| Current File : //usr/share/texlive/texmf-dist/tex/latex/l3packages/xparse/xparse-generic.tex |
%%
%% This is file `xparse-generic.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% xparse.dtx (with options: `core')
%%
%% Copyright (C) 2009-2021 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: xparse.dtx
\if_charcode:w xx
\cs_gset:Npn \__xparse_file_end_hook: { }
\else
\ExplSyntaxOn
\cs_gset:Npn \__xparse_file_end_hook: { \ExplSyntaxOff }
\fi:
\cs_if_exist:NT \NewDocumentCommand
{ \file_input_stop: }
\tl_new:N \l__xparse_arg_spec_tl
\tl_new:N \l__xparse_args_tl
\tl_new:N \l__xparse_args_i_tl
\tl_new:N \l__xparse_args_ii_tl
\int_new:N \l__xparse_current_arg_int
\bool_new:N \l__xparse_defaults_bool
\tl_new:N \l__xparse_defaults_tl
\bool_new:N \l__xparse_environment_bool
\str_new:N \l__xparse_environment_str
\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 )
}
\int_new:N \g__xparse_grabber_int
\tl_new:N \l__xparse_fn_tl
\tl_new:N \l__xparse_fn_code_tl
\tl_new:N \l__xparse_function_tl
\bool_new:N \l__xparse_grab_expandably_bool
\bool_new:N \l__xparse_obey_spaces_bool
\tl_new:N \l__xparse_last_delimiters_tl
\bool_new:N \l__xparse_long_bool
\int_new:N \l__xparse_m_args_int
\bool_new:N \l__xparse_prefixed_bool
\tl_new:N \l__xparse_process_all_tl
\tl_new:N \l__xparse_process_one_tl
\bool_new:N \l__xparse_process_some_bool
\tl_new:N \l__xparse_saved_args_tl
\tl_new:N \l__xparse_signature_tl
\bool_new:N \l__xparse_some_obey_spaces_bool
\bool_new:N \l__xparse_some_long_bool
\bool_new:N \l__xparse_some_short_bool
\prop_new:N \l__xparse_tmp_prop
\tl_new:N \l__xparse_tmpa_tl
\tl_new:N \l__xparse_tmpb_tl
\cs_new_eq:NN \__xparse_tmp:w ?
\cs_new_protected:Npn \__xparse_declare_cmd:Nnn
{
\bool_set_false:N \l__xparse_expandable_bool
\__xparse_declare_cmd_aux:Nnn
}
\cs_new_protected: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#3
{
\cs_if_exist:NTF #1
{
\__kernel_msg_info:nnxx { xparse } { redefine-command }
{ \token_to_str:N #1 } { \tl_to_str:n {#2} }
}
{
\bool_lazy_or:nnT
{ \cs_if_exist_p:c { \cs_to_str:N #1 ~ code } }
{ \cs_if_exist_p:c { \cs_to_str:N #1 ~ defaults } }
{
\__kernel_msg_warning:nnx { xparse } { unsupported-let }
{ \token_to_str:N #1 }
}
\__kernel_msg_info:nnxx { xparse } { define-command }
{ \token_to_str:N #1 } { \tl_to_str:n {#2} }
}
\bool_set_false:N \l__xparse_environment_bool
\__xparse_declare_cmd_internal:Nnnn #1 {#2} {#3} { }
}
\cs_new_protected:Npn \__xparse_declare_cmd_internal:Nnnn #1#2#3#4
{
\tl_set:Nx \l__xparse_function_tl { \cs_to_str:N #1 }
\tl_set:Nx \l__xparse_fn_tl
{ \exp_not:c { \l__xparse_function_tl \c_space_tl } }
\__xparse_normalize_arg_spec:n {#2}
\exp_args:No \__xparse_prepare_signature:n \l__xparse_arg_spec_tl
\__xparse_declare_cmd_code:Nnn #1 {#2} {#3}
#4
\__xparse_break_point:n {#2}
}
\cs_generate_variant:Nn \__xparse_declare_cmd_internal:Nnnn { cnx }
\cs_new_eq:NN \__xparse_break_point:n \use_none:n
\cs_new_protected:Npn \__xparse_declare_cmd_code:Nnn
{
\bool_if:NTF \l__xparse_grab_expandably_bool
{ \__xparse_declare_cmd_code_expandable:Nnn }
{ \__xparse_declare_cmd_code_aux:Nnn }
}
\cs_new_protected:Npn \__xparse_declare_cmd_code_aux:Nnn #1#2#3
{
\cs_generate_from_arg_count:cNnn
{ \l__xparse_function_tl \c_space_tl code }
\cs_set_protected:Npn \l__xparse_current_arg_int {#3}
\cs_set_protected_nopar:Npx #1
{
\bool_if:NTF \l__xparse_environment_bool
{
\__xparse_start_env:nnnnn { \exp_not:n {#2} }
{ \l__xparse_environment_str }
}
{
\__xparse_start:nNNnnn { \exp_not:n {#2} }
\exp_not:c { \l__xparse_function_tl \c_space_tl }
\exp_not:c { \l__xparse_function_tl \c_space_tl code }
}
{ \exp_not:o \l__xparse_signature_tl }
{
\bool_if:NT \l__xparse_defaults_bool
{ \exp_not:o \l__xparse_defaults_tl }
}
{
\bool_if:NT \l__xparse_process_some_bool
{ \exp_not:o \l__xparse_process_all_tl }
}
}
}
\cs_new_protected:Npn \__xparse_declare_cmd_code_expandable:Nnn #1#2#3
{
\exp_args:Ncc \cs_generate_from_arg_count:NNnn
{ \l__xparse_function_tl \c_space_tl code }
{ cs_set \bool_if:NF \l__xparse_expandable_bool { _protected } :Npn }
\l__xparse_current_arg_int {#3}
\bool_if:NT \l__xparse_defaults_bool
{
\use:x
{
\cs_generate_from_arg_count:cNnn
{ \l__xparse_function_tl \c_space_tl defaults }
\cs_set:Npn \l__xparse_current_arg_int
{ \exp_not:o \l__xparse_defaults_tl }
}
}
\bool_if:NTF \l__xparse_expandable_bool
{ \cs_set_nopar:Npx } { \cs_set_protected_nopar:Npx } #1
{
\exp_not:N \__xparse_start_expandable:nNNNNn
{ \exp_not:n {#2} }
\exp_not:c { \l__xparse_function_tl \c_space_tl }
\exp_not:c
{
\l__xparse_function_tl \c_space_tl
\bool_if:NT \l__xparse_some_short_bool
{ \bool_if:NT \l__xparse_some_long_bool { \c_space_tl } }
}
\exp_not:c { \l__xparse_function_tl \c_space_tl code }
\bool_if:NTF \l__xparse_defaults_bool
{ \exp_not:c { \l__xparse_function_tl \c_space_tl defaults } }
{ ? }
{ \exp_not:o \l__xparse_signature_tl }
}
\bool_if:NTF \l__xparse_some_long_bool
{
\bool_if:NT \l__xparse_some_short_bool
{
\cs_set_nopar:cpx { \l__xparse_function_tl \c_space_tl \c_space_tl }
##1##2 { ##1 {##2} }
}
\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
{
\str_set:Nx \l__xparse_environment_str {#1}
\str_set:Nx \l__xparse_environment_str
{ \tl_trim_spaces:o { \l__xparse_environment_str } }
\cs_if_exist:cTF { \l__xparse_environment_str }
{
\__kernel_msg_info:nnxx { xparse } { redefine-environment }
{ \l__xparse_environment_str } { \tl_to_str:n {#2} }
}
{
\__kernel_msg_info:nnxx { xparse } { define-environment }
{ \l__xparse_environment_str } { \tl_to_str:n {#2} }
}
\bool_set_false:N \l__xparse_expandable_bool
\bool_set_true:N \l__xparse_environment_bool
\exp_args:NV \__xparse_declare_env_internal:nnnn
\l__xparse_environment_str {#2}
}
\cs_new_protected:Npn \__xparse_declare_env_internal:nnnn #1#2#3#4
{
\__xparse_declare_cmd_internal:cnxn { environment~ #1 } {#2}
{
\cs_set_nopar:Npx \exp_not:c { environment~ #1 ~end~aux }
{
\exp_not:N \exp_not:N \exp_not:c { environment~ #1~end~aux~ }
\exp_not:n { \exp_not:o \l__xparse_args_tl }
}
\exp_not:n {#3}
}
{
\cs_set_nopar:cpx { environment~ #1 ~end }
{ \exp_not:c { environment~ #1 ~end~aux } }
\cs_generate_from_arg_count:cNnn
{ environment~ #1 ~end~aux~ } \cs_set: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_start_env:nnnnn #1#2
{
\cs_if_exist_use:N \conditionally@traceoff
\group_align_safe_begin:
\str_set:Nn \l__xparse_environment_str {#2}
\bool_set_true:N \l__xparse_environment_bool
\__xparse_start_aux:ccnnnn
{ environment~ \l__xparse_environment_str \c_space_tl }
{ environment~ \l__xparse_environment_str \c_space_tl code }
{#1}
}
\cs_new_protected:Npx \__xparse_start:nNNnnn #1#2#3
{
\exp_not:c { xparse~function~is~not~expandable }
\exp_not:n { \cs_if_exist_use:N \conditionally@traceoff }
\exp_not:N \group_align_safe_begin:
\exp_not:n { \bool_set_false:N \l__xparse_environment_bool }
\exp_not:N \__xparse_start_aux:NNnnnn
#2 #3 {#1}
}
\cs_new_protected:Npn \__xparse_start_aux:NNnnnn #1#2#3#4#5#6
{
\tl_clear:N \l__xparse_args_tl
\tl_set:Nn \l__xparse_fn_tl {#1}
\tl_set:Nn \l__xparse_fn_code_tl {#2}
\tl_set:Nn \l__xparse_defaults_tl {#5}
\tl_set:Nn \l__xparse_process_all_tl {#6}
#4 \__xparse_run_code:
}
\cs_generate_variant:Nn \__xparse_start_aux:NNnnnn { cc }
\cs_new_protected:Npn \__xparse_run_code:
{
\tl_if_empty:NF \l__xparse_defaults_tl { \__xparse_defaults: }
\tl_if_empty:NF \l__xparse_process_all_tl { \__xparse_args_process: }
\group_align_safe_end:
\cs_if_exist_use:N \conditionally@traceon
\exp_after:wN \l__xparse_fn_code_tl \l__xparse_args_tl
}
\cs_new_protected:Npn \__xparse_defaults:
{
\__xparse_defaults_def:
\tl_set_eq:NN \l__xparse_args_i_tl \l__xparse_args_tl
