/usr/lib/x86_64-linux-gnu/perl5/5.22/Embperl/Syntax/HTML.pm is in libembperl-perl 2.5.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Embperl - Copyright (c) 1997-2008 Gerald Richter / ecos gmbh www.ecos.de
# Embperl - Copyright (c) 2008-2014 Gerald Richter
#
# You may distribute under the terms of either the GNU General Public
# License or the Artistic License, as specified in the Perl README file.
#
# THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# $Id: HTML.pm 1578075 2014-03-16 14:01:14Z richter $
#
###################################################################################
package Embperl::Syntax::HTML ;
use Embperl::Syntax (':types') ;
use strict ;
use vars qw{@ISA %Attr %AssignAttr %AssignAttrLink %Quotes} ;
@ISA = qw(Embperl::Syntax) ;
###################################################################################
#
# Methods
#
###################################################################################
# ---------------------------------------------------------------------------------
#
# Create new Syntax Object
#
# ---------------------------------------------------------------------------------
sub new
{
my $self = shift ;
$self = Embperl::Syntax::new ($self) ;
if (!$self -> {-htmlAssignAttr})
{
$self -> {-htmlAssignAttr} = $self -> CloneHash (\%AssignAttr) ;
$self -> {-htmlAssignAttrLink} = $self -> CloneHash (\%AssignAttr) ;
$self -> {-htmlQuotes} = $self -> CloneHash (\%Quotes) ;
}
return $self ;
}
# ---------------------------------------------------------------------------------
#
# Add new element
#
# ---------------------------------------------------------------------------------
sub AddElement
{
my ($self, $tagtype, $tagname, $attrs, $attrsurl, $attrsnoval, $procinfo, $taginfo, $addsess) = @_ ;
my $ttref ;
die "'$tagtype' unknown" if (!($ttref = $self -> {-root}{$tagtype})) ;
my $ttfollow = ($ttref -> {'follow'} ||= {}) ;
$ttref -> {'follow'}{-contains} = 'abcdefghijklmnopqrstuvwxyz0123456789_' ;
my $tag = $ttfollow -> {$tagname} = {
'text' => $tagname,
'unescape' => 1,
(ref($taginfo) eq 'HASH'?%$taginfo:()),
} ;
$tag -> {'procinfo'} = { $self -> {-procinfotype} => $procinfo, (ref($taginfo) eq 'HASH'?%{$taginfo->{procinfo}}:()) } if ($procinfo) ;
my %inside = (%{$self -> {-htmlQuotes}},
'removeslash' =>
{
'text' => "/",
'nodetype' => 0,
'cdatatype' => 0,
'removespaces' => 0,
'nodename' => '',
},
) ;
my $addinside = 0 ;
if ($attrs)
{
my $assignattr = $self -> {-htmlAssignAttr} ;
foreach (@$attrs)
{
$inside {$_} = { 'text' => $_, 'nodename' => $_, 'follow' => $assignattr },
$addinside++ ;
}
}
if ($attrsurl)
{
my $assignattr = $self -> {-htmlAssignAttrLink} ;
foreach (@$attrsurl)
{
$inside {$_} = { 'text' => $_, 'nodename' => $_, 'follow' => $assignattr },
$addinside++ ;
}
$tag -> {'procinfo'}{$self->{-procinfotype}}{perlcode} .=
q[Embperl::Cmd::AddSessionIdToLink (%$n%, ] . $addsess . q[,'] . join ("','", @$attrsurl) . "') ;"
if ($addsess) ;
}
if ($attrsnoval)
{
foreach (@$attrsnoval)
{
$inside {$_} = { 'text' => $_, , 'nodetype' => ntypAttr, },
$addinside++ ;
}
}
$tag -> {'inside'} = \%inside if ($addinside) ;
if (exists ($tag -> {'inside'}))
{
$self -> {-htmlTagInside} ||= [] ;
push @{$self -> {-htmlTagInside}}, $tag -> {'inside'} ;
}
return $tag ;
}
# ---------------------------------------------------------------------------------
#
# Add new simple html tag
#
# ---------------------------------------------------------------------------------
sub AddTag
