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+%%
+%% This is file `xtemplate-2023-10-10.sty', generated from
+%% xtemplate.dtx (with options: `package' on 2023-11-14)
+%% then adapted and frozen for compatibility. Development of
+%% xtemplate.dtx will continue in the LaTeX2e kernel as lttemplates.dtx.
+%%
+%% Copyright (C) 2011-2023 The LaTeX Project
+%%
+%% It may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License (LPPL), either version 1.3c of
+%% this license or (at your option) any later version. The latest
+%% version of this license is in the file:
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% This file is part of the "l3packages bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%%
+%% File: xtemplate.dtx
+\RequirePackage{expl3}[2018/02/21]
+\@ifpackagelater{expl3}{2018/02/21}
+ {}
+ {%
+ \PackageError{xtemplate}{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 xtemplate will abort!%
+ }%
+ \endinput
+ }
+\ProvidesExplPackage{xtemplate}{2023-10-10}{}
+ {L3 Experimental prototype document functions}
+\tl_const:Nn \c__xtemplate_code_root_tl { template~code~>~ }
+\tl_const:Nn \c__xtemplate_defaults_root_tl { template~defaults~>~ }
+\tl_const:Nn \c__xtemplate_instances_root_tl { template~instance~>~ }
+\tl_const:Nn \c__xtemplate_keytypes_root_tl { template~key~types~>~ }
+\tl_const:Nn \c__xtemplate_key_order_root_tl { template~key~order~>~ }
+\tl_const:Nn \c__xtemplate_restrict_root_tl { template~restrictions~>~ }
+\tl_const:Nn \c__xtemplate_values_root_tl { template~values~>~ }
+\tl_const:Nn \c__xtemplate_vars_root_tl { template~vars~>~ }
+\seq_const_from_clist:Nn \c__xtemplate_keytypes_arg_seq
+ { choice , function , instance }
+\prop_new:N \g__xtemplate_object_type_prop
+\tl_new:N \l__xtemplate_assignments_tl
+\tl_new:N \l__xtemplate_collection_tl
+\prop_new:N \l__xtemplate_collections_prop
+\tl_new:N \l__xtemplate_default_tl
+\bool_new:N \l__xtemplate_error_bool
+\bool_new:N \l__xtemplate_global_bool
+\bool_new:N \l__xtemplate_restrict_bool
+\clist_new:N \l__xtemplate_restrict_clist
+\tl_new:N \l__xtemplate_key_name_tl
+\tl_new:N \l__xtemplate_keytype_tl
+\tl_new:N \l__xtemplate_keytype_arg_tl
+\tl_new:N \l__xtemplate_value_tl
+\tl_new:N \l__xtemplate_var_tl
+\prop_new:N \l__xtemplate_keytypes_prop
+\seq_new:N \l__xtemplate_key_order_seq
+\prop_new:N \l__xtemplate_values_prop
+\prop_new:N \l__xtemplate_vars_prop
+\clist_new:N \l__xtemplate_tmp_clist
+\dim_new:N \l__xtemplate_tmp_dim
+\int_new:N \l__xtemplate_tmp_int
+\muskip_new:N \l__xtemplate_tmp_muskip
+\skip_new:N \l__xtemplate_tmp_skip
+\tl_new:N \l__xtemplate_tmp_tl
+\scan_new:N \s__xtemplate_mark
+\scan_new:N \s__xtemplate_stop
+\quark_new:N \q__xtemplate_nil
+\__kernel_quark_new_conditional:Nn \__xtemplate_quark_if_nil:N { F }
+\cs_generate_variant:Nn \prop_get:NnNTF { No }
+\cs_generate_variant:Nn \prop_get:NnNT { No }
+\cs_generate_variant:Nn \prop_get:NnNF { No }
+\cs_new_protected:Npn \__xtemplate_execute_if_arg_agree:nnT #1#2#3
+ {
+ \prop_get:NnN \g__xtemplate_object_type_prop {#1} \l__xtemplate_tmp_tl
+ \int_compare:nNnTF {#2} = \l__xtemplate_tmp_tl
+ {#3}
+ {
+ \msg_error:nneee { xtemplate }
+ { argument-number-mismatch } {#1} { \l__xtemplate_tmp_tl } {#2}
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_execute_if_code_exist:nnT #1#2#3
+ {
+ \cs_if_exist:cTF { \c__xtemplate_code_root_tl #1 / #2 }
+ {#3}
+ {
+ \msg_error:nnee { xtemplate } { no-template-code }
+ {#1} {#2}
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_execute_if_keytype_exist:nT #1#2
+ {
+ \cs_if_exist:cTF { __xtemplate_store_value_ #1 :n }
+ {#2}
+ { \msg_error:nne { xtemplate } { unknown-keytype } {#1} }
+ }
+\cs_generate_variant:Nn \__xtemplate_execute_if_keytype_exist:nT { o }
+\cs_new_protected:Npn \__xtemplate_execute_if_type_exist:nT #1#2
+ {
+ \prop_if_in:NnTF \g__xtemplate_object_type_prop {#1}
+ {#2}
+ { \msg_error:nne { xtemplate } { unknown-object-type } {#1} }
+ }
+\cs_new_protected:Npn \__xtemplate_if_keys_exist:nnT #1#2#3
+ {
+ \cs_if_exist:cTF { \c__xtemplate_keytypes_root_tl #1 / #2 }
+ {#3}
+ {
+ \msg_error:nnee { xtemplate } { unknown-template }
+ {#1} {#2}
+ }
+ }
+\prg_new_conditional:Npnn \__xtemplate_if_key_value:n #1 { T , F , TF }
+ {
+ \str_if_eq:noTF { \KeyValue } { \tl_head:w #1 \q_nil \q_stop }
+ { \prg_return_true: }
+ { \prg_return_false: }
+ }
+\cs_generate_variant:Nn \__xtemplate_if_key_value:nT { o }
+\cs_generate_variant:Nn \__xtemplate_if_key_value:nF { o }
+\cs_generate_variant:Nn \__xtemplate_if_key_value:nTF { o }
+\prg_new_conditional:Npnn \__xtemplate_if_instance_exist:nnn #1#2#3
+ { T, F, TF }
+ {
+ \cs_if_exist:cTF { \c__xtemplate_instances_root_tl #1 / #2 / #3 }
+ { \prg_return_true: }
+ { \prg_return_false: }
+ }
+\prg_new_conditional:Npnn \__xtemplate_if_use_template:n #1 { TF }
+ {
+ \str_if_eq:noTF { \UseTemplate } { \tl_head:w #1 \q_nil \q_stop }
+ { \prg_return_true: }
+ { \prg_return_false: }
+}
+\cs_new_protected:Npn \__xtemplate_store_defaults:n #1
+ {
+ \prop_gclear_new:c { \c__xtemplate_defaults_root_tl #1 }
+ \prop_gset_eq:cN { \c__xtemplate_defaults_root_tl #1 }
+ \l__xtemplate_values_prop
+ }
+\cs_new_protected:Npn \__xtemplate_store_keytypes:n #1
+ {
+ \prop_gclear_new:c { \c__xtemplate_keytypes_root_tl #1 }
+ \prop_gset_eq:cN { \c__xtemplate_keytypes_root_tl #1 }
+ \l__xtemplate_keytypes_prop
+ \seq_gclear_new:c { \c__xtemplate_key_order_root_tl #1 }
+ \seq_gset_eq:cN { \c__xtemplate_key_order_root_tl #1 }
+ \l__xtemplate_key_order_seq
+ }
+\cs_new_protected:Npn \__xtemplate_store_values:n #1
+ {
+ \prop_clear_new:c { \c__xtemplate_values_root_tl #1 }
+ \prop_set_eq:cN { \c__xtemplate_values_root_tl #1 }
