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%%
%% This is file `xparse.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% xparse.dtx (with options: `package')
%%
%% 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: xparse.dtx (C) Copyright 1999 Frank Mittelbach, Chris Rowley,
%% David Carlisle
%% (C) Copyright 2004-2008 Frank Mittelbach,
%% The LaTeX3 Project
%% (C) Copyright 2009-2013 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 "l3packages 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 LaTeX Project Team.
%%
%% -----------------------------------------------------------------------
%%
\RequirePackage{expl3}[2013/03/12]
\@ifpackagelater{expl3}{2013/03/12}
{}
{%
\PackageError{xparse}{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 xparse will abort!%
}%
\endinput
}
\GetIdInfo$Id: xparse.dtx 4467 2013-03-12 08:29:05Z joseph $
{L3 Experimental document command parser}
\ProvidesExplPackage
{\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
\group_begin:
\char_set_lccode:nn { `\Q } { `\- }
\char_set_lccode:nn { `\N } { `\N }
\char_set_lccode:nn { `\V } { `\V }
\tl_to_lowercase:n
{
\group_end:
\tl_const:Nn \c__xparse_no_value_tl { QNoValue- }
}
\prop_new:N \c__xparse_shorthands_prop
\prop_put:Nnn \c__xparse_shorthands_prop { o } { d[] }
\prop_put:Nnn \c__xparse_shorthands_prop { O } { D[] }
\prop_put:Nnn \c__xparse_shorthands_prop { s } { t* }
\bool_new:N \l__xparse_all_long_bool
\tl_new:N \l__xparse_args_tl
\prop_new:N \l__xparse_command_arg_specs_prop
\int_new:N \l__xparse_current_arg_int
\bool_new:N \l__xparse_environment_bool
\prop_new:N \l__xparse_environment_arg_specs_prop
\bool_new:N \l__xparse_expandable_bool
\tl_new:N \l__xparse_expandable_aux_name_tl
\tl_set:Nn \l__xparse_expandable_aux_name_tl
{
\l__xparse_function_tl \c_space_tl
( arg~ \int_use:N \l__xparse_current_arg_int )
}
\tl_new:N \l__xparse_fn_tl
\tl_new:N \l__xparse_function_tl
\bool_new:N \l__xparse_long_bool
\int_new:N \l__xparse_m_args_int
\int_new:N \l__xparse_mandatory_args_int
\bool_new:N \l__xparse_processor_bool
\int_new:N \l__xparse_processor_int
\tl_new:N \l__xparse_signature_tl
\tl_new:N \l__xparse_tmp_tl
\cs_new_protected_nopar:Npn \__xparse_declare_cmd:Nnn
{
\bool_set_false:N \l__xparse_expandable_bool
\__xparse_declare_cmd_aux:Nnn
}
\cs_new_protected_nopar:Npn \__xparse_declare_expandable_cmd:Nnn
{
\bool_set_true:N \l__xparse_expandable_bool
\__xparse_declare_cmd_aux:Nnn
}
\cs_new_protected:Npn \__xparse_declare_cmd_aux:Nnn #1#2
{
\cs_if_exist:NTF #1
{
\__msg_kernel_warning:nnxx { xparse } { redefine-command }
{ \token_to_str:N #1 } { \tl_to_str:n {#2} }
}
{
\__msg_kernel_info:nnxx { xparse } { define-command }
{ \token_to_str:N #1 } { \tl_to_str:n {#2} }
}
\prop_put:Nnn \l__xparse_command_arg_specs_prop {#1} {#2}
\bool_set_false:N \l__xparse_environment_bool
\__xparse_declare_cmd_internal:Nnn #1 {#2}
}
\cs_new_protected:Npn \__xparse_declare_cmd_internal:Nnn #1#2#3
{
\tl_set:Nx \l__xparse_function_tl { \cs_to_str:N #1 }
\__xparse_count_mandatory:n {#2}
\__xparse_prepare_signature:n {#2}
\int_compare:nNnTF \l__xparse_current_arg_int = \l__xparse_m_args_int
{
\bool_if:NTF \l__xparse_environment_bool
{ \__xparse_declare_cmd_mixed:Nn #1 {#3} }
{ \__xparse_declare_cmd_all_m:Nn #1 {#3} }
}
{ \__xparse_declare_cmd_mixed:Nn #1 {#3} }
\__xparse_break_point:n {#2}
}
\cs_generate_variant:Nn \__xparse_declare_cmd_internal:Nnn { cnx }
\cs_new_eq:NN \__xparse_break_point:n \use_none:n
\cs_new_protected:Npn \__xparse_declare_cmd_all_m:Nn #1#2
{
\cs_generate_from_arg_count:Ncnn #1
{
cs_set
\bool_if:NF \l__xparse_expandable_bool { _protected }
\bool_if:NF \l__xparse_all_long_bool { _nopar }
:Npn
}
\l__xparse_current_arg_int {#2}
}
\cs_new_protected:Npn \__xparse_declare_cmd_mixed:Nn
{
\bool_if:NTF \l__xparse_expandable_bool
{ \__xparse_declare_cmd_mixed_expandable:Nn }
{ \__xparse_declare_cmd_mixed_aux:Nn }
}
\cs_new_protected:Npn \__xparse_declare_cmd_mixed_aux:Nn #1#2
{
\__xparse_flush_m_args:
\cs_generate_from_arg_count:cNnn
{ \l__xparse_function_tl \c_space_tl code }
\cs_set_protected:Npn \l__xparse_current_arg_int {#2}
\cs_set_protected_nopar:Npx #1
{
\int_zero:N \l__xparse_processor_int
\tl_set:Nn \exp_not:N \l__xparse_args_tl
{ \exp_not:c { \l__xparse_function_tl \c_space_tl code } }
\tl_set:Nn \exp_not:N \l__xparse_fn_tl
{ \exp_not:c { \l__xparse_function_tl \c_space_tl } }
\exp_not:o \l__xparse_signature_tl
\exp_not:N \l__xparse_args_tl
}
}
\cs_new_protected:Npn \__xparse_declare_cmd_mixed_expandable:Nn #1#2
{
\cs_generate_from_arg_count:cNnn
{ \l__xparse_function_tl \c_space_tl code }
\cs_set:Npn \l__xparse_current_arg_int {#2}
\cs_set_nopar:Npx #1
{
\exp_not:o \l__xparse_signature_tl
\exp_not:N \__xparse_grab_expandable_end:wN
\exp_not:c { \l__xparse_function_tl \c_space_tl code }
\exp_not:N \q__xparse
\exp_not:c { \l__xparse_function_tl \c_space_tl }
}
\bool_if:NTF \l__xparse_all_long_bool
{ \cs_set:cpx }
{ \cs_set_nopar:cpx }
{ \l__xparse_function_tl \c_space_tl } ##1##2 { ##1 {##2} }
}
\cs_new_protected:Npn \__xparse_declare_env:nnnn #1#2
{
\cs_if_exist:cTF {#1}
{
\__msg_kernel_warning:nnxx { xparse } { redefine-environment }
{#1} { \tl_to_str:n {#2} }
}
{
\__msg_kernel_info:nnxx { xparse } { define-environment }
{#1} { \tl_to_str:n {#2} }
}
\prop_put:Nnn \l__xparse_environment_arg_specs_prop {#1} {#2}
\bool_set_false:N \l__xparse_expandable_bool
\bool_set_true:N \l__xparse_environment_bool
\__xparse_declare_env_internal:nnnn {#1} {#2}
}
\cs_new_protected:Npn \__xparse_declare_env_internal:nnnn #1#2#3#4
{
\__xparse_declare_cmd_internal:cnx { environment~ #1 } {#2}
{
\cs_set_protected_nopar:Npx \exp_not:c { environment~ #1 ~end~aux }
{
\exp_not:c { environment~ #1~end~aux~ }
\exp_not:n { \tl_tail:N \l__xparse_args_tl }
}
\exp_not:n {#3}
}
\cs_set_protected_nopar:cpx { environment~ #1 ~end }
{ \exp_not:c { environment~ #1 ~end~aux } }
\cs_generate_from_arg_count:cNnn
