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Diffstat (limited to 'build-aux/workflow/vendor')
| -rw-r--r-- | build-aux/workflow/vendor/htmlize.el | 1884 | ||||
| -rw-r--r-- | build-aux/workflow/vendor/org.css | 5 |
2 files changed, 0 insertions, 1889 deletions
diff --git a/build-aux/workflow/vendor/htmlize.el b/build-aux/workflow/vendor/htmlize.el deleted file mode 100644 index 02f251a..0000000 --- a/build-aux/workflow/vendor/htmlize.el +++ /dev/null @@ -1,1884 +0,0 @@ -;;;; Taken from: -;;;; https://raw.githubusercontent.com/hniksic/emacs-htmlize/release/1.55/htmlize.el - -;;; htmlize.el --- Convert buffer text and decorations to HTML. -*- lexical-binding: t -*- - -;; Copyright (C) 1997-2003,2005,2006,2009,2011,2012,2014,2017,2018 Hrvoje Niksic - -;; Author: Hrvoje Niksic <hniksic@gmail.com> -;; Keywords: hypermedia, extensions -;; Version: 1.55 - -;; This program 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 2, or (at your option) -;; any later version. - -;; This program 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 this program; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. - -;;; Commentary: - -;; This package converts the buffer text and the associated -;; decorations to HTML. Mail to <hniksic@gmail.com> to discuss -;; features and additions. All suggestions are more than welcome. - -;; To use it, just switch to the buffer you want HTML-ized and type -;; `M-x htmlize-buffer'. You will be switched to a new buffer that -;; contains the resulting HTML code. You can edit and inspect this -;; buffer, or you can just save it with C-x C-w. `M-x htmlize-file' -;; will find a file, fontify it, and save the HTML version in -;; FILE.html, without any additional intervention. `M-x -;; htmlize-many-files' allows you to htmlize any number of files in -;; the same manner. `M-x htmlize-many-files-dired' does the same for -;; files marked in a dired buffer. - -;; htmlize supports three types of HTML output, selected by setting -;; `htmlize-output-type': `css', `inline-css', and `font'. In `css' -;; mode, htmlize uses cascading style sheets to specify colors; it -;; generates classes that correspond to Emacs faces and uses <span -;; class=FACE>...</span> to color parts of text. In this mode, the -;; produced HTML is valid under the 4.01 strict DTD, as confirmed by -;; the W3C validator. `inline-css' is like `css', except the CSS is -;; put directly in the STYLE attribute of the SPAN element, making it -;; possible to paste the generated HTML into existing HTML documents. -;; In `font' mode, htmlize uses <font color="...">...</font> to -;; colorize HTML, which is not standard-compliant, but works better in -;; older browsers. `css' mode is the default. - -;; You can also use htmlize from your Emacs Lisp code. When called -;; non-interactively, `htmlize-buffer' and `htmlize-region' will -;; return the resulting HTML buffer, but will not change current -;; buffer or move the point. htmlize will do its best to work on -;; non-windowing Emacs sessions but the result will be limited to -;; colors supported by the terminal. - -;; htmlize aims for compatibility with older Emacs versions. Please -;; let me know if it doesn't work on the version of GNU Emacs that you -;; are using. The package relies on the presence of CL extensions; -;; please don't try to remove that dependency. I see no practical -;; problems with using the full power of the CL extensions, except -;; that one might learn to like them too much. - -;; The latest version is available at: -;; -;; <https://github.com/hniksic/emacs-htmlize> -;; <https://code.orgmode.org/mirrors/emacs-htmlize> -;; - -;; Thanks go to the many people who have sent reports and contributed -;; comments, suggestions, and fixes. They include Ron Gut, Bob -;; Weiner, Toni Drabik, Peter Breton, Ville Skytta, Thomas Vogels, -;; Juri Linkov, Maciek Pasternacki, and many others. - -;; User quotes: "You sir, are a sick, sick, _sick_ person. :)" -;; -- Bill Perry, author of Emacs/W3 - - -;;; Code: - -(require 'cl) -(eval-when-compile - (defvar font-lock-auto-fontify) - (defvar font-lock-support-mode) - (defvar global-font-lock-mode)) - -(defconst htmlize-version "1.55") - -(defgroup htmlize nil - "Convert buffer text and faces to HTML." - :group 'hypermedia) - -(defcustom htmlize-head-tags "" - "Additional tags to insert within HEAD of the generated document." - :type 'string - :group 'htmlize) - -(defcustom htmlize-output-type 'css - "Output type of generated HTML, one of `css', `inline-css', or `font'. -When set to `css' (the default), htmlize will generate a style sheet -with description of faces, and use it in the HTML document, specifying -the faces in the actual text with <span class=\"FACE\">. - -When set to `inline-css', the style will be generated as above, but -placed directly in the STYLE attribute of the span ELEMENT: <span -style=\"STYLE\">. This makes it easier to paste the resulting HTML to -other documents. - -When set to `font', the properties will be set using layout tags -<font>, <b>, <i>, <u>, and <strike>. - -`css' output is normally preferred, but `font' is still useful for -supporting old, pre-CSS browsers, and both `inline-css' and `font' for -easier embedding of colorized text in foreign HTML documents (no style -sheet to carry around)." - :type '(choice (const css) (const inline-css) (const font)) - :group 'htmlize) - -(defcustom htmlize-use-images t - "Whether htmlize generates `img' for images attached to buffer contents." - :type 'boolean - :group 'htmlize) - -(defcustom htmlize-force-inline-images nil - "Non-nil means generate all images inline using data URLs. -Normally htmlize converts image descriptors with :file properties to -relative URIs, and those with :data properties to data URIs. With this -flag set, the images specified as a file name are loaded into memory and -embedded in the HTML as data URIs." - :type 'boolean - :group 'htmlize) - -(defcustom htmlize-max-alt-text 100 - "Maximum size of text to use as ALT text in images. - -Normally when htmlize encounters text covered by the `display' property -that specifies an image, it generates an `alt' attribute containing the -original text. If the text is larger than `htmlize-max-alt-text' characters, -this will not be done." - :type 'integer - :group 'htmlize) - -(defcustom htmlize-transform-image 'htmlize-default-transform-image - "Function called to modify the image descriptor. - -The function is called with the image descriptor found in the buffer and -the text the image is supposed to replace. It should return a (possibly -different) image descriptor property list or a replacement string to use -instead of of the original buffer text. - -Returning nil is the same as returning the original text." - :type 'boolean - :group 'htmlize) - -(defcustom htmlize-generate-hyperlinks t - "Non-nil means auto-generate the links from URLs and mail addresses in buffer. - -This is on by default; set it to nil if you don't want htmlize to -autogenerate such links. Note that this option only turns off automatic -search for contents that looks like URLs and converting them to links. -It has no effect on whether htmlize respects the `htmlize-link' property." - :type 'boolean - :group 'htmlize) - -(defcustom htmlize-hyperlink-style " - a { - color: inherit; - background-color: inherit; - font: inherit; - text-decoration: inherit; - } - a:hover { - text-decoration: underline; - } -" - "The CSS style used for hyperlinks when in CSS mode." - :type 'string - :group 'htmlize) - -(defcustom htmlize-replace-form-feeds t - "Non-nil means replace form feeds in source code with HTML separators. -Form feeds are the ^L characters at line beginnings that are sometimes -used to separate sections of source code. If this variable is set to -`t', form feed characters are replaced with the <hr> separator. If this -is a string, it specifies the replacement to use. Note that <pre> is -temporarily closed before the separator is inserted, so the default -replacement is effectively \"</pre><hr /><pre>\". If you specify -another replacement, don't forget to close and reopen the <pre> if you -want the output to remain valid HTML. - -If you need more elaborate processing, set this to nil and use -htmlize-after-hook." - :type 'boolean - :group 'htmlize) - -(defcustom htmlize-html-charset nil - "The charset declared by the resulting HTML documents. -When non-nil, causes htmlize to insert the following in the HEAD section -of the generated HTML: - - <meta http-equiv=\"Content-Type\" content=\"text/html; charset=CHARSET\"> - -where CHARSET is the value you've set for htmlize-html-charset. Valid -charsets are defined by MIME and include strings like \"iso-8859-1\", -\"iso-8859-15\", \"utf-8\", etc. - -If you are using non-Latin-1 charsets, you might need to set this for -your