+ \l__xtemplate_values_prop
+ }
+\cs_new_protected:Npn \__xtemplate_store_restrictions:n #1
+ {
+ \clist_gclear_new:c { \c__xtemplate_restrict_root_tl #1 }
+ \clist_gset_eq:cN { \c__xtemplate_restrict_root_tl #1 }
+ \l__xtemplate_restrict_clist
+ }
+\cs_new_protected:Npn \__xtemplate_store_vars:n #1
+ {
+ \prop_gclear_new:c { \c__xtemplate_vars_root_tl #1 }
+ \prop_gset_eq:cN { \c__xtemplate_vars_root_tl #1 }
+ \l__xtemplate_vars_prop
+ }
+\cs_new_protected:Npn \__xtemplate_recover_defaults:n #1
+ {
+ \prop_if_exist:cTF
+ { \c__xtemplate_defaults_root_tl #1 }
+ {
+ \prop_set_eq:Nc \l__xtemplate_values_prop
+ { \c__xtemplate_defaults_root_tl #1 }
+ }
+ { \prop_clear:N \l__xtemplate_values_prop }
+ }
+\cs_new_protected:Npn \__xtemplate_recover_keytypes:n #1
+ {
+ \prop_if_exist:cTF
+ { \c__xtemplate_keytypes_root_tl #1 }
+ {
+ \prop_set_eq:Nc \l__xtemplate_keytypes_prop
+ { \c__xtemplate_keytypes_root_tl #1 }
+ }
+ { \prop_clear:N \l__xtemplate_keytypes_prop }
+ \seq_if_exist:cTF { \c__xtemplate_key_order_root_tl #1 }
+ {
+ \seq_set_eq:Nc \l__xtemplate_key_order_seq
+ { \c__xtemplate_key_order_root_tl #1 }
+ }
+ { \seq_clear:N \l__xtemplate_key_order_seq }
+ }
+\cs_new_protected:Npn \__xtemplate_recover_restrictions:n #1
+ {
+ \clist_if_exist:cTF
+ { \c__xtemplate_restrict_root_tl #1 }
+ {
+ \clist_set_eq:Nc \l__xtemplate_restrict_clist
+ { \c__xtemplate_restrict_root_tl #1 }
+ }
+ { \clist_clear:N \l__xtemplate_restrict_clist }
+ }
+\cs_new_protected:Npn \__xtemplate_recover_values:n #1
+ {
+ \prop_if_exist:cTF
+ { \c__xtemplate_values_root_tl #1 }
+ {
+ \prop_set_eq:Nc \l__xtemplate_values_prop
+ { \c__xtemplate_values_root_tl #1 }
+ }
+ { \prop_clear:N \l__xtemplate_values_prop }
+ }
+\cs_new_protected:Npn \__xtemplate_recover_vars:n #1
+ {
+ \prop_if_exist:cTF
+ { \c__xtemplate_vars_root_tl #1 }
+ {
+ \prop_set_eq:Nc \l__xtemplate_vars_prop
+ { \c__xtemplate_vars_root_tl #1 }
+ }
+ { \prop_clear:N \l__xtemplate_vars_prop }
+ }
+\cs_new_protected:Npn \__xtemplate_declare_object_type:nn #1#2
+ {
+ \int_set:Nn \l__xtemplate_tmp_int {#2}
+ \int_compare:nTF { 0 <= \l__xtemplate_tmp_int <= 9 }
+ {
+ \msg_info:nnnV { xtemplate } { declare-object-type }
+ {#1} \l__xtemplate_tmp_int
+ \prop_gput:NnV \g__xtemplate_object_type_prop {#1}
+ \l__xtemplate_tmp_int
+ }
+ {
+ \msg_error:nnee { xtemplate } { bad-number-of-arguments }
+ {#1} { \exp_not:V \l__xtemplate_tmp_int }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_declare_template_keys:nnnn #1#2#3#4
+ {
+ \__xtemplate_execute_if_type_exist:nT {#1}
+ {
+ \__xtemplate_execute_if_arg_agree:nnT {#1} {#3}
+ {
+ \prop_clear:N \l__xtemplate_values_prop
+ \prop_clear:N \l__xtemplate_keytypes_prop
+ \seq_clear:N \l__xtemplate_key_order_seq
+ \keyval_parse:NNn
+ \__xtemplate_parse_keys_elt:n \__xtemplate_parse_keys_elt:nn {#4}
+ \__xtemplate_store_defaults:n { #1 / #2 }
+ \__xtemplate_store_keytypes:n { #1 / #2 }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_keys_elt:n #1
+ {
+ \__xtemplate_split_keytype:n {#1}
+ \bool_if:NF \l__xtemplate_error_bool
+ {
+ \__xtemplate_execute_if_keytype_exist:oT \l__xtemplate_keytype_tl
+ {
+ \seq_map_function:NN \c__xtemplate_keytypes_arg_seq
+ \__xtemplate_parse_keys_elt_aux:n
+ \bool_if:NF \l__xtemplate_error_bool
+ {
+ \seq_if_in:NoTF \l__xtemplate_key_order_seq
+ \l__xtemplate_key_name_tl
+ {
+ \msg_error:nne { xtemplate }
+ { duplicate-key-interface }
+ { \l__xtemplate_key_name_tl }
+ }
+ { \__xtemplate_parse_keys_elt_aux: }
+ }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_keys_elt_aux:n #1
+ {
+ \str_if_eq:onT \l__xtemplate_keytype_tl {#1}
+ {
+ \tl_if_empty:NT \l__xtemplate_keytype_arg_tl
+ {
+ \msg_error:nne { xtemplate }
+ { keytype-requires-argument } {#1}
+ \bool_set_true:N \l__xtemplate_error_bool
+ \seq_map_break:
+ }
+ }
+ }
+\cs_new:Npn \__xtemplate_parse_keys_elt_aux:
+ {
+ \tl_set:Ne \l__xtemplate_tmp_tl
+ {
+ \l__xtemplate_keytype_tl
+ \tl_if_empty:NF \l__xtemplate_keytype_arg_tl
+ { { \l__xtemplate_keytype_arg_tl } }
+ }
+ \prop_put:Noo \l__xtemplate_keytypes_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ \seq_put_right:No \l__xtemplate_key_order_seq \l__xtemplate_key_name_tl
+ \str_if_eq:onT \l__xtemplate_keytype_tl { choice }
+ {
+ \exp_args:No \clist_if_in:nnT \l__xtemplate_keytype_arg_tl { unknown }
+ { \msg_error:nn { xtemplate } { choice-unknown-reserved } }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_keys_elt:nn #1#2
+ {
+ \__xtemplate_parse_keys_elt:n {#1}
+ \use:c { __xtemplate_store_value_ \l__xtemplate_keytype_tl :n } {#2}
+ }
+\cs_new_protected:Npe \__xtemplate_split_keytype:n #1
+ {
+ \exp_not:N \bool_set_false:N \exp_not:N \l__xtemplate_error_bool
+ \tl_set:Nn \exp_not:N \l__xtemplate_tmp_tl {#1}
+ \tl_replace_all:Nnn \exp_not:N \l__xtemplate_tmp_tl { : } { \token_to_str:N : }
+ \tl_if_in:onTF \exp_not:N \l__xtemplate_tmp_tl { \token_to_str:N : }
+ {
+ \exp_not:n
+ {
+ \tl_clear:N \l__xtemplate_key_name_tl
+ \exp_after:wN \__xtemplate_split_keytype_aux:w
+ \l__xtemplate_tmp_tl \s__xtemplate_stop
+ }
+ }
+ {
+ \exp_not:N \bool_set_true:N \exp_not:N \l__xtemplate_error_bool
+ \msg_error:nne { xtemplate } { missing-keytype } {#1}
+ }
+ }
+\use:e
+ {
+ \cs_new_protected:Npn \exp_not:N \__xtemplate_split_keytype_aux:w
+ #1 \token_to_str:N : #2 \s__xtemplate_stop
+ {
+ \tl_put_right:Ne \exp_not:N \l__xtemplate_key_name_tl
+ {
+ \exp_not:N \tl_trim_spaces:e
+ { \exp_not:N \tl_to_str:n {#1} }
+ }
+ \tl_if_in:nnTF {#2} { \token_to_str:N : }
+ {
+ \tl_put_right:Nn \exp_not:N \l__xtemplate_key_name_tl
+ { \token_to_str:N : }
+ \exp_not:N \__xtemplate_split_keytype_aux:w #2 \s__xtemplate_stop
+ }
+ {
+ \exp_not:N \tl_if_empty:NTF \exp_not:N \l__xtemplate_key_name_tl
