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diff --git a/lisp/ox-html.el b/lisp/ox-html.el new file mode 100644 index 0000000..8794882 --- /dev/null +++ b/lisp/ox-html.el @@ -0,0 +1,3278 @@ +;;; ox-html.el --- HTML Back-End for Org Export Engine + +;; Copyright (C) 2011-2013 Free Software Foundation, Inc. + +;; Author: Carsten Dominik <carsten at orgmode dot org> +;; Jambunathan K <kjambunathan at gmail dot com> +;; Keywords: outlines, hypermedia, calendar, wp + +;; GNU Emacs is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. + +;;; Commentary: + +;; This library implements a HTML back-end for Org generic exporter. + +;; To test it, run: +;; +;; M-x org-html-export-as-html +;; +;; in an Org mode buffer. See ox.el for more details on how this +;; exporter works. + +;;; Code: + +;;; Dependencies + +(require 'ox) +(require 'ox-publish) +(require 'format-spec) +(eval-when-compile (require 'cl) (require 'table)) + + +;;; Function Declarations + +(declare-function org-id-find-id-file "org-id" (id)) +(declare-function htmlize-region "ext:htmlize" (beg end)) +(declare-function org-pop-to-buffer-same-window + "org-compat" (&optional buffer-or-name norecord label)) +(declare-function mm-url-decode-entities "mm-url" ()) + +;;; Define Back-End + +(org-export-define-backend 'html + '((bold . org-html-bold) + (center-block . org-html-center-block) + (clock . org-html-clock) + (code . org-html-code) + (drawer . org-html-drawer) + (dynamic-block . org-html-dynamic-block) + (entity . org-html-entity) + (example-block . org-html-example-block) + (export-block . org-html-export-block) + (export-snippet . org-html-export-snippet) + (fixed-width . org-html-fixed-width) + (footnote-definition . org-html-footnote-definition) + (footnote-reference . org-html-footnote-reference) + (headline . org-html-headline) + (horizontal-rule . org-html-horizontal-rule) + (inline-src-block . org-html-inline-src-block) + (inlinetask . org-html-inlinetask) + (inner-template . org-html-inner-template) + (italic . org-html-italic) + (item . org-html-item) + (keyword . org-html-keyword) + (latex-environment . org-html-latex-environment) + (latex-fragment . org-html-latex-fragment) + (line-break . org-html-line-break) + (link . org-html-link) + (paragraph . org-html-paragraph) + (plain-list . org-html-plain-list) + (plain-text . org-html-plain-text) + (planning . org-html-planning) + (property-drawer . org-html-property-drawer) + (quote-block . org-html-quote-block) + (quote-section . org-html-quote-section) + (radio-target . org-html-radio-target) + (section . org-html-section) + (special-block . org-html-special-block) + (src-block . org-html-src-block) + (statistics-cookie . org-html-statistics-cookie) + (strike-through . org-html-strike-through) + (subscript . org-html-subscript) + (superscript . org-html-superscript) + (table . org-html-table) + (table-cell . org-html-table-cell) + (table-row . org-html-table-row) + (target . org-html-target) + (template . org-html-template) + (timestamp . org-html-timestamp) + (underline . org-html-underline) + (verbatim . org-html-verbatim) + (verse-block . org-html-verse-block)) + :export-block "HTML" + :filters-alist '((:filter-options . org-html-infojs-install-script) + (:filter-final-output . org-html-final-function)) + :menu-entry + '(?h "Export to HTML" + ((?H "As HTML buffer" org-html-export-as-html) + (?h "As HTML file" org-html-export-to-html) + (?o "As HTML file and open" + (lambda (a s v b) + (if a (org-html-export-to-html t s v b) + (org-open-file (org-html-export-to-html nil s v b))))))) + :options-alist + '((:html-extension nil nil org-html-extension) + (:html-link-org-as-html nil nil org-html-link-org-files-as-html) + (:html-doctype "HTML_DOCTYPE" nil org-html-doctype) + (:html-container "HTML_CONTAINER" nil org-html-container-element) + (:html-link-home "HTML_LINK_HOME" nil org-html-link-home) + (:html-link-up "HTML_LINK_UP" nil org-html-link-up) + (:html-mathjax "HTML_MATHJAX" nil "" space) + (:html-postamble nil "html-postamble" org-html-postamble) + (:html-preamble nil "html-preamble" org-html-preamble) + (:html-head "HTML_HEAD" nil org-html-head newline) + (:html-head-extra "HTML_HEAD_EXTRA" nil org-html-head-extra newline) + (:html-head-include-default-style "HTML_INCLUDE_STYLE" nil org-html-head-include-default-style newline) + (:html-head-include-scripts "HTML_INCLUDE_SCRIPTS" nil org-html-head-include-scripts newline) + (:html-table-attributes nil nil org-html-table-default-attributes) + (:html-table-row-tags nil nil org-html-table-row-tags) + (:html-xml-declaration nil nil org-html-xml-declaration) + (:html-inline-images nil nil org-html-inline-images) + (:infojs-opt "INFOJS_OPT" nil nil) + ;; Redefine regular options. + (:creator "CREATOR" nil org-html-creator-string) + (:with-latex nil "tex" org-html-with-latex))) + + +;;; Internal Variables + +(defvar org-html-format-table-no-css) +(defvar htmlize-buffer-places) ; from htmlize.el + +(defvar org-html--pre/postamble-class "status" + "CSS class used for pre/postamble") + +(defconst org-html-special-string-regexps + '(("\\\\-" . "­") ; shy + ("---\\([^-]\\)" . "—\\1") ; mdash + ("--\\([^-]\\)" . "–\\1") ; ndash + ("\\.\\.\\." . "…")) ; hellip + "Regular expressions for special string conversion.") + +(defconst org-html-scripts + "<script type=\"text/javascript\"> +/* +@licstart The following is the entire license notice for the +JavaScript code in this tag. + +Copyright (C) 2012 Free Software Foundation, Inc. + +The JavaScript code in this tag is free software: you can +redistribute it and/or modify it under the terms of the GNU +General Public License (GNU GPL) as published by the Free Software +Foundation, either version 3 of the License, or (at your option) +any later version. The code is distributed WITHOUT ANY WARRANTY; +without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU GPL for more details. + +As additional permission under GNU GPL version 3 section 7, you +may distribute non-source (e.g., minimized or compacted) forms of +that code without the copy of the GNU GPL normally required by +section 4, provided you include this license notice and a URL +through which recipients can access the Corresponding Source. + + +@licend The above is the entire license notice +for the JavaScript code in this tag. +*/ +<!--/*--><![CDATA[/*><!--*/ + function CodeHighlightOn(elem, id) + { + var target = document.getElementById(id); + if(null != target) { + elem.cacheClassElem = elem.className; + elem.cacheClassTarget = target.className; + target.className = \"code-highlighted\"; + elem.className = \"code-highlighted\"; + } + } + function CodeHighlightOff(elem, id) + { + var target = document.getElementById(id); + if(elem.cacheClassElem) + elem.className = elem.cacheClassElem; + if(elem.cacheClassTarget) + target.className = elem.cacheClassTarget; + } +/*]]>*///--> +</script>" + "Basic JavaScript that is needed by HTML files produced by Org mode.") + +(defconst org-html-style-default + "<style type=\"text/css\"> + <!--/*--><![CDATA[/*><!--*/ + .title { text-align: center; } + .todo { font-family: monospace; color: red; } + .done { color: green; } + .tag { background-color: #eee; font-family: monospace; + padding: 2px; font-size: 80%; font-weight: normal; } + .timestamp { color: #bebebe; } + .timestamp-kwd { color: #5f9ea0; } + .right { margin-left: auto; margin-right: 0px; text-align: right; } + .left { margin-left: 0px; margin-right: auto; text-align: left; } + .center { margin-left: auto; margin-right: auto; text-align: center; } + .underline { text-decoration: underline; } + #postamble p, #preamble p { font-size: 90%; margin: .2em; } + p.verse { margin-left: 3%; } + pre { + border: 1px solid #ccc; + box-shadow: 3px 3px 3px #eee; + padding: 8pt; + font-family: monospace; + overflow: auto; + margin: 1.2em; + } + pre.src { + position: relative; + overflow: visible; + padding-top: 1.2em; + } + pre.src:before { + display: none; + position: absolute; + background-color: white; + top: -10px; + right: 10px; + padding: 3px; + border: 1px solid black; + } + pre.src:hover:before { display: inline;} + pre.src-sh:before { content: 'sh'; } + pre.src-bash:before { content: 'sh'; } + pre.src-emacs-lisp:before { content: 'Emacs Lisp'; } + pre.src-R:before { content: 'R'; } + pre.src-perl:before { content: 'Perl'; } + pre.src-java:before { content: 'Java'; } + pre.src-sql:before { content: 'SQL'; } + + table { border-collapse:collapse; } + td, th { vertical-align:top; } + th.right { text-align: center; } + th.left { text-align: center; } + th.center { text-align: center; } + td.right { text-align: right; } + td.left { text-align: left; } + td.center { text-align: center; } + dt { font-weight: bold; } + .footpara:nth-child(2) { display: inline; } + .footpara { display: block; } + .footdef { margin-bottom: 1em; } + .figure { padding: 1em; } + .figure p { text-align: center; } + .inlinetask { + padding: 10px; + border: 2px solid gray; + margin: 10px; + background: #ffffcc; + } + #org-div-home-and-up + { text-align: right; font-size: 70%; white-space: nowrap; } + textarea { overflow-x: auto; } + .linenr { font-size: smaller } + .code-highlighted { background-color: #ffff00; } + .org-info-js_info-navigation { border-style: none; } + #org-info-js_console-label + { font-size: 10px; font-weight: bold; white-space: nowrap; } + .org-info-js_search-highlight + { background-color: #ffff00; color: #000000; font-weight: bold; } + /*]]>*/--> +</style>" + "The default style specification for exported HTML files. +You can use `org-html-head' and `org-html-head-extra' to add to +this style. If you don't want to include this default style, +customize `org-html-head-include-default-style'.") + + +;;; User Configuration Variables + +(defgroup org-export-html nil + "Options for exporting Org mode files to HTML." + :tag "Org Export HTML" + :group 'org-export) + +;;;; Handle infojs + +(defvar org-html-infojs-opts-table + '((path PATH "http://orgmode.org/org-info.js") + (view VIEW "info") + (toc TOC :with-toc) + (ftoc FIXED_TOC "0") + (tdepth TOC_DEPTH "max") + (sdepth SECTION_DEPTH "max") + (mouse MOUSE_HINT "underline") + (buttons VIEW_BUTTONS "0") + (ltoc LOCAL_TOC "1") + (up LINK_UP :html-link-up) + (home LINK_HOME :html-link-home)) + "JavaScript options, long form for script, default values.") + +(defcustom org-html-use-infojs 'when-configured + "Non-nil when Sebastian Rose's Java Script org-info.js should be active. +This option can be nil or t to never or always use the script. +It can also be the symbol `when-configured', meaning that the +script will be linked into the export file if and only if there +is a \"#+INFOJS_OPT:\" line in the buffer. See also the variable +`org-html-infojs-options'." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type '(choice + (const :tag "Never" nil) + (const :tag "When configured in buffer" when-configured) + (const :tag "Always" t))) + +(defcustom org-html-infojs-options + (mapcar (lambda (x) (cons (car x) (nth 2 x))) org-html-infojs-opts-table) + "Options settings for the INFOJS JavaScript. +Each of the options must have an entry in `org-html-infojs-opts-table'. +The value can either be a string that will be passed to the script, or +a property. This property is then assumed to be a property that is defined +by the Export/Publishing setup of Org. +The `sdepth' and `tdepth' parameters can also be set to \"max\", which +means to use the maximum value consistent with other options." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type + `(set :greedy t :inline t + ,@(mapcar + (lambda (x) + (list 'cons (list 'const (car x)) + '(choice + (symbol :tag "Publishing/Export property") + (string :tag "Value")))) + org-html-infojs-opts-table))) + +(defcustom org-html-infojs-template + "<script type=\"text/javascript\" src=\"%SCRIPT_PATH\"> +/** + * + * @source: %SCRIPT_PATH + * + * @licstart The following is the entire license notice for the + * JavaScript code in %SCRIPT_PATH. + * + * Copyright (C) 2012-2013 Sebastian Rose + * + * + * The JavaScript code in this tag is free software: you can + * redistribute it and/or modify it under the terms of the GNU + * General Public License (GNU GPL) as published by the Free Software + * Foundation, either version 3 of the License, or (at your option) + * any later version. The code is distributed WITHOUT ANY WARRANTY; + * without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU GPL for more details. + * + * As additional permission under GNU GPL version 3 section 7, you + * may distribute non-source (e.g., minimized or compacted) forms of + * that code without the copy of the GNU GPL normally required by + * section 4, provided you include this license notice and a URL + * through which recipients can access the Corresponding Source. + * + * @licend The above is the entire license notice + * for the JavaScript code in %SCRIPT_PATH. + * + */ +</script> + +<script type=\"text/javascript\"> + +/* +@licstart The following is the entire license notice for the +JavaScript code in this tag. + +Copyright (C) 2012-2013 Free Software Foundation, Inc. + +The JavaScript code in this tag is free software: you can +redistribute it and/or modify it under the terms of the GNU +General Public License (GNU GPL) as published by the Free Software +Foundation, either version 3 of the License, or (at your option) +any later version. The code is distributed WITHOUT ANY WARRANTY; +without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU GPL for more details. + +As additional permission under GNU GPL version 3 section 7, you +may distribute non-source (e.g., minimized or compacted) forms of +that code without the copy of the GNU GPL normally required by +section 4, provided you include this license notice and a URL +through which recipients can access the Corresponding Source. + + +@licend The above is the entire license notice +for the JavaScript code in this tag. +*/ + +<!--/*--><![CDATA[/*><!--*/ +%MANAGER_OPTIONS +org_html_manager.setup(); // activate after the parameters are set +/*]]>*///--> +</script>" + "The template for the export style additions when org-info.js is used. +Option settings will replace the %MANAGER-OPTIONS cookie." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'string) + +(defun org-html-infojs-install-script (exp-plist backend) + "Install script in export options when appropriate. +EXP-PLIST is a plist containing export options. BACKEND is the +export back-end currently used." + (unless (or (memq 'body-only (plist-get exp-plist :export-options)) + (not org-html-use-infojs) + (and (eq org-html-use-infojs 'when-configured) + (or (not (plist-get exp-plist :infojs-opt)) + (string-match "\\<view:nil\\>" + (plist-get exp-plist :infojs-opt))))) + (let* ((template org-html-infojs-template) + (ptoc (plist-get exp-plist :with-toc)) + (hlevels (plist-get exp-plist :headline-levels)) + (sdepth hlevels) + (tdepth (if (integerp ptoc) (min ptoc hlevels) hlevels)) + (options (plist-get exp-plist :infojs-opt)) + (table org-html-infojs-opts-table) + style) + (dolist (entry table) + (let* ((opt (car entry)) + (var (nth 1 entry)) + ;; Compute default values for script option OPT from + ;; `org-html-infojs-options' variable. + (default + (let ((default (cdr (assq opt org-html-infojs-options)))) + (if (and (symbolp default) (not (memq default '(t nil)))) + (plist-get exp-plist default) + default))) + ;; Value set through INFOJS_OPT keyword has precedence + ;; over the default one. + (val (if (and options + (string-match (format "\\<%s:\\(\\S-+\\)" opt) + options)) + (match-string 1 options) + default))) + (case opt + (path (setq template + (replace-regexp-in-string + "%SCRIPT_PATH" val template t t))) + (sdepth (when (integerp (read val)) + (setq sdepth (min (read val) sdepth)))) + (tdepth (when (integerp (read val)) + (setq tdepth (min (read val) tdepth)))) + (otherwise (setq val + (cond + ((or (eq val t) (equal val "t")) "1") + ((or (eq val nil) (equal val "nil")) "0") + ((stringp val) val) + (t (format "%s" val)))) + (push (cons var val) style))))) + ;; Now we set the depth of the *generated* TOC to SDEPTH, + ;; because the toc will actually determine the splitting. How + ;; much of the toc will actually be displayed is governed by the + ;; TDEPTH option. + (setq exp-plist (plist-put exp-plist :with-toc sdepth)) + ;; The table of contents should not show more sections than we + ;; generate. + (setq tdepth (min tdepth sdepth)) + (push (cons "TOC_DEPTH" tdepth) style) + ;; Build style string. + (setq style (mapconcat + (lambda (x) (format "org_html_manager.set(\"%s\", \"%s\");" + (car x) + (cdr x))) + style "\n")) + (when (and style (> (length style) 0)) + (and (string-match "%MANAGER_OPTIONS" template) + (setq style (replace-match style t t template)) + (setq exp-plist + (plist-put + exp-plist :html-head-extra + (concat (or (plist-get exp-plist :html-head-extra) "") + "\n" + style))))) + ;; This script absolutely needs the table of contents, so we + ;; change that setting. + (unless (plist-get exp-plist :with-toc) + (setq exp-plist (plist-put exp-plist :with-toc t))) + ;; Return the modified property list. + exp-plist))) + +;;;; Bold, etc. + +(defcustom org-html-text-markup-alist + '((bold . "<b>%s</b>") + (code . "<code>%s</code>") + (italic . "<i>%s</i>") + (strike-through . "<del>%s</del>") + (underline . "<span class=\"underline\">%s</span>") + (verbatim . "<code>%s</code>")) + "Alist of HTML expressions to convert text markup. + +The key must be a symbol among `bold', `code', `italic', +`strike-through', `underline' and `verbatim'. The value is +a formatting string to wrap fontified text with. + +If no association can be found for a given markup, text will be +returned as-is." + :group 'org-export-html + :type '(alist :key-type (symbol :tag "Markup type") + :value-type (string :tag "Format string")) + :options '(bold code italic strike-through underline verbatim)) + +(defcustom org-html-indent nil + "Non-nil means to indent the generated HTML. +Warning: non-nil may break indentation of source code blocks." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'boolean) + +(defcustom org-html-use-unicode-chars nil + "Non-nil means to use unicode characters instead of HTML entities." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'boolean) + +;;;; Drawers + +(defcustom org-html-format-drawer-function nil + "Function called to format a drawer in HTML code. + +The function must accept two parameters: + NAME the drawer name, like \"LOGBOOK\" + CONTENTS the contents of the drawer. + +The function should return the string to be exported. + +For example, the variable could be set to the following function +in order to mimic default behaviour: + +\(defun org-html-format-drawer-default \(name contents\) + \"Format a drawer element for HTML export.\" + contents\)" + :group 'org-export-html + :type 'function) + +;;;; Footnotes + +(defcustom org-html-footnotes-section "<div id=\"footnotes\"> +<h2 class=\"footnotes\">%s: </h2> +<div id=\"text-footnotes\"> +%s +</div> +</div>" + "Format for the footnotes section. +Should contain a two instances of %s. The first will be replaced with the +language-specific word for \"Footnotes\", the second one will be replaced +by the footnotes themselves." + :group 'org-export-html + :type 'string) + +(defcustom org-html-footnote-format "<sup>%s</sup>" + "The format for the footnote reference. +%s will be replaced by the footnote reference itself." + :group 'org-export-html + :type 'string) + +(defcustom org-html-footnote-separator "<sup>, </sup>" + "Text used to separate footnotes." + :group 'org-export-html + :type 'string) + +;;;; Headline + +(defcustom org-html-toplevel-hlevel 2 + "The <H> level for level 1 headings in HTML export. +This is also important for the classes that will be wrapped around headlines +and outline structure. If this variable is 1, the top-level headlines will +be <h1>, and the corresponding classes will be outline-1, section-number-1, +and outline-text-1. If this is 2, all of these will get a 2 instead. +The default for this variable is 2, because we use <h1> for formatting the +document title." + :group 'org-export-html + :type 'integer) + +(defcustom org-html-format-headline-function nil + "Function to format headline text. + +This function will be called with 5 arguments: +TODO the todo keyword (string or nil). +TODO-TYPE the type of todo (symbol: `todo', `done', nil) +PRIORITY the priority of the headline (integer or nil) +TEXT the main headline text (string). +TAGS the tags (string or nil). + +The function result will be used in the section format string." + :group 'org-export-html + :type 'function) + +;;;; HTML-specific + +(defcustom org-html-allow-name-attribute-in-anchors t + "When nil, do not set \"name\" attribute in anchors. +By default, anchors are formatted with both \"id\" and \"name\" +attributes, when appropriate." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'boolean) + +;;;; Inlinetasks + +(defcustom org-html-format-inlinetask-function nil + "Function called to format an inlinetask in HTML code. + +The function must accept six parameters: + TODO the todo keyword, as a string + TODO-TYPE the todo type, a symbol among `todo', `done' and nil. + PRIORITY the inlinetask priority, as a string + NAME the inlinetask name, as a string. + TAGS the inlinetask tags, as a list of strings. + CONTENTS the contents of the inlinetask, as a string. + +The function should return the string to be exported." + :group 'org-export-html + :type 'function) + +;;;; LaTeX + +(defcustom org-html-with-latex org-export-with-latex + "Non-nil means process LaTeX math snippets. + +When set, the exporter will process LaTeX environments and +fragments. + +This option can also be set with the +OPTIONS line, +e.g. \"tex:mathjax\". Allowed values are: + +nil Ignore math snippets. +`verbatim' Keep everything in verbatim +`dvipng' Process the LaTeX fragments to images. This will also + include processing of non-math environments. +`imagemagick' Convert the LaTeX fragments to pdf files and use + imagemagick to convert pdf files to png files. +`mathjax' Do MathJax preprocessing and arrange for MathJax.js to + be loaded. +t Synonym for `mathjax'." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type '(choice + (const :tag "Do not process math in any way" nil) + (const :tag "Use dvipng to make images" dvipng) + (const :tag "Use imagemagick to make images" imagemagick) + (const :tag "Use MathJax to display math" mathjax) + (const :tag "Leave math verbatim" verbatim))) + +;;;; Links :: Generic + +(defcustom org-html-link-org-files-as-html t + "Non-nil means make file links to `file.org' point to `file.html'. +When `org-mode' is exporting an `org-mode' file to HTML, links to +non-html files are directly put into a href tag in HTML. +However, links to other Org-mode files (recognized by the +extension `.org.) should become links to the corresponding html +file, assuming that the linked `org-mode' file will also be +converted to HTML. +When nil, the links still point to the plain `.org' file." + :group 'org-export-html + :type 'boolean) + +;;;; Links :: Inline images + +(defcustom org-html-inline-images 'maybe + "Non-nil means inline images into exported HTML pages. +This is done using an <img> tag. When nil, an anchor with href is used to +link to the image. If this option is `maybe', then images in links with +an empty description will be inlined, while images with a description will +be linked only." + :group 'org-export-html + :type '(choice (const :tag "Never" nil) + (const :tag "Always" t) + (const :tag "When there is no description" maybe))) + +(defcustom org-html-inline-image-rules + '(("file" . "\\.\\(jpeg\\|jpg\\|png\\|gif\\|svg\\)\\'") + ("http" . "\\.\\(jpeg\\|jpg\\|png\\|gif\\|svg\\)\\'") + ("https" . "\\.\\(jpeg\\|jpg\\|png\\|gif\\|svg\\)\\'")) + "Rules characterizing image files that can be inlined into HTML. +A rule consists in an association whose key is the type of link +to consider, and value is a regexp that will be matched against +link's path." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type '(alist :key-type (string :tag "Type") + :value-type (regexp :tag "Path"))) + +;;;; Plain Text + +(defcustom org-html-protect-char-alist + '(("&" . "&") + ("<" . "<") + (">" . ">")) + "Alist of characters to be converted by `org-html-protect'." + :group 'org-export-html + :type '(repeat (cons (string :tag "Character") + (string :tag "HTML equivalent")))) + +;;;; Src Block + +(defcustom org-html-htmlize-output-type 'inline-css + "Output type to be used by htmlize when formatting code snippets. +Choices are `css', to export the CSS selectors only, or `inline-css', to +export the CSS attribute values inline in the HTML. We use as default +`inline-css', in order to make the resulting HTML self-containing. + +However, this will fail when using Emacs in batch mode for export, because +then no rich font definitions are in place. It will also not be good if +people with different Emacs setup contribute HTML files to a website, +because the fonts will represent the individual setups. In these cases, +it is much better to let Org/Htmlize assign classes only, and to use +a style file to define the look of these classes. +To get a start for your css file, start Emacs session and make sure that +all the faces you are interested in are defined, for example by loading files +in all modes you want. Then, use the command +\\[org-html-htmlize-generate-css] to extract class definitions." + :group 'org-export-html + :type '(choice (const css) (const inline-css))) + +(defcustom org-html-htmlize-font-prefix "org-" + "The prefix for CSS class names for htmlize font specifications." + :group 'org-export-html + :type 'string) + +;;;; Table + +(defcustom org-html-table-default-attributes + '(:border "2" :cellspacing "0" :cellpadding "6" :rules "groups" :frame "hsides") + "Default attributes and values which will be used in table tags. +This is a plist where attributes are symbols, starting with +colons, and values are strings." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type '(plist :key-type (symbol :tag "Property") + :value-type (string :tag "Value"))) + +(defcustom org-html-table-header-tags '("<th scope=\"%s\"%s>" . "</th>") + "The opening tag for table header fields. +This is customizable so that alignment options can be specified. +The first %s will be filled with the scope of the field, either row or col. +The second %s will be replaced by a style entry to align the field. +See also the variable `org-html-table-use-header-tags-for-first-column'. +See also the variable `org-html-table-align-individual-fields'." + :group 'org-export-html + :type '(cons (string :tag "Opening tag") (string :tag "Closing tag"))) + +(defcustom org-html-table-data-tags '("<td%s>" . "</td>") + "The opening tag for table data fields. +This is customizable so that alignment options can be specified. +The first %s will be filled with the scope of the field, either row or col. +The second %s will be replaced by a style entry to align the field. +See also the variable `org-html-table-align-individual-fields'." + :group 'org-export-html + :type '(cons (string :tag "Opening tag") (string :tag "Closing tag"))) + +(defcustom org-html-table-row-tags '("<tr>" . "</tr>") + "The opening and ending tags for table rows. +This is customizable so that alignment options can be specified. +Instead of strings, these can be Lisp forms that will be +evaluated for each row in order to construct the table row tags. + +During evaluation, these variables will be dynamically bound so that +you can reuse them: + + `row-number': row number (0 is the first row) + `rowgroup-number': group number of current row + `start-rowgroup-p': non-nil means the row starts a group + `end-rowgroup-p': non-nil means the row ends a group + `top-row-p': non-nil means this is the top row + `bottom-row-p': non-nil means this is the bottom row + +For example: + +\(setq org-html-table-row-tags + (cons '(cond (top-row-p \"<tr class=\\\"tr-top\\\">\") + (bottom-row-p \"<tr class=\\\"tr-bottom\\\">\") + (t (if (= (mod row-number 2) 1) + \"<tr class=\\\"tr-odd\\\">\" + \"<tr class=\\\"tr-even\\\">\"))) + \"</tr>\")) + +will use the \"tr-top\" and \"tr-bottom\" classes for the top row +and the bottom row, and otherwise alternate between \"tr-odd\" and +\"tr-even\" for odd and even rows." + :group 'org-export-html + :type '(cons + (choice :tag "Opening tag" + (string :tag "Specify") + (sexp)) + (choice :tag "Closing tag" + (string :tag "Specify") + (sexp)))) + +(defcustom org-html-table-align-individual-fields t + "Non-nil means attach style attributes for alignment to each table field. +When nil, alignment will only be specified in the column tags, but this +is ignored by some browsers (like Firefox, Safari). Opera does it right +though." + :group 'org-export-html + :type 'boolean) + +(defcustom org-html-table-use-header-tags-for-first-column nil + "Non-nil means format column one in tables with header tags. +When nil, also column one will use data tags." + :group 'org-export-html + :type 'boolean) + +(defcustom org-html-table-caption-above t + "When non-nil, place caption string at the beginning of the table. +Otherwise, place it near the end." + :group 'org-export-html + :type 'boolean) + +;;;; Tags + +(defcustom org-html-tag-class-prefix "" + "Prefix to class names for TODO keywords. +Each tag gets a class given by the tag itself, with this prefix. +The default prefix is empty because it is nice to just use the keyword +as a class name. But if you get into conflicts with other, existing +CSS classes, then this prefix can be very useful." + :group 'org-export-html + :type 'string) + +;;;; Template :: Generic + +(defcustom org-html-extension "html" + "The extension for exported HTML files." + :group 'org-export-html + :type 'string) + +(defcustom org-html-xml-declaration + '(("html" . "<?xml version=\"1.0\" encoding=\"%s\"?