\__xparse_defaults_aux: \__xparse_defaults_aux: \__xparse_defaults_aux:
\__xparse_defaults_aux: \__xparse_defaults_aux: \__xparse_defaults_aux:
\__xparse_defaults_aux: \__xparse_defaults_aux: \__xparse_defaults_aux:
\__xparse_defaults_error:w
\q_recursion_stop
\tl_set_eq:NN \l__xparse_args_tl \l__xparse_args_i_tl
}
\cs_new_protected:Npn \__xparse_defaults_aux:
{
\tl_set:Nx \l__xparse_args_ii_tl
{ \exp_after:wN \__xparse_tmp:w \l__xparse_args_i_tl }
\tl_if_eq:NNT \l__xparse_args_ii_tl \l__xparse_args_i_tl
{ \use_none_delimit_by_q_recursion_stop:w }
\tl_set_eq:NN \l__xparse_args_i_tl \l__xparse_args_ii_tl
}
\cs_new_protected:Npn \__xparse_defaults_error:w \q_recursion_stop
{
\__kernel_msg_error:nnx { xparse } { loop-in-defaults }
{ \__xparse_environment_or_command: }
}
\cs_new_protected:Npn \__xparse_defaults_def:
{
\tl_clear:N \l__xparse_tmpa_tl
\int_zero:N \l__xparse_current_arg_int
\__xparse_tl_mapthread_function:NNN \l__xparse_args_tl \l__xparse_defaults_tl
\__xparse_defaults_def:nn
\cs_generate_from_arg_count:NNVo \__xparse_tmp:w \cs_set:Npn
\l__xparse_current_arg_int \l__xparse_tmpa_tl
}
\cs_generate_variant:Nn \cs_generate_from_arg_count:NNnn { NNVo }
\cs_new_protected:Npn \__xparse_defaults_def:nn
{
\int_incr:N \l__xparse_current_arg_int
\exp_args:NV \__xparse_defaults_def:nnn \l__xparse_current_arg_int
}
\cs_new_protected:Npn \__xparse_defaults_def:nnn #1#2#3
{
\tl_put_right:Nx \l__xparse_tmpa_tl
{
{
\exp_not:N \exp_not:n
{
\tl_if_novalue:nTF {#2}
{ \exp_not:o {#3} }
{ \exp_not:n { ## #1 } }
}
}
}
}
\cs_new_protected:Npn \__xparse_args_process:
{
\tl_clear:N \l__xparse_args_ii_tl
\__xparse_tl_mapthread_function:NNN
\l__xparse_args_tl
\l__xparse_process_all_tl
\__xparse_args_process_loop:nn
\tl_set_eq:NN \l__xparse_args_tl \l__xparse_args_ii_tl
}
\cs_new_protected:Npn \__xparse_args_process_loop:nn #1#2
{
\tl_set:Nn \ProcessedArgument {#1}
\tl_if_novalue:nF {#1}
{ \tl_map_function:nN {#2} \__xparse_args_process_aux:n }
\tl_put_right:No \l__xparse_args_ii_tl
{ \exp_after:wN { \ProcessedArgument } }
}
\cs_new_protected:Npn \__xparse_args_process_aux:n #1
{
\cs_generate_from_arg_count:NNnn \__xparse_tmp:w \cs_set:Npn
{ \tl_count:N \l__xparse_args_tl } {#1}
\exp_args:NNNo \exp_after:wN \__xparse_tmp:w \l__xparse_args_tl
{ \ProcessedArgument }
}
\cs_new:Npn \__xparse_start_expandable:nNNNNn #1#2#3#4#5#6
{
\group_align_safe_begin:
#6 \__xparse_end_expandable:NNw #5 #4 \q__xparse #2#3
}
\cs_new:Npn \__xparse_end_expandable:NNw #1#2
{ \__xparse_end_expandable_aux:w #1#2 \prg_do_nothing: }
\cs_new:Npn \__xparse_end_expandable_aux:w #1#2#3 \q__xparse
{ \exp_args:No \__xparse_end_expandable_aux:nNNNN {#3} #1 #2 }
\cs_new:Npn \__xparse_end_expandable_aux:nNNNN #1#2#3#4#5
{
\token_if_eq_charcode:NNT ? #2 { \exp_after:wN \use_iv:nnnn }
\__xparse_end_expandable_defaults:nnnNNn {#1} { } {#1} #2#3
{ } { } { } { } { } { } { } { } { } { }
{
\__kernel_msg_expandable_error:nnf
{ xparse } { loop-in-defaults }
{ \exp_args:Nf \tl_trim_spaces:n { \token_to_str:N #4 } }
\use_iv:nnnn
}
\q_stop
}
\cs_new:Npn \__xparse_end_expandable_defaults:nnnNNn #1#2#3#4#5#6
{
#6
\str_if_eq:nnTF {#1} {#2}
{ \use_i_delimit_by_q_stop:nw { \group_align_safe_end: #5 #1 } }
{
\exp_args:No \__xparse_tl_mapthread_function:nnN
{ #4 #1 } {#3}
\__xparse_end_expandable_defaults:nnw
\__xparse_end_expandable_defaults:nnnNNn { } {#1} {#3} #4 #5
}
}
\cs_new:Npn \__xparse_end_expandable_defaults:nnw #1#2
{
\tl_if_novalue:nTF {#2}
{ \exp_args:No \__xparse_end_expandable_defaults:nw {#1} }
{ \__xparse_end_expandable_defaults:nw {#2} }
}
\cs_new:Npn \__xparse_end_expandable_defaults:nw
#1#2 \__xparse_end_expandable_defaults:nnnNNn #3
{ #2 \__xparse_end_expandable_defaults:nnnNNn { #3 {#1} } }
\cs_new_protected:Npn \__xparse_normalize_arg_spec:n #1
{
\int_zero:N \l__xparse_current_arg_int
\tl_clear:N \l__xparse_last_delimiters_tl
\tl_clear:N \l__xparse_arg_spec_tl
\bool_set_true:N \l__xparse_grab_expandably_bool
\bool_set_false:N \l__xparse_obey_spaces_bool
\bool_set_false:N \l__xparse_long_bool
\bool_set_false:N \l__xparse_some_obey_spaces_bool
\bool_set_false:N \l__xparse_some_long_bool
\bool_set_false:N \l__xparse_some_short_bool
\__xparse_normalize_arg_spec_loop:n #1
\q_recursion_tail \q_recursion_tail \q_recursion_tail \q_recursion_stop
\int_compare:nNnT \l__xparse_current_arg_int > 9
{
\__kernel_msg_error:nnxx { xparse } { too-many-arguments }
{ \__xparse_environment_or_command: } { \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
\bool_if:NT \l__xparse_expandable_bool
{
\tl_if_empty:NF \l__xparse_last_delimiters_tl
{
\__kernel_msg_error:nnxx { xparse } { expandable-ending-optional }
{ \iow_char:N \\ \l__xparse_function_tl } { \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
}
\bool_if:NT \l__xparse_expandable_bool
{ \bool_set_true:N \l__xparse_grab_expandably_bool }
\bool_if:NT \l__xparse_environment_bool
{ \bool_set_false:N \l__xparse_grab_expandably_bool }
}
\cs_new_protected:Npn \__xparse_normalize_arg_spec_loop:n #1
{
\quark_if_recursion_tail_stop:n {#1}
\int_incr:N \l__xparse_current_arg_int
\cs_if_exist_use:cF { __xparse_normalize_type_ \tl_to_str:n {#1} :w }
{
\bool_lazy_any:nTF
{
{ \str_if_eq_p:nn {#1} { G } }
{ \str_if_eq_p:nn {#1} { g } }
{ \str_if_eq_p:nn {#1} { l } }
{ \str_if_eq_p:nn {#1} { u } }
}
{
\__kernel_msg_error:nnxx { xparse } { xparse-argument-type }
{ \__xparse_environment_or_command: } { \tl_to_str:n {#1} }
}
{
\__kernel_msg_error:nnxx { xparse } { unknown-argument-type }
{ \__xparse_environment_or_command: } { \tl_to_str:n {#1} }
}
\__xparse_bad_def:wn
}
}
\cs_set_protected:Npn \__xparse_tmp:w #1
{
\cs_new_protected:Npn \__xparse_normalize_type_d:w ##1##2
{
\quark_if_recursion_tail_stop_do:nn {##2} { \__xparse_bad_arg_spec:wn }
\__xparse_normalize_type_D:w {##1} {##2} {#1}
}
\cs_new_protected:Npn \__xparse_normalize_type_e:w ##1
{
\quark_if_recursion_tail_stop_do:nn {##1} { \__xparse_bad_arg_spec:wn }
\__xparse_normalize_type_E:w {##1} { }
}
\cs_new_protected:Npn \__xparse_normalize_type_o:w
{ \__xparse_normalize_type_D:w [ ] {#1} }
\cs_new_protected:Npn \__xparse_normalize_type_O:w
{ \__xparse_normalize_type_D:w [ ] }
\cs_new_protected:Npn \__xparse_normalize_type_r:w ##1##2
{
\quark_if_recursion_tail_stop_do:nn {##2} { \__xparse_bad_arg_spec:wn }
\__xparse_normalize_type_R:w {##1} {##2} {#1}
}
\cs_new_protected:Npn \__xparse_normalize_type_s:w
{ \__xparse_normalize_type_t:w * }
}
\exp_args:No \__xparse_tmp:w { \c_novalue_tl }
\cs_new_protected:cpn { __xparse_normalize_type_>:w } #1#2
{
\quark_if_recursion_tail_stop_do:nn {#2} { \__xparse_bad_arg_spec:wn }
\bool_if:NT \l__xparse_expandable_bool
{
\__kernel_msg_error:nnxx { xparse } { processor-in-expandable }
{ \iow_char:N \\ \l__xparse_function_tl } { \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
\tl_put_right:Nx \l__xparse_arg_spec_tl { > { \tl_trim_spaces:n {#1} } }
\int_decr:N \l__xparse_current_arg_int
\bool_set_false:N \l__xparse_grab_expandably_bool
\__xparse_normalize_arg_spec_loop:n {#2}
}
\cs_new_protected:cpn { __xparse_normalize_type_+:w } #1
{
\quark_if_recursion_tail_stop_do:nn {#1} { \__xparse_bad_arg_spec:wn }
\bool_if:NT \l__xparse_long_bool
{
\__kernel_msg_error:nnxx { xparse } { two-markers }
{ \__xparse_environment_or_command: } { + }
\__xparse_bad_def:wn
}
\bool_set_true:N \l__xparse_long_bool
\int_decr:N \l__xparse_current_arg_int
\__xparse_normalize_arg_spec_loop:n {#1}
}
\cs_new_protected:cpn { __xparse_normalize_type_!:w } #1
{
\quark_if_recursion_tail_stop_do:nn {#1} { \__xparse_bad_arg_spec:wn }
\bool_if:NT \l__xparse_obey_spaces_bool
{
