blob: 7e2ab8b8db98cde3526fac2fb1348c9e630e03b7 (
plain)
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
|
%%
%% This is file `l3str-esc-hex.def',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3str-convert.dtx (with options: `hex')
%%
%% Copyright (C) 2011-2016 The LaTeX3 Project
%%
%% It may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License (LPPL), either version 1.3c of
%% this license or (at your option) any later version. The latest
%% version of this license is in the file:
%%
%% http://www.latex-project.org/lppl.txt
%%
%% This file is part of the "l3experimental bundle" (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%%
%% File: l3str-convert.dtx Copyright (C) 2013-2016 The LaTeX3 Project
\cs_new_protected:Npn \__str_convert_unescape_hex:
{
\group_begin:
\flag_clear:n { str_error }
\int_set:Nn \tex_escapechar:D { 92 }
\tl_gset:Nx \g__str_result_tl
{
\__str_output_byte:w "
\exp_last_unbraced:Nf \__str_unescape_hex_auxi:N
{ \tl_to_str:N \g__str_result_tl }
0 { ? 0 - \c_one \__prg_break: }
\__prg_break_point:
\__str_output_end:
}
\__str_if_flag_error:nnx { str_error } { unescape-hex } { }
\group_end:
}
\cs_new:Npn \__str_unescape_hex_auxi:N #1
{
\use_none:n #1
\__str_hexadecimal_use:NTF #1
{ \__str_unescape_hex_auxii:N }
{
\flag_raise:n { str_error }
\__str_unescape_hex_auxi:N
}
}
\cs_new:Npn \__str_unescape_hex_auxii:N #1
{
\use_none:n #1
\__str_hexadecimal_use:NTF #1
{
\__str_output_end:
\__str_output_byte:w " \__str_unescape_hex_auxi:N
}
{
\flag_raise:n { str_error }
\__str_unescape_hex_auxii:N
}
}
\__msg_kernel_new:nnnn { str } { unescape-hex }
{ String~invalid~in~escaping~'hex':~only~hexadecimal~digits~allowed. }
{
Some~characters~in~the~string~you~asked~to~convert~are~not~
hexadecimal~digits~(0-9,~A-F,~a-f)~nor~spaces.
}
\cs_new_protected:Npn \__str_convert_escape_hex:
{ \__str_convert_gmap:N \__str_escape_hex_char:N }
\cs_new:Npn \__str_escape_hex_char:N #1
{ \__str_output_hexadecimal:n { `#1 } }
%%
%%
%% End of file `l3str-esc-hex.def'.
|