lisp/nxml/nxml-uchnm.el

   1 ;;; nxml-uchnm.el --- support for Unicode standard cha names in nxml-mode
   2
   3 ;; Copyright (C) 2003, 2007-2016 Free Software Foundation, Inc.
   4
   5 ;; Author: James Clark
   6 ;; Keywords: wp, hypermedia, languages, XML
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24
  25 ;; This enables the use of the character names defined in the Unicode
  26 ;; Standard.  The use of the names can be controlled on a per-block
  27 ;; basis, so as both to reduce memory usage and loading time,
  28 ;; and to make completion work better.
  29
  30 ;;; Code:
  31
  32 (require 'nxml-mode)
  33
  34 (defconst nxml-unicode-blocks
  35   '(("Basic Latin" #x0000 #x007F)
  36     ("Latin-1 Supplement" #x0080 #x00FF)
  37     ("Latin Extended-A" #x0100 #x017F)
  38     ("Latin Extended-B" #x0180 #x024F)
  39     ("IPA Extensions" #x0250 #x02AF)
  40     ("Spacing Modifier Letters" #x02B0 #x02FF)
  41     ("Combining Diacritical Marks" #x0300 #x036F)
  42     ("Greek and Coptic" #x0370 #x03FF)
  43     ("Cyrillic" #x0400 #x04FF)
  44     ("Cyrillic Supplementary" #x0500 #x052F)
  45     ("Armenian" #x0530 #x058F)
  46     ("Hebrew" #x0590 #x05FF)
  47     ("Arabic" #x0600 #x06FF)
  48     ("Syriac" #x0700 #x074F)
  49     ("Thaana" #x0780 #x07BF)
  50     ("Devanagari" #x0900 #x097F)
  51     ("Bengali" #x0980 #x09FF)
  52     ("Gurmukhi" #x0A00 #x0A7F)
  53     ("Gujarati" #x0A80 #x0AFF)
  54     ("Oriya" #x0B00 #x0B7F)
  55     ("Tamil" #x0B80 #x0BFF)
  56     ("Telugu" #x0C00 #x0C7F)
  57     ("Kannada" #x0C80 #x0CFF)
  58     ("Malayalam" #x0D00 #x0D7F)
  59     ("Sinhala" #x0D80 #x0DFF)
  60     ("Thai" #x0E00 #x0E7F)
  61     ("Lao" #x0E80 #x0EFF)
  62     ("Tibetan" #x0F00 #x0FFF)
  63     ("Myanmar" #x1000 #x109F)
  64     ("Georgian" #x10A0 #x10FF)
  65     ("Hangul Jamo" #x1100 #x11FF)
  66     ("Ethiopic" #x1200 #x137F)
  67     ("Cherokee" #x13A0 #x13FF)
  68     ("Unified Canadian Aboriginal Syllabics" #x1400 #x167F)
  69     ("Ogham" #x1680 #x169F)
  70     ("Runic" #x16A0 #x16FF)
  71     ("Tagalog" #x1700 #x171F)
  72     ("Hanunoo" #x1720 #x173F)
  73     ("Buhid" #x1740 #x175F)
  74     ("Tagbanwa" #x1760 #x177F)
  75     ("Khmer" #x1780 #x17FF)
  76     ("Mongolian" #x1800 #x18AF)
  77     ("Latin Extended Additional" #x1E00 #x1EFF)
  78     ("Greek Extended" #x1F00 #x1FFF)
  79     ("General Punctuation" #x2000 #x206F)
  80     ("Superscripts and Subscripts" #x2070 #x209F)
  81     ("Currency Symbols" #x20A0 #x20CF)
  82     ("Combining Diacritical Marks for Symbols" #x20D0 #x20FF)
  83     ("Letterlike Symbols" #x2100 #x214F)
  84     ("Number Forms" #x2150 #x218F)
  85     ("Arrows" #x2190 #x21FF)
  86     ("Mathematical Operators" #x2200 #x22FF)
  87     ("Miscellaneous Technical" #x2300 #x23FF)
  88     ("Control Pictures" #x2400 #x243F)