{ environment~ #1 ~end~aux~ } \cs_set_protected:Npn
\l__xparse_current_arg_int {#4}
\cs_set_eq:cc {#1} { environment~ #1 }
\cs_set_eq:cc { end #1 } { environment~ #1 ~end }
}
\cs_new_protected:Npn \__xparse_count_mandatory:n #1
{
\int_zero:N \l__xparse_mandatory_args_int
\__xparse_count_mandatory:N #1
\q_recursion_tail \q_recursion_tail \q_recursion_tail \q_recursion_stop
}
\cs_new_protected:Npn \__xparse_count_mandatory:N #1
{
\quark_if_recursion_tail_stop:N #1
\prop_get:NnNTF \c__xparse_shorthands_prop {#1} \l__xparse_tmp_tl
{ \exp_after:wN \__xparse_count_mandatory:N \l__xparse_tmp_tl }
{ \__xparse_count_mandatory_aux:N #1 }
}
\cs_new_protected:Npn \__xparse_count_mandatory_aux:N #1
{
\cs_if_free:cTF { __xparse_count_type_ \token_to_str:N #1 :w }
{ \__xparse_count_type_m:w }
{ \use:c { __xparse_count_type_ \token_to_str:N #1 :w } }
}
\cs_new_protected:cpn { __xparse_count_type_>:w } #1
{
\quark_if_recursion_tail_stop_do:nn {#1} { \__xparse_bad_arg_spec:wn }
\__xparse_count_mandatory:N
}
\cs_new_protected_nopar:cpn { __xparse_count_type_+:w }
{ \__xparse_count_mandatory:N }
\cs_new_protected:Npn \__xparse_count_type_d:w #1#2
{
\__xparse_single_token_check:n {#1}
\__xparse_single_token_check:n {#2}
\quark_if_recursion_tail_stop_do:Nn #2 { \__xparse_bad_arg_spec:wn }
\__xparse_count_mandatory:N
}
\cs_new_protected:Npn \__xparse_count_type_D:w #1#2#3
{
\__xparse_single_token_check:n {#1}
\__xparse_single_token_check:n {#2}
\quark_if_recursion_tail_stop_do:nn {#3} { \__xparse_bad_arg_spec:wn }
\__xparse_count_mandatory:N
}
\cs_new_protected_nopar:Npn \__xparse_count_type_g:w
{ \__xparse_count_mandatory:N }
\cs_new_protected:Npn \__xparse_count_type_G:w #1
{
\quark_if_recursion_tail_stop_do:nn {#1} { \__xparse_bad_arg_spec:wn }
\__xparse_count_mandatory:N
}
\cs_new_protected_nopar:Npn \__xparse_count_type_m:w
{
\int_incr:N \l__xparse_mandatory_args_int
\__xparse_count_mandatory:N
}
\cs_new_protected:Npn \__xparse_count_type_r:w #1#2
{
\__xparse_single_token_check:n {#1}
\__xparse_single_token_check:n {#2}
\quark_if_recursion_tail_stop_do:Nn #2 { \__xparse_bad_arg_spec:wn }
\int_incr:N \l__xparse_mandatory_args_int
\__xparse_count_mandatory:N
}
\cs_new_protected:Npn \__xparse_count_type_R:w #1#2#3
{
\__xparse_single_token_check:n {#1}
\__xparse_single_token_check:n {#2}
\quark_if_recursion_tail_stop_do:nn {#3} { \__xparse_bad_arg_spec:wn }
\int_incr:N \l__xparse_mandatory_args_int
\__xparse_count_mandatory:N
}
\cs_new_protected:Npn \__xparse_count_type_t:w #1
{
\__xparse_single_token_check:n {#1}
\quark_if_recursion_tail_stop_do:Nn #1 { \__xparse_bad_arg_spec:wn }
\__xparse_count_mandatory:N
}
\cs_new_protected:Npn \__xparse_count_type_u:w #1
{
\quark_if_recursion_tail_stop_do:nn {#1} { \__xparse_bad_arg_spec:wn }
\int_incr:N \l__xparse_mandatory_args_int
\__xparse_count_mandatory:N
}
\cs_new_protected:Npn \__xparse_single_token_check:n #1
{
\tl_if_single:nF {#1}
{ \__xparse_single_token_check_aux:nwn {#1} }
}
\cs_new_protected:Npn \__xparse_single_token_check_aux:nwn
#1#2 \__xparse_break_point:n #3
{
\__msg_kernel_error:nnx { xparse } { not-single-token }
{ \tl_to_str:n {#1} } { \tl_to_str:n {#3} }
}
\cs_new_protected:Npn \__xparse_bad_arg_spec:wn #1 \__xparse_break_point:n #2
{ \__msg_kernel_error:nnx { xparse } { bad-arg-spec } { \tl_to_str:n {#2} } }
\cs_new_protected:Npn \__xparse_prepare_signature:n #1
{
\bool_set_false:N \l__xparse_all_long_bool
\int_zero:N \l__xparse_current_arg_int
\bool_set_false:N \l__xparse_long_bool
\int_zero:N \l__xparse_m_args_int
\bool_set_false:N \l__xparse_processor_bool
\tl_clear:N \l__xparse_signature_tl
\__xparse_prepare_signature:N #1 \q_recursion_tail \q_recursion_stop
}
\cs_new_protected_nopar:Npn \__xparse_prepare_signature:N
{
\bool_set_false:N \l__xparse_processor_bool
\__xparse_prepare_signature_bypass:N
}
\cs_new_protected:Npn \__xparse_prepare_signature_bypass:N #1
{
\quark_if_recursion_tail_stop:N #1
\prop_get:NnNTF \c__xparse_shorthands_prop {#1} \l__xparse_tmp_tl
{ \exp_after:wN \__xparse_prepare_signature:N \l__xparse_tmp_tl }
{
\int_incr:N \l__xparse_current_arg_int
\__xparse_prepare_signature_add:N #1
}
}
\cs_new_protected:Npn \__xparse_prepare_signature_add:N #1
{
\cs_if_exist_use:cF
{
__xparse_add
\bool_if:NT \l__xparse_expandable_bool { _expandable }
_type_ \token_to_str:N #1 :w
}
{
\__msg_kernel_error:nnx { xparse } { unknown-argument-type }
{ \token_to_str:N #1 }
\bool_if:NTF \l__xparse_expandable_bool
{ \__xparse_add_expandable_type_m:w }
{ \__xparse_add_type_m:w }
}
}
\cs_new_protected_nopar:cpn { __xparse_add_type_+:w }
{
\__xparse_flush_m_args:
\bool_set_true:N \l__xparse_long_bool
\int_decr:N \l__xparse_current_arg_int
\__xparse_prepare_signature:N
}
\cs_new_protected:cpn { __xparse_add_type_>:w } #1
{
\bool_set_true:N \l__xparse_processor_bool
\__xparse_flush_m_args:
\int_decr:N \l__xparse_current_arg_int
\tl_put_right:Nn \l__xparse_signature_tl { \__xparse_process_arg:n {#1} }
\__xparse_prepare_signature_bypass:N
}
\cs_new_protected:Npn \__xparse_add_type_d:w #1#2
{ \exp_args:NNNo \__xparse_add_type_D:w #1 #2 \c__xparse_no_value_tl }
\cs_new_protected:Npn \__xparse_add_type_D:w #1#2#3
{
\__xparse_flush_m_args:
\__xparse_add_grabber_optional:N D
\tl_put_right:Nn \l__xparse_signature_tl { #1 #2 {#3} }
\__xparse_prepare_signature:N
}
\cs_new_protected_nopar:Npn \__xparse_add_type_g:w
{ \exp_args:No \__xparse_add_type_G:w \c__xparse_no_value_tl }
\cs_new_protected:Npn \__xparse_add_type_G:w #1
{
\__xparse_flush_m_args:
\__xparse_add_grabber_optional:N G
\tl_put_right:Nn \l__xparse_signature_tl { {#1} }
\__xparse_prepare_signature:N
}
\cs_new_protected_nopar:Npn \__xparse_add_type_l:w
{
\__xparse_flush_m_args:
\__xparse_add_grabber_mandatory:N l
\__xparse_prepare_signature:N
}
\cs_new_protected_nopar:Npn \__xparse_add_type_m:w
{
\bool_if:nTF { \l__xparse_long_bool || \l__xparse_processor_bool }
{
\__xparse_flush_m_args:
\__xparse_add_grabber_mandatory:N m
}