\__kernel_msg_error:nnxx { xparse } { two-markers }
{ \__xparse_environment_or_command: } { ! }
\__xparse_bad_def:wn
}
\bool_set_true:N \l__xparse_obey_spaces_bool
\bool_set_true:N \l__xparse_some_obey_spaces_bool
\int_decr:N \l__xparse_current_arg_int
\__xparse_normalize_arg_spec_loop:n {#1}
}
\cs_new_protected:Npn \__xparse_normalize_type_D:w #1#2#3
{
\quark_if_recursion_tail_stop_do:nn {#3} { \__xparse_bad_arg_spec:wn }
\__xparse_single_token_check:n {#1} \__xparse_allowed_token_check:N #1
\__xparse_single_token_check:n {#2}
\__xparse_add_arg_spec:n { D #1 #2 {#3} }
\tl_put_right:Nn \l__xparse_last_delimiters_tl {#1}
\bool_set_false:N \l__xparse_grab_expandably_bool
\__xparse_normalize_arg_spec_loop:n
}
\cs_new_protected:Npn \__xparse_normalize_type_E:w #1#2
{
\quark_if_recursion_tail_stop_do:nn {#2} { \__xparse_bad_arg_spec:wn }
\tl_if_blank:nT {#1} { \__xparse_bad_arg_spec:wn }
\tl_map_function:nN {#1} \__xparse_single_token_check:n
\tl_map_function:nN {#1} \__xparse_allowed_token_check:N
\__xparse_normalize_E_unique_check:w #1 \q_nil \q_stop
\int_compare:nNnT { \tl_count:n {#2} } > { \tl_count:n {#1} }
{ \__xparse_bad_arg_spec:wn }
\__xparse_add_arg_spec:n { E {#1} {#2} }
\tl_put_right:Nn \l__xparse_last_delimiters_tl {#1}
\bool_set_false:N \l__xparse_grab_expandably_bool
\int_add:Nn \l__xparse_current_arg_int { \tl_count:n {#1} - 1 }
\__xparse_normalize_arg_spec_loop:n
}
\cs_new_protected:Npn \__xparse_normalize_E_unique_check:w #1#2 \q_stop
{
\quark_if_nil:NF #1
{
\tl_if_in:nnT {#2} {#1} { \__xparse_bad_arg_spec:wn }
\__xparse_normalize_E_unique_check:w #2 \q_stop
}
}
\cs_new_protected:Npn \__xparse_normalize_type_t:w #1
{
\quark_if_recursion_tail_stop_do:Nn #1 { \__xparse_bad_arg_spec:wn }
\__xparse_single_token_check:n {#1} \__xparse_allowed_token_check:N #1
\tl_put_right:Nx \l__xparse_arg_spec_tl
{
\bool_if:NT \l__xparse_obey_spaces_bool { ! }
t \exp_not:n {#1}
}
\tl_put_right:Nn \l__xparse_last_delimiters_tl {#1}
\bool_set_false:N \l__xparse_grab_expandably_bool
\bool_set_false:N \l__xparse_obey_spaces_bool
\bool_set_false:N \l__xparse_long_bool
\__xparse_normalize_arg_spec_loop:n
}
\cs_new_protected:Npn \__xparse_normalize_type_m:w
{
\__xparse_delimiter_check:nnn { } { m } { \iow_char:N \{ }
\__xparse_add_arg_spec_mandatory:n { m }
\__xparse_normalize_arg_spec_loop:n
}
\cs_new_protected:Npn \__xparse_normalize_type_R:w #1#2#3
{
\quark_if_recursion_tail_stop_do:nn {#3} { \__xparse_bad_arg_spec:wn }
\__xparse_single_token_check:n {#1} \__xparse_allowed_token_check:N #1
\__xparse_single_token_check:n {#2}
\__xparse_delimiter_check:nnn {#1} { R/r } { \tl_to_str:n {#1} }
\bool_set_false:N \l__xparse_grab_expandably_bool
\__xparse_add_arg_spec_mandatory:n { R #1 #2 {#3} }
\__xparse_normalize_arg_spec_loop:n
}
\cs_new_protected:Npn \__xparse_normalize_type_v:w
{
\__xparse_normalize_check_gv:N v
\__xparse_add_arg_spec_mandatory:n { v }
\__xparse_normalize_arg_spec_loop:n
}
\cs_new_protected:Npn \__xparse_normalize_type_b:w #1
{
\bool_if:NF \l__xparse_environment_bool
{
\__kernel_msg_error:nnxx
{ xparse } { invalid-command-arg }
{ \__xparse_environment_or_command: } { b }
\__xparse_bad_def:wn
}
\tl_clear:N \l__xparse_last_delimiters_tl
\__xparse_add_arg_spec:n { b }
\quark_if_recursion_tail_stop:n {#1}
\__kernel_msg_error:nnxx { xparse } { arg-after-body }
{ \__xparse_environment_or_command: }
{ \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
\cs_new_protected:Npn \__xparse_single_token_check:n #1
{
\tl_trim_spaces_apply:nN {#1} \tl_if_single_token:nF
{
\__kernel_msg_error:nnxx { xparse } { not-single-token }
{ \__xparse_environment_or_command: } { \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
}
\cs_new_protected:Npn \__xparse_allowed_token_check:N #1
{
\token_if_eq_meaning:NNTF #1 \c_group_begin_token
{ \use:n }
{
\token_if_eq_meaning:NNTF #1 \c_group_end_token
{ \use:n }
{ \use_none:n }
}
{
\__kernel_msg_error:nnxxx
{ xparse } { forbidden-implicit-group-token }
{ \__xparse_environment_or_command: } { \tl_to_str:n {#1} }
{
\token_if_eq_meaning:NNTF #1 \c_group_begin_token
{ begin } { end }
}
\__xparse_bad_def:wn
}
}
\cs_new_protected:Npn \__xparse_normalize_check_gv:N #1
{
\bool_if:NT \l__xparse_expandable_bool
{
\__kernel_msg_error:nnxx
{ xparse } { invalid-expandable-argument-type }
{ \iow_char:N \\ \l__xparse_function_tl } { \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
\bool_set_false:N \l__xparse_grab_expandably_bool
}
\cs_new_protected:Npn \__xparse_normalize_check_lu:N #1
{
\bool_if:NT \l__xparse_expandable_bool
{
\tl_if_empty:NF \l__xparse_last_delimiters_tl
{
\__kernel_msg_error:nnxx
{ xparse } { invalid-after-optional-expandably }
{ \iow_char:N \\ \l__xparse_function_tl } { \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
}
}
\cs_new_protected:Npn \__xparse_delimiter_check:nnn #1#2#3
{
\tl_map_inline:Nn \l__xparse_last_delimiters_tl
{
\tl_if_eq:nnT {##1} {#1}
{
\__kernel_msg_warning:nnxx { xparse } { optional-mandatory }
{#2} {#3}
}
}
}
\cs_new_protected:Npn \__xparse_bad_arg_spec:wn #1 \__xparse_break_point:n #2
{
\__kernel_msg_error:nnxx { xparse } { bad-arg-spec }
{ \__xparse_environment_or_command: } { \tl_to_str:n {#2} }
}
\cs_new_protected:Npn \__xparse_bad_def:wn #1 \__xparse_break_point:n #2 { }
\cs_new_protected:Npn \__xparse_add_arg_spec:n #1
{
\bool_lazy_and:nnT
{ ! \l__xparse_long_bool }
{ \l__xparse_some_long_bool }
{
\bool_if:NT \l__xparse_expandable_bool
{
\__kernel_msg_error:nnx { xparse } { inconsistent-long }
{ \iow_char:N \\ \l__xparse_function_tl }
\__xparse_bad_def:wn
}
\bool_set_false:N \l__xparse_grab_expandably_bool
}
\bool_if:NTF \l__xparse_long_bool
{ \bool_set_true:N \l__xparse_some_long_bool }
{ \bool_set_true:N \l__xparse_some_short_bool }
\tl_put_right:Nx \l__xparse_arg_spec_tl
{
\bool_if:NT \l__xparse_long_bool { + }
\bool_if:NT \l__xparse_obey_spaces_bool { ! }
\exp_not:n {#1}
}
\bool_set_false:N \l__xparse_long_bool
\bool_set_false:N \l__xparse_obey_spaces_bool
}
\cs_new_protected:Npn \__xparse_add_arg_spec_mandatory:n #1
{
\bool_if:NT \l__xparse_some_obey_spaces_bool
{
\__kernel_msg_error:nnxx { xparse } { non-trailing-obey-spaces }
{ \__xparse_environment_or_command: } { \tl_to_str:n {#1} }
\__xparse_bad_def:wn
}
\tl_clear:N \l__xparse_last_delimiters_tl
\__xparse_add_arg_spec:n {#1}
}
\cs_new_protected:Npn \__xparse_prepare_signature:n #1
{
\int_zero:N \l__xparse_current_arg_int
\bool_set_false:N \l__xparse_long_bool
\bool_set_false:N \l__xparse_obey_spaces_bool
\int_zero:N \l__xparse_m_args_int
\bool_set_false:N \l__xparse_defaults_bool
\tl_clear:N \l__xparse_defaults_tl
\tl_clear:N \l__xparse_process_all_tl
\tl_clear:N \l__xparse_process_one_tl
\bool_set_false:N \l__xparse_process_some_bool
\tl_clear:N \l__xparse_signature_tl
\__xparse_prepare_signature:N #1 \q_recursion_tail \q_recursion_stop
\bool_if:NF \l__xparse_expandable_bool { \__xparse_flush_m_args: }
}
\cs_new_protected:Npn \__xparse_prepare_signature:N
{
\bool_set_false:N \l__xparse_prefixed_bool
\__xparse_prepare_signature_bypass:N
}
\cs_new_protected:Npn \__xparse_prepare_signature_bypass:N #1
{
\quark_if_recursion_tail_stop:N #1
\use:c
{
__xparse_add
\bool_if:NT \l__xparse_grab_expandably_bool { _expandable }
_type_ \token_to_str:N #1 :w
}
}
\cs_new_protected:cpn { __xparse_add_type_+:w }
{
\__xparse_flush_m_args:
\bool_set_true:N \l__xparse_long_bool
\bool_set_true:N \l__xparse_prefixed_bool
\__xparse_prepare_signature_bypass:N
}
\cs_new_protected:cpn { __xparse_add_type_!:w }
{
\__xparse_flush_m_args:
\bool_set_true:N \l__xparse_obey_spaces_bool
\bool_set_true:N \l__xparse_prefixed_bool
