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;;; textile-mode.el --- Textile markup editing major mode
;; Copyright (C) 2006 Free Software Foundation, Inc.
;; Author: Julien Barnier <julien@nozav.org>
;; $Id: textile-mode.el 6 2006-03-30 22:37:08Z juba $
;; This file 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 file 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; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;;
;; Known bugs or limitations:
;; - if several {style}, [lang] or (class) attributes are given for
;; the same block, only the first one of each type will be
;; highlighted.
;;
;; - some complex imbrications of inline markup and attributes are
;; not well-rendered (for example, *strong *{something}notstrong*)
;;
;;; Code:
(defvar textile-mode-map
(let ((map (make-sparse-keymap)))
(define-key map [foo] 'textile-do-foo)
map)
"Keymap for `textile-mode'.")
(defvar textile-mode-hook nil
"A list of functions to run when entering textile-mode.")
(defun textile-re-concat (l)
"Concatenate the elements of a list with a \\| separator and
non-matching parentheses"
(concat
"\\(?:"
(mapconcat 'identity l "\\|")
"\\)"))
(setq textile-attributes
'("{[^}]*}" "([^)]*)" "\\[[^]]*\\]"))
(setq textile-blocks
'("^h1" "^h2" "^h3" "^h4" "^h5" "^h6" "^p" "^bq" "^fn[0-9]+" "^#+ " "^\\*+ " "^table"))
(setq textile-inline-markup
'("\\*" "\\*\\*" "_" "__" "\\?\\?" "@" "-" "\\+" "^" "~" "%"))
(setq textile-alignments
'( "<>" "<" ">" "=" "(+" ")+"))
(setq textile-table-alignments
'( "<>" "<" ">" "=" "_" "\\^" "~" "\\\\[0-9]+" "/[0-9]+"))
; from gnus-button-url-regexp
(setq textile-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)")
(defun textile-block-matcher (bloc)
"Return the matcher regexp for a block element"
(concat
"^"
bloc
(textile-re-concat textile-alignments) "?"
(textile-re-concat textile-attributes) "*"
"\\. "
"\\(\\(?:.\\|\n\\)*?\\)\n\n"))
(defun textile-attribute-matcher (attr-start attr-end)
"Return the matcher regexp for an attribute"
(concat
(textile-re-concat (append textile-blocks textile-inline-markup))
(textile-re-concat textile-alignments) "*"
(textile-re-concat textile-attributes) "*"
"\\(" attr-start "[^"
(if (string-equal attr-end "\\]") "]" attr-end)
"]*" attr-end "\\)"))
(defun textile-inline-markup-matcher (markup)
"Return the matcher regexp for an inline markup"
(concat
"\\W\\("
markup
"\\(?:\\w\\|\\w.*?\\w\\|[[{(].*?\\w\\)"
markup
"\\)\\W"))
(defun textile-list-bullet-matcher (bullet)
"Return the matcher regexp for a list bullet"
(concat
"^\\(" bullet "\\)"
(textile-re-concat textile-alignments) "*"
(textile-re-concat textile-attributes) "*"))
(defun textile-alignments-matcher ()
"Return the matcher regexp for an alignments or indentation"
(concat
"\\(?:" (textile-re-concat textile-blocks) "\\|" "!" "\\)"
"\\(" (textile-re-concat textile-alignments) "+" "\\)"))
(defun textile-table-matcher ()
"Return the matcher regexp for a table row or header"
(concat
"\\(?:"
"^table" (textile-re-concat textile-table-alignments) "*" (textile-re-concat textile-attributes) "*" "\\. *$"
"\\|"
"^" (textile-re-concat textile-table-alignments) "*" (textile-re-concat textile-attributes) "*" "\\(?:\\. *|\\)"
"\\|"
"|" (textile-re-concat textile-table-alignments) "*" (textile-re-concat textile-attributes) "*" "\\(?:\\. \\)?"
"\\|"
"| *$"
"\\)"))
(defun textile-link-matcher ()
"Return the matcher regexp for a link"
(concat
"\\(?:"
"\\(?:" "\".*?\"" "\\|" "\\[.*?\\]" "\\)?"
textile-url-regexp
"\\|"
"\".*?\":[^ \n\t]+"
"\\)"))
(defun textile-image-matcher ()
"Return the matcher regexp for an image link"
(concat
"!"