{
my $self = shift ;
$self -> AddToRoot ({
'A HTML Tag' => {
'text' => '<',
'end' => '>',
}
}) if (!exists $self -> {-root}{'A HTML Tag'}) ;
$self -> AddElement ('A HTML Tag', @_) ;
}
# ---------------------------------------------------------------------------------
#
# Add new simple html tag which is also available inside of other tags
#
# ---------------------------------------------------------------------------------
sub AddTagInside
{
my $self = shift ;
my $tag = $self -> AddTag (@_) ;
foreach my $inside (@{$self -> {-htmlTagInside}})
{
if (!exists ($inside -> {'HTML Tag'}))
{
$inside -> {'HTML Tag'} =
{
'text' => '<',
'end' => '>',
'follow' => {},
} ;
}
$inside -> {'HTML Tag'}{follow}{$_[0]} = $tag ;
}
my $quotes = $self -> {"-htmlQuotes"} ;
while (my ($k2, $v2) = each %$quotes)
{
if (ref($v2) eq 'HASH')
{
my $inside = $v2 -> {inside} ;
if (!exists ($inside -> {'HTML Tag'}))
{
$inside -> {'HTML Tag'} =
{
'text' => '<',
'end' => '>',
'follow' => {},
} ;
}
$inside -> {'HTML Tag'}{follow}{$_[0]} = $tag ;
}
}
$quotes = $self -> {"-htmlAssignAttr"}{'Assign'}{follow} ;
while (my ($k2, $v2) = each %$quotes)
{
if (ref($v2) eq 'HASH')
{
my $inside = $v2 -> {inside} ;
if (!exists ($inside -> {'HTML Tag'}))
{
$inside -> {'HTML Tag'} =
{
'text' => '<',
'end' => '>',
'follow' => {},
} ;
}
$inside -> {'HTML Tag'}{follow}{$_[0]} = $tag ;
}
}
$quotes = $self -> {"-htmlAssignAttrLink"}{'Assign'}{follow} ;
while (my ($k2, $v2) = each %$quotes)
{
if (ref($v2) eq 'HASH')
{
my $inside = $v2 -> {inside} ;
if (!exists ($inside -> {'HTML Tag'}))
{
$inside -> {'HTML Tag'} =
{
'text' => '<',
'end' => '>',
'follow' => {},
} ;
}
$inside -> {'HTML Tag'}{follow}{$_[0]} = $tag ;
}
}
}
# ---------------------------------------------------------------------------------
#
# Add new html comment tag
#
# ---------------------------------------------------------------------------------
sub AddComment
{
my $self = shift ;
$self -> AddToRoot (
{
'HTML Comment' => {
'text' => '<!--',
'end' => '-->',
}
}) if (!exists $self -> {-root}{'HTML Comment'}) ;
$self -> AddElement ('HTML Comment', @_) ;
}
# ---------------------------------------------------------------------------------
#
# Add new block html tag
#
# ---------------------------------------------------------------------------------
sub AddTagBlock
{
my ($self, $tagname, $attrs, $attrsurl, $attrsnoval, $procinfo, $taginfo) = @_ ;
my $tag = $self -> AddTag ($tagname, $attrs, $attrsurl, $attrsnoval, $procinfo, $taginfo) ;
$tag -> {'nodetype'} = &ntypStartTag ;
$tag = $self -> AddTag ("/$tagname") ;
$tag -> {'nodetype'} = &ntypEndTag ;
$tag -> {'starttag'} = $tagname ;
}
# ---------------------------------------------------------------------------------
#
# Add new html tag which is an optional end tag
#
# ---------------------------------------------------------------------------------
sub AddTagWithStart
{
my ($self, $tagname, $starttag, $attrs, $attrsurl, $attrsnoval, $procinfo, $taginfo) = @_ ;
my $tag = $self -> AddTag ($tagname, $attrs, $attrsurl, $attrsnoval, $procinfo, $taginfo) ;
$tag -> {'starttag'} = $starttag ;
}
# ---------------------------------------------------------------------------------
#
#
#
# ---------------------------------------------------------------------------------
sub AddInside
{
my ($self, $tagtype, $inside) = @_ ;
my $ttref ;
