lib/SQL/Translator/Producer/YAML.pm

   1 package SQL::Translator::Producer::YAML;
   2
   3 # -------------------------------------------------------------------
   4 # $Id: YAML.pm,v 1.4 2003-10-09 21:51:08 kycl4rk Exp $
   5 # -------------------------------------------------------------------
   6 # Copyright (C) 2003 darren chamberlain <darren@cpan.org>,
   7 #   Ken Y. Clark <kclark@cpan.org>.
   8 #
   9 # This program is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU General Public License as
  11 # published by the Free Software Foundation; version 2.
  12 #
  13 # This program is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 # General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  21 # 02111-1307  USA
  22 # -------------------------------------------------------------------
  23
  24 use strict;
  25 use vars qw($VERSION);
  26 $VERSION = sprintf "%d.%02d", q$Revision: 1.4 $ =~ /(\d+)\.(\d+)/;
  27
  28 use YAML qw(Dump);
  29
  30 # -------------------------------------------------------------------
  31 sub produce {
  32     my $translator  = shift;
  33     my $schema      = $translator->schema;
  34
  35     return Dump({
  36         schema => {
  37             tables => {
  38                 map { ($_->name => view_table($_)) } $schema->get_tables,
  39             },
  40             views => {
  41                 map { ($_->name => view_view($_)) } $schema->get_views,
  42             },
  43             triggers => {
  44                 map { ($_->name => view_trigger($_)) } $schema->get_triggers,
  45             },
  46             procedures => {
  47                 map { ($_->name => view_procedure($_)) }
  48                 $schema->get_procedures,
  49             },
  50         }
  51     });
  52 }
  53
  54 # -------------------------------------------------------------------
  55 sub view_table {
  56     my $table = shift;
  57     my $name = $table->name;
  58
  59     return {
  60         'name'     => $table->name,
  61         'order'    => $table->order,
  62         'options'  => $table->options  || [],
  63         'comments' => $table->comments || '',
  64         'fields'   => {
  65             map { ($_->name => view_field($_)) } $table->get_fields
  66         },
  67     };
  68 }
  69
  70 # -------------------------------------------------------------------
  71 sub view_field {
  72     my $field = shift;
  73
  74     return {
  75         'order'          => scalar $field->order,
  76         'name'           => scalar $field->name,
  77         'data_type'      => scalar $field->data_type,
  78         'size'           => [ $field->size ],
  79         'default_value'  => scalar $field->default_value,
  80         'is_nullable'    => scalar $field->is_nullable,
  81         'is_primary_key' => scalar $field->is_primary_key,
  82         'is_unique'      => scalar $field->is_unique,
  83         'extra'          => { $field->extra },
  84     };
  85 }
  86
  87 # -------------------------------------------------------------------
  88 sub view_procedure {
  89     my $procedure = shift;
  90
  91     return {
  92         'order'      => scalar $procedure->order,
  93         'name'       => scalar $procedure->name,
  94         'sql'        => scalar $procedure->sql,
  95         'parameters' => scalar $procedure->parameters,
  96         'owner'      => scalar $procedure->owner,
  97         'comments'   => scalar $procedure->comments,
  98     };
  99 }
 100
 101 # -------------------------------------------------------------------
 102 sub view_trigger {
 103     my $trigger = shift;
 104
 105     return {
 106         'order'               => scalar $trigger->order,
 107         'name'                => scalar $trigger->name,
 108         'perform_action_when' => scalar $trigger->perform_action_when,
 109         'database_event'      => scalar $trigger->database_event,
 110         'fields'              => scalar $trigger->fields,
 111         'on_table'            => scalar $trigger->on_table,
 112         'action'              => scalar $trigger->action,
 113     };
 114 }
 115
 116 # -------------------------------------------------------------------
 117 sub view_view {
 118     my $view = shift;
 119
 120     return {
 121         'order'  => scalar $view->order,
 122         'name'   => scalar $view->name,
 123         'sql'    => scalar $view->sql,
 124         'fields' => scalar $view->fields,
 125     };
 126 }
 127
 128 1;
 129
 130 =head1 NAME
 131
 132 SQL::Translator::Producer::YAML - A YAML producer for SQL::Translator
 133
 134 =head1 AUTHORS
 135
 136 darren chamberlain E<lt>darren@cpan.orgE<gt>,
 137 Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
 138
 139 =cut