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org-octopress.el
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;;; org-octopress.el --- Octopress/HTML export for Org-mode
;; Copyright (C) 2004-2012 Free Software Foundation, Inc.
;; Author: Tom Alexander <tomalexander at paphus dot com>
;; Version: 0.1
;; 99 percent of the code is org-html.el
;; org-html.el credits:
;; Author: Carsten Dominik <carsten at orgmode dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;;
;; This file is part of GNU Emacs.
;;
;; 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:
;;; Code:
(require 'org-exp)
(require 'format-spec)
(eval-when-compile (require 'cl))
(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))
(defgroup org-export-octopress nil
"Options specific for HTML export of Org-mode files."
:tag "Org Export HTML"
:group 'org-export)
(defcustom org-export-octopress-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-octopress
:type 'string)
(defcustom org-export-octopress-footnote-format "<sup>%s</sup>"
"The format for the footnote reference.
%s will be replaced by the footnote reference itself."
:group 'org-export-octopress
:type 'string)
(defcustom org-export-octopress-footnote-separator "<sup>, </sup>"
"Text used to separate footnotes."
:group 'org-export-octopress
:version "24.1"
:type 'string)
(defcustom org-export-octopress-coding-system nil
"Coding system for HTML export, defaults to `buffer-file-coding-system'."
:group 'org-export-octopress
:type 'coding-system)
(defcustom org-export-octopress-extension "html"
"The extension for exported HTML files."
:group 'org-export-octopress
:type 'string)
(defcustom org-export-octopress-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-octopress
:type '(choice
(string :tag "Single declaration")
(repeat :tag "Dependent on extension"
(cons (string :tag "Extension")
(string :tag "Declaration")))))
(defcustom org-export-octopress-style-include-scripts t
"Non-nil means include the JavaScript snippets in exported HTML files.
The actual script is defined in `org-export-octopress-scripts' and should
not be modified."
:group 'org-export-octopress
:type 'boolean)
(defconst org-export-octopress-scripts
"<script type=\"text/javascript\">
<!--/*--><![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-export-octopress-style-default
"<style type=\"text/css\">
<!--/*--><![CDATA[/*><!--*/
html { font-family: Times, serif; font-size: 12pt; }
.title { text-align: center; }
.todo { color: red; }
.done { color: green; }
.tag { background-color: #add8e6; font-weight:normal }
.target { }
.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;}
p.verse { margin-left: 3% }
pre {
border: 1pt solid #AEBDCC;
background-color: #F3F5F7;
padding: 5pt;
font-family: courier, monospace;
font-size: 90%;
overflow:auto;
}
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; }
div.figure { padding: 0.5em; }
div.figure p { text-align: center; }
div.inlinetask {
padding:10px;
border:2px solid gray;
margin:10px;
background: #ffffcc;
}
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.
Please use the variables `org-export-octopress-style' and
`org-export-octopress-style-extra' to add to this style. If you wish to not
have the default style included, customize the variable
`org-export-octopress-style-include-default'.")
(defcustom org-export-octopress-style-include-default t
"Non-nil means include the default style in exported HTML files.
The actual style is defined in `org-export-octopress-style-default' and should
not be modified. Use the variables `org-export-octopress-style' to add
your own style information."
:group 'org-export-octopress
:type 'boolean)
;;;###autoload
(put 'org-export-octopress-style-include-default 'safe-local-variable 'booleanp)
(defcustom org-export-octopress-style ""
"Org-wide style definitions for exported HTML files.
This variable needs to contain the full HTML structure to provide a style,
including the surrounding HTML tags. If you set the value of this variable,
you should consider to include 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'd like to refer to an external style file, 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 \"misuse\" it to add arbitrary text to the header.
See also the variable `org-export-octopress-style-extra'."
:group 'org-export-octopress
:type 'string)
;;;###autoload
(put 'org-export-octopress-style 'safe-local-variable 'stringp)
(defcustom org-export-octopress-style-extra ""
"Additional style information for HTML export.
