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%%
%% This is file `expl3.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% expl3.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: expl3.dtx Copyright (C) 1990-2013 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 "l3kernel 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{l3names}[2012/12/07]
\@ifpackagelater{l3names}{2012/12/07}
{}
{%
\PackageError{expl3}{Mismatched LaTeX3 packages detected.}
{%
Please install an up to date version of l3kernel
using your TeX package manager or from CTAN.%
\MessageBreak \MessageBreak
Loading expl3 will abort!%
}%
\endinput
}
\def\ExplFileName{expl3}
\def\ExplFileDescription{L3 Experimental code bundle wrapper}
\def\ExplFileDate{2013/03/14}
\def\ExplFileVersion{4469}
\RequirePackage{etex}
\relax
\reserveinserts{32}
\ProvidesExplPackage
{\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
\newcommand \expl@create@bool@option [ 2 ]
{
\DeclareOption {#1} { \renewcommand* #2 { 1 } }
\DeclareOption { #1 = true } { \renewcommand* #2 { 1 } }
\DeclareOption { #1 = false } { \renewcommand* #2 { 0 } }
\newcommand* #2 { 0 }
}
\expl@create@bool@option { check-declarations } \l@expl@check@declarations@bool
\expl@create@bool@option { log-functions } \l@expl@log@functions@bool
\let \expl@create@bool@option \@undefined
\newcommand* \l@expl@options@clist { }
\DeclareOption*
{
\ifx \l@expl@options@clist \@empty
\let \l@expl@options@clist \CurrentOption
\else
\edef \l@expl@options@clist
{
\unexpanded \expandafter \expandafter \expandafter
{
\expandafter \l@expl@options@clist \expandafter , \CurrentOption
}
}
\fi
}
\ProcessOptions \relax
\RequirePackage { l3basics, l3expan, l3tl }
\ifodd \l@expl@check@declarations@bool \relax
\cs_new_protected:Npn \__cs_check_exists:N #1
{
\cs_if_exist:NF #1
{
\__msg_kernel_error:nnx { check } { non-declared-variable }
{ \token_to_str:N #1 }
}
}
\cs_set_protected:Npn \__cs_tmp:w #1
{
\if_meaning:w ? #1
\exp_after:wN \use_none_delimit_by_q_recursion_stop:w
\fi:
\use:x
{
\cs_set_protected:Npn #1 \exp_not:n { ##1 ##2 }
{
\__cs_check_exists:N \exp_not:n {##1}
\exp_not:o { #1 {##1} {##2} }
}
}
\__cs_tmp:w
}
\__cs_tmp:w
\tl_set:Nn \tl_set:No \tl_set:Nx
\tl_gset:Nn \tl_gset:No \tl_gset:Nx
\tl_put_left:Nn \tl_put_left:NV
\tl_put_left:No \tl_put_left:Nx
\tl_gput_left:Nn \tl_gput_left:NV
\tl_gput_left:No \tl_gput_left:Nx
\tl_put_right:Nn \tl_put_right:NV
\tl_put_right:No \tl_put_right:Nx
\tl_gput_right:Nn \tl_gput_right:NV
\tl_gput_right:No \tl_gput_right:Nx
? \q_recursion_stop
\cs_set_protected:Npn \tl_set_eq:NN #1#2
{
\__cs_check_exists:N #1
\__cs_check_exists:N #2
\cs_set_eq:NN #1 #2
}
\cs_set_protected:Npn \tl_gset_eq:NN #1#2
{
\__cs_check_exists:N #1
\__cs_check_exists:N #2
\cs_gset_eq:NN #1 #2
}
\cs_set_protected:Npn \tl_concat:NNN #1#2#3
{
\__cs_check_exists:N #1
\__cs_check_exists:N #2
\__cs_check_exists:N #3
\tl_set:Nx #1 { \exp_not:o {#2} \exp_not:o {#3} }
}
\cs_set_protected:Npn \tl_gconcat:NNN #1#2#3
{
\__cs_check_exists:N #1
\__cs_check_exists:N #2
\__cs_check_exists:N #3
\tl_gset:Nx #1 { \exp_not:o {#2} \exp_not:o {#3} }
}
\fi
\RequirePackage { l3seq, l3int, l3quark, l3prg }
\ifodd \l@expl@check@declarations@bool \relax
\cs_set_protected:Npn \bool_set_true:N #1
{
\__cs_check_exists:N #1
\cs_set_eq:NN #1 \c_true_bool
}
\cs_set_protected:Npn \bool_set_false:N #1
{
\__cs_check_exists:N #1
\cs_set_eq:NN #1 \c_false_bool
}
\cs_set_protected:Npn \bool_gset_true:N #1
{
\__cs_check_exists:N #1
\cs_gset_eq:NN #1 \c_true_bool
}
\cs_set_protected:Npn \bool_gset_false:N #1
{
\__cs_check_exists:N #1
\cs_gset_eq:NN #1 \c_false_bool
}
\cs_set_protected:Npn \bool_set_eq:NN #1
{
\__cs_check_exists:N #1