+ {
+ \msg_error:nne { xtemplate } { empty-key-name }
+ { \token_to_str:N : #2 }
+ }
+ { \exp_not:N \__xtemplate_split_keytype_arg:n {#2} }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_split_keytype_arg:n #1
+ {
+ \tl_set:Ne \l__xtemplate_keytype_tl { \tl_trim_spaces:n {#1} }
+ \tl_clear:N \l__xtemplate_keytype_arg_tl
+ \cs_set_protected:Npn \__xtemplate_split_keytype_arg_aux:n ##1
+ {
+ \tl_if_in:nnT {#1} {##1}
+ {
+ \cs_set:Npn \__xtemplate_split_keytype_arg_aux:w
+ ####1 ##1 ####2 \s__xtemplate_stop
+ {
+ \tl_if_blank:nT {####1}
+ {
+ \tl_set:Ne \l__xtemplate_keytype_tl
+ { \tl_trim_spaces:n {##1} }
+ \tl_if_blank:nF {####2}
+ {
+ \tl_set:Ne \l__xtemplate_keytype_arg_tl
+ { \use:n ####2 }
+ }
+ \seq_map_break:
+ }
+ }
+ \__xtemplate_split_keytype_arg_aux:w #1 \s__xtemplate_stop
+ }
+ }
+ \seq_map_function:NN \c__xtemplate_keytypes_arg_seq
+ \__xtemplate_split_keytype_arg_aux:n
+ }
+\cs_generate_variant:Nn \__xtemplate_split_keytype_arg:n { o }
+\cs_new:Npn \__xtemplate_split_keytype_arg_aux:n #1 { }
+\cs_new:Npn \__xtemplate_split_keytype_arg_aux:w #1 \s__xtemplate_stop { }
+\cs_new_protected:Npn \__xtemplate_store_value_boolean:n #1
+ { \prop_put:Non \l__xtemplate_values_prop \l__xtemplate_key_name_tl {#1} }
+\cs_new_protected:Npn \__xtemplate_store_value:n #1
+ { \prop_put:Non \l__xtemplate_values_prop \l__xtemplate_key_name_tl {#1} }
+\cs_new_eq:NN \__xtemplate_store_value_choice:n \__xtemplate_store_value:n
+\cs_new_eq:NN \__xtemplate_store_value_function:n \__xtemplate_store_value:n
+\cs_new_eq:NN \__xtemplate_store_value_instance:n \__xtemplate_store_value:n
+\cs_new_protected:Npn \__xtemplate_store_value_aux:Nn #1#2
+ { \prop_put:Non \l__xtemplate_values_prop \l__xtemplate_key_name_tl {#2} }
+\cs_new_protected:Npn \__xtemplate_store_value_integer:n
+ { \__xtemplate_store_value_aux:Nn \int_eval:n }
+\cs_new_protected:Npn \__xtemplate_store_value_length:n
+ { \__xtemplate_store_value_aux:Nn \dim_eval:n }
+\cs_new_protected:Npn \__xtemplate_store_value_muskip:n
+ { \__xtemplate_store_value_aux:Nn \muskip_eval:n }
+\cs_new_protected:Npn \__xtemplate_store_value_real:n
+ { \__xtemplate_store_value_aux:Nn \fp_eval:n }
+\cs_new_protected:Npn \__xtemplate_store_value_skip:n
+ { \__xtemplate_store_value_aux:Nn \skip_eval:n }
+\cs_new_protected:Npn \__xtemplate_store_value_tokenlist:n
+ { \__xtemplate_store_value_aux:Nn \use:n }
+\cs_new_eq:NN \__xtemplate_store_value_commalist:n \__xtemplate_store_value_tokenlist:n
+\cs_new_protected:Npn \__xtemplate_declare_template_code:nnnnn #1#2#3#4#5
+ {
+ \__xtemplate_execute_if_type_exist:nT {#1}
+ {
+ \__xtemplate_execute_if_arg_agree:nnT {#1}{#3}
+ {
+ \__xtemplate_if_keys_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_store_key_implementation:nnn {#1} {#2} {#4}
+ \regex_match:nnTF { \c { AssignTemplateKeys } } {#5}
+ { \__xtemplate_declare_template_code:nnn { #1 / #2 } {#3} {#5} }
+ {
+ \__xtemplate_declare_template_code:nnn
+ { #1 / #2 } {#3} { \AssignTemplateKeys #5 }
+ }
+ }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_declare_template_code:nnn #1#2#3
+ {
+ \cs_generate_from_arg_count:cNnn
+ { \c__xtemplate_code_root_tl #1 }
+ \cs_gset_protected:Npn {#2} {#3}
+ }
+\cs_new_protected:Npn \__xtemplate_store_key_implementation:nnn #1#2#3
+ {
+ \__xtemplate_recover_defaults:n { #1 / #2 }
+ \__xtemplate_recover_restrictions:n { #1 / #2 }
+ \__xtemplate_recover_keytypes:n { #1 / #2 }
+ \prop_clear:N \l__xtemplate_vars_prop
+ \keyval_parse:nnn
+ { \__xtemplate_parse_vars_elt:n } { \__xtemplate_parse_vars_elt:nnn { #1 / #2 } } {#3}
+ \__xtemplate_store_vars:n { #1 / #2 }
+ \__xtemplate_store_restrictions:n { #1 / #2 }
+ \prop_map_inline:Nn \l__xtemplate_keytypes_prop
+ {
+ \msg_error:nneee { xtemplate } { key-not-implemented }
+ {##1} {#2} {#1}
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_vars_elt:n #1
+ { \msg_error:nne { xtemplate } { key-no-variable } {#1} }
+\cs_new_protected:Npn \__xtemplate_parse_vars_elt:nnn #1#2#3
+ {
+ \tl_set:Ne \l__xtemplate_key_name_tl
+ { \tl_trim_spaces:e { \tl_to_str:n {#2} } }
+ \prop_get:NoNTF
+ \l__xtemplate_keytypes_prop
+ \l__xtemplate_key_name_tl
+ \l__xtemplate_keytype_tl
+ {
+ \__xtemplate_split_keytype_arg:o \l__xtemplate_keytype_tl
+ \__xtemplate_parse_vars_elt_aux:nn {#1} {#3}
+ \prop_remove:NV \l__xtemplate_keytypes_prop \l__xtemplate_key_name_tl
+ }
+ { \msg_error:nne { xtemplate } { unknown-key } {#2} }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_vars_elt_aux:nn #1#2
+ {
+ \__xtemplate_parse_vars_elt_aux:nw {#1} #2 global global \s__xtemplate_stop
+ }
+\cs_new_protected:Npn \__xtemplate_parse_vars_elt_aux:nw
+ #1#2 global #3 global #4 \s__xtemplate_stop
+ {
+ \tl_if_blank:nTF {#4}
+ { \__xtemplate_parse_vars_elt_aux:nnn {#1} { } {#2} }
+ {
+ \tl_if_blank:nTF {#2}
+ {
+ \exp_args:Nnne \__xtemplate_parse_vars_elt_aux:nnn
+ {#1} { global } { \tl_trim_spaces:n {#3} }
+ }
+ { \msg_error:nnn { xtemplate } { bad-variable } { #2 global #3 } }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_vars_elt_aux:nnn #1#2#3
+ {
+ \str_case:VnF \l__xtemplate_keytype_tl
+ {
+ { choice } { \__xtemplate_implement_choices:nn {#1} {#3} }
+ { function }
+ {
+ \cs_if_exist:NF #3
+ { \cs_new:Npn #3 { } }
+ \__xtemplate_parse_vars_elt_key:nn {#1}
+ {
+ .code:n =
+ {
+ \cs_generate_from_arg_count:NNnn
+ \exp_not:N #3
+ \exp_not:c
+ { cs_ \str_if_eq:nnT {#1} { global } { g } set:Npn }
+ { \exp_not:o \l__xtemplate_keytype_arg_tl }
+ {##1}
+ }
+ }
+ \prop_put:Non \l__xtemplate_vars_prop
+ \l__xtemplate_key_name_tl {#2#3}
+ }
+ { instance }
+ {
+ \__xtemplate_parse_vars_elt_key:nn {#1}
+ {
+ .code:n =
+ {
+ \exp_not:c
+ { cs_ \str_if_eq:nnT {#1} { global } { g } set:Npn }
