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
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
|
#include <qpdf/QPDFTokenizer.hh>
// DO NOT USE ctype -- it is locale dependent for some things, and
// it's not worth the risk of including it in case it may accidentally
// be used.
#include <qpdf/QTC.hh>
#include <qpdf/QPDFExc.hh>
#include <qpdf/QUtil.hh>
#include <qpdf/QPDFObjectHandle.hh>
#include <stdexcept>
#include <string.h>
#include <cstdlib>
static bool is_delimiter(char ch)
{
return (strchr(" \t\n\v\f\r()<>[]{}/%", ch) != 0);
}
class QPDFWordTokenFinder: public InputSource::Finder
{
public:
QPDFWordTokenFinder(PointerHolder<InputSource> is,
std::string const& str) :
is(is),
str(str)
{
}
virtual ~QPDFWordTokenFinder()
{
}
virtual bool check();
private:
PointerHolder<InputSource> is;
std::string str;
};
bool
QPDFWordTokenFinder::check()
{
// Find a word token matching the given string, preceded by a
// delimiter, and followed by a delimiter or EOF.
QPDFTokenizer tokenizer;
QPDFTokenizer::Token t = tokenizer.readToken(is, "finder", true);
qpdf_offset_t pos = is->tell();
if (! (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, str)))
{
QTC::TC("qpdf", "QPDFTokenizer finder found wrong word");
return false;
}
qpdf_offset_t token_start = is->getLastOffset();
char next;
bool next_okay = false;
if (is->read(&next, 1) == 0)
{
QTC::TC("qpdf", "QPDFTokenizer inline image at EOF");
next_okay = true;
}
else
{
next_okay = is_delimiter(next);
}
is->seek(pos, SEEK_SET);
if (! next_okay)
{
return false;
}
if (token_start == 0)
{
// Can't actually happen...we never start the search at the
// beginning of the input.
return false;
}
return true;
}
QPDFTokenizer::Members::Members() :
pound_special_in_name(true),
allow_eof(false),
include_ignorable(false)
{
reset();
}
void
QPDFTokenizer::Members::reset()
{
state = st_top;
type = tt_bad;
val = "";
raw_val = "";
error_message = "";
unread_char = false;
char_to_unread = '\0';
inline_image_bytes = 0;
string_depth = 0;
string_ignoring_newline = false;
last_char_was_bs = false;
last_char_was_cr = false;
}
QPDFTokenizer::Members::~Members()
{
}
QPDFTokenizer::Token::Token(token_type_e type, std::string const& value) :
type(type),
value(value),
raw_value(value)
{
if (type == tt_string)
{
raw_value = QPDFObjectHandle::newString(value).unparse();
}
else if (type == tt_name)
{
raw_value = QPDFObjectHandle::newName(value).unparse();
}
}
QPDFTokenizer::QPDFTokenizer() :
m(new Members())
{
}
void
QPDFTokenizer::allowPoundAnywhereInName()
{
QTC::TC("qpdf", "QPDFTokenizer allow pound anywhere in name");
this->m->pound_special_in_name = false;
}
void
QPDFTokenizer::allowEOF()
{
this->m->allow_eof = true;
}
void
QPDFTokenizer::includeIgnorable()
{
this->m->include_ignorable = true;
}
bool
QPDFTokenizer::isSpace(char ch)
{
return ((ch == '\0') || QUtil::is_space(ch));
}
bool
QPDFTokenizer::isDelimiter(char ch)
{
return is_delimiter(ch);
}
void
QPDFTokenizer::resolveLiteral()
{
if ((this->m->val.length() > 0) && (this->m->val.at(0) == '/'))
{
this->m->type = tt_name;
// Deal with # in name token. Note: '/' by itself is a
// valid name, so don't strip leading /. That way we
// don't have to deal with the empty string as a name.
