% --------------------------------------------------------------------------
% the GHSYSTEM package
%
% globally harmonised system
%
% --------------------------------------------------------------------------
% Clemens Niederberger
% --------------------------------------------------------------------------
% https://github.org/cgnieder/ghsystem/
% contact@mychemistry.eu
% --------------------------------------------------------------------------
% If you have any ideas, questions, suggestions or bugs to report, please
% feel free to contact me.
% --------------------------------------------------------------------------
% Copyright 2011--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.
% --------------------------------------------------------------------------
\RequirePackage{ expl3, xparse, chemmacros }
\ExplSyntaxOn
\tl_const:Nn \c_ghsystem_version_tl {4.8c}
\tl_const:Nn \c_ghsystem_date_tl {2020/02/17}
\tl_const:Nn \c_ghsystem_info_tl {globally~ harmonised~ system}
\ProvidesExplPackage
{ghsystem}
{\c_ghsystem_date_tl}
{\c_ghsystem_version_tl}
{\c_ghsystem_info_tl}
% --------------------------------------------------------------------------- %
% error and warning messages:
\msg_new:nnn {ghsystem} {statements}
{
You've~tried~to~call~statement~#1#2~ \msg_line_context: \c_space_tl but~it~
it~is~not~defined~in~ghsystem.sty .
}
\msg_new:nnn {ghsystem} {language-file}
{
You've~ tried~ to~ load~ the~ language~ file~ `#1'~ \msg_line_context: .~
However,~ you~ can~ only~ load~ language~ files~ in~ the~ preamble!
}
\msg_new:nnn {ghsystem} {booktabs}
{
Option~#1~of~the~\token_to_str:N \ghslistall \c_space_tl command~
\msg_line_context: \c_space_tl needs~the~`booktabs'~package . ~Please~make~
sure~to~load~it~in~your~preamble.
}
\msg_new:nnn {ghsystem} {unknown-type}
{
The~ statement~ type~ `#1'~ \msg_line_context: \c_space_tl is~ unkown.~
Valid~ types~ are~ `H',~ `EUH',~ and~ `P'.
}
% --------------------------------------------------------------------------
% package options:
\keys_define:nn {ghsystem}
{
% TODO
% strict .bool_set:N = \l__ghsystem_strict_bool ,
% strict .default:n = true ,
language .code:n = \ghsystem_load_languages:n {#1}
}
% --------------------------------------------------------------------------- %
% variants of kernel functions:
\cs_generate_variant:Nn \file_if_exist:nTF {x}
\cs_generate_variant:Nn \prop_put:Nnn {cx}
\cs_generate_variant:Nn \prop_get:NnNTF {cx}
\cs_generate_variant:Nn \str_case:nnF {V}
% --------------------------------------------------------------------------- %
% scratch variables
\tl_new:N \l__ghsystem_tmpa_tl
\tl_new:N \l__ghsystem_tmpb_tl
\int_new:N \l__ghsystem_tmpa_int
\int_new:N \l__ghsystem_tmpb_int
% load required packages:
\RequirePackage { translations , siunitx , graphicx , longtable , ifpdf }
% --------------------------------------------------------------------------- %
% define variables:
\prop_new:N \l__ghsystem_h_prop
\prop_new:N \l__ghsystem_euh_prop
\prop_new:N \l__ghsystem_p_prop
\cs_new:Npn \ghsystem_exposure: {}
\cs_new:Npn \ghsystem_effect: {}
\cs_new:Npn \ghsystem_organs: {}
\cs_new:Npn \ghsystem_substance: {}
\cs_new:Npn \ghsystem_text: {}
\cs_new:Npn \ghsystem_dash:
{
\tex_penalty:D 10000 \scan_stop:
-
\skip_horizontal:N \c_zero_skip
}
\cs_new:Npn \ghsystem_slash:
{
\tex_penalty:D 10000 \scan_stop:
/
\skip_horizontal:N \c_zero_skip
}
\cs_new_protected:Npn \ghsystem_filler:n #1
{ \emph { $\langle$ #1 $\rangle$ } }
\bool_new:N \l_ghsystem_fill_in_bool