{ \int_incr:N \l__xparse_m_args_int }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_r:w #1#2
{ \exp_args:NNNo \__xparse_add_type_R:w #1 #2 \c__xparse_no_value_tl }
\cs_new_protected:Npn \__xparse_add_type_R:w #1#2#3
{
\__xparse_flush_m_args:
\__xparse_add_grabber_mandatory:N R
\tl_put_right:Nn \l__xparse_signature_tl { #1 #2 {#3} }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_t:w #1
{
\__xparse_flush_m_args:
\__xparse_add_grabber_optional:N t
\tl_put_right:Nn \l__xparse_signature_tl { #1 }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_u:w #1
{
\__xparse_flush_m_args:
\__xparse_add_grabber_mandatory:N u
\tl_put_right:Nn \l__xparse_signature_tl { {#1} }
\__xparse_prepare_signature:N
}
\cs_new_protected_nopar:Npn \__xparse_add_type_v:w
{
\__xparse_flush_m_args:
\__xparse_add_grabber_mandatory:N v
\__xparse_prepare_signature:N
}
\cs_new_protected_nopar:Npn \__xparse_flush_m_args:
{
\int_compare:nNnT \l__xparse_m_args_int > \c_zero
{
\tl_put_right:Nx \l__xparse_signature_tl
{ \exp_not:c { __xparse_grab_m_ \int_use:N \l__xparse_m_args_int :w } }
\int_set:Nn \l__xparse_mandatory_args_int
{ \l__xparse_mandatory_args_int - \l__xparse_m_args_int }
}
\int_zero:N \l__xparse_m_args_int
}
\cs_new_protected_nopar:Npn \__xparse_add_grabber_mandatory:N #1
{
\tl_put_right:Nx \l__xparse_signature_tl
{
\exp_not:c
{ __xparse_grab_ #1 \bool_if:NT \l__xparse_long_bool { _long } :w }
}
\bool_set_false:N \l__xparse_long_bool
\int_decr:N \l__xparse_mandatory_args_int
}
\cs_new_protected_nopar:Npn \__xparse_add_grabber_optional:N #1
{
\tl_put_right:Nx \l__xparse_signature_tl
{
\exp_not:c
{
__xparse_grab_ #1
\bool_if:NT \l__xparse_long_bool { _long }
\int_compare:nNnF \l__xparse_mandatory_args_int > \c_zero
{ _trailing }
:w
}
}
\bool_set_false:N \l__xparse_long_bool
}
\cs_new_protected_nopar:cpn { __xparse_add_expandable_type_+:w }
{
\bool_set_true:N \l__xparse_long_bool
\int_compare:nNnTF \l__xparse_current_arg_int = \c_one
{ \bool_set_true:N \l__xparse_all_long_bool }
{
\bool_if:NF \l__xparse_all_long_bool
{ \__msg_kernel_error:nn { xparse } { inconsistent-long } }
}
\int_decr:N \l__xparse_current_arg_int
\__xparse_prepare_signature:N
}
\cs_new_protected:cpn { __xparse_add_expandable_type_>:w } #1
{
\__msg_kernel_error:nnx { xparse } { processor-in-expandable }
{ \token_to_str:c { \l__xparse_function_tl } }
\int_decr:N \l__xparse_current_arg_int
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_type_d:w #1#2
{
\exp_args:NNNo
\__xparse_add_expandable_type_D:w #1 #2 \c__xparse_no_value_tl
}
\cs_new_protected:Npn \__xparse_add_expandable_type_D:w #1#2
{
\token_if_eq_meaning:NNTF #1 #2
{
\__xparse_add_expandable_grabber_optional:n { D_alt }
\__xparse_add_expandable_type_D_aux:Nn #1
}
{
\__xparse_add_expandable_grabber_optional:n { D }
\__xparse_add_expandable_type_D_aux:NNn #1#2
}
}
\cs_new_protected:Npn \__xparse_add_expandable_type_D_aux:NNn #1#2#3
{
\bool_if:NTF \l__xparse_all_long_bool
{ \cs_set:cpx }
{ \cs_set_nopar:cpx }
{ \l__xparse_expandable_aux_name_tl } ##1 ##2 #1 ##3 \q__xparse ##4 #2
{ ##1 {##2} {##3} {##4} }
\tl_put_right:Nx \l__xparse_signature_tl
{
\exp_not:c { \l__xparse_expandable_aux_name_tl }
\exp_not:n { #1 #2 {#3} }
}
\bool_set_false:N \l__xparse_long_bool
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_type_D_aux:Nn #1#2
{
\bool_if:NTF \l__xparse_all_long_bool
{ \cs_set:cpx }
{ \cs_set_nopar:cpx }
{ \l__xparse_expandable_aux_name_tl } ##1 #1 ##2 #1
{ ##1 {##2} }
\tl_put_right:Nx \l__xparse_signature_tl
{
\exp_not:c { \l__xparse_expandable_aux_name_tl }
\exp_not:n { #1 {#2} }
}
\bool_set_false:N \l__xparse_long_bool
\__xparse_prepare_signature:N
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_type_g:w
{
\__msg_kernel_error:nnx { xparse } { invalid-expandable-argument-type } { g }
\__xparse_add_expandable_type_m:w
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_type_G:w #1
{
\__msg_kernel_error:nnx { xparse } { invalid-expandable-argument-type } { G }
\__xparse_add_expandable_type_m:w
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_type_l:w
{
\__msg_kernel_error:nnx { xparse } { invalid-expandable-argument-type } { l }
\__xparse_add_expandable_type_m:w
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_type_m:w
{
\int_incr:N \l__xparse_m_args_int
\__xparse_add_expandable_grabber_mandatory:n { m }
\bool_set_false:N \l__xparse_long_bool
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_type_r:w #1#2
{
\exp_args:NNNo
\__xparse_add_expandable_type_R:w #1 #2 \c__xparse_no_value_tl
}
\cs_new_protected:Npn \__xparse_add_expandable_type_R:w #1#2
{
\token_if_eq_meaning:NNTF #1 #2
{
\__xparse_add_expandable_grabber_optional:n { R_alt }
\__xparse_add_expandable_type_D_aux:Nn #1
}
{
\__xparse_add_expandable_grabber_optional:n { R }
\__xparse_add_expandable_type_D_aux:NNn #1#2
}
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_type_t:w #1
{
\__xparse_add_expandable_grabber_optional:n { t }
\bool_if:NTF \l__xparse_all_long_bool
{ \cs_set:cpn }
{ \cs_set_nopar:cpn }
{ \l__xparse_expandable_aux_name_tl } ##1 #1 {##1}
\tl_put_right:Nx \l__xparse_signature_tl
{
\exp_not:c { \l__xparse_expandable_aux_name_tl }
\exp_not:N #1
}
\bool_set_false:N \l__xparse_long_bool
\__xparse_prepare_signature:N
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_type_u:w #1
{
\__msg_kernel_error:nnx { xparse } { invalid-expandable-argument-type } { u }
\__xparse_add_expandable_type_m:w
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_type_v:w
{
\__msg_kernel_error:nnx { xparse } { invalid-expandable-argument-type } { v }
\__xparse_add_expandable_type_m:w
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_grabber_mandatory:n #1
{
\__xparse_add_expandable_long_check:
\tl_put_right:Nx \l__xparse_signature_tl
{ \exp_not:c { __xparse_expandable_grab_ #1 :w } }
\bool_set_false:N \l__xparse_long_bool
\int_decr:N \l__xparse_mandatory_args_int
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_grabber_optional:n #1