+ \exp_not:N #3 { \UseInstance {##1} }
+ }
+ }
+ \prop_put:Non \l__xtemplate_vars_prop
+ \l__xtemplate_key_name_tl {#2#3}
+ }
+ }
+ {
+ \tl_if_single:nTF {#3}
+ {
+ \cs_if_exist:NF #3
+ { \use:c { \__xtemplate_map_var_type: _new:N } #3 }
+ \__xtemplate_parse_vars_elt_key:nn {#1}
+ {
+ . \__xtemplate_map_var_type:
+ _ \str_if_eq:nnT {#1} { global } { g } set:N
+ = \exp_not:N #3
+ }
+ \prop_put:Non \l__xtemplate_vars_prop
+ \l__xtemplate_key_name_tl {#2#3}
+ }
+ { \msg_error:nne { xtemplate } { bad-variable } { #2#3 } }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_vars_elt_key:nn #1#2
+ {
+ \keys_define:ne { template / #1 }
+ { \l__xtemplate_key_name_tl #2 }
+ }
+\cs_new:Npn \__xtemplate_map_var_type:
+ {
+ \str_case:on \l__xtemplate_keytype_tl
+ {
+ { boolean } { bool }
+ { commalist } { clist }
+ { integer } { int }
+ { length } { dim }
+ { muskip } { muskip }
+ { real } { fp }
+ { skip } { skip }
+ { tokenlist } { tl }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_implement_choices:nn #1#2
+ {
+ \clist_set:No \l__xtemplate_tmp_clist { \l__xtemplate_keytype_arg_tl }
+ \prop_put:Non \l__xtemplate_vars_prop \l__xtemplate_key_name_tl { }
+ \keys_define:ne { template / #1 } { \l__xtemplate_key_name_tl .choice: }
+ \keyval_parse:nnn
+ { \__xtemplate_implement_choice_elt:n }
+ { \__xtemplate_implement_choice_elt:nnn {#1} }
+ {#2}
+ \prop_get:NoNT \l__xtemplate_values_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ { \__xtemplate_implement_choices_default: }
+ \clist_if_empty:NF \l__xtemplate_tmp_clist
+ {
+ \clist_map_inline:Nn \l__xtemplate_tmp_clist
+ {
+ \msg_error:nne { xtemplate } { choice-not-implemented }
+ {##1}
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_implement_choices_default:
+ {
+ \tl_set:Ne \l__xtemplate_tmp_tl
+ { \l__xtemplate_key_name_tl \c_space_tl \l__xtemplate_tmp_tl }
+ \prop_if_in:NoF \l__xtemplate_vars_prop \l__xtemplate_tmp_tl
+ {
+ \tl_set:Ne \l__xtemplate_tmp_tl
+ { \l__xtemplate_key_name_tl \c_space_tl \l__xtemplate_tmp_tl }
+ \prop_if_in:NoF \l__xtemplate_vars_prop \l__xtemplate_tmp_tl
+ {
+ \prop_get:NoN \l__xtemplate_keytypes_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ \__xtemplate_split_keytype_arg:o \l__xtemplate_tmp_tl
+ \prop_get:NoN \l__xtemplate_values_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ \msg_error:nneee { xtemplate } { unknown-default-choice }
+ { \l__xtemplate_key_name_tl } { \l__xtemplate_key_name_tl }
+ { \l__xtemplate_keytype_arg_tl }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_implement_choice_elt:nnn #1#2#3
+ {
+ \clist_if_empty:NTF \l__xtemplate_tmp_clist
+ {
+ \str_if_eq:nnTF {#2} { unknown }
+ { \__xtemplate_implement_choice_elt_aux:nnn {#1} {#2} {#3} }
+ {
+ \prop_get:NoN \l__xtemplate_keytypes_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ \__xtemplate_split_keytype_arg:o \l__xtemplate_tmp_tl
+ \msg_error:nneee { xtemplate } { unknown-choice }
+ { \l__xtemplate_key_name_tl } {#2}
+ { \l__xtemplate_keytype_arg_tl }
+ }
+ }
+ {
+ \clist_if_in:NnTF \l__xtemplate_tmp_clist {#2}
+ {
+ \clist_remove_all:Nn \l__xtemplate_tmp_clist {#2}
+ \__xtemplate_implement_choice_elt_aux:nnn {#1} {#2} {#3}
+ }
+ {
+ \prop_get:NoN \l__xtemplate_keytypes_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ \__xtemplate_split_keytype_arg:o \l__xtemplate_tmp_tl
+ \msg_error:nneee { xtemplate } { unknown-choice }
+ { \l__xtemplate_key_name_tl } {#2}
+ { \l__xtemplate_keytype_arg_tl }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_implement_choice_elt_aux:nnn #1#2#3
+ {
+ \keys_define:ne { template / #1 }
+ { \l__xtemplate_key_name_tl / #2 .code:n = { \exp_not:n {#3} } }
+ \tl_set:Ne \l__xtemplate_tmp_tl
+ { \l__xtemplate_key_name_tl \c_space_tl #2 }
+ \prop_put:Non \l__xtemplate_vars_prop \l__xtemplate_tmp_tl {#3}
+ }
+\cs_new_protected:Npn \__xtemplate_implement_choice_elt:n #1
+ {
+ \msg_error:nneee { xtemplate } { choice-requires-code }
+ { \l__xtemplate_key_name_tl } {#1}
+ }
+\cs_new_protected:Npn \__xtemplate_declare_restricted:nnnn #1#2#3#4
+ {
+ \__xtemplate_if_keys_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_set_template_eq:nn { #1 / #3 } { #1 / #2 }
+ \bool_set_true:N \l__xtemplate_restrict_bool
+ \__xtemplate_edit_defaults_aux:nnn {#1} {#3} {#4}
+ \bool_set_false:N \l__xtemplate_restrict_bool
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_edit_defaults:nnn
+ {
+ \bool_set_false:N \l__xtemplate_restrict_bool
+ \__xtemplate_edit_defaults_aux:nnn
+ }
+\cs_new_protected:Npn \__xtemplate_edit_defaults_aux:nnn #1#2#3
+ {
+ \__xtemplate_if_keys_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_recover_defaults:n { #1 / #2 }
+ \__xtemplate_recover_restrictions:n { #1 / #2 }
+ \__xtemplate_parse_values:nn { #1 / #2 } {#3}
+ \__xtemplate_store_defaults:n { #1 / #2 }
+ \__xtemplate_store_restrictions:n { #1 / #2 }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_values:nn #1#2
+ {
+ \clist_clear:N \l__xtemplate_restrict_clist
+ \__xtemplate_parse_values_aux:nn {#1} {#2}
+ }
+\cs_new_protected:Npn \__xtemplate_parse_values_aux:nn #1#2
+ {
+ \__xtemplate_recover_keytypes:n {#1}
+ \keyval_parse:NNn
+ \__xtemplate_parse_values_elt:n \__xtemplate_parse_values_elt:nn {#2}
+ }
+\cs_new_protected:Npn \__xtemplate_parse_values_elt:n #1
+ {
+ \bool_set_true:N \l__xtemplate_error_bool
+ \msg_error:nne { xtemplate } { key-no-value } {#1}
+ }
+\cs_new_protected:Npn \__xtemplate_parse_values_elt:nn #1#2
+ {
+ \tl_set:Ne \l__xtemplate_key_name_tl
+ { \tl_trim_spaces:e { \tl_to_str:n {#1} } }
+ \prop_get:NoNTF \l__xtemplate_keytypes_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ {
+ \bool_if:NTF \l__xtemplate_restrict_bool