\bool_new:N \l__ghsystem_show_number_bool
\bool_new:N \l_ghsystem_substance_bool
\bool_new:N \l_ghsystem_organs_bool
\bool_new:N \l__ghsystem_hide_statement_bool
\tl_new:N \l__ghsystem_number_space_tl
\tl_new:N \l_ghsystem_celsius_temperature_tl
\tl_new:N \l_ghsystem_fahrenheit_temperature_tl
\tl_new:N \l_ghsystem_kg_mass_tl
\tl_new:N \l_ghsystem_lbs_mass_tl
\tl_new:N \l_ghsystem_dots_tl
\tl_set:Nn \l_ghsystem_dots_tl { \ldots }
\tl_new:N \l__ghsystem_picture_scale_default_tl
\tl_set:Nn \l__ghsystem_picture_scale_default_tl { .05 }
\tl_new:N \l__ghsystem_picture_scale_tl
\tl_set_eq:NN \l__ghsystem_picture_scale_tl \l__ghsystem_picture_scale_default_tl
\tl_new:N \l__ghsystem_picture_includegraphics_tl
\tl_new:N \l__ghsystem_picture_type_tl
\tl_new:N \l_ghsystem_identifier_tl
\tl_new:N \l_ghsystem_table_text_tl
\tl_new:N \l_ghsystem_table_next_page_tl
\tl_new:N \l__ghsystem_table_head_rule_tl
\tl_set:Nn \l__ghsystem_table_head_rule_tl { \hline }
\tl_new:N \l__ghsystem_table_top_head_rule_tl
\tl_set:Nn \l__ghsystem_table_top_head_rule_tl { \hline }
\tl_new:N \l__ghsystem_table_foot_rule_tl
\tl_set:Nn \l__ghsystem_table_foot_rule_tl { \hline }
\tl_new:N \l__ghsystem_table_last_foot_rule_tl
\tl_set:Nn \l__ghsystem_table_last_foot_rule_tl { \hline }
\tl_new:N \l_ghsystem_table_caption_tl
% TODO: implement usage:
\tl_new:N \l_ghsystem_table_caption_short_tl
\tl_new:N \l__ghsystem_table_label_tl
\tl_set:Nn \l__ghsystem_table_label_tl { tab : ghs-hp-statements }
\tl_new:N \l__ghsystem_list_all_column_format_tl
\dim_new:N \l__ghsystem_list_all_column_width_dim
\AtBeginDocument{
\dim_set:Nn \l__ghsystem_list_all_column_width_dim { .7\linewidth }
}
\dim_new:N \l__ghsystem_table_line_sep_dim
\dim_set:Nn \l__ghsystem_table_line_sep_dim { 3pt }
\fp_new:N \l__ghsystem_picture_scale_fp
\fp_set:Nn \l__ghsystem_picture_scale_fp { \l__ghsystem_picture_scale_tl }
\DeclareSIUnit \GHSfahrenheit { \SIUnitSymbolDegree F }
\DeclareSIUnit \GHScelsius { \SIUnitSymbolDegree C }
\DeclareSIUnit \GHSkilogram { kg }
\DeclareSIUnit \GHSpounds { lbs }
% language settings
\bool_new:N \l__ghsystem_language_file_loaded_bool
\tl_const:Nn \c__ghsystem_definition_file_prefix_tl {ghsystem}
\tl_const:Nn \c__ghsystem_definition_file_extension_tl {def}
\tl_new:N \l_ghsystem_current_language_file_tl
\str_new:N \l_ghsystem_current_language_str
\seq_new:N \g__ghsystem_loadad_languages_seq
\cs_new_protected:Npn \__ghsystem_language_file:nn #1#2
{
\ProvidesFile
{
\c__ghsystem_definition_file_prefix_tl _ #1 .
\c__ghsystem_definition_file_extension_tl
}
[#2]
\ExplSyntaxOn
\tl_set:Nn \l_ghsystem_current_language_file_tl {#1}
}
\NewDocumentCommand \ghsystemlanguagefile {mm}
{ \__ghsystem_language_file:nn {#1} {#2} }
% prop
% number
% statement
\cs_new_protected:Npn \ghsystem_add_statement:nnn #1#2#3
{
\prop_put:cxn {l__ghsystem_ \str_lowercase:n {#1} _prop}
{\l_ghsystem_current_language_file_tl-#2}
{#3}
}
\cs_new_protected:Npn \__ghsystem_load_language:n #1
{
\seq_gput_right:Nn \g__ghsystem_loadad_languages_seq {#1}
\str_set:Nn \l_ghsystem_current_language_str {#1}
\@onefilewithoptions
{\c__ghsystem_definition_file_prefix_tl _ #1} [][]
\c__ghsystem_definition_file_extension_tl
}
\cs_generate_variant:Nn \__ghsystem_load_language:n {V}
\cs_generate_variant:Nn \file_if_exist:nTF {V}
\cs_new_protected:Npn \__ghsystem_load_language_file:n #1
{
\tl_set:Nx \l__ghsystem_tmpa_tl { \@trnslt@language {#1} }
\file_if_exist:nTF
{
\c__ghsystem_definition_file_prefix_tl _ \l__ghsystem_tmpa_tl .
