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|
%%^^A%% um-code-fontopt.dtx -- part of UNICODE-MATH <wspr.io/unicode-math>
%%^^A%% Keyval for `\setmathfont`
% \section{Font loading options}
%
% \begin{macrocode}
%<*package>
% \end{macrocode}
%
% \subsection{Math version}
% \begin{macrocode}
\keys_define:nn {unicode-math}
{
version .code:n =
{
\tl_set:Nn \l_@@_mversion_tl {#1}
\DeclareMathVersion {\l_@@_mversion_tl}
}
}
% \end{macrocode}
%
% \subsection{Script and scriptscript font options}
% \begin{macrocode}
\keys_define:nn {unicode-math}
{
script-features .tl_set:N = \l_@@_script_features_tl ,
sscript-features .tl_set:N = \l_@@_sscript_features_tl ,
script-font .tl_set:N = \l_@@_script_font_tl ,
sscript-font .tl_set:N = \l_@@_sscript_font_tl ,
}
% \end{macrocode}
%
% \subsection{Range processing}
% \seclabel{rangeproc}
%
% Locally redefined all math symbol commands to their slot number prefixed by a quark.
% Similary for the math classes.
% \begin{macrocode}
\keys_define:nn {unicode-math}
{
range .code:n =
{
\bool_set_false:N \l_@@_init_bool
\@@_range_init:
\group_begin:
\seq_map_inline:Nn \g_@@_mathclasses_seq
{
\cs_set:Npn ##1 { \use_none:n \q_unicode_math \exp_not:N ##1 }
}
\cs_set:Npn \_@@_sym:nnn ##1 ##2 ##3
{
\cs_set:Npn ##2 { \use_none:n \q_unicode_math ##1 }
}
\@@_input_math_symbol_table:
\@@_range_process:n {#1}
\group_end:
}
}
% \end{macrocode}
%
% \begin{macro}{\@@_range_init:}
% Set processing functions if we're not defining the full Unicode math repetoire.
% Math symbols are defined with \cmd\_@@_sym:nnn; see \secref{mathsymbol}
% for the individual definitions
% \begin{macrocode}
\cs_new:Nn \@@_range_init:
{
\int_incr:N \g_@@_fam_int
\tl_set:Nx \l_@@_symfont_label_tl {@@_fam\int_use:N\g_@@_fam_int}
\cs_set_eq:NN \_@@_sym:nnn \@@_process_symbol_parse:nnn
\cs_set_eq:NN \@@_remap_symbol:nnn \@@_remap_symbol_parse:nnn
\cs_set_eq:NN \@@_maybe_init_alphabet:n \use_none:n
\cs_set_eq:NN \@@_assign_delcode:nn \@@_assign_delcode_parse:nn
\cs_set_eq:NN \@@_make_mathactive:nNN \@@_make_mathactive_parse:nNN
% \end{macrocode}
% Proceed by filling up the various `range' seqs according to the user options.
% \begin{macrocode}
\seq_gclear:N \g_@@_char_range_seq
\seq_gclear:N \g_@@_mclass_range_seq
\seq_gclear:N \g_@@_mathalph_seq
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@@_range_process:}
% \begin{macrocode}
\cs_new:Nn \@@_range_process:n
{
\clist_map_inline:nn {#1}
{
\@@_mathalph_decl:nF {##1} { \@@_range_decl:n {##1} }
}
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@@_mathalph_decl:nF}
% Possible forms of input:\\
% |\mathscr|\\
% |\mathscr->\mathup|\\
% |\mathscr/{Latin}|\\
% |\mathscr/{Latin}->\mathup|\\
% Outputs:\\
% |tmpa|: math style (\eg, |\mathscr|)\\
% |tmpb|: alphabets (\eg, |Latin|)\\
% |tmpc|: remap style (\eg, |\mathup|). Defaults to |tmpa|.
%
% The remap style can also be |\mathcal->stixcal|, which I marginally prefer
% in the general case.
