| 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725 |
1x
1x
1x
1x
1x
1x
1x
1x
17x
17x
17x
17x
17x
17x
17x
1x
10x
10x
67x
16724x
513x
513x
131078x
131078x
1x
1x
1x
6x
6x
8362x
8376x
8359x
3x
3x
3x
3x
139431x
139431x
27x
27x
27x
27x
57x
57x
57x
28x
28x
28x
27x
27x
27x
4x
14x
13x
1x
1x
1x
1x
3x
3x
3x
1x
1x
26x
26x
2x
131072x
1x
1x
1x
1x
136x
136x
272x
136x
68x
68x
136x
136x
136x
64x
64x
128x
128x
128x
1x
1x
2x
2x
2x
2x
1x
446x
2x
444x
236x
236x
300x
300x
300x
300x
236x
4x
4x
68x
68x
68x
136x
136x
136x
136x
68x
68x
68x
68x
136x
204x
204x
136x
136x
136x
136x
2x
2x
2x
164x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
6x
6x
2x
2x
2x
2x
4x
4x
4x
4x
4x
4x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
64x
64x
64x
64x
64x
64x
64x
2x
2x
2x
1x
1x
1x
1043x
1043x
2085x
1043x
1035x
2x
1x
3x
3x
3x
1x
2x
2x
2x
2x
2x
2x
8x
522x
522x
522x
8x
514x
514x
514x
514x
514x
514x
514x
513x
513x
1x
1x
1x
1x
6x
6x
1x
1x
2x
2x
2x
1x
1x
1x
1x
1x
1x
1x
1x
2x
2x
2x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
4x
9x
9x
9x
4x
5x
5x
5x
5x
5x
5x
3x
3x
3x
3x
3x
3x
12x
98x
98x
98x
10x
88x
21x
3x
18x
3x
21x
67x
42x
2x
1x
1x
1x
4x
4x
1x
1x
1x
1x
8x
8x
1x
1x
12x
1x
12x
1x
11x
1x
1x
1x
1x
1x
4x
1x
1x
8359x
8359x
1x
8x
3x
5x
5x
1x
4x
4x
2x
2x
2x
2x
2x
1x
19x
19x
19x
19x
7x
12x
12x
12x
12x
12x
12x
1x
1x
1x | /* Copyright 2017 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.CMapFactory = exports.IdentityCMap = exports.CMap = undefined;
var _util = require('../shared/util');
var _primitives = require('./primitives');
var _parser = require('./parser');
var _stream = require('./stream');
var BUILT_IN_CMAPS = ['Adobe-GB1-UCS2', 'Adobe-CNS1-UCS2', 'Adobe-Japan1-UCS2', 'Adobe-Korea1-UCS2', '78-EUC-H', '78-EUC-V', '78-H', '78-RKSJ-H', '78-RKSJ-V', '78-V', '78ms-RKSJ-H', '78ms-RKSJ-V', '83pv-RKSJ-H', '90ms-RKSJ-H', '90ms-RKSJ-V', '90msp-RKSJ-H', '90msp-RKSJ-V', '90pv-RKSJ-H', '90pv-RKSJ-V', 'Add-H', 'Add-RKSJ-H', 'Add-RKSJ-V', 'Add-V', 'Adobe-CNS1-0', 'Adobe-CNS1-1', 'Adobe-CNS1-2', 'Adobe-CNS1-3', 'Adobe-CNS1-4', 'Adobe-CNS1-5', 'Adobe-CNS1-6', 'Adobe-GB1-0', 'Adobe-GB1-1', 'Adobe-GB1-2', 'Adobe-GB1-3', 'Adobe-GB1-4', 'Adobe-GB1-5', 'Adobe-Japan1-0', 'Adobe-Japan1-1', 'Adobe-Japan1-2', 'Adobe-Japan1-3', 'Adobe-Japan1-4', 'Adobe-Japan1-5', 'Adobe-Japan1-6', 'Adobe-Korea1-0', 'Adobe-Korea1-1', 'Adobe-Korea1-2', 'B5-H', 'B5-V', 'B5pc-H', 'B5pc-V', 'CNS-EUC-H', 'CNS-EUC-V', 'CNS1-H', 'CNS1-V', 'CNS2-H', 'CNS2-V', 'ETHK-B5-H', 'ETHK-B5-V', 'ETen-B5-H', 'ETen-B5-V', 'ETenms-B5-H', 'ETenms-B5-V', 'EUC-H', 'EUC-V', 'Ext-H', 'Ext-RKSJ-H', 'Ext-RKSJ-V', 'Ext-V', 'GB-EUC-H', 'GB-EUC-V', 'GB-H', 'GB-V', 'GBK-EUC-H', 'GBK-EUC-V', 'GBK2K-H', 'GBK2K-V', 'GBKp-EUC-H', 'GBKp-EUC-V', 'GBT-EUC-H', 'GBT-EUC-V', 'GBT-H', 'GBT-V', 'GBTpc-EUC-H', 'GBTpc-EUC-V', 'GBpc-EUC-H', 'GBpc-EUC-V', 'H', 'HKdla-B5-H', 'HKdla-B5-V', 'HKdlb-B5-H', 'HKdlb-B5-V', 'HKgccs-B5-H', 'HKgccs-B5-V', 'HKm314-B5-H', 'HKm314-B5-V', 'HKm471-B5-H', 'HKm471-B5-V', 'HKscs-B5-H', 