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%%
%% This is file `l3str-esc-url.def',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3str-convert.dtx (with options: `url')
%%
%% Copyright (C) 2011-2019 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) 2013-2019 The LaTeX3 Project
\cs_set_protected:Npn \__str_tmp:w #1#2#3
{
\cs_new_protected:cpn { __str_convert_unescape_#2: }
{
\group_begin:
\flag_clear:n { str_byte }
\flag_clear:n { str_error }
\int_set:Nn \tex_escapechar:D { 92 }
\tl_gset:Nx \g__str_result_tl
{
\exp_after:wN #3 \g__str_result_tl
#1 ? { ? \prg_break: }
\prg_break_point:
}
\__str_if_flag_error:nnx { str_byte } { non-byte } { #2 }
\__str_if_flag_error:nnx { str_error } { unescape-#2 } { }
\group_end:
}
\cs_new:Npn #3 ##1#1##2##3
{
\__str_filter_bytes:n {##1}
\use_none:n ##3
\__str_output_byte:w "
\__str_hexadecimal_use:NTF ##2
{
\__str_hexadecimal_use:NTF ##3
{ }
{
\flag_raise:n { str_error }
* 0 + `#1 \use_i:nn
}
}
{
\flag_raise:n { str_error }
0 + `#1 \use_i:nn
}
\__str_output_end:
\use_i:nnn #3 ##2##3
}
\__kernel_msg_new:nnnn { str } { unescape-#2 }
{ String~invalid~in~escaping~'#2'. }
{
LaTeX~came~across~the~escape~character~'#1'~not~followed~by~
two~hexadecimal~digits.~This~is~invalid~in~the~escaping~'#2'.
}
}
\exp_after:wN \__str_tmp:w \c_percent_str { url }
\__str_unescape_url_loop:wNN
\cs_new_protected:Npn \__str_convert_escape_url:
{ \__str_convert_gmap:N \__str_escape_url_char:N }
\cs_new:Npn \__str_escape_url_char:N #1
{
\__str_if_escape_url:NTF #1 {#1}
{ \c_percent_str \__str_output_hexadecimal:n { `#1 } }
}
\prg_new_conditional:Npnn \__str_if_escape_url:N #1 { TF }
{
\if_int_compare:w `#1 < "41 \exp_stop_f:
\__str_if_contains_char:nNTF { "-.<> } #1
\prg_return_true: \prg_return_false:
\else:
\if_int_compare:w `#1 > "7E \exp_stop_f:
\prg_return_false:
\else:
\__str_if_contains_char:nNTF { [ ] } #1
\prg_return_false: \prg_return_true:
\fi:
\fi:
}
%%
%%
%% End of file `l3str-esc-url.def'.
|