{
\__xparse_add_expandable_long_check:
\int_compare:nNnF \l__xparse_mandatory_args_int > \c_zero
{ \__msg_kernel_error:nn { xparse } { expandable-ending-optional } }
\tl_put_right:Nx \l__xparse_signature_tl
{ \exp_not:c { __xparse_expandable_grab_ #1 :w } }
\bool_set_false:N \l__xparse_long_bool
}
\cs_new_protected_nopar:Npn \__xparse_add_expandable_long_check:
{
\bool_if:nT { \l__xparse_all_long_bool && ! ( \l__xparse_long_bool ) }
{ \__msg_kernel_error:nn { xparse } { inconsistent-long } }
}
\cs_new_protected:Npn \__xparse_grab_arg:w { }
\cs_new_protected:Npn \__xparse_grab_arg_auxi:w { }
\cs_new_protected:Npn \__xparse_grab_arg_auxii:w { }
\cs_new_protected:Npn \__xparse_grab_D:w #1#2#3#4 \l__xparse_args_tl
{
\__xparse_grab_D_aux:NNnnNn #1 #2 {#3} {#4} \cs_set_protected_nopar:Npn
{ _ignore_spaces }
}
\cs_new_protected:Npn \__xparse_grab_D_long:w #1#2#3#4 \l__xparse_args_tl
{
\__xparse_grab_D_aux:NNnnNn #1 #2 {#3} {#4} \cs_set_protected:Npn
{ _ignore_spaces }
}
\cs_new_protected:Npn \__xparse_grab_D_trailing:w #1#2#3#4 \l__xparse_args_tl
{ \__xparse_grab_D_aux:NNnnNn #1 #2 {#3} {#4} \cs_set_protected_nopar:Npn { } }
\cs_new_protected:Npn \__xparse_grab_D_long_trailing:w #1#2#3#4 \l__xparse_args_tl
{ \__xparse_grab_D_aux:NNnnNn #1 #2 {#3} {#4} \cs_set_protected:Npn { } }
\cs_new_protected:Npn \__xparse_grab_D_aux:NNnnNn #1#2#3#4#5#6
{
\__xparse_grab_D_aux:NNnN #1#2 {#4} #5
\use:c { peek_meaning_remove #6 :NTF } #1
{ \__xparse_grab_arg:w }
{
\__xparse_add_arg:n {#3}
#4 \l__xparse_args_tl
}
}
\cs_new_protected:Npn \__xparse_grab_D_aux:NNnN #1#2#3#4
{
\cs_set_protected_nopar:Npn \__xparse_grab_arg:w
{
\exp_after:wN #4 \l__xparse_fn_tl ####1 #2
{
\tl_if_in:nnTF {####1} {#1}
{ \__xparse_grab_D_nested:NNnnN #1 #2 {####1} {#3} #4 }
{
\tl_if_blank:oTF { \use_none:n ####1 }
{ \__xparse_add_arg:o { \use_none:n ####1 } }
{
\str_if_eq_x:nnTF
{ \exp_not:o { \use_none:n ####1 } }
{ { \exp_not:o { \use_ii:nnn ####1 \q_nil } } }
{ \__xparse_add_arg:o { \use_ii:nn ####1 } }
{ \__xparse_add_arg:o { \use_none:n ####1 } }
}
#3 \l__xparse_args_tl
}
}
\group_begin:
\token_if_eq_catcode:NNTF #1 ^
{
\char_set_lccode:nn { `A } { `#1 }
\tl_to_lowercase:n
{
\group_end:
\l__xparse_fn_tl A
}
}
{
\char_set_lccode:nn { `^ } { `#1 }
\tl_to_lowercase:n
{
\group_end:
\l__xparse_fn_tl ^
}
}
}
}
\tl_new:N \l__xparse_nesting_a_tl
\tl_new:N \l__xparse_nesting_b_tl
\quark_new:N \q__xparse
\cs_new_protected:Npn \__xparse_grab_D_nested:NNnnN #1#2#3#4#5
{
\tl_clear:N \l__xparse_nesting_a_tl
\tl_clear:N \l__xparse_nesting_b_tl
\exp_after:wN #5 \l__xparse_fn_tl ##1 #1 ##2 \q__xparse ##3 #2
{
\tl_put_right:No \l__xparse_nesting_a_tl { \use_none:n ##1 #1 }
\tl_put_right:No \l__xparse_nesting_b_tl { \use_i:nn #2 ##3 }
\tl_if_in:nnTF {##2} {#1}
{
\l__xparse_fn_tl
\q_nil ##2 \q__xparse \ERROR
}
{
\tl_put_right:Nx \l__xparse_nesting_a_tl
{ \__xparse_grab_D_nested:w \q_nil ##2 \q_stop }
\tl_if_in:NnTF \l__xparse_nesting_b_tl {#1}
{
\tl_set_eq:NN \l__xparse_tmp_tl \l__xparse_nesting_b_tl
\tl_clear:N \l__xparse_nesting_b_tl
\exp_after:wN \l__xparse_fn_tl \exp_after:wN
\q_nil \l__xparse_tmp_tl \q_nil \q__xparse \ERROR
}
{
\tl_put_right:No \l__xparse_nesting_a_tl
\l__xparse_nesting_b_tl
\__xparse_add_arg:V \l__xparse_nesting_a_tl
#4 \l__xparse_args_tl
}
}
}
\l__xparse_fn_tl #3 \q_nil \q__xparse \ERROR
}
\cs_new:Npn \__xparse_grab_D_nested:w #1 \q_nil \q_stop
{ \exp_not:o { \use_none:n #1 } }
\cs_new_protected:Npn \__xparse_grab_G:w #1#2 \l__xparse_args_tl
{
\__xparse_grab_G_aux:nnNn {#1} {#2} \cs_set_protected_nopar:Npn
{ _ignore_spaces }
}
\cs_new_protected:Npn \__xparse_grab_G_long:w #1#2 \l__xparse_args_tl
{
\__xparse_grab_G_aux:nnNn {#1} {#2} \cs_set_protected:Npn { _ignore_spaces }
}
\cs_new_protected:Npn \__xparse_grab_G_trailing:w #1#2 \l__xparse_args_tl
{ \__xparse_grab_G_aux:nnNn {#1} {#2} \cs_set_protected_nopar:Npn { } }
\cs_new_protected:Npn \__xparse_grab_G_long_trailing:w #1#2 \l__xparse_args_tl
{ \__xparse_grab_G_aux:nnNn {#1} {#2} \cs_set_protected:Npn { } }
\cs_new_protected:Npn \__xparse_grab_G_aux:nnNn #1#2#3#4
{
\exp_after:wN #3 \l__xparse_fn_tl ##1
{
\__xparse_add_arg:n {##1}
#2 \l__xparse_args_tl
}
\use:c { peek_meaning #4 :NTF } \c_group_begin_token
{ \l__xparse_fn_tl }
{
\__xparse_add_arg:n {#1}
#2 \l__xparse_args_tl
}
}
\cs_new_protected:Npn \__xparse_grab_l:w #1 \l__xparse_args_tl
{ \__xparse_grab_l_aux:nN {#1} \cs_set_protected_nopar:Npn }
\cs_new_protected:Npn \__xparse_grab_l_long:w #1 \l__xparse_args_tl
{ \__xparse_grab_l_aux:nN {#1} \cs_set_protected:Npn }
\cs_new_protected:Npn \__xparse_grab_l_aux:nN #1#2
{
\exp_after:wN #2 \l__xparse_fn_tl ##1##
{
\__xparse_add_arg:n {##1}
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:Npn \__xparse_grab_m:w #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl ##1
{
\__xparse_add_arg:n {##1}
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:Npn \__xparse_grab_m_long:w #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected:Npn \l__xparse_fn_tl ##1
{
\__xparse_add_arg:n {##1}
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_1:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl ##1
{
\tl_put_right:Nn \l__xparse_args_tl { {##1} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_2:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl
##1##2
{
\tl_put_right:Nn \l__xparse_args_tl { {##1} {##2} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_3:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl
##1##2##3
{
\tl_put_right:Nn \l__xparse_args_tl { {##1} {##2} {##3} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_4:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl
##1##2##3##4
{
\tl_put_right:Nn \l__xparse_args_tl { {##1} {##2} {##3} {##4} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_5:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl
##1##2##3##4##5
{
\tl_put_right:Nn \l__xparse_args_tl { {##1} {##2} {##3} {##4} {##5} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_6:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl
##1##2##3##4##5##6
{
\tl_put_right:Nn \l__xparse_args_tl
{ {##1} {##2} {##3} {##4} {##5} {##6} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_7:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl
##1##2##3##4##5##6##7
{
\tl_put_right:Nn \l__xparse_args_tl
{ {##1} {##2} {##3} {##4} {##5} {##6} {##7} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:cpn { __xparse_grab_m_8:w } #1 \l__xparse_args_tl
{
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl
##1##2##3##4##5##6##7##8
{
\tl_put_right:Nn \l__xparse_args_tl
{ {##1} {##2} {##3} {##4} {##5} {##6} {##7} {##8} }
#1 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\cs_new_protected:Npn \__xparse_grab_R:w #1#2#3#4 \l__xparse_args_tl
{ \__xparse_grab_R_aux:NNnnN #1 #2 {#3} {#4} \cs_set_protected_nopar:Npn }
\cs_new_protected:Npn \__xparse_grab_R_long:w #1#2#3#4 \l__xparse_args_tl
{ \__xparse_grab_R_aux:NNnnN #1 #2 {#3} {#4} \cs_set_protected:Npn }
\cs_new_protected:Npn \__xparse_grab_R_aux:NNnnN #1#2#3#4#5
{
\__xparse_grab_D_aux:NNnN #1 #2 {#4} #5
\peek_meaning_remove_ignore_spaces:NTF #1
{ \__xparse_grab_arg:w }
{
\__msg_kernel_error:nnxx { xparse } { missing-required }
{ \token_to_str:N #1 } { \tl_to_str:n {#3} }
\__xparse_add_arg:n {#3}
#4 \l__xparse_args_tl
}
}
\cs_new_protected:Npn \__xparse_grab_t:w #1#2 \l__xparse_args_tl
{
\__xparse_grab_t_aux:NnNn #1 {#2} \cs_set_protected_nopar:Npn
{ _ignore_spaces }
}
\cs_new_protected:Npn \__xparse_grab_t_long:w #1#2 \l__xparse_args_tl
{ \__xparse_grab_t_aux:NnNn #1 {#2} \cs_set_protected:Npn { _ignore_spaces } }
\cs_new_protected:Npn \__xparse_grab_t_trailing:w #1#2 \l__xparse_args_tl
{ \__xparse_grab_t_aux:NnNn #1 {#2} \cs_set_protected_nopar:Npn { } }
\cs_new_protected:Npn \__xparse_grab_t_long_trailing:w #1#2 \l__xparse_args_tl
{ \__xparse_grab_t_aux:NnNn #1 {#2} \cs_set_protected:Npn { } }
\cs_new_protected:Npn \__xparse_grab_t_aux:NnNn #1#2#3#4
{
\exp_after:wN #3 \l__xparse_fn_tl
{
\use:c { peek_meaning_remove #4 :NTF } #1
{
\__xparse_add_arg:n { \BooleanTrue }
#2 \l__xparse_args_tl
}
{
\__xparse_add_arg:n { \BooleanFalse }
#2 \l__xparse_args_tl
}
}
\l__xparse_fn_tl
}
\cs_new_protected:Npn \__xparse_grab_u:w #1#2 \l__xparse_args_tl
{ \__xparse_grab_u_aux:nnN {#1} {#2} \cs_set_protected_nopar:Npn }
\cs_new_protected:Npn \__xparse_grab_u_long:w #1#2 \l__xparse_args_tl
{ \__xparse_grab_u_aux:nnN {#1} {#2} \cs_set_protected:Npn }
\cs_new_protected:Npn \__xparse_grab_u_aux:nnN #1#2#3
{
\exp_after:wN #3 \l__xparse_fn_tl ##1 #1
{
\__xparse_add_arg:n {##1}
#2 \l__xparse_args_tl
}
\l__xparse_fn_tl
}
\tl_new:N \l__xparse_v_rest_of_signature_tl
\tl_new:N \l__xparse_v_arg_tl
\cs_new_protected_nopar:Npn \__xparse_grab_v:w
{
\bool_set_false:N \l__xparse_long_bool
\__xparse_grab_v_aux:w
}
\cs_new_protected_nopar:Npn \__xparse_grab_v_long:w
{
\bool_set_true:N \l__xparse_long_bool
\__xparse_grab_v_aux:w
}
\cs_new_protected:Npn \__xparse_grab_v_aux:w #1 \l__xparse_args_tl
{
\tl_set:Nn \l__xparse_v_rest_of_signature_tl {#1}
\group_begin:
\group_align_safe_begin:
\tex_escapechar:D = 92 \scan_stop:
\tl_clear:N \l__xparse_v_arg_tl
\peek_N_type:TF
{ \__xparse_grab_v_aux_test:N }
{
\peek_meaning_remove:NTF \c_group_begin_token
{
\group_align_safe_end:
\__xparse_grab_v_bgroup:
}
{ \__xparse_grab_v_aux_abort: }
}
}
\cs_new_protected_nopar:Npn \__xparse_grab_v_group_end:
{
\group_align_safe_end:
\exp_args:NNNo
\group_end:
\tl_set:Nn \l__xparse_v_arg_tl { \l__xparse_v_arg_tl }
}
\cs_new_protected:Npn \__xparse_grab_v_aux_test:N #1
{
\__xparse_grab_v_aux_put:N #1
\__xparse_grab_v_token_if_char:NTF #1
{
\__xparse_grab_v_aux_catcodes:
\__xparse_grab_v_aux_loop:N #1
}
{ \__xparse_grab_v_aux_abort: }
}
\cs_new_protected:Npn \__xparse_grab_v_aux_loop:N #1
{
\peek_N_type:TF
{ \__xparse_grab_v_aux_loop:NN #1 }
{ \__xparse_grab_v_aux_abort: }
}
\cs_new_protected:Npn \__xparse_grab_v_aux_loop:NN #1 #2
{
\__xparse_grab_v_token_if_char:NTF #2
{
\token_if_eq_charcode:NNTF #1 #2
{ \__xparse_grab_v_aux_loop_end: }
{
\__xparse_grab_v_aux_put:N #2
\__xparse_grab_v_aux_loop:N #1
}
}
{ \__xparse_grab_v_aux_abort: #2 }
}
\cs_new_protected_nopar:Npn \__xparse_grab_v_aux_loop_end:
{
\__xparse_grab_v_group_end:
\exp_args:Nx \__xparse_add_arg:n { \tl_tail:N \l__xparse_v_arg_tl }
\l__xparse_v_rest_of_signature_tl \l__xparse_args_tl
}
\int_new:N \l__xparse_v_nesting_int
\cs_new_protected_nopar:Npx \__xparse_grab_v_bgroup:
{
\exp_not:N \__xparse_grab_v_aux_catcodes:
\exp_not:n { \int_set_eq:NN \l__xparse_v_nesting_int \c_one }
\exp_not:N \__xparse_grab_v_aux_put:N \iow_char:N \{
\exp_not:N \__xparse_grab_v_bgroup_loop:
}
\cs_new_protected:Npn \__xparse_grab_v_bgroup_loop:
{
\peek_N_type:TF
{ \__xparse_grab_v_bgroup_loop:N }
{ \__xparse_grab_v_aux_abort: }
}
\cs_new_protected:Npn \__xparse_grab_v_bgroup_loop:N #1
{
\__xparse_grab_v_token_if_char:NTF #1
{
\token_if_eq_charcode:NNTF \c_group_end_token #1
{
\int_decr:N \l__xparse_v_nesting_int
\int_compare:nNnTF \l__xparse_v_nesting_int > \c_zero
{
\__xparse_grab_v_aux_put:N #1
\__xparse_grab_v_bgroup_loop:
}
{ \__xparse_grab_v_aux_loop_end: }
}
{
\token_if_eq_charcode:NNT \c_group_begin_token #1
{ \int_incr:N \l__xparse_v_nesting_int }
\__xparse_grab_v_aux_put:N #1
\__xparse_grab_v_bgroup_loop:
}
}
{ \__xparse_grab_v_aux_abort: #1 }
}
\cs_new_protected_nopar:Npn \__xparse_grab_v_aux_catcodes:
{
\cs_set_eq:NN \do \char_set_catcode_other:N
\dospecials
\tex_endlinechar:D = `\^^M \scan_stop:
\bool_if:NTF \l__xparse_long_bool
{ \char_set_catcode_other:n { \tex_endlinechar:D } }
{ \char_set_catcode_parameter:n { \tex_endlinechar:D } }
}
\cs_new_protected_nopar:Npn \__xparse_grab_v_aux_abort:
{
\__xparse_grab_v_group_end:
\__xparse_add_arg:o \c__xparse_no_value_tl
\exp_after:wN \__xparse_grab_v_aux_abort:w \l__xparse_args_tl \q_stop
}
\cs_new_protected:Npn \__xparse_grab_v_aux_abort:w #1 #2 \q_stop
{
\group_begin:
\char_set_lccode:nn { `\# } { \tex_endlinechar:D }
\tl_to_lowercase:n
{ \group_end: \peek_meaning_remove:NTF ## }
{
\__msg_kernel_error:nnxx { xparse } { verbatim-newline }
{ \token_to_str:N #1 }
{ \tl_to_str:N \l__xparse_v_arg_tl }
\l__xparse_v_rest_of_signature_tl \l__xparse_args_tl
}
{
\__msg_kernel_error:nnxx { xparse } { verbatim-already-tokenized }
{ \token_to_str:N #1 }
{ \tl_to_str:N \l__xparse_v_arg_tl }
\l__xparse_v_rest_of_signature_tl \l__xparse_args_tl
}
}
\cs_new_protected:Npn \__xparse_grab_v_aux_put:N #1
{
\tl_put_right:Nx \l__xparse_v_arg_tl
{
\token_if_active:NTF #1
{ \exp_not:N #1 } { \token_to_str:N #1 }
}
}
\cs_new_protected:Npn \__xparse_grab_v_token_if_char:NTF #1
{ \str_if_eq_x:nnTF { } { \str_tail:n {#1} } }
\cs_new_protected:Npn \__xparse_add_arg:n #1
{
\int_compare:nNnTF \l__xparse_processor_int = \c_zero
{ \tl_put_right:Nn \l__xparse_args_tl { {#1} } }
{
\tl_clear:N \ProcessedArgument
\__xparse_if_no_value:nTF {#1}
{
\int_zero:N \l__xparse_processor_int
\tl_put_right:Nn \l__xparse_args_tl { {#1} }
}
{ \__xparse_add_arg_aux:n {#1} }
}
}
\cs_generate_variant:Nn \__xparse_add_arg:n { V , o }
\cs_new_protected:Npn \__xparse_add_arg_aux:n #1
{
\use:c { __xparse_processor_ \int_use:N \l__xparse_processor_int :n } {#1}
\int_decr:N \l__xparse_processor_int
\int_compare:nNnTF \l__xparse_processor_int = \c_zero
{
\tl_put_right:Nx \l__xparse_args_tl
{ { \exp_not:V \ProcessedArgument } }
}
{ \__xparse_add_arg_aux:V \ProcessedArgument }
}
\cs_generate_variant:Nn \__xparse_add_arg_aux:n { V }
\cs_new:Npn \__xparse_expandable_grab_D:w #1 \q__xparse #2
{ #2 { \__xparse_expandable_grab_D:NNNnwNn #1 \q__xparse #2 } }
\cs_new:Npn \__xparse_expandable_grab_D:NNNnwNn #1#2#3#4#5 \q__xparse #6#7
{
\str_if_eq:onTF
{ #1 { } { } #7 #2 \q__xparse #3 }
{ { } { #2 } { } }
{
#1
{ \__xparse_expandable_grab_D:NNNwNnnn #1#2#3#5 \q__xparse #6 }
\q_nil { } #2 \ERROR \q__xparse \ERROR
}
{ #5 {#4} \q__xparse #6 {#7} }
}
\cs_new:Npn \__xparse_expandable_grab_D:NNNwNnnn #1#2#3#4 \q__xparse #5#6#7#8
{
\exp_args:Nof \__xparse_expandable_grab_D:nnNNNwN
{ \use_ii:nn #6 #2 }
{ \__xparse_expandable_grab_D:Nw #3 \exp_stop_f: #7 #8 }
#1#2#3 #4 \q__xparse #5
}
\cs_new:Npn \__xparse_expandable_grab_D:Nw #1#2 \ERROR \ERROR { #2 #1 }
\cs_new:Npn \__xparse_expandable_grab_D:nnNNNwN #1#2#3#4#5#6 \q__xparse #7
{
\exp_args:No \tl_if_empty:oTF
{ #3 { \use_none:nnn } #2 \q__xparse #5 #4 \q__xparse #5 }
{
\tl_if_blank:oTF { \use_none:nn #1#2 }
{ \__xparse_put_arg_expandable:ow { } }
{
\str_if_eq_x:nnTF
{ \exp_not:o { \use_none:nn #1#2 } }
{ { \exp_not:o { \use_iii:nnnn #1#2 \q_nil } } }
{ \__xparse_put_arg_expandable:ow { \use_iii:nnn #1#2 } }
{ \__xparse_put_arg_expandable:ow { \use_none:nn #1#2 } }
}
#6 \q__xparse #7
}
{
#3
{ \__xparse_expandable_grab_D:NNNwNnnn #3#4#5#6 \q__xparse #7 }
\q_nil {#1} #2 \ERROR \q__xparse \ERROR
}
}
\cs_new:Npn \__xparse_expandable_grab_D_alt:w #1 \q__xparse #2
{ #2 { \__xparse_expandable_grab_D_alt:NNnwNn #1 \q__xparse #2 } }
\cs_new:Npn \__xparse_expandable_grab_D_alt:NNnwNn #1#2#3#4 \q__xparse #5#6
{
\str_if_eq:onTF
{ #1 { } #6 #2 #2 }
{ { } #2 }
{
#1
{ \__xparse_expandable_grab_D_alt:Nwn #5 #4 \q__xparse }
#6 \ERROR
}
{ #4 {#3} \q__xparse #5 {#6} }
}
\cs_new:Npn \__xparse_expandable_grab_D_alt:Nwn #1#2 \q__xparse #3
{
\tl_if_blank:oTF { \use_none:nn #1#2 }
{ \__xparse_put_arg_expandable:ow { } }
{
\str_if_eq_x:nnTF
{ \exp_not:o { \use_none:n #3 } }
{ { \exp_not:o { \use_ii:nnn #3 \q_nil } } }
{ \__xparse_put_arg_expandable:ow { \use_ii:nn #3 } }
{ \__xparse_put_arg_expandable:ow { \use_none:n #3 } }
}
#2 \q__xparse #1
}
\cs_new:Npn \__xparse_expandable_grab_m:w #1 \q__xparse #2
{ #2 { \__xparse_expandable_grab_m_aux:wNn #1 \q__xparse #2 } }
\cs_new:Npn \__xparse_expandable_grab_m_aux:wNn #1 \q__xparse #2#3
{ #1 {#3} \q__xparse #2 }
\cs_new:Npn \__xparse_expandable_grab_R:w #1 \q__xparse #2
{ #2 { \__xparse_expandable_grab_R_aux:NNNnwNn #1 \q__xparse #2 } }
\cs_new:Npn \__xparse_expandable_grab_R_aux:NNNnwNn #1#2#3#4#5 \q__xparse #6#7
{
\str_if_eq:onTF
{ #1 { } { } #7 #2 \q__xparse #3 }
{ { } { #2 } { } }
{
#1
{ \__xparse_expandable_grab_D:NNNwNnnn #1#2#3#5 \q__xparse #6 }
\q_nil { } #2 \ERROR \q__xparse \ERROR
}
{
\__msg_kernel_expandable_error:nnn
{ xparse } { missing-required } {#2}
#5 {#4} \q__xparse #6 {#7}
}
}
\cs_new:Npn \__xparse_expandable_grab_R_alt:w #1 \q__xparse #2
{ #2 { \__xparse_expandable_grab_R_alt_aux:NNnwNn #1 \q__xparse #2 } }
\cs_new:Npn \__xparse_expandable_grab_R_alt_aux:NNnwNn #1#2#3#4 \q__xparse #5#6
{
\str_if_eq:onTF
{ #1 { } #6 #2 #2 }
{ { } #2 }
{
#1
{ \__xparse_expandable_grab_D_alt:Nwn #5 #4 \q__xparse }
#6 \ERROR
}
{
\__msg_kernel_expandable_error:nnn
{ xparse } { missing-required } {#2}
#4 {#3} \q__xparse #5 {#6}
}
}
\cs_new:Npn \__xparse_expandable_grab_t:w #1 \q__xparse #2
{ #2 { \__xparse_expandable_grab_t_aux:NNwn #1 \q__xparse #2 } }
\cs_new:Npn \__xparse_expandable_grab_t_aux:NNwn #1#2#3 \q__xparse #4#5
{
\str_if_eq:onTF { #1 { } #5 #2 } { #2 }
{ #3 { \BooleanTrue } \q__xparse #4 }
{ #3 { \BooleanFalse } \q__xparse #4 {#5} }
}
\cs_new:Npn \__xparse_put_arg_expandable:nw #1#2 \q__xparse { #2 {#1} \q__xparse }
\cs_generate_variant:Nn \__xparse_put_arg_expandable:nw { o }
\cs_new:Npn \__xparse_grab_expandable_end:wN #1 \q__xparse #2 {#1}
\cs_new_protected:Npn \__xparse_process_arg:n #1
{
\int_incr:N \l__xparse_processor_int
\cs_set:cpn { __xparse_processor_ \int_use:N \l__xparse_processor_int :n } ##1
{ #1 {##1} }
}
\cs_new_protected:Npn \__xparse_process_to_str:n #1
{ \tl_set:Nx \ProcessedArgument { \tl_to_str:n {#1} } }
\cs_new_protected:Npn \__xparse_bool_reverse:N #1
{
\bool_if:NTF #1
{ \tl_set:Nn \ProcessedArgument { \c_false_bool } }
{ \tl_set:Nn \ProcessedArgument { \c_true_bool } }
}
\seq_new:N \l__xparse_split_list_seq
\tl_new:N \l__xparse_split_list_tl
\cs_new_protected:Npn \__xparse_split_list:nn #1#2
{
\bool_if:nTF
{
\tl_if_single_p:n {#1} &&
! ( \token_if_cs_p:N #1 )