% \begin{macrocode}
\cs_new:Nn \@@_mathalph_decl:nF
{
\tl_set:Nn \l_@@_tmpa_tl {#1}
\tl_clear:N \l_@@_tmpb_tl
\tl_clear:N \l_@@_tmpc_tl
\tl_if_in:NnT \l_@@_tmpa_tl {->}
{ \exp_after:wN \@@_split_arrow:w \l_@@_tmpa_tl \q_nil }
\tl_if_in:NnT \l_@@_tmpa_tl {/}
{ \exp_after:wN \@@_split_slash:w \l_@@_tmpa_tl \q_nil }
\tl_set:Nx \l_@@_tmpa_tl { \tl_to_str:N \l_@@_tmpa_tl }
\exp_args:NNx \tl_remove_all:Nn \l_@@_tmpa_tl { \token_to_str:N \math }
\exp_args:NNx \tl_remove_all:Nn \l_@@_tmpa_tl { \token_to_str:N \sym }
\tl_trim_spaces:N \l_@@_tmpa_tl
\tl_if_empty:NT \l_@@_tmpc_tl
{ \tl_set_eq:NN \l_@@_tmpc_tl \l_@@_tmpa_tl }
\clist_if_in:NVT \g_@@_bad_alpha_clist \l_@@_tmpa_tl { \@@_error:n {range-not-bf-sf} }
\prop_if_exist:cTF {g_@@_named_range_ \l_@@_tmpa_tl _prop}
{
\seq_gput_right:Nx \g_@@_mathalph_seq
{
{ \exp_not:V \l_@@_tmpa_tl }
{ \exp_not:V \l_@@_tmpb_tl }
{ \exp_not:V \l_@@_tmpc_tl }
}
}
{#2}
}
% \end{macrocode}
%
% \begin{macrocode}
\cs_set:Npn \@@_split_arrow:w #1->#2 \q_nil
{
\tl_set:Nx \l_@@_tmpa_tl { \tl_trim_spaces:n {#1} }
\tl_set:Nx \l_@@_tmpc_tl { \tl_trim_spaces:n {#2} }
}
% \end{macrocode}
% \begin{macrocode}
\cs_set:Npn \@@_split_slash:w #1/#2 \q_nil
{
\tl_set:Nx \l_@@_tmpa_tl { \tl_trim_spaces:n {#1} }
\tl_set:Nx \l_@@_tmpb_tl { \tl_trim_spaces:n {#2} }
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@@_range_decl:n}
% \begin{macrocode}
\cs_new_protected:Nn \@@_range_decl:n
{
\bool_lazy_and:nnTF { \tl_if_single_p:n {#1} } { \token_if_cs_p:N #1 }
{
\tl_if_in:VnTF #1 { \q_unicode_math }
{
\seq_if_in:NnTF \g__um_mathclasses_seq {#1}
{ \seq_gput_right:Nn \g_@@_mclass_range_seq {#1} }
{ \seq_gput_right:Nx \g_@@_char_range_seq {#1} }
}
{ \@@_error:nx {bad-cs-in-range} { \tl_to_str:n {#1} } }
}
{
\seq_gput_right:Nx \g_@@_char_range_seq {#1}
}
}
% \end{macrocode}
% \end{macro}
%
%
% \begin{macro}{\@@_if_char_spec:nNT}
% \darg{Unicode character slot}
% \darg{control sequence (math class)}
% \darg{code to execute}
% This macro expands to |#3|
% if any of its arguments are contained in \cmd\g_@@_char_range_seq.
% This list can contain either character ranges (for checking with |#1|) or control sequences.
% These latter can either be the command name of a specific character, \emph{or} the math
% type of one (\eg, \cmd\mathbin).
%
% Character ranges are passed to \cs{@@_if_char_spec:nNT}, which accepts input in the form shown in \tabref{ranges}.
%
% \begin{table}[htbp]
% \centering
% \topcaption{Ranges accepted by \cs{@@_if_char_spec:nNT}.}
% \label{tab:ranges}
% \begin{tabular}{>{\ttfamily}cc}
% \textrm{Input} & Range \\
% \hline
% x & $r=x$ \\
% x- & $r\geq x$ \\
% -y & $r\leq y$ \\
% x-y & $x \leq r \leq y$ \\
% \end{tabular}
% \end{table}
%
% We have three tests, performed sequentially in order of execution time.
