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package DBIx::Romani::Query::XML::TTT; |
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use DBIx::Romani::Query::XML::Util; |
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use DBIx::Romani::Query::XML::Where; |
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use DBIx::Romani::Query::XML::SQL; |
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use DBIx::Romani::Query::SQL::TTT::Operator; |
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use DBIx::Romani::Query::SQL::TTT::Function; |
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use DBIx::Romani::Query::SQL::TTT::Keyword; |
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use DBIx::Romani::Query::SQL::TTT::Join; |
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use XML::DOM; |
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use strict; |
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use Data::Dumper; |
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# NOTE: Copied from DBIx::Romani::Query::Select!! |
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sub get_node_type |
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{ |
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my $ttt_node = shift; |
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my $type; |
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if ( $ttt_node->getAttributeNode( 'op' ) ) |
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{ |
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$type = 'op'; |
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} |
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if ( $ttt_node->getAttributeNode( 'func' ) ) |
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{ |
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if ( $type ) |
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{ |
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$type = 'invalid'; |
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} |
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else |
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{ |
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$type = 'func'; |
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} |
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} |
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if ( $ttt_node->getAttributeNode( 'keyword' ) ) |
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{ |
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if ( $type ) |
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{ |
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$type = 'invalid'; |
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} |
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else |
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{ |
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$type = 'keyword'; |
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} |
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} |
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if ( not defined $type ) |
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{ |
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$type = 'join'; |
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} |
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if ( $type eq 'invalid' ) |
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{ |
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die " can only contain one of the following attributes: op, func, keyword"; |
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} |
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return $type; |
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} |
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sub create_ttt_from_node |
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{ |
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my $ttt_node = shift; |
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my $type = get_node_type( $ttt_node ); |
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# first create ourselfs |
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my $ttt; |
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if ( $type eq 'op' ) |
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{ |
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$ttt = DBIx::Romani::Query::SQL::TTT::Operator->new( $ttt_node->getAttribute('op') ); |
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} |
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elsif ( $type eq 'func' ) |
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{ |
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$ttt = DBIx::Romani::Query::SQL::TTT::Function->new( $ttt_node->getAttribute('func') ); |
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} |
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elsif ( $type eq 'keyword' ) |
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{ |
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$ttt = DBIx::Romani::Query::SQL::TTT::Keyword->new( $ttt_node->getAttribute('keyword') ); |
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} |
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elsif ( $type eq 'join' ) |
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{ |
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$ttt = DBIx::Romani::Query::SQL::TTT::Join->new(); |
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} |
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# go through our children |
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my $node = $ttt_node->getFirstChild(); |
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while ( defined $node ) |
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{ |
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if ( $node->getNodeType() == XML::DOM::ELEMENT_NODE ) |
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{ |
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# now we recurse using the generic handler! |
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$ttt->add( DBIx::Romani::Query::XML::SQL::create_where_from_node($node) ); |
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} |
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$node = $node->getNextSibling(); |
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} |
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return $ttt; |
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} |
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1; |
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