\cs_set_eq:NN #1
}
\cs_set_protected:Npn \bool_gset_eq:NN #1
{
\__cs_check_exists:N #1
\cs_gset_eq:NN #1
}
\cs_set_protected:Npn \bool_set:Nn #1#2
{
\__cs_check_exists:N #1
\tex_chardef:D #1 = \bool_if_p:n {#2}
}
\cs_set_protected:Npn \bool_gset:Nn #1#2
{
\__cs_check_exists:N #1
\tex_global:D \tex_chardef:D #1 = \bool_if_p:n {#2}
}
\fi
\RequirePackage
{
l3clist,
l3token,
l3prop,
l3msg,
l3file,
l3skip,
l3keys,
l3fp,
l3box,
l3coffins,
l3color,
l3luatex,
l3candidates
}
\bool_if:nT { \l@expl@check@declarations@bool }
{
\__msg_kernel_new:nnnn { check } { non-declared-variable }
{ The~variable~#1~has~not~been~declared~\msg_line_context:. }
{
Checking~is~active,~and~you~have~tried~do~so~something~like: \\
\ \ \tl_set:Nn ~ #1 ~ \{ ~ ... ~ \} \\
without~first~having: \\
\ \ \tl_new:N ~ #1 \\
\\
LaTeX~will~create~the~variable~and~continue.
}
}
\AtBeginDocument
{
\cs_if_exist:NF \color
{ \DeclareRobustCommand \color [2] [ ] { } }
}
\RequirePackage{ifpdf}
\__msg_kernel_new:nnnn { expl } { wrong-driver }
{ Driver~request~inconsistent~with~engine:~using~'#2'~driver. }
{
You~have~requested~driver~'#1',~but~this~is~not~suitable~for~use~with~the~
active~engine.~LaTeX3~will~use~the~'#2'~driver~instead.
}
\tl_new:N \l__expl_driver_tl
\keys_define:nn { expl }
{
driver .choice:,
driver / auto .code:n =
{
\xetex_if_engine:TF
{ \tl_set:Nn \l__expl_driver_tl { xdvipdfmx } }
{
\ifpdf
\tl_set:Nn \l__expl_driver_tl { pdfmode }
\else
\tl_set:Nn \l__expl_driver_tl { dvips }
\fi
}
},
driver / dvipdfmx .code:n =
{
\tl_set:Nn \l__expl_driver_tl { dvipdfmx }
\xetex_if_engine:TF
{
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ dvipdfmx } { xdvipdfmx }
\tl_set:Nn \l__expl_driver_tl { xdvipdmx }
}
{
\ifpdf
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ dvipdfmx } { pdfmode }
\tl_set:Nn \l__expl_driver_tl { pdfmode }
\fi
}
},
driver / dvips .code:n =
{
\tl_set:Nn \l__expl_driver_tl { dvips }
\xetex_if_engine:TF
{
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ dvips } { xdvipdfmx }
\tl_set:Nn \l__expl_driver_tl { xdvipdfmx }
}
{
\ifpdf
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ dvips } { pdfmode }
\tl_set:Nn \l__expl_driver_tl { pdfmode }
\fi
}
},
driver / latex2e .code:n =
{ \tl_set:Nn \l__expl_driver_tl { latex2e } },
driver / pdfmode .code:n =
{
\tl_set:Nn \l__expl_driver_tl { pdfmode }
\xetex_if_engine:TF
{
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ pdfmode } { xdvipdfmx }
\tl_set:Nn \l__expl_driver_tl { xdvipdfmx }
}
{
\ifpdf
\else
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ pdfmode } { dvips }
\tl_set:Nn \l__expl_driver_tl { dvips }
\fi
}
},
driver / xdvipdfmx .code:n =
{
\tl_set:Nn \l__expl_driver_tl { xdvipdfmx }
\xetex_if_engine:F
{
\ifpdf
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ xdvipdfmx } { pdfmode }
\tl_set:Nn \l__expl_driver_tl { pdfmode }
\else
\__msg_kernel_error:nnnn { expl } { wrong-driver }
{ xdvipdfmx } { dvips }
\tl_set:Nn \l__expl_driver_tl { dvips }
\fi
}
},
driver .initial:n = { latex2e } ,
native-drivers .choice:,
native-drivers .default:n = { true },
native-drivers / false .meta:n = { driver = latex2e },
native-drivers / true .meta:n = { driver = auto }
}
\keys_define:nn { expl }
{
check-declarations .bool_set:N = \l@expl@check@declarations@bool,
log-functions .bool_set:N = \l@expl@log@functions@bool
}
\keys_set:nV { expl } \l@expl@options@clist
\str_if_eq:nVTF { latex2e } \l__expl_driver_tl
{
\tl_gput_left:Nn \@begindocumenthook { \RequirePackage { graphics } }
\__msg_kernel_new:nnnn { box } { clipping-not-available }
{ Box~clipping~not~available. }
{
The~\box_clip:N~function~is~only~available~when~loading~expl3~
with~the~"native-drivers"~option.