The value of this variable is inserted into the HTML buffer right after
the value of `org-export-octopress-style'. Use this variable for per-file
settings of style information, and do not forget to surround the style
settings with <style>...</style> tags."
:group 'org-export-octopress
:type 'string)
;;;###autoload
(put 'org-export-octopress-style-extra 'safe-local-variable 'stringp)
(defcustom org-export-octopress-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-octopress
:version "24.1"
: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))))
(defun org-export-octopress-mathjax-config (template options in-buffer)
"Insert the user setup into the matchjax template."
(let (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
template))
(defcustom org-export-octopress-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-octopress
:version "24.1"
:type 'string)
(defcustom org-export-octopress-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-octopress
:type 'string)
(defcustom org-export-octopress-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-octopress
:type 'string)
(defcustom org-export-octopress-headline-anchor-format "<a name=\"%s\" id=\"%s\"></a>"
"Format for anchors in HTML headlines.
It requires to %s: both will be replaced by the anchor referring
to the headline (e.g. \"sec-2\"). When set to `nil', don't insert
HTML anchors in headlines."
:group 'org-export-octopress
:version "24.1"
:type 'string)
(defcustom org-export-octopress-preamble t
"Non-nil means insert a preamble in HTML export.
When `t', insert a string as defined by one of the formatting
strings in `org-export-octopress-preamble-format'. When set to a
string, this string overrides `org-export-octopress-preamble-format'.
When set to a function, apply this function and insert the
returned string. The function takes no argument, but you can
use `opt-plist' to access the current export options.
Setting :html-preamble in publishing projects will take
precedence over this variable."
:group 'org-export-octopress
:type '(choice (const :tag "No preamble" nil)
(const :tag "Default preamble" t)
(string :tag "Custom format string")
(function :tag "Function (must return a string)")))
(defcustom org-export-octopress-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.
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.
If you need to use a \"%\" character, you need to escape it
like that: \"%%\"."
:group 'org-export-octopress
:version "24.1"
:type 'string)
(defcustom org-export-octopress-postamble 'auto
"Non-nil means insert a postamble in HTML export.
When `t', insert a string as defined by the format string in
`org-export-octopress-postamble-format'. When set to a string, this
string overrides `org-export-octopress-postamble-format'. When set to
'auto, discard `org-export-octopress-postamble-format' and honor
`org-export-author/email/creator-info' variables. When set to a
function, apply this function and insert the returned string.
The function takes no argument, but you can use `opt-plist' to
access the current export options.
Setting :html-postamble in publishing projects will take
precedence over this variable."
:group 'org-export-octopress
:type '(choice (const :tag "No postamble" nil)
(const :tag "Auto preamble" 'auto)
(const :tag "Default format string" t)
(string :tag "Custom format string")
(function :tag "Function (must return a string)")))
(defcustom org-export-octopress-postamble-format
'(("en" "<p class=\"author\">Author: %a (%e)</p>
<p class=\"date\">Date: %d</p>
<p class=\"creator\">Generated by %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.
The second element of each list is a format string to format the
postamble itself. This format string can contain these elements:
%a stands for the author's name.
%e stands for the author's email.
%d stands for the date.
%c will be replaced by information about Org/Emacs versions.
%v will be replaced by `org-export-octopress-validation-link'.
If you need to use a \"%\" character, you need to escape it
like that: \"%%\"."
:group 'org-export-octopress
:version "24.1"
:type 'string)
(defcustom org-export-octopress-home/up-format
"<div id=\"org-div-home-and-up\" style=\"text-align:right;font-size:70%%;white-space:nowrap;\">
<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-export-octopress-link-up' and
`org-export-octopress-link-home' are empty, the entire snippet will be
ignored."
:group 'org-export-octopress
:type 'string)
(defcustom org-export-octopress-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-octopress
:type 'string)
(defcustom org-export-octopress-link-org-files-as-octopress 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-octopress 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-octopress
:type 'boolean)
(defcustom org-export-octopress-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-octopress
:type '(choice (const :tag "Never" nil)
(const :tag "Always" t)
(const :tag "When there is no description" maybe)))
(defcustom org-export-octopress-inline-image-extensions
'("png" "jpeg" "jpg" "gif" "svg")
"Extensions of image files that can be inlined into HTML."
