1if not modules then modules = { } end modules ['char-bri'] = {
2 version = 1.001,
3 comment = "companion to char-ini.mkiv",
4 author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
5 copyright = "PRAGMA ADE / ConTeXt Development Team",
6 license = "see context related readme files"
7}
8
9
10
11
12
13
14
15
16
17
18local next = next
19local gsub = string.gsub
20local utfbyte, utfsplit = utf.byte, string.utfvaluetable
21local sortedkeys = table.sortedkeys
22
23local braille = { }
24characters.braille = braille
25
26local codepoints = {
27 digits = {
28 [48] = "⠚",
29 [49] = "⠁",
30 [50] = "⠃",
31 [51] = "⠉",
32 [52] = "⠙",
33 [53] = "⠑",
34 [54] = "⠋",
35 [55] = "⠛",
36 [56] = "⠓",
37 [57] = "⠊",
38 },
39 letters = {
40 [97] = "⠁",
41 [98] = "⠃",
42 [99] = "⠉",
43 [100] = "⠙",
44 [101] = "⠑",
45 [102] = "⠋",
46 [103] = "⠛",
47 [104] = "⠓",
48 [105] = "⠊",
49 [106] = "⠚",
50 [107] = "⠅",
51 [108] = "⠇",
52 [109] = "⠍",
53 [110] = "⠝",
54 [111] = "⠕",
55 [112] = "⠏",
56 [113] = "⠟",
57 [114] = "⠗",
58 [115] = "⠎",
59 [116] = "⠞",
60 [117] = "⠥",
61 [118] = "⠧",
62 [119] = "⠺",
63 [120] = "⠭",
64 [121] = "⠽",
65 [122] = "⠵",
66 },
67 punctuation = {
68 [33] = "⠖",
69 [34] = "⠸⠡",
70 [40] = "⠐⠣",
71 [41] = "⠐⠜",
72 [44] = "⠂",
73 [45] = "⠤",
74 [46] = "⠲",
75 [47] = "⠸⠌",
76 [58] = "⠒",
77 [59] = "⠆",
78 [63] = "⠦",
79 [8211] = "⠠⠤",
80 [8212] = "⠐⠠⠤",
81 [8216] = "⠄⠦",
82 [8217] = "⠄⠴",
83 [8220] = "⠘⠦",
84 [8221] = "⠘⠴",
85 },
86 ueb = {
87 [33] = "⠖",
88 [34] = "⠠⠶",
89 [35] = "⠸⠹",
90 [36] = "⠈⠎",
91 [37] = "⠨⠴",
92 [38] = "⠈⠯",
93 [39] = "⠄",
94 [40] = "⠐⠣",
95 [41] = "⠐⠜",
96 [42] = "⠐⠔",
97 [43] = "⠐⠖",
98 [44] = "⠂",
99 [45] = "⠤",
100 [46] = "⠼⠲",
101 [47] = "⠸⠌",
102 [58] = "⠒",
103 [59] = "⠆",
104 [60] = "⠈⠣",
105 [61] = "⠐⠶",
106 [62] = "⠈⠜",
107 [63] = "⠦",
108 [64] = "⠈⠁",
109 [91] = "⠨⠣",
110 [92] = "⠸⠡",
111 [93] = "⠨⠜",
112 [94] = "⠈⠢",
113 [95] = "⠨⠤",
114 [123] = "⠸⠣",
115 [124] = "⠸⠳",
116 [125] = "⠸⠜",
117 [126] = "⠈⠔",
118 [162] = "⠈⠉",
119 [163] = "⠈⠇",
120 [167] = "⠘⠎",
121 [169] = "⠘⠉",
122 [172] = "⠈⠹",
123 [174] = "⠘⠗",
124 [176] = "⠘⠚",
125 [177] = "⠸⠖",
126 [182] = "⠘⠏",
127 [215] = "⠐⠦",
128 [247] = "⠐⠌",
129 [913] = "⠠⠨⠁",
130 [914] = "⠠⠨⠃",
131 [915] = "⠠⠨⠛",
132 [916] = "⠠⠨⠙",
133 [917] = "⠠⠨⠑",
134 [918] = "⠠⠨⠵",
135 [919] = "⠠⠨⠱",
136 [920] = "⠠⠨⠹",
137 [921] = "⠠⠨⠊",
138 [922] = "⠠⠨⠅",
139 [923] = "⠠⠨⠇",
140 [924] = "⠠⠨⠍",
141 [925] = "⠠⠨⠝",
142 [926] = "⠠⠨⠭",
143 [927] = "⠠⠨⠕",
144 [928] = "⠠⠨⠏",
145 [929] = "⠠⠨⠗",
146 [931] = "⠠⠨⠎",
147 [932] = "⠠⠨⠞",
148 [933] = "⠠⠨⠥",
149 [934] = "⠠⠨⠋",
150 [935] = "⠠⠨⠯",
151 [936] = "⠠⠨⠽",
152 [937] = "⠠⠨⠺",
153 [945] = "⠨⠁",
154 [946] = "⠨⠃",
155 [947] = "⠨⠛",
156 [948] = "⠨⠙",
157 [949] = "⠨⠑",
158 [950] = "⠨⠵",
159 [951] = "⠨⠱",