documents to render correctly. Also, the W3C validator requires -submitted HTML documents to declare a charset. So if you care about -validation, you can use this to prevent the validator from bitching. - -Needless to say, if you set this, you should actually make sure that -the buffer is in the encoding you're claiming it is in. (This is -normally achieved by using the correct file coding system for the -buffer.) If you don't understand what that means, you should probably -leave this option in its default setting." - :type '(choice (const :tag "Unset" nil) - string) - :group 'htmlize) - -(defcustom htmlize-convert-nonascii-to-entities t - "Whether non-ASCII characters should be converted to HTML entities. - -When this is non-nil, characters with codes in the 128-255 range will be -considered Latin 1 and rewritten as \"&#CODE;\". Characters with codes -above 255 will be converted to \"&#UCS;\", where UCS denotes the Unicode -code point of the character. If the code point cannot be determined, -the character will be copied unchanged, as would be the case if the -option were nil. - -When the option is nil, the non-ASCII characters are copied to HTML -without modification. In that case, the web server and/or the browser -must be set to understand the encoding that was used when saving the -buffer. (You might also want to specify it by setting -`htmlize-html-charset'.) - -Note that in an HTML entity \"&#CODE;\", CODE is always a UCS code point, -which has nothing to do with the charset the page is in. For example, -\"©\" *always* refers to the copyright symbol, regardless of charset -specified by the META tag or the charset sent by the HTTP server. In -other words, \"©\" is exactly equivalent to \"©\". - -For most people htmlize will work fine with this option left at the -default setting; don't change it unless you know what you're doing." - :type 'sexp - :group 'htmlize) - -(defcustom htmlize-ignore-face-size 'absolute - "Whether face size should be ignored when generating HTML. -If this is nil, face sizes are used. If set to t, sizes are ignored -If set to `absolute', only absolute size specifications are ignored. -Please note that font sizes only work with CSS-based output types." - :type '(choice (const :tag "Don't ignore" nil) - (const :tag "Ignore all" t) - (const :tag "Ignore absolute" absolute)) - :group 'htmlize) - -(defcustom htmlize-css-name-prefix "" - "The prefix used for CSS names. -The CSS names that htmlize generates from face names are often too -generic for CSS files; for example, `font-lock-type-face' is transformed -to `type'. Use this variable to add a prefix to the generated names. -The string \"htmlize-\" is an example of a reasonable prefix." - :type 'string - :group 'htmlize) - -(defcustom htmlize-use-rgb-txt t - "Whether `rgb.txt' should be used to convert color names to RGB. - -This conversion means determining, for instance, that the color -\"IndianRed\" corresponds to the (205, 92, 92) RGB triple. `rgb.txt' -is the X color database that maps hundreds of color names to such RGB -triples. When this variable is non-nil, `htmlize' uses `rgb.txt' to -look up color names. - -If this variable is nil, htmlize queries Emacs for RGB components of -colors using `color-instance-rgb-components' and `color-values'. -This can yield incorrect results on non-true-color displays. - -If the `rgb.txt' file is not found (which will be the case if you're -running Emacs on non-X11 systems), this option is ignored." - :type 'boolean - :group 'htmlize) - -(defvar htmlize-face-overrides nil - "Overrides for face definitions. - -Normally face definitions are taken from Emacs settings for fonts -in the current frame. For faces present in this plist, the -definitions will be used instead. Keys in the plist are symbols -naming the face and values are the overriding definitions. For -example: - - (setq htmlize-face-overrides - '(font-lock-warning-face \"black\" - font-lock-function-name-face \"red\" - font-lock-comment-face \"blue\" - default (:foreground \"dark-green\" :background \"yellow\"))) - -This variable can be also be `let' bound when running `htmlize-buffer'.") - -(defcustom htmlize-untabify t - "Non-nil means untabify buffer contents during htmlization." - :type 'boolean - :group 'htmlize) - -(defcustom htmlize-html-major-mode nil - "The mode the newly created HTML buffer will be put in. -Set this to nil if you prefer the default (fundamental) mode." - :type '(radio (const :tag "No mode (fundamental)" nil) - (function-item html-mode) - (function :tag "User-defined major mode")) - :group 'htmlize) - -(defcustom htmlize-pre-style nil - "When non-nil, `<pre>' tags will be decorated with style -information in `font' and `inline-css' modes. This allows a -consistent background for captures of regions." - :type 'boolean - :group 'htmlize) - -(defvar htmlize-before-hook nil - "Hook run before htmlizing a buffer. -The hook functions are run in the source buffer (not the resulting HTML -buffer).") - -(defvar htmlize-after-hook nil - "Hook run after htmlizing a buffer. -Unlike `htmlize-before-hook', these functions are run in the generated -HTML buffer. You may use them to modify the outlook of the final HTML -output.") - -(defvar htmlize-file-hook nil - "Hook run by `htmlize-file' after htmlizing a file, but before saving it.") - -(defvar htmlize-buffer-places) - -;;; Some cross-Emacs compatibility. - -;; We need a function that efficiently finds the next change of a -;; property regardless of whether the change occurred because of a -;; text property or an extent/overlay. -(defun htmlize-next-change (pos prop &optional limit) - (if prop - (next-single-char-property-change pos prop nil limit) - (next-char-property-change pos limit))) - -(defun htmlize-overlay-faces-at (pos) - (delq nil (mapcar (lambda (o) (overlay-get o 'face)) (overlays-at pos)))) - -(defun htmlize-next-face-change (pos &optional limit) - ;; (htmlize-next-change pos 'face limit) would skip over entire - ;; overlays that specify the `face' property, even when they - ;; contain smaller text properties that also specify `face'. - ;; Emacs display engine merges those faces, and so must we. - (or limit - (setq limit (point-max))) - (let ((next-prop (next-single-property-change pos 'face nil limit)) - (overlay-faces (htmlize-overlay-faces-at pos))) - (while (progn - (setq pos (next-overlay-change pos)) - (and (< pos next-prop) - (equal overlay-faces (htmlize-overlay-faces-at pos))))) - (setq pos (min pos next-prop)) - ;; Additionally, we include the entire region that specifies the - ;; `display' property. - (when (get-char-property pos 'display) - (setq pos (next-single-char-property-change pos 'display nil limit))) - pos)) - -(defmacro htmlize-lexlet (&rest letforms) - (declare (indent 1) (debug let)) - (if (and (boundp 'lexical-binding) - lexical-binding) - `(let ,@letforms) - ;; cl extensions have a macro implementing lexical let - `(lexical-let ,@letforms))) - - -;;; Transformation of buffer text: HTML escapes, untabification, etc. - -(defvar htmlize-basic-character-table - ;; Map characters in the 0-127 range to either one-character strings - ;; or to numeric entities. - (let ((table (make-vector 128 ?\0))) - ;; Map characters in the 32-126 range to themselves, others to - ;; &#CODE entities; - (dotimes (i 128) - (setf (aref table i) (if (and (>= i 32) (<= i 126)) - (char-to-string i) - (format "&#%d;" i)))) - ;; Set exceptions manually. - (setf - ;; Don't escape newline, carriage return, and TAB. - (aref table ?\n) "\n" - (aref table ?\r) "\r" - (aref table ?\t) "\t" - ;; Escape &, <, and >. - (aref table ?&) "&" - (aref table ?<) "<" - (aref table ?>) ">" - ;; Not escaping '"' buys us a measurable speedup. It's only - ;; necessary to quote it for strings used in attribute values, - ;; which htmlize doesn't typically do. - ;(aref table ?\") """ - ) - table)) - -;; A cache of HTML representation of non-ASCII characters. Depending -;; on the setting of `htmlize-convert-nonascii-to-entities', this maps -;; non-ASCII characters to either "&#<code>;" or "<char>" (mapconcat's -;; mapper must always return strings). It's only filled as characters -;; are encountered, so that in a buffer with e.g. French text, it will -;; only ever contain French accented characters as keys. It's cleared -;; on each entry to htmlize-buffer-1 to allow modifications of -;; `htmlize-convert-nonascii-to-entities' to take effect. -(defvar htmlize-extended-character-cache (make-hash-table :test 'eq)) - -(defun htmlize-protect-string (string) - "HTML-protect string, escaping HTML metacharacters and I18N chars." - ;; Only protecting strings that actually contain unsafe or non-ASCII - ;; chars removes a lot of unnecessary funcalls and consing. - (if (not (string-match "[^\r\n\t -%'-;=?