'HKscs-B5-V', 'Hankaku', 'Hiragana', 'KSC-EUC-H', 'KSC-EUC-V', 'KSC-H', 'KSC-Johab-H', 'KSC-Johab-V', 'KSC-V', 'KSCms-UHC-H', 'KSCms-UHC-HW-H', 'KSCms-UHC-HW-V', 'KSCms-UHC-V', 'KSCpc-EUC-H', 'KSCpc-EUC-V', 'Katakana', 'NWP-H', 'NWP-V', 'RKSJ-H', 'RKSJ-V', 'Roman', 'UniCNS-UCS2-H', 'UniCNS-UCS2-V', 'UniCNS-UTF16-H', 'UniCNS-UTF16-V', 'UniCNS-UTF32-H', 'UniCNS-UTF32-V', 'UniCNS-UTF8-H', 'UniCNS-UTF8-V', 'UniGB-UCS2-H', 'UniGB-UCS2-V', 'UniGB-UTF16-H', 'UniGB-UTF16-V', 'UniGB-UTF32-H', 'UniGB-UTF32-V', 'UniGB-UTF8-H', 'UniGB-UTF8-V', 'UniJIS-UCS2-H', 'UniJIS-UCS2-HW-H', 'UniJIS-UCS2-HW-V', 'UniJIS-UCS2-V', 'UniJIS-UTF16-H', 'UniJIS-UTF16-V', 'UniJIS-UTF32-H', 'UniJIS-UTF32-V', 'UniJIS-UTF8-H', 'UniJIS-UTF8-V', 'UniJIS2004-UTF16-H', 'UniJIS2004-UTF16-V', 'UniJIS2004-UTF32-H', 'UniJIS2004-UTF32-V', 'UniJIS2004-UTF8-H', 'UniJIS2004-UTF8-V', 'UniJISPro-UCS2-HW-V', 'UniJISPro-UCS2-V', 'UniJISPro-UTF8-V', 'UniJISX0213-UTF32-H', 'UniJISX0213-UTF32-V', 'UniJISX02132004-UTF32-H', 'UniJISX02132004-UTF32-V', 'UniKS-UCS2-H', 'UniKS-UCS2-V', 'UniKS-UTF16-H', 'UniKS-UTF16-V', 'UniKS-UTF32-H', 'UniKS-UTF32-V', 'UniKS-UTF8-H', 'UniKS-UTF8-V', 'V', 'WP-Symbol'];
var CMap = function CMapClosure() {
function CMap(builtInCMap) {
this.codespaceRanges = [[], [], [], []];
this.numCodespaceRanges = 0;
this._map = [];
this.name = '';
this.vertical = false;
this.useCMap = null;
this.builtInCMap = builtInCMap;
}
CMap.prototype = {
addCodespaceRange: function addCodespaceRange(n, low, high) {
this.codespaceRanges[n - 1].push(low, high);
this.numCodespaceRanges++;
},
mapCidRange: function mapCidRange(low, high, dstLow) {
while (low <= high) {
this._map[low++] = dstLow++;
}
},
mapBfRange: function mapBfRange(low, high, dstLow) {
var lastByte = dstLow.length - 1;
while (low <= high) {
this._map[low++] = dstLow;
dstLow = dstLow.substr(0, lastByte) + String.fromCharCode(dstLow.charCodeAt(lastByte) + 1);
}
},
mapBfRangeToArray: function mapBfRangeToArray(low, high, array) {
var i = 0,
ii = array.length;
while (low <= high && i < ii) {
this._map[low] = array[i++];
++low;
}
},
mapOne: function mapOne(src, dst) {
this._map[src] = dst;
},
lookup: function lookup(code) {
return this._map[code];
},
contains: function contains(code) {
return this._map[code] !== undefined;
},
forEach: function forEach(callback) {
var map = this._map;
var length = map.length;
Eif (length <= 0x10000) {
for (var i = 0; i < length; i++) {
Eif (map[i] !== undefined) {
callback(i, map[i]);
}
}
} else {
for (var _i in map) {
callback(_i, map[_i]);
}
}
},
charCodeOf: function charCodeOf(value) {
var map = this._map;
if (map.length <= 0x10000) {
return map.indexOf(value);
}
for (var charCode in map) {
if (map[charCode] === value) {
return charCode | 0;
}
}
return -1;
},
getMap: function getMap() {
return this._map;
},
readCharCode: function readCharCode(str, offset, out) {
var c = 0;
var codespaceRanges = this.codespaceRanges;
var codespaceRangesLen = this.codespaceRanges.length;