>") + ("php" . "<?php echo \"<?xml version=\\\"1.0\\\" encoding=\\\"%s\\\" ?>\"; ?>")) + "The extension for exported HTML files. +%s will be replaced with the charset of the exported file. +This may be a string, or an alist with export extensions +and corresponding declarations." + :group 'org-export-html + :type '(choice + (string :tag "Single declaration") + (repeat :tag "Dependent on extension" + (cons (string :tag "Extension") + (string :tag "Declaration"))))) + +(defcustom org-html-coding-system 'utf-8 + "Coding system for HTML export. +Use utf-8 as the default value." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'coding-system) + +(defcustom org-html-doctype + "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">" + "Document type definition to use for exported HTML files. +Can be set with the in-buffer HTML_DOCTYPE property or for +publishing, with :html-doctype." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'string) + +(defcustom org-html-container-element "div" + "HTML element to use for wrapping top level sections. +Can be set with the in-buffer HTML_CONTAINER property or for +publishing, with :html-container. + +Note that changing the default will prevent you from using +org-info.js for your website." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'string) + +(defcustom org-html-divs + '((preamble "div" "preamble") + (content "div" "content") + (postamble "div" "postamble")) + "Alist of the three section elements for HTML export. +The car of each entry is one of 'preamble, 'content or 'postamble. +The cdrs of each entry are the ELEMENT_TYPE and ID for each +section of the exported document. + +Note that changing the default will prevent you from using +org-info.js for your website." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type '(list :greedy t + (list :tag "Preamble" + (const :format "" preamble) + (string :tag "element") (string :tag " id")) + (list :tag "Content" + (const :format "" content) + (string :tag "element") (string :tag " id")) + (list :tag "Postamble" (const :format "" postamble) + (string :tag " id") (string :tag "element")))) + +(defcustom org-html-metadata-timestamp-format "%Y-%m-%d %a %H:%M" + "Format used for timestamps in preamble, postamble and metadata. +See `format-time-string' for more information on its components." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'string) + +;;;; Template :: Mathjax + +(defcustom org-html-mathjax-options + '((path "http://orgmode.org/mathjax/MathJax.js") + (scale "100") + (align "center") + (indent "2em") + (mathml nil)) + "Options for MathJax setup. + +path The path where to find MathJax +scale Scaling for the HTML-CSS backend, usually between 100 and 133 +align How to align display math: left, center, or right +indent If align is not center, how far from the left/right side? +mathml Should a MathML player be used if available? + This is faster and reduces bandwidth use, but currently + sometimes has lower spacing quality. Therefore, the default is + nil. When browsers get better, this switch can be flipped. + +You can also customize this for each buffer, using something like + +#+MATHJAX: scale:\"133\" align:\"right\" mathml:t path:\"/MathJax/\"" + :group 'org-export-html + :type '(list :greedy t + (list :tag "path (the path from where to load MathJax.js)" + (const :format " " path) (string)) + (list :tag "scale (scaling for the displayed math)" + (const :format " " scale) (string)) + (list :tag "align (alignment of displayed equations)" + (const :format " " align) (string)) + (list :tag "indent (indentation with left or right alignment)" + (const :format " " indent) (string)) + (list :tag "mathml (should MathML display be used is possible)" + (const :format " " mathml) (boolean)))) + +(defcustom org-html-mathjax-template + "<script type=\"text/javascript\" src=\"%PATH\"> +<!--/*--><![CDATA[/*><!--*/ + MathJax.Hub.Config({ + // Only one of the two following lines, depending on user settings + // First allows browser-native MathML display, second forces HTML/CSS + :MMLYES: config: [\"MMLorHTML.js\"], jax: [\"input/TeX\"], + :MMLNO: jax: [\"input/TeX\", \"output/HTML-CSS\"], + extensions: [\"tex2jax.js\",\"TeX/AMSmath.js\",\"TeX/AMSsymbols.js\", + \"TeX/noUndefined.js\"], + tex2jax: { + inlineMath: [ [\"\\\\(\",\"\\\\)\"] ], + displayMath: [ ['$$','$$'], [\"\\\\[\",\"\\\\]\"], [\"\\\\begin{displaymath}\",\"\\\\end{displaymath}\"] ], + skipTags: [\"script\",\"noscript\",\"style\",\"textarea\",\"pre\",\"code\"], + ignoreClass: \"tex2jax_ignore\", + processEscapes: false, + processEnvironments: true, + preview: \"TeX\" + }, + showProcessingMessages: true, + displayAlign: \"%ALIGN\", + displayIndent: \"%INDENT\", + + \"HTML-CSS\": { + scale: %SCALE, + availableFonts: [\"STIX\",\"TeX\"], + preferredFont: \"TeX\", + webFont: \"TeX\", + imageFont: \"TeX\", + showMathMenu: true, + }, + MMLorHTML: { + prefer: { + MSIE: \"MML\", + Firefox: \"MML\", + Opera: \"HTML\", + other: \"HTML\" + } + } + }); +/*]]>*///--> +</script>" + "The MathJax setup for XHTML files." + :group 'org-export-html + :type 'string) + +;;;; Template :: Postamble + +(defcustom org-html-postamble 'auto + "Non-nil means insert a postamble in HTML export. + +When set to 'auto, check against the +`org-export-with-author/email/creator/date' variables to set the +content of the postamble. When set to a string, use this string +as the postamble. When t, insert a string as defined by the +formatting string in `org-html-postamble-format'. + +When set to a function, apply this function and insert the +returned string. The function takes the property list of export +options as its only argument. + +Setting :html-postamble in publishing projects will take +precedence over this variable." + :group 'org-export-html + :type '(choice (const :tag "No postamble" nil) + (const :tag "Auto postamble" 'auto) + (const :tag "Default formatting string" t) + (string :tag "Custom formatting string") + (function :tag "Function (must return a string)"))) + +(defcustom org-html-postamble-format + '(("en" "<p class=\"author\">Author: %a (%e)</p> +<p class=\"date\">Date: %d</p> +<p class=\"creator\">%c</p> +<p class=\"xhtml-validation\">%v</p>")) + "Alist of languages and format strings for the HTML postamble. + +The first element of each list is the language code, as used for +the LANGUAGE keyword. See `org-export-default-language'. + +The second element of each list is a format string to format the +postamble itself. This format string can contain these elements: + + %t stands for the title. + %a stands for the author's name. + %e stands for the author's email. + %d stands for the date. + %c will be replaced by `org-html-creator-string'. + %v will be replaced by `org-html-validation-link'. + %T will be replaced by the export time. + %C will be replaced by the last modification time. + +If you need to use a \"%\" character, you need to escape it +like that: \"%%\"." + :group 'org-export-html + :type '(alist :key-type (string :tag "Language") + :value-type (string :tag "Format string"))) + +(defcustom org-html-validation-link + "<a href=\"http://validator.w3.org/check?uri=referer\">Validate XHTML 1.0</a>" + "Link to HTML validation service." + :group 'org-export-html + :type 'string) + +(defcustom org-html-creator-string + (format "<a href=\"http://www.gnu.org/software/emacs/\">Emacs</a> %s (<a href=\"http://orgmode.org\">Org</a> mode %s)" + emacs-version + (if (fboundp 'org-version) (org-version) "unknown version")) + "Information about the creator of the HTML document. +This option can also be set on with the CREATOR keyword." + :group 'org-export-html + :type '(string :tag "Creator string")) + +;;;; Template :: Preamble + +(defcustom org-html-preamble t + "Non-nil means insert a preamble in HTML export. + +When t, insert a string as defined by the formatting string in +`org-html-preamble-format'. When set to a string, use this +formatting string instead (see `org-html-postamble-format' for an +example of such a formatting string). + +When set to a function, apply this function and insert the +returned string. The function takes the property list of export +options as its only argument. + +Setting :html-preamble in publishing projects will take +precedence over this variable." + :group 'org-export-html + :type '(choice (const :tag "No preamble" nil) + (const :tag "Default preamble" t) + (string :tag "Custom formatting string") + (function :tag "Function (must return a string)"))) + +(defcustom org-html-preamble-format '(("en" "")) + "Alist of languages and format strings for the HTML preamble. + +The first element of each list is the language code, as used for +the LANGUAGE keyword. See `org-export-default-language'. + +The second element of each list is a format string to format the +preamble itself. This format string can contain these elements: + + %t stands for the title. + %a stands for the author's name. + %e stands for the author's email. + %d stands for the date. + %c will be replaced by `org-html-creator-string'. + %v will be replaced by `org-html-validation-link'. + %T will be replaced by the export time. + %C will be replaced by the last modification time. + +If you need to use a \"%\" character, you need to escape it +like that: \"%%\". + +See the default value of `org-html-postamble-format' for an +example." + :group 'org-export-html + :type '(alist :key-type (string :tag "Language") + :value-type (string :tag "Format string"))) + +(defcustom org-html-link-up "" + "Where should the \"UP\" link of exported HTML pages lead?" + :group 'org-export-html + :type '(string :tag "File or URL")) + +(defcustom org-html-link-home "" + "Where should the \"HOME\" link of exported HTML pages lead?" + :group 'org-export-html + :type '(string :tag "File or URL")) + +(defcustom org-html-home/up-format + "<div id=\"org-div-home-and-up\"> + <a accesskey=\"h\" href=\"%s\"> UP </a> + | + <a accesskey=\"H\" href=\"%s\"> HOME </a> +</div>" + "Snippet used to insert the HOME and UP links. +This is a format string, the first %s will receive the UP link, +the second the HOME link. If both `org-html-link-up' and +`org-html-link-home' are empty, the entire snippet will be +ignored." + :group 'org-export-html + :type 'string) + +;;;; Template :: Scripts + +(define-obsolete-variable-alias + 'org-html-style-include-scripts 'org-html-head-include-scripts "24.4") +(defcustom org-html-head-include-scripts t + "Non-nil means include the JavaScript snippets in exported HTML files. +The actual script is defined in `org-html-scripts' and should +not be modified." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'boolean) + +;;;; Template :: Styles + +(define-obsolete-variable-alias + 'org-html-style-include-default 'org-html-head-include-default-style "24.4") +(defcustom org-html-head-include-default-style t + "Non-nil means include the default style in exported HTML files. +The actual style is defined in `org-html-style-default' and +should not be modified. Use `org-html-head' to use your own +style information." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'boolean) +;;;###autoload +(put 'org-html-head-include-default-style 'safe-local-variable 'booleanp) + +(define-obsolete-variable-alias 'org-html-style 'org-html-head "24.4") +(defcustom org-html-head "" + "Org-wide head definitions for exported HTML files. + +This variable can contain the full HTML structure to provide a +style, including the surrounding HTML tags. You can consider +including definitions for the following classes: title, todo, +done, timestamp, timestamp-kwd, tag, target. + +For example, a valid value would be: + + <style type=\"text/css\"> + <![CDATA[ + p { font-weight: normal; color: gray; } + h1 { color: black; } + .title { text-align: center; } + .todo, .timestamp-kwd { color: red; } + .done { color: green; } + ]]> + </style> + +If you want to refer to an external style, use something like + + <link rel=\"stylesheet\" type=\"text/css\" href=\"mystyles.css\" /> + +As the value of this option simply gets inserted into the HTML +<head> header, you can use it to add any arbitrary text to the +header. + +You can set this on a per-file basis using #+HTML_HEAD:, +or for publication projects using the :html-head property." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'string) +;;;###autoload +(put 'org-html-head 'safe-local-variable 'stringp) + +(defcustom org-html-head-extra "" + "More head information to add in the HTML output. + +You can set this on a per-file basis using #+HTML_HEAD_EXTRA:, +or for publication projects using the :html-head-extra property." + :group 'org-export-html + :version "24.4" + :package-version '(Org . "8.0") + :type 'string) +;;;###autoload +(put 'org-html-head-extra 'safe-local-variable 'stringp) + +;;;; Todos + +(defcustom org-html-todo-kwd-class-prefix "" + "Prefix to class names for TODO keywords. +Each TODO keyword gets a class given by the keyword itself, with this prefix. +The default prefix is empty because it is nice to just use the keyword +as a class name. But if you get into conflicts with other, existing +CSS classes, then this prefix can be very useful." + :group 'org-export-html + :type 'string) + + +;;; Internal Functions + +(defun org-html--make-attribute-string (attributes) + "Return a list of attributes, as a string. +ATTRIBUTES is a plist where values are either strings or nil. An +attributes with a nil value will be omitted from the result." + (let (output) + (dolist (item attributes (mapconcat 'identity (nreverse output) " ")) + (cond ((null item) (pop output)) + ((symbolp item) (push (substring (symbol-name item) 1) output)) + (t (let ((key (car output)) + (value (replace-regexp-in-string + "\"" """ (org-html-encode-plain-text item)))) + (setcar output (format "%s=\"%s\"" key value)))))))) + +(defun org-html-format-inline-image (src &optional + caption label attr standalone-p) + "Format an inline image from SRC. +CAPTION, LABEL and ATTR are optional arguments providing the +caption, the label and the attribute of the image. +When STANDALONE-P is t, wrap the <img.../> into a <div>...