-~]" string)) - string - (mapconcat (lambda (char) - (cond - ((< char 128) - ;; ASCII: use htmlize-basic-character-table. - (aref htmlize-basic-character-table char)) - ((gethash char htmlize-extended-character-cache) - ;; We've already seen this char; return the cached - ;; string. - ) - ((not htmlize-convert-nonascii-to-entities) - ;; If conversion to entities is not desired, always - ;; copy the char literally. - (setf (gethash char htmlize-extended-character-cache) - (char-to-string char))) - ((< char 256) - ;; Latin 1: no need to call encode-char. - (setf (gethash char htmlize-extended-character-cache) - (format "&#%d;" char))) - ((encode-char char 'ucs) - ;; Must check if encode-char works for CHAR; - ;; it fails for Arabic and possibly elsewhere. - (setf (gethash char htmlize-extended-character-cache) - (format "&#%d;" (encode-char char 'ucs)))) - (t - ;; encode-char doesn't work for this char. Copy it - ;; unchanged and hope for the best. - (setf (gethash char htmlize-extended-character-cache) - (char-to-string char))))) - string ""))) - -(defun htmlize-attr-escape (string) - ;; Like htmlize-protect-string, but also escapes double-quoted - ;; strings to make it usable in attribute values. - (setq string (htmlize-protect-string string)) - (if (not (string-match "\"" string)) - string - (mapconcat (lambda (char) - (if (eql char ?\") - """ - (char-to-string char))) - string ""))) - -(defsubst htmlize-concat (list) - (if (and (consp list) (null (cdr list))) - ;; Don't create a new string in the common case where the list only - ;; consists of one element. - (car list) - (apply #'concat list))) - -(defun htmlize-format-link (linkprops text) - (let ((uri (if (stringp linkprops) - linkprops - (plist-get linkprops :uri))) - (escaped-text (htmlize-protect-string text))) - (if uri - (format "<a href=\"%s\">%s</a>" (htmlize-attr-escape uri) escaped-text) - escaped-text))) - -(defun htmlize-escape-or-link (string) - ;; Escape STRING and/or add hyperlinks. STRING comes from a - ;; `display' property. - (let ((pos 0) (end (length string)) outlist) - (while (< pos end) - (let* ((link (get-char-property pos 'htmlize-link string)) - (next-link-change (next-single-property-change - pos 'htmlize-link string end)) - (chunk (substring string pos next-link-change))) - (push - (cond (link - (htmlize-format-link link chunk)) - ((get-char-property 0 'htmlize-literal chunk) - chunk) - (t - (htmlize-protect-string chunk))) - outlist) - (setq pos next-link-change))) - (htmlize-concat (nreverse outlist)))) - -(defun htmlize-display-prop-to-html (display text) - (let (desc) - (cond ((stringp display) - ;; Emacs ignores recursive display properties. - (htmlize-escape-or-link display)) - ((not (eq (car-safe display) 'image)) - (htmlize-protect-string text)) - ((null (setq desc (funcall htmlize-transform-image - (cdr display) text))) - (htmlize-escape-or-link text)) - ((stringp desc) - (htmlize-escape-or-link desc)) - (t - (htmlize-generate-image desc text))))) - -(defun htmlize-string-to-html (string) - ;; Convert the string to HTML, including images attached as - ;; `display' property and links as `htmlize-link' property. In a - ;; string without images or links, this is equivalent to - ;; `htmlize-protect-string'. - (let ((pos 0) (end (length string)) outlist) - (while (< pos end) - (let* ((display (get-char-property pos 'display string)) - (next-display-change (next-single-property-change - pos 'display string end)) - (chunk (substring string pos next-display-change))) - (push - (if display - (htmlize-display-prop-to-html display chunk) - (htmlize-escape-or-link chunk)) - outlist) - (setq pos next-display-change))) - (htmlize-concat (nreverse outlist)))) - -(defun htmlize-default-transform-image (imgprops _text) - "Default transformation of image descriptor to something usable in HTML. - -If `htmlize-use-images' is nil, the function always returns nil, meaning -use original text. Otherwise, it tries to find the image for images that -specify a file name. If `htmlize-force-inline-images' is non-nil, it also -converts the :file attribute to :data and returns the modified property -list." - (when htmlize-use-images - (when (plist-get imgprops :file) - (let ((location (plist-get (cdr (find-image (list imgprops))) :file))) - (when location - (setq imgprops (plist-put (copy-list imgprops) :file location))))) - (if htmlize-force-inline-images - (let ((location (plist-get imgprops :file)) - data) - (when location - (with-temp-buffer - (condition-case nil - (progn - (insert-file-contents-literally location) - (setq data (buffer-string))) - (error nil)))) - ;; if successful, return the new plist, otherwise return - ;; nil, which will use the original text - (and data - (plist-put (plist-put imgprops :file nil) - :data data))) - imgprops))) - -(defun htmlize-alt-text (_imgprops origtext) - (and (/= (length origtext) 0) - (<= (length origtext) htmlize-max-alt-text) - (not (string-match "[\0-\x1f]" origtext)) - origtext)) - -(defun htmlize-generate-image (imgprops origtext) - (let* ((alt-text (htmlize-alt-text imgprops origtext)) - (alt-attr (if alt-text - (format " alt=\"%s\"" (htmlize-attr-escape alt-text)) - ""))) - (cond ((plist-get imgprops :file) - ;; Try to find the image in image-load-path - (let* ((found-props (cdr (find-image (list imgprops)))) - (file (or (plist-get found-props :file) - (plist-get imgprops :file)))) - (format "<img src=\"%s\"%s />" - (htmlize-attr-escape (file-relative-name file)) - alt-attr))) - ((plist-get imgprops :data) - (format "<img src=\"data:image/%s;base64,%s\"%s />" - (or (plist-get imgprops :type) "") - (base64-encode-string (plist-get imgprops :data)) - alt-attr))))) - -(defconst htmlize-ellipsis "...") -(put-text-property 0 (length htmlize-ellipsis) 'htmlize-ellipsis t htmlize-ellipsis) - -(defun htmlize-match-inv-spec (inv) - (member* inv buffer-invisibility-spec - :key (lambda (i) - (if (symbolp i) i (car i))))) - -(defun htmlize-decode-invisibility-spec (invisible) - ;; Return t, nil, or `ellipsis', depending on how invisible text should be inserted. - - (if (not (listp buffer-invisibility-spec)) - ;; If buffer-invisibility-spec is not a list, then all - ;; characters with non-nil `invisible' property are visible. - (not invisible) - - ;; Otherwise, the value of a non-nil `invisible' property can be: - ;; 1. a symbol -- make the text invisible if it matches - ;; buffer-invisibility-spec. - ;; 2. a list of symbols -- make the text invisible if - ;; any symbol in the list matches - ;; buffer-invisibility-spec. - ;; If the match of buffer-invisibility-spec has a non-nil - ;; CDR, replace the invisible text with an ellipsis. - (let ((match (if (symbolp invisible) - (htmlize-match-inv-spec invisible) - (some #'htmlize-match-inv-spec invisible)))) - (cond ((null match) t) - ((cdr-safe (car match)) 'ellipsis) - (t nil))))) - -(defun htmlize-add-before-after-strings (beg end text) - ;; Find overlays specifying before-string and after-string in [beg, - ;; pos). If any are found, splice them into TEXT and return the new - ;; text. - (let (additions) - (dolist (overlay (overlays-in beg end)) - (let ((before (overlay-get overlay 'before-string)) - (after (overlay-get overlay 'after-string))) - (when after - (push (cons (- (overlay-end overlay) beg) - after) - additions)) - (when before - (push (cons (- (overlay-start overlay) beg) - before) - additions)))) - (if additions - (let ((textlist nil) - (strpos 0)) - (dolist (add (stable-sort additions #'< :key #'car)) - (let ((addpos (car add)) - (addtext (cdr add))) - (push (substring text strpos addpos) textlist) - (push addtext textlist) - (setq strpos addpos))) - (push (substring text strpos) textlist) - (apply #'concat (nreverse textlist))) - text))) - -(defun htmlize-copy-prop (prop beg end string) - ;; Copy the specified property from the specified region of the - ;; buffer to the target string. We cannot rely on Emacs to copy the - ;; property because we want to handle properties coming from both - ;; text properties and overlays. - (let ((pos beg)) - (while (< pos end) - (let ((value (get-char-property pos prop)) - (next-change (htmlize-next-change pos prop end))) - (when value - (put-text-property (- pos beg) (- next-change beg) - prop value string)) - (setq pos next-change))))) - -(defun htmlize-get-text-with-display (beg end) - ;; Like buffer-substring-no-properties, except it copies the - ;; `display' property from the buffer, if found. - (let ((text (buffer-substring-no-properties beg end))) - (htmlize-copy-prop 'display beg end text) - (htmlize-copy-prop 'htmlize-link beg end text) - (setq text (htmlize-add-before-after-strings beg end text)) - text)) - -(defun htmlize-buffer-substring-no-invisible (beg end) - ;; Like buffer-substring-no-properties, but don't copy invisible - ;; parts of the region. Where buffer-substring-no-properties - ;; mandates an ellipsis to be shown, htmlize-ellipsis is inserted. - (let ((pos beg) - visible-list invisible show last-show next-change) - ;; Iterate over the changes in the `invisible' property and filter - ;; out the portions where it's non-nil, i.e. where the text is - ;; invisible. - (while (< pos end) - (setq invisible (get-char-property pos 'invisible) - next-change (htmlize-next-change pos 'invisible end) - show (htmlize-decode-invisibility-spec invisible)) - (cond ((eq show t) - (push (htmlize-get-text-with-display pos next-change) - visible-list)) - ((and (eq show 'ellipsis) - (not (eq last-show 'ellipsis)) - ;; Conflate successive ellipses. - (push htmlize-ellipsis visible-list)))) - (setq pos next-change last-show show)) - (htmlize-concat (nreverse visible-list)))) - -(defun htmlize-trim-ellipsis (text) - ;; Remove htmlize-ellipses ("...") from the beginning of TEXT if it - ;; starts with it. It checks for the special property of the - ;; ellipsis so it doesn't work on ordinary text that begins with - ;; "...". - (if (get-text-property 0 'htmlize-ellipsis text) - (substring text (length htmlize-ellipsis)) - text)) - -(defconst htmlize-tab-spaces - ;; A table of strings with spaces. (aref htmlize-tab-spaces 5) is - ;; like (make-string 5 ?