% Any test finding a match jumps directly to the end.
% \begin{macrocode}
\cs_new:Nn \@@_if_char_spec:nNT
{
% math class:
\seq_if_in:NnT \g_@@_mclass_range_seq {#2}
{ \use_none_delimit_by_q_nil:w }
% character slot:
\seq_map_inline:Nn \g_@@_char_range_seq
{
\@@_int_if_slot_is_last_in_range:nnT {#1} {##1}
{ \seq_gremove_all:Nn \g_@@_char_range_seq {##1} }
\@@_int_if_slot_in_range:nnT {#1} {##1}
{ \seq_map_break:n { \use_none_delimit_by_q_nil:w } }
}
% the following expands to nil if no match was found:
\use_none:nnn
\q_nil
\use:n
{
\cs_if_eq:NNT #2 \mathalpha
{
\clist_put_right:Nx \l_@@_mathmap_charints_clist { \int_eval:n {#1} }
}
#3
}
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@@_int_if_slot_in_range:nnT}
% Pretty basic comma separated range processing.
% Donald Arseneau's \pkg{selectp} package has a cleverer technique.
%
% A `numrange' is like |-2,5-8,12,17-| (can be unsorted).
%
% Four cases, four argument types:
% \begin{Verbatim}
% input #2 #3 #4
% "1 " [ 1] - [qn] - [ ] qs
% "1- " [ 1] - [ ] - [qn-] qs
% " -3" [ ] - [ 3] - [qn-] qs
% "1-3" [ 1] - [ 3] - [qn-] qs
% \end{Verbatim}
%
% \begin{macrocode}
\cs_new:Nn \@@_int_if_slot_in_range:nnT
{
\@@_numrange_parse:nwT {#1} #2 - \q_nil - \q_stop {#3}
}
% \end{macrocode}
%
% \begin{macrocode}
\cs_set:Npn \@@_numrange_parse:nwT #1 #2 - #3 - #4 \q_stop #5
{
\tl_if_empty:nTF {#4} { \int_compare:nT {#1=#2} {#5} }
{
\tl_if_empty:nTF {#3} { \int_compare:nT {#1>=#2} {#5} }
{
\tl_if_empty:nTF {#2} { \int_compare:nT {#1<=#3} {#5} }
{
\int_compare:nT {#1>=#2} { \int_compare:nT {#1<=#3} {#5} }
} } }
}
% \end{macrocode}
% \end{macro}
%
%
% \begin{macrocode}
\cs_new:Nn \@@_int_if_slot_is_last_in_range:nnT
{
\@@_numrange_last_parse:nwT {#1} #2 - \q_nil - \q_stop {#3}
}
% \end{macrocode}
%
% \begin{macrocode}
\cs_set:Npn \@@_numrange_last_parse:nwT #1 #2 - #3 - #4 \q_stop #5
{
\tl_if_empty:nTF {#4} { \int_compare:nT {#1==#2} {#5} }
{
\tl_if_empty:nTF {#2} { \int_compare:nT {#1==#3} {#5} }
{
\int_compare:nT {#1==#3} {#5}
} }
}
% \end{macrocode}
% \end{macro}
%
% \begin{macrocode}
%</package>
% \end{macrocode}
\endinput
% /©
%
% ------------------------------------------------
% The UNICODE-MATH package <wspr.io/unicode-math>
% ------------------------------------------------
% This package is free software and may be redistributed and/or modified under
% the conditions of the LaTeX Project Public License, version 1.3c or higher
% (your choice): <http://www.latex-project.org/lppl/>.
% ------------------------------------------------
% Copyright 2006-2018 Will Robertson, LPPL "maintainer"
% Copyright 2010-2017 Philipp Stephani
% Copyright 2011-2017 Joseph Wright
% Copyright 2012-2015 Khaled Hosny
% ------------------------------------------------
%
% ©/
|
