org-export-html-get-tag-class-name x)
1926                                          x))
1927                                (org-split-string (match-string 1 title) ":")
1928                                "&nbsp;")
1929                               "</span>"))
1930                          "")
1931                        t t title)))
1932       (if (> level umax)
1933           (progn
1934             (if (aref org-levels-open (1- level))
1935                 (progn
1936                   (org-close-li)
1937                   (if target
1938                       (insert (format "<li id=\"%s\">" target) extra-targets title "<br/>\n")
1939                     (insert "<li>" title "<br/>\n")))
1940               (aset org-levels-open (1- level) t)
1941               (org-close-par-maybe)
1942               (if target
1943                   (insert (format "<ul>\n<li id=\"%s\">" target)
1944                           extra-targets title "<br/>\n")
1945                 (insert "<ul>\n<li>" title "<br/>\n"))))
1946         (aset org-levels-open (1- level) t)
1947         (setq snumber (org-section-number level))
1948         (setq level (+ level org-export-html-toplevel-hlevel -1))
1949         (if (and org-export-with-section-numbers (not body-only))
1950             (setq title (concat
1951                          (format "<span class=\"section-number-%d\">%s</span>"
1952                                  level snumber)
1953                          " " title)))
1954         (unless (= head-count 1) (insert "\n</div>\n"))
1955         (setq href (cdr (assoc (concat "sec-" snumber) org-export-preferred-target-alist)))
1956         (setq suffix (or href snumber))
1957         (setq href (or href (concat "sec-" snumber)))
1958         (insert (format "\n<div id=\"outline-container-%s\" class=\"outline-%d\">\n<h%d id=\"%s\">%s%s</h%d>\n<div class=\"outline-text-%d\" id=\"text-%s\">\n"
1959                         suffix level level href
1960                         extra-targets
1961                         title level level suffix))
1962         (org-open-par)))))
1963
1964 (defun org-export-html-get-tag-class-name (tag)
1965   "Turn tag into a valid class name.
1966 Replaces invalid characters with \"_\" and then prepends a prefix."
1967   (save-match-data
1968     (while (string-match "[^a-zA-Z0-9_]" tag)
1969       (setq tag (replace-match "_" t t tag))))
1970   (concat org-export-html-tag-class-prefix tag))
1971
1972 (defun org-export-html-get-todo-kwd-class-name (kwd)
1973   "Turn todo keyword into a valid class name.
1974 Replaces invalid characters with \"_\" and then prepends a prefix."
1975   (save-match-data
1976     (while (string-match "[^a-zA-Z0-9_]" kwd)
1977       (setq kwd (replace-match "_" t t kwd))))
1978   (concat org-export-html-todo-kwd-class-prefix kwd))
1979
1980 (defun org-html-level-close (level max-outline-level)
1981   "Terminate one level in HTML export."
1982   (if (<= level max-outline-level)
1983       (insert "</div>\n")
1984     (org-close-li)
1985     (insert "</ul>\n")))
1986
1987 (provide 'org-html)
1988
1989 ;; arch-tag: 8109d84d-eb8f-460b-b1a8-f45f3a6c7ea1
1990
1991 ;;; org-html.el ends here