\ ), except it doesn't cons. - (let ((v (make-vector 32 nil))) - (dotimes (i (length v)) - (setf (aref v i) (make-string i ?\ ))) - v)) - -(defun htmlize-untabify-string (text start-column) - "Untabify TEXT, assuming it starts at START-COLUMN." - (let ((column start-column) - (last-match 0) - (chunk-start 0) - chunks match-pos tab-size) - (while (string-match "[\t\n]" text last-match) - (setq match-pos (match-beginning 0)) - (cond ((eq (aref text match-pos) ?\t) - ;; Encountered a tab: create a chunk of text followed by - ;; the expanded tab. - (push (substring text chunk-start match-pos) chunks) - ;; Increase COLUMN by the length of the text we've - ;; skipped since last tab or newline. (Encountering - ;; newline resets it.) - (incf column (- match-pos last-match)) - ;; Calculate tab size based on tab-width and COLUMN. - (setq tab-size (- tab-width (% column tab-width))) - ;; Expand the tab, carefully recreating the `display' - ;; property if one was on the TAB. - (let ((display (get-text-property match-pos 'display text)) - (expanded-tab (aref htmlize-tab-spaces tab-size))) - (when display - (put-text-property 0 tab-size 'display display expanded-tab)) - (push expanded-tab chunks)) - (incf column tab-size) - (setq chunk-start (1+ match-pos))) - (t - ;; Reset COLUMN at beginning of line. - (setq column 0))) - (setq last-match (1+ match-pos))) - ;; If no chunks have been allocated, it means there have been no - ;; tabs to expand. Return TEXT unmodified. - (if (null chunks) - text - (when (< chunk-start (length text)) - ;; Push the remaining chunk. - (push (substring text chunk-start) chunks)) - ;; Generate the output from the available chunks. - (htmlize-concat (nreverse chunks))))) - -(defun htmlize-extract-text (beg end trailing-ellipsis) - ;; Extract buffer text, sans the invisible parts. Then - ;; untabify it and escape the HTML metacharacters. - (let ((text (htmlize-buffer-substring-no-invisible beg end))) - (when trailing-ellipsis - (setq text (htmlize-trim-ellipsis text))) - ;; If TEXT ends up empty, don't change trailing-ellipsis. - (when (> (length text) 0) - (setq trailing-ellipsis - (get-text-property (1- (length text)) - 'htmlize-ellipsis text))) - (when htmlize-untabify - (setq text (htmlize-untabify-string text (current-column)))) - (setq text (htmlize-string-to-html text)) - (values text trailing-ellipsis))) - -(defun htmlize-despam-address (string) - "Replace every occurrence of '@' in STRING with %40. -This is used to protect mailto links without modifying their meaning." - ;; Suggested by Ville Skytta. - (while (string-match "@" string) - (setq string (replace-match "%40" nil t string))) - string) - -(defun htmlize-make-tmp-overlay (beg end props) - (let ((overlay (make-overlay beg end))) - (overlay-put overlay 'htmlize-tmp-overlay t) - (while props - (overlay-put overlay (pop props) (pop props))) - overlay)) - -(defun htmlize-delete-tmp-overlays () - (dolist (overlay (overlays-in (point-min) (point-max))) - (when (overlay-get overlay 'htmlize-tmp-overlay) - (delete-overlay overlay)))) - -(defun htmlize-make-link-overlay (beg end uri) - (htmlize-make-tmp-overlay beg end `(htmlize-link (:uri ,uri)))) - -(defun htmlize-create-auto-links () - "Add `htmlize-link' property to all mailto links in the buffer." - (save-excursion - (goto-char (point-min)) - (while (re-search-forward - "<\\(\\(mailto:\\)?\\([-=+_.a-zA-Z0-9]+@[-_.a-zA-Z0-9]+\\)\\)>" - nil t) - (let* ((address (match-string 3)) - (beg (match-beginning 0)) (end (match-end 0)) - (uri (concat "mailto:" (htmlize-despam-address address)))) - (htmlize-make-link-overlay beg end uri))) - (goto-char (point-min)) - (while (re-search-forward "<\\(\\(URL:\\)?\\([a-zA-Z]+://[^;]+\\)\\)>" - nil t) - (htmlize-make-link-overlay - (match-beginning 0) (match-end 0) (match-string 3))))) - -;; Tests for htmlize-create-auto-links: - -;; <mailto:hniksic@xemacs.org> -;; <http://fly.srk.fer.hr> -;; <URL:http://www.xemacs.org> -;; <http://www.mail-archive.com/bbdb-info@xemacs.org/> -;; <hniksic@xemacs.org> -;; <xalan-dev-sc.10148567319.hacuhiucknfgmpfnjcpg-john=doe.com@xml.apache.org> - -(defun htmlize-shadow-form-feeds () - (let ((s "\n<hr />")) - (put-text-property 0 (length s) 'htmlize-literal t s) - (let ((disp `(display ,s))) - (while (re-search-forward "\n\^L" nil t) - (let* ((beg (match-beginning 0)) - (end (match-end 0)) - (form-feed-pos (1+ beg)) - ;; don't process ^L if invisible or covered by `display' - (show (and (htmlize-decode-invisibility-spec - (get-char-property form-feed-pos 'invisible)) - (not (get-char-property form-feed-pos 'display))))) - (when show - (htmlize-make-tmp-overlay beg end disp))))))) - -(defun htmlize-defang-local-variables () - ;; Juri Linkov reports that an HTML-ized "Local variables" can lead - ;; visiting the HTML to fail with "Local variables list is not - ;; properly terminated". He suggested changing the phrase to - ;; syntactically equivalent HTML that Emacs doesn't recognize. - (goto-char (point-min)) - (while (search-forward "Local Variables:" nil t) - (replace-match "Local Variables:" nil t))) - - -;;; Color handling. - -(defvar htmlize-x-library-search-path - `(,data-directory - "/etc/X11/rgb.txt" - "/usr/share/X11/rgb.txt" - ;; the remainder of this list really belongs in a museum - "/usr/X11R6/lib/X11/" - "/usr/X11R5/lib/X11/" - "/usr/lib/X11R6/X11/" - "/usr/lib/X11R5/X11/" - "/usr/local/X11R6/lib/X11/" - "/usr/local/X11R5/lib/X11/" - "/usr/local/lib/X11R6/X11/" - "/usr/local/lib/X11R5/X11/" - "/usr/X11/lib/X11/" - "/usr/lib/X11/" - "/usr/local/lib/X11/" - "/usr/X386/lib/X11/" - "/usr/x386/lib/X11/" - "/usr/XFree86/lib/X11/" - "/usr/unsupported/lib/X11/" - "/usr/athena/lib/X11/" - "/usr/local/x11r5/lib/X11/" - "/usr/lpp/Xamples/lib/X11/" - "/usr/openwin/lib/X11/" - "/usr/openwin/share/lib/X11/")) - -(defun htmlize-get-color-rgb-hash (&optional rgb-file) - "Return a hash table mapping X color names to RGB values. -The keys in the hash table are X11 color names, and the values are the -#rrggbb RGB specifications, extracted from `rgb.txt'. - -If RGB-FILE is nil, the function will try hard to find a suitable file -in the system directories. - -If no rgb.txt file is found, return nil." - (let ((rgb-file (or rgb-file (locate-file - "rgb.txt" - htmlize-x-library-search-path))) - (hash nil)) - (when rgb-file - (with-temp-buffer - (insert-file-contents rgb-file) - (setq hash (make-hash-table :test 'equal)) - (while (not (eobp)) - (cond ((looking-at "^\\s-*\\([!#]\\|$\\)") - ;; Skip comments and empty lines. - ) - ((looking-at - "[ \t]*\\([0-9]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\(.