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%%
%% This is file `l3flag.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3flag.dtx (with options: `package')
%%
%% EXPERIMENTAL CODE
%%
%% Do not distribute this file without also distributing the
%% source files specified above.
%%
%% Do not distribute a modified version of this file.
%%
%% File: l3flag.dtx Copyright (C) 2011-2012,2014-2016 The LaTeX3 Project
%%
%% It may be distributed and/or modified under the conditions of the
%% LaTeX Project Public License (LPPL), either version 1.3c of this
%% license or (at your option) any later version. The latest version
%% of this license is in the file
%%
%% http://www.latex-project.org/lppl.txt
%%
%% This file is part of the "l3experimental bundle" (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%%
%% The released version of this bundle is available from CTAN.
%%
%% -----------------------------------------------------------------------
%%
%% The development version of the bundle can be found at
%%
%% http://www.latex-project.org/svnroot/experimental/trunk/
%%
%% for those people who are interested.
%%
%%%%%%%%%%%
%% NOTE: %%
%%%%%%%%%%%
%%
%% Snapshots taken from the repository represent work in progress and may
%% not work or may contain conflicting material! We therefore ask
%% people _not_ to put them into distributions, archives, etc. without
%% prior consultation with the LaTeX3 Project.
%%
%% -----------------------------------------------------------------------
\RequirePackage{expl3}[2016/11/21]
\@ifpackagelater{expl3}{2016/11/21}
{}
{%
\PackageError{l3flag}{Support package l3kernel too old}
{%
Please install an up to date version of l3kernel\MessageBreak
using your TeX package manager or from CTAN.\MessageBreak
\MessageBreak
Loading l3flag will abort!%
}%
\endinput
}
\GetIdInfo$Id: l3flag.dtx 6760 2016-11-21 20:35:31Z joseph $
{L3 Experimental flags}
\ProvidesExplPackage
{\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
\cs_new_protected:Npn \flag_new:n #1
{
\cs_new:cpn { __flag_trap_#1:w } ##1 ;
{ \exp_after:wN \use_none:n \cs:w __flag_#1_##1: \cs_end: }
}
\cs_new_protected:Npn \flag_clear:n #1
{ \__flag_clear:ww 0 ; #1 \q_stop }
\cs_new_protected:Npn \__flag_clear:ww #1 ; #2 \q_stop
{
\if_cs_exist:w __flag_#2_#1: \cs_end:
\else:
\exp_after:wN \use_none_delimit_by_q_stop:w
\fi:
\cs_set_eq:cN { __flag_#2_#1: } \tex_undefined:D
\exp_after:wN \__flag_clear:ww
\__int_value:w \__int_eval:w \c_one + #1 ;
#2 \q_stop
}
\cs_new_protected:Npn \flag_clear_new:n #1
{ \flag_if_exist:nTF {#1} { \flag_clear:n } { \flag_new:n } {#1} }
\cs_new_protected:Npn \flag_set_trap:nn #1#2
{ \cs_set:cpn { __flag_trap_#1:w } ##1 ; {#2} }
\prg_new_conditional:Npnn \flag_if_exist:n #1 { p , T , F , TF }
{
\cs_if_exist:cTF { __flag_trap_#1:w }
{ \prg_return_true: } { \prg_return_false: }
}
\prg_new_conditional:Npnn \flag_if_raised:n #1 { p , T , F , TF }
{
\if_cs_exist:w __flag_#1_0: \cs_end:
\prg_return_true:
\else:
\prg_return_false:
\fi:
}
\cs_new:Npn \flag_height:n #1 { \__flag_height_loop:ww 0; #1 \q_stop }
\cs_new:Npn \__flag_height_loop:ww #1 ; #2 \q_stop
{
\if_cs_exist:w __flag_#2_#1: \cs_end:
\exp_after:wN \__flag_height_loop:ww \__int_value:w \__int_eval:w \c_one +
\else:
\exp_after:wN \__flag_height_end:ww
\fi:
#1 ; #2 \q_stop
}
\cs_new:Npn \__flag_height_end:ww #1 ; #2 \q_stop { #1 }
\cs_new:Npn \flag_raise:n #1
{
\cs:w __flag_trap_#1:w \exp_after:wN \cs_end:
\__int_value:w \flag_height:n {#1} ;
}
%%
%%
%% End of file `l3flag.sty'.
|