160 [952] = "⠨⠹",
161 [953] = "⠨⠊",
162 [954] = "⠨⠅",
163 [955] = "⠨⠇",
164 [956] = "⠨⠍",
165 [957] = "⠨⠝",
166 [958] = "⠨⠭",
167 [959] = "⠨⠕",
168 [960] = "⠨⠏",
169 [961] = "⠨⠗",
170 [962] = "⠨⠎",
171 [963] = "⠨⠎",
172 [964] = "⠨⠞",
173 [965] = "⠨⠥",
174 [966] = "⠨⠋",
175 [967] = "⠨⠯",
176 [968] = "⠨⠽",
177 [969] = "⠨⠺",
178 [8212] = "⠠⠤",
179 [8213] = "⠐⠠⠤",
180 [8216] = "⠠⠦",
181 [8217] = "⠠⠴",
182 [8220] = "⠘⠦",
183 [8221] = "⠘⠴",
184 [8224] = "⠈⠠⠹",
185 [8225] = "⠈⠠⠻",
186 [8226] = "⠸⠲",
187 [8242] = "⠶",
188 [8243] = "⠶⠶",
189 [8592] = "⠳⠪",
190 [8593] = "⠳⠬",
191 [8594] = "⠳⠕",
192 [8595] = "⠳⠩",
193 [8596] = "⠰⠳⠺⠗⠕",
194 [8598] = "⠳⠱",
195 [8599] = "⠳⠎",
196 [8600] = "⠳⠣",
197 [8601] = "⠳⠜",
198 [8656] = "⠰⠳⠶⠶⠪",
199 [8657] = "⠰⠳⠶⠶⠬",
200 [8658] = "⠰⠳⠶⠶⠕",
201 [8659] = "⠰⠳⠶⠶⠩",
202 [8704] = "⠘⠁",
203 [8706] = "⠈⠙",
204 [8707] = "⠘⠢",
205 [8709] = "⠈⠚",
206 [8711] = "⠘⠙",
207 [8712] = "⠘⠑",
208 [8715] = "⠈⠘⠑",
209 [8722] = "⠐⠤",
210 [8723] = "⠸⠤",
211 [8728] = "⠐⠴",
212 [8730] = "⠐⠩",
213 [8733] = "⠸⠐⠶",
214 [8734] = "⠼⠿",
215 [8736] = "⠸⠪",
216 [8737] = "⠨⠸⠪",
217 [8741] = "⠼⠇",
218 [8743] = "⠈⠦",
219 [8744] = "⠈⠖",
220 [8745] = "⠨⠦",
221 [8746] = "⠨⠖",
222 [8747] = "⠮",
223 [8748] = "⠮⠮",
224 [8749] = "⠮⠮⠮",
225 [8750] = "⠈⠮",
226 [8756] = "⠠⠡",
227 [8757] = "⠈⠌",
228 [8758] = "⠒",
229 [8759] = "⠒⠒",
230 [8771] = "⠸⠔",
231 [8773] = "⠐⠸⠔",
232 [8776] = "⠘⠔",
233 [8783] = "⠘⠐⠶",
234 [8785] = "⠨⠐⠶",
235 [8800] = "⠐⠶⠈⠱",
236 [8801] = "⠸⠿",
237 [8804] = "⠸⠈⠣",
238 [8805] = "⠸⠈⠜",
239 [8810] = "⠨⠈⠣",
240 [8811] = "⠨⠈⠜",
241 [8834] = "⠘⠣",
242 [8835] = "⠘⠜",
243 [8838] = "⠸⠘⠣",
244 [8839] = "⠸⠘⠜",
245 [8842] = "⠨⠘⠣",
246 [8843] = "⠨⠘⠜",
247 [8853] = "⠰⠫⠿⠪⠐⠖⠱",
248 [8867] = "⠈⠸⠒",
249 [8869] = "⠼⠤",
250 [8870] = "⠸⠒",
251 [8872] = "⠘⠸⠒",
252 [8882] = "⠈⠸⠣",
253 [8883] = "⠈⠸⠜",
254 [8884] = "⠸⠸⠣",
255 [8885] = "⠸⠸⠜",
256 [8894] = "⠼⠸⠪",
257 [8901] = "⠐⠲",
258 [9675] = "⠿",
259 [10764] = "⠮⠮⠮⠮",
260 },
261 specials = {
262 uppercase = "⠠",
263 space = "⠀",
264 number = "⠼",
265 rule = "⠒",
266 },
267 alphabets = {
268 ["lowercasenormal"] = "⠰",
269 ["lowercasegreeknormal"] = "⠨",
270 ["lowercasegreekitalic"] = "⠨⠨",
271 ["lowercaseitalic"] = "⠨",
272 ["lowercasebold"] = "⠸",
273 ["lowercasebolditalic"] = "⠸⠨",
274 ["lowercasefraktur"] = "⠸",
275 ["lowercaseboldfraktur"] = "⠸⠸",
276 ["lowercasescript"] = "⠈",
277 ["lowercaseboldscript"] = "⠸⠈",
278 ["lowercasesansserifnormal"] = "⠠⠨",
279 ["lowercasesansserifitalic"] = "⠠⠨⠨",
280 ["lowercasesansserifbold"] = "⠠⠨⠸",
281 ["lowercasesansserifbolditalic"] = "⠠⠨⠸⠨",
282
283 ["uppercase"] = "⠠",
284
285
286
287
288
289
290
291
292
293
294
295 },
296}
297
298braille.codepoints = codepoints
299
300local textunicodes, mathunicodes, textstrings, mathstrings, textlist, mathlist, specials