\__xparse_prepare_signature_bypass:N
}
\cs_new_protected:cpn { __xparse_add_type_>:w } #1
{
\__xparse_flush_m_args:
\bool_set_true:N \l__xparse_prefixed_bool
\bool_set_true:N \l__xparse_process_some_bool
\tl_put_left:Nn \l__xparse_process_one_tl { {#1} }
\__xparse_prepare_signature_bypass:N
}
\cs_new_protected:Npn \__xparse_add_type_b:w
{
\__xparse_flush_m_args:
\__xparse_add_default:
\__xparse_add_grabber:N b
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_D:w #1#2#3
{
\__xparse_flush_m_args:
\__xparse_add_default:n {#3}
\__xparse_add_grabber:N D
\tl_put_right:Nn \l__xparse_signature_tl { #1 #2 }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_E:w #1#2
{
\__xparse_flush_m_args:
\__xparse_add_default_E:nn {#1} {#2}
\__xparse_add_grabber:N E
\tl_put_right:Nn \l__xparse_signature_tl { {#1} }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_m:w
{
\__xparse_add_default:
\bool_if:NTF \l__xparse_prefixed_bool
{ \__xparse_add_grabber: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#3
{
\__xparse_flush_m_args:
\__xparse_add_default:n {#3}
\__xparse_add_grabber:N R
\tl_put_right:Nn \l__xparse_signature_tl { #1 #2 }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_t:w #1
{
\__xparse_flush_m_args:
\__xparse_add_default:
\__xparse_add_grabber:N t
\tl_put_right:Nn \l__xparse_signature_tl {#1}
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_type_v:w
{
\__xparse_flush_m_args:
\exp_args:No \__xparse_add_default:n \c_novalue_tl
\__xparse_add_grabber:N v
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_flush_m_args:
{
\int_compare:nNnT \l__xparse_m_args_int > 0
{
\tl_put_right:Nx \l__xparse_signature_tl
{ \exp_not:c { __xparse_grab_m_ \int_use:N \l__xparse_m_args_int :w } }
\tl_put_right:Nx \l__xparse_process_all_tl
{ \prg_replicate:nn { \l__xparse_m_args_int } { { } } }
}
\int_zero:N \l__xparse_m_args_int
}
\cs_new_protected:Npn \__xparse_add_grabber:N #1
{
\tl_put_right:Nx \l__xparse_signature_tl
{
\exp_not:c
{
__xparse_grab_ #1
\bool_if:NT \l__xparse_long_bool { _long }
\bool_if:NT \l__xparse_obey_spaces_bool { _obey_spaces }
:w
}
}
\bool_set_false:N \l__xparse_long_bool
\bool_set_false:N \l__xparse_obey_spaces_bool
\tl_put_right:Nx \l__xparse_process_all_tl
{ { \exp_not:o \l__xparse_process_one_tl } }
\tl_clear:N \l__xparse_process_one_tl
}
\cs_new_protected:Npn \__xparse_add_default:n #1
{
\tl_if_novalue:nTF {#1}
{ \__xparse_add_default: }
{
\int_incr:N \l__xparse_current_arg_int
\bool_set_true:N \l__xparse_defaults_bool
\tl_put_right:Nn \l__xparse_defaults_tl { { \prg_do_nothing: #1 } }
}
}
\cs_new_protected:Npn \__xparse_add_default:
{
\int_incr:N \l__xparse_current_arg_int
\tl_put_right:Nn \l__xparse_defaults_tl { \c_novalue_tl }
}
\cs_new_protected:Npn \__xparse_add_default_E:nn #1#2
{
\tl_map_function:nN {#2} \__xparse_add_default:n
\prg_replicate:nn
{ \tl_count:n {#1} - \tl_count:n {#2} }
{ \__xparse_add_default: }
}
\cs_new_protected:cpn { __xparse_add_expandable_type_+:w }
{
\bool_set_true:N \l__xparse_long_bool
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_type_D:w
{ \__xparse_add_expandable_type_D_aux:NNNn D }
\cs_new_protected:Npn \__xparse_add_expandable_type_D_aux:NNNn #1#2#3#4
{
\__xparse_add_default:n {#4}
\tl_if_eq:nnTF {#2} {#3}
{ \__xparse_add_expandable_type_D_aux:NN #1 #2 }
{ \__xparse_add_expandable_type_D_aux:NNN #1 #2 #3 }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_type_D_aux:NNN #1#2#3
{
\bool_if:NTF \l__xparse_long_bool
{ \cs_set:cpx }
{ \cs_set_nopar:cpx }
{ \l__xparse_expandable_aux_name_tl } ##1 ##2 #2 ##3 \q__xparse ##4 #3
{ ##1 {##2} {##3} {##4} }
\__xparse_add_expandable_grabber:nn {#1}
{
\exp_not:c { \l__xparse_expandable_aux_name_tl }
\exp_not:n { #2 #3 }
}
}
\cs_new_protected:Npn \__xparse_add_expandable_type_D_aux:NN #1#2
{
\bool_if:NTF \l__xparse_long_bool
{ \cs_set:cpx }
{ \cs_set_nopar:cpx }
{ \l__xparse_expandable_aux_name_tl } ##1 #2 ##2 #2
{ ##1 {##2} }
\__xparse_add_expandable_grabber:nn { #1_alt }
{
\exp_not:c { \l__xparse_expandable_aux_name_tl }
\exp_not:n {#2}
}
}
\cs_new_protected:Npn \__xparse_add_expandable_type_E:w #1#2
{
\__xparse_add_default_E:nn {#1} {#2}
\tl_clear:N \l__xparse_tmpb_tl
\tl_map_function:nN {#1} \__xparse_add_expandable_type_E_aux:n
\__xparse_add_expandable_grabber:nn
{ E \bool_if:NT \l__xparse_long_bool { _long } }
{
{ \exp_not:o \l__xparse_tmpb_tl }
{
\prg_replicate:nn { \tl_count:n {#1} }
{ { \c_novalue_tl } }
}
}
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_type_E_aux:n #1
{
\__xparse_get_grabber:NN #1 \l__xparse_tmpa_tl
\tl_put_right:Nx \l__xparse_tmpb_tl
{ \exp_not:o \l__xparse_tmpa_tl \exp_not:N #1 }
}
\cs_new_protected:Npn \__xparse_add_expandable_type_m:w
{
\__xparse_add_default:
\__xparse_add_expandable_grabber:nn
{ m \bool_if:NT \l__xparse_long_bool { _long } } { }
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_type_R:w
{ \__xparse_add_expandable_type_D_aux:NNNn R }
\cs_new_protected:Npn \__xparse_add_expandable_type_t:w #1
{
\__xparse_add_default:
\__xparse_get_grabber:NN #1 \l__xparse_tmpa_tl
\__xparse_add_expandable_grabber:nn { t }
{
\exp_not:o \l__xparse_tmpa_tl
\exp_not:N #1
}
\__xparse_prepare_signature:N
}
\cs_new_protected:Npn \__xparse_add_expandable_grabber:nn #1#2
{
\tl_put_right:Nx \l__xparse_signature_tl
{ \exp_not:c { __xparse_expandable_grab_ #1 :w } #2 }
}
\cs_new_protected:Npn \__xparse_get_grabber:NN #1#2
{
\cs_set:Npn \__xparse_tmp:w ##1 #1 {##1}
\exp_args:Nc \__xparse_get_grabber_auxi:NN
{ __xparse_grabber_ \token_to_str:N #1 :w } #2
}
\cs_new_protected:Npn \__xparse_get_grabber_auxi:NN #1#2
{
\cs_if_eq:NNTF \__xparse_tmp:w #1
{ \tl_set:Nn #2 {#1} }
{
\cs_if_exist:NTF #1
{
\int_gincr:N \g__xparse_grabber_int
\exp_args:Nc \__xparse_get_grabber_auxi:NN
{
__xparse_grabber_
- \int_use:N \g__xparse_grabber_int :w
}
#2
}
{ \__xparse_get_grabber_auxii:NN #1 #2 }
}
}
\cs_new_protected:Npn \__xparse_get_grabber_auxii:NN #1#2
{
\cs_set_eq:NN #1 \__xparse_tmp:w
\tl_set:Nn #2 {#1}
}
\cs_new_protected:Npn \__xparse_grab_b:w
{ \__xparse_grab_b_aux:NNw \cs_set_protected_nopar:Npn \tl_trim_spaces:n }
\cs_new_protected:Npn \__xparse_grab_b_long:w
{ \__xparse_grab_b_aux:NNw \cs_set_protected:Npn \tl_trim_spaces:n }
\cs_new_protected:Npn \__xparse_grab_b_obey_spaces:w
{ \__xparse_grab_b_aux:NNw \cs_set_protected_nopar:Npn \exp_not:n }
\cs_new_protected:Npn \__xparse_grab_b_long_obey_spaces:w
{ \__xparse_grab_b_aux:NNw \cs_set_protected:Npn \exp_not:n }
\cs_new_protected:Npn \__xparse_grab_b_aux:NNw #1#2#3 \__xparse_run_code:
{
\__xparse_grab_D_aux:NNnN \begin \end {#3} #1
\tl_put_left:Nn \l__xparse_signature_tl { \__xparse_grab_b_end:Nw #2 }
\tl_set_eq:NN \l__xparse_saved_args_tl \l__xparse_args_tl
\tl_clear:N \l__xparse_args_tl
\exp_args:Nc \l__xparse_fn_tl { begin ~ }
}
\cs_new_protected:Npn \__xparse_grab_b_end:Nw #1#2 \__xparse_run_code:
{
\tl_set:Nx \l__xparse_args_tl
{
\exp_not:V \l__xparse_saved_args_tl
{ \exp_after:wN #1 \l__xparse_args_tl }
}
#2
\__xparse_run_code:
\end
}
\cs_new_protected:Npn \__xparse_grab_D:w #1#2#3 \__xparse_run_code:
{
\__xparse_grab_D_aux:NNnNN #1 #2 {#3} \cs_set_protected_nopar:Npn
\__xparse_peek_nonspace_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_D_long:w #1#2#3 \__xparse_run_code:
{
\__xparse_grab_D_aux:NNnNN #1 #2 {#3} \cs_set_protected:Npn
\__xparse_peek_nonspace_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_D_obey_spaces:w #1#2#3 \__xparse_run_code:
{
\__xparse_grab_D_aux:NNnNN #1 #2 {#3} \cs_set_protected_nopar:Npn
\__xparse_peek_meaning_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_D_long_obey_spaces:w #1#2#3 \__xparse_run_code:
{