\c__ghsystem_definition_file_extension_tl
}
{ \__ghsystem_load_language:V \l__ghsystem_tmpa_tl }
{
\tl_set:Nx \l__ghsystem_tmpa_tl { \baselanguage {#1} }
\file_if_exist:nTF
{
\c__ghsystem_definition_file_prefix_tl _ \l__ghsystem_tmpa_tl .
\c__ghsystem_definition_file_extension_tl
}
{ \__ghsystem_load_language:V \l__ghsystem_tmpa_tl }
{ \errorTODO }
}
}
\cs_new_protected:Npn \ghsystem_load_language_file:n #1
{
\ghsystem_if_language_file_loaded:nF {#1}
{
\cs_if_eq:NNTF \@onefilewithoptions\@notprerr
{ \msg_error:nnn {ghsystem} {language-file} {#1} }
{ \__ghsystem_load_language_file:n {#1} }
}
}
\cs_generate_variant:Nn \ghsystem_load_language_file:n { V }
\prg_new_protected_conditional:Npnn \ghsystem_if_language_file_loaded:n #1 {T,F,TF}
{
\seq_if_in:NxTF \g__ghsystem_loadad_languages_seq
{ \@trnslt@language {#1} }
{ \prg_return_true: }
{
\seq_if_in:NxTF \g__ghsystem_loadad_languages_seq
{ \baselanguage {#1} }
{ \prg_return_true: }
{ \prg_return_false: }
}
}
% TODO: an neuen Mechanismus anpassen:
\cs_new_protected:Npn \ghsystem_load_language:n #1
{
\ghsystem_if_language_file_loaded:nF {#1}
{ \ghsystem_load_language_file:n {#1} }
\bool_set_true:N \l__ghsystem_language_file_loaded_bool
}
\cs_generate_variant:Nn \ghsystem_load_language:n { V }
\cs_new_protected:Npn \ghsystem_load_languages:n #1
{ \clist_map_inline:nn {#1} { \ghsystem_load_language:n {##1} } }
% \NewDocumentCommand \loadghsystemlanguage {m}
% { \ghsystem_load_language:n {#1} }
% \NewDocumentCommand \loadghsystemlanguages {m}
% { \ghsystem_load_languages:n {#1} }
\AtBeginDocument{
\bool_if:NF \l__ghsystem_language_file_loaded_bool
{
\cs_if_exist:NTF \l_chemmacros_language_tl
{ \ghsystem_load_language:V \l_chemmacros_language_tl }
{
\ghsystem_load_language:n
{ \@trnslt@language {\@trnslt@current@language} }
}
}
}
\cs_new_nopar:Nn \ghsystem_booktabs:n
{
\cs_if_exist:cF { ver@booktabs.sty }
{ \msg_error:nnx {ghsystem} { booktabs } {#1} }
}
% --------------------------------------------------------------------------- %
% define options:
\keys_define:nn {ghsystem}
{
% \ghs options:
hide .bool_set:N =
\l__ghsystem_hide_statement_bool ,
hide .default:n = true ,
fill-in .bool_set:N = \l_ghsystem_fill_in_bool ,
fill-in .default:n = true ,
exposure .code:n =
\cs_set:Npn \ghsystem_exposure: { ~ #1 } ,
effect .code:n =
\cs_set:Npn \ghsystem_effect: { ~ #1 } ,
organs .code:n =
\bool_set_true:N \l_ghsystem_organs_bool
\cs_set:Npn \ghsystem_organs: { ~ #1 } ,
substance .code:n =
\bool_set_true:N \l_ghsystem_substance_bool
\cs_set:Npn \ghsystem_substance: { ~ #1 } ,
text .code:n =
\cs_set:Npn \ghsystem_text: { ~ #1 } ,
space .tl_set:N =
\l__ghsystem_number_space_tl ,
C-temperature .tl_set:N =
\l_ghsystem_celsius_temperature_tl ,
F-temperature .tl_set:N =
\l_ghsystem_fahrenheit_temperature_tl ,
kg-mass .tl_set:N = \l_ghsystem_kg_mass_tl ,
lbs-mass .tl_set:N = \l_ghsystem_lbs_mass_tl ,
dots .tl_set:N = \l_ghsystem_dots_tl ,
% \ghspic options:
scale .code:n =