+ {
+ \clist_if_in:NoF \l__xtemplate_restrict_clist
+ \l__xtemplate_key_name_tl
+ { \__xtemplate_parse_values_elt_aux:n {#2} }
+ }
+ { \__xtemplate_parse_values_elt_aux:n {#2} }
+ }
+ {
+ \msg_error:nne { xtemplate } { unknown-key }
+ { \l__xtemplate_key_name_tl }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_parse_values_elt_aux:n #1
+ {
+ \clist_put_right:No \l__xtemplate_restrict_clist \l__xtemplate_key_name_tl
+ \__xtemplate_split_keytype_arg:o \l__xtemplate_tmp_tl
+ \use:c { __xtemplate_store_value_ \l__xtemplate_keytype_tl :n } {#1}
+ }
+\cs_new_protected:Npn \__xtemplate_set_template_eq:nn #1#2
+ {
+ \__xtemplate_recover_defaults:n {#2}
+ \__xtemplate_store_defaults:n {#1}
+ \__xtemplate_recover_keytypes:n {#2}
+ \__xtemplate_store_keytypes:n {#1}
+ \__xtemplate_recover_vars:n {#2}
+ \__xtemplate_store_vars:n {#1}
+ \cs_gset_eq:cc { \c__xtemplate_code_root_tl #1 }
+ { \c__xtemplate_code_root_tl #2 }
+ }
+\cs_new_protected:Npn \__xtemplate_declare_instance:nnnnn #1#2#3#4#5
+ {
+ \__xtemplate_execute_if_code_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_recover_defaults:n { #1 / #2 }
+ \__xtemplate_recover_restrictions:n { #1 / #2 }
+ \__xtemplate_recover_vars:n { #1 / #2 }
+ \__xtemplate_declare_instance_aux:nnnnn {#1} {#2} {#3} {#4} {#5}
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_declare_instance_aux:nnnnn #1#2#3#4#5
+ {
+ \bool_set_false:N \l__xtemplate_error_bool
+ \__xtemplate_parse_values_aux:nn { #1 / #2 } {#5}
+ \bool_if:NF \l__xtemplate_error_bool
+ {
+ \prop_put:Nnn \l__xtemplate_values_prop { from~template } {#2}
+ \__xtemplate_store_values:n { #1 / #3 / #4 }
+ \__xtemplate_convert_to_assignments:
+ \cs_set_protected:cpe { \c__xtemplate_instances_root_tl #1 / #3 / #4 }
+ {
+ \exp_not:N \__xtemplate_assignments_push:n
+ { \exp_not:o \l__xtemplate_assignments_tl }
+ \exp_not:c { \c__xtemplate_code_root_tl #1 / #2 }
+ }
+ \__xtemplate_if_instance_exist:nnnF {#1} { } {#4}
+ {
+ \cs_set_eq:cc
+ { \c__xtemplate_instances_root_tl #1 / / #4 }
+ { \c__xtemplate_instances_root_tl #1 / #3 / #4 }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_copy_instance:nnnn #1#2#3#4
+ {
+ \__xtemplate_if_instance_exist:nnnTF {#1} {#2} {#3}
+ {
+ \__xtemplate_recover_values:n { #1 / #2 / #3 }
+ \__xtemplate_store_values:n { #1 / #2 / #4 }
+ \cs_set_eq:cc { \c__xtemplate_instances_root_tl #1 / #2 / #4 }
+ { \c__xtemplate_instances_root_tl #1 / #2 / #3 }
+ }
+ {
+ \msg_error:nnee { xtemplate } { unknown-instance }
+ {#1} {#3}
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_edit_instance:nnnn #1#2#3#4
+ {
+ \__xtemplate_if_instance_exist:nnnTF {#1} {#2} {#3}
+ {
+ \__xtemplate_recover_values:n { #1 / #2 / #3 }
+ \prop_get:NnN \l__xtemplate_values_prop { from~template }
+ \l__xtemplate_tmp_tl
+ \__xtemplate_edit_instance_aux:nonnn {#1} \l__xtemplate_tmp_tl
+ {#2} {#3} {#4}
+ }
+ {
+ \msg_error:nnee { xtemplate } { unknown-instance }
+ {#1} {#3}
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_edit_instance_aux:nnnnn #1#2
+ {
+ \__xtemplate_recover_vars:n { #1 / #2 }
+ \__xtemplate_declare_instance_aux:nnnnn {#1} {#2}
+ }
+\cs_generate_variant:Nn \__xtemplate_edit_instance_aux:nnnnn { no }
+\cs_new_protected:Npn \__xtemplate_convert_to_assignments:
+ {
+ \tl_clear:N \l__xtemplate_assignments_tl
+ \seq_map_function:NN \l__xtemplate_key_order_seq
+ \__xtemplate_convert_to_assignments_aux:n
+ }
+\cs_new_protected:Npn \__xtemplate_convert_to_assignments_aux:n #1
+ {
+ \prop_get:NnN \l__xtemplate_keytypes_prop {#1} \l__xtemplate_tmp_tl
+ \__xtemplate_convert_to_assignments_aux:no {#1} \l__xtemplate_tmp_tl
+ }
+\cs_new_protected:Npn \__xtemplate_convert_to_assignments_aux:nn #1#2
+ {
+ \prop_get:NnNT \l__xtemplate_values_prop {#1} \l__xtemplate_value_tl
+ {
+ \prop_get:NnNTF \l__xtemplate_vars_prop {#1} \l__xtemplate_var_tl
+ {
+ \__xtemplate_split_keytype_arg:n {#2}
+ \str_if_eq:onF \l__xtemplate_keytype_tl { choice }
+ {
+ \str_if_eq:onF \l__xtemplate_keytype_tl { code }
+ { \__xtemplate_find_global: }
+ }
+ \tl_set:Nn \l__xtemplate_key_name_tl {#1}
+ \use:c { __xtemplate_assign_ \l__xtemplate_keytype_tl : }
+ }
+ { \msg_error:nne { xtemplate } { unknown-attribute } {#1} }
+ }
+ }
+\cs_generate_variant:Nn \__xtemplate_convert_to_assignments_aux:nn { no }
+\cs_new_protected:Npn \__xtemplate_find_global:
+ {
+ \bool_set_false:N \l__xtemplate_global_bool
+ \tl_if_in:onT \l__xtemplate_var_tl { global }
+ {
+ \exp_after:wN \__xtemplate_find_global_aux:w \l__xtemplate_var_tl \s__xtemplate_stop
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_find_global_aux:w #1 global #2 \s__xtemplate_stop
+ {
+ \tl_set:Nn \l__xtemplate_var_tl {#2}
+ \bool_set_true:N \l__xtemplate_global_bool
+ }
+\cs_new_protected:Npn \__xtemplate_use_template:nnn #1#2#3
+ {
+ \__xtemplate_execute_if_code_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_recover_defaults:n { #1 / #2 }
+ \__xtemplate_recover_vars:n { #1 / #2 }
+ \__xtemplate_parse_values:nn { #1 / #2 } {#3}
+ \__xtemplate_convert_to_assignments:
+ \use:c { \c__xtemplate_code_root_tl #1 / #2 }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_boolean:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_boolean_aux:n { bool_gset } }
+ { \__xtemplate_assign_boolean_aux:n { bool_set } }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_boolean_aux:n #1
+ {
+ \__xtemplate_if_key_value:oTF \l__xtemplate_value_tl
+ {
+ \__xtemplate_key_to_value:
+ \tl_put_right:Ne \l__xtemplate_assignments_tl
+ {
+ \exp_not:c { #1 _eq:NN }
+ \exp_not:o \l__xtemplate_var_tl
+ \exp_not:o \l__xtemplate_value_tl
+ }
+ }
+ {
+ \tl_put_right:Ne \l__xtemplate_assignments_tl
+ {
+ \exp_not:c { #1 _ \l__xtemplate_value_tl :N }