\__xparse_grab_D_aux:NNnNN #1 #2 {#3} \cs_set_protected:Npn
\__xparse_peek_meaning_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_D_aux:NNnNN #1#2#3#4#5
{
\__xparse_grab_D_aux:NNnN #1#2 {#3} #4
#5 #1
{ \__xparse_grab_D_call:Nw #1 }
{ \__xparse_add_arg:o \c_novalue_tl }
}
\cs_new_protected:Npn \__xparse_grab_D_aux:NNnN #1#2#3#4
{
\tl_set:Nn \l__xparse_signature_tl {#3}
\exp_after:wN #4 \l__xparse_fn_tl ##1 #2
{
\tl_if_in:nnTF {##1} {#1}
{ \__xparse_grab_D_nested:NNnN #1 #2 {##1} #4 }
{
\tl_if_blank:oTF { \use_none:n ##1 }
{ \__xparse_add_arg:o { \use_none:n ##1 } }
{
\str_if_eq:eeTF
{ \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 } }
}
}
}
}
\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:NNnN #1#2#3#4
{
\tl_clear:N \l__xparse_nesting_a_tl
\tl_clear:N \l__xparse_nesting_b_tl
\exp_after:wN #4 \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_tmpa_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_tmpa_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
}
}
}
\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_nopar:Npn \__xparse_grab_D_call:Nw #1
{
\token_if_eq_catcode:NNTF + #1
{
\exp_after:wN \exp_after:wN \exp_after:wN
\l__xparse_fn_tl \char_generate:nn { `#1 } { 11 }
}
{
\__xparse_token_if_cs:NTF #1
{
\exp_after:wN \l__xparse_fn_tl
\cs:w \cs_to_str:N #1 ~ \cs_end:
}
{
\exp_after:wN \l__xparse_fn_tl
\token_to_str:N #1
}
}
}
\cs_new_protected:Npn \__xparse_grab_E:w #1#2 \__xparse_run_code:
{
\__xparse_grab_E:nnNN {#1} {#2}
\cs_set_protected_nopar:Npn
\__xparse_peek_nonspace_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_E_long:w #1#2 \__xparse_run_code:
{
\__xparse_grab_E:nnNN {#1} {#2}
\cs_set_protected:Npn
\__xparse_peek_nonspace_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_E_obey_spaces:w #1#2 \__xparse_run_code:
{
\__xparse_grab_E:nnNN {#1} {#2}
\cs_set_protected_nopar:Npn
\__xparse_peek_meaning_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_E_long_obey_spaces:w #1#2 \__xparse_run_code:
{
\__xparse_grab_E:nnNN {#1} {#2}
\cs_set_protected:Npn
\__xparse_peek_meaning_remove:NTF
}
\cs_new_protected:Npn \__xparse_grab_E:nnNN #1#2#3#4
{
\exp_after:wN #3 \l__xparse_fn_tl ##1##2##3
{
\prop_put:Nnn \l__xparse_tmp_prop {##1} {##3}
\__xparse_grab_E_loop:NnN #4 { } ##2 \q_recursion_stop
}
\prop_clear:N \l__xparse_tmp_prop
\tl_set:Nn \l__xparse_signature_tl {#2}
\cs_set_protected:Npn \__xparse_grab_E_finalise:
{
\tl_map_inline:nn {#1}
{
\prop_get:NnNF \l__xparse_tmp_prop {####1} \l__xparse_tmpb_tl
{ \tl_set_eq:NN \l__xparse_tmpb_tl \c_novalue_tl }
\tl_put_right:Nx \l__xparse_args_tl
{ { \exp_not:V \l__xparse_tmpb_tl } }
}
\l__xparse_signature_tl \__xparse_run_code:
}
\__xparse_grab_E_loop:NnN #4 { } #1 \q_recursion_tail \q_recursion_stop
}
\cs_new_protected:Npn \__xparse_grab_E_loop:NnN #1#2#3#4 \q_recursion_stop
{
\cs_if_eq:NNTF #3 \q_recursion_tail
{ \__xparse_grab_E_finalise: }
{
#1 #3
{ \l__xparse_fn_tl #3 {#2#4} }
{ \__xparse_grab_E_loop:NnN #1 {#2#3} #4 \q_recursion_stop }
}
}
\cs_new_protected:Npn \__xparse_grab_E_finalise: { }
\cs_new_protected:Npn \__xparse_grab_m:w #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_protected_nopar:Npn \l__xparse_fn_tl ##1
{ \__xparse_add_arg:n {##1} }
\l__xparse_fn_tl
}
\cs_new_protected:Npn \__xparse_grab_m_long:w #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_protected:Npn \l__xparse_fn_tl ##1
{ \__xparse_add_arg:n {##1} }
\l__xparse_fn_tl
}
\cs_new_protected_nopar:Npn \__xparse_grab_m_aux:Nnnnnnnnn #1#2#3#4#5#6#7#8#9
{
\tl_put_right:No \l__xparse_args_tl
{ #1 {#2} {#3} {#4} {#5} {#6} {#7} {#8} {#9} }
\l__xparse_signature_tl \__xparse_run_code:
}
\cs_new_protected:cpn { __xparse_grab_m_1:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \use_none:nnnnnnn { } { } { } { } { } { } { }
}
\cs_new_protected:cpn { __xparse_grab_m_2:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \use_none:nnnnnn { } { } { } { } { } { }
}
\cs_new_protected:cpn { __xparse_grab_m_3:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \use_none:nnnnn { } { } { } { } { }
}
\cs_new_protected:cpn { __xparse_grab_m_4:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \use_none:nnnn { } { } { } { }
}
\cs_new_protected:cpn { __xparse_grab_m_5:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \use_none:nnn { } { } { }
}
\cs_new_protected:cpn { __xparse_grab_m_6:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \use_none:nn { } { }
}
\cs_new_protected:cpn { __xparse_grab_m_7:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \use_none:n { }
}
\cs_new_protected:cpn { __xparse_grab_m_8:w } #1 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\exp_after:wN \cs_set_eq:NN \l__xparse_fn_tl \__xparse_grab_m_aux:Nnnnnnnnn
\l__xparse_fn_tl \prg_do_nothing:
}
\cs_new_protected:cpx { __xparse_grab_m_9:w }
{
\exp_not:c { __xparse_grab_m_5:w }
\exp_not:c { __xparse_grab_m_4:w }
}
\cs_new_protected:Npn \__xparse_grab_R:w #1#2#3 \__xparse_run_code:
{ \__xparse_grab_R_aux:NNnN #1 #2 {#3} \cs_set_protected_nopar:Npn }
\cs_new_protected:Npn \__xparse_grab_R_long:w #1#2#3 \__xparse_run_code:
{ \__xparse_grab_R_aux:NNnN #1 #2 {#3} \cs_set_protected:Npn }
\cs_new_protected:Npn \__xparse_grab_R_aux:NNnN #1#2#3#4
{
\__xparse_grab_D_aux:NNnN #1 #2 {#3} #4
\__xparse_peek_nonspace_remove:NTF #1
{ \__xparse_grab_D_call:Nw #1 }
{
\__kernel_msg_error:nnxx { xparse } { missing-required }
{ \__xparse_environment_or_command: }
{ \token_to_str:N #1 }
\__xparse_add_arg:o \c_novalue_tl
}
}
\cs_new_protected:Npn \__xparse_grab_t:w
{ \__xparse_grab_t_aux:NNw \__xparse_peek_nonspace_remove:NTF }
\cs_new_protected:Npn \__xparse_grab_t_obey_spaces:w
{ \__xparse_grab_t_aux:NNw \__xparse_peek_meaning_remove:NTF }
\cs_new_protected:Npn \__xparse_grab_t_aux:NNw #1#2#3 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#3}
\exp_after:wN \cs_set_protected:Npn \l__xparse_fn_tl
{
#1 #2
{ \__xparse_add_arg:n { \BooleanTrue } }
{ \__xparse_add_arg:n { \BooleanFalse } }
}
\l__xparse_fn_tl
}
\tl_new:N \l__xparse_v_arg_tl
\cs_new_protected:Npn \__xparse_grab_v:w
{
\bool_set_false:N \l__xparse_long_bool
\__xparse_grab_v_aux:w
}
\cs_new_protected: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 \__xparse_run_code:
{
\tl_set:Nn \l__xparse_signature_tl {#1}
\group_begin:
\tex_escapechar:D = 92 \scan_stop:
\tl_clear:N \l__xparse_v_arg_tl
\peek_remove_spaces:n
{
\peek_meaning_remove:NTF \c_group_begin_token
{
\group_align_safe_end:
\__xparse_grab_v_bgroup:
}
{
\peek_N_type:TF
{ \__xparse_grab_v_aux_test:N }
{ \__xparse_grab_v_aux_abort:n { } }
}
}
}
\cs_new_protected:Npn \__xparse_grab_v_group_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_token_if_char:NTF #1
{
\__xparse_grab_v_aux_put:N #1
\__xparse_grab_v_aux_catcodes:
\__xparse_grab_v_aux_loop:N #1
}
{ \__xparse_grab_v_aux_abort:n {#1} #1 }
}
\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:n { } }
}
\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:n {#2} #2 }
}
\cs_new_protected:Npn \__xparse_grab_v_aux_loop_end:
{
\__xparse_grab_v_group_end:
\__xparse_add_arg:x { \tl_tail:N \l__xparse_v_arg_tl }
}
\int_new:N \l__xparse_v_nesting_int
\cs_new_protected:Npx \__xparse_grab_v_bgroup:
{
\exp_not:N \__xparse_grab_v_aux_catcodes:
\exp_not:n { \int_set:Nn \l__xparse_v_nesting_int { 1 } }
\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:n { } }
}
\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 > 0
{
\__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:n {#1} #1 }
}
\cs_new_protected: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:Npn \__xparse_grab_v_aux_abort:n #1
{
\__xparse_grab_v_group_end:
\exp_after:wN \exp_after:wN \exp_after:wN