*\\)") - (setf (gethash (downcase (match-string 4)) hash) - (format "#%02x%02x%02x" - (string-to-number (match-string 1)) - (string-to-number (match-string 2)) - (string-to-number (match-string 3))))) - (t - (error - "Unrecognized line in %s: %s" - rgb-file - (buffer-substring (point) (progn (end-of-line) (point)))))) - (forward-line 1)))) - hash)) - -;; Compile the RGB map when loaded. On systems where rgb.txt is -;; missing, the value of the variable will be nil, and rgb.txt will -;; not be used. -(defvar htmlize-color-rgb-hash (htmlize-get-color-rgb-hash)) - -;;; Face handling. - -(defun htmlize-face-color-internal (face fg) - ;; Used only under GNU Emacs. Return the color of FACE, but don't - ;; return "unspecified-fg" or "unspecified-bg". If the face is - ;; `default' and the color is unspecified, look up the color in - ;; frame parameters. - (let* ((function (if fg #'face-foreground #'face-background)) - (color (funcall function face nil t))) - (when (and (eq face 'default) (null color)) - (setq color (cdr (assq (if fg 'foreground-color 'background-color) - (frame-parameters))))) - (when (or (eq color 'unspecified) - (equal color "unspecified-fg") - (equal color "unspecified-bg")) - (setq color nil)) - (when (and (eq face 'default) - (null color)) - ;; Assuming black on white doesn't seem right, but I can't think - ;; of anything better to do. - (setq color (if fg "black" "white"))) - color)) - -(defun htmlize-face-foreground (face) - ;; Return the name of the foreground color of FACE. If FACE does - ;; not specify a foreground color, return nil. - (htmlize-face-color-internal face t)) - -(defun htmlize-face-background (face) - ;; Return the name of the background color of FACE. If FACE does - ;; not specify a background color, return nil. - ;; GNU Emacs. - (htmlize-face-color-internal face nil)) - -;; Convert COLOR to the #RRGGBB string. If COLOR is already in that -;; format, it's left unchanged. - -(defun htmlize-color-to-rgb (color) - (let ((rgb-string nil)) - (cond ((null color) - ;; Ignore nil COLOR because it means that the face is not - ;; specifying any color. Hence (htmlize-color-to-rgb nil) - ;; returns nil. - ) - ((string-match "\\`#" color) - ;; The color is already in #rrggbb format. - (setq rgb-string color)) - ((and htmlize-use-rgb-txt - htmlize-color-rgb-hash) - ;; Use of rgb.txt is requested, and it's available on the - ;; system. Use it. - (setq rgb-string (gethash (downcase color) htmlize-color-rgb-hash))) - (t - ;; We're getting the RGB components from Emacs. - (let ((rgb (mapcar (lambda (arg) - (/ arg 256)) - (color-values color)))) - (when rgb - (setq rgb-string (apply #'format "#%02x%02x%02x" rgb)))))) - ;; If RGB-STRING is still nil, it means the color cannot be found, - ;; for whatever reason. In that case just punt and return COLOR. - ;; Most browsers support a decent set of color names anyway. - (or rgb-string color))) - -;; We store the face properties we care about into an -;; `htmlize-fstruct' type. That way we only have to analyze face -;; properties, which can be time consuming, once per each face. The -;; mapping between Emacs faces and htmlize-fstructs is established by -;; htmlize-make-face-map. The name "fstruct" refers to variables of -;; type `htmlize-fstruct', while the term "face" is reserved for Emacs -;; faces. - -(defstruct htmlize-fstruct - foreground ; foreground color, #rrggbb - background ; background color, #rrggbb - size ; size - boldp ; whether face is bold - italicp ; whether face is italic - underlinep ; whether face is underlined - overlinep ; whether face is overlined - strikep ; whether face is struck through - css-name ; CSS name of face - ) - -(defun htmlize-face-set-from-keyword-attr (fstruct attr value) - ;; For ATTR and VALUE, set the equivalent value in FSTRUCT. - (case attr - (:foreground - (setf (htmlize-fstruct-foreground fstruct) (htmlize-color-to-rgb value))) - (:background - (setf (htmlize-fstruct-background fstruct) (htmlize-color-to-rgb value))) - (:height - (setf (htmlize-fstruct-size fstruct) value)) - (:weight - (when (string-match (symbol-name value) "bold") - (setf (htmlize-fstruct-boldp fstruct) t))) - (:slant - (setf (htmlize-fstruct-italicp fstruct) (or (eq value 'italic) - (eq value 'oblique)))) - (:bold - (setf (htmlize-fstruct-boldp fstruct) value)) - (:italic - (setf (htmlize-fstruct-italicp fstruct) value)) - (:underline - (setf (htmlize-fstruct-underlinep fstruct) value)) - (:overline - (setf (htmlize-fstruct-overlinep fstruct) value)) - (:strike-through - (setf (htmlize-fstruct-strikep fstruct) value)))) - -(defun htmlize-face-size (face) - ;; The size (height) of FACE, taking inheritance into account. - ;; Only works in Emacs 21 and later. - (let* ((face-list (list face)) - (head face-list) - (tail face-list)) - (while head - (let ((inherit (face-attribute (car head) :inherit))) - (cond ((listp inherit) - (setcdr tail (copy-list inherit)) - (setq tail (last tail))) - ((eq inherit 'unspecified)) - (t - (setcdr tail (list inherit)) - (setq tail (cdr tail))))) - (pop head)) - (let ((size-list - (loop - for f in face-list - for h = (face-attribute f :height) - collect (if (eq h 'unspecified) nil h)))) - (reduce 'htmlize-merge-size (cons nil size-list))))) - -(defun htmlize-face-css-name (face) - ;; Generate the css-name property for the given face. Emacs places - ;; no restrictions on the names of symbols that represent faces -- - ;; any characters may be in the name, even control chars. We try - ;; hard to beat the face name into shape, both esthetically and - ;; according to CSS1 specs. - (let ((name (downcase (symbol-name face)))) - (when (string-match "\\`font-lock-" name) - ;; font-lock-FOO-face -> FOO. - (setq name (replace-match "" t t name))) - (when (string-match "-face\\'" name) - ;; Drop the redundant "-face" suffix. - (setq name (replace-match "" t t name))) - (while (string-match "[^-a-zA-Z0-9]" name) - ;; Drop the non-alphanumerics. - (setq name (replace-match "X" t t name))) - (when (string-match "\\`[-0-9]" name) - ;; CSS identifiers may not start with a digit. - (setq name (concat "X" name))) - ;; After these transformations, the face could come out empty. - (when (equal name "") - (setq name "face")) - ;; Apply the prefix. - (concat htmlize-css-name-prefix name))) - -(defun htmlize-face-to-fstruct-1 (face) - "Convert Emacs face FACE to fstruct, internal." - (let ((fstruct (make-htmlize-fstruct - :foreground (htmlize-color-to-rgb - (htmlize-face-foreground face)) - :background (htmlize-color-to-rgb - (htmlize-face-background face))))) - ;; GNU Emacs - (dolist (attr '(:weight :slant :underline :overline :strike-through)) - (let ((value (face-attribute face attr nil t))) - (when (and value (not (eq value 'unspecified))) - (htmlize-face-set-from-keyword-attr fstruct attr value)))) - (let ((size (htmlize-face-size face))) - (unless (eql size 1.0) ; ignore non-spec - (setf (htmlize-fstruct-size fstruct) size))) - (setf (htmlize-fstruct-css-name fstruct) (htmlize-face-css-name face)) - fstruct)) - -(defun htmlize-face-to-fstruct (face) - (let* ((face-list (or (and (symbolp face) - (cdr (assq face face-remapping-alist))) - (list face))) - (fstruct (htmlize-merge-faces - (mapcar (lambda (face) - (if (symbolp face) - (or (htmlize-get-override-fstruct face) - (htmlize-face-to-fstruct-1 face)) - (htmlize-attrlist-to-fstruct face))) - (nreverse face-list))))) - (when (symbolp face) - (setf (htmlize-fstruct-css-name fstruct) (htmlize-face-css-name face))) - fstruct)) - -(defmacro htmlize-copy-attr-if-set (attr-list dest source) - ;; Generate code with the following pattern: - ;; (progn - ;; (when (htmlize-fstruct-ATTR source) - ;; (setf (htmlize-fstruct-ATTR dest) (htmlize-fstruct-ATTR source))) - ;; ...) - ;; for the given list of boolean attributes. - (cons 'progn - (loop for attr in attr-list - for attr-sym = (intern (format "htmlize-fstruct-%s" attr)) - collect `(when (,attr-sym ,source) - (setf (,attr-sym ,dest) (,attr-sym ,source)))))) - -(defun htmlize-merge-size (merged next) - ;; Calculate the size of the merge of MERGED and NEXT. - (cond ((null merged) next) - ((integerp next) next) - ((null next) merged) - ((floatp merged) (* merged next)) - ((integerp merged) (round (* merged next))))) - -(defun htmlize-merge-two-faces (merged next) - (htmlize-copy-attr-if-set - (foreground background boldp italicp underlinep overlinep strikep) - merged next) - (setf (htmlize-fstruct-size merged) - (htmlize-merge-size (htmlize-fstruct-size merged) - (htmlize-fstruct-size next))) - merged) - -(defun htmlize-merge-faces (fstruct-list) - (cond ((null fstruct-list) - ;; Nothing to do, return a dummy face. - (make-htmlize-fstruct)) - ((null (cdr fstruct-list)) - ;; Optimize for the common case of a single face, simply - ;; return it. - (car fstruct-list)) - (t - (reduce #'htmlize-merge-two-faces - (cons (make-htmlize-fstruct) fstruct-list))))) - -;; GNU Emacs 20+ supports attribute lists in `face' properties. For -;; example, you can use `(:foreground "red" :weight bold)' as an -;; overlay's "face", or you can even use a list of such lists, etc. -;; We call those "attrlists". -;; -;; htmlize supports attrlist by converting them to fstructs, the same -;; as with regular faces. - -(defun htmlize-attrlist-to-fstruct (attrlist &optional name) - ;; Like htmlize-face-to-fstruct, but accepts an ATTRLIST as input. - (let ((fstruct (make-htmlize-fstruct))) - (cond ((eq (car attrlist) 'foreground-color) - ;; ATTRLIST is (foreground-color . COLOR) - (setf (htmlize-fstruct-foreground fstruct) - (htmlize-color-to-rgb (cdr attrlist)))) - ((eq (car attrlist) 'background-color) - ;; ATTRLIST is (background-color . COLOR) - (setf (htmlize-fstruct-background fstruct) - (htmlize-color-to-rgb (cdr attrlist)))) - (t - ;; ATTRLIST