}
\cs_set_protected:Npn \box_clip:N #1
{
\hbox_set:Nn #1 { \box_use:N #1 }
\__msg_kernel_error:nn { box } { clipping-not-available }
}
\cs_set_protected:Npn \box_rotate:Nn #1#2
{ \hbox_set:Nn #1 { \rotatebox {#2} { \box_use:N #1 } } }
\cs_set_protected:Npn \box_resize:Nnn #1#2#3
{
\hbox_set:Nn #1
{
\resizebox *
{ \__dim_eval:w #2 \__dim_eval_end: }
{ \__dim_eval:w #3 \__dim_eval_end: }
{ \box_use:N #1 }
}
}
\cs_set_protected:Npn \box_resize_to_ht_plus_dp:Nn #1#2
{
\hbox_set:Nn #1
{
\resizebox * { ! } { \__dim_eval:w #2 \__dim_eval_end: }
{ \box_use:N #1 }
}
}
\cs_set_protected:Npn \box_resize_to_wd:Nn #1#2
{
\hbox_set:Nn #1
{
\resizebox * { \__dim_eval:w #2 \__dim_eval_end: } { ! }
{ \box_use:N #1 }
}
}
\cs_set_protected:Npn \box_scale:Nnn #1#2#3
{
\hbox_set:Nn #1
{
\exp_last_unbraced:Nx \scalebox
{ { \fp_eval:n {#2} } [ \fp_eval:n {#3} ] }
{ \box_use:N #1 }
}
}
}
{
\tl_const:Nn \c__expl_def_ext_tl { def }
\@onefilewithoptions { l3 \l__expl_driver_tl } [ ] [ ] \c__expl_def_ext_tl
}
\cs_set_protected_nopar:Npn \ExplSyntaxOn
{
\bool_if:NF \l__kernel_expl_bool
{
\cs_set_protected_nopar:Npx \ExplSyntaxOff
{
\char_set_catcode:nn { 9 } { \char_value_catcode:n { 9 } }
\char_set_catcode:nn { 32 } { \char_value_catcode:n { 32 } }
\char_set_catcode:nn { 34 } { \char_value_catcode:n { 34 } }
\char_set_catcode:nn { 36 } { \char_value_catcode:n { 36 } }
\char_set_catcode:nn { 38 } { \char_value_catcode:n { 38 } }
\char_set_catcode:nn { 58 } { \char_value_catcode:n { 58 } }
\char_set_catcode:nn { 94 } { \char_value_catcode:n { 94 } }
\char_set_catcode:nn { 95 } { \char_value_catcode:n { 95 } }
\char_set_catcode:nn { 124 } { \char_value_catcode:n { 124 } }
\char_set_catcode:nn { 126 } { \char_value_catcode:n { 126 } }
\tex_endlinechar:D = \tex_the:D \tex_endlinechar:D \scan_stop:
\bool_set_false:N \l__kernel_expl_bool
\cs_set_protected_nopar:Npn \ExplSyntaxOff { }
}
}
\char_set_catcode_ignore:n { 9 } % tab
\char_set_catcode_ignore:n { 32 } % space
\char_set_catcode_other:n { 34 } % double quote
\char_set_catcode_math_toggle:n { 36 } % dollar
\char_set_catcode_alignment:n { 38 } % ampersand
\char_set_catcode_letter:n { 58 } % colon
\char_set_catcode_math_superscript:n { 94 } % circumflex
\char_set_catcode_letter:n { 95 } % underscore
\char_set_catcode_other:n { 124 } % pipe
\char_set_catcode_space:n { 126 } % tilde
\tex_endlinechar:D = 32 \scan_stop:
\bool_set_true:N \l__kernel_expl_bool
}
\cs_set_protected_nopar:Npx \ExplSyntaxOff
{
\exp_not:o \ExplSyntaxOff
\cs_set_protected_nopar:Npn \ExplSyntaxOff { }
}
%%
%%
%% End of file `expl3.sty'.
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