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% ----------------------------------------------------------------------------
% the XSIM package - templates module
%
% eXercise Sheets IMproved
%
% ----------------------------------------------------------------------------
% Clemens Niederberger
% Web: https://github.com/cgnieder/xsim
% E-Mail: contact@mychemistry.eu
% ----------------------------------------------------------------------------
% Copyright 2017--2020 Clemens Niederberger
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This work has the LPPL maintenance status `maintained'.
%
% The Current Maintainer of this work is Clemens Niederberger.
% ----------------------------------------------------------------------------
% If you have any ideas, questions, suggestions or bugs to report, please
% feel free to contact me.
% ----------------------------------------------------------------------------
\XSIMmodule{templates}{templates for typesetting exercises}
\xsim_load_modules:n {base}
\msg_new:nnn {xsim} {unknown-template}
{
You~ are~ trying~ to~ load~ the~ template~ `#2'~ (template~ type~ `#1')~
\msg_line_context: .~ This~ template~ does~ not~ seem~ to~ be~ defined.~
I~ am~ using~ the~ template~ `#3'~ (template~ type~ `#1')~ instead.
}
\msg_new:nnn {xsim} {template-type-exists}
{ The~ template~ type~ `#1'~ already~ exists~ \msg_line_context: }
% ----------------------------------------------------------------------------
\seq_new:N \l__xsim_template_types_seq
% #1: template type
\cs_new_protected:Npn \xsim_new_template_type:n #1
{
\seq_if_in:NnTF \l__xsim_template_types_seq {#1}
{ \msg_error:nnn {xsim} {template-type-exists} {#1} }
{
\xsim_verbose:n { Declaring~ new~ template~ type~ `#1'. }
\seq_put_right:Nn \l__xsim_template_types_seq {#1}
}
}
% #1: template type
% #2: template name
% #3: code
\cs_new_protected:Npn \__xsim_add_template:nnn #1#2#3
{
\xsim_verbose:n { Defining~ new~ template~ `#2'~ of~ type~ `#1'. }
\tl_new:c {l__xsim_template_#1_#2_setup_tl}
\xsim_attribute_set:nnn {template::#1} {#2} {#3}
}
\prg_new_conditional:Npnn \xsim_if_template_exist:nn #1#2 {T,F,TF}
{
\xsim_attribute_if_set:nnTF {template::#1} {#2}
{ \prg_return_true: }
{ \prg_return_false: }
}
% #1: template type
% #2: template name
\cs_new_protected:Npn \__xsim_get_template:nn #1#2
{ \xsim_attribute_get:nn {template::#1} {#2} }
% ----------------------------------------------------------------------------
% environment templates (types `begin' and `end'):
\xsim_new_template_type:n {begin}
\xsim_new_template_type:n {end}
% #1: template name
% #2: begin code
% #3: end code
\cs_new_protected:Npn \xsim_declare_environment_template:nnn #1#2#3
{
\__xsim_add_template:nnn {begin} {#1}
{
\__xsim_start_template:nn {begin} {#1}
\__xsim_start_template:nn {end} {#1}
#2
}
\__xsim_add_template:nnn {end} {#1}
{
#3
\__xsim_stop_template:nn {end} {#1}
\__xsim_stop_template:nn {begin} {#1}
}
}
% ----------------------------------------------------------------------------
% heading templates for the solution list (type `heading'):
\xsim_new_template_type:n {heading}
% #1: template name
% #2: code
\cs_new_protected:Npn \xsim_declare_heading_template:nn #1#2
{
\__xsim_add_template:nnn {heading} {#1}
{
\__xsim_start_template:nn {heading} {#1}
#2
\__xsim_stop_template:nn {heading} {#1}
}
}
% ----------------------------------------------------------------------------
% grading table templates (type `table'):
\xsim_new_template_type:n {table}
% #1: template name
% #2: code
\cs_new_protected:Npn \xsim_declare_table_template:nn #1#2
{
\__xsim_add_template:nnn {table} {#1}
{
\__xsim_start_template:nn {table} {#1}
#2
\__xsim_stop_template:nn {table} {#1}
}
}
% ----------------------------------------------------------------------------
% using templates:
% setup up the next usage of `template name':
% #1: template type
% #2: template name
% #3: setup code
\cs_new_protected:Npn \xsim_setup_template:nnn #1#2#3
{ \tl_set:cn {l__xsim_template_#1_#2_setup_tl} {#3} }
\cs_generate_variant:Nn \xsim_setup_template:nnn {nnV,nVn}
% #1: template type
% #2: template name
\cs_new_protected:Npn \__xsim_setup_template:nn #1#2
{ \tl_use:c {l__xsim_template_#1_#2_setup_tl} }
% #1: template type
% #2: template name
\cs_new_protected:Npn \__xsim_clear_template_setup:nn #1#2
{ \tl_clear:c {l__xsim_template_#1_#2_setup_tl} }
% #1: template type
% #2: template name
\cs_new_protected:Npn \__xsim_start_template:nn #1#2
{ \group_begin: \__xsim_setup_template:nn {#1} {#2} }
% #1: template type
% #2: template name
\cs_new_protected:Npn \__xsim_stop_template:nn #1#2
{ \group_end: \__xsim_clear_template_setup:nn {#1} {#2} }
% #1: template type
% #2: template name
\cs_new_protected:Npn \xsim_use_template:nn #1#2
{
\xsim_if_template_exist:nnTF {#1} {#2}
{ \__xsim_get_template:nn {#1} {#2} }
{
\msg_warning:nnnnn {xsim} {unknown-template} {#1} {#2} {default}
\__xsim_get_template:nn {#1} {default}
}
}
\cs_generate_variant:Nn \xsim_use_template:nn {nx,nV}
% ----------------------------------------------------------------------------
\file_input_stop:
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