die "'$tagtype' unknown" if (!($ttref = $self -> {-tagtype}{$tagtype})) ;
my $ttinside = ($ttref -> {'inside'} ||= {}) ;
while (my ($k, $v) = each (%$inside))
{
$ttinside -> {$k} = $v ;
}
}
###################################################################################
#
# Definitions for HTML attributs
#
###################################################################################
%Attr = (
'-lsearch' => 1,
'Attribut ""' =>
{
'text' => '"',
'end' => '"',
'nodetype' => ntypAttr,
'cdatatype' => ntypAttrValue,
},
'Attribut \'\'' =>
{
'text' => '\'',
'end' => '\'',
'nodetype' => ntypAttr,
'cdatatype' => ntypAttrValue,
'addflags' => aflgSingleQuote,
},
'Attribut alphanum' =>
{
'contains' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789',
'nodetype' => ntypAttr,
'cdatatype' => ntypAttrValue,
}
) ;
%AssignAttr = (
'Assign' =>
{
'text' => '=',
'follow' => \%Attr,
}
) ;
%Quotes = (
'Quote ""' =>
{
'text' => '"',
'end' => '"',
'nodetype' => ntypCDATA,
'cdatatype' => ntypAttrValue,
},
'Quote \'\'' =>
{
'text' => '\'',
'end' => '\'',
'nodetype' => ntypCDATA,
'cdatatype' => ntypAttrValue,
},
) ;
1;
__END__
=pod
=head1 NAME
Embperl::Syntax::HTML - define the syntax for HTML
=head1 SYNOPSIS
=head1 DESCRIPTION
Class derived from Embperl::Syntax to define the syntax for HTML.
This class does not add functionalty of it own, it just provides
methods add definitions for derived classes to implement their own
tags.
=head1 Methods
I<Embperl::Syntax::HTML> defines the following methods:
=head2 Embperl::Syntax::HTML -> new / $self -> new
Create a new syntax class. This method should only be called inside a constructor
of a derived class.
=head2 AddTag ($tagname, $attrs, $attrsurl, $attrsnoval, $procinfo, $taginfo, $addsess)
Add a new HTML tag.
=over 4
=item $tagname
Name of the HTML tag
=item $attrs
List of attributes that should be parsed out.
=item $attrsurl
List of attributes that should be parsed out. Any output inside the attribute value
is url escaped.
=item $attrsnoval
List of attributes that should be parsed out and doesn't contain a value.
=item $procinfo
Processor info. See I<Embperl::Syntax> for a definition of procinfo.
=item $taginfo
Addtional tag definitions. See I<Embperl::Syntax> for more infos.
=item $addsess
If set to 1 session id will be added to attributes passed via $attrsurl.
If set to 2 a hidden input tag with the session id will be added.
=back
=head2 AddTagInside ($tagname, $attrs, $attrsurl, $attrsnoval, $procinfo)
Same as AddTag, but tag could be also used inside of another tag.
(e.g. <sometag <someothertag> > ). This is not HTML or XML compatible,
but maybe useful for implementing tagslibs etc. sometimes.
=head2 AddComment ($tagname, $attrs, $attrsurl, $attrsnoval, $procinfo)
Add a new HTML comment. Parameters are the same as for C<AddTag>.
=head2 AddTagBlock ($tagname, $attrs, $attrsurl, $attrsnoval, $procinfo)
Add a new HTML tag with start and end tag (e.g. <table> and </table>).
Parameters are the same as for C<AddTag>.
=head2 AddTagWithStart ($tagname, $startname, $attrs, $attrsurl, $attrsnoval, $procinfo)
Add a new HTML tag which is an endtag for another tag. In opposite to C<AddTagBlock> the
end tag can, but need not exists in the source.
Parameters are the same as for C<AddTag>. Addtionaly the name of the starttag must be
specified.
=head1 Author
G. Richter (richter at embperl dot org)
=head1 See Also
Embperl::Syntax
|