for (var n = 0; n < codespaceRangesLen; n++) {
c = (c << 8 | str.charCodeAt(offset + n)) >>> 0;
var codespaceRange = codespaceRanges[n];
for (var k = 0, kk = codespaceRange.length; k < kk;) {
var low = codespaceRange[k++];
var high = codespaceRange[k++];
if (c >= low && c <= high) {
out.charcode = c;
out.length = n + 1;
return;
}
}
}
out.charcode = 0;
out.length = 1;
},
get length() {
return this._map.length;
},
get isIdentityCMap() {
if (!(this.name === 'Identity-H' || this.name === 'Identity-V')) {
return false;
}
Eif (this._map.length !== 0x10000) {
return false;
}
for (var i = 0; i < 0x10000; i++) {
if (this._map[i] !== i) {
return false;
}
}
return true;
}
};
return CMap;
}();
var IdentityCMap = function IdentityCMapClosure() {
function IdentityCMap(vertical, n) {
CMap.call(this);
this.vertical = vertical;
this.addCodespaceRange(n, 0, 0xffff);
}
_util.Util.inherit(IdentityCMap, CMap, {});
IdentityCMap.prototype = {
addCodespaceRange: CMap.prototype.addCodespaceRange,
mapCidRange: function mapCidRange(low, high, dstLow) {
throw new Error('should not call mapCidRange');
},
mapBfRange: function mapBfRange(low, high, dstLow) {
throw new Error('should not call mapBfRange');
},
mapBfRangeToArray: function mapBfRangeToArray(low, high, array) {
throw new Error('should not call mapBfRangeToArray');
},
mapOne: function mapOne(src, dst) {
throw new Error('should not call mapCidOne');
},
lookup: function lookup(code) {
return Number.isInteger(code) && code <= 0xffff ? code : undefined;
},
contains: function contains(code) {
return Number.isInteger(code) && code <= 0xffff;
},
forEach: function forEach(callback) {
for (var i = 0; i <= 0xffff; i++) {
callback(i, i);
}
},
charCodeOf: function charCodeOf(value) {
return Number.isInteger(value) && value <= 0xffff ? value : -1;
},
getMap: function getMap() {
var map = new Array(0x10000);
for (var i = 0; i <= 0xffff; i++) {
map[i] = i;
}
return map;
},
readCharCode: CMap.prototype.readCharCode,
get length() {
return 0x10000;
},
get isIdentityCMap() {
throw new Error('should not access .isIdentityCMap');
}
};
return IdentityCMap;
}();
var BinaryCMapReader = function BinaryCMapReaderClosure() {
function hexToInt(a, size) {
var n = 0;
for (var i = 0; i <= size; i++) {
n = n << 8 | a[i];
}
return n >>> 0;
}
function hexToStr(a, size) {
if (size === 1) {
return String.fromCharCode(a[0], a[1]);
}
if (size === 3) {
return String.fromCharCode(a[0], a[1], a[2], a[3]);
}
return String.fromCharCode.apply(null, a.subarray(0, size + 1));
}
function addHex(a, b, size) {
var c = 0;
for (var i = size; i >= 0; i--) {
c += a[i] + b[i];
a[i] = c & 255;
c >>= 8;
}
}
function incHex(a, size) {
var c = 1;
for (var i = size; i >= 0 && c > 0; i--) {
c += a[i];
a[i] = c & 255;
c >>= 8;
}
}
var MAX_NUM_SIZE = 16;
var MAX_ENCODED_NUM_SIZE = 19;
function BinaryCMapStream(data) {
this.buffer = data;
this.pos = 0;
this.end = data.length;
this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE);
}