+ \exp_not:o \l__xtemplate_var_tl
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_choice:
+ {
+ \__xtemplate_assign_choice_aux:eF
+ { \l__xtemplate_key_name_tl \c_space_tl \l__xtemplate_value_tl }
+ {
+ \__xtemplate_assign_choice_aux:eF
+ { \l__xtemplate_key_name_tl \c_space_tl unknown }
+ {
+ \prop_get:NoN \l__xtemplate_keytypes_prop \l__xtemplate_key_name_tl
+ \l__xtemplate_tmp_tl
+ \__xtemplate_split_keytype_arg:o \l__xtemplate_tmp_tl
+ \msg_error:nneee { xtemplate } { unknown-choice }
+ { \l__xtemplate_key_name_tl } { \l__xtemplate_value_tl }
+ { \l__xtemplate_keytype_arg_tl }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_choice_aux:nF #1
+ {
+ \prop_get:NnNTF
+ \l__xtemplate_vars_prop
+ {#1}
+ \l__xtemplate_tmp_tl
+ { \tl_put_right:No \l__xtemplate_assignments_tl \l__xtemplate_tmp_tl }
+ }
+\cs_generate_variant:Nn \__xtemplate_assign_choice_aux:nF { e }
+\cs_new_protected:Npn \__xtemplate_assign_function:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_function_aux:N \cs_gset:Npn }
+ { \__xtemplate_assign_function_aux:N \cs_set:Npn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_function_aux:N #1
+ {
+ \tl_put_right:Ne \l__xtemplate_assignments_tl
+ {
+ \cs_generate_from_arg_count:NNnn
+ \exp_not:o \l__xtemplate_var_tl
+ \exp_not:N #1
+ { \exp_not:o \l__xtemplate_keytype_arg_tl }
+ { \exp_not:o \l__xtemplate_value_tl }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_instance:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_instance_aux:N \cs_gset_protected:Npn }
+ { \__xtemplate_assign_instance_aux:N \cs_set_protected:Npn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_instance_aux:N #1
+ {
+ \tl_put_right:Ne \l__xtemplate_assignments_tl
+ {
+ \exp_not:N #1 \exp_not:o \l__xtemplate_var_tl
+ {
+ \__xtemplate_use_instance:nn
+ { \exp_not:o \l__xtemplate_keytype_arg_tl }
+ { \exp_not:o \l__xtemplate_value_tl }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_integer:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_variable:N \int_gset:Nn }
+ { \__xtemplate_assign_variable:N \int_set:Nn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_length:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_variable:N \dim_gset:Nn }
+ { \__xtemplate_assign_variable:N \dim_set:Nn }
+}
+\cs_new_protected:Npn \__xtemplate_assign_muskip:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_variable:N \muskip_gset:Nn }
+ { \__xtemplate_assign_variable:N \muskip_set:Nn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_real:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_variable:N \fp_gset:Nn }
+ { \__xtemplate_assign_variable:N \fp_set:Nn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_skip:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_variable:N \skip_gset:Nn }
+ { \__xtemplate_assign_variable:N \skip_set:Nn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_tokenlist:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_tokenlist_aux:NN \tl_gset:NV \tl_gset:Nn }
+ { \__xtemplate_assign_tokenlist_aux:NN \tl_set:NV \tl_set:Nn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_tokenlist_aux:NN #1#2
+ {
+ \__xtemplate_if_key_value:oTF \l__xtemplate_value_tl
+ {
+ \__xtemplate_key_to_value:
+ \tl_put_right:Ne \l__xtemplate_assignments_tl
+ {
+ #1 \exp_not:o \l__xtemplate_var_tl
+ \exp_not:o \l__xtemplate_value_tl
+ }
+ }
+ {
+ \tl_put_right:Ne \l__xtemplate_assignments_tl
+ {
+ #2 \exp_not:o \l__xtemplate_var_tl
+ { \exp_not:o \l__xtemplate_value_tl }
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_commalist:
+ {
+ \bool_if:NTF \l__xtemplate_global_bool
+ { \__xtemplate_assign_tokenlist_aux:NN \clist_gset:NV \clist_gset:Nn }
+ { \__xtemplate_assign_tokenlist_aux:NN \clist_set:NV \clist_set:Nn }
+ }
+\cs_new_protected:Npn \__xtemplate_assign_variable:N #1
+ {
+ \__xtemplate_if_key_value:oT \l__xtemplate_value_tl
+ { \__xtemplate_key_to_value: }
+ \tl_put_right:Ne \l__xtemplate_assignments_tl
+ {
+ #1 \exp_not:o \l__xtemplate_var_tl
+ { \exp_not:o \l__xtemplate_value_tl }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_key_to_value:
+ { \exp_after:wN \__xtemplate_key_to_value_auxi:w \l__xtemplate_value_tl }
+\cs_new_protected:Npn \__xtemplate_key_to_value_auxi:w \KeyValue #1
+ {
+ \tl_set:Ne \l__xtemplate_tmp_tl { \tl_trim_spaces:e { \tl_to_str:n {#1} } }
+ \prop_get:NoNTF
+ \l__xtemplate_vars_prop
+ \l__xtemplate_tmp_tl
+ \l__xtemplate_value_tl
+ {
+ \exp_after:wN \__xtemplate_key_to_value_auxii:w \l__xtemplate_value_tl
+ \s__xtemplate_mark global \q__xtemplate_nil \s__xtemplate_stop
+ }
+ {
+ \msg_error:nne { xtemplate } { unknown-attribute }
+ { \l__xtemplate_tmp_tl }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_key_to_value_auxii:w #1 global #2#3 \s__xtemplate_stop
+ {
+ \__xtemplate_quark_if_nil:NF #2
+ { \tl_set:Nn \l__xtemplate_value_tl {#2} }
+ }
+\cs_new_protected:Npn \__xtemplate_use_instance:nn #1#2
+ {
+ \__xtemplate_if_use_template:nTF {#2}
+ { \__xtemplate_use_instance_aux:nNnnn {#1} #2 }
+ { \__xtemplate_use_instance_aux:nn {#1} {#2} }
+ }
+\cs_new_protected:Npn \__xtemplate_use_instance_aux:nNnnn #1#2#3#4#5
+ {
+ \str_if_eq:nnTF {#1} {#3}
+ { \__xtemplate_use_template:nnn {#3} {#4} {#5} }
+ { \msg_error:nnee { xtemplate } { type-mismatch } {#1} {#3} }
+}
+\cs_new_protected:Npn \__xtemplate_use_instance_aux:nn #1#2
+ {
+ \__xtemplate_get_collection:n {#1}
+ \__xtemplate_if_instance_exist:nnnTF
+ {#1} { \l__xtemplate_collection_tl } {#2}
+ {
+ \use:c
+ {
+ \c__xtemplate_instances_root_tl #1 /
+ \l__xtemplate_collection_tl / #2
+ }
+ }
+ {
+ \__xtemplate_if_instance_exist:nnnTF {#1} { } {#2}
+ { \use:c { \c__xtemplate_instances_root_tl #1 / / #2 } }
+ {