std::string nval = "/";
char const* valstr = this->m->val.c_str() + 1;
for (char const* p = valstr; *p; ++p)
{
if ((*p == '#') && this->m->pound_special_in_name)
{
if (p[1] && p[2] &&
QUtil::is_hex_digit(p[1]) && QUtil::is_hex_digit(p[2]))
{
char num[3];
num[0] = p[1];
num[1] = p[2];
num[2] = '\0';
char ch = static_cast<char>(strtol(num, 0, 16));
if (ch == '\0')
{
this->m->type = tt_bad;
QTC::TC("qpdf", "QPDFTokenizer null in name");
this->m->error_message =
"null character not allowed in name token";
nval += "#00";
}
else
{
nval += ch;
}
p += 2;
}
else
{
QTC::TC("qpdf", "QPDFTokenizer bad name");
this->m->type = tt_bad;
this->m->error_message = "invalid name token";
nval += *p;
}
}
else
{
nval += *p;
}
}
this->m->val = nval;
}
else if (QUtil::is_number(this->m->val.c_str()))
{
if (this->m->val.find('.') != std::string::npos)
{
this->m->type = tt_real;
}
else
{
this->m->type = tt_integer;
}
}
else if ((this->m->val == "true") || (this->m->val == "false"))
{
this->m->type = tt_bool;
}
else if (this->m->val == "null")
{
this->m->type = tt_null;
}
else
{
// I don't really know what it is, so leave it as tt_word.
// Lots of cases ($, #, etc.) other than actual words fall
// into this category, but that's okay at least for now.
this->m->type = tt_word;
}
}
void
QPDFTokenizer::presentCharacter(char ch)
{
if (this->m->state == st_token_ready)
{
throw std::logic_error(
"INTERNAL ERROR: QPDF tokenizer presented character "
"while token is waiting");
}
char orig_ch = ch;
// State machine is implemented such that some characters may be
// handled more than once. This happens whenever you have to use
// the character that caused a state change in the new state.
bool handled = true;
if (this->m->state == st_top)
{
// Note: we specifically do not use ctype here. It is
// locale-dependent.
if (isSpace(ch))
{
if (this->m->include_ignorable)
{
this->m->state = st_in_space;
this->m->val += ch;
}
}
else if (ch == '%')
{
this->m->state = st_in_comment;
if (this->m->include_ignorable)
{
this->m->val += ch;
}
}
else if (ch == '(')
{
this->m->string_depth = 1;
this->m->string_ignoring_newline = false;
memset(this->m->bs_num_register, '\0',
sizeof(this->m->bs_num_register));
this->m->last_char_was_bs = false;
this->m->last_char_was_cr = false;
this->m->state = st_in_string;
}
else if (ch == '<')
{
this->m->state = st_lt;
}
else if (ch == '>')
{
this->m->state = st_gt;
}
else
{
this->m->val += ch;
if (ch == ')')
{
this->m->type = tt_bad;
QTC::TC("qpdf", "QPDFTokenizer bad )");
this->m->error_message = "unexpected )";
this->m->state = st_token_ready;
}
else if (ch == '[')
{
this->m->type = tt_array_open;
this->m->state = st_token_ready;
}
else if (ch == ']')
{
this->m->type = tt_array_close;
this->m->state = st_token_ready;
}
else if (ch == '{')
{
this->m->type = tt_brace_open;
this->m->state = st_token_ready;
}
else if (ch == '}')
{
this->m->type = tt_brace_close;
this->m->state = st_token_ready;
}
else
{
this->m->state = st_literal;
}
}
}
else if (this->m->state == st_in_space)
{
// We only enter this state if include_ignorable is true.
if (! isSpace(ch))
{
this->m->type = tt_space;
this->m->unread_char = true;
this->m->char_to_unread = ch;
this->m->state = st_token_ready;
}
else
{
this->m->val += ch;
}
}
else if (this->m->state == st_in_comment)
{
if ((ch == '\r') || (ch == '\n'))
{
if (this->m->include_ignorable)
{
this->m->type = tt_comment;
this->m->unread_char = true;
this->m->char_to_unread = ch;
this->m->state = st_token_ready;
}
else
{
this->m->state = st_top;
}
}
else if (this->m->include_ignorable)
{
this->m->val += ch;
}
}
else if (this->m->state == st_lt)
{
if (ch == '<')
{
this->m->val = "<<";
this->m->type = tt_dict_open;
this->m->state = st_token_ready;
}
else
{
handled = false;
this->m->state = st_in_hexstring;
}
}
else if (this->m->state == st_gt)
{
if (ch == '>')
{
this->m->val = ">>";
this->m->type = tt_dict_close;
this->m->state = st_token_ready;
}
else
{
this->m->val = ">";
this->m->type = tt_bad;
QTC::TC("qpdf", "QPDFTokenizer bad >");
this->m->error_message = "unexpected >";
this->m->unread_char = true;
this->m->char_to_unread = ch;
this->m->state = st_token_ready;
}
}
else if (this->m->state == st_in_string)
{
if (this->m->string_ignoring_newline && (ch != '\n'))
{
this->m->string_ignoring_newline = false;
}
size_t bs_num_count = strlen(this->m->bs_num_register);
bool ch_is_octal = ((ch >= '0') && (ch <= '7'));
if ((bs_num_count == 3) || ((bs_num_count > 0) && (! ch_is_octal)))
{
// We've accumulated \ddd. PDF Spec says to ignore
// high-order overflow.