BinaryCMapStream.prototype = {
readByte: function readByte() {
if (this.pos >= this.end) {
return -1;
}
return this.buffer[this.pos++];
},
readNumber: function readNumber() {
var n = 0;
var last;
do {
var b = this.readByte();
Iif (b < 0) {
throw new _util.FormatError('unexpected EOF in bcmap');
}
last = !(b & 0x80);
n = n << 7 | b & 0x7F;
} while (!last);
return n;
},
readSigned: function readSigned() {
var n = this.readNumber();
return n & 1 ? ~(n >>> 1) : n >>> 1;
},
readHex: function readHex(num, size) {
num.set(this.buffer.subarray(this.pos, this.pos + size + 1));
this.pos += size + 1;
},
readHexNumber: function readHexNumber(num, size) {
var last;
var stack = this.tmpBuf,
sp = 0;
do {
var b = this.readByte();
Iif (b < 0) {
throw new _util.FormatError('unexpected EOF in bcmap');
}
last = !(b & 0x80);
stack[sp++] = b & 0x7F;
} while (!last);
var i = size,
buffer = 0,
bufferSize = 0;
while (i >= 0) {
while (bufferSize < 8 && stack.length > 0) {
buffer = stack[--sp] << bufferSize | buffer;
bufferSize += 7;
}
num[i] = buffer & 255;
i--;
buffer >>= 8;
bufferSize -= 8;
}
},
readHexSigned: function readHexSigned(num, size) {
this.readHexNumber(num, size);
var sign = num[size] & 1 ? 255 : 0;
var c = 0;
for (var i = 0; i <= size; i++) {
c = (c & 1) << 8 | num[i];
num[i] = c >> 1 ^ sign;
}
},
readString: function readString() {
var len = this.readNumber();
var s = '';
for (var i = 0; i < len; i++) {
s += String.fromCharCode(this.readNumber());
}
return s;
}
};
function processBinaryCMap(data, cMap, extend) {
return new Promise(function (resolve, reject) {
var stream = new BinaryCMapStream(data);
var header = stream.readByte();
cMap.vertical = !!(header & 1);
var useCMap = null;
var start = new Uint8Array(MAX_NUM_SIZE);
var end = new Uint8Array(MAX_NUM_SIZE);
var char = new Uint8Array(MAX_NUM_SIZE);
var charCode = new Uint8Array(MAX_NUM_SIZE);
var tmp = new Uint8Array(MAX_NUM_SIZE);
var code;
var b;
while ((b = stream.readByte()) >= 0) {
var type = b >> 5;
if (type === 7) {
switch (b & 0x1F) {
case 0:
stream.readString();
break;
case 1:
useCMap = stream.readString();
break;
}
continue;
}
var sequence = !!(b & 0x10);
var dataSize = b & 15;
Iif (dataSize + 1 > MAX_NUM_SIZE) {
throw new Error('processBinaryCMap: Invalid dataSize.');
}
var ucs2DataSize = 1;
var subitemsCount = stream.readNumber();
var i;
switch (type) {
case 0:
stream.readHex(start, dataSize);
stream.readHexNumber(end, dataSize);
addHex(end, start, dataSize);
cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
for (i = 1; i < subitemsCount; i++) {
incHex(end, dataSize);
stream.readHexNumber(start, dataSize);
addHex(start, end, dataSize);
stream.readHexNumber(end, dataSize);
addHex(end, start, dataSize);
cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize));
}
break;
case 1:
stream.readHex(start, dataSize);
stream.readHexNumber(end, dataSize);
addHex(end, start, dataSize);
stream.readNumber();
for (i = 1; i < subitemsCount; i++) {
incHex(end, dataSize);
