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%%
%% This is file `realscripts.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% realscripts.dtx (with options: `package')
%% ____________________________
%% The REALSCRIPTS package
%% (C) 2010 Will Robertson
%% License information appended
%%
\ProvidesPackage{realscripts}
[2010/09/30 v0.3 Access OpenType subscripts and superscripts]
\RequirePackage{fontspec}
\ExplSyntaxOn
\DeclareDocumentCommand \fakesubscript {m} {
\@textsubscript{\selectfont#1}
}
\DeclareDocumentCommand \fakesuperscript {m} {
\@textsuperscript{\selectfont#1}
}
\RenewDocumentCommand \textsubscript {s} {
\IfBooleanTF #1 \fakesubscript \realsubscript
}
\RenewDocumentCommand \textsuperscript {s} {
\IfBooleanTF #1 \fakesuperscript \realsuperscript
}
\DeclareDocumentCommand \realsubscript {m} {
\fontspec_if_fontspec_font:TF {
\fontspec_if_opentype:TF
{ \fontspec_if_feature:nTF {+subs}
{ {\addfontfeature{VerticalPosition=Inferior}#1} }
{ \fontspec_if_feature:nTF {+sinf}
{ {\addfontfeature{VerticalPosition=ScientificInferior}#1} }
{ \fakesubscript{#1} }
}
}
{ \fontspec_if_aat_feature:nnTF {10} {2}
{ {\addfontfeature{VerticalPosition=Inferior}#1} }
{ \fakesubscript{#1} }
}
}
{ \fakesubscript{#1} }
}
\DeclareDocumentCommand \realsuperscript {m} {
\fontspec_if_fontspec_font:TF
{
\fontspec_if_opentype:TF
{ \fontspec_if_feature:nTF {+sups}
{ {\addfontfeature{VerticalPosition=Superior}#1} }
{ \fakesuperscript{#1} }
}
{ \fontspec_if_aat_feature:nnTF {10} {1}
{ {\addfontfeature{VerticalPosition=Superior}#1} }
{ \fakesuperscript{#1} }
}
}
{ \fakesuperscript{#1} }
}
\cs_set:Npn \@makefnmark {
\mbox{\footnotemarkfont\textsuperscript{\@thefnmark}}
}
\cs_if_exist:NTF \ftntm@font
{
\cs_new:Npn \footnotemarkfont {\ftntm@font}
}
{
\cs_new:Npn \footnotemarkfont {\normalfont}
}
\DeclareDocumentCommand \textsubsuperscript {s O{l} mm} {
\group_begin:
\IfBooleanTF #1
{
\hbox_set:Nn \l_tmpa_box {\textsubscript*{#3}}
\hbox_set:Nn \l_tmpb_box {\textsuperscript*{#4}}
}
{
\hbox_set:Nn \l_tmpa_box {\textsubscript{#3}}
\hbox_set:Nn \l_tmpb_box {\textsuperscript{#4}}
}
\hbox_set:Nn \l_tmpa_box
{ \box_move_down:nn \subsupersep {\box_use:N \l_tmpa_box} }
\hbox_set:Nn \l_tmpb_box
{ \box_move_up:nn \subsupersep {\box_use:N \l_tmpb_box} }
\prg_case_str:nnn {#2}
{
{l}{\use_i:nnn}
{c}{\use_ii:nnn}
{r}{\use_iii:nnn}
}
{
\PackageWarning{realscripts}{
Unknown~alignment~option~`#2'. \MessageBreak
One~ of~ `l',~ `c',~ `r',~ only
}
\use_i:nnn
}
{
\hbox_overlap_right:n { \box_use:N \l_tmpa_box }
\hbox_overlap_right:n { \box_use:N \l_tmpb_box }
\skip_horizontal:n {
\dim_max:nn {\box_wd:N \l_tmpa_box} {\box_wd:N \l_tmpb_box}
}
}
{
\dim_compare:nTF { \box_wd:N \l_tmpa_box > \box_wd:N \l_tmpb_box }
{
\skip_horizontal:n {
0.5\box_wd:N \l_tmpa_box-0.5\box_wd:N \l_tmpb_box
}
\box_use:N \l_tmpb_box
\skip_horizontal:n {
-0.5\box_wd:N \l_tmpa_box-0.5\box_wd:N \l_tmpb_box
}
\box_use:N \l_tmpa_box
}
{
\skip_horizontal:n {
0.5\box_wd:N \l_tmpb_box-0.5\box_wd:N \l_tmpa_box
}
\box_use:N \l_tmpa_box
\skip_horizontal:n {
-0.5\box_wd:N \l_tmpb_box-0.5\box_wd:N \l_tmpa_box
}
\box_use:N \l_tmpb_box
}
}
{
\skip_horizontal:n {
\dim_max:nn {\box_wd:N \l_tmpa_box} {\box_wd:N \l_tmpb_box}
}
\hbox_overlap_left:n { \box_use:N \l_tmpa_box }
\hbox_overlap_left:n { \box_use:N \l_tmpb_box }
}
\group_end:
}
\DeclareDocumentCommand \textsupersubscript {s O{l} mm} {
\textsubsuperscript #1 [#2] {#3} {#2}
}
\dim_new:N \subsupersep
\cs_set:Nn \dim_max:nn {
\dim_compare:nTF {#1>#2} {#1} {#2}
}
\cs_set:Nn \dim_min:nn {
\dim_compare:nTF {#2>#1} {#1} {#2}
}
%%
%% Copyright (C) 2010 by Will Robertson <will.robertson@latex-project.org>
%%
%% Distributable under the LaTeX Project Public License,
%% version 1.3c or higher (your choice). The latest version of
%% this license is at: http://www.latex-project.org/lppl.txt
%%
%% This work is "maintained" (as per LPPL maintenance status)
%% by Will Robertson.
%%
%% This work consists of the file realscripts.dtx
%% and the derived files realscripts.sty,
%% realscripts.ins, and
%% realscripts.pdf.
%%
%%
%% End of file `realscripts.sty'.
|