this->m->val += static_cast<char>(
strtol(this->m->bs_num_register, 0, 8));
memset(this->m->bs_num_register, '\0',
sizeof(this->m->bs_num_register));
bs_num_count = 0;
}
if (this->m->string_ignoring_newline && (ch == '\n'))
{
// ignore
this->m->string_ignoring_newline = false;
}
else if (ch_is_octal &&
(this->m->last_char_was_bs || (bs_num_count > 0)))
{
this->m->bs_num_register[bs_num_count++] = ch;
}
else if (this->m->last_char_was_bs)
{
switch (ch)
{
case 'n':
this->m->val += '\n';
break;
case 'r':
this->m->val += '\r';
break;
case 't':
this->m->val += '\t';
break;
case 'b':
this->m->val += '\b';
break;
case 'f':
this->m->val += '\f';
break;
case '\n':
break;
case '\r':
this->m->string_ignoring_newline = true;
break;
default:
// PDF spec says backslash is ignored before anything else
this->m->val += ch;
break;
}
}
else if (ch == '\\')
{
// last_char_was_bs is set/cleared below as appropriate
if (bs_num_count)
{
throw std::logic_error(
"INTERNAL ERROR: QPDFTokenizer: bs_num_count != 0 "
"when ch == '\\'");
}
}
else if (ch == '(')
{
this->m->val += ch;
++this->m->string_depth;
}
else if ((ch == ')') && (--this->m->string_depth == 0))
{
this->m->type = tt_string;
this->m->state = st_token_ready;
}
else if (ch == '\r')
{
// CR by itself is converted to LF
this->m->val += '\n';
}
else if (ch == '\n')
{
// CR LF is converted to LF
if (! this->m->last_char_was_cr)
{
this->m->val += ch;
}
}
else
{
this->m->val += ch;
}
this->m->last_char_was_cr =
((! this->m->string_ignoring_newline) && (ch == '\r'));
this->m->last_char_was_bs =
((! this->m->last_char_was_bs) && (ch == '\\'));
}
else if (this->m->state == st_literal)
{
if (isDelimiter(ch))
{
// A C-locale whitespace character or delimiter terminates
// token. It is important to unread the whitespace
// character even though it is ignored since it may be the
// newline after a stream keyword. Removing it here could
// make the stream-reading code break on some files,
// though not on any files in the test suite as of this
// writing.
this->m->type = tt_word;
this->m->unread_char = true;
this->m->char_to_unread = ch;
this->m->state = st_token_ready;
}
else
{
this->m->val += ch;
}
}
else if (this->m->state == st_inline_image)
{
this->m->val += ch;
size_t len = this->m->val.length();
if (len == this->m->inline_image_bytes)
{
QTC::TC("qpdf", "QPDFTokenizer found EI by byte count");
this->m->type = tt_inline_image;
this->m->inline_image_bytes = 0;
this->m->state = st_token_ready;
}
else if ((this->m->inline_image_bytes == 0) &&
(len >= 4) &&
isDelimiter(this->m->val.at(len-4)) &&
(this->m->val.at(len-3) == 'E') &&
(this->m->val.at(len-2) == 'I') &&
isDelimiter(this->m->val.at(len-1)))
{
QTC::TC("qpdf", "QPDFTokenizer found EI the old way");
this->m->val.erase(len - 1);
this->m->type = tt_inline_image;
this->m->unread_char = true;
this->m->char_to_unread = ch;
this->m->state = st_token_ready;
}
}
else
{
handled = false;
}
if (handled)
{
// okay
}
else if (this->m->state == st_in_hexstring)
{
if (ch == '>')
{
this->m->type = tt_string;
this->m->state = st_token_ready;
if (this->m->val.length() % 2)
{
// PDF spec says odd hexstrings have implicit
// trailing 0.
