package HTML::Form::Simple; use strict; use warnings; use XML::Quote; our $VERSION = '1.00'; sub new { bless {}, $_[0]; } sub _attr { my $self = shift; my $expect = shift; my $attr = ref $_[-1] eq 'HASH' ? pop : {}; push @_, undef for @_+1 .. $expect; push @_, $attr; return @_; } sub quote { my $self = shift; return XML::Quote::xml_quote_min($_[0]); } sub tag { my ($self, $tag, $attr) = @_; # strip empty if it shouldn't be defined $attr->{$_} and $attr->{$_} eq '' and delete $attr->{$_} for qw(id type class style); my $return = '<' . $tag; # add booleans delete $attr->{$_} and $return .= ' '.$_ for qw(selected checked disabled readonly); $return .= sprintf ' %s="%s"', $_, $self->quote($attr->{$_}) for sort grep { defined $attr->{$_} } keys %$attr; return $return . '>'; } sub start { my ($self, $attr) = @_; return $self->tag(form => $attr); } sub stop { return ''; } sub submit { my $self = shift; my ($value, $attr) = $self->_attr(1, @_); $attr->{value} = $value if defined $value; $attr->{type} = 'submit' unless defined $attr->{type}; return $self->tag(input => $attr); } sub hidden { my $self = shift; my ($name, $value, $attr) = $self->_attr(2, @_); $attr->{name } = $name if defined $name; $attr->{value} = $value if defined $value; $attr->{type} = 'hidden' unless defined $attr->{type}; return $self->tag(input => $attr); } sub input { my $self = shift; my ($name, $value, $attr) = $self->_attr(2, @_); $attr->{name } = $name if defined $name; $attr->{value} = $value if defined $value; $attr->{id} = $attr->{name} unless defined $attr->{id}; $attr->{type} = 'text' unless defined $attr->{type} or defined $attr->{rows}; $value = delete $attr->{value} if defined $attr->{rows}; return defined $attr->{rows} ? sprintf( '%s%s', $self->tag(textarea => $attr), $self->quote(defined $value ? $value : '') ) : $self->tag(input => $attr); } sub select { my $self = shift; my ($name, $rows, $default, $attr) = $self->_attr(3, @_); $default = $attr->{value} unless defined $default; delete $attr->{value}; # never a parent attribute $attr->{name} = $name; $attr->{id} = $attr->{name} unless defined $attr->{id}; $attr->{type} = 'select' unless defined $attr->{type}; my @options = map { ref $_ ? $_ : {value => $_} } @$rows; if ($attr->{type} eq 'select') { delete $attr->{type}; if (defined $default) { for (@options) { $_->{selected} = 1 if defined $_->{value} and $_->{value} eq $default; } } my @return = ( $self->tag(select => $attr), (map { $self->tag(option => $_) } @options), '', ); return wantarray ? @return : join('', @return); } else { if (defined $attr->{id} and $attr->{id} ne '') { defined $_->{id} or defined $_->{value} and $_->{id} = $attr->{id}.'_'.$_->{value} for @options; } if (defined $attr->{label}) { defined $_->{value} and not defined $_->{label} and $_->{label} = $attr->{label}->{$_->{value}} for @options; delete $attr->{label}; } if (defined $default) { for (@options) { $_->{checked} = 1 if defined $_->{value} and $_->{value} eq $default; } } $_ = {%$attr, %$_} for @options; my @return = map { my $label = delete $_->{label}; defined $label && $label ne '' ? '" : $self->tag(input => $_) } @options; return wantarray ? @return : join('', @return); } } sub radio { my $self = shift; my ($name, $label, $value, $attr) = $self->_attr(3, @_); if (not defined $value) { if (defined $label) { $value = ref $label eq 'ARRAY' ? [1 .. $#$label+1] : [1]; } else { $value = [{}]; } } elsif (ref $value ne 'ARRAY') { $value = [$value]; } if (defined $label) { $_ = ref $_ eq 'HASH' ? {%$_} : {value => $_} for @$value; $_->{label} = ref $label eq 'ARRAY' ? shift @$label : $label for @$value; } $self->select($name, $value, {%$attr, type => 'radio'}); } sub check { my $self = shift; my ($name, $label, $checked, $attr) = $self->_attr(3, @_); my $rows = defined $label ? ref $label eq 'ARRAY' ? $label : [$label] : [{}]; ref $_ eq 'HASH' or $_ = {label => $_} for @$rows; if (defined $checked) { if (ref $checked eq 'ARRAY') { $_->{checked} = shift @$checked for @$rows; push @$rows, map { {checked => $_} } @$checked; } else { $_->{checked} = $checked for @$rows; } } exists $rows->[$_]->{value} or $rows->[$_]->{value} = $_ + 1 for 0 .. $#$rows; $self->select($name, $rows, {%$attr, type => 'checkbox'}); } 1; =head1 NAME HTML::Form::Simple =head1 SYNOPSIS my $input = HTML::Form::Simple->new; say $input->start; #