\peek_meaning_remove:NTF \char_generate:nn { \tex_endlinechar:D } { 6 }
{
\__kernel_msg_error:nnxxx { xparse } { verbatim-newline }
{ \__xparse_environment_or_command: }
{ \tl_to_str:N \l__xparse_v_arg_tl }
{ \tl_to_str:n {#1} }
\__xparse_add_arg:o \c_novalue_tl
}
{
\__kernel_msg_error:nnxxx { xparse } { verbatim-tokenized }
{ \__xparse_environment_or_command: }
{ \tl_to_str:N \l__xparse_v_arg_tl }
{ \tl_to_str:n {#1} }
\__xparse_add_arg:o \c_novalue_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:eeTF { } { \str_tail:n {#1} } }
\cs_new_protected:Npn \__xparse_add_arg:n #1
{
\tl_put_right:Nn \l__xparse_args_tl { {#1} }
\l__xparse_signature_tl \__xparse_run_code:
}
\cs_generate_variant:Nn \__xparse_add_arg:n { V , o , x }
\cs_new:Npn \__xparse_expandable_grab_D:w #1 \q__xparse #2#3
{ #2 { \__xparse_expandable_grab_D:NNNwNNn #1 \q__xparse #2 #3 } }
\cs_set_protected:Npn \__xparse_tmp:w #1
{
\cs_new:Npn \__xparse_expandable_grab_D:NNNwNNn ##1##2##3##4 \q__xparse ##5##6##7
{
\str_if_eq:nnTF {##2} {##7}
{
\str_if_eq:onTF
{ ##1 { } { } ##7 ##2 \q__xparse ##3 }
{ { } {##2} { } }
}
{ \use_ii:nn }
{
##1
{ \__xparse_expandable_grab_D:NNNwNNnnn ##1##2##3##4 \q__xparse ##5##6 }
\q_nil { } ##2 \ERROR \q__xparse \ERROR
}
{ ##4 {#1} \q__xparse ##5 ##6 {##7} }
}
}
\exp_args:No \__xparse_tmp:w { \c_novalue_tl }
\cs_new:Npn \__xparse_expandable_grab_D:NNNwNNnnn #1#2#3#4 \q__xparse #5#6#7#8#9
{
\exp_args:Nof \__xparse_expandable_grab_D:nnNNNwNN
{ \use_ii:nn #7 #2 }
{ \__xparse_expandable_grab_D:Nw #3 \exp_stop_f: #8 #9 }
#1#2#3 #4 \q__xparse #5 #6
}
\cs_new:Npn \__xparse_expandable_grab_D:Nw #1#2 \ERROR \ERROR { #2 #1 }
\cs_new:Npn \__xparse_expandable_grab_D:nnNNNwNN #1#2#3#4#5#6 \q__xparse #7#8
{
\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 { \use_none:nn #1#2 } }
{
\str_if_eq:eeTF
{ \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 #8
}
{
#3
{ \__xparse_expandable_grab_D:NNNwNNnnn #3#4#5#6 \q__xparse #7 #8 }
\q_nil {#1} #2 \ERROR \q__xparse \ERROR
}
}
\cs_new:Npn \__xparse_expandable_grab_D_alt:w #1 \q__xparse #2#3
{ #2 { \__xparse_expandable_grab_D_alt:NNwNNn #1 \q__xparse #2 #3 } }
\cs_set_protected:Npn \__xparse_tmp:w #1
{
\cs_new:Npn \__xparse_expandable_grab_D_alt:NNwNNn ##1##2##3 \q__xparse ##4##5##6
{
\str_if_eq:nnTF {##6} {##2}
{
\str_if_eq:onTF
{ ##1 { } ##6 ##2 ##2 }
{ { } ##2 }
}
{ \use_ii:nn }
{
##1
{ \__xparse_expandable_grab_D_alt:NNwn ##4 ##5 ##3 \q__xparse }
##6 \ERROR
}
{ ##3 {#1} \q__xparse ##4 ##5 {##6} }
}
}
\exp_args:No \__xparse_tmp:w { \c_novalue_tl }
\cs_new:Npn \__xparse_expandable_grab_D_alt:NNwn #1#2#3 \q__xparse #4
{
\tl_if_blank:oTF { \use_none:n #4 }
{ \__xparse_put_arg_expandable:ow { \use_none:n #4 } }
{
\str_if_eq:eeTF
{ \exp_not:o { \use_none:n #4 } }
{ { \exp_not:o { \use_ii:nnn #4 \q_nil } } }
{ \__xparse_put_arg_expandable:ow { \use_ii:nn #4 } }
{ \__xparse_put_arg_expandable:ow { \use_none:n #4 } }
}
#3 \q__xparse #1 #2
}
\cs_new:Npn \__xparse_expandable_grab_E:w #1 \q__xparse #2#3
{ \__xparse_expandable_grab_E_aux:w #1 \q__xparse #2 #3 #3 }
\cs_new:Npn \__xparse_expandable_grab_E_long:w #1 \q__xparse #2#3
{ \__xparse_expandable_grab_E_aux:w #1 \q__xparse #2 #3 #2 }
\cs_new:Npn \__xparse_expandable_grab_E_aux:w #1 \q__xparse #2#3#4
{ #2 { \__xparse_expandable_grab_E_test:nnw #1 \q__xparse #2 #3 #4 } }
\cs_new:Npn \__xparse_expandable_grab_E_test:nnw #1#2#3 \q__xparse #4#5#6#7
{
\__xparse_expandable_grab_E_loop:nnnNNw {#7} { } { }
#1 \q_nil \q_nil \q_nil \q_mark #2 \q_nil
#3 \q__xparse #4 #5 #6
}
\cs_new:Npn \__xparse_expandable_grab_E_loop:nnnNNw
#1#2#3#4#5#6 \q_nil #7 \q_mark #8
{
\quark_if_nil:NTF #4
{ \__xparse_expandable_grab_E_end:nnw {#1} {#3} }
{
\tl_if_novalue:nTF {#8}
{ \str_if_eq:onTF { #4 { } #1 #5 } {#5} }
{ \use_ii:nn }
{ \__xparse_expandable_grab_E_find:w { #2 #4 #5 #6 } {#3} ~ }
{
\__xparse_expandable_grab_E_loop:nnnNNw
{#1} { #2 #4 #5 } { #3 {#8} }
#6 \q_nil #7 \q_mark
}
}
}
\cs_new:Npn \__xparse_expandable_grab_E_find:w #1 \q__xparse #2#3#4
{ #4 { \__xparse_expandable_grab_E_find:nnw #1 \q__xparse #2 #3 #4 } }
\cs_new:Npn \__xparse_expandable_grab_E_find:nnw #1#2#3 \q_nil #4 \q__xparse #5#6#7#8
{ \__xparse_expandable_grab_E_aux:w {#1} { #2 {#8} #3 } #4 \q__xparse #5 #6 #7 }
\cs_new:Npn \__xparse_expandable_grab_E_end:nnw #1#2#3 \q__xparse #4#5#6
{ #3 #2 \q__xparse #4 #5 {#1} }
\cs_new:Npn \__xparse_expandable_grab_m:w #1 \q__xparse #2#3
{ #3 { \__xparse_expandable_grab_m_aux:wNn #1 \q__xparse #2 #3 } }
\cs_new:Npn \__xparse_expandable_grab_m_long:w #1 \q__xparse #2#3
{ #2 { \__xparse_expandable_grab_m_aux:wNn #1 \q__xparse #2 #3 } }
\cs_new:Npn \__xparse_expandable_grab_m_aux:wNn #1 \q__xparse #2#3#4
{ #1 {#4} \q__xparse #2 #3 }
\cs_new:Npn \__xparse_expandable_grab_R:w #1 \q__xparse #2#3
{ #2 { \__xparse_expandable_grab_R_aux:NNNwNNn #1 \q__xparse #2#3 } }
\cs_set_protected:Npn \__xparse_tmp:w #1
{
\cs_new:Npn \__xparse_expandable_grab_R_aux:NNNwNNn ##1##2##3##4 \q__xparse ##5##6##7
{
\str_if_eq:nnTF {##7} {##2}
{
\str_if_eq:onTF
{ ##1 { } { } ##7 ##2 \q__xparse ##3 }
{ { } {##2} { } }
}
{ \use_ii:nn }
{
##1
{ \__xparse_expandable_grab_D:NNNwNNnnn ##1##2##3##4 \q__xparse ##5##6 }
\q_nil { } ##2 \ERROR \q__xparse \ERROR
}
{
\__kernel_msg_expandable_error:nnff
{ xparse } { missing-required }
{ \exp_args:Nf \tl_trim_spaces:n { \token_to_str:N ##5 } }
{ \tl_to_str:n {##2} }
##4 {#1} \q__xparse ##5 ##6 {##7}
}
}
}
\exp_args:No \__xparse_tmp:w { \c_novalue_tl }
\cs_new:Npn \__xparse_expandable_grab_R_alt:w #1 \q__xparse #2#3
{ #2 { \__xparse_expandable_grab_R_alt_aux:NNwNNn #1 \q__xparse #2#3 } }
\cs_set_protected:Npn \__xparse_tmp:w #1
{
\cs_new:Npn \__xparse_expandable_grab_R_alt_aux:NNwNNn ##1##2##3 \q__xparse ##4##5##6
{
\str_if_eq:nnTF {##6} {##2}
{
\str_if_eq:onTF
{ ##1 { } ##6 ##2 ##2 }
{ { } ##2 }
}
{ \use_ii:nn }
{
##1
{ \__xparse_expandable_grab_D_alt:NNwn ##4 ##5 ##3 \q__xparse }
##6 \ERROR
}
{
\__kernel_msg_expandable_error:nnff
{ xparse } { missing-required }
{ \exp_args:Nf \tl_trim_spaces:n { \token_to_str:N ##4 } }
{ \tl_to_str:n {##2} }
##3 {#1} \q__xparse ##4 ##5 {##6}
}
}
}
\exp_args:No \__xparse_tmp:w { \c_novalue_tl }
\cs_new:Npn \__xparse_expandable_grab_t:w #1 \q__xparse #2#3
{ #2 { \__xparse_expandable_grab_t_aux:NNwn #1 \q__xparse #2 #3 } }
\cs_new:Npn \__xparse_expandable_grab_t_aux:NNwn #1#2#3 \q__xparse #4#5#6
{
\str_if_eq:onTF { #1 { } #6 #2 } {#2}
{ #3 { \BooleanTrue } \q__xparse #4 #5 }
{ #3 { \BooleanFalse } \q__xparse #4 #5 {#6} }
}
\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_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
{
\tl_if_single:nTF {#1}
{
\token_if_cs:NTF #1
{ \__xparse_split_list_multi:nn {#1} {#2} }
{ \__xparse_split_list_single:Nn #1 {#2} }
}
{ \__xparse_split_list_multi:nn {#1} {#2} }
}
\cs_new_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 }
\tex_lowercase:D
{
\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 + 1 }
{
\int_compare:nNnTF {#1} > { #2 + 1 }
{
\tl_set:Nx \ProcessedArgument
{
\exp_last_unbraced:NnNo
\__xparse_split_argument_aux:n
{ #2 + 1 }
\use_none_delimit_by_q_stop:w
\ProcessedArgument
\q_stop
}
\__kernel_msg_error:nnxxx { xparse } { split-excess-tokens }
{ \tl_to_str:n {#3} } { \int_eval:n { #2 + 1 } }
{ \tl_to_str:n {#4} }
}
{
\tl_put_right:Nx \ProcessedArgument
{
\prg_replicate:nn { #2 + 1 - (#1) }
{ { \exp_not:V \c_novalue_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_error:N #1
{
\bool_set_false:N \l__xparse_environment_bool
\tl_set:Nn \l__xparse_fn_tl {#1}
\__xparse_get_arg_spec_error_aux:n { \cs_if_exist:NTF #1 }
}
\cs_new_protected:Npn \__xparse_get_arg_spec_error:n #1