is a plist. - (while attrlist - (let ((attr (pop attrlist)) - (value (pop attrlist))) - (when (and value (not (eq value 'unspecified))) - (htmlize-face-set-from-keyword-attr fstruct attr value)))))) - (setf (htmlize-fstruct-css-name fstruct) (or name "custom")) - fstruct)) - -(defun htmlize-decode-face-prop (prop) - "Turn face property PROP into a list of face-like objects." - ;; PROP can be a symbol naming a face, a string naming such a - ;; symbol, a cons (foreground-color . COLOR) or (background-color - ;; COLOR), a property list (:attr1 val1 :attr2 val2 ...), or a list - ;; of any of those. - ;; - ;; (htmlize-decode-face-prop 'face) -> (face) - ;; (htmlize-decode-face-prop '(face1 face2)) -> (face1 face2) - ;; (htmlize-decode-face-prop '(:attr "val")) -> ((:attr "val")) - ;; (htmlize-decode-face-prop '((:attr "val") face (foreground-color "red"))) - ;; -> ((:attr "val") face (foreground-color "red")) - ;; - ;; Unrecognized atoms or non-face symbols/strings are silently - ;; stripped away. - (cond ((null prop) - nil) - ((symbolp prop) - (and (facep prop) - (list prop))) - ((stringp prop) - (and (facep (intern-soft prop)) - (list prop))) - ((atom prop) - nil) - ((and (symbolp (car prop)) - (eq ?: (aref (symbol-name (car prop)) 0))) - (list prop)) - ((or (eq (car prop) 'foreground-color) - (eq (car prop) 'background-color)) - (list prop)) - (t - (apply #'nconc (mapcar #'htmlize-decode-face-prop prop))))) - -(defun htmlize-get-override-fstruct (face) - (let* ((raw-def (plist-get htmlize-face-overrides face)) - (def (cond ((stringp raw-def) (list :foreground raw-def)) - ((listp raw-def) raw-def) - (t - (error (format (concat "face override must be an " - "attribute list or string, got %s") - raw-def)))))) - (and def - (htmlize-attrlist-to-fstruct def (symbol-name face))))) - -(defun htmlize-make-face-map (faces) - ;; Return a hash table mapping Emacs faces to htmlize's fstructs. - ;; The keys are either face symbols or attrlists, so the test - ;; function must be `equal'. - (let ((face-map (make-hash-table :test 'equal)) - css-names) - (dolist (face faces) - (unless (gethash face face-map) - ;; Haven't seen FACE yet; convert it to an fstruct and cache - ;; it. - (let ((fstruct (htmlize-face-to-fstruct face))) - (setf (gethash face face-map) fstruct) - (let* ((css-name (htmlize-fstruct-css-name fstruct)) - (new-name css-name) - (i 0)) - ;; Uniquify the face's css-name by using NAME-1, NAME-2, - ;; etc. - (while (member new-name css-names) - (setq new-name (format "%s-%s" css-name (incf i)))) - (unless (equal new-name css-name) - (setf (htmlize-fstruct-css-name fstruct) new-name)) - (push new-name css-names))))) - face-map)) - -(defun htmlize-unstringify-face (face) - "If FACE is a string, return it interned, otherwise return it unchanged." - (if (stringp face) - (intern face) - face)) - -(defun htmlize-faces-in-buffer () - "Return a list of faces used in the current buffer. -This is the set of faces specified by the `face' text property and by buffer -overlays that specify `face'." - (let (faces) - ;; Faces used by text properties. - (let ((pos (point-min)) face-prop next) - (while (< pos (point-max)) - (setq face-prop (get-text-property pos 'face) - next (or (next-single-property-change pos 'face) (point-max))) - (setq faces (nunion (htmlize-decode-face-prop face-prop) - faces :test 'equal)) - (setq pos next))) - ;; Faces used by overlays. - (dolist (overlay (overlays-in (point-min) (point-max))) - (let ((face-prop (overlay-get overlay 'face))) - (setq faces (nunion (htmlize-decode-face-prop face-prop) - faces :test 'equal)))) - faces)) - -(if (>= emacs-major-version 25) - (defun htmlize-sorted-overlays-at (pos) - (overlays-at pos t)) - - (defun htmlize-sorted-overlays-at (pos) - ;; Like OVERLAYS-AT with the SORTED argument, for older Emacsen. - (let ((overlays (overlays-at pos))) - (setq overlays (sort* overlays #'< - :key (lambda (o) - (- (overlay-end o) (overlay-start o))))) - (setq overlays - (stable-sort overlays #'< - :key (lambda (o) - (let ((prio (overlay-get o 'priority))) - (if (numberp prio) prio 0))))) - (nreverse overlays)))) - - -;; htmlize-faces-at-point returns the faces in use at point. The -;; faces are sorted by increasing priority, i.e. the last face takes -;; precedence. -;; -;; This returns all the faces in the `face' property and all the faces -;; in the overlays at point. - -(defun htmlize-faces-at-point () - (let (all-faces) - ;; Faces from text properties. - (let ((face-prop (get-text-property (point) 'face))) - ;; we need to reverse the `face' prop because we want - ;; more specific faces to come later - (setq all-faces (nreverse (htmlize-decode-face-prop face-prop)))) - ;; Faces from overlays. - (let ((overlays - ;; Collect overlays at point that specify `face'. - (delete-if-not (lambda (o) - (overlay-get o 'face)) - (nreverse (htmlize-sorted-overlays-at (point))))) - list face-prop) - (dolist (overlay overlays) - (setq face-prop (overlay-get overlay 'face) - list (nconc (htmlize-decode-face-prop face-prop) list))) - ;; Under "Merging Faces" the manual explicitly states - ;; that faces specified by overlays take precedence over - ;; faces specified by text properties. - (setq all-faces (nconc all-faces list))) - all-faces)) - -;; htmlize supports generating HTML in several flavors, some of which -;; use CSS, and others the <font> element. We take an OO approach and -;; define "methods" that indirect to the functions that depend on -;; `htmlize-output-type'. The currently used methods are `doctype', -;; `insert-head', `body-tag', `pre-tag', and `text-markup'. Not all -;; output types define all methods. -;; -;; Methods are called either with (htmlize-method METHOD ARGS...) -;; special form, or by accessing the function with -;; (htmlize-method-function 'METHOD) and calling (funcall FUNCTION). -;; The latter form is useful in tight loops because `htmlize-method' -;; conses. - -(defmacro htmlize-method (method &rest args) - ;; Expand to (htmlize-TYPE-METHOD ...ARGS...). TYPE is the value of - ;; `htmlize-output-type' at run time. - `(funcall (htmlize-method-function ',method) ,@args)) - -(defun htmlize-method-function (method) - ;; Return METHOD's function definition for the current output type. - ;; The returned object can be safely funcalled. - (let ((sym (intern (format "htmlize-%s-%s" htmlize-output-type method)))) - (indirect-function (if (fboundp sym) - sym - (let ((default (intern (concat "htmlize-default-" - (symbol-name method))))) - (if (fboundp default) - default - 'ignore)))))) - -(defvar htmlize-memoization-table (make-hash-table :test 'equal)) - -(defmacro htmlize-memoize (key generator) - "Return the value of GENERATOR, memoized as KEY. -That means that GENERATOR will be evaluated and returned the first time -it's called with the same value of KEY. All other times, the cached -\(memoized) value will be returned." - (let ((value (gensym))) - `(let ((,value (gethash ,key htmlize-memoization-table))) - (unless ,value - (setq ,value ,generator) - (setf (gethash ,key htmlize-memoization-table) ,value)) - ,value))) - -;;; Default methods. - -(defun htmlize-default-doctype () - nil ; no doc-string - ;; Note that the `font' output is technically invalid under this DTD - ;; because the DTD doesn't allow embedding <font> in <pre>. - "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01//EN\">" - ) - -(defun htmlize-default-body-tag (face-map) - nil ; no doc-string - face-map ; shut up the byte-compiler - "<body>") - -(defun htmlize-default-pre-tag (face-map) - nil ; no doc-string - face-map ; shut up the byte-compiler - "<pre>") - - -;;; CSS based output support. - -;; Internal function; not a method. -(defun htmlize-css-specs (fstruct) - (let (result) - (when (htmlize-fstruct-foreground fstruct) - (push (format "color: %s;" (htmlize-fstruct-foreground fstruct)) - result)) - (when (htmlize-fstruct-background fstruct) - (push (format "background-color: %s;" - (htmlize-fstruct-background fstruct)) - result)) - (let ((size (htmlize-fstruct-size fstruct))) - (when (and size (not (eq htmlize-ignore-face-size t))) - (cond ((floatp size) - (push (format "font-size: %d%%;" (* 100 size)) result)) - ((not (eq htmlize-ignore-face-size 'absolute)) - (push (format "font-size: %spt;" (/ size 10.0)) result))))) - (when (htmlize-fstruct-boldp fstruct) - (push "font-weight: bold;" result)) - (when (htmlize-fstruct-italicp fstruct) - (push "font-style: italic;" result)) - (when (htmlize-fstruct-underlinep fstruct) - (push "text-decoration: underline;" result)) - (when (htmlize-fstruct-overlinep fstruct) - (push "text-decoration: overline;" result)) - (when (htmlize-fstruct-strikep fstruct) - (push "text-decoration: line-through;" result)) - (nreverse result))) - -(defun htmlize-css-insert-head (buffer-faces face-map) - (insert " <style type=\"text/css\">\n <!