\fp_set:Nn \l__ghsystem_picture_scale_fp { #1 * \l__ghsystem_picture_scale_fp } ,
includegraphics .code:n =
\tl_set:Nn \l__ghsystem_picture_includegraphics_tl { , #1 } ,
pic-type .choices:nn = { eps , jpg , png , pdf }
{ \tl_set_eq:NN \l__ghsystem_picture_type_tl \l_keys_choice_tl } ,
% \ghslistall options:
table-head-number .tl_set:N = \l_ghsystem_identifier_tl ,
table-head-text .tl_set:N = \l_ghsystem_table_text_tl ,
table-next-page .tl_set:N =
\l__ghsystem_table_next_page_tl ,
table-row-sep .dim_set:N =
\l__ghsystem_table_line_sep_dim ,
table-head-rule .choice: ,
table-head-rule / default .code:n =
\tl_set:Nn \l__ghsystem_table_head_rule_tl { \hline } ,
table-head-rule / booktabs .code:n =
\ghsystem_booktabs:n { table-head-rule }
\tl_set:Nn \l__ghsystem_table_head_rule_tl { \midrule } ,
table-head-rule / none .code:n =
\tl_clear:N \l__ghsystem_table_head_rule_tl ,
table-top-head-rule .choice: ,
table-top-head-rule / default .code:n =
\tl_set:Nn \l__ghsystem_table_top_head_rule_tl { \hline } ,
table-top-head-rule / booktabs .code:n =
\ghsystem_booktabs:n { table-top-head-rule }
\tl_set:Nn \l__ghsystem_table_top_head_rule_tl { \toprule } ,
table-top-head-rule / none .code:n =
\tl_clear:N \l__ghsystem_table_top_head_rule_tl ,
table-foot-rule .choice: ,
table-foot-rule / default .code:n =
\tl_set:Nn \l__ghsystem_table_foot_rule_tl { \hline } ,
table-foot-rule / booktabs .code:n =
\ghsystem_booktabs:n { table-foot-rule }
\tl_set:Nn \l__ghsystem_table_foot_rule_tl { \midrule } ,
table-foot-rule / none .code:n =
\tl_clear:N \l__ghsystem_table_foot_rule_tl ,
table-last-foot-rule .choice: ,
table-last-foot-rule / default .code:n =
\tl_set:Nn \l__ghsystem_table_last_foot_rule_tl { \hline } ,
table-last-foot-rule / booktabs .code:n =
\ghsystem_booktabs:n { table-last-foot-rule }
\tl_set:Nn \l__ghsystem_table_last_foot_rule_tl { \bottomrule } ,
table-last-foot-rule / none .code:n =
\tl_clear:N \l__ghsystem_table_last_foot_rule_tl ,
table-rules .choice: ,
table-rules / default .code:n =
\tl_set:Nn \l__ghsystem_table_head_rule_tl { \hline }
\tl_set:Nn \l__ghsystem_table_top_head_rule_tl { \hline }
\tl_set:Nn \l__ghsystem_table_foot_rule_tl { \hline }
\tl_set:Nn \l__ghsystem_table_last_foot_rule_tl { \hline } ,
table-rules / booktabs .code:n =
\ghsystem_booktabs:n { table-rules }
\tl_set:Nn \l__ghsystem_table_head_rule_tl { \midrule }
\tl_set:Nn \l__ghsystem_table_top_head_rule_tl { \toprule }
\tl_set:Nn \l__ghsystem_table_foot_rule_tl { \midrule }
\tl_set:Nn \l__ghsystem_table_last_foot_rule_tl { \bottomrule } ,
table-rules / none .code:n =
\tl_clear:N \l__ghsystem_table_head_rule_tl
\tl_clear:N \l__ghsystem_table_top_head_rule_tl
\tl_clear:N \l__ghsystem_table_foot_rule_tl
\tl_clear:N \l__ghsystem_table_last_foot_rule_tl ,
table-caption .tl_set:N =
\l_ghsystem_table_caption_tl ,
table-caption-short .tl_set:N =
\l_ghsystem_table_caption_short_tl ,
table-label .tl_set:N =
\l__ghsystem_table_label_tl ,
table-column-format .tl_set:N =