this->m->val += '0';
}
char num[3];
num[2] = '\0';
std::string nval;
for (unsigned int i = 0; i < this->m->val.length(); i += 2)
{
num[0] = this->m->val.at(i);
num[1] = this->m->val.at(i+1);
char nch = static_cast<char>(strtol(num, 0, 16));
nval += nch;
}
this->m->val = nval;
}
else if (QUtil::is_hex_digit(ch))
{
this->m->val += ch;
}
else if (isSpace(ch))
{
// ignore
}
else
{
this->m->type = tt_bad;
QTC::TC("qpdf", "QPDFTokenizer bad hexstring character");
this->m->error_message = std::string("invalid character (") +
ch + ") in hexstring";
this->m->state = st_token_ready;
}
}
else
{
throw std::logic_error(
"INTERNAL ERROR: invalid state while reading token");
}
if ((this->m->state == st_token_ready) && (this->m->type == tt_word))
{
resolveLiteral();
}
if (! (betweenTokens() ||
((this->m->state == st_token_ready) && this->m->unread_char)))
{
this->m->raw_val += orig_ch;
}
}
void
QPDFTokenizer::presentEOF()
{
if (this->m->state == st_inline_image)
{
size_t len = this->m->val.length();
if ((len >= 3) &&
isDelimiter(this->m->val.at(len-3)) &&
(this->m->val.at(len-2) == 'E') &&
(this->m->val.at(len-1) == 'I'))
{
QTC::TC("qpdf", "QPDFTokenizer inline image at EOF the old way");
this->m->type = tt_inline_image;
this->m->state = st_token_ready;
}
}
if (this->m->state == st_literal)
{
QTC::TC("qpdf", "QPDFTokenizer EOF reading appendable token");
resolveLiteral();
}
else if ((this->m->include_ignorable) && (this->m->state == st_in_space))
{
this->m->type = tt_space;
}
else if ((this->m->include_ignorable) && (this->m->state == st_in_comment))
{
this->m->type = tt_comment;
}
else if (betweenTokens())
{
this->m->type = tt_eof;
}
else if (this->m->state != st_token_ready)
{
QTC::TC("qpdf", "QPDFTokenizer EOF reading token");
this->m->type = tt_bad;
this->m->error_message = "EOF while reading token";
}
this->m->state = st_token_ready;
}
void
QPDFTokenizer::expectInlineImage()
{
expectInlineImage(PointerHolder<InputSource>());
}
void
QPDFTokenizer::expectInlineImage(PointerHolder<InputSource> input)
{
if (this->m->state != st_top)
{
throw std::logic_error("QPDFTokenizer::expectInlineImage called"
" when tokenizer is in improper state");
}
findEI(input);
this->m->state = st_inline_image;
}
void
QPDFTokenizer::findEI(PointerHolder<InputSource> input)
{
if (! input.getPointer())
{
return;
}
qpdf_offset_t last_offset = input->getLastOffset();
qpdf_offset_t pos = input->tell();
// Use QPDFWordTokenFinder to find EI surrounded by delimiters.
// Then read the next several tokens or up to EOF. If we find any
// suspicious-looking or tokens, this is probably still part of
// the image data, so keep looking for EI. Stop at the first EI
// that passes. If we get to the end without finding one, return
// the last EI we found. Store the number of bytes expected in the
// inline image including the EI and use that to break out of
// inline image, falling back to the old method if needed.
bool okay = false;
bool first_try = true;
while (! okay)
{
QPDFWordTokenFinder f(input, "EI");
if (! input->findFirst("EI", input->tell(), 0, f))
{
break;
}
this->m->inline_image_bytes = input->tell() - pos - 2;
QPDFTokenizer check;
bool found_bad = false;
// Look at the next 10 tokens or up to EOF. The next inline
// image's image data would look like bad tokens, but there
// will always be at least 10 tokens between one inline
// image's EI and the next valid one's ID since width, height,
// bits per pixel, and color space are all required as well as
// a BI and ID. If we get 10 good tokens in a row or hit EOF,
// we can be pretty sure we've found the actual EI.