--\n") - (insert " body {\n " - (mapconcat #'identity - (htmlize-css-specs (gethash 'default face-map)) - "\n ") - "\n }\n") - (dolist (face (sort* (copy-list buffer-faces) #'string-lessp - :key (lambda (f) - (htmlize-fstruct-css-name (gethash f face-map))))) - (let* ((fstruct (gethash face face-map)) - (cleaned-up-face-name - (let ((s - ;; Use `prin1-to-string' rather than `symbol-name' - ;; to get the face name because the "face" can also - ;; be an attrlist, which is not a symbol. - (prin1-to-string face))) - ;; If the name contains `--' or `*/', remove them. - (while (string-match "--" s) - (setq s (replace-match "-" t t s))) - (while (string-match "\\*/" s) - (setq s (replace-match "XX" t t s))) - s)) - (specs (htmlize-css-specs fstruct))) - (insert " ." (htmlize-fstruct-css-name fstruct)) - (if (null specs) - (insert " {") - (insert " {\n /* " cleaned-up-face-name " */\n " - (mapconcat #'identity specs "\n "))) - (insert "\n }\n"))) - (insert htmlize-hyperlink-style - " -->\n </style>\n")) - -(defun htmlize-css-text-markup (fstruct-list buffer) - ;; Open the markup needed to insert text colored with FACES into - ;; BUFFER. Return the function that closes the markup. - - ;; In CSS mode, this is easy: just nest the text in one <span - ;; class=...> tag for each face in FSTRUCT-LIST. - (dolist (fstruct fstruct-list) - (princ "<span class=\"" buffer) - (princ (htmlize-fstruct-css-name fstruct) buffer) - (princ "\">" buffer)) - (htmlize-lexlet ((fstruct-list fstruct-list) (buffer buffer)) - (lambda () - (dolist (fstruct fstruct-list) - (ignore fstruct) ; shut up the byte-compiler - (princ "</span>" buffer))))) - -;; `inline-css' output support. - -(defun htmlize-inline-css-body-tag (face-map) - (format "<body style=\"%s\">" - (mapconcat #'identity (htmlize-css-specs (gethash 'default face-map)) - " "))) - -(defun htmlize-inline-css-pre-tag (face-map) - (if htmlize-pre-style - (format "<pre style=\"%s\">" - (mapconcat #'identity (htmlize-css-specs (gethash 'default face-map)) - " ")) - (format "<pre>"))) - -(defun htmlize-inline-css-text-markup (fstruct-list buffer) - (let* ((merged (htmlize-merge-faces fstruct-list)) - (style (htmlize-memoize - merged - (let ((specs (htmlize-css-specs merged))) - (and specs - (mapconcat #'identity (htmlize-css-specs merged) " ")))))) - (when style - (princ "<span style=\"" buffer) - (princ style buffer) - (princ "\">" buffer)) - (htmlize-lexlet ((style style) (buffer buffer)) - (lambda () - (when style - (princ "</span>" buffer)))))) - -;;; `font' tag based output support. - -(defun htmlize-font-body-tag (face-map) - (let ((fstruct (gethash 'default face-map))) - (format "<body text=\"%s\" bgcolor=\"%s\">" - (htmlize-fstruct-foreground fstruct) - (htmlize-fstruct-background fstruct)))) - -(defun htmlize-font-pre-tag (face-map) - (if htmlize-pre-style - (let ((fstruct (gethash 'default face-map))) - (format "<pre text=\"%s\" bgcolor=\"%s\">" - (htmlize-fstruct-foreground fstruct) - (htmlize-fstruct-background fstruct))) - (format "<pre>"))) - -(defun htmlize-font-text-markup (fstruct-list buffer) - ;; In `font' mode, we use the traditional HTML means of altering - ;; presentation: <font> tag for colors, <b> for bold, <u> for - ;; underline, and <strike> for strike-through. - (let* ((merged (htmlize-merge-faces fstruct-list)) - (markup (htmlize-memoize - merged - (cons (concat - (and (htmlize-fstruct-foreground merged) - (format "<font color=\"%s\">" (htmlize-fstruct-foreground merged))) - (and (htmlize-fstruct-boldp merged) "<b>") - (and (htmlize-fstruct-italicp merged) "<i>") - (and (htmlize-fstruct-underlinep merged) "<u>") - (and (htmlize-fstruct-strikep merged) "<strike>")) - (concat - (and (htmlize-fstruct-strikep merged) "</strike>") - (and (htmlize-fstruct-underlinep merged) "</u>") - (and (htmlize-fstruct-italicp merged) "</i>") - (and (htmlize-fstruct-boldp merged) "</b>") - (and (htmlize-fstruct-foreground merged) "</font>")))))) - (princ (car markup) buffer) - (htmlize-lexlet ((markup markup) (buffer buffer)) - (lambda () - (princ (cdr markup) buffer))))) - -(defun htmlize-buffer-1 () - ;; Internal function; don't call it from outside this file. Htmlize - ;; current buffer, writing the resulting HTML to a new buffer, and - ;; return it. Unlike htmlize-buffer, this doesn't change current - ;; buffer or use switch-to-buffer. - (save-excursion - ;; Protect against the hook changing the current buffer. - (save-excursion - (run-hooks 'htmlize-before-hook)) - ;; Convince font-lock support modes to fontify the entire buffer - ;; in advance. - (htmlize-ensure-fontified) - (clrhash htmlize-extended-character-cache) - (clrhash htmlize-memoization-table) - ;; It's important that the new buffer inherits default-directory - ;; from the current buffer. - (let ((htmlbuf (generate-new-buffer (if (buffer-file-name) - (htmlize-make-file-name - (file-name-nondirectory - (buffer-file-name))) - "*html*"))) - (completed nil)) - (unwind-protect - (let* ((buffer-faces (htmlize-faces-in-buffer)) - (face-map (htmlize-make-face-map (adjoin 'default buffer-faces))) - (places (gensym)) - (title (if (buffer-file-name) - (file-name-nondirectory (buffer-file-name)) - (buffer-name)))) - (when htmlize-generate-hyperlinks - (htmlize-create-auto-links)) - (when htmlize-replace-form-feeds - (htmlize-shadow-form-feeds)) - - ;; Initialize HTMLBUF and insert the HTML prolog. - (with-current-buffer htmlbuf - (buffer-disable-undo) - (insert (htmlize-method doctype) ?\n - (format "<!-- Created by htmlize-%s in %s mode. -->\n" - htmlize-version htmlize-output-type) - "<html>\n ") - (put places 'head-start (point-marker)) - (insert "<head>\n" - " <title>" (htmlize-protect-string title) "</title>\n" - (if htmlize-html-charset - (format (concat " <meta http-equiv=\"Content-Type\" " - "content=\"text/html; charset=%s\">\n") - htmlize-html-charset) - "") - htmlize-head-tags) - (htmlize-method insert-head buffer-faces face-map) - (insert " </head>") - (put places 'head-end (point-marker)) - (insert "\n ") - (put places 'body-start (point-marker)) - (insert (htmlize-method body-tag face-map) - "\n ") - (put places 'content-start (point-marker)) - (insert (htmlize-method pre-tag face-map) "\n")) - (let ((text-markup - ;; Get the inserter method, so we can funcall it inside - ;; the loop. Not calling `htmlize-method' in the loop - ;; body yields a measurable speed increase. - (htmlize-method-function 'text-markup)) - ;; Declare variables used in loop body outside the loop - ;; because it's faster to establish `let' bindings only - ;; once. - next-change text face-list trailing-ellipsis - fstruct-list last-fstruct-list - (close-markup (lambda ()))) - ;; This loop traverses and reads the source buffer, appending - ;; the resulting HTML to HTMLBUF. This method is fast - ;; because: 1) it doesn't require examining the text - ;; properties char by char (htmlize-next-face-change is used - ;; to move between runs with the same face), and 2) it doesn't - ;; require frequent buffer switches, which are slow because - ;; they rebind all buffer-local vars. - (goto-char (point-min)) - (while (not (eobp)) - (setq next-change (htmlize-next-face-change (point))) - ;; Get faces in use between (point) and NEXT-CHANGE, and - ;; convert them to fstructs. - (setq face-list (htmlize-faces-at-point) - fstruct-list (delq nil (mapcar (lambda (f) - (gethash f face-map)) - face-list))) - (multiple-value-setq (text trailing-ellipsis) - (htmlize-extract-text (point) next-change trailing-ellipsis)) - ;; Don't bother writing anything if there's no text (this - ;; happens in invisible regions). - (when (> (length text) 0) - ;; Open the new markup if necessary and insert the text. - (when (not (equalp fstruct-list last-fstruct-list)) - (funcall close-markup) - (setq last-fstruct-list fstruct-list - close-markup (funcall text-markup fstruct-list htmlbuf))) - (princ text htmlbuf)) - (goto-char next-change)) - - ;; We've gone through the buffer; close the markup from - ;; the last run, if any. - (funcall close-markup)) - - ;; Insert the epilog and post-process the buffer. - (with-current-buffer htmlbuf - (insert "</pre>") - (put places 'content-end (point-marker)) - (insert "\n </body>") - (put places 'body-end (point-marker)) - (insert "\n</html>\n") - (htmlize-defang-local-variables) - (goto-char (point-min)) - (when htmlize-html-major-mode - ;; What sucks about this is that the minor modes, most notably - ;; font-lock-mode, won't be initialized. Oh well. - (funcall htmlize-html-major-mode)) - (set (make-local-variable 'htmlize-buffer-places) - (symbol-plist places)) - (run-hooks 'htmlize-after-hook) - (buffer-enable-undo)) - (setq completed t) - htmlbuf) - - (when (not completed) - (kill-buffer htmlbuf)) - (htmlize-delete-tmp-overlays))))) - -;; Utility functions. - -(defmacro