\l__ghsystem_list_all_column_format_tl ,
table-column-width .dim_set:N =
\l__ghsystem_list_all_column_width_dim
}
% --------------------------------------------------------------------------- %
% the main command for getting the H/EUH/P statements
% \ghs{<type>}{<num>}
% \ghs*{<type>}{<num>} : type without number
%
\NewDocumentCommand \ghs {somm}
{
\group_begin:
\IfBooleanF {#1} { \bool_set_true:N \l__ghsystem_show_number_bool }
\IfNoValueF {#2} { \keys_set:nn {ghsystem} {#2} }
\ghsystem_read_args:nn {#3} {#4}
\group_end:
}
\cs_new:Nn \ghsystem_read_args:nn
{
\__ghsystem_get_type:nN {#1} \l__ghsystem_tmpa_tl
\prop_get:cxNTF
{ l__ghsystem_ \l__ghsystem_tmpa_tl _prop }
{\l_ghsystem_current_language_str - #2}
\l__ghsystem_tmpb_tl
{
\__ghsystem_is_combination:nn {#1} {#2}
\bool_if:NF \l__ghsystem_hide_statement_bool
{ \tl_use:N \l__ghsystem_tmpb_tl }
}
{ \msg_error:nnnn {ghsystem} {statements} {#1} {#2} }
}
\cs_new_protected:Nn \__ghsystem_get_type:nN
{
\tl_set:Nx #2 { \str_lowercase:n {#1} }
\str_case:VnF #2
{ {h} {} {p} {} {euh} {} }
{ \msg_error:nnn {ghsystem} {unknown-type} {#2} }
}
\cs_new:Nn \__ghsystem_is_combination:nn
{
\tl_if_in:nnTF {#2} { + }
{ \__ghsystem_is_combination_aux_i:w #1,#2 \q_stop }
{ \__ghsystem_is_combination_aux_ii:w #1,#2 \q_stop }
}
\cs_new:Npn \__ghsystem_is_combination_aux_i:w #1,#2+#3 \q_stop
{
\bool_if:NT \l__ghsystem_show_number_bool
{
\text_uppercase:n {#1}
\tl_use:N \l__ghsystem_number_space_tl
#2 ~ + ~
\tl_if_in:nnTF {#3} { + }
{ \__ghsystem_is_combination_aux_iii:w #1,#3 \q_stop }
{
\text_uppercase:n {#1}
\tl_use:N \l__ghsystem_number_space_tl
#3 \bool_if:NF \l__ghsystem_hide_statement_bool { : ~ }
}
}
}
\cs_new:Npn \__ghsystem_is_combination_aux_ii:w #1,#2 \q_stop
{
\bool_if:NT \l__ghsystem_show_number_bool
{
\text_uppercase:n {#1}
\tl_use:N \l__ghsystem_number_space_tl
#2 \bool_if:NF \l__ghsystem_hide_statement_bool { : ~ }
}
}
\cs_new:Npn \__ghsystem_is_combination_aux_iii:w #1,#2+#3 \q_stop
{
\bool_if:NT \l__ghsystem_show_number_bool
{
\text_uppercase:n {#1}
\tl_use:N \l__ghsystem_number_space_tl
#2 ~ + ~
\text_uppercase:n {#1}
\tl_use:N \l__ghsystem_number_space_tl
#3 \bool_if:NF \l__ghsystem_hide_statement_bool { : ~ }
}
}
% --------------------------------------------------------------------------- %
% list all statements in a table
%
\NewDocumentCommand \ghslistall {o}
{
\group_begin:
\IfNoValueF {#1} { \keys_set:nn {ghsystem} {#1} }
\ghsystem_list_all:
\group_end:
}
% TODO: an neue Sprachauswahl anpassen:
\cs_new_protected:Npn \ghsystem_list_all:
{
\int_zero:N \l__ghsystem_tmpa_int
\int_zero:N \l__ghsystem_tmpb_int
\prop_map_inline:Nn \l__ghsystem_p_prop
{ \int_incr:N \l__ghsystem_tmpa_int }
\dim_set_eq:NN \extrarowheight \l__ghsystem_table_line_sep_dim
\begin {longtable}
{
@{}
p{
\dim_eval:n {
\linewidth -\tabcolsep -\LTpre - \LTpost
-\l__ghsystem_list_all_column_width_dim
}
}
>{ \l__ghsystem_list_all_column_format_tl }
p{ \l__ghsystem_list_all_column_width_dim }
@{}
}
