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package Poet::Util::Web;
$Poet::Util::Web::VERSION = '0.15';
use Data::Dumper;
use URI;
use URI::Escape qw(uri_escape uri_unescape);
use strict;
use warnings;
use base qw(Exporter);
our @EXPORT_OK = qw(html_escape js_escape make_uri uri_escape uri_unescape);
our %EXPORT_TAGS = ( 'all' => \@EXPORT_OK );
my %html_escape = ( '&' => '&', '>' => '>', '<' => '<', '"' => '"' );
my $html_escape = qr/([&<>"])/;
# Stolen from Javascript::Value::Escape
my %js_escape = (
q!\\! => 'u005c',
q!"! => 'u0022',
q!'! => 'u0027',
q!<! => 'u003c',
q!>! => 'u003e',
q!&! => 'u0026',
q!=! => 'u003d',
q!-! => 'u002d',
q!;! => 'u003b',
q!+! => 'u002b',
"\x{2028}" => 'u2028',
"\x{2029}" => 'u2029',
);
map { $js_escape{ pack( 'U', $_ ) } = sprintf( "u%04d", $_ ) } ( 0x00 .. 0x1f, 0x7f );
sub html_escape {
my $text = $_[0];
$text =~ s/$html_escape/$html_escape{$1}/mg;
return $text;
}
sub js_escape {
my $text = shift;
$text =~ s!([\\"'<>&=\-;\+\x00-\x1f\x7f]|\x{2028}|\x{2029})!\\$js_escape{$1}!g;
return $text;
}
sub make_uri {
my ( $base, $params ) = @_;
my $uri = URI->new($base);
if ( defined($params) ) {
die "second argument must be a hashref" if ref($params) ne 'HASH';
$uri->query_form($params);
}
return $uri->as_string;
}
1;
__END__
=pod
=head1 NAME
Poet::Util::Web - Web-related utilities
=head1 SYNOPSIS
# In a script...
use Poet::Script qw(:web);
# In a module...
use Poet qw(:web);
# Automatically available in Mason components
=head1 DESCRIPTION
This group of utilities includes
=over
=item html_escape ($str)
Return I<$str> with HTML entities escaped/unescaped.
=item uri_escape ($str), uri_unescape ($str)
Return I<$str> URI escaped/unescaped, from L<URI::Escape|URI::Escape>
=item js_escape ($str)
Return I<$str> escaped for Javascript, borrowed from
L<JavaScript::Value::Escape|JavaScript::Value::Escape>.
=item make_uri ($path, $args)
Create a URL by combining I<$path> with a query string formed from hashref
I<$args>. e.g.
make_uri("/foo/bar", { a => 5, b => 6 });
==> /foo/bar?a=5&b=6
=back
=head1 SEE ALSO
L<Poet|Poet>
=head1 AUTHOR
Jonathan Swartz <swartz@pobox.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2012 by Jonathan Swartz.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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