{
\bool_set_true:N \l__xparse_environment_bool
\str_set:Nx \l__xparse_environment_str {#1}
\__xparse_get_arg_spec_error_aux:n
{ \cs_if_exist:cTF { \l__xparse_environment_str } }
}
\cs_new_protected:Npn \__xparse_get_arg_spec_error_aux:n #1
{
#1
{
\__kernel_msg_error:nnx { xparse } { non-xparse }
{ \__xparse_environment_or_command: }
}
{
\__kernel_msg_error:nnx { xparse } { unknown }
{ \__xparse_environment_or_command: }
}
}
\cs_new_protected:Npn \__xparse_get_arg_spec:NTF #1#2#3
{
\__xparse_cmd_if_xparse:NTF #1
{
\tl_set:Nx \ArgumentSpecification { \tl_item:Nn #1 { 2 } }
#2
}
{#3}
}
\cs_new_protected:Npn \__xparse_get_arg_spec:N #1
{
\__xparse_get_arg_spec:NTF #1 { }
{ \__xparse_get_arg_spec_error:N #1 }
}
\cs_new_protected:Npn \__xparse_get_arg_spec:n #1
{
\exp_args:Nc \__xparse_get_arg_spec:NTF
{ environment~ \tl_to_str:n {#1} }
{ }
{ \__xparse_get_arg_spec_error:n {#1} }
}
\tl_new:N \ArgumentSpecification
\cs_new_protected:Npn \__xparse_show_arg_spec:N #1
{
\__xparse_get_arg_spec:NTF #1
{ \tl_show:N \ArgumentSpecification }
{ \__xparse_get_arg_spec_error:N #1 }
}
\cs_new_protected:Npn \__xparse_show_arg_spec:n #1
{
\exp_args:Nc \__xparse_get_arg_spec:NTF
{ environment~ \tl_to_str:n {#1} }
{ \tl_show:N \ArgumentSpecification }
{ \__xparse_get_arg_spec_error:n {#1} }
}
\cs_new_protected:Npn \__xparse_check_definable:nNT #1
{ \tl_trim_spaces_apply:nN {#1} \__xparse_check_definable_aux:nN }
\group_begin:
\char_set_catcode_active:n { `? }
\cs_new_protected:Npn \__xparse_check_definable_aux:nN #1#2
{
\group_begin:
\tl_if_single_token:nTF {#1}
{
\int_set:Nn \tex_escapechar:D { 92 }
\exp_args:Nx \tl_if_empty:nTF
{ \exp_args:No \str_tail:n { \token_to_str:N #1 } }
{
\exp_args:Nx \char_set_lccode:nn
{ ` \str_head:n {#1} } { `? }
\tex_lowercase:D { \tl_if_eq:nnTF {#1} } { ? }
{ \group_end: \use_iii:nnn }
{ \group_end: \use_i:nnn }
}
{ \group_end: \use_iii:nnn }
}
{ \group_end: \use_ii:nnn }
{
\__kernel_msg_error:nnxx { xparse } { not-definable }
{ \tl_to_str:n {#1} } { \token_to_str:N #2 }
}
{
\__kernel_msg_error:nnxx { xparse } { not-one-token }
{ \tl_to_str:n {#1} } { \token_to_str:N #2 }
}
}
\group_end:
\cs_new_protected:Npn \__xparse_token_if_cs:NTF #1
{
\group_begin:
\int_set:Nn \tex_escapechar:D { 92 }
\exp_args:Nx \tl_if_empty:nTF
{ \exp_args:No \str_tail:n { \token_to_str:N #1 } }
{ \group_end: \use_ii:nn }
{ \group_end: \use_i:nn }
}
\cs_new:Npn \__xparse_tl_mapthread_function:NNN #1#2#3
{
\exp_after:wN \exp_after:wN
\exp_after:wN \__xparse_tl_mapthread_loop:w
\exp_after:wN \exp_after:wN
\exp_after:wN #3
\exp_after:wN #1
\exp_after:wN \q_recursion_tail
\exp_after:wN \q_mark
#2
\q_recursion_tail
\q_recursion_stop
}
\cs_new:Npn \__xparse_tl_mapthread_function:nnN #1#2#3
{
\__xparse_tl_mapthread_loop:w #3
#1 \q_recursion_tail \q_mark
#2 \q_recursion_tail \q_recursion_stop
}
\cs_new:Npn \__xparse_tl_mapthread_loop:w #1#2#3 \q_mark #4
{
\quark_if_recursion_tail_stop:n {#2}
\quark_if_recursion_tail_stop:n {#4}
#1 {#2} {#4}
\__xparse_tl_mapthread_loop:w #1#3 \q_mark
}
\cs_new_protected:Npn \__xparse_cmd_if_xparse:NTF #1
{
\exp_args:Nf \str_case_e:nnTF
{
\exp_args:Nf \tl_if_empty:nT { \cs_argument_spec:N #1 }
{
\exp_last_unbraced:Nf \__xparse_cmd_if_xparse_aux:w
{ \cs_replacement_spec:N #1 } ~ \q_stop
}
}
{
{ \token_to_str:N \__xparse_start:nNNnnn } { }
{ \token_to_str:N \__xparse_start_expandable:nNNNNn } { }
{ \token_to_str:N \__xparse_start_env:nnnnn } { }
}
}
\cs_new:Npn \__xparse_cmd_if_xparse_aux:w #1 ~ #2 \q_stop {#1}
\cs_new_protected:Npn \__xparse_peek_nonspace:NTF
{ \__xparse_peek_nonspace_aux:nNNTF { } \__xparse_peek_meaning:NTF }
\cs_new_protected:Npn \__xparse_peek_nonspace_remove:NTF
{ \__xparse_peek_nonspace_aux:nNNTF { } \__xparse_peek_meaning_remove:NTF }
\cs_new_protected:Npn \__xparse_peek_nonspace_aux:nNNTF #1#2#3#4#5
{
\peek_meaning_remove:NTF \c_space_token
{ \__xparse_peek_nonspace_aux:nNNTF { #1 ~ } #2 #3 {#4} {#5} }
{ #2 #3 { #4 } { #5 #1 } }
}
\cs_new_protected:Npn \__xparse_peek_meaning:NTF
{ \__xparse_peek_meaning_aux:NNTF \c_false_bool }
\cs_new_protected:Npn \__xparse_peek_meaning_remove:NTF
{ \__xparse_peek_meaning_aux:NNTF \c_true_bool }
\cs_new_protected:Npn \__xparse_peek_meaning_aux:NNTF #1#2#3#4
{
\tl_set:Nn \l__xparse_tmpa_tl {#3}
\tl_set:Nn \l__xparse_tmpb_tl {#4}
\peek_meaning:NTF #2
{
\token_if_eq_meaning:NNTF #2 \c_group_begin_token
{ \__xparse_peek_true_remove:Nw #1 }
{
\__xparse_token_if_cs:NTF #2
{ \__xparse_peek_cs_check_equal:NNN #1 #2 }
{ \__xparse_peek_true_remove:Nw #1 }
}
}
{ \l__xparse_tmpb_tl }
}
\cs_new_protected:Npn \__xparse_peek_cs_check_equal:NNN #1#2#3
{
\str_if_eq:nnTF {#2} {#3}
{ \__xparse_peek_true_remove:Nw #1 }
{ \l__xparse_tmpb_tl }
#3
}
\cs_new_protected:Npn \__xparse_peek_true_remove:Nw #1
{
\bool_if:NTF #1
{
\tex_afterassignment:D \l__xparse_tmpa_tl
\cs_set_eq:NN \__xparse_tmp:w
}
{ \l__xparse_tmpa_tl }
}
\cs_new:Npn \__xparse_environment_or_command:
{
\bool_if:NTF \l__xparse_environment_bool
{ environment ~ ' \l__xparse_environment_str ' }
{
command ~ '
\exp_args:Nf \tl_trim_spaces:n
{ \exp_after:wN \token_to_str:N \l__xparse_fn_tl }
'
}
}
\tl_const:Nn \c__xparse_ignore_def_tl
{ \\ \\ LaTeX~will~ignore~this~entire~definition. }
\__kernel_msg_new:nnnn { xparse } { arg-after-body }
{ In~the~definition~of~#1,~b~(body)~argument~must~be~last. }
{
The~'body'~argument~type~is~followed~by~'#2'~in~the~argument~
specification~of~the~#1.~This~is~not~allowed.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { bad-arg-spec }
{ Bad~argument~specification~'#2'~for~#1. }
{
The~argument~specification~provided~was~not~valid:~
one~or~more~mandatory~pieces~of~information~were~missing.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { command-already-defined }
{ Command~'#1'~already~defined! }
{
You~have~used~#2~
with~a~command~that~already~has~a~definition. \\ \\
The~existing~definition~of~'#1'~will~not~be~altered.
}
\__kernel_msg_new:nnnn { xparse } { command-not-yet-defined }
{ Command ~'#1'~not~yet~defined! }
{
You~have~used~#2~
with~a~command~that~was~never~defined.
\c__xparse_ignore_def_tl
}
\__kernel_msg_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~not~be~altered.
}
\__kernel_msg_new:nnnn { xparse } { environment-not-yet-defined }
{ Environment~'#1'~not~yet~defined! }
{
You~have~used~\RenewDocumentEnvironment
with~an~environment~that~was~never~defined.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { expandable-ending-optional }
{
Argument~specification~'#2'~for~expandable~command~'#1'~
ends~with~optional~argument.
}
{
Expandable~commands~must~have~a~final~mandatory~argument~
(or~no~arguments~at~all).~You~cannot~have~a~terminal~optional~
argument~with~expandable~commands.
}
\__kernel_msg_new:nnnn { xparse } { inconsistent-long }
{ Inconsistent~long~arguments~for~expandable~command~'#1'. }
{
The~arguments~for~an~expandable~command~must~not~involve~short~
arguments~after~long~arguments.~You~have~tried~to~mix~the~two~types.
}
\__kernel_msg_new:nnnn { xparse } { invalid-command-arg }
{ Argument~type~'#2'~not~available~for~#1. }
{
The~letter~'#2'~can~only~be~used~in~environment~argument~
specifications,~not~for~commands.
\\ \\
LaTeX~will~ignore~this~entire~definition.
}
\__kernel_msg_new:nnnn { xparse } { invalid-expandable-argument-type }
{ Argument~type~'#2'~not~available~for~expandable~command~'#1'. }
{
The~letter~'#2'~specifies~an~argument~type~which~cannot~be~used~
in~an~expandable~command.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { invalid-after-optional-expandably }
{
Argument~type~'#2'~not~available~after~optional~argument~
for~expandable~command~'#1'.