+ \msg_error:nnee { xtemplate } { unknown-instance }
+ {#1} {#2}
+ }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_use_collection:nn #1#2
+ { \prop_put:Nnn \l__xtemplate_collections_prop {#1} {#2} }
+\cs_new_protected:Npn \__xtemplate_get_collection:n #1
+ {
+ \prop_get:NnNF \l__xtemplate_collections_prop {#1}
+ \l__xtemplate_collection_tl
+ { \tl_clear:N \l__xtemplate_collection_tl }
+ }
+\cs_new:Npn \__xtemplate_assignments_pop: { \l__xtemplate_assignments_tl }
+\cs_new_protected:Npn \__xtemplate_assignments_push:n #1
+ { \tl_set:Nn \l__xtemplate_assignments_tl {#1} }
+\cs_new_protected:Npn \__xtemplate_show_code:nn #1#2
+ { \cs_show:c { \c__xtemplate_code_root_tl #1 / #2 } }
+\cs_new_protected:Npn \__xtemplate_show_defaults:nn #1#2
+ {
+ \__xtemplate_if_keys_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_recover_defaults:n { #1 / #2 }
+ \__xtemplate_show:Nnnn \l__xtemplate_values_prop
+ {#1} {#2} { default~values }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_show_keytypes:nn #1#2
+ {
+ \__xtemplate_if_keys_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_recover_keytypes:n { #1 / #2 }
+ \__xtemplate_show:Nnnn \l__xtemplate_keytypes_prop
+ {#1} {#2} { interface }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_show_vars:nn #1#2
+ {
+ \__xtemplate_execute_if_code_exist:nnT {#1} {#2}
+ {
+ \__xtemplate_recover_vars:n { #1 / #2 }
+ \__xtemplate_show:Nnnn \l__xtemplate_vars_prop
+ {#1} {#2} { variable~mapping }
+ }
+ }
+\cs_new_protected:Npn \__xtemplate_show:Nnnn #1#2#3#4
+ {
+ \msg_show:nneeee { xtemplate } { show-attribute }
+ { \tl_to_str:n {#2} }
+ { \tl_to_str:n {#3} }
+ { \tl_to_str:n {#4} }
+ { \prop_map_function:NN #1 \msg_show_item_unbraced:nn }
+ }
+\cs_new_protected:Npn \__xtemplate_show_values:nnn #1#2#3
+ {
+ \__xtemplate_if_instance_exist:nnnT {#1} {#2} {#3}
+ {
+ \__xtemplate_recover_values:n { #1 / #2 / #3 }
+ \msg_show:nneeee { xtemplate } { show-values }
+ { \tl_to_str:n {#1} }
+ { \tl_to_str:n {#2} }
+ { \tl_to_str:n {#3} }
+ {
+ \prop_map_function:NN \l__xtemplate_values_prop
+ \msg_show_item_unbraced:nn
+ }
+ }
+ }
+\msg_new:nnnn { xtemplate } { argument-number-mismatch }
+ { Object~type~'#1'~takes~#2~argument(s). }
+ {
+ Objects~of~type~'#1'~require~#2~argument(s).\\
+ You~have~tried~to~make~a~template~for~'#1'~
+ with~#3~argument(s),~which~is~not~possible:~
+ the~number~of~arguments~must~agree.
+ }
+\msg_new:nnnn { xtemplate } { bad-number-of-arguments }
+ { Bad~number~of~arguments~for~object~type~'#1'. }
+ {
+ An~object~may~accept~between~0~and~9~arguments.\\
+ You~asked~to~use~#2~arguments:~this~is~not~supported.
+ }
+\msg_new:nnnn { xtemplate } { bad-variable }
+ { Incorrect~variable~description~'#1'. }
+ {
+ The~argument~'#1'~is~not~of~the~form \\
+ ~~'<variable>'\\
+ ~or~\\
+ ~~'global~<variable>'.\\
+ It~must~be~given~in~one~of~these~formats~to~be~used~in~a~template.
+ }
+\msg_new:nnnn { xtemplate } { choice-not-implemented }
+ { The~choice~'#1'~has~no~implementation. }
+ {
+ Each~choice~listed~in~the~interface~for~a~template~must~
+ have~an~implementation.
+ }
+\msg_new:nnnn { xtemplate } { choice-no-code }
+ { The~choice~'#1'~requires~implementation~details. }
+ {
+ When~creating~template~code~using~\DeclareTemplateCode,~
+ each~choice~name~must~have~an~associated~implementation.\\
+ This~should~be~given~after~a~'='~sign:~LaTeX~did~not~find~one.
+ }
+\msg_new:nnnn { xtemplate } { choice-requires-code }
+ { The~choice~'#2'~for~key~'#1'~requires~an~implementation. }
+ {
+ You~should~have~put:\\
+ \ \ #1~:~choice~{~#2 = <code> ~} \\
+ but~LaTeX~did~not~find~any~<code>.
+ }
+\msg_new:nnnn { xtemplate } { duplicate-key-interface }
+ { Key~'#1'~appears~twice~in~interface~definition~\msg_line_context:. }
+ {
+ Each~key~can~only~have~one~interface~declared~in~a~template.\\
+ LaTeX~found~two~interfaces~for~'#1'.
+ }
+\msg_new:nnnn { xtemplate } { keytype-requires-argument }
+ { The~key~type~'#1'~requires~an~argument~\msg_line_context:. }
+ {
+ You~should~have~put:\\
+ \ \ <key-name>~:~#1~{~<argument>~} \\
+ but~LaTeX~did~not~find~an~<argument>.
+ }
+\msg_new:nnnn { xtemplate } { invalid-keytype }
+ { The~key~'#1'~is~missing~a~key-type~\msg_line_context:. }
+ {
+ Each~key~in~a~template~requires~a~key-type,~given~in~the~form:\\
+ \ \ <key>~:~<key-type>\\
+ LaTeX~could~not~find~a~<key-type>~in~your~input.
+ }
+\msg_new:nnnn { xtemplate } { key-no-value }
+ { The~key~'#1'~has~no~value~\msg_line_context:. }
+ {
+ When~creating~an~instance~of~a~template~
+ every~key~listed~must~include~a~value:\\
+ \ \ <key>~=~<value>
+ }
+\msg_new:nnnn { xtemplate } { key-no-variable }
+ { The~key~'#1'~requires~implementation~details~\msg_line_context:. }
+ {
+ When~creating~template~code~using~\DeclareTemplateCode,~
+ each~key~name~must~have~an~associated~implementation.\\
+ This~should~be~given~after~a~'='~sign:~LaTeX~did~not~find~one.
+ }
+\msg_new:nnnn { xtemplate } { key-not-implemented }
+ { Key~'#1'~has~no~implementation~\msg_line_context:. }
+ {
+ The~definition~of~key~implementations~for~template~'#2'~
+ of~object~type~'#3'~does~not~include~any~details~for~key~'#1'.\\
+ The~key~was~declared~in~the~interface~definition,~
+ and~so~an~implementation~is~required.
+ }
+\msg_new:nnnn { xtemplate } { missing-keytype }
+ { The~key~'#1'~is~missing~a~key-type~\msg_line_context:. }
+ {
+ Key~interface~definitions~should~be~of~the~form\\
+ \ \ #1~:~<key-type>\\
+ but~LaTeX~could~not~find~a~<key-type>.
+ }
+\msg_new:nnnn { xtemplate } { no-template-code }
+ {
+ The~template~'#2'~of~type~'#1'~is~unknown~
+ or~has~no~implementation.
+ }
+ {
+ There~is~no~code~available~for~the~template~name~given.\\
+ This~should~be~given~using~\DeclareTemplateCode.
