# -*- mode: Perl -*-
# /=====================================================================\ #
# |  pgfutils latexml driver                                            | #
# | Implementation for LaTeXML                                          | #
# |=====================================================================| #
# | Part of LaTeXML:                                                    | #
# |  Public domain software, produced as part of work done by the       | #
# |  United States Government & not subject to copyright in the US.     | #
# |---------------------------------------------------------------------| #
# | Released to the Public Domain                                       | #
# |---------------------------------------------------------------------| #
# | Bruce Miller <bruce.miller@nist.gov>                        #_#     | #
# | http://dlmf.nist.gov/LaTeXML/                              (o o)    | #
# \=========================================================ooo==U==ooo=/ #

package LaTeXML::Package::Pool;
use strict;
use warnings;

#======================================================================
# Load pgf's TeX code for util-common, first
InputDefinitions('pgfutil-common', type => 'tex', noltxml => 1)
  || Warn(":missing:pgfutil-common.tex Couldn't find pgfutil-common.tex");

# Overwrite macros of interest

DefMacro('\pgfutil@in@{}{}', sub {
    AssignValue('pgfutilin_args', [ToString($_[1]), ToString($_[2])]);
    return; });

DefConditional('\ifpgfutil@in@', sub {
    my $args    = LookupValue('pgfutilin_args') || ['', ''];
    my $element = $$args[0];
    my $list    = $$args[1];
    my $test    = (index($list, $element) != -1);
    # print STDERR "-- Is $element in $list ? Answer: $test\n";
    return $test; });

1;