}
{
The~letter~'#2'~specifies~an~argument~type~which~cannot~be~used~
in~an~expandable~command~after~an~optional~argument.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { non-trailing-obey-spaces }
{ Prefix~'!'~used~before~mandatory~argument~'#2'~of~#1. }
{
The~prefix~'!'~can~only~apply~to~trailing~optional~arguments.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { not-definable }
{ First~argument~of~'#2'~must~be~a~command. }
{
The~first~argument~of~'#2'~should~be~the~document~command~that~will~
be~defined.~The~provided~argument~'#1'~is~a~character.~Perhaps~a~
backslash~is~missing?
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { not-one-token }
{ First~argument~of~'#2'~must~be~a~command. }
{
The~first~argument~of~'#2'~should~be~the~document~command~that~will~
be~defined.~The~provided~argument~'#1'~contains~more~than~one~
token.~Perhaps~a~backslash~is~missing?
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { not-single-token }
{
Argument~delimiter~'#2'~for~the~#1~should~be~
a~single~non-space~token.
}
{
The~argument~specification~provided~was~not~valid:~in~a~place~
where~a~single~token~is~required,~LaTeX~found~'#2'.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { forbidden-implicit-group-token }
{ Argument~delimiter~'#2'~for~the~#1~is~not~allowed. }
{
The~argument~specification~provided~was~not~valid:~the~implicit~
#3-group~token~'#2'~is~not~allowed~as~an~argument~delimiter.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { processor-in-expandable }
{ Argument~processor~'>{#2}'~cannot~be~used~for~the~expandable~command~'#1'. }
{
The~argument~specification~for~#1~contains~a~processor~function:~
this~is~only~supported~for~standard~robust~commands.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { too-many-arguments }
{ Too~many~arguments~in~argument~specification~'#2'~of~#1. }
{
The~argument~specification~provided~has~more~than~9~arguments.~
This~cannot~be~implemented.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { two-markers }
{ Two~'#2'~apply~to~the~same~argument~in~argument~specification~of~#1. }
{
The~argument~specification~provided~has~two~markers~'#2'~applying~
to~the~same~argument;~these~are~redundant.
}
\__kernel_msg_new:nnnn { xparse } { unknown-argument-type }
{ Unknown~argument~type~'#2'~for~the~#1. }
{
The~letter~'#2'~does~not~specify~a~known~argument~type.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnnn { xparse } { xparse-argument-type }
{ Deprecated~argument~type~'#2'~for~the~#1~requires~xparse. }
{
The~letter~'#2'~specifies~a~known~argument~type~that~requires~
the~xparse~package.
\c__xparse_ignore_def_tl
}
\__kernel_msg_new:nnn { xparse } { if-boolean }
{ Invalid~use~\iow_char:N\\IfBooleanTF~{#1} }
\__kernel_msg_new:nnnn { xparse } { loop-in-defaults }
{ Defaults~of~#1~have~circular~dependency. }
{
The~default~values~of~two~or~more~arguments~of~the~#1~
depend~on~each~other~in~a~way~that~cannot~be~resolved.
}
\__kernel_msg_new:nnnn { xparse } { missing-required }
{ Missing~required~argument~for~#1. }
{
The~current~#1~expects~an~argument~starting~with~'#2'.~
LaTeX~did~not~find~it,~and~will~insert~a~default~value~to~be~processed.
}
\__kernel_msg_new:nnnn { xparse } { non-xparse }
{ \str_uppercase:n #1~not~defined~using~xparse. }
{
You~have~asked~for~the~argument~specification~for~the~#1,~
but~this~was~not~defined~using~xparse.
}
\__kernel_msg_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.
}
\__kernel_msg_new:nnnn { xparse } { unknown }
{ Unknown~document~#1. }
{
You~have~asked~for~the~argument~specification~for~the~#1,~
but~it~is~not~defined.
}
\__kernel_msg_new:nnnn { xparse } { verbatim-newline }
{ Verbatim~argument~of~#1~ended~by~end~of~line. }
{
The~verbatim~argument~of~the~#1~cannot~contain~more~than~one~line,~
but~the~end~
of~the~current~line~has~been~reached.~You~may~have~forgotten~the~
closing~delimiter.
\\ \\
LaTeX~will~ignore~'#2'.
}
\__kernel_msg_new:nnnn { xparse } { verbatim-tokenized }
{ The~verbatim~#1~cannot~be~used~inside~an~argument. }
{
The~#1~takes~a~verbatim~argument.~
It~may~not~appear~within~the~argument~of~another~function.~
It~received~an~illegal~token \tl_if_empty:nF {#3} { ~'#3' } .
\\ \\
LaTeX~will~ignore~'#2'.
}
\__kernel_msg_new:nnn { xparse } { define-command }
{
Defining~command~#1~
with~sig.~'#2'~\msg_line_context:.
}
\__kernel_msg_new:nnn { xparse } { define-environment }
{
Defining~environment~'#1'~
with~sig.~'#2'~\msg_line_context:.
}
\__kernel_msg_new:nnn { xparse } { redefine-command }
{
Redefining~command~#1~
with~sig.~'#2'~\msg_line_context:.
}
\__kernel_msg_new:nnn { xparse } { redefine-environment }
{
Redefining~environment~'#1'~
with~sig.~'#2'~\msg_line_context:.
}
\__kernel_msg_new:nnn { xparse } { optional-mandatory }
{
Since~the~mandatory~argument~'#1'~has~the~same~delimiter~'#2'~
as~a~previous~optional~argument,~it~will~not~be~possible~to~
omit~all~optional~arguments~when~calling~this~command.
}
\__kernel_msg_new:nnn { xparse } { unsupported-let }
{
The~command~'#1'~was~undefined~but~not~the~associated~commands~
'#1~code'~and/or~'#1~defaults'.~Maybe~you~tried~using~
\iow_char:N\\let.~This~may~lead~to~an~infinite~loop.
}
\cs_new_eq:NN \BooleanFalse \c_false_bool
\cs_new_eq:NN \BooleanTrue \c_true_bool
\cs_new_protected:Npn \NewDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \NewDocumentCommand
{
\cs_if_exist:NTF #1
{
\__kernel_msg_error:nnxx { xparse } { command-already-defined }
{ \use:nnn \token_to_str:N #1 { } }
{ \token_to_str:N \NewDocumentCommand }
}
{ \__xparse_declare_cmd:Nnn #1 {#2} {#3} }
}
}
\cs_new_protected:Npn \RenewDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \RenewDocumentCommand
{
\cs_if_exist:NTF #1
{ \__xparse_declare_cmd:Nnn #1 {#2} {#3} }
{
\__kernel_msg_error:nnxx { xparse } { command-not-yet-defined }
{ \use:nnn \token_to_str:N #1 { } }
{ \token_to_str:N \RenewDocumentCommand }
}
}
}
\cs_new_protected:Npn \ProvideDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \ProvideDocumentCommand
{ \cs_if_exist:NF #1 { \__xparse_declare_cmd:Nnn #1 {#2} {#3} } }
}
\cs_new_protected:Npn \DeclareDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \DeclareDocumentCommand
{ \__xparse_declare_cmd:Nnn #1 {#2} {#3} }
}
\cs_new_protected:Npn \NewDocumentEnvironment #1#2#3#4
{
\cs_if_exist:cTF {#1}
{ \__kernel_msg_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} }
{ \__kernel_msg_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 \DeclareDocumentEnvironment #1#2#3#4
{ \__xparse_declare_env:nnnn {#1} {#2} {#3} {#4} }
\cs_new_protected:Npn \NewExpandableDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \NewExpandableDocumentCommand
{
\cs_if_exist:NTF #1
{
\__kernel_msg_error:nnxx { xparse } { command-already-defined }
{ \use:nnn \token_to_str:N #1 { } }
{ \token_to_str:N \NewExpandableDocumentCommand }
}
{ \__xparse_declare_expandable_cmd:Nnn #1 {#2} {#3} }
}
}
\cs_new_protected:Npn \RenewExpandableDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \RenewExpandableDocumentCommand
{
\cs_if_exist:NTF #1
{ \__xparse_declare_expandable_cmd:Nnn #1 {#2} {#3} }
{
\__kernel_msg_error:nnxx { xparse } { command-not-yet-defined }
{ \use:nnn \token_to_str:N #1 { } }
{ \token_to_str:N \RenewExpandableDocumentCommand }
}
}
}
\cs_new_protected:Npn \ProvideExpandableDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \ProvideExpandableDocumentCommand
{
\cs_if_exist:NF #1
{ \__xparse_declare_expandable_cmd:Nnn #1 {#2} {#3} }
}
}
\cs_new_protected:Npn \DeclareExpandableDocumentCommand #1#2#3
{
\__xparse_check_definable:nNT {#1} \DeclareExpandableDocumentCommand
{ \__xparse_declare_expandable_cmd:Nnn #1 {#2} {#3} }
}
\cs_new:Npn \IfBooleanTF #1
{
\tl_if_single:nF {#1}
{ \prg_break:n { \use:n } }
\tl_if_single_token:nF #1
{ \prg_break:n { \use:n } }
\token_if_eq_meaning:NNT #1 \c_true_bool
{ \prg_break:n { \use_ii:nnn } }
\token_if_eq_meaning:NNT #1 \c_false_bool
{ \prg_break:n { \use_iii:nnn } }
\prg_break:n { \use:n }
\prg_break_point:
{
\__kernel_msg_expandable_error:nnn { xparse } { if-boolean } {#1}
\use_ii:nn
}
}
\cs_new:Npn \IfBooleanT #1#2 { \IfBooleanTF {#1} {#2} { } }
\cs_new:Npn \IfBooleanF #1 { \IfBooleanTF {#1} { } }
\cs_new_eq:NN \IfNoValueF \tl_if_novalue:nF
\cs_new_eq:NN \IfNoValueT \tl_if_novalue:nT
\cs_new_eq:NN \IfNoValueTF \tl_if_novalue:nTF
\cs_new:Npn \IfValueF { \tl_if_novalue:nT }
\cs_new:Npn \IfValueT { \tl_if_novalue:nF }
\cs_new:Npn \IfValueTF #1#2#3 { \tl_if_novalue: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_protected:Npn \GetDocumentCommandArgSpec #1
{
\__xparse_check_definable:nNT {#1} \GetDocumentCommandArgSpec
{ \__xparse_get_arg_spec:N #1 }
}
\cs_new_eq:NN \GetDocumentEnvironmentArgSpec \__xparse_get_arg_spec:n
\cs_new_protected:Npn \ShowDocumentCommandArgSpec #1
{
\__xparse_check_definable:nNT {#1} \ShowDocumentCommandArgSpec
{ \__xparse_show_arg_spec:N #1 }
}
\cs_new_eq:NN \ShowDocumentEnvironmentArgSpec \__xparse_show_arg_spec:n
\__xparse_file_end_hook:
%%
%%
%% End of file `xparse-generic.tex'.