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
|
use Test::More tests => 42;
use strict;
use warnings;
use utf8;
use PDF::API2::Basic::PDF::String;
my $string;
$string = PDF::API2::Basic::PDF::String->from_pdf('(Test)');
is($string->val(),
'Test',
q{Basic literal string test});
is($string->as_pdf(),
'(Test)',
q{Basic literal string output});
$string = PDF::API2::Basic::PDF::String->from_pdf('<54657374>');
is(length($string->val()),
4,
q{Basic hexadecimal string length test});
is($string->val(),
'Test',
q{Basic hexadecimal string test});
is($string->as_pdf(),
'<54657374>',
q{Basic hexadecimal string output});
# PDF Spec 1.7 Section 7.3.4.2 Examples
$string = PDF::API2::Basic::PDF::String->from_pdf("(Strings may contain newlines\nand such)");
is($string->val(),
"Strings may contain newlines\nand such",
q{PDF 1.7 section 7.3.4.2 Example 1 (1/3)});
my $input = q|Strings may contain balanced parentheses ( ) and
special characters (*!&}^% and so on).|;
$string = PDF::API2::Basic::PDF::String->from_pdf('(' . $input . ')');
is($string->val(),
$input,
q{PDF 1.7 section 7.3.4.2 Example 1 (2/3)});
$string = PDF::API2::Basic::PDF::String->from_pdf('()');
is($string->val(),
'',
q{PDF 1.7 section 7.3.4.2 Example 1 (3/3)});
$input = q|These \
two strings \
are the same.|;
$string = PDF::API2::Basic::PDF::String->from_pdf($input);
is($string->val(),
'These two strings are the same.',
q{PDF 1.7 section 7.3.4.2 Example 2 (end-of-line backslash)});
$string = PDF::API2::Basic::PDF::String->from_pdf("(Test line\015)");
is($string->val(),
"Test line\012",
q{PDF 1.7 section 7.3.4.2 Example 3 (end-of-line character conversion) 1/3});
$string = PDF::API2::Basic::PDF::String->from_pdf("(Test line\015\012)");
is($string->val(),
"Test line\012",
q{PDF 1.7 section 7.3.4.2 Example 3 (end-of-line character conversion) 2/3});
$string = PDF::API2::Basic::PDF::String->from_pdf("(Test line\012)");
is($string->val(),
"Test line\012",
q{PDF 1.7 section 7.3.4.2 Example 3 (end-of-line character conversion) 3/3});
# PDF Spec 1.7 Section 7.3.4.3 Hexadecimal Strings
$string = PDF::API2::Basic::PDF::String->from_pdf('<5 550>');
is($string->val(),
'UP',
q{PDF 1.7 section 7.3.4.3 Example 1 (whitespace is ignored)});
$string = PDF::API2::Basic::PDF::String->from_pdf('<555>');
is($string->val(),
'UP',
q{PDF 1.7 section 7.3.4.3 Example 2 (odd number of hex digits)});
# Escape Characters
$string = PDF::API2::Basic::PDF::String->from_pdf('(\n)');
is($string->val(),
"\x0A",
q{Escape Character: \n});
is($string->as_pdf(),
'(\n)',
q{Escape Character: \n (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\r)');
is($string->val(),
"\x0D",
q{Escape Character: \r});
is($string->as_pdf(),
'(\r)',
q{Escape Character: \r (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\t)');
is($string->val(),
"\x09",
q{Escape Character: \t});
is($string->as_pdf(),
'(\t)',
q{Escape Character: \t (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\b)');
is($string->val(),
"\x08",
q{Escape Character: \b});
is($string->as_pdf(),
'(\b)',
q{Escape Character: \b (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\f)');
is($string->val(),
"\x0C",
q{Escape Character: \f});
is($string->as_pdf(),
'(\f)',
q{Escape Character: \f (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\()');
is($string->val(),
'(',
q{Escape Character: \(});
is($string->as_pdf(),
'(\()',
q{Escape Character: \( (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\))');
is($string->val(),
')',
q{Escape Character: \)});
is($string->as_pdf(),
'(\))',
q{Escape Character: \) (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\\)');
is($string->val(),
"\\",
q{Escape Character: \\});
is($string->as_pdf(),
"(\\\\)",
q{Escape Character: \\ (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf("(a\\\x0Ab)");
is($string->val(),
'ab',
q{Backslash followed by an EOL marker (LF) is ignored});
$string = PDF::API2::Basic::PDF::String->from_pdf("(a\\\x0Db)");
is($string->val(),
'ab',
q{Backslash followed by an EOL marker (CR) is ignored});
$string = PDF::API2::Basic::PDF::String->from_pdf("(a\\\x0D\x0Ab)");
is($string->val(),
'ab',
q{Backslash followed by an EOL marker (CRLF) is ignored});
$string = PDF::API2::Basic::PDF::String->from_pdf("(\\0053)");
is($string->val(),
"\x05" . '3',
q{Escape Character: 3-digit octal followed by a digit is interpreted as two characters});
$string = PDF::API2::Basic::PDF::String->from_pdf("(\\053)");
is($string->val(),
'+',
q{Escape Character: 3-digit octal});
$string = PDF::API2::Basic::PDF::String->from_pdf("(\\53)");
is($string->val(),
'+',
q{Escape Character: 2-digit octal});
$string = PDF::API2::Basic::PDF::String->from_pdf("(\\5)");
is($string->val(),
"\x05",
q{Escape Character: 1-digit octal});
use PDF::API2::Basic::PDF::Utils;
$string = PDFStr('ΠΔΦ');
is($string->as_pdf(),
'<FEFF03A0039403A6>',
q{A string with the utf8 flag set is automatically encoded as UCS-16BE});
# RT 63918
$string = PDF::API2::Basic::PDF::String->from_pdf('(3\000f' . "\x5c\x5c" . '3\000f)');
is($string->val(),
"3\x00f\\3\x00f",
q{[RT #63918] Incorrect handling of literal backslashes 1/2 (input)});
is($string->as_pdf(),
'<3300665C330066>',
q{[RT #63918] Incorrect handling of literal backslashes 1/2 (output)});
$string = PDF::API2::Basic::PDF::String->from_pdf('(\000\000\000' . "\x5c\x5c" . '\000\000\000\000)');
is($string->as_pdf(),
'<0000005C00000000>',
q{[RT #63918] Incorrect handling of literal backslashes 2/2});
# RT 134957
$string = PDFStr("\x00\n\x00");
is($string->as_pdf(),
'<000A00>',
q{\n in a string containing non-printable characters is hex-encoded});
|