:group 'org-export-octopress
:type '(repeat (string :tag "Extension")))
(defcustom org-export-octopress-table-tag
"<table border=\"2\" cellspacing=\"0\" cellpadding=\"6\" rules=\"groups\" frame=\"hsides\">"
"The HTML tag that is used to start a table.
This must be a <table> tag, but you may change the options like
borders and spacing."
:group 'org-export-octopress
:type 'string)
(defcustom org-export-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-export-octopress-table-use-header-tags-for-first-column'.
See also the variable `org-export-octopress-table-align-individual-fields'."
:group 'org-export-tables
:type '(cons (string :tag "Opening tag") (string :tag "Closing tag")))
(defcustom org-export-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-export-octopress-table-align-individual-fields'."
:group 'org-export-tables
:type '(cons (string :tag "Opening tag") (string :tag "Closing tag")))
(defcustom org-export-table-row-tags '("<tr>" . "</tr>")
"The opening tag for table data fields.
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,
the variable `head' will be true when this is a header line, nil when this
is a body line. And the variable `nline' will contain the line number,
starting from 1 in the first header line. For example
(setq org-export-table-row-tags
(cons '(if head
\"<tr>\"
(if (= (mod nline 2) 1)
\"<tr class=\\\"tr-odd\\\">\"
\"<tr class=\\\"tr-even\\\">\"))
\"</tr>\"))
will give even lines the class \"tr-even\" and odd lines the class \"tr-odd\"."
:group 'org-export-tables
:type '(cons
(choice :tag "Opening tag"
(string :tag "Specify")
(sexp))
(choice :tag "Closing tag"
(string :tag "Specify")
(sexp))))
(defcustom org-export-octopress-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-tables
:version "24.1"
:type 'boolean)
(defcustom org-export-octopress-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-tables
:type 'boolean)
(defcustom org-export-octopress-validation-link
"<a href=\"http://validator.w3.org/check?uri=referer\">Validate XHTML 1.0</a>"
"Link to HTML validation service."
:group 'org-export-octopress
:type 'string)
;; FIXME Obsolete since Org 7.7
;; Use the :timestamp option or `org-export-time-stamp-file' instead
(defvar org-export-octopress-with-timestamp nil
"If non-nil, write container for HTML-helper-mode timestamp.")
;; FIXME Obsolete since Org 7.7
(defvar org-export-octopress-octopress-helper-timestamp
"\n<p><br/><br/>\n<!-- hhmts start --> <!-- hhmts end --></p>\n"
"The HTML tag used as timestamp delimiter for HTML-helper-mode.")
(defcustom org-export-octopress-protect-char-alist
'(("&" . "&")
("<" . "<")
(">" . ">"))
"Alist of characters to be converted by `org-octopress-protect'."
:group 'org-export-octopress
:version "24.1"
:type '(repeat (cons (string :tag "Character")
(string :tag "HTML equivalent"))))
(defgroup org-export-octopressize nil
"Options for processing examples with htmlize.el."
:tag "Org Export Htmlize"
:group 'org-export-octopress)
(defcustom org-export-octopressize-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-export-octopressize-generate-css] to extract class definitions."
:group 'org-export-octopressize
:type '(choice (const css) (const inline-css)))
(defcustom org-export-octopressize-css-font-prefix "org-"
"The prefix for CSS class names for htmlize font specifications."
:group 'org-export-octopressize
:type 'string)
(defcustom org-export-octopressized-org-css-url nil
"URL pointing to a CSS file defining text colors for htmlized Emacs buffers.
Normally when creating an htmlized version of an Org buffer, htmlize will
create CSS to define the font colors. However, this does not work when
converting in batch mode, and it also can look bad if different people
with different fontification setup work on the same website.
When this variable is non-nil, creating an htmlized version of an Org buffer
using `org-export-as-org' will remove the internal CSS section and replace it
with a link to this URL."