(textile-re-concat textile-alignments) "*"
"/?\\w[^ \n\t]*?\\(?: *(.*?)\\|\\w\\)"
"!:?"))
(defun textile-acronym-matcher ()
"Return the matcher regexp for an acronym"
(concat
"\\w+" "(.*?)"))
(defvar textile-font-lock-keywords
(list
;; headers
`(,(textile-block-matcher "h1") 1 'textile-h1-face t t)
`(,(textile-block-matcher "h2") 1 'textile-h2-face t t)
`(,(textile-block-matcher "h3") 1 'textile-h3-face t t)
`(,(textile-block-matcher "h4") 1 'textile-h4-face t t)
`(,(textile-block-matcher "h5") 1 'textile-h5-face t t)
`(,(textile-block-matcher "h6") 1 'textile-h6-face t t)
;; blockquotes
`(,(textile-block-matcher "bq") 1 'textile-blockquote-face t t)
;; footnotes
`(,(textile-block-matcher "fn[0-9]+") 1 'textile-footnote-face t t)
;; footnote marks
'("\\w\\([[0-9]+]\\)" 1 'textile-footnotemark-face prepend t)
;; acronyms
`(,(textile-acronym-matcher) 0 'textile-acronym-face t t)
;; emphasis
`(,(textile-inline-markup-matcher "__") 1 'textile-emph-face prepend t)
`(,(textile-inline-markup-matcher "_") 1 'textile-emph-face prepend t)
'("<em>\\(.\\|\n\\)*?</em>" 0 'textile-emph-face prepend t)
;; strength
`(,(textile-inline-markup-matcher "\\*\\*") 1 'textile-strong-face prepend t)
`(,(textile-inline-markup-matcher "\\*") 1 'textile-strong-face prepend t)
'("<strong>\\(.\\|\n\\)*?</strong>" 0 'textile-strong-face prepend t)
;; citation
`(,(textile-inline-markup-matcher "\\?\\?") 1 'textile-citation-face prepend t)
;; code
`(,(textile-inline-markup-matcher "@") 1 'textile-code-face prepend t)
;; deletion
`(,(textile-inline-markup-matcher "-") 1 'textile-deleted-face prepend t)
;; insertion
`(,(textile-inline-markup-matcher "\\+") 1 'textile-inserted-face prepend t)
;; superscript
`(,(textile-inline-markup-matcher "\\^") 1 'textile-superscript-face prepend t)
;; subscript
`(,(textile-inline-markup-matcher "~") 1 'textile-subscript-face prepend t)
;; span
`(,(textile-inline-markup-matcher "%") 1 'textile-span-face prepend t)
;; image link
`(,(textile-image-matcher) 0 'textile-image-face t t)
;; ordered list bullet
`(,(textile-list-bullet-matcher "#+") 1 'textile-ol-bullet-face)
;; unordered list bullet
`(,(textile-list-bullet-matcher "\\*+") 1 'textile-ul-bullet-face)
;; style
`(,(textile-attribute-matcher "{" "}") 1 'textile-style-face t t)
;; class
`(,(textile-attribute-matcher "(" ")") 1 'textile-class-face t t)
;; lang
`(,(textile-attribute-matcher "\\[" "\\]") 1 'textile-lang-face t t)
;; alignments and indentation
`(,(textile-alignments-matcher) 1 'textile-alignments-face t t)
;; tables
`(,(textile-table-matcher) 0 'textile-table-face t t)
;; links
`(,(textile-link-matcher) 0 'textile-link-face t t)
;; <pre> blocks
'("<pre>\\(.\\|\n\\)*?</pre>" 0 'textile-pre-face t t)
;; <code> blocks
'("<code>\\(.\\|\n\\)*?</code>" 0 'textile-code-face t t))
"Keywords/Regexp for fontlocking of textile-mode")
;; (defvar textile-imenu-generic-expression
;; ...)
;; (defvar textile-outline-regexp
;; ...)
;;;###autoload
(define-derived-mode textile-mode text-mode "Textile"
"A major mode for editing textile files."