htmlize-with-fontify-message (&rest body) - ;; When forcing fontification of large buffers in - ;; htmlize-ensure-fontified, inform the user that he is waiting for - ;; font-lock, not for htmlize to finish. - `(progn - (if (> (buffer-size) 65536) - (message "Forcing fontification of %s..." - (buffer-name (current-buffer)))) - ,@body - (if (> (buffer-size) 65536) - (message "Forcing fontification of %s...done" - (buffer-name (current-buffer)))))) - -(defun htmlize-ensure-fontified () - ;; If font-lock is being used, ensure that the "support" modes - ;; actually fontify the buffer. If font-lock is not in use, we - ;; don't care because, except in htmlize-file, we don't force - ;; font-lock on the user. - (when font-lock-mode - ;; In part taken from ps-print-ensure-fontified in GNU Emacs 21. - (when (and (boundp 'jit-lock-mode) - (symbol-value 'jit-lock-mode)) - (htmlize-with-fontify-message - (jit-lock-fontify-now (point-min) (point-max)))) - - (if (fboundp 'font-lock-ensure) - (font-lock-ensure) - ;; Emacs prior to 25.1 - (with-no-warnings - (font-lock-mode 1) - (font-lock-fontify-buffer))))) - - -;;;###autoload -(defun htmlize-buffer (&optional buffer) - "Convert BUFFER to HTML, preserving colors and decorations. - -The generated HTML is available in a new buffer, which is returned. -When invoked interactively, the new buffer is selected in the current -window. The title of the generated document will be set to the buffer's -file name or, if that's not available, to the buffer's name. - -Note that htmlize doesn't fontify your buffers, it only uses the -decorations that are already present. If you don't set up font-lock or -something else to fontify your buffers, the resulting HTML will be -plain. Likewise, if you don't like the choice of colors, fix the mode -that created them, or simply alter the faces it uses." - (interactive) - (let ((htmlbuf (with-current-buffer (or buffer (current-buffer)) - (htmlize-buffer-1)))) - (when (interactive-p) - (switch-to-buffer htmlbuf)) - htmlbuf)) - -;;;###autoload -(defun htmlize-region (beg end) - "Convert the region to HTML, preserving colors and decorations. -See `htmlize-buffer' for details." - (interactive "r") - ;; Don't let zmacs region highlighting end up in HTML. - (when (fboundp 'zmacs-deactivate-region) - (zmacs-deactivate-region)) - (let ((htmlbuf (save-restriction - (narrow-to-region beg end) - (htmlize-buffer-1)))) - (when (interactive-p) - (switch-to-buffer htmlbuf)) - htmlbuf)) - -(defun htmlize-region-for-paste (beg end) - "Htmlize the region and return just the HTML as a string. -This forces the `inline-css' style and only returns the HTML body, -but without the BODY tag. This should make it useful for inserting -the text to another HTML buffer." - (let* ((htmlize-output-type 'inline-css) - (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)))) - -(defun htmlize-region-save-screenshot (beg end) - "Save the htmlized (see `htmlize-region-for-paste') region in -the kill ring. Uses `inline-css', with style information in -`<pre>' tags, so that the rendering of the marked up text -approximates the buffer as closely as possible." - (interactive "r") - (let ((htmlize-pre-style t)) - (kill-new (htmlize-region-for-paste beg end))) - (deactivate-mark)) - -(defun htmlize-make-file-name (file) - "Make an HTML file name from FILE. - -In its default implementation, this simply appends `.html' to FILE. -This function is called by htmlize to create the buffer file name, and -by `htmlize-file' to create the target file name. - -More elaborate transformations are conceivable, such as changing FILE's -extension to `.html' (\"file.c\" -> \"file.html\"). If you want them, -overload this function to do it and htmlize will comply." - (concat file ".html")) - -;; Older implementation of htmlize-make-file-name that changes FILE's -;; extension to ".html". -;(defun htmlize-make-file-name (file) -; (let ((extension (file-name-extension file)) -; (sans-extension (file-name-sans-extension file))) -; (if (or (equal extension "html") -; (equal extension "htm") -; (equal sans-extension "")) -; (concat file ".html") -; (concat sans-extension ".html")))) - -;;;###autoload -(defun htmlize-file (file &optional target) - "Load FILE, fontify it, convert it to HTML, and save the result. - -Contents of FILE are inserted into a temporary buffer, whose major mode -is set with `normal-mode' as appropriate for the file type. The buffer -is subsequently fontified with `font-lock' and converted to HTML. Note -that, unlike `htmlize-buffer', this function explicitly turns on -font-lock. If a form of highlighting other than font-lock is desired, -please use `htmlize-buffer' directly on buffers so highlighted. - -Buffers currently visiting FILE are unaffected by this function. The -function does not change current buffer or move the point. - -If TARGET is specified and names a directory, the resulting file will be -saved there instead of to FILE's directory. If TARGET is specified and -does not name a directory, it will be used as output file name." - (interactive (list (read-file-name - "HTML-ize file: " - nil nil nil (and (buffer-file-name) - (file-name-nondirectory - (buffer-file-name)))))) - (let ((output-file (if (and target (not (file-directory-p target))) - target - (expand-file-name - (htmlize-make-file-name (file-name-nondirectory file)) - (or target (file-name-directory file))))) - ;; Try to prevent `find-file-noselect' from triggering - ;; font-lock because we'll fontify explicitly below. - (font-lock-mode nil) - (font-lock-auto-fontify nil) - (global-font-lock-mode nil) - ;; Ignore the size limit for the purposes of htmlization. - (font-lock-maximum-size nil)) - (with-temp-buffer - ;; Insert FILE into the temporary buffer. - (insert-file-contents file) - ;; Set the file name so normal-mode and htmlize-buffer-1 pick it - ;; up. Restore it afterwards so with-temp-buffer's kill-buffer - ;; doesn't complain about killing a modified buffer. - (let ((buffer-file-name file)) - ;; Set the major mode for the sake of font-lock. - (normal-mode) - ;; htmlize the buffer and save the HTML. - (with-current-buffer (htmlize-buffer-1) - (unwind-protect - (progn - (run-hooks 'htmlize-file-hook) - (write-region (point-min) (point-max) output-file)) - (kill-buffer (current-buffer))))))) - ;; I haven't decided on a useful return value yet, so just return - ;; nil. - nil) - -;;;###autoload -(defun htmlize-many-files (files &optional target-directory) - "Convert FILES to HTML and save the corresponding HTML versions. - -FILES should be a list of file names to convert. This function calls -`htmlize-file' on each file; see that function for details. When -invoked interactively, you are prompted for a list of files to convert, -terminated with RET. - -If TARGET-DIRECTORY is specified, the HTML files will be saved to that -directory. Normally, each HTML file is saved to the directory of the -corresponding source file." - (interactive - (list - (let (list file) - ;; Use empty string as DEFAULT because setting DEFAULT to nil - ;; defaults to the directory name, which is not what we want. - (while (not (equal (setq file (read-file-name - "HTML-ize file (RET to finish): " - (and list (file-name-directory - (car list))) - "" t)) - "")) - (push file list)) - (nreverse list)))) - ;; Verify that TARGET-DIRECTORY is indeed a directory. If it's a - ;; file, htmlize-file will use it as target, and that doesn't make - ;; sense. - (and target-directory - (not (file-directory-p target-directory)) - (error "target-directory must name a directory: %s" target-directory)) - (dolist (file files) - (htmlize-file file target-directory))) - -;;;###autoload -(defun htmlize-many-files-dired (arg &optional target-directory) - "HTMLize dired-marked files." - (interactive "P") - (htmlize-many-files (dired-get-marked-files nil arg) target-directory)) - -(provide 'htmlize) - -;; Local Variables: -;; byte-compile-warnings: (not cl-functions unresolved obsolete) -;; End: - -;;; htmlize.el ends here diff --git a/build-aux/workflow/vendor/org.css b/build-aux/workflow/vendor/org.css deleted file mode 100644 index 138cdba..0000000 --- a/build-aux/workflow/vendor/org.css +++ /dev/null @@ -1,5 +0,0 @@ -/* -Taken from: -https://gongzhitaao.org/orgcss/org.css -*/ -/*! normalize.css v4.1.1 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;line-height:1.15;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block}audio:not([controls]){display:none;height:0}progress{vertical-align:baseline}[hidden],template{display:none}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}abbr[title]{border-bottom:none;text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}b,strong{font-weight:inherit;font-weight:bolder}dfn{font-style:italic}h1{font-size:2em;margin:.67em 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