:group 'org-export-octopressize
:type '(choice
(const :tag "Keep internal css" nil)
(string :tag "URL or local href")))
;; FIXME: The following variable is obsolete since Org 7.7 but is
;; still declared and checked within code for compatibility reasons.
;; Use the custom variables `org-export-octopress-divs' instead.
(defvar org-export-octopress-content-div "content"
"The name of the container DIV that holds all the page contents.
This variable is obsolete since Org version 7.7.
Please set `org-export-octopress-divs' instead.")
(defcustom org-export-octopress-divs '("preamble" "content" "postamble")
"The name of the main divs for HTML export.
This is a list of three strings, the first one for the preamble
DIV, the second one for the content DIV and the third one for the
postamble DIV."
:group 'org-export-octopress
:version "24.1"
:type '(list
(string :tag " Div for the preamble:")
(string :tag " Div for the content:")
(string :tag "Div for the postamble:")))
(defcustom org-export-octopress-date-format-string "%Y-%m-%dT%R%z"
"Format string to format the date and time.
The default is an extended format of the ISO 8601 specification."
:group 'org-export-octopress
:version "24.1"
:type 'string)
;;; Hooks
(defvar org-export-octopress-after-blockquotes-hook nil
"Hook run during HTML export, after blockquote, verse, center are done.")
(defvar org-export-octopress-final-hook nil
"Hook run at the end of HTML export, in the new buffer.")
;;; HTML export
(defun org-export-octopress-preprocess (parameters)
"Convert LaTeX fragments to images."
(when (and org-current-export-file
(plist-get parameters :LaTeX-fragments))
(org-format-latex
(concat "ltxpng/" (file-name-sans-extension
(file-name-nondirectory
org-current-export-file)))
org-current-export-dir nil "Creating LaTeX image %s"
nil nil
(cond
((eq (plist-get parameters :LaTeX-fragments) 'verbatim) 'verbatim)
((eq (plist-get parameters :LaTeX-fragments) 'mathjax ) 'mathjax)
((eq (plist-get parameters :LaTeX-fragments) t ) 'mathjax)
((eq (plist-get parameters :LaTeX-fragments) 'imagemagick) 'imagemagick)
((eq (plist-get parameters :LaTeX-fragments) 'dvipng ) 'dvipng)
(t nil))))
(goto-char (point-min))
(let (label l1)
(while (re-search-forward "\\\\ref{\\([^{}\n]+\\)}" nil t)
(org-if-unprotected-at (match-beginning 1)
(setq label (match-string 1))
(save-match-data
(if (string-match "\\`[a-z]\\{1,10\\}:\\(.+\\)" label)
(setq l1 (substring label (match-beginning 1)))
(setq l1 label)))
(replace-match (format "[[#%s][%s]]" label l1) t t)))))
;;;###autoload
(defun org-export-as-octopress-and-open (arg)
"Export the outline as HTML and immediately open it with a browser.
If there is an active region, export only the region.
The prefix ARG specifies how many levels of the outline should become
headlines. The default is 3. Lower levels will become bulleted lists."
(interactive "P")
(org-export-as-octopress arg 'hidden)
(org-open-file buffer-file-name)
(when org-export-kill-product-buffer-when-displayed
(kill-buffer (current-buffer))))
;;;###autoload
(defun org-export-as-octopress-batch ()
"Call the function `org-export-as-octopress'.
This function can be used in batch processing as:
emacs --batch
--load=$HOME/lib/emacs/org.el
--eval \"(setq org-export-headline-levels 2)\"
--visit=MyFile --funcall org-export-as-octopress-batch"
(org-export-as-octopress org-export-headline-levels 'hidden))
;;;###autoload
(defun org-export-as-octopress-to-buffer (arg)
"Call `org-export-as-octopress` with output to a temporary buffer.
No file is created. The prefix ARG is passed through to `org-export-as-octopress'."
(interactive "P")
(org-export-as-octopress arg nil nil "*Org HTML Export*")
(when org-export-show-temporary-export-buffer
(switch-to-buffer-other-window "*Org HTML Export*")))
;;;###autoload
(defun org-replace-region-by-octopress (beg end)
"Assume the current region has org-mode syntax, and convert it to HTML.