stream.readHexNumber(start, dataSize);
addHex(start, end, dataSize);
stream.readHexNumber(end, dataSize);
addHex(end, start, dataSize);
stream.readNumber();
}
break;
case 2:
stream.readHex(char, dataSize);
code = stream.readNumber();
cMap.mapOne(hexToInt(char, dataSize), code);
for (i = 1; i < subitemsCount; i++) {
incHex(char, dataSize);
if (!sequence) {
stream.readHexNumber(tmp, dataSize);
addHex(char, tmp, dataSize);
}
code = stream.readSigned() + (code + 1);
cMap.mapOne(hexToInt(char, dataSize), code);
}
break;
case 3:
stream.readHex(start, dataSize);
stream.readHexNumber(end, dataSize);
addHex(end, start, dataSize);
code = stream.readNumber();
cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
for (i = 1; i < subitemsCount; i++) {
incHex(end, dataSize);
Iif (!sequence) {
stream.readHexNumber(start, dataSize);
addHex(start, end, dataSize);
} else {
start.set(end);
}
stream.readHexNumber(end, dataSize);
addHex(end, start, dataSize);
code = stream.readNumber();
cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code);
}
break;
case 4:
stream.readHex(char, ucs2DataSize);
stream.readHex(charCode, dataSize);
cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize));
for (i = 1; i < subitemsCount; i++) {
incHex(char, ucs2DataSize);
if (!sequence) {
stream.readHexNumber(tmp, ucs2DataSize);
addHex(char, tmp, ucs2DataSize);
}
incHex(charCode, dataSize);
stream.readHexSigned(tmp, dataSize);
addHex(charCode, tmp, dataSize);
cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize));
}
break;
case 5:
stream.readHex(start, ucs2DataSize);
stream.readHexNumber(end, ucs2DataSize);
addHex(end, start, ucs2DataSize);
stream.readHex(charCode, dataSize);
cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
for (i = 1; i < subitemsCount; i++) {
incHex(end, ucs2DataSize);
if (!sequence) {
stream.readHexNumber(start, ucs2DataSize);
addHex(start, end, ucs2DataSize);
} else {
start.set(end);
}
stream.readHexNumber(end, ucs2DataSize);
addHex(end, start, ucs2DataSize);
stream.readHex(charCode, dataSize);
cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize));
}
break;
default:
reject(new Error('processBinaryCMap: Unknown type: ' + type));
return;
}
}
Iif (useCMap) {
resolve(extend(useCMap));
return;
}
resolve(cMap);
});
}
function BinaryCMapReader() {}
BinaryCMapReader.prototype = { process: processBinaryCMap };
return BinaryCMapReader;
}();
var CMapFactory = function CMapFactoryClosure() {
function strToInt(str) {
var a = 0;
for (var i = 0; i < str.length; i++) {
a = a << 8 | str.charCodeAt(i);
}
return a >>> 0;
}
function expectString(obj) {
Iif (!(0, _util.isString)(obj)) {
throw new _util.FormatError('Malformed CMap: expected string.');
}
}
function expectInt(obj) {
Iif (!Number.isInteger(obj)) {
throw new _util.FormatError('Malformed CMap: expected int.');
}
}
function parseBfChar(cMap, lexer) {
while (true) {
var obj = lexer.getObj();
Iif ((0, _primitives.isEOF)(obj)) {
break;
}
if ((0, _primitives.isCmd)(obj, 'endbfchar')) {