</div>." + (let* ((id (if (not label) "" + (format " id=\"%s\"" (org-export-solidify-link-text label)))) + (attr (concat attr + (cond + ((string-match "\\<alt=" (or attr "")) "") + ((string-match "^ltxpng/" src) + (format " alt=\"%s\"" + (org-html-encode-plain-text + (org-find-text-property-in-string + 'org-latex-src src)))) + (t (format " alt=\"%s\"" + (file-name-nondirectory src))))))) + (cond + (standalone-p + (let ((img (format "<img src=\"%s\" %s/>" src attr))) + (format "\n<div%s class=\"figure\">%s%s\n</div>" + id (format "\n<p>%s</p>" img) + (if (and caption (not (string= caption ""))) + (format "\n<p>%s</p>" caption) "")))) + (t (format "<img src=\"%s\" %s/>" src (concat attr id)))))) + +(defun org-html--textarea-block (element) + "Transcode ELEMENT into a textarea block. +ELEMENT is either a src block or an example block." + (let* ((code (car (org-export-unravel-code element))) + (attr (org-export-read-attribute :attr_html element))) + (format "<p>\n<textarea cols=\"%s\" rows=\"%s\">\n%s</textarea>\n</p>" + (or (plist-get attr :width) 80) + (or (plist-get attr :height) (org-count-lines code)) + code))) + +;;;; Table + +(defun org-html-htmlize-region-for-paste (beg end) + "Convert the region between BEG and END to HTML, using htmlize.el. +This is much like `htmlize-region-for-paste', only that it uses +the settings define in the org-... variables." + (let* ((htmlize-output-type org-html-htmlize-output-type) + (htmlize-css-name-prefix org-html-htmlize-font-prefix) + (htmlbuf (htmlize-region beg end))) + (unwind-protect + (with-current-buffer htmlbuf + (buffer-substring (plist-get htmlize-buffer-places 'content-start) + (plist-get htmlize-buffer-places 'content-end))) + (kill-buffer htmlbuf)))) + +;;;###autoload +(defun org-html-htmlize-generate-css () + "Create the CSS for all font definitions in the current Emacs session. +Use this to create face definitions in your CSS style file that can then +be used by code snippets transformed by htmlize. +This command just produces a buffer that contains class definitions for all +faces used in the current Emacs session. You can copy and paste the ones you +need into your CSS file. + +If you then set `org-html-htmlize-output-type' to `css', calls +to the function `org-html-htmlize-region-for-paste' will +produce code that uses these same face definitions." + (interactive) + (require 'htmlize) + (and (get-buffer "*html*") (kill-buffer "*html*")) + (with-temp-buffer + (let ((fl (face-list)) + (htmlize-css-name-prefix "org-") + (htmlize-output-type 'css) + f i) + (while (setq f (pop fl) + i (and f (face-attribute f :inherit))) + (when (and (symbolp f) (or (not i) (not (listp i)))) + (insert (org-add-props (copy-sequence "1") nil 'face f)))) + (htmlize-region (point-min) (point-max)))) + (org-pop-to-buffer-same-window "*html*") + (goto-char (point-min)) + (if (re-search-forward "<style" nil t) + (delete-region (point-min) (match-beginning 0))) + (if (re-search-forward "</style>" nil t) + (delete-region (1+ (match-end 0)) (point-max))) + (beginning-of-line 1) + (if (looking-at " +") (replace-match "")) + (goto-char (point-min))) + +(defun org-html--make-string (n string) + "Build a string by concatenating N times STRING." + (let (out) (dotimes (i n out) (setq out (concat string out))))) + +(defun org-html-fix-class-name (kwd) ; audit callers of this function + "Turn todo keyword KWD into a valid class name. +Replaces invalid characters with \"_\"." + (save-match-data + (while (string-match "[^a-zA-Z0-9_]" kwd) + (setq kwd (replace-match "_" t t kwd)))) + kwd) + +(defun org-html-format-footnote-reference (n def refcnt) + "Format footnote reference N with definition DEF into HTML." + (let ((extra (if (= refcnt 1) "" (format ".%d" refcnt)))) + (format org-html-footnote-format + (let* ((id (format "fnr.%s%s" n extra)) + (href (format " href=\"#fn.%s\"" n)) + (attributes (concat " class=\"footref\"" href))) + (org-html--anchor id n attributes))))) + +(defun org-html-format-footnotes-section (section-name definitions) + "Format footnotes section SECTION-NAME." + (if (not definitions) "" + (format org-html-footnotes-section section-name definitions))) + +(defun org-html-format-footnote-definition (fn) + "Format the footnote definition FN." + (let ((n (car fn)) (def (cdr fn))) + (format + "<div class=\"footdef\">%s %s</div>\n" + (format org-html-footnote-format + (let* ((id (format "fn.%s" n)) + (href (format " href=\"#fnr.%s\"" n)) + (attributes (concat " class=\"footnum\"" href))) + (org-html--anchor id n attributes))) + def))) + +(defun org-html-footnote-section (info) + "Format the footnote section. +INFO is a plist used as a communication channel." + (let* ((fn-alist (org-export-collect-footnote-definitions + (plist-get info :parse-tree) info)) + (fn-alist + (loop for (n type raw) in fn-alist collect + (cons n (if (eq (org-element-type raw) 'org-data) + (org-trim (org-export-data raw info)) + (format "<p>%s</p>" + (org-trim (org-export-data raw info)))))))) + (when fn-alist + (org-html-format-footnotes-section + (org-html--translate "Footnotes" info) + (format + "\n%s\n" + (mapconcat 'org-html-format-footnote-definition fn-alist "\n")))))) + + +;;; Template + +(defun org-html--build-meta-info (info) + "Return meta tags for exported document. +INFO is a plist used as a communication channel." + (let ((protect-string + (lambda (str) + (replace-regexp-in-string + "\"" """ (org-html-encode-plain-text str)))) + (title (org-export-data (plist-get info :title) info)) + (author (and (plist-get info :with-author) + (let ((auth (plist-get info :author))) + (and auth + ;; Return raw Org syntax, skipping non + ;; exportable objects. + (org-element-interpret-data + (org-element-map auth + (cons 'plain-text org-element-all-objects) + 'identity info)))))) + (description (plist-get info :description)) + (keywords (plist-get info :keywords))) + (concat + (format "<title>%s</title>\n" title) + (when (plist-get info :time-stamp-file) + (format-time-string + (concat "<!-- " org-html-metadata-timestamp-format " -->\n"))) + (format + "<meta http-equiv=\"Content-Type\" content=\"text/html;charset=%s\"/>\n" + (or (and org-html-coding-system + (fboundp 'coding-system-get) + (coding-system-get org-html-coding-system 'mime-charset)) + "iso-8859-1")) + (format "<meta name=\"generator\" content=\"Org-mode\"/>\n") + (and (org-string-nw-p author) + (format "<meta name=\"author\" content=\"%s\"/>\n" + (funcall protect-string author))) + (and (org-string-nw-p description) + (format "<meta name=\"description\" content=\"%s\"/>\n" + (funcall protect-string description))) + (and (org-string-nw-p keywords) + (format "<meta name=\"keywords\" content=\"%s\"/>\n" + (funcall protect-string keywords)))))) + +(defun org-html--build-head (info) + "Return information for the <head>..</head> of the HTML output. +INFO is a plist used as a communication channel." + (org-element-normalize-string + (concat + (when (plist-get info :html-head-include-default-style) + (org-element-normalize-string org-html-style-default)) + (org-element-normalize-string (plist-get info :html-head)) + (org-element-normalize-string (plist-get info :html-head-extra)) + (when (and (plist-get info :html-htmlized-css-url) + (eq org-html-htmlize-output-type 'css)) + (format "<link rel=\"stylesheet\" href=\"%s\" type=\"text/css\" />\n" + (plist-get info :html-htmlized-css-url))) + (when (plist-get info :html-head-include-scripts) org-html-scripts)))) + +(defun org-html--build-mathjax-config (info) + "Insert the user setup into the mathjax template. +INFO is a plist used as a communication channel." + (when (and (memq (plist-get info :with-latex) '(mathjax t)) + (org-element-map (plist-get info :parse-tree) + '(latex-fragment latex-environment) 'identity info t)) + (let ((template org-html-mathjax-template) + (options org-html-mathjax-options) + (in-buffer (or (plist-get info :html-mathjax) "")) + name val (yes " ") (no "// ") x) + (mapc + (lambda (e) + (setq name (car e) val (nth 1 e)) + (if (string-match (concat "\\<" (symbol-name name) ":") in-buffer) + (setq val (car (read-from-string + (substring in-buffer (match-end 0)))))) + (if (not (stringp val)) (setq val (format "%s" val))) + (if (string-match (concat "%" (upcase (symbol-name name))) template) + (setq template (replace-match val t t template)))) + options) + (setq val (nth 1 (assq 'mathml options))) + (if (string-match (concat "\\<mathml:") in-buffer) + (setq val (car (read-from-string + (substring in-buffer (match-end 0)))))) + ;; Exchange prefixes depending on mathml setting. + (if (not val) (setq x yes yes no no x)) + ;; Replace cookies to turn on or off the config/jax lines. + (if (string-match ":MMLYES:" template) + (setq template (replace-match yes t t template))) + (if (string-match ":MMLNO:" template) + (setq template (replace-match no t t template))) + ;; Return the modified template. + (org-element-normalize-string template)))) + +(defun org-html-format-spec (info) + "Return format specification for elements that can be +used in the preamble or postamble." + `((?t . ,(org-export-data (plist-get info :title) info)) + (?d . ,(org-export-data (org-export-get-date info) info)) + (?T . ,(format-time-string org-html-metadata-timestamp-format)) + (?a . ,(org-export-data (plist-get info :author) info)) + (?e . ,(mapconcat + (lambda (e) + (format "<a href=\"mailto:%s\">%s</a>" e e)) + (split-string (plist-get info :email) ",+ *") + ", ")) + (?c . ,(plist-get info :creator)) + (?C . ,(let ((file (plist-get info :input-file))) + (format-time-string org-html-metadata-timestamp-format + (if file (nth 5 (file-attributes file)) + (current-time))))) + (?v . ,(or org-html-validation-link "")))) + +(defun org-html--build-pre/postamble (type info) + "Return document preamble or postamble as a string, or nil. +TYPE is either 'preamble or 'postamble, INFO is a plist used as a +communication channel." + (let ((section (plist-get info (intern (format ":html-%s" type)))) + (spec (org-html-format-spec info))) + (when section + (let ((section-contents + (if (functionp section) (funcall section info) + (cond + ((stringp section) (format-spec section spec)) + ((eq section 'auto) + (let ((date (cdr (assq ?d spec))) + (author (cdr (assq ?a spec))) + (email (cdr (assq ?e spec))) + (creator (cdr (assq ?c spec))) + (timestamp (cdr (assq ?T spec))) + (validation-link (cdr (assq ?v spec)))) + (concat + (when (and (plist-get info :with-date) + (org-string-nw-p date)) + (format "<p class=\"date\">%s: %s</p>\n" + (org-html--translate "Date" info) + date)) + (when (and (plist-get info :with-author) + (org-string-nw-p author)) + (format "<p class=\"author\">%s: %s</p>\n" + (org-html--translate "Author" info) + author)) + (when (and (plist-get info :with-email) + (org-string-nw-p email)) + (format "<p class=\"email\">%s: %s</p>\n" + (org-html--translate "Email" info) + email)) + (when (plist-get info :time-stamp-file) + (format + "<p class=\"date\">%s: %s</p>\n" + (org-html--translate "Created" info) + (format-time-string org-html-metadata-timestamp-format))) + (when (plist-get info :with-creator) + (format "<p class=\"creator\">%s</p>\n" creator)) + (format "<p class=\"xhtml-validation\">%s</p>\n" + validation-link)))) + (t (format-spec + (or (cadr (assoc + (plist-get info :language) + (eval (intern + (format "org-html-%s-format" type))))) + (cadr + (assoc + "en" + (eval + (intern (format "org-html-%s-format" type)))))) + spec)))))) + (when (org-string-nw-p section-contents) + (concat + (format "<%s id=\"%s\" class=\"%s\">\n" + (nth 1 (assq type org-html-divs)) + (nth 2 (assq type org-html-divs)) + org-html--pre/postamble-class) + (org-element-normalize-string section-contents) + (format "</%s>\n" (nth 1 (assq type org-html-divs))))))))) + +(defun org-html-inner-template (contents info) + "Return body of document string after HTML conversion. +CONTENTS is the transcoded contents string. INFO is a plist +holding export options." + (concat + ;; Table of contents. + (let ((depth (plist-get info :with-toc))) + (when depth (org-html-toc depth info))) + ;; Document contents. + contents + ;; Footnotes section. + (org-html-footnote-section info))) + +(defun org-html-template (contents info) + "Return complete document string after HTML conversion. +CONTENTS is the transcoded contents string. INFO is a plist +holding export options." + (concat + (format + (or (and (stringp org-html-xml-declaration) + org-html-xml-declaration) + (cdr (assoc (plist-get info :html-extension) + org-html-xml-declaration)) + (cdr (assoc "html" org-html-xml-declaration)) + + "") + (or (and org-html-coding-system + (fboundp 'coding-system-get) + (coding-system-get org-html-coding-system 'mime-charset)) + "iso-8859-1")) + "\n" + (plist-get info :html-doctype) + "\n" + (format "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"%s\" xml:lang=\"%s\">\n" + (plist-get info :language) (plist-get info :language)) + "<head>\n" + (org-html--build-meta-info info) + (org-html--build-head info) + (org-html--build-mathjax-config info) + "</head>\n" + "<body>\n" + (let ((link-up (org-trim (plist-get info :html-link-up))) + (link-home (org-trim (plist-get info :html-link-home)))) + (unless (and (string= link-up "") (string= link-home "")) + (format org-html-home/up-format + (or link-up link-home) + (or link-home link-up)))) + ;; Preamble. + (org-html--build-pre/postamble 'preamble info) + ;; Document contents. + (format "<%s id=\"%s\">\n" + (nth 1 (assq 'content org-html-divs)) + (nth 2 (assq 'content org-html-divs))) + ;; Document title. + (let ((title (plist-get info :title))) + (format "<h1 class=\"title\">%s</h1>\n" (org-export-data (or title "") info))) + contents + (format "</%s>\n" + (nth 1 (assq 'content org-html-divs))) + ;; Postamble. + (org-html--build-pre/postamble 'postamble info) + ;; Closing document. + "</body>\n</html>")) + +(defun org-html--translate (s info) + "Translate string S according to specified language. +INFO is a plist used as a communication channel." + (org-export-translate s :html info)) + +;;;; Anchor + +(defun org-html--anchor (&optional id desc attributes) + "Format a HTML anchor." + (let* ((name (and org-html-allow-name-attribute-in-anchors id)) + (attributes (concat (and id (format " id=\"%s\"" id)) + (and name (format " name=\"%s\"" name)) + attributes))) + (format "<a%s>%s</a>" attributes (or desc "")))) + +;;;; Todo + +(defun org-html--todo (todo) + "Format TODO keywords into HTML." + (when todo + (format "<span class=\"%s %s%s\">%s</span>" + (if (member todo org-done-keywords) "done" "todo") + org-html-todo-kwd-class-prefix (org-html-fix-class-name todo) + todo))) + +;;;; Tags + +(defun org-html--tags (tags) + "Format TAGS into HTML." + (when tags + (format "<span class=\"tag\">%s</span>" + (mapconcat + (lambda (tag) + (format "<span class=\"%s\">%s</span>" + (concat org-html-tag-class-prefix + (org-html-fix-class-name tag)) + tag)) + tags " ")))) + +;;;; Headline + +(defun* org-html-format-headline + (todo todo-type priority text tags + &key level section-number headline-label &allow-other-keys) + "Format a headline in HTML." + (let ((section-number + (when section-number + (format "<span class=\"section-number-%d\">%s</span> " + level section-number))) + (todo (org-html--todo todo)) + (tags (org-html--tags tags))) + (concat section-number todo (and todo " ") text + (and tags "   ") tags))) + +;;;; Src Code + +(defun org-html-fontify-code (code lang) + "Color CODE with htmlize library. +CODE is a string representing the source code to colorize. LANG +is the language used for CODE, as a string, or nil." + (when code + (cond + ;; Case 1: No lang. Possibly an example block. + ((not lang) + ;; Simple transcoding. + (org-html-encode-plain-text code)) + ;; Case 2: No htmlize or an inferior version of htmlize + ((not (and (require 'htmlize nil t) (fboundp 'htmlize-region-for-paste))) + ;; Emit a warning. + (message "Cannot fontify src block (htmlize.el >= 1.34 required)") + ;; Simple transcoding. + (org-html-encode-plain-text code)) + (t + ;; Map language + (setq lang (or (assoc-default lang org-src-lang-modes) lang)) + (let* ((lang-mode (and lang (intern (format "%s-mode" lang))))) + (cond + ;; Case 1: Language is not associated with any Emacs mode + ((not (functionp lang-mode)) + ;; Simple transcoding. + (org-html-encode-plain-text code)) + ;; Case 2: Default. Fontify code. + (t + ;; htmlize + (setq code (with-temp-buffer + ;; Switch to language-specific mode. + (funcall lang-mode) + (insert code) + ;; Fontify buffer. + (font-lock-fontify-buffer) + ;; Remove formatting on newline characters. + (save-excursion + (let ((beg (point-min)) + (end (point-max))) + (goto-char beg) + (while (progn (end-of-line) (< (point) end)) + (put-text-property (point) (1+ (point)) 'face nil) + (forward-char 1)))) + (org-src-mode) + (set-buffer-modified-p nil) + ;; Htmlize region. + (org-html-htmlize-region-for-paste + (point-min) (point-max)))) + ;; Strip any enclosing <pre></pre> tags. + (let* ((beg (and (string-match "\\`<pre[^>]*>\n*" code) (match-end 0))) + (end (and beg (string-match "</pre>\\'" code)))) + (if (and beg end) (substring code beg end) code))))))))) + +(defun org-html-do-format-code + (code &optional lang refs retain-labels num-start) + "Format CODE string as source code. +Optional arguments LANG, REFS, RETAIN-LABELS and NUM-START are, +respectively, the language of the source code, as a string, an +alist between line numbers and references (as returned by +`org-export-unravel-code'), a boolean specifying if labels should +appear in the source code, and the number associated to the first +line of code." + (let* ((code-lines (org-split-string code "\n")) + (code-length (length code-lines)) + (num-fmt + (and num-start + (format "%%%ds: " + (length (number-to-string (+ code-length num-start)))))) + (code (org-html-fontify-code code lang))) + (org-export-format-code + code + (lambda (loc line-num ref) + (setq loc + (concat + ;; Add line number, if needed. + (when num-start + (format "<span class=\"linenr\">%s</span>" + (format num-fmt line-num))) + ;; Transcoded src line. + loc + ;; Add label, if needed. + (when (and ref retain-labels) (format " (%s)" ref)))) + ;; Mark transcoded line as an anchor, if needed. + (if (not ref) loc + (format "<span id=\"coderef-%s\" class=\"coderef-off\">%s</span>" + ref loc))) + num-start refs))) + +(defun org-html-format-code (element info) + "Format contents of ELEMENT as source code. +ELEMENT is either an example block or a src block. INFO is +a plist used as a communication channel." + (let* ((lang (org-element-property :language element)) + ;; Extract code and references. + (code-info (org-export-unravel-code element)) + (code (car code-info)) + (refs (cdr code-info)) + ;; Does the src block contain labels? + (retain-labels (org-element-property :retain-labels element)) + ;; Does it have line numbers? + (num-start (case (org-element-property :number-lines element) + (continued (org-export-get-loc element info)) + (new 0)))) + (org-html-do-format-code code lang refs retain-labels num-start))) + + +;;; Tables of Contents + +(defun org-html-toc (depth info) + "Build a table of contents. +DEPTH is an integer specifying the depth of the table. INFO is a +plist used as a communication channel. Return the table of +contents as a string, or nil if it is empty." + (let ((toc-entries + (mapcar (lambda (headline) + (cons (org-html--format-toc-headline headline info) + (org-export-get-relative-level headline info))) + (org-export-collect-headlines info depth)))) + (when toc-entries + (concat "<div id=\"table-of-contents\">\n" + (format "<h%d>%s</h%d>\n" + org-html-toplevel-hlevel + (org-html--translate "Table of Contents" info) + org-html-toplevel-hlevel) + "<div id=\"text-table-of-contents\">" + (org-html--toc-text toc-entries) + "</div>\n" + "</div>\n")))) + +(defun org-html--toc-text (toc-entries) + "Return innards of a table of contents, as a string. +TOC-ENTRIES is an alist where key is an entry title, as a string, +and value is its relative level, as an integer." + (let* ((prev-level (1- (cdar toc-entries))) + (start-level prev-level)) + (concat + (mapconcat + (lambda (entry) + (let ((headline (car entry)) + (level (cdr entry))) + (concat + (let* ((cnt (- level prev-level)) + (times (if (> cnt 0) (1- cnt) (- cnt))) + rtn) + (setq prev-level level) + (concat + (org-html--make-string + times (cond ((> cnt 0) "\n<ul>\n<li>") + ((< cnt 0) "</li>\n</ul>\n"))) + (if (> cnt 0) "\n<ul>\n<li>" "</li>\n<li>"))) + headline))) + toc-entries "") + (org-html--make-string (- prev-level start-level) "</li>\n</ul>\n")))) + +(defun org-html--format-toc-headline (headline info) + "Return an appropriate table of contents entry for HEADLINE. +INFO is a plist used as a communication channel." + (let* ((headline-number (org-export-get-headline-number headline info)) + (section-number + (and (not (org-export-low-level-p headline info)) + (org-export-numbered-headline-p headline info) + (concat (mapconcat 'number-to-string headline-number ".") ". "))) + (tags (and (eq (plist-get info :with-tags) t) + (org-export-get-tags headline info)))) + (format "<a href=\"#%s\">%s</a>" + ;; Label. + (org-export-solidify-link-text + (or (org-element-property :CUSTOM_ID headline) + (concat "sec-" (mapconcat 'number-to-string + headline-number "-")))) + ;; Body. + (concat section-number + (org-export-data-with-translations + (org-export-get-alt-title headline info) + ;; Ignore any footnote-reference, link, + ;; radio-target and target in table of contents. + (append + '((footnote-reference . ignore) + (link . (lambda (link desc i) desc)) + (radio-target . (lambda (radio desc i) desc)) + (target . ignore)) + (org-export-backend-translate-table 'html)) + info) + (and tags "   ") (org-html--tags tags))))) + +(defun org-html-list-of-listings (info) + "Build a list of listings. +INFO is a plist used as a communication channel. Return the list +of listings as a string, or nil if it is empty." + (let ((lol-entries (org-export-collect-listings info))) + (when lol-entries + (concat "<div id=\"list-of-listings\">\n" + (format "<h%d>%s</h%d>\n" + org-html-toplevel-hlevel + (org-html--translate "List of Listings" info) + org-html-toplevel-hlevel) + "<div id=\"text-list-of-listings\">\n<ul>\n" + (let ((count 0) + (initial-fmt (org-html--translate "Listing %d:" info))) + (mapconcat + (lambda (entry) + (let ((label (org-element-property :name entry)) + (title (org-trim + (org-export-data + (or (org-export-get-caption entry t) + (org-export-get-caption entry)) + info)))) + (concat + "<li>" + (if (not label) + (concat (format initial-fmt (incf count)) " " title) + (format "<a href=\"#%s\">%s %s</a>" + (org-export-solidify-link-text label) + (format initial-fmt (incf count)) + title)) + "</li>"))) + lol-entries "\n")) + "\n</ul>\n</div>\n</div>")))) + +(defun org-html-list-of-tables (info) + "Build a list of tables. +INFO is a plist used as a communication channel. Return the list +of tables as a string, or nil if it is empty." + (let ((lol-entries (org-export-collect-tables info))) + (when lol-entries + (concat "<div id=\"list-of-tables\">\n" + (format "<h%d>%s</h%d>\n" + org-html-toplevel-hlevel + (org-html--translate "List of Tables" info) + org-html-toplevel-hlevel) + "<div id=\"text-list-of-tables\">\n<ul>\n" + (let ((count 0) + (initial-fmt (org-html--translate "Table %d:" info))) + (mapconcat + (lambda (entry) + (let ((label (org-element-property :name entry)) + (title (org-trim + (org-export-data + (or (org-export-get-caption entry t) + (org-export-get-caption entry)) + info)))) + (concat + "<li>" + (if (not label) + (concat (format initial-fmt (incf count)) " " title) + (format "<a href=\"#%s\">%s %s</a>" + (org-export-solidify-link-text label) + (format initial-fmt (incf count)) + title)) + "</li>"))) + lol-entries "\n")) + "\n</ul>\n</div>\n</div>")))) + + +;;; Transcode Functions + +;;;; Bold + +(defun org-html-bold (bold contents info) + "Transcode BOLD from Org to HTML. +CONTENTS is the text with bold markup. INFO is a plist holding +contextual information." + (format (or (cdr (assq 'bold org-html-text-markup-alist)) "%s") + contents)) + +;;;; Center Block + +(defun org-html-center-block (center-block contents info) + "Transcode a CENTER-BLOCK element from Org to HTML. +CONTENTS holds the contents of the block. INFO is a plist +holding contextual information." + (format "<div class=\"center\">\n%s</div>" contents)) + +;;;; Clock + +(defun org-html-clock (clock contents info) + "Transcode a CLOCK element from Org to HTML. +CONTENTS is nil. INFO is a plist used as a communication +channel." + (format "<p> +<span class=\"timestamp-wrapper\"> +<span class=\"timestamp-kwd\">%s</span> <span class=\"timestamp\">%s</span>%s +</span> +</p>" + org-clock-string + (org-translate-time + (org-element-property :raw-value + (org-element-property :value clock))) + (let ((time (org-element-property :duration clock))) + (and time (format " <span class=\"timestamp\">(%s)</span>" time))))) + +;;;; Code + +(defun org-html-code (code contents info) + "Transcode CODE from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual +information." + (format (or (cdr (assq 'code org-html-text-markup-alist)) "%s") + (org-html-encode-plain-text (org-element-property :value code)))) + +;;;; Drawer + +(defun org-html-drawer (drawer contents info) + "Transcode a DRAWER element from Org to HTML. +CONTENTS holds the contents of the block. INFO is a plist +holding contextual information." + (if (functionp org-html-format-drawer-function) + (funcall org-html-format-drawer-function + (org-element-property :drawer-name drawer) + contents) + ;; If there's no user defined function: simply + ;; display contents of the drawer. + contents)) + +;;;; Dynamic Block + +(defun org-html-dynamic-block (dynamic-block contents info) + "Transcode a DYNAMIC-BLOCK element from Org to HTML. +CONTENTS holds the contents of the block. INFO is a plist +holding contextual information. See `org-export-data'." + contents) + +;;;; Entity + +(defun org-html-entity (entity contents info) + "Transcode an ENTITY object from Org to HTML. +CONTENTS are the definition itself. INFO is a plist holding +contextual information." + (org-element-property :html entity)) + +;;;; Example Block + +(defun org-html-example-block (example-block contents info) + "Transcode a EXAMPLE-BLOCK element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual +information." + (if (org-export-read-attribute :attr_html example-block :textarea) + (org-html--textarea-block example-block) + (format "<pre class=\"example\">\n%s</pre>" + (org-html-format-code example-block info)))) + +;;;; Export Snippet + +(defun org-html-export-snippet (export-snippet contents info) + "Transcode a EXPORT-SNIPPET object from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual +information." + (when (eq (org-export-snippet-backend export-snippet) 'html) + (org-element-property :value export-snippet))) + +;;;; Export Block + +(defun org-html-export-block (export-block contents info) + "Transcode a EXPORT-BLOCK element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (when (string= (org-element-property :type export-block) "HTML") + (org-remove-indentation (org-element-property :value export-block)))) + +;;;; Fixed Width + +(defun org-html-fixed-width (fixed-width contents info) + "Transcode a FIXED-WIDTH element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (format "<pre class=\"example\">\n%s</pre>" + (org-html-do-format-code + (org-remove-indentation + (org-element-property :value fixed-width))))) + +;;;; Footnote Reference + +(defun org-html-footnote-reference (footnote-reference contents info) + "Transcode a FOOTNOTE-REFERENCE element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (concat + ;; Insert separator between two footnotes in a row. + (let ((prev (org-export-get-previous-element footnote-reference info))) + (when (eq (org-element-type prev) 'footnote-reference) + org-html-footnote-separator)) + (cond + ((not (org-export-footnote-first-reference-p footnote-reference info)) + (org-html-format-footnote-reference + (org-export-get-footnote-number footnote-reference info) + "IGNORED" 100)) + ;; Inline definitions are secondary strings. + ((eq (org-element-property :type footnote-reference) 'inline) + (org-html-format-footnote-reference + (org-export-get-footnote-number footnote-reference info) + "IGNORED" 1)) + ;; Non-inline footnotes definitions are full Org data. + (t (org-html-format-footnote-reference + (org-export-get-footnote-number footnote-reference info) + "IGNORED" 1))))) + +;;;; Headline + +(defun org-html-format-headline--wrap + (headline info &optional format-function &rest extra-keys) + "Transcode a HEADLINE element from Org to HTML. +CONTENTS holds the contents of the headline. INFO is a plist +holding contextual information." + (let* ((level (+ (org-export-get-relative-level headline info) + (1- org-html-toplevel-hlevel))) + (headline-number (org-export-get-headline-number headline info)) + (section-number (and (not (org-export-low-level-p headline info)) + (org-export-numbered-headline-p headline info) + (mapconcat 'number-to-string + headline-number "."))) + (todo (and (plist-get info :with-todo-keywords) + (let ((todo (org-element-property :todo-keyword headline))) + (and todo (org-export-data todo info))))) + (todo-type (and todo (org-element-property :todo-type headline))) + (priority (and (plist-get info :with-priority) + (org-element-property :priority headline))) + (text (org-export-data (org-element-property :title headline) info)) + (tags (and (plist-get info :with-tags) + (org-export-get-tags headline info))) + (headline-label (or (org-element-property :CUSTOM_ID headline) + (concat "sec-" (mapconcat 'number-to-string + headline-number "-")))) + (format-function + (cond ((functionp format-function) format-function) + ((functionp org-html-format-headline-function) + (lambda (todo todo-type priority text tags &rest ignore) + (funcall org-html-format-headline-function + todo todo-type priority text tags))) + (t 'org-html-format-headline)))) + (apply format-function + todo todo-type priority text tags + :headline-label headline-label :level level + :section-number section-number extra-keys))) + +(defun org-html-headline (headline contents info) + "Transcode a HEADLINE element from Org to HTML. +CONTENTS holds the contents of the headline. INFO is a plist +holding contextual information." + ;; Empty contents? + (setq contents (or contents "")) + (let* ((numberedp (org-export-numbered-headline-p headline info)) + (level (org-export-get-relative-level headline info)) + (text (org-export-data (org-element-property :title headline) info)) + (todo (and (plist-get info :with-todo-keywords) + (let ((todo (org-element-property :todo-keyword headline))) + (and todo (org-export-data todo info))))) + (todo-type (and todo (org-element-property :todo-type headline))) + (tags (and (plist-get info :with-tags) + (org-export-get-tags headline info))) + (priority (and (plist-get info :with-priority) + (org-element-property :priority headline))) + (section-number (and (org-export-numbered-headline-p headline info) + (mapconcat 'number-to-string + (org-export-get-headline-number + headline info) "."))) + ;; Create the headline text. + (full-text (org-html-format-headline--wrap headline info))) + (cond + ;; Case 1: This is a footnote section: ignore it. + ((org-element-property :footnote-section-p headline) nil) + ;; Case 2. This is a deep sub-tree: export it as a list item. + ;; Also export as items headlines for which no section + ;; format has been found. + ((org-export-low-level-p headline info) + ;; Build the real contents of the sub-tree. + (let* ((type (if numberedp 'ordered 'unordered)) + (itemized-body (org-html-format-list-item + contents type nil nil full-text))) + (concat + (and (org-export-first-sibling-p headline info) + (org-html-begin-plain-list type)) + itemized-body + (and (org-export-last-sibling-p headline info) + (org-html-end-plain-list type))))) + ;; Case 3. Standard headline. Export it as a section. + (t + (let* ((section-number (mapconcat 'number-to-string + (org-export-get-headline-number + headline info) "-")) + (ids (remove 'nil + (list (org-element-property :CUSTOM_ID headline) + (concat "sec-" section-number) + (org-element-property :ID headline)))) + (preferred-id (car ids)) + (extra-ids (cdr ids)) + (extra-class (org-element-property :HTML_CONTAINER_CLASS headline)) + (level1 (+ level (1- org-html-toplevel-hlevel))) + (first-content (car (org-element-contents headline)))) + (format "<%s id=\"%s\" class=\"%s\">%s%s</%s>\n" + (org-html--container headline info) + (format "outline-container-%s" + (or (org-element-property :CUSTOM_ID headline) + (concat "sec-" section-number))) + (concat (format "outline-%d" level1) (and extra-class " ") + extra-class) + (format "\n<h%d id=\"%s\">%s%s</h%d>\n" + level1 + preferred-id + (mapconcat + (lambda (x) + (let ((id (org-export-solidify-link-text + (if (org-uuidgen-p x) (concat "ID-" x) + x)))) + (org-html--anchor id))) + extra-ids "") + full-text + level1) + ;; When there is no section, pretend there is an empty + ;; one to get the correct <div class="outline- ...> + ;; which is needed by `org-info.js'. + (if (not (eq (org-element-type first-content) 'section)) + (concat (org-html-section first-content "" info) + contents) + contents) + (org-html--container headline info))))))) + +(defun org-html--container (headline info) + (or (org-element-property :HTML_CONTAINER headline) + (if (= 1 (org-export-get-relative-level headline info)) + (plist-get info :html-container) + "div"))) + +;;;; Horizontal Rule + +(defun org-html-horizontal-rule (horizontal-rule contents info) + "Transcode an HORIZONTAL-RULE object from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + "<hr/>") + +;;;; Inline Src Block + +(defun org-html-inline-src-block (inline-src-block contents info) + "Transcode an INLINE-SRC-BLOCK element from Org to HTML. +CONTENTS holds the contents of the item. INFO is a plist holding +contextual information." + (let* ((org-lang (org-element-property :language inline-src-block)) + (code (org-element-property :value inline-src-block))) + (error "Cannot export inline src block"))) + +;;;; Inlinetask + +(defun org-html-format-section (text class &optional id) + "Format a section with TEXT into a HTML div with CLASS and ID." + (let ((extra (concat (when id (format " id=\"%s\"" id))))) + (concat (format "<div class=\"%s\"%s>\n" class extra) text "</div>\n"))) + +(defun org-html-inlinetask (inlinetask contents info) + "Transcode an INLINETASK element from Org to HTML. +CONTENTS holds the contents of the block. INFO is a plist +holding contextual information." + (cond + ;; If `org-html-format-inlinetask-function' is provided, call it + ;; with appropriate arguments. + ((functionp org-html-format-inlinetask-function) + (let ((format-function + (function* + (lambda (todo todo-type priority text tags + &key contents &allow-other-keys) + (funcall org-html-format-inlinetask-function + todo todo-type priority text tags contents))))) + (org-html-format-headline--wrap + inlinetask info format-function :contents contents))) + ;; Otherwise, use a default template. + (t (format "<div class=\"inlinetask\">\n<b>%s</b><br/>\n%s</div>" + (org-html-format-headline--wrap inlinetask info) + contents)))) + +;;;; Italic + +(defun org-html-italic (italic contents info) + "Transcode ITALIC from Org to HTML. +CONTENTS is the text with italic markup. INFO is a plist holding +contextual information." + (format (or (cdr (assq 'italic org-html-text-markup-alist)) "%s") contents)) + +;;;; Item + +(defun org-html-checkbox (checkbox) + "Format CHECKBOX into HTML." + (case checkbox (on "<code>[X]</code>") + (off "<code>[ ]</code>") + (trans "<code>[-]</code>") + (t ""))) + +(defun org-html-format-list-item (contents type checkbox + &optional term-counter-id + headline) + "Format a list item into HTML." + (let ((checkbox (concat (org-html-checkbox checkbox) (and checkbox " ")))) + (concat + (case type + (ordered + (let* ((counter term-counter-id) + (extra (if counter (format " value=\"%s\"" counter) ""))) + (concat + (format "<li%s>" extra) + (when headline (concat headline "<br/>"))))) + (unordered + (let* ((id term-counter-id) + (extra (if id (format " id=\"%s\"" id) ""))) + (concat + (format "<li%s>" extra) + (when headline (concat headline "<br/>"))))) + (descriptive + (let* ((term term-counter-id)) + (setq term (or term "(no term)")) + ;; Check-boxes in descriptive lists are associated to tag. + (concat (format "<dt> %s </dt>" + (concat checkbox term)) + "<dd>")))) + (unless (eq type 'descriptive) checkbox) + contents + (case type + (ordered "</li>") + (unordered "</li>") + (descriptive "</dd>"))))) + +(defun org-html-item (item contents info) + "Transcode an ITEM element from Org to HTML. +CONTENTS holds the contents of the item. INFO is a plist holding +contextual information." + (let* ((plain-list (org-export-get-parent item)) + (type (org-element-property :type plain-list)) + (counter (org-element-property :counter item)) + (checkbox (org-element-property :checkbox item)) + (tag (let ((tag (org-element-property :tag item))) + (and tag (org-export-data tag info))))) + (org-html-format-list-item + contents type checkbox (or tag counter)))) + +;;;; Keyword + +(defun org-html-keyword (keyword contents info) + "Transcode a KEYWORD element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (let ((key (org-element-property :key keyword)) + (value (org-element-property :value keyword))) + (cond + ((string= key "HTML") value) + ((string= key "TOC") + (let ((value (downcase value))) + (cond + ((string-match "\\<headlines\\>" value) + (let ((depth (or (and (string-match "[0-9]+" value) + (string-to-number (match-string 0 value))) + (plist-get info :with-toc)))) + (org-html-toc depth info))) + ((string= "listings" value) (org-html-list-of-listings info)) + ((string= "tables" value) (org-html-list-of-tables info)))))))) + +;;;; Latex Environment + +(defun org-html-format-latex (latex-frag processing-type) + "Format a LaTeX fragment LATEX-FRAG into HTML." + (let ((cache-relpath "") (cache-dir "")) + (unless (eq processing-type 'mathjax) + (let ((bfn (or (buffer-file-name) + (make-temp-name + (expand-file-name "latex" temporary-file-directory))))) + (setq cache-relpath + (concat "ltxpng/" + (file-name-sans-extension + (file-name-nondirectory bfn))) + cache-dir (file-name-directory bfn)))) + (with-temp-buffer + (insert latex-frag) + (org-format-latex cache-relpath cache-dir nil "Creating LaTeX Image..." + nil nil processing-type) + (buffer-string)))) + +(defun org-html-latex-environment (latex-environment contents info) + "Transcode a LATEX-ENVIRONMENT element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (let ((processing-type (plist-get info :with-latex)) + (latex-frag (org-remove-indentation + (org-element-property :value latex-environment))) + (caption (org-export-data + (org-export-get-caption latex-environment) info)) + (attr nil) ; FIXME + (label (org-element-property :name latex-environment))) + (cond + ((memq processing-type '(t mathjax)) + (org-html-format-latex latex-frag 'mathjax)) + ((eq processing-type 'dvipng) + (let* ((formula-link (org-html-format-latex + latex-frag processing-type))) + (when (and formula-link + (string-match "file:\\([^]]*\\)" formula-link)) + (org-html-format-inline-image + (match-string 1 formula-link) caption label attr t)))) + (t latex-frag)))) + +;;;; Latex Fragment + +(defun org-html-latex-fragment (latex-fragment contents info) + "Transcode a LATEX-FRAGMENT object from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (let ((latex-frag (org-element-property :value latex-fragment)) + (processing-type (plist-get info :with-latex))) + (case processing-type + ((t mathjax) + (org-html-format-latex latex-frag 'mathjax)) + (dvipng + (let* ((formula-link (org-html-format-latex + latex-frag processing-type))) + (when (and formula-link + (string-match "file:\\([^]]*\\)" formula-link)) + (org-html-format-inline-image + (match-string 1 formula-link))))) + (t latex-frag)))) + +;;;; Line Break + +(defun org-html-line-break (line-break contents info) + "Transcode a LINE-BREAK object from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + "<br/>\n") + +;;;; Link + +(defun org-html-link--inline-image (link desc info) + "Return HTML code for an inline image. + +LINK is the link pointing to the inline image. INFO is a plist +used as a communication channel. + +Inline images can have these attributes: + +#+ATTR_HTML: :width 100px :height 100px :alt \"Alt description\"." + (let* ((type (org-element-property :type link)) + (raw-path (org-element-property :path link)) + (path (cond ((member type '("http" "https")) + (concat type ":" raw-path)) + ((file-name-absolute-p raw-path) + (expand-file-name raw-path)) + (t raw-path))) + (parent (org-export-get-parent-element link)) + (caption (org-export-data (org-export-get-caption parent) info)) + (label (org-element-property :name parent))) + ;; Return proper string, depending on DISPOSITION. + (org-html-format-inline-image + path caption label + (org-html--make-attribute-string + (org-export-read-attribute :attr_html parent)) + (org-html-standalone-image-p link info)))) + +(defvar org-html-standalone-image-predicate) +(defun org-html-standalone-image-p (element info &optional predicate) + "Test if ELEMENT is a standalone image for the purpose HTML export. +INFO is a plist holding contextual information. + +Return non-nil, if ELEMENT is of type paragraph and it's sole +content, save for whitespaces, is a link that qualifies as an +inline image. + +Return non-nil, if ELEMENT is of type link and it's containing +paragraph has no other content save for leading and trailing +whitespaces. + +Return nil, otherwise. + +Bind `org-html-standalone-image-predicate' to constrain +paragraph further. For example, to check for only captioned +standalone images, do the following. + + \(setq org-html-standalone-image-predicate + \(lambda \(paragraph\) + \(org-element-property :caption paragraph\)\)\)" + (let ((paragraph (case (org-element-type element) + (paragraph element) + (link (and (org-export-inline-image-p + element org-html-inline-image-rules) + (org-export-get-parent element))) + (t nil)))) + (when (eq (org-element-type paragraph) 'paragraph) + (when (or (not (and (boundp 'org-html-standalone-image-predicate) + (functionp org-html-standalone-image-predicate))) + (funcall org-html-standalone-image-predicate paragraph)) + (let ((contents (org-element-contents paragraph))) + (loop for x in contents + with inline-image-count = 0 + always (cond + ((eq (org-element-type x) 'plain-text) + (not (org-string-nw-p x))) + ((eq (org-element-type x) 'link) + (when (org-export-inline-image-p + x org-html-inline-image-rules) + (= (incf inline-image-count) 1))) + (t nil)))))))) + +(defun org-html-link (link desc info) + "Transcode a LINK object from Org to HTML. + +DESC is the description part of the link, or the empty string. +INFO is a plist holding contextual information. See +`org-export-data'." + (let* ((link-org-files-as-html-maybe + (function + (lambda (raw-path info) + "Treat links to `file.org' as links to `file.html', if needed. + See `org-html-link-org-files-as-html'." + (cond + ((and org-html-link-org-files-as-html + (string= ".org" + (downcase (file-name-extension raw-path ".")))) + (concat (file-name-sans-extension raw-path) "." + (plist-get info :html-extension))) + (t raw-path))))) + (type (org-element-property :type link)) + (raw-path (org-element-property :path link)) + ;; Ensure DESC really exists, or set it to nil. + (desc (org-string-nw-p desc)) + (path + (cond + ((member type '("http" "https" "ftp" "mailto")) + (concat type ":" raw-path)) + ((string= type "file") + ;; Treat links to ".org" files as ".html", if needed. + (setq raw-path + (funcall link-org-files-as-html-maybe raw-path info)) + ;; If file path is absolute, prepend it with protocol + ;; component - "file://". + (when (file-name-absolute-p raw-path) + (setq raw-path + (concat "file://" (expand-file-name raw-path)))) + ;; Add search option, if any. A search option can be + ;; relative to a custom-id or a headline title. Any other + ;; option is ignored. + (let ((option (org-element-property :search-option link))) + (cond ((not option) raw-path) + ((eq (aref option 0) ?