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% --------------------------------------------------------------------------
%
% the CHEMMACROS package -- module: `polymers'
%
% --------------------------------------------------------------------------
% Clemens Niederberger
% --------------------------------------------------------------------------
% https://github.org/cgnieder/chemmacros/
% contact@mychemistry.eu
% --------------------------------------------------------------------------
% If you have any ideas, questions, suggestions or bugs to report, please
% feel free to contact me.
% --------------------------------------------------------------------------
% Copyright 2011-2017 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.
% --------------------------------------------------------------------------
\ChemModule{polymers}{2016/03/08 polymers}
\chemmacros_load_modules:n {nomenclature,tikz}
% --------------------------------------------------------------------------
% copolymers
\NewChemIUPAC \copolymer { \textit {co} }
\LetChemIUPAC \co \copolymer
\NewChemIUPAC \statistical { \textit {stat} }
\LetChemIUPAC \stat \statistical
\NewChemIUPAC \random { \textit {ran} }
\LetChemIUPAC \ran \random
\NewChemIUPAC \alternating { \textit {alt} }
\LetChemIUPAC \alt \alternating
\NewChemIUPAC \periodic { \textit {per} }
\LetChemIUPAC \per \periodic
\NewChemIUPAC \block { \textit {block} }
\NewChemIUPAC \graft { \textit {graft} }
% --------------------------------------------------------------------------
% non-linear (co)polymers
\NewChemIUPAC \blend { \textit {blend} }
\NewChemIUPAC \comb { \textit {comb} }
\NewChemIUPAC \complex { \textit {compl} }
\LetChemIUPAC \compl \complex
\NewChemIUPAC \cyclic { \textit {cyclo} }
\LetChemIUPAC \cyclo \cyclic
\NewChemIUPAC \branch { \textit {branch} }
\NewChemIUPAC \network { \textit {net} }
\LetChemIUPAC \net \network
\NewChemIUPAC \ipnetwork { \textit {ipn} }
\LetChemIUPAC \ipn \ipnetwork
\NewChemIUPAC \sipnetwork { \textit {sipn} }
\LetChemIUPAC \sipn \sipnetwork
\NewChemIUPAC \star { \textit {star} }
% --------------------------------------------------------------------------
\tl_new:N \l__chemmacros_polymer_delimiter_left_tl
\tl_new:N \l__chemmacros_polymer_delimiter_right_tl
\tl_new:N \l__chemmacros_polymer_subscript_tl
\tl_new:N \l__chemmacros_polymer_superscript_tl
\dim_new:N \l__chemmacros_polymer_delimiter_height_dim
\dim_new:N \l__chemmacros_polymer_delimiter_depth_dim
\cs_new_protected:Npn \__chemmacros_set_polymer_delimiters:NN #1#2
{
\tl_set:Nn \l__chemmacros_polymer_delimiter_left_tl {#1}
\tl_set:Nn \l__chemmacros_polymer_delimiter_right_tl {#2}
}
% #1: height
% #2: depth
% #3: opening node
% #4: closing node
% #5: subscript
% #6: superscript
\cs_new_protected:Npn \chemmacros_make_polymer_braces:nnnnnn #1#2#3#4#5#6
{
\dim_set:Nn \l__chemmacros_polymer_delimiter_height_dim { (#1+#2)/2 }
\dim_set:Nn \l__chemmacros_polymer_delimiter_depth_dim { (#1-#2)/2 }
\chemmacros_tikz_picture:nn {remember~ picture, overlay }
{
\chemmacros_tikz_node:n
{ at = (#3) , yshift = \l__chemmacros_polymer_delimiter_depth_dim }
{
\c_math_toggle_token
\tex_left:D \l__chemmacros_polymer_delimiter_left_tl
\tex_vrule:D
height \l__chemmacros_polymer_delimiter_height_dim
depth \l__chemmacros_polymer_delimiter_height_dim
width \c_zero_dim
\tex_right:D .
\c_math_toggle_token
} ;
\chemmacros_tikz_node:n
{ at = (#4) , yshift = \l__chemmacros_polymer_delimiter_depth_dim }
{
\c_math_toggle_token
\tex_left:D .
\tex_vrule:D
height \l__chemmacros_polymer_delimiter_height_dim
depth \l__chemmacros_polymer_delimiter_height_dim
width \c_zero_dim
\tex_right:D \l__chemmacros_polymer_delimiter_right_tl
\c_math_subscript_token { \hbox_overlap_right:n {#5} }
\c_math_superscript_token { \hbox_overlap_right:n {#6} }
\c_math_toggle_token
} ;
}
}
\cs_generate_variant:Nn \chemmacros_make_polymer_braces:nnnnnn {nnnnVV}
\chemmacros_define_keys:nn {polymers}
{
delimiters .code:n = \__chemmacros_set_polymer_delimiters:NN #1 ,
delimiters .initial:n = [] ,
superscript .tl_set:N = \l__chemmacros_polymer_superscript_tl ,
subscript .tl_set:N = \l__chemmacros_polymer_subscript_tl ,
subscript .initial:n = $n$
}
\NewDocumentCommand \makepolymerdelims {O{}momm}
{
\group_begin:
\chemmacros_set_keys:nn {polymers} {#1}
\IfNoValueTF {#3}
{
\chemmacros_make_polymer_braces:nnnnVV {#2} {#2} {#4} {#5}
\l__chemmacros_polymer_subscript_tl
\l__chemmacros_polymer_superscript_tl
}
{
\chemmacros_make_polymer_braces:nnnnVV {#2} {#3} {#4} {#5}
\l__chemmacros_polymer_subscript_tl
\l__chemmacros_polymer_superscript_tl
}
\group_end:
}
% --------------------------------------------------------------------------
\tex_endinput:D
2016/03/07 - first version
2016/03/08 - \makepolymerdelims
|