This can be used in any buffer. For example, you could write an
itemized list in org-mode syntax in an HTML buffer and then use this
command to convert it."
(interactive "r")
(let (reg html buf pop-up-frames)
(save-window-excursion
(if (derived-mode-p 'org-mode)
(setq html (org-export-region-as-octopress
beg end t 'string))
(setq reg (buffer-substring beg end)
buf (get-buffer-create "*Org tmp*"))
(with-current-buffer buf
(erase-buffer)
(insert reg)
(org-mode)
(setq html (org-export-region-as-octopress
(point-min) (point-max) t 'string)))
(kill-buffer buf)))
(delete-region beg end)
(insert html)))
;;;###autoload
(defun org-export-region-as-octopress (beg end &optional body-only buffer)
"Convert region from BEG to END in org-mode buffer to HTML.
If prefix arg BODY-ONLY is set, omit file header, footer, and table of
contents, and only produce the region of converted text, useful for
cut-and-paste operations.
If BUFFER is a buffer or a string, use/create that buffer as a target
of the converted HTML. If BUFFER is the symbol `string', return the
produced HTML as a string and leave not buffer behind. For example,
a Lisp program could call this function in the following way:
(setq html (org-export-region-as-octopress beg end t 'string))
When called interactively, the output buffer is selected, and shown
in a window. A non-interactive call will only return the buffer."
(interactive "r\nP")
(when (org-called-interactively-p 'any)
(setq buffer "*Org HTML Export*"))
(let ((transient-mark-mode t) (zmacs-regions t)
ext-plist rtn)
(setq ext-plist (plist-put ext-plist :ignore-subtree-p t))
(goto-char end)
(set-mark (point)) ;; to activate the region
(goto-char beg)
(setq rtn (org-export-as-octopress
nil nil ext-plist
buffer body-only))
(if (fboundp 'deactivate-mark) (deactivate-mark))
(if (and (org-called-interactively-p 'any) (bufferp rtn))
(switch-to-buffer-other-window rtn)
rtn)))
(defvar html-table-tag nil) ; dynamically scoped into this.
(defvar org-par-open nil)
;;; org-octopress-cvt-link-fn
(defconst org-octopress-cvt-link-fn
nil
"Function to convert link URLs to exportable URLs.
Takes two arguments, TYPE and PATH.
Returns exportable url as (TYPE PATH), or nil to signal that it
didn't handle this case.
Intended to be locally bound around a call to `org-export-as-octopress'." )
(defun org-octopress-cvt-org-as-octopress (opt-plist type path)
"Convert an org filename to an equivalent html filename.
If TYPE is not file, just return `nil'.
See variable `org-export-octopress-link-org-files-as-octopress'"
(save-match-data
(and
org-export-octopress-link-org-files-as-octopress
(string= type "file")
(string-match "\\.org$" path)
(progn
(list
"file"
(concat
(substring path 0 (match-beginning 0))
"."
(plist-get opt-plist :html-extension)))))))
;;; org-octopress-should-inline-p
(defun org-octopress-should-inline-p (filename descp)
"Return non-nil if link FILENAME should be inlined.
The decision to inline the FILENAME link is based on the current
settings. DESCP is the boolean of whether there was a link
description. See variables `org-export-octopress-inline-images' and
`org-export-octopress-inline-image-extensions'."
(declare (special
org-export-octopress-inline-images
org-export-octopress-inline-image-extensions))
(and (or (eq t org-export-octopress-inline-images)
(and org-export-octopress-inline-images (not descp)))
(org-file-image-p
filename org-export-octopress-inline-image-extensions)))
;;; org-octopress-make-link
(defun org-octopress-make-link (opt-plist type path fragment desc attr
may-inline-p)
"Make an HTML link.
OPT-PLIST is an options list.
TYPE is the device-type of the link (THIS://foo.html).
PATH is the path of the link (http://THIS#location).
FRAGMENT is the fragment part of the link, if any (foo.html#THIS).