#) (concat raw-path option)) + ;; External fuzzy link: try to resolve it if path + ;; belongs to current project, if any. + ((eq (aref option 0) ?*) + (concat + raw-path + (let ((numbers + (org-publish-resolve-external-fuzzy-link + (org-element-property :path link) option))) + (and numbers (concat "#sec-" + (mapconcat 'number-to-string + numbers "-")))))) + (t raw-path)))) + (t raw-path))) + ;; Extract attributes from parent's paragraph. HACK: Only do + ;; this for the first link in parent. This is needed as long + ;; as attributes cannot be set on a per link basis. + (attributes + (let ((parent (org-export-get-parent-element link))) + (if (not (eq (org-element-map parent 'link 'identity info t) link)) + "" + (let ((att (org-html--make-attribute-string + (org-export-read-attribute :attr_html parent)))) + (cond ((not (org-string-nw-p att)) "") + ((and desc (string-match (regexp-quote att) desc)) "") + (t (concat " " att))))))) + protocol) + (cond + ;; Image file. + ((and (or (eq t org-html-inline-images) + (and org-html-inline-images (not desc))) + (org-export-inline-image-p link org-html-inline-image-rules)) + (org-html-link--inline-image link desc info)) + ;; Radio target: Transcode target's contents and use them as + ;; link's description. + ((string= type "radio") + (let ((destination (org-export-resolve-radio-link link info))) + (when destination + (format "<a href=\"#%s\"%s>%s</a>" + (org-export-solidify-link-text path) + attributes + (org-export-data (org-element-contents destination) info))))) + ;; Links pointing to a headline: Find destination and build + ;; appropriate referencing command. + ((member type '("custom-id" "fuzzy" "id")) + (let ((destination (if (string= type "fuzzy") + (org-export-resolve-fuzzy-link link info) + (org-export-resolve-id-link link info)))) + (case (org-element-type destination) + ;; ID link points to an external file. + (plain-text + (let ((fragment (concat "ID-" path)) + ;; Treat links to ".org" files as ".html", if needed. + (path (funcall link-org-files-as-html-maybe + destination info))) + (format "<a href=\"%s#%s\"%s>%s</a>" + path fragment attributes (or desc destination)))) + ;; Fuzzy link points nowhere. + ((nil) + (format "<i>%s</i>" + (or desc + (org-export-data + (org-element-property :raw-link link) info)))) + ;; Fuzzy link points to an invisible target. + (keyword nil) + ;; Link points to a headline. + (headline + (let ((href + ;; What href to use? + (cond + ;; Case 1: Headline is linked via it's CUSTOM_ID + ;; property. Use CUSTOM_ID. + ((string= type "custom-id") + (org-element-property :CUSTOM_ID destination)) + ;; Case 2: Headline is linked via it's ID property + ;; or through other means. Use the default href. + ((member type '("id" "fuzzy")) + (format "sec-%s" + (mapconcat 'number-to-string + (org-export-get-headline-number + destination info) "-"))) + (t (error "Shouldn't reach here")))) + ;; What description to use? + (desc + ;; Case 1: Headline is numbered and LINK has no + ;; description. Display section number. + (if (and (org-export-numbered-headline-p destination info) + (not desc)) + (mapconcat 'number-to-string + (org-export-get-headline-number + destination info) ".") + ;; Case 2: Either the headline is un-numbered or + ;; LINK has a custom description. Display LINK's + ;; description or headline's title. + (or desc (org-export-data (org-element-property + :title destination) info))))) + (format "<a href=\"#%s\"%s>%s</a>" + (org-export-solidify-link-text href) attributes desc))) + ;; Fuzzy link points to a target. Do as above. + (t + (let ((path (org-export-solidify-link-text path)) number) + (unless desc + (setq number (cond + ((org-html-standalone-image-p destination info) + (org-export-get-ordinal + (assoc 'link (org-element-contents destination)) + info 'link 'org-html-standalone-image-p)) + (t (org-export-get-ordinal destination info)))) + (setq desc (when number + (if (atom number) (number-to-string number) + (mapconcat 'number-to-string number "."))))) + (format "<a href=\"#%s\"%s>%s</a>" + path attributes (or desc "No description for this link"))))))) + ;; Coderef: replace link with the reference name or the + ;; equivalent line number. + ((string= type "coderef") + (let ((fragment (concat "coderef-" path))) + (format "<a href=\"#%s\"%s%s>%s</a>" + fragment + (org-trim + (format (concat "class=\"coderef\"" + " onmouseover=\"CodeHighlightOn(this, '%s');\"" + " onmouseout=\"CodeHighlightOff(this, '%s');\"") + fragment fragment)) + attributes + (format (org-export-get-coderef-format path desc) + (org-export-resolve-coderef path info))))) + ;; Link type is handled by a special function. + ((functionp (setq protocol (nth 2 (assoc type org-link-protocols)))) + (funcall protocol (org-link-unescape path) desc 'html)) + ;; External link with a description part. + ((and path desc) (format "<a href=\"%s\"%s>%s</a>" path attributes desc)) + ;; External link without a description part. + (path (format "<a href=\"%s\"%s>%s</a>" path attributes path)) + ;; No path, only description. Try to do something useful. + (t (format "<i>%s</i>" desc))))) + +;;;; Paragraph + +(defun org-html-paragraph (paragraph contents info) + "Transcode a PARAGRAPH element from Org to HTML. +CONTENTS is the contents of the paragraph, as a string. INFO is +the plist used as a communication channel." + (let* ((parent (org-export-get-parent paragraph)) + (parent-type (org-element-type parent)) + (style '((footnote-definition " class=\"footpara\""))) + (extra (or (cadr (assoc parent-type style)) ""))) + (cond + ((and (eq (org-element-type parent) 'item) + (= (org-element-property :begin paragraph) + (org-element-property :contents-begin parent))) + ;; leading paragraph in a list item have no tags + contents) + ((org-html-standalone-image-p paragraph info) + ;; standalone image + contents) + (t (format "<p%s>\n%s</p>" extra contents))))) + +;;;; Plain List + +;; FIXME Maybe arg1 is not needed because <li value="20"> already sets +;; the correct value for the item counter +(defun org-html-begin-plain-list (type &optional arg1) + "Insert the beginning of the HTML list depending on TYPE. +When ARG1 is a string, use it as the start parameter for ordered +lists." + (case type + (ordered + (format "<ol class=\"org-ol\"%s>" + (if arg1 (format " start=\"%d\"" arg1) ""))) + (unordered "<ul class=\"org-ul\">") + (descriptive "<dl class=\"org-dl\">"))) + +(defun org-html-end-plain-list (type) + "Insert the end of the HTML list depending on TYPE." + (case type + (ordered "</ol>") + (unordered "</ul>") + (descriptive "</dl>"))) + +(defun org-html-plain-list (plain-list contents info) + "Transcode a PLAIN-LIST element from Org to HTML. +CONTENTS is the contents of the list. INFO is a plist holding +contextual information." + (let* (arg1 ;; (assoc :counter (org-element-map plain-list 'item + (type (org-element-property :type plain-list))) + (format "%s\n%s%s" + (org-html-begin-plain-list type) + contents (org-html-end-plain-list type)))) + +;;;; Plain Text + +(defun org-html-convert-special-strings (string) + "Convert special characters in STRING to HTML." + (let ((all org-html-special-string-regexps) + e a re rpl start) + (while (setq a (pop all)) + (setq re (car a) rpl (cdr a) start 0) + (while (string-match re string start) + (setq string (replace-match rpl t nil string)))) + string)) + +(defun org-html-encode-plain-text (text) + "Convert plain text characters from TEXT to HTML equivalent. +Possible conversions are set in `org-html-protect-char-alist'." + (mapc + (lambda (pair) + (setq text (replace-regexp-in-string (car pair) (cdr pair) text t t))) + org-html-protect-char-alist) + text) + +(defun org-html-plain-text (text info) + "Transcode a TEXT string from Org to HTML. +TEXT is the string to transcode. INFO is a plist holding +contextual information." + (let ((output text)) + ;; Protect following characters: <, >, &. + (setq output (org-html-encode-plain-text output)) + ;; Handle smart quotes. Be sure to provide original string since + ;; OUTPUT may have been modified. + (when (plist-get info :with-smart-quotes) + (setq output (org-export-activate-smart-quotes output :html info text))) + ;; Handle special strings. + (when (plist-get info :with-special-strings) + (setq output (org-html-convert-special-strings output))) + ;; Handle break preservation if required. + (when (plist-get info :preserve-breaks) + (setq output + (replace-regexp-in-string + "\\(\\\\\\\\\\)?[ \t]*\n" "<br/>\n" output))) + ;; Return value. + output)) + + +;; Planning + +(defun org-html-planning (planning contents info) + "Transcode a PLANNING element from Org to HTML. +CONTENTS is nil. INFO is a plist used as a communication +channel." + (let ((span-fmt "<span class=\"timestamp-kwd\">%s</span> <span class=\"timestamp\">%s</span>")) + (format + "<p><span class=\"timestamp-wrapper\">%s</span></p>" + (mapconcat + 'identity + (delq nil + (list + (let ((closed (org-element-property :closed planning))) + (when closed + (format span-fmt org-closed-string + (org-translate-time + (org-element-property :raw-value closed))))) + (let ((deadline (org-element-property :deadline planning))) + (when deadline + (format span-fmt org-deadline-string + (org-translate-time + (org-element-property :raw-value deadline))))) + (let ((scheduled (org-element-property :scheduled planning))) + (when scheduled + (format span-fmt org-scheduled-string + (org-translate-time + (org-element-property :raw-value scheduled))))))) + " ")))) + +;;;; Property Drawer + +(defun org-html-property-drawer (property-drawer contents info) + "Transcode a PROPERTY-DRAWER element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual +information." + ;; The property drawer isn't exported but we want separating blank + ;; lines nonetheless. + "") + +;;;; Quote Block + +(defun org-html-quote-block (quote-block contents info) + "Transcode a QUOTE-BLOCK element from Org to HTML. +CONTENTS holds the contents of the block. INFO is a plist +holding contextual information." + (format "<blockquote>\n%s</blockquote>" contents)) + +;;;; Quote Section + +(defun org-html-quote-section (quote-section contents info) + "Transcode a QUOTE-SECTION element from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (let ((value (org-remove-indentation + (org-element-property :value quote-section)))) + (when value (format "<pre>\n%s</pre>" value)))) + +;;;; Section + +(defun org-html-section (section contents info) + "Transcode a SECTION element from Org to HTML. +CONTENTS holds the contents of the section. INFO is a plist +holding contextual information." + (let ((parent (org-export-get-parent-headline section))) + ;; Before first headline: no container, just return CONTENTS. + (if (not parent) contents + ;; Get div's class and id references. + (let* ((class-num (+ (org-export-get-relative-level parent info) + (1- org-html-toplevel-hlevel))) + (section-number + (mapconcat + 'number-to-string + (org-export-get-headline-number parent info) "-"))) + ;; Build return value. + (format "<div class=\"outline-text-%d\" id=\"text-%s\">\n%s</div>" + class-num + (or (org-element-property :CUSTOM_ID parent) section-number) + contents))))) + +;;;; Radio Target + +(defun org-html-radio-target (radio-target text info) + "Transcode a RADIO-TARGET object from Org to HTML. +TEXT is the text of the target. INFO is a plist holding +contextual information." + (let ((id (org-export-solidify-link-text + (org-element-property :value radio-target)))) + (org-html--anchor id text))) + +;;;; Special Block + +(defun org-html-special-block (special-block contents info) + "Transcode a SPECIAL-BLOCK element from Org to HTML. +CONTENTS holds the contents of the block. INFO is a plist +holding contextual information." + (format "<div class=\"%s\">\n%s\n</div>" + (downcase (org-element-property :type special-block)) + contents)) + +;;;; Src Block + +(defun org-html-src-block (src-block contents info) + "Transcode a SRC-BLOCK element from Org to HTML. +CONTENTS holds the contents of the item. INFO is a plist holding +contextual information." + (if (org-export-read-attribute :attr_html src-block :textarea) + (org-html--textarea-block src-block) + (let ((lang (org-element-property :language src-block)) + (caption (org-export-get-caption src-block)) + (code (org-html-format-code src-block info)) + (label (let ((lbl (org-element-property :name