for (int i = 0; i < 10; ++i)
{
QPDFTokenizer::Token t =
check.readToken(input, "checker", true);
token_type_e type = t.getType();
if (type == tt_eof)
{
okay = true;
}
else if (type == tt_bad)
{
found_bad = true;
}
else if (type == tt_word)
{
// The qpdf tokenizer lumps alphabetic and otherwise
// uncategorized characters into "words". We recognize
// strings of alphabetic characters as potential valid
// operators for purposes of telling whether we're in
// valid content or not. It's not perfect, but it
// should work more reliably than what we used to do,
// which was already good enough for the vast majority
// of files.
bool found_alpha = false;
bool found_non_printable = false;
bool found_other = false;
std::string value = t.getValue();
for (std::string::iterator iter = value.begin();
iter != value.end(); ++iter)
{
char ch = *iter;
if (((ch >= 'a') && (ch <= 'z')) ||
((ch >= 'A') && (ch <= 'Z')) ||
(ch == '*'))
{
// Treat '*' as alpha since there are valid
// PDF operators that contain * along with
// alphabetic characters.
found_alpha = true;
}
else if (((ch < 32) && (! isSpace(ch))) || (ch > 127))
{
found_non_printable = true;
break;
}
else
{
found_other = true;
}
}
if (found_non_printable || (found_alpha && found_other))
{
found_bad = true;
}
}
if (okay || found_bad)
{
break;
}
}
if (! found_bad)
{
okay = true;
}
if (! okay)
{
first_try = false;
}
}
if (okay && (! first_try))
{
QTC::TC("qpdf", "QPDFTokenizer found EI after more than one try");
}
input->seek(pos, SEEK_SET);
input->setLastOffset(last_offset);
}
bool
QPDFTokenizer::getToken(Token& token, bool& unread_char, char& ch)
{
bool ready = (this->m->state == st_token_ready);
unread_char = this->m->unread_char;
ch = this->m->char_to_unread;
if (ready)
{
if (this->m->type == tt_bad)
{
this->m->val = this->m->raw_val;
}
token = Token(this->m->type, this->m->val,
this->m->raw_val, this->m->error_message);
this->m->reset();
}
return ready;
}
bool
QPDFTokenizer::betweenTokens()
{
return ((this->m->state == st_top) ||
((! this->m->include_ignorable) &&
((this->m->state == st_in_comment) ||
(this->m->state == st_in_space))));
}
QPDFTokenizer::Token
QPDFTokenizer::readToken(PointerHolder<InputSource> input,
std::string const& context,
bool allow_bad,
size_t max_len)
{
qpdf_offset_t offset = input->tell();
Token token;
bool unread_char;
char char_to_unread;
bool presented_eof = false;
while (! getToken(token, unread_char, char_to_unread))
{
char ch;
if (input->read(&ch, 1) == 0)
{
if (! presented_eof)
{
presentEOF();
presented_eof = true;
if ((this->m->type == tt_eof) && (! this->m->allow_eof))
{
// Nothing in the qpdf library calls readToken
// without allowEOF anymore, so this case is not
// exercised.
this->m->type = tt_bad;
this->m->error_message = "unexpected EOF";
offset = input->getLastOffset();
}
}
else
{
throw std::logic_error(
"getToken returned false after presenting EOF");
}
}
else
{
presentCharacter(ch);
if (betweenTokens() && (input->getLastOffset() == offset))
{
++offset;
}
if (max_len && (this->m->raw_val.length() >= max_len) &&
(this->m->state != st_token_ready))
{
// terminate this token now
QTC::TC("qpdf", "QPDFTokenizer block long token");
this->m->type = tt_bad;
this->m->state = st_token_ready;
this->m->error_message =
"exceeded allowable length while reading token";
}
}
}
if (unread_char)
{
input->unreadCh(char_to_unread);
}
if (token.getType() != tt_eof)
{
input->setLastOffset(offset);
}
if (token.getType() == tt_bad)
{
if (allow_bad)
{
QTC::TC("qpdf", "QPDFTokenizer allowing bad token");
}
else
{
throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
context, offset, token.getErrorMessage());
}
}
return token;
}
|