return;
}
expectString(obj);
var src = strToInt(obj);
obj = lexer.getObj();
expectString(obj);
var dst = obj;
cMap.mapOne(src, dst);
}
}
function parseBfRange(cMap, lexer) {
while (true) {
var obj = lexer.getObj();
Iif ((0, _primitives.isEOF)(obj)) {
break;
}
if ((0, _primitives.isCmd)(obj, 'endbfrange')) {
return;
}
expectString(obj);
var low = strToInt(obj);
obj = lexer.getObj();
expectString(obj);
var high = strToInt(obj);
obj = lexer.getObj();
if (Number.isInteger(obj) || (0, _util.isString)(obj)) {
var dstLow = Number.isInteger(obj) ? String.fromCharCode(obj) : obj;
cMap.mapBfRange(low, high, dstLow);
} else Eif ((0, _primitives.isCmd)(obj, '[')) {
obj = lexer.getObj();
var array = [];
while (!(0, _primitives.isCmd)(obj, ']') && !(0, _primitives.isEOF)(obj)) {
array.push(obj);
obj = lexer.getObj();
}
cMap.mapBfRangeToArray(low, high, array);
} else {
break;
}
}
throw new _util.FormatError('Invalid bf range.');
}
function parseCidChar(cMap, lexer) {
while (true) {
var obj = lexer.getObj();
Iif ((0, _primitives.isEOF)(obj)) {
break;
}
if ((0, _primitives.isCmd)(obj, 'endcidchar')) {
return;
}
expectString(obj);
var src = strToInt(obj);
obj = lexer.getObj();
expectInt(obj);
var dst = obj;
cMap.mapOne(src, dst);
}
}
function parseCidRange(cMap, lexer) {
while (true) {
var obj = lexer.getObj();
Iif ((0, _primitives.isEOF)(obj)) {
break;
}
if ((0, _primitives.isCmd)(obj, 'endcidrange')) {
return;
}
expectString(obj);
var low = strToInt(obj);
obj = lexer.getObj();
expectString(obj);
var high = strToInt(obj);
obj = lexer.getObj();
expectInt(obj);
var dstLow = obj;
cMap.mapCidRange(low, high, dstLow);
}
}
function parseCodespaceRange(cMap, lexer) {
while (true) {
var obj = lexer.getObj();
Iif ((0, _primitives.isEOF)(obj)) {
break;
}
if ((0, _primitives.isCmd)(obj, 'endcodespacerange')) {
return;
}
Iif (!(0, _util.isString)(obj)) {
break;
}
var low = strToInt(obj);
obj = lexer.getObj();
Iif (!(0, _util.isString)(obj)) {
break;
}
var high = strToInt(obj);
cMap.addCodespaceRange(obj.length, low, high);
}
throw new _util.FormatError('Invalid codespace range.');
}
function parseWMode(cMap, lexer) {
var obj = lexer.getObj();
Eif (Number.isInteger(obj)) {
cMap.vertical = !!obj;
}
}
function parseCMapName(cMap, lexer) {
var obj = lexer.getObj();
Eif ((0, _primitives.isName)(obj) && (0, _util.isString)(obj.name)) {
cMap.name = obj.name;
}
}
function parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap) {
var previous;
var embededUseCMap;
objLoop: while (true) {
try {
var obj = lexer.getObj();
if ((0, _primitives.isEOF)(obj)) {
break;
} else if ((0, _primitives.isName)(obj)) {
if (obj.name === 'WMode') {
parseWMode(cMap, lexer);
} else if (obj.name === 'CMapName') {
parseCMapName(cMap, lexer);
}
previous = obj;
} else if ((0, _primitives.isCmd)(obj)) {
switch (obj.cmd) {
case 'endcmap':
break objLoop;
case 'usecmap':
Eif ((0, _primitives.isName)(previous)) {
embededUseCMap = previous.name;
}
break;
