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%%
%% This is file `l3keys2e.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3keys2e.dtx (with options: `package')
%%
%% Copyright (C) 2009-2023 The LaTeX 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 "l3packages bundle" (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%%
%% File: l3keys2e.dtx
\RequirePackage{expl3}[2020/02/08]
\@ifpackagelater{expl3}{2020/02/08}
{}
{%
\PackageError{l3keys2e}{Support package l3kernel too old}
{%
Please install an up to date version of l3kernel\MessageBreak
using your TeX package manager or from CTAN.\MessageBreak
\MessageBreak
Loading l3keys2e will abort!%
}%
\endinput
}
\ProvidesExplPackage{l3keys2e}{2023-01-16}{}
{LaTeX2e option processing using LaTeX3 keys}
\cs_if_exist:NT \ProcessKeysOptions
{ \file_input_stop: }
\cs_generate_variant:Nn \clist_put_right:Nn { Nv }
\cs_generate_variant:Nn \keys_if_exist:nnT { nx }
\cs_generate_variant:Nn \keys_if_exist:nnTF { nx }
\clist_new:N \l__keys_latexe_options_clist
\bool_new:N \l__keys_process_class_bool
\cs_new_protected:Npn \__keys_latexe_options:n #1
{
\clist_clear:N \l__keys_latexe_options_clist
\__keys_latexe_options_global:n {#1}
\__keys_latexe_options_local:
\keys_if_exist:nnF {#1} { unknown }
{
\keys_define:nn {#1}
{
unknown .code:n =
{
\msg_error:nnxx { keyvalue } { option-unknown }
{ \l_keys_key_str } { \@currname }
}
}
\AtEndOfPackage
{ \keys_define:nn {#1} { unknown .undefine: } }
}
\clist_map_inline:Nn \l__keys_latexe_options_clist
{
\tl_set:Nn \CurrentOption {##1}
\keys_set:nn {#1} {##1}
}
\AtEndOfPackage { \cs_set_eq:NN \@unprocessedoptions \scan_stop: }
}
\cs_new_protected:Npn \__keys_latexe_options_global:n #1
{
\cs_if_eq:NNF \@classoptionslist \scan_stop:
{
\cs_if_eq:NNTF \@currext \@clsextension
{ \__keys_latexe_options_class:n {#1} }
{
\bool_if:NT \l__keys_process_class_bool
{ \__keys_latexe_options_package:n {#1} }
}
}
}
\cs_new_protected:Npn \__keys_latexe_options_class:n #1
{
\cs_if_free:cF { opt@ \@currname . \@currext }
{
\keys_if_exist:nnTF {#1} { unknown }
{
\clist_put_right:Nv \l__keys_latexe_options_clist
{ opt@ \@currname . \@currext }
}
{
\clist_map_inline:cn { opt@ \@currname . \@currext }
{
\keys_if_exist:nxTF {#1} { \__keys_latexe_remove_equals:n {##1} }
{ \clist_put_right:Nn \l__keys_latexe_options_clist {##1} }
{ \clist_put_right:Nn \@unusedoptionlist {##1} }
}
}
}
}
\cs_new_protected:Npn \__keys_latexe_options_package:n #1
{
\clist_map_inline:Nn \@classoptionslist
{
\keys_if_exist:nxT {#1} { \__keys_latexe_remove_equals:n {##1} }
{
\clist_put_right:Nn \l__keys_latexe_options_clist {##1}
\clist_remove_all:Nn \@unusedoptionlist {##1}
}
}
}
\cs_new_protected:Npn \__keys_latexe_options_local:
{
\cs_if_eq:NNF \@currext \@clsextension
{
\cs_if_exist:cT { opt@ \@currname . \@currext }
{
\exp_args:NNc \clist_put_right:NV \l__keys_latexe_options_clist
{ opt@ \@currname . \@currext }
}
}
}
\cs_new:Npn \__keys_latexe_remove_equals:n #1
{ \__keys_latexe_remove_equals:w #1 = \s__keys_stop }
\cs_new:Npn \__keys_latexe_remove_equals:w #1 = #2 \s__keys_stop { \exp_not:n {#1} }
\cs_new_protected:Npn \ProcessKeysOptions #1
{
\bool_set_true:N \l__keys_process_class_bool
\__keys_latexe_options:n {#1}
}
\cs_new_protected:Npn \ProcessKeysPackageOptions #1
{
\bool_set_false:N \l__keys_process_class_bool
\__keys_latexe_options:n {#1}
}
\@onlypreamble \ProcessKeysOptions
\@onlypreamble \ProcessKeysPackageOptions
\msg_new:nnnn { keyvalue } { option-unknown }
{ Unknown~option~'#1'~for~package~#2. }
{
LaTeX~has~been~asked~to~set~an~option~called~'#1'~
but~the~#2~package~has~not~created~an~option~with~this~name.
}
%%
%%
%% End of file `l3keys2e.sty'.
|