\caption [ \l_ghsystem_table_caption_short_tl ]
{
\l_ghsystem_table_caption_tl
\exp_args:NV \label \l__ghsystem_table_label_tl
} \\
\l__ghsystem_table_top_head_rule_tl
\textbf { \l_ghsystem_identifier_tl } &
\textbf { \l_ghsystem_table_text_tl } \\
\l__ghsystem_table_head_rule_tl
\endfirsthead
\l__ghsystem_table_top_head_rule_tl
\textbf { \l_ghsystem_identifier_tl } &
\textbf { \l_ghsystem_table_text_tl } \\
\l__ghsystem_table_head_rule_tl
\endhead
\l__ghsystem_table_last_foot_rule_tl
\multicolumn{2}{r} { \textit { \l_ghsystem_table_next_page_tl } }
\endfoot
\l__ghsystem_table_foot_rule_tl \multicolumn{2}{r} { }
\endlastfoot
\prop_map_inline:Nn \l__ghsystem_h_prop
{
\ghsystem_if_statement_in_current_language:nT {##1}
{ \__ghsystem_read_number:nn {H} {##1} & ##2 \\ }
}
\prop_map_inline:Nn \l__ghsystem_euh_prop
{
\ghsystem_if_statement_in_current_language:nT {##1}
{ \__ghsystem_read_number:nn {EUH} {##1} & ##2 \\ }
}
\int_zero:N \l__ghsystem_tmpa_int
\prop_map_inline:Nn \l__ghsystem_p_prop
{
\ghsystem_if_statement_in_current_language:nT {##1}
{ \int_gincr:N \l__ghsystem_tmpa_int }
}
\int_zero:N \l__ghsystem_tmpb_int
\prop_map_inline:Nn \l__ghsystem_p_prop
{
\ghsystem_if_statement_in_current_language:nT {##1}
{
\int_gincr:N \l__ghsystem_tmpb_int
\__ghsystem_read_number:nn {P} {##1} & ##2
\int_compare:nNnT
{ \l__ghsystem_tmpb_int } < { \l__ghsystem_tmpa_int }
{ \\ }
}
}
\end {longtable}
}
\prg_new_protected_conditional:Npnn
\ghsystem_if_statement_in_current_language:n #1 {T,F,TF}
{
% is it safe to check str with \tl_ functions? interface3 seems to
% implicate it���
\tl_if_in:nVTF {#1} \l_ghsystem_current_language_str
{ \prg_return_true: }
{ \prg_return_false: }
}
\cs_generate_variant:Nn \tl_if_in:nnTF {nV}
\cs_new_protected:Nn \__ghsystem_read_number:nn
{
\tl_if_in:nnTF {#2} { + }
{ \__ghsystem_read_number_aux_i:w #1 , #2 \q_stop }
{
#1
\tl_use:N \l__ghsystem_number_space_tl
\__ghsystem_extract_number:n {#2}
}
}
\cs_new_protected:Npn \__ghsystem_read_number_aux_i:w #1,#2+#3\q_stop
{
#1
\tl_use:N \l__ghsystem_number_space_tl
\__ghsystem_extract_number:n {#2}
\c_space_tl + \c_space_tl
\tl_if_in:nnTF {#3} { + }
{ \__ghsystem_read_number_aux_ii:w #1,#3 \q_stop }
{ #1#3 }
}
\cs_new:Npn \__ghsystem_read_number_aux_ii:w #1,#2+#3\q_stop
{ #1#2 ~+~ #1#3 }
\cs_new_protected:Npn \__ghsystem_extract_number:n #1
{
\exp_after:wN \cs_set:Npn
\exp_after:wN \__ghsystem_extract_number_aux:w
\l_ghsystem_current_language_str - ##1 \q_stop {##1}
\__ghsystem_extract_number_aux:w #1 \q_stop
}
% --------------------------------------------------------------------------- %
% the picture command
% \ghspic[<options>]{<name>}
%
% test for compilation engine/mode:
\sys_if_engine_pdftex:T
{
\ifpdf
\tl_set:Nn \l__ghsystem_picture_type_tl {pdf}
\else
\tl_set:Nn \l__ghsystem_picture_type_tl {eps}
\fi
}
\sys_if_engine_xetex:T
{ \tl_set:Nn \l__ghsystem_picture_type_tl {pdf} }
\sys_if_engine_luatex:T
{ \tl_set:Nn \l__ghsystem_picture_type_tl {pdf} }
% the command:
\NewDocumentCommand \ghspic {om}
{
\group_begin:
\IfNoValueF {#1} { \keys_set:nn {ghsystem} {#1} }
\ghsystem_pic:n {#2}
\group_end:
}
\cs_new_protected:Npn \ghsystem_pic:n #1
{
\__ghsystem_includegraphics:xn
{
scale = \fp_to_tl:N \l__ghsystem_picture_scale_fp
\exp_not:V \l__ghsystem_picture_includegraphics_tl
}
{ ghsystem_ #1 . \l__ghsystem_picture_type_tl }
}
\cs_new:Nn \__ghsystem_includegraphics:nn
{ \includegraphics[#1]{#2} }
\cs_generate_variant:Nn \__ghsystem_includegraphics:nn { xn }
% --------------------------------------------------------------------------
% options and setup
\cs_new_protected:Npn \ghsystem_setup:n #1
{ \keys_set:nn {ghsystem} {#1} }
\NewDocumentCommand \ghssetup {m}
{ \ghsystem_setup:n {#1} }
\chemmacros_load_module:n {nomenclature}
\cs_generate_variant:Nn \chemmacros_integrate_package:nnn {nnV}
\chemmacros_integrate_package:nnV {} {ghsystem} \c_ghsystem_date_tl
\file_input_stop:
% --------------------------------------------------------------------------
VERSION HISTORY
2012/01/30 - version 3.0a - renamed ghs => ghsystem to make the names unique
(following a request by Karl Berry for TeXlive)
2012/02/05 - version 3.0c - renamed pictogram files (following a request by
Karl Berry for TeXlive)
2012/05/13 - version 3.3a - Italian translations of the H, EUH and P
statements, thanks to Jonas Rivetti
2012/05/18 - version 3.3b - compatibility with MiKTeX
2012/05/18 - version 3.3c - fix in the `ghsystem/language' option
2012/07/24 - version 3.3d - additional picture file type `pdf'
2013/02/19 - version 3.5a - bug fix: `ghsystem' recognizes language again
2013/07/06 - version 4.0 - dropped requirement of `tabu' package.
- new options `table-column-width' and
`table-column-format'
- adapted to changed language setting mechanism in
`chemmacros'
- new command: \loadghsystemlanguage
- the package can be used independently from
`chemmacros'
2013/12/13 - version 4.0a - small changes to `ghsystem_german.def'
- added \ghsystem_dash: and \ghsystem_slash:
2014/01/09 - version 4.2e - bug fix: namespace after language file loading
properly restored
2014/04/08 - version 4.5 - small changes in `ghsystem_italian.def'
2014/04/13 - version 4.5a - added Spanish translations, thanks to Ignacio
Fern��ndez Galv��n
2014/06/30 - version 4.5b - adapt to deprecated expl3 function
2014/08/08 - version 4.6 - split from `chemmacros' bundle as independent
package
2016/01/15 - version 4.7 - adapt to changes in expl3
- adapt to v5 of chemmacros
- small changes to table preamble in \ghslistall
- set table column width of \ghslistall at begin
document when we can be sure \linewidth has a
proper value
2016/07/16 - version 4.8 - French translations, thanks to Br��al Fr��d��ric and
Beaude Aur��lien
2019/09/30 - version 4.8a - add \l_ghsystem_table_next_page_tl to the template
and the French translations
2020/01/16 - version 4.8b - adapt to renaming of case changing functions
2020/02/17 - version 4.8c - resolve bug with French and Lua- or XeLaTeX