}
{ \__xparse_split_list_single:Nn #1 {#2} }
{ \__xparse_split_list_multi:nn {#1} {#2} }
}
\cs_set_protected:Npn \__xparse_split_list_multi:nn #1#2
{
\seq_set_split:Nnn \l__xparse_split_list_seq {#1} {#2}
\tl_clear:N \ProcessedArgument
\seq_map_inline:Nn \l__xparse_split_list_seq
{ \tl_put_right:Nn \ProcessedArgument { {##1} } }
}
\cs_generate_variant:Nn \__xparse_split_list_multi:nn { nV }
\group_begin:
\char_set_catcode_active:N \@
\cs_new_protected:Npn \__xparse_split_list_single:Nn #1#2
{
\tl_set:Nn \l__xparse_split_list_tl {#2}
\group_begin:
\char_set_lccode:nn { `\@ } { `#1 }
\tl_to_lowercase:n
{
\group_end:
\tl_replace_all:Nnn \l__xparse_split_list_tl { @ } {#1}
}
\__xparse_split_list_multi:nV {#1} \l__xparse_split_list_tl
}
\group_end:
\cs_new_protected:Npn \__xparse_split_argument:nnn #1#2#3
{
\__xparse_split_list:nn {#2} {#3}
\exp_args:Nf \__xparse_split_argument_aux:nnnn
{ \tl_count:N \ProcessedArgument }
{#1} {#2} {#3}
}
\cs_new_protected:Npn \__xparse_split_argument_aux:nnnn #1#2#3#4
{
\int_compare:nNnF {#1} = { #2 + \c_one }
{
\int_compare:nNnTF {#1} > { #2 + \c_one }
{
\tl_set:Nx \ProcessedArgument
{
\exp_last_unbraced:NnNo
\__xparse_split_argument_aux:n
{ #2 + \c_one }
\use_none_delimit_by_q_stop:w
\ProcessedArgument
\q_stop
}
\__msg_kernel_error:nnxxx { xparse } { split-excess-tokens }
{ \tl_to_str:n {#3} } { \int_eval:n { #2 + \c_one } }
{ \tl_to_str:n {#4} }
}
{
\tl_put_right:Nx \ProcessedArgument
{
\prg_replicate:nn { #2 + \c_one - (#1) }
{ { \exp_not:V \c__xparse_no_value_tl } }
}
}
}
}
\cs_new:Npn \__xparse_split_argument_aux:n #1
{ \prg_replicate:nn {#1} { \__xparse_split_argument_aux:wn } }
\cs_new:Npn \__xparse_split_argument_aux:wn #1 \use_none_delimit_by_q_stop:w #2
{
\exp_not:n { {#2} }
#1
\use_none_delimit_by_q_stop:w
}
\cs_new_protected:Npn \__xparse_trim_spaces:n #1
{ \tl_set:Nx \ProcessedArgument { \tl_trim_spaces:n {#1} } }
\cs_new_protected:Npn \__xparse_get_arg_spec:N #1
{
\prop_get:NnNF \l__xparse_command_arg_specs_prop {#1}
\ArgumentSpecification
{
\__msg_kernel_error:nnx { xparse } { unknown-document-command }
{ \token_to_str:N #1 }
}
}
\cs_new_protected:Npn \__xparse_get_arg_spec:n #1
{
\prop_get:NnNF \l__xparse_environment_arg_specs_prop {#1}
\ArgumentSpecification
{
\__msg_kernel_error:nnx { xparse } { unknown-document-environment }
{ \tl_to_str:n {#1} }
}
}
\tl_new:N \ArgumentSpecification
\cs_new_protected:Npn \__xparse_show_arg_spec:N #1
{
\prop_get:NnNTF \l__xparse_command_arg_specs_prop {#1}
\ArgumentSpecification
{ \tl_show:N \ArgumentSpecification }
{
\__msg_kernel_error:nnx { xparse } { unknown-document-command }
{ \token_to_str:N #1 }
}
}
\cs_new_protected:Npn \__xparse_show_arg_spec:n #1
{
\prop_get:NnNTF \l__xparse_environment_arg_specs_prop {#1}
\ArgumentSpecification
{ \tl_show:N \ArgumentSpecification }
{
\__msg_kernel_error:nnx { xparse } { unknown-document-environment }
{ \tl_to_str:n {#1} }
}
}
\group_begin:
\char_set_lccode:nn { `\Q } { `\- }
\char_set_lccode:nn { `\F } { `\F }
\char_set_lccode:nn { `\N } { `\N }
\char_set_lccode:nn { `\T } { `\T }
\char_set_lccode:nn { `\V } { `\V }
\tl_to_lowercase:n
{
\group_end:
\prg_new_conditional:Npnn \__xparse_if_no_value:n #1 { T , F , TF }
{
\str_if_eq:onTF
{ \__xparse_if_value_aux:w ? #1 { } QNoValue- }
{ ? { } QNoValue- }
{ \prg_return_true: }
{ \prg_return_false: }
}
\cs_new:Npn \__xparse_if_value_aux:w #1 QNoValue- { #1 }
}
\__msg_kernel_new:nnnn { xparse } { bad-arg-spec }
{ Bad~argument~specification~'#1'. }
{
\c_msg_coding_error_text_tl
The~argument~specification~provided~was~not~valid:~
one~or~more~mandatory~pieces~of~information~were~missing. \\ \\
LaTeX~will~ignore~this~entire~definition.
}
\__msg_kernel_new:nnnn { xparse } { command-already-defined }
{ Command~'#1'~already~defined! }
{
You~have~used~\NewDocumentCommand
with~a~command~that~already~has~a~definition. \\
The~existing~definition~of~'#1'~will~be~overwritten.
}
\__msg_kernel_new:nnnn { xparse } { command-not-yet-defined }
{ Command ~'#1'~not~yet~defined! }
{
You~have~used~\RenewDocumentCommand
with~a~command~that~was~never~defined.\\
A~new~command~'#1'~will~be~created.
}
\__msg_kernel_new:nnnn { xparse } { environment-already-defined }
{ Environment~'#1'~already~defined! }
{
You~have~used~\NewDocumentEnvironment
with~an~environment~that~already~has~a~definition.\\
The~existing~definition~of~'#1'~will~be~overwritten.
}
\__msg_kernel_new:nnnn { xparse } { environment-mismatch }
{ Mismatch~between~start~and~end~of~environment. }
{
The~current~environment~is~called~'#1',~but~you~have~tried~to~
end~one~called~'#2'.~Environments~have~to~be~properly~nested.
}
\__msg_kernel_new:nnnn { xparse } { environment-not-yet-defined }
{ Environment~'#1'~not~yet~defined! }
{
You~have~used~\RenewDocumentEnvironment
with~an~environment~that~was~never~defined.\\
A~new~environment~'#1'~will~be~created.
}
\__msg_kernel_new:nnnn { xparse } { environment-unknown }
{ Environment~'#1'~undefined. }
{
You~have~tried~to~start~an~environment~called~'#1',~
but~this~has~never~been~defined.\\
The~command~will~be~ignored.
}
\__msg_kernel_new:nnnn { xparse } { expandable-ending-optional }
{ Argument~specification~for~expandable~command~ends~with~optional~argument. }
{
\c_msg_coding_error_text_tl
Expandable~commands~must~have~a~final~mandatory~argument~
(or~no~arguments~at~all).~You~cannot~have~a~terminal~optional~
argument~with~expandable~commands.
}
\__msg_kernel_new:nnnn { xparse } { inconsistent-long }
{ Inconsistent~long~arguments~for~expandable~command. }
{
\c_msg_coding_error_text_tl
The~arguments~for~an~expandable~command~must~either~all~be~
short~or~all~be~long.~You~have~tried~to~mix~the~two~types.
}
\__msg_kernel_new:nnnn { xparse } { invalid-expandable-argument-type }
{ Argument~type~'#1'~not~available~for~an~expandable~function. }
{
\c_msg_coding_error_text_tl
The~letter~'#1'~does~not~specify~an~argument~type~which~can~be~used~
in~an~expandable~function.