  89     ("Optical Character Recognition" #x2440 #x245F)
  90     ("Enclosed Alphanumerics" #x2460 #x24FF)
  91     ("Box Drawing" #x2500 #x257F)
  92     ("Block Elements" #x2580 #x259F)
  93     ("Geometric Shapes" #x25A0 #x25FF)
  94     ("Miscellaneous Symbols" #x2600 #x26FF)
  95     ("Dingbats" #x2700 #x27BF)
  96     ("Miscellaneous Mathematical Symbols-A" #x27C0 #x27EF)
  97     ("Supplemental Arrows-A" #x27F0 #x27FF)
  98     ("Braille Patterns" #x2800 #x28FF)
  99     ("Supplemental Arrows-B" #x2900 #x297F)
 100     ("Miscellaneous Mathematical Symbols-B" #x2980 #x29FF)
 101     ("Supplemental Mathematical Operators" #x2A00 #x2AFF)
 102     ("CJK Radicals Supplement" #x2E80 #x2EFF)
 103     ("Kangxi Radicals" #x2F00 #x2FDF)
 104     ("Ideographic Description Characters" #x2FF0 #x2FFF)
 105     ("CJK Symbols and Punctuation" #x3000 #x303F)
 106     ("Hiragana" #x3040 #x309F)
 107     ("Katakana" #x30A0 #x30FF)
 108     ("Bopomofo" #x3100 #x312F)
 109     ("Hangul Compatibility Jamo" #x3130 #x318F)
 110     ("Kanbun" #x3190 #x319F)
 111     ("Bopomofo Extended" #x31A0 #x31BF)
 112     ("Katakana Phonetic Extensions" #x31F0 #x31FF)
 113     ("Enclosed CJK Letters and Months" #x3200 #x32FF)
 114     ("CJK Compatibility" #x3300 #x33FF)
 115     ("CJK Unified Ideographs Extension A" #x3400 #x4DBF)
 116     ;;("CJK Unified Ideographs" #x4E00 #x9FFF)
 117     ("Yi Syllables" #xA000 #xA48F)
 118     ("Yi Radicals" #xA490 #xA4CF)
 119     ;;("Hangul Syllables" #xAC00 #xD7AF)
 120     ;;("High Surrogates" #xD800 #xDB7F)
 121     ;;("High Private Use Surrogates" #xDB80 #xDBFF)
 122     ;;("Low Surrogates" #xDC00 #xDFFF)
 123     ;;("Private Use Area" #xE000 #xF8FF)
 124     ;;("CJK Compatibility Ideographs" #xF900 #xFAFF)
 125     ("Alphabetic Presentation Forms" #xFB00 #xFB4F)
 126     ("Arabic Presentation Forms-A" #xFB50 #xFDFF)
 127     ("Variation Selectors" #xFE00 #xFE0F)
 128     ("Combining Half Marks" #xFE20 #xFE2F)
 129     ("CJK Compatibility Forms" #xFE30 #xFE4F)
 130     ("Small Form Variants" #xFE50 #xFE6F)
 131     ("Arabic Presentation Forms-B" #xFE70 #xFEFF)
 132     ("Halfwidth and Fullwidth Forms" #xFF00 #xFFEF)
 133     ("Specials" #xFFF0 #xFFFF)
 134     ("Old Italic" #x10300 #x1032F)
 135     ("Gothic" #x10330 #x1034F)
 136     ("Deseret" #x10400 #x1044F)
 137     ("Byzantine Musical Symbols" #x1D000 #x1D0FF)
 138     ("Musical Symbols" #x1D100 #x1D1FF)
 139     ("Mathematical Alphanumeric Symbols" #x1D400 #x1D7FF)
 140     ;;("CJK Unified Ideographs Extension B" #x20000 #x2A6DF)
 141     ;;("CJK Compatibility Ideographs Supplement" #x2F800 #x2FA1F)
 142     ("Tags" #xE0000 #xE007F)
 143     ;;("Supplementary Private Use Area-A" #xF0000 #xFFFFF)
 144     ;;("Supplementary Private Use Area-B" #x100000 #x10FFFF)
 145     )
 146   "List of Unicode blocks.