301
302local function prepare()
303
304 local charblocks = characters.blocks
305 local uccodes = characters.uccodes
306
307 local letters = codepoints.letters
308 local cspecials = codepoints.specials
309 local uppercase = cspecials.uppercase
310 local number = cspecials.number
311 local space = cspecials.space
312 local rule = cspecials.rule
313
314
315
316 local nemeth = table.load(resolvers.find_file("math-brl.lmt")).nemeth
317 codepoints.nemeth = nemeth
318
319
320
321 for k, v in next, nemeth do
322 nemeth[k] = gsub(v,space,"")
323 end
324
325 textstrings = { }
326 mathstrings = { }
327 textunicodes = { }
328 mathunicodes = { }
329
330 for k, v in next, codepoints.letters do
331 textstrings[k] = v
332 mathstrings[k] = v
333 local K = uccodes[k]
334 if K then
335 local V = uppercase .. v
336 textstrings[K] = V
337 mathstrings[K] = V
338 end
339 end
340
341 for k, v in next, codepoints.digits do
342 local d = number .. v
343 textstrings[k] = v
344 mathstrings[k] = v
345 end
346
347 for k, v in next, codepoints.punctuation do
348 textstrings[k] = v
349 mathstrings[k] = v
350 end
351
352
353 for k, v in next, codepoints.ueb do
354 textstrings[k] = v
355 mathstrings[k] = v
356 end
357
358 for k, v in next, codepoints.nemeth do
359 mathstrings[k] = v
360 if not textstrings[k] then
361 textstrings[k] = v
362 end
363 end
364
365 for k, v in next, codepoints.alphabets do
366 local block = charblocks[k]
367 if block then
368 local c = utfbyte('a')
369 for i=block.first,block.last do
370 mathstrings[i] = v..letters[c]
371 if not textstrings[i] then
372 textstrings[i] = v .. letters[c]
373 end
374 c = c + 1
375 end
376 end
377 end
378
379 for k, v in next, textstrings do
380 textunicodes[k] = utfsplit(v)
381 end
382 for k, v in next, mathstrings do
383 mathunicodes[k] = utfsplit(v)
384 end
385
386 textlist = sortedkeys(textstrings)
387 mathlist = sortedkeys(mathstrings)
388
389 specials = {
390 uppercase = utfbyte(uppercase),
391 number = utfbyte(number),
392 space = utfbyte(space),
393 rule = utfbyte(rule)
394 }
395end
396
397
398
399function braille.textlist () if not textlist then prepare() end return textlist end
400function braille.mathlist () if not mathlist then prepare() end return mathlist end
401function braille.textunicode(n) if not textunicodes then prepare() end return textunicodes[n] end
402function braille.mathunicode(n) if not mathunicodes then prepare() end return mathunicodes[n] end
403function braille.textstring (n) if not textstrings then prepare() end return textstrings [n] end
404function braille.mathstring (n) if not mathstrings then prepare() end return mathstrings [n] end
405function braille.special (n) if not specials then prepare() end return specials [n] end
406 |
