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use 5.010;
use strict;
use Test::More;
plan 'no_plan';
my $test_grammar = do {
use Regexp::Grammars;
qr{
<keyword=(\w+)>
<content=(.+?)>
<dekeyword( delim => 'fo+/')>
|
<keyword=(\w+)>
<content=(.+?)>
<unkeyword(:keyword, prefix=>'end')>
|
<keyword=(\w+)>
<content=(.+?)>
<revkeyword=unkeyword(?{ keyword => scalar(reverse($::MATCH{keyword})) })>
<rule: unkeyword>
(??{ quotemeta( ($::ARG{prefix}//q{}) . $::ARG{keyword} ) })
<token: dekeyword>
(<:delim>) <terminator=(?{$::CAPTURE})>
}xms;
};
ok 'fooxoof' =~ $test_grammar => 'Match reverse';
is $/{keyword}, 'foo' => 'Keyword as expected';
is $/{content}, 'x' => 'Content as expected';
is $/{revkeyword}, 'oof' => 'Revkeyword as expected';
ok 'fooxendfoo' =~ $test_grammar => 'Match end';
is $/{keyword}, 'foo' => 'Keyword as expected';
is $/{content}, 'x' => 'Content as expected';
is $/{unkeyword}, 'endfoo' => 'Unkeyword as expected';
ok 'fooxfoo/' =~ $test_grammar => 'Match /';
is $/{keyword}, 'foo' => 'Keyword as expected';
is $/{content}, 'x' => 'Content as expected';
is_deeply $/{dekeyword}, { "" =>'foo/', 'terminator'=>'foo/' }
=> 'Dekeyword as expected';
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