\\ \\
LaTeX~will~assume~you~want~a~standard~mandatory~argument~(type~'m').
}
\__msg_kernel_new:nnnn { xparse } { missing-required }
{ Failed~to~find~required~argument~starting~with~'#1'. }
{
There~is~supposed~to~be~an~argument~to~the~current~function~starting~with~
'#1'.~LaTeX~did~not~find~it,~and~will~insert~'#2'~as~the~value~to~be~
processed.
}
\__msg_kernel_new:nnnn { xparse } { not-single-token }
{ Argument~delimiter~should~be~a~single~token:~'#1'. }
{
\c_msg_coding_error_text_tl
The~argument~specification~provided~was~not~valid:~
in~a~place~where~a~single~token~is~required,~LaTeX~found~'#1'. \\ \\
LaTeX~will~ignore~this~entire~definition.
}
\__msg_kernel_new:nnnn { xparse } { processor-in-expandable }
{ Argument~processors~cannot~be~used~with~expandable~functions. }
{
\c_msg_coding_error_text_tl
The~argument~specification~for~#1~contains~a~processor~function:~
this~is~only~supported~for~standard~robust~functions.
}
\__msg_kernel_new:nnnn { xparse } { split-excess-tokens }
{ Too~many~'#1'~tokens~when~trying~to~split~argument. }
{
LaTeX~was~asked~to~split~the~input~'#3'~
at~each~occurrence~of~the~token~'#1',~up~to~a~maximum~of~#2~parts.~
There~were~too~many~'#1'~tokens.
}
\__msg_kernel_new:nnnn { xparse } { unknown-argument-type }
{ Unknown~argument~type~'#1'~replaced~by~'m'. }
{
\c_msg_coding_error_text_tl
The~letter~'#1'~does~not~specify~a~known~argument~type.~
LaTeX~will~assume~you~want~a~standard~mandatory~argument~(type~'m').
}
\__msg_kernel_new:nnnn { xparse } { unknown-document-command }
{ Unknown~document~command~'#1'. }
{
You~have~asked~for~the~argument~specification~for~a~command~'#1',~
but~this~is~not~a~document~command.
}
\__msg_kernel_new:nnnn { xparse } { unknown-document-environment }
{ Unknown~document~environment~'#1'. }
{
You~have~asked~for~the~argument~specification~for~a~command~'#1',~
but~this~is~not~a~document~environment.
}
\__msg_kernel_new:nnnn { xparse } { verbatim-newline }
{ Verbatim~argument~of~#1~ended~by~end~of~line. }
{
The~verbatim~argument~of~#1~cannot~contain~more~than~one~line,~but~the~end~
of~the~current~line~has~been~reached.~You~have~probably~forgotten~the~
closing~delimiter.
\\ \\
LaTeX~will~ignored~'#2'.
}
\__msg_kernel_new:nnnn { xparse } { verbatim-already-tokenized }
{ Verbatim~command~#1~illegal~in~command~argument. }
{
The~command~#1~takes~a~verbatim~argument.~It~may~not~appear~within~
the~argument~of~another~function.
\\ \\
LaTeX~will~ignore~'#2'.
}
\__msg_kernel_new:nnn { xparse } { define-command }
{
Defining~document~command~#1~
with~arg.~spec.~'#2'~\msg_line_context:.
}
\__msg_kernel_new:nnn { xparse } { define-environment }
{
Defining~document~environment~'#1'~
with~arg.~spec.~'#2'~\msg_line_context:.
}
\__msg_kernel_new:nnn { xparse } { redefine-command }
{
Redefining~document~command~#1~
with~arg.~spec.~'#2'~\msg_line_context:.
}
\__msg_kernel_new:nnn { xparse } { redefine-environment }
{
Redefining~document~environment~'#1'~
with~arg.~spec.~'#2'~\msg_line_context:.
}
\cs_new_eq:NN \BooleanFalse \c_false_bool
\cs_new_eq:NN \BooleanTrue \c_true_bool
\cs_new_protected:Npn \DeclareDocumentCommand #1#2#3
{ \__xparse_declare_cmd:Nnn #1 {#2} {#3} }
\cs_new_protected:Npn \NewDocumentCommand #1#2#3
{
\cs_if_exist:NTF #1
{
\__msg_kernel_error:nnx { xparse } { command-already-defined }
{ \token_to_str:N #1 }
}
{ \__xparse_declare_cmd:Nnn #1 {#2} {#3} }
}
\cs_new_protected:Npn \RenewDocumentCommand #1#2#3
{
\cs_if_exist:NTF #1
{ \__xparse_declare_cmd:Nnn #1 {#2} {#3} }
{
\__msg_kernel_error:nnx { xparse } { command-not-yet-defined }
{ \token_to_str:N #1 }
}
}
\cs_new_protected:Npn \ProvideDocumentCommand #1#2#3
{ \cs_if_exist:NF #1 { \__xparse_declare_cmd:Nnn #1 {#2} {#3} } }
\cs_new_protected:Npn \DeclareDocumentEnvironment #1#2#3#4
{ \__xparse_declare_env:nnnn {#1} {#2} {#3} {#4} }
\cs_new_protected:Npn \NewDocumentEnvironment #1#2#3#4
{
\cs_if_exist:cTF {#1}
{ \__msg_kernel_error:nnx { xparse } { environment-already-defined } {#1} }
{ \__xparse_declare_env:nnnn {#1} {#2} {#3} {#4} }
}
\cs_new_protected:Npn \RenewDocumentEnvironment #1#2#3#4
{
\cs_if_exist:cTF {#1}
{ \__xparse_declare_env:nnnn {#1} {#2} {#3} {#4} }
{ \__msg_kernel_error:nnx { xparse } { environment-not-yet-defined } {#1} }
}
\cs_new_protected:Npn \ProvideDocumentEnvironment #1#2#3#4
{ \cs_if_exist:cF { #1 } { \__xparse_declare_env:nnnn {#1} {#2} {#3} {#4} } }
\cs_new_protected:Npn \DeclareExpandableDocumentCommand #1#2#3
{ \__xparse_declare_expandable_cmd:Nnn #1 {#2} {#3} }
\cs_new_eq:NN \IfBooleanTF \bool_if:NTF
\cs_new_eq:NN \IfBooleanT \bool_if:NT
\cs_new_eq:NN \IfBooleanF \bool_if:NF
\cs_new_eq:NN \IfNoValueF \__xparse_if_no_value:nF
\cs_new_eq:NN \IfNoValueT \__xparse_if_no_value:nT
\cs_new_eq:NN \IfNoValueTF \__xparse_if_no_value:nTF
\cs_set:Npn \IfValueF { \__xparse_if_no_value:nT }
\cs_set:Npn \IfValueT { \__xparse_if_no_value:nF }
\cs_set:Npn \IfValueTF #1#2#3 { \__xparse_if_no_value:nTF {#1} {#3} {#2} }
\tl_new:N \ProcessedArgument
\cs_new_eq:NN \ReverseBoolean \__xparse_bool_reverse:N
\cs_new_eq:NN \SplitArgument \__xparse_split_argument:nnn
\cs_new_eq:NN \SplitList \__xparse_split_list:nn
\cs_new_eq:NN \TrimSpaces \__xparse_trim_spaces:n
\cs_new_eq:NN \ProcessList \tl_map_function:nN
\cs_new_eq:NN \GetDocumentCommandArgSpec \__xparse_get_arg_spec:N
\cs_new_eq:NN \GetDocumentEnvironmmentArgSpec \__xparse_get_arg_spec:n
\cs_new_eq:NN \ShowDocumentCommandArgSpec \__xparse_show_arg_spec:N
\cs_new_eq:NN \ShowDocumentEnvironmentArgSpec \__xparse_show_arg_spec:n
\clist_new:N \l__xparse_options_clist
\DeclareOption* { \clist_put_right:NV \l__xparse_options_clist \CurrentOption }
\ProcessOptions \relax
\keys_define:nn { xparse }
{
log-declarations .bool_set:N = \l__xparse_log_bool ,
log-declarations .initial:n = true
}
\keys_set:nV { xparse } \l__xparse_options_clist
\bool_if:NF \l__xparse_log_bool
{
\msg_redirect_module:nnn { LaTeX / xparse } { info } { none }
\msg_redirect_module:nnn { LaTeX / xparse } { warning } { none }
}
%%
%%
%% End of file `xparse.sty'.
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