 147 For each block there is a list (NAME FIRST LAST), where
 148 NAME is a string giving the official name of the block,
 149 FIRST is the first code-point and LAST is the last code-point.
 150 Blocks containing only characters with algorithmic names or no names
 151 are omitted.")
 152
 153 (defun nxml-unicode-block-char-name-set (name)
 154   "Return a symbol for a block whose official Unicode name is NAME.
 155 The symbol is generated by downcasing and replacing each space
 156 by a hyphen."
 157   (intern (replace-regexp-in-string " " "-" (downcase name))))
 158
 159 ;; This is intended to be a superset of the coverage
 160 ;; of existing standard entity sets.
 161 (defvar nxml-enabled-unicode-blocks-default
 162   '(basic-latin
 163     latin-1-supplement
 164     latin-extended-a
 165     latin-extended-b
 166     ipa-extensions
 167     spacing-modifier-letters
 168     combining-diacritical-marks
 169     greek-and-coptic
 170     cyrillic
 171     general-punctuation
 172     superscripts-and-subscripts
 173     currency-symbols
 174     combining-diacritical-marks-for-symbols
 175     letterlike-symbols
 176     number-forms
 177     arrows
 178     mathematical-operators
 179     miscellaneous-technical
 180     control-pictures
 181     optical-character-recognition
 182     enclosed-alphanumerics
 183     box-drawing
 184     block-elements
 185     geometric-shapes
 186     miscellaneous-symbols
 187     dingbats
 188     miscellaneous-mathematical-symbols-a
 189     supplemental-arrows-a
 190     supplemental-arrows-b
 191     miscellaneous-mathematical-symbols-b
 192     supplemental-mathematical-operators
 193     cjk-symbols-and-punctuation
 194     alphabetic-presentation-forms
 195     variation-selectors
 196     small-form-variants
 197     specials
 198     mathematical-alphanumeric-symbols)
 199   "Default value for `nxml-enabled-unicode-blocks'.")
 200
 201 (mapc (lambda (block)
 202         (nxml-autoload-char-name-set
 203          (nxml-unicode-block-char-name-set (car block))
 204          (expand-file-name
 205           (format "nxml/%05X-%05X"
 206                   (nth 1 block)
 207                   (nth 2 block))
 208           data-directory)))
 209       nxml-unicode-blocks)
 210
 211 ;; Internal flag to control whether customize reloads the character tables.
 212 ;; Should be set the first time the
 213 (defvar nxml-internal-unicode-char-name-sets-enabled nil)
 214
 215 (defcustom nxml-enabled-unicode-blocks nxml-enabled-unicode-blocks-default
 216   "List of Unicode blocks for which Unicode character names are enabled.
 217 Each block is identified by a symbol derived from the name
 218 of the block by downcasing and replacing each space by a hyphen."
 219   :group 'nxml
 220   :set (lambda (sym value)
 221          (set-default 'nxml-enabled-unicode-blocks value)
 222          (when nxml-internal-unicode-char-name-sets-enabled
 223            (nxml-enable-unicode-char-name-sets)))
 224   :type (cons 'set
 225               (mapcar (lambda (block)
 226                         `(const :tag ,(format "%s (%04X-%04X)"
 227                                               (nth 0 block)
 228                                               (nth 1 block)
 229                                               (nth 2 block))
 230                                 ,(nxml-unicode-block-char-name-set
 231                                   (nth 0 block))))
 232                       nxml-unicode-blocks)))
 233
 234 ;;;###autoload
 235 (defun nxml-enable-unicode-char-name-sets ()
 236   "Enable the use of Unicode standard names for characters.
 237 The Unicode blocks for which names are enabled is controlled by
 238 the variable `nxml-enabled-unicode-blocks'."
 239   (interactive)
 240   (setq nxml-internal-unicode-char-name-sets-enabled t)
 241   (mapc (lambda (block)
 242           (nxml-disable-char-name-set
 243            (nxml-unicode-block-char-name-set (car block))))
 244         nxml-unicode-blocks)
 245   (mapc (lambda (nameset)
 246           (nxml-enable-char-name-set nameset))
 247         nxml-enabled-unicode-blocks))
 248
 249 (provide 'nxml-uchnm)
 250
 251 ;;; nxml-uchnm.el ends here