(set (make-local-variable 'font-lock-defaults) '(textile-font-lock-keywords t))
(set (make-local-variable 'font-lock-multiline) 'undecided)
(run-mode-hooks 'textile-mode-hook))
;; FACES
(defgroup textile-faces nil
"Faces used by textile-mode for syntax highlighting"
:group 'faces)
(defface textile-h1-face
'((t (:height 2.0 :weight bold)))
"Face used to highlight h1 headers."
:group 'textile-faces)
(defface textile-h2-face
'((t (:height 1.75 :weight bold)))
"Face used to highlight h2 headers."
:group 'textile-faces)
(defface textile-h3-face
'((t (:height 1.5 :weight bold)))
"Face used to highlight h3 headers."
:group 'textile-faces)
(defface textile-h4-face
'((t (:height 1.35 :weight bold)))
"Face used to highlight h4 headers."
:group 'textile-faces)
(defface textile-h5-face
'((t (:height 1.2 :weight bold)))
"Face used to highlight h5 headers."
:group 'textile-faces)
(defface textile-h6-face
'((t (:height 1.0 :weight bold)))
"Face used to highlight h6 headers."
:group 'textile-faces)
(defface textile-blockquote-face
'((t (:foreground "ivory4")))
"Face used to highlight bq blocks."
:group 'textile-faces)
(defface textile-footnote-face
'((t (:foreground "orange red")))
"Face used to highlight footnote blocks."
:group 'textile-faces)
(defface textile-footnotemark-face
'((t (:foreground "orange red")))
"Face used to highlight footnote marks."
:group 'textile-faces)
(defface textile-style-face
'((t (:foreground "sandy brown")))
"Face used to highlight style parameters."
:group 'textile-faces)
(defface textile-class-face
'((t (:foreground "yellow green")))
"Face used to highlight class and id parameters."
:group 'textile-faces)
(defface textile-lang-face
'((t (:foreground "sky blue")))
"Face used to highlight lang parameters."
:group 'textile-faces)
(defface textile-emph-face
'((t (:slant italic)))
"Face used to highlight emphasized words."
:group 'textile-faces)
(defface textile-strong-face
'((t (:weight bold)))
"Face used to highlight strong words."
:group 'textile-faces)
(defface textile-code-face
'((t (:foreground "ivory3")))
"Face used to highlight inline code."
:group 'textile-faces)
(defface textile-citation-face
'((t (:slant italic)))
"Face used to highlight citations."
:group 'textile-faces)
(defface textile-deleted-face
'((t (:strike-through t)))
"Face used to highlight deleted words."
:group 'textile-faces)
(defface textile-inserted-face
'((t (:underline t)))
"Face used to highlight inserted words."
:group 'textile-faces)
(defface textile-superscript-face
'((t (:height 1.1)))
"Face used to highlight superscript words."
:group 'textile-faces)
(defface textile-subscript-face
'((t (:height 0.8)))
"Face used to highlight subscript words."
:group 'textile-faces)
(defface textile-span-face
'((t (:foreground "pink")))
"Face used to highlight span words."
:group 'textile-faces)
(defface textile-alignments-face
'((t (:foreground "cyan")))
"Face used to highlight alignments."
:group 'textile-faces)
(defface textile-ol-bullet-face
'((t (:foreground "red")))
"Face used to highlight ordered lists bullets."
:group 'textile-faces)
(defface textile-ul-bullet-face
'((t (:foreground "blue")))
"Face used to highlight unordered list bullets."
:group 'textile-faces)
(defface textile-pre-face
'((t (:foreground "green")))
"Face used to highlight <pre> blocks."
:group 'textile-faces)
(defface textile-code-face
'((t (:foreground "yellow")))
"Face used to highlight <code> blocks."
:group 'textile-faces)
(defface textile-table-face
'((t (:foreground "red")))
"Face used to highlight tables."
:group 'textile-faces)
(defface textile-link-face
'((t (:foreground "blue")))
"Face used to highlight links."
:group 'textile-faces)
(defface textile-image-face
'((t (:foreground "pink")))
"Face used to highlight image links."
:group 'textile-faces)
(defface textile-acronym-face
'((t (:foreground "cyan")))
"Face used to highlight acronyms links."
:group 'textile-faces)
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.textile\\'" . textile-mode))
(provide 'textile-mode)
;;; textile-mode.el ends here
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