case 'begincodespacerange':
parseCodespaceRange(cMap, lexer);
break;
case 'beginbfchar':
parseBfChar(cMap, lexer);
break;
case 'begincidchar':
parseCidChar(cMap, lexer);
break;
case 'beginbfrange':
parseBfRange(cMap, lexer);
break;
case 'begincidrange':
parseCidRange(cMap, lexer);
break;
}
}
} catch (ex) {
if (ex instanceof _util.MissingDataException) {
throw ex;
}
(0, _util.warn)('Invalid cMap data: ' + ex);
continue;
}
}
if (!useCMap && embededUseCMap) {
useCMap = embededUseCMap;
}
if (useCMap) {
return extendCMap(cMap, fetchBuiltInCMap, useCMap);
}
return Promise.resolve(cMap);
}
function extendCMap(cMap, fetchBuiltInCMap, useCMap) {
return createBuiltInCMap(useCMap, fetchBuiltInCMap).then(function (newCMap) {
cMap.useCMap = newCMap;
Eif (cMap.numCodespaceRanges === 0) {
var useCodespaceRanges = cMap.useCMap.codespaceRanges;
for (var i = 0; i < useCodespaceRanges.length; i++) {
cMap.codespaceRanges[i] = useCodespaceRanges[i].slice();
}
cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges;
}
cMap.useCMap.forEach(function (key, value) {
Eif (!cMap.contains(key)) {
cMap.mapOne(key, cMap.useCMap.lookup(key));
}
});
return cMap;
});
}
function createBuiltInCMap(name, fetchBuiltInCMap) {
if (name === 'Identity-H') {
return Promise.resolve(new IdentityCMap(false, 2));
} else Iif (name === 'Identity-V') {
return Promise.resolve(new IdentityCMap(true, 2));
}
if (BUILT_IN_CMAPS.indexOf(name) === -1) {
return Promise.reject(new Error('Unknown CMap name: ' + name));
}
Iif (!fetchBuiltInCMap) {
return Promise.reject(new Error('Built-in CMap parameters are not provided.'));
}
return fetchBuiltInCMap(name).then(function (data) {
var cMapData = data.cMapData,
compressionType = data.compressionType;
var cMap = new CMap(true);
Eif (compressionType === _util.CMapCompressionType.BINARY) {
return new BinaryCMapReader().process(cMapData, cMap, function (useCMap) {
return extendCMap(cMap, fetchBuiltInCMap, useCMap);
});
}
if (compressionType === _util.CMapCompressionType.NONE) {
var lexer = new _parser.Lexer(new _stream.Stream(cMapData));
return parseCMap(cMap, lexer, fetchBuiltInCMap, null);
}
return Promise.reject(new Error('TODO: Only BINARY/NONE CMap compression is currently supported.'));
});
}
return {
create: function create(params) {
var encoding = params.encoding;
var fetchBuiltInCMap = params.fetchBuiltInCMap;
var useCMap = params.useCMap;
if ((0, _primitives.isName)(encoding)) {
return createBuiltInCMap(encoding.name, fetchBuiltInCMap);
} else Eif ((0, _primitives.isStream)(encoding)) {
var cMap = new CMap();
var lexer = new _parser.Lexer(encoding);
return parseCMap(cMap, lexer, fetchBuiltInCMap, useCMap).then(function (parsedCMap) {
Iif (parsedCMap.isIdentityCMap) {
return createBuiltInCMap(parsedCMap.name, fetchBuiltInCMap);
}
return parsedCMap;
});
}
return Promise.reject(new Error('Encoding required.'));
}
};
}();
exports.CMap = CMap;
exports.IdentityCMap = IdentityCMap;
exports.CMapFactory = CMapFactory; |