src-block))) + (if (not lbl) "" + (format " id=\"%s\"" + (org-export-solidify-link-text lbl)))))) + (if (not lang) (format "<pre class=\"example\"%s>\n%s</pre>" label code) + (format + "<div class=\"org-src-container\">\n%s%s\n</div>" + (if (not caption) "" + (format "<label class=\"org-src-name\">%s</label>" + (org-export-data caption info))) + (format "\n<pre class=\"src src-%s\"%s>%s</pre>" lang label code)))))) + +;;;; Statistics Cookie + +(defun org-html-statistics-cookie (statistics-cookie contents info) + "Transcode a STATISTICS-COOKIE object from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual information." + (let ((cookie-value (org-element-property :value statistics-cookie))) + (format "<code>%s</code>" cookie-value))) + +;;;; Strike-Through + +(defun org-html-strike-through (strike-through contents info) + "Transcode STRIKE-THROUGH from Org to HTML. +CONTENTS is the text with strike-through markup. INFO is a plist +holding contextual information." + (format (or (cdr (assq 'strike-through org-html-text-markup-alist)) "%s") + contents)) + +;;;; Subscript + +(defun org-html-subscript (subscript contents info) + "Transcode a SUBSCRIPT object from Org to HTML. +CONTENTS is the contents of the object. INFO is a plist holding +contextual information." + (format "<sub>%s</sub>" contents)) + +;;;; Superscript + +(defun org-html-superscript (superscript contents info) + "Transcode a SUPERSCRIPT object from Org to HTML. +CONTENTS is the contents of the object. INFO is a plist holding +contextual information." + (format "<sup>%s</sup>" contents)) + +;;;; Tabel Cell + +(defun org-html-table-cell (table-cell contents info) + "Transcode a TABLE-CELL element from Org to HTML. +CONTENTS is nil. INFO is a plist used as a communication +channel." + (let* ((table-row (org-export-get-parent table-cell)) + (table (org-export-get-parent-table table-cell)) + (cell-attrs + (if (not org-html-table-align-individual-fields) "" + (format (if (and (boundp 'org-html-format-table-no-css) + org-html-format-table-no-css) + " align=\"%s\"" " class=\"%s\"") + (org-export-table-cell-alignment table-cell info))))) + (when (or (not contents) (string= "" (org-trim contents))) + (setq contents " ")) + (cond + ((and (org-export-table-has-header-p table info) + (= 1 (org-export-table-row-group table-row info))) + (concat "\n" (format (car org-html-table-header-tags) "col" cell-attrs) + contents (cdr org-html-table-header-tags))) + ((and org-html-table-use-header-tags-for-first-column + (zerop (cdr (org-export-table-cell-address table-cell info)))) + (concat "\n" (format (car org-html-table-header-tags) "row" cell-attrs) + contents (cdr org-html-table-header-tags))) + (t (concat "\n" (format (car org-html-table-data-tags) cell-attrs) + contents (cdr org-html-table-data-tags)))))) + +;;;; Table Row + +(defun org-html-table-row (table-row contents info) + "Transcode a TABLE-ROW element from Org to HTML. +CONTENTS is the contents of the row. INFO is a plist used as a +communication channel." + ;; Rules are ignored since table separators are deduced from + ;; borders of the current row. + (when (eq (org-element-property :type table-row) 'standard) + (let* ((rowgroup-number (org-export-table-row-group table-row info)) + (row-number (org-export-table-row-number table-row info)) + (start-rowgroup-p + (org-export-table-row-starts-rowgroup-p table-row info)) + (end-rowgroup-p + (org-export-table-row-ends-rowgroup-p table-row info)) + ;; `top-row-p' and `end-rowgroup-p' are not used directly + ;; but should be set so that `org-html-table-row-tags' can + ;; use them (see the docstring of this variable.) + (top-row-p (and (equal start-rowgroup-p '(top)) + (equal end-rowgroup-p '(below top)))) + (bottom-row-p (and (equal start-rowgroup-p '(above)) + (equal end-rowgroup-p '(bottom above)))) + (rowgroup-tags + (cond + ;; Case 1: Row belongs to second or subsequent rowgroups. + ((not (= 1 rowgroup-number)) + '("<tbody>" . "\n</tbody>")) + ;; Case 2: Row is from first rowgroup. Table has >=1 rowgroups. + ((org-export-table-has-header-p + (org-export-get-parent-table table-row) info) + '("<thead>" . "\n</thead>")) + ;; Case 2: Row is from first and only row group. + (t '("<tbody>" . "\n</tbody>"))))) + (concat + ;; Begin a rowgroup? + (when start-rowgroup-p (car rowgroup-tags)) + ;; Actual table row + (concat "\n" (eval (car org-html-table-row-tags)) + contents + "\n" + (eval (cdr org-html-table-row-tags))) + ;; End a rowgroup? + (when end-rowgroup-p (cdr rowgroup-tags)))))) + +;;;; Table + +(defun org-html-table-first-row-data-cells (table info) + "Transcode the first row of TABLE. +INFO is a plist used as a communication channel." + (let ((table-row + (org-element-map table 'table-row + (lambda (row) + (unless (eq (org-element-property :type row) 'rule) row)) + info 'first-match)) + (special-column-p (org-export-table-has-special-column-p table))) + (if (not special-column-p) (org-element-contents table-row) + (cdr (org-element-contents table-row))))) + +(defun org-html-table--table.el-table (table info) + "Format table.el tables into HTML. +INFO is a plist used as a communication channel." + (when (eq (org-element-property :type table) 'table.el) + (require 'table) + (let ((outbuf (with-current-buffer + (get-buffer-create "*org-export-table*") + (erase-buffer) (current-buffer)))) + (with-temp-buffer + (insert (org-element-property :value table)) + (goto-char 1) + (re-search-forward "^[ \t]*|[^|]" nil t) + (table-generate-source 'html outbuf)) + (with-current-buffer outbuf + (prog1 (org-trim (buffer-string)) + (kill-buffer) ))))) + +(defun org-html-table (table contents info) + "Transcode a TABLE element from Org to HTML. +CONTENTS is the contents of the table. INFO is a plist holding +contextual information." + (case (org-element-property :type table) + ;; Case 1: table.el table. Convert it using appropriate tools. + (table.el (org-html-table--table.el-table table info)) + ;; Case 2: Standard table. + (t + (let* ((label (org-element-property :name table)) + (caption (org-export-get-caption table)) + (attributes + (org-html--make-attribute-string + (org-combine-plists + (and label (list :id (org-export-solidify-link-text label))) + (plist-get info :html-table-attributes) + (org-export-read-attribute :attr_html table)))) + (alignspec + (if (and (boundp 'org-html-format-table-no-css) + org-html-format-table-no-css) + "align=\"%s\"" "class=\"%s\"")) + (table-column-specs + (function + (lambda (table info) + (mapconcat + (lambda (table-cell) + (let ((alignment (org-export-table-cell-alignment + table-cell info))) + (concat + ;; Begin a colgroup? + (when (org-export-table-cell-starts-colgroup-p + table-cell info) + "\n<colgroup>") + ;; Add a column. Also specify it's alignment. + (format "\n<col %s/>" (format alignspec alignment)) + ;; End a colgroup? + (when (org-export-table-cell-ends-colgroup-p + table-cell info) + "\n</colgroup>")))) + (org-html-table-first-row-data-cells table info) "\n"))))) + (format "<table%s>\n%s\n%s\n%s</table>" + (if (equal attributes "") "" (concat " " attributes)) + (if (not caption) "" + (format "<caption>%s</caption>" + (org-export-data caption info))) + (funcall table-column-specs table info) + contents))))) + +;;;; Target + +(defun org-html-target (target contents info) + "Transcode a TARGET object from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual +information." + (let ((id (org-export-solidify-link-text + (org-element-property :value target)))) + (org-html--anchor id))) + +;;;; Timestamp + +(defun org-html-timestamp (timestamp contents info) + "Transcode a TIMESTAMP object from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual +information." + (let ((value (org-html-plain-text + (org-timestamp-translate timestamp) info))) + (format "<span class=\"timestamp-wrapper\"><span class=\"timestamp\">%s</span></span>" + (replace-regexp-in-string "--" "–" value)))) + +;;;; Underline + +(defun org-html-underline (underline contents info) + "Transcode UNDERLINE from Org to HTML. +CONTENTS is the text with underline markup. INFO is a plist +holding contextual information." + (format (or (cdr (assq 'underline org-html-text-markup-alist)) "%s") + contents)) + +;;;; Verbatim + +(defun org-html-verbatim (verbatim contents info) + "Transcode VERBATIM from Org to HTML. +CONTENTS is nil. INFO is a plist holding contextual +information." + (format (or (cdr (assq 'verbatim org-html-text-markup-alist)) "%s") + (org-html-encode-plain-text (org-element-property :value verbatim)))) + +;;;; Verse Block + +(defun org-html-verse-block (verse-block contents info) + "Transcode a VERSE-BLOCK element from Org to HTML. +CONTENTS is verse block contents. INFO is a plist holding +contextual information." + ;; Replace each newline character with line break. Also replace + ;; each blank line with a line break. + (setq contents (replace-regexp-in-string + "^ *\\\\\\\\$" "<br/>\n" + (replace-regexp-in-string + "\\(\\\\\\\\\\)?[ \t]*\n" " <br/>\n" contents))) + ;; Replace each white space at beginning of a line with a + ;; non-breaking space. + (while (string-match "^[ \t]+" contents) + (let* ((num-ws (length (match-string 0 contents))) + (ws (let (out) (dotimes (i num-ws out) + (setq out (concat out " ")))))) + (setq contents (replace-match ws nil t contents)))) + (format "<p class=\"verse\">\n%s</p>" contents)) + + +;;; Filter Functions + +(defun org-html-final-function (contents backend info) + "Filter to indent the HTML and convert HTML entities." + (with-temp-buffer + (insert contents) + (set-auto-mode t) + (if org-html-indent + (indent-region (point-min) (point-max))) + (when org-html-use-unicode-chars + (require 'mm-url) + (mm-url-decode-entities)) + (buffer-substring-no-properties (point-min) (point-max)))) + + +;;; End-user functions + +;;;###autoload +(defun org-html-export-as-html + (&optional async subtreep visible-only body-only ext-plist) + "Export current buffer to an HTML buffer. + +If narrowing is active in the current buffer, only export its +narrowed part. + +If a region is active, export that region. + +A non-nil optional argument ASYNC means the process should happen +asynchronously. The resulting buffer should be accessible +through the `org-export-stack' interface. + +When optional argument SUBTREEP is non-nil, export the sub-tree +at point, extracting information from the headline properties +first. + +When optional argument VISIBLE-ONLY is non-nil, don't export +contents of hidden elements. + +When optional argument BODY-ONLY is non-nil, only write code +between \"<body>\" and \"</body>\" tags. + +EXT-PLIST, when provided, is a property list with external +parameters overriding Org default settings, but still inferior to +file-local settings. + +Export is done in a buffer named \"*Org HTML Export*\", which +will be displayed when `org-export-show-temporary-export-buffer' +is non-nil." + (interactive) + (if async + (org-export-async-start + (lambda (output) + (with-current-buffer (get-buffer-create "*Org HTML Export*") + (erase-buffer) + (insert output) + (goto-char (point-min)) + (set-auto-mode t) + (org-export-add-to-stack (current-buffer) 'html))) + `(org-export-as 'html ,subtreep ,visible-only ,body-only ',ext-plist)) + (let ((outbuf (org-export-to-buffer + 'html "*Org HTML Export*" + subtreep visible-only body-only ext-plist))) + ;; Set major mode. + (with-current-buffer outbuf (set-auto-mode t)) + (when org-export-show-temporary-export-buffer + (switch-to-buffer-other-window outbuf))))) + +;;;###autoload +(defun org-html-convert-region-to-html () + "Assume the current region has org-mode syntax, and convert it to HTML. +This can be used in any buffer. For example, you can write an +itemized list in org-mode syntax in an HTML buffer and use this +command to convert it." + (interactive) + (org-export-replace-region-by 'html)) + +;;;###autoload +(defun org-html-export-to-html + (&optional async subtreep visible-only body-only ext-plist) + "Export current buffer to a HTML file. + +If narrowing is active in the current buffer, only export its +narrowed part. + +If a region is active, export that region. + +A non-nil optional argument ASYNC means the process should happen +asynchronously. The resulting file should be accessible through +the `org-export-stack' interface. + +When optional argument SUBTREEP is non-nil, export the sub-tree +at point, extracting information from the headline properties +first. + +When optional argument VISIBLE-ONLY is non-nil, don't export +contents of hidden elements. + +When optional argument BODY-ONLY is non-nil, only write code +between \"<body>\" and \"</body>\" tags. + +EXT-PLIST, when provided, is a property list with external +parameters overriding Org default settings, but still inferior to +file-local settings. + +Return output file's name." + (interactive) + (let* ((extension (concat "." org-html-extension)) + (file (org-export-output-file-name extension subtreep)) + (org-export-coding-system org-html-coding-system)) + (if async + (org-export-async-start + (lambda (f) (org-export-add-to-stack f 'html)) + (let ((org-export-coding-system org-html-coding-system)) + `(expand-file-name + (org-export-to-file + 'html ,file ,subtreep ,visible-only ,body-only ',ext-plist)))) + (let ((org-export-coding-system org-html-coding-system)) + (org-export-to-file + 'html file subtreep visible-only body-only ext-plist))))) + +;;;###autoload +(defun org-html-publish-to-html (plist filename pub-dir) + "Publish an org file to HTML. + +FILENAME is the filename of the Org file to be published. PLIST +is the property list for the given project. PUB-DIR is the +publishing directory. + +Return output file name." + (org-publish-org-to 'html filename + (concat "." (or (plist-get plist :html-extension) + org-html-extension "html")) + plist pub-dir)) + + +;;; FIXME + +;;;; org-format-table-html +;;;; org-format-org-table-html +;;;; org-format-table-table-html +;;;; org-table-number-fraction +;;;; org-table-number-regexp +;;;; org-html-table-caption-above +;;;; org-html-inline-image-extensions +;;;; org-export-preferred-target-alist +;;;; class for anchors +;;;; org-export-mark-todo-in-toc +;;;; org-html-format-org-link +;;;; (caption (and caption (org-xml-encode-org-text caption))) +;;;; alt = (file-name-nondirectory path) + +(provide 'ox-html) + +;; Local variables: +;; generated-autoload-file: "org-loaddefs.el" +;; End: + +;;; ox-html.el ends here |