C4/TmplTokenType.pm

   1 package C4::TmplTokenType;
   2
   3 # Copyright 2011 Tamil
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use strict;
  21 #use warnings; FIXME - Bug 2505
  22 require Exporter;
  23
  24 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
  25
  26 ###############################################################################
  27
  28 =head1 NAME
  29
  30 C4::TmplTokenType.pm - Types of TmplToken objects
  31
  32 =head1 DESCRIPTION
  33
  34 This is a Java-style "safe enum" singleton class for types of TmplToken objects.
  35 The predefined constants are
  36
  37 =cut
  38
  39 ###############################################################################
  40
  41 $VERSION = 3.07.00.049;
  42
  43 @ISA = qw(Exporter);
  44 @EXPORT_OK = qw(
  45     &TEXT
  46     &TEXT_PARAMETRIZED
  47     &CDATA
  48     &TAG
  49     &DECL
  50     &PI
  51     &DIRECTIVE
  52     &COMMENT
  53     &UNKNOWN
  54 );
  55
  56 ###############################################################################
  57
  58 use vars qw( $_text $_text_parametrized $_cdata
  59     $_tag $_decl $_pi $_directive $_comment $_null $_unknown );
  60
  61 BEGIN {
  62     my $new = sub {
  63         my $this = 'C4::TmplTokenType';#shift;
  64         my $class = ref($this) || $this;
  65         my $self = {};
  66         bless $self, $class;
  67         ($self->{'id'}, $self->{'name'}, $self->{'desc'}) = @_;
  68         return $self;
  69     };
  70     $_text              = &$new(0, 'TEXT');
  71     $_text_parametrized = &$new(8, 'TEXT-PARAMETRIZED');
  72     $_cdata             = &$new(1, 'CDATA');
  73     $_tag               = &$new(2, 'TAG');
  74     $_decl              = &$new(3, 'DECL');
  75     $_pi                = &$new(4, 'PI');
  76     $_directive         = &$new(5, 'DIRECTIVE');
  77     $_comment           = &$new(6, 'COMMENT');
  78     $_unknown           = &$new(7, 'UNKNOWN');
  79 }
  80
  81 sub to_string {
  82     my $this = shift;
  83     return $this->{'name'}
  84 }
  85
  86 sub TEXT              { $_text }
  87 sub TEXT_PARAMETRIZED { $_text_parametrized }
  88 sub CDATA             { $_cdata }
  89 sub TAG               { $_tag }
  90 sub DECL              { $_decl }
  91 sub PI                { $_pi }
  92 sub DIRECTIVE         { $_directive }
  93 sub COMMENT           { $_comment }
  94 sub UNKNOWN           { $_unknown }
  95
  96 ###############################################################################
  97
  98 =over
  99
 100 =item TEXT
 101
 102 normal text (#text in the DTD)
 103
 104 =item TEXT_PARAMETRIZED
 105
 106 parametrized normal text
 107 (result of simple recognition of text interspersed with <TMPL_VAR> directives;
 108 this has to be explicitly enabled in the scanner)
 109
 110 =item CDATA
 111
 112 normal text (CDATA in the DTD)
 113
 114 =item TAG
 115
 116 something that has the form of an HTML tag
 117
 118 =item DECL
 119
 120 something that has the form of an SGML declaration
 121
 122 =item PI
 123
 124 something that has the form of an SGML processing instruction
 125
 126 =item DIRECTIVE
 127
 128 a Template Toolkit directive
 129
 130 =item COMMENT
 131
 132 something that has the form of an HTML comment
 133 (and is not recognized as an HTML::Template directive)
 134
 135 =item UNKNOWN
 136
 137 something that is not recognized at all by the scanner
 138
 139 =back
 140
 141 Note that end of file is currently represented by undef,
 142 instead of a constant predefined by this module.
 143
 144 =cut
 145
 146 1;