+ }
+\msg_new:nnnn { xtemplate } { object-type-mismatch }
+ { Object~types~'#1'~and~'#2'~do~not~agree. }
+ {
+ You~are~trying~to~use~a~template~directly~with~\UseInstance
+ (or~a~similar~function),~but~the~object~types~do~not~match.
+ }
+\msg_new:nnnn { xtemplate } { unknown-attribute }
+ { The~template~attribute~'#1'~is~unknown. }
+ {
+ There~is~a~definition~in~the~current~template~reading\\
+ \ \ \token_to_str:N \KeyValue {~#1~} \\
+ but~there~is~no~key~called~'#1'.
+ }
+\msg_new:nnnn { xtemplate } { unknown-choice }
+ { The~choice~'#2'~was~not~declared~for~key~'#1'. }
+ {
+ The~key~'#1'~takes~a~fixed~list~of~choices~
+ and~this~list~does~not~include~'#2'.
+ }
+\msg_new:nnnn { xtemplate } { unknown-default-choice }
+ { The~default~choice~'#2'~was~not~declared~for~key~'#1'. }
+ {
+ The~key~'#1'~takes~a~fixed~list~of~choices~
+ and~this~list~does~not~include~'#2'.
+ }
+\msg_new:nnnn { xtemplate } { unknown-instance }
+ { The~instance~'#2'~of~type~'#1'~is~unknown. }
+ {
+ You~have~asked~to~use~an~instance~'#2',~
+ but~this~has~not~been~created.
+ }
+\msg_new:nnnn { xtemplate } { unknown-key }
+ { Unknown~template~key~'#1'. }
+ {
+ The~key~'#1'~was~not~declared~in~the~interface~
+ for~the~current~template.
+ }
+\msg_new:nnnn { xtemplate } { unknown-keytype }
+ { The~key-type~'#1'~is~unknown. }
+ {
+ Valid~key-types~are:\\
+ -~boolean;\\
+ -~choice;\\
+ -~commalist;\\
+ -~function;\\
+ -~instance;\\
+ -~integer;\\
+ -~length;\\
+ -~muskip;\\
+ -~real;\\
+ -~skip;\\
+ -~tokenlist.
+ }
+\msg_new:nnnn { xtemplate } { unknown-object-type }
+ { The~object~type~'#1'~is~unknown. }
+ {
+ An~object~type~needs~to~be~declared~with~\DeclareObjectType
+ prior~to~using~it.
+ }
+\msg_new:nnnn { xtemplate } { unknown-template }
+ { The~template~'#2'~of~type~'#1'~is~unknown. }
+ {
+ No~interface~has~been~declared~for~a~template~
+ '#2'~of~object~type~'#1'.
+ }
+\msg_new:nnn { xtemplate } { declare-object-type }
+ { Declaring~object~type~'#1'~taking~#2~argument(s)~\msg_line_context:. }
+\msg_new:nnn { xtemplate } { declare-template-code }
+ { Declaring~code~for~template~'#2'~of~object~type'#1'~\msg_line_context:. }
+\msg_new:nnn { xtemplate } { declare-template-interface }
+ {
+ Declaring~interface~for~template~'#2'~of~object~type~'#1'~
+ \msg_line_context:.
+ }
+\msg_new:nnn { xtemplate } { show-attribute }
+ {
+ The~template~'#2'~of~object~type~'#1'~has~
+ \tl_if_empty:nTF {#4} { no~#3. } { #3 : #4 }
+ }
+\msg_new:nnn { xtemplate } { show-values }
+ {
+ \tl_if_empty:nTF {#2}
+ { The~instance~'#3'~ }
+ { The~collection~ instance~'#3'~ (from~collection~'#2')~ }
+ of~object~type~'#1'~has~
+ \tl_if_empty:nTF {#4} { no~values. } { values: #4 }
+ }
+\cs_new_protected:Npn \DeclareObjectType #1#2
+ { \__xtemplate_declare_object_type:nn {#1} {#2} }
+\cs_new_protected:Npn \DeclareTemplateInterface #1#2#3#4
+ { \__xtemplate_declare_template_keys:nnnn {#1} {#2} {#3} {#4} }
+\cs_new_protected:Npn \DeclareTemplateCode #1#2#3#4#5
+ { \__xtemplate_declare_template_code:nnnnn {#1} {#2} {#3} {#4} {#5} }
+\cs_new_protected:Npn \DeclareRestrictedTemplate #1#2#3#4
+ { \__xtemplate_declare_restricted:nnnn {#1} {#2} {#3} {#4} }
+\cs_new_protected:Npn \DeclareInstance #1#2#3#4
+ { \__xtemplate_declare_instance:nnnnn {#1} {#3} { } {#2} {#4} }
+\cs_new_protected:Npn \DeclareCollectionInstance #1#2#3#4#5
+ { \__xtemplate_declare_instance:nnnnn {#2} {#4} {#1} {#3} {#5} }
+\cs_new_protected:Npn \DeclareInstanceCopy #1#2#3
+ { \__xtemplate_copy_instance:nnnn {#1} { } {#3} {#2} }
+\cs_new_protected:Npn \EditTemplateDefaults #1#2#3
+ { \__xtemplate_edit_defaults:nnn {#1} {#2} {#3} }
+\cs_new_protected:Npn \EditInstance #1#2#3
+ { \__xtemplate_edit_instance:nnnn {#1} { } {#2} {#3} }
+\cs_new_protected:Npn \EditCollectionInstance #1#2#3#4
+ { \__xtemplate_edit_instance:nnnn {#2} {#1} {#3} {#4} }
+\cs_new_protected:Npn \UseTemplate #1#2#3
+ { \__xtemplate_use_template:nnn {#1} {#2} {#3} }
+\cs_new_protected:Npn \UseInstance #1#2
+ { \__xtemplate_use_instance:nn {#1} {#2} }
+\cs_new_protected:Npn \UseCollection #1#2
+ { \__xtemplate_use_collection:nn {#1} {#2} }
+\cs_new_protected:Npn \ShowTemplateCode #1#2
+ { \__xtemplate_show_code:nn {#1} {#2} }
+\cs_new_protected:Npn \ShowTemplateDefaults #1#2
+ { \__xtemplate_show_defaults:nn {#1} {#2} }
+\cs_new_protected:Npn \ShowTemplateInterface #1#2
+ { \__xtemplate_show_keytypes:nn {#1} {#2} }
+\cs_new_protected:Npn \ShowTemplateVariables #1#2
+ { \__xtemplate_show_vars:nn {#1} {#2} }
+\cs_new_protected:Npn \ShowInstanceValues #1#2
+ { \__xtemplate_show_values:nnn {#1} { } {#2} }
+\cs_new_protected:Npn \ShowCollectionInstanceValues #1#2#3
+ { \__xtemplate_show_values:nnn {#1} {#2} {#3} }
+\cs_new:Npn \IfInstanceExistTF #1#2
+ { \__xtemplate_if_instance_exist:nnnTF {#1} { } {#2} }
+\cs_new:Npn \IfInstanceExistT #1#2
+ { \__xtemplate_if_instance_exist:nnnT {#1} { } {#2} }
+\cs_new:Npn \IfInstanceExistF #1#2
+ { \__xtemplate_if_instance_exist:nnnF {#1} { } {#2} }
+\cs_new_protected:Npn \KeyValue #1 {#1}
+\cs_new_protected:Npn \AssignTemplateKeys
+ { \__xtemplate_assignments_pop: }
+\cs_new_protected:Npn \SetTemplateKeys #1#2#3
+ { \keys_set_known:nnN { template / #1 / #2 } {#3} \l__xtemplate_tmp_clist }
+\cs_new_eq:NN \ShowTemplateKeytypes \ShowTemplateInterface
+%%
+%%
+%% End of file `xtemplate.sty'.