DESC is the link description, if any.
ATTR is a string of other attributes of the \"a\" element.
MAY-INLINE-P allows inlining it as an image."
(declare (special org-par-open))
(save-match-data
(let* ((filename path)
;;First pass. Just sanity stuff.
(components-1
(cond
((string= type "file")
(list
type
;;Substitute just if original path was absolute.
;;(Otherwise path must remain relative)
(if (file-name-absolute-p path)
(concat "file://" (expand-file-name path))
path)))
((string= type "")
(list nil path))
(t (list type path))))
;;Second pass. Components converted so they can refer
;;to a remote site.
(components-2
(or
(and org-octopress-cvt-link-fn
(apply org-octopress-cvt-link-fn
opt-plist components-1))
(apply #'org-octopress-cvt-org-as-octopress
opt-plist components-1)
components-1))
(type (first components-2))
(thefile (second components-2)))
;;Third pass. Build final link except for leading type
;;spec.
(cond
((or
(not type)
(string= type "http")
(string= type "https")
(string= type "file")
(string= type "coderef"))
(if fragment
(setq thefile (concat thefile "#" fragment))))
(t))
;;Final URL-build, for all types.
(setq thefile
(let
((str (org-export-octopress-format-href thefile)))
(if (and type (not (or (string= "file" type)
(string= "coderef" type))))
(concat type ":" str)
str)))
(if (and
may-inline-p
;;Can't inline a URL with a fragment.
(not fragment))
(progn
(message "image %s %s" thefile org-par-open)
(org-export-octopress-format-image thefile org-par-open))
(concat
"<a href=\"" thefile "\"" (if attr (concat " " attr)) ">"
(org-export-octopress-format-desc desc)
"</a>")))))
(defun org-octopress-handle-links (org-line opt-plist)
"Return ORG-LINE with markup of Org mode links.
OPT-PLIST is the export options list."
(let ((start 0)
(current-dir (if buffer-file-name
(file-name-directory buffer-file-name)
default-directory))
(link-validate (plist-get opt-plist :link-validation-function))
type id-file fnc
rpl path attr desc descp desc1 desc2 link)
(while (string-match org-bracket-link-analytic-regexp++ org-line start)
(setq start (match-beginning 0))
(setq path (save-match-data (org-link-unescape
(match-string 3 org-line))))
(setq type (cond
((match-end 2) (match-string 2 org-line))
((save-match-data
(or (file-name-absolute-p path)
(string-match "^\\.\\.?/" path)))
"file")
(t "internal")))
(setq path (org-extract-attributes path))
(setq attr (get-text-property 0 'org-attributes path))
(setq desc1 (if (match-end 5) (match-string 5 org-line))
desc2 (if (match-end 2) (concat type ":" path) path)
descp (and desc1 (not (equal desc1 desc2)))
desc (or desc1 desc2))
;; Make an image out of the description if that is so wanted
(when (and descp (org-file-image-p
desc org-export-octopress-inline-image-extensions))
(save-match-data
(if (string-match "^file:" desc)
(setq desc (substring desc (match-end 0)))))
(setq desc (org-add-props
(concat "<img src=\"" desc "\" alt=\""
(file-name-nondirectory desc) "\"/>")
'(org-protected t))))
(cond
((equal type "internal")
(let
((frag-0
(if (= (string-to-char path) ?#)
(substring path 1)
path)))
(setq rpl
(org-octopress-make-link
opt-plist
""
""
(org-solidify-link-text
(save-match-data (org-link-unescape frag-0))
nil)
desc attr nil))))
((and (equal type "id")
(setq id-file (org-id-find-id-file path)))
;; This is an id: link to another file (if it was the same file,
;; it would have become an internal link...)
(save-match-data
(setq id-file (file-relative-name
id-file
(file-name-directory org-current-export-file)))
(setq rpl
(org-octopress-make-link opt-plist
"file" id-file
(concat (if (org-uuidgen-p path) "ID-") path)
desc
attr
nil))))
((member type '("http" "https"))
;; standard URL, can inline as image