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Diffstat (limited to 'Master/texmf-dist/tex/latex/l3experimental/l3str/l3str-esc-hex.def')
-rw-r--r-- | Master/texmf-dist/tex/latex/l3experimental/l3str/l3str-esc-hex.def | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/l3experimental/l3str/l3str-esc-hex.def b/Master/texmf-dist/tex/latex/l3experimental/l3str/l3str-esc-hex.def new file mode 100644 index 00000000000..6059b76076c --- /dev/null +++ b/Master/texmf-dist/tex/latex/l3experimental/l3str/l3str-esc-hex.def @@ -0,0 +1,100 @@ +%% +%% This is file `l3str-esc-hex.def', +%% generated with the docstrip utility. +%% +%% The original source files were: +%% +%% l3str-convert.dtx (with options: `hex') +%% +%% EXPERIMENTAL CODE +%% +%% Do not distribute this file without also distributing the +%% source files specified above. +%% +%% Do not distribute a modified version of this file. +%% +%% File: l3str-convert.dtx Copyright (C) 2013 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. +%% +%% The released version of this bundle is available from CTAN. +%% +%% ----------------------------------------------------------------------- +%% +%% The development version of the bundle can be found at +%% +%% http://www.latex-project.org/svnroot/experimental/trunk/ +%% +%% for those people who are interested. +%% +%%%%%%%%%%% +%% NOTE: %% +%%%%%%%%%%% +%% +%% Snapshots taken from the repository represent work in progress and may +%% not work or may contain conflicting material! We therefore ask +%% people _not_ to put them into distributions, archives, etc. without +%% prior consultation with the LaTeX3 Project. +%% +%% ----------------------------------------------------------------------- +\cs_new_protected_nopar: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_nopar: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'. |