9 use Moose::Util::TypeConstraints;
10 use MooseX::Types -declare => [qw/NameSeparator/];
11 use MooseX::Types::Moose qw/ArrayRef Str Int HashRef/;
12 use MooseX::AttributeHelpers;
16 subtype NameSeparator,
18 #where { @$_ == 1 ||| @$_ == 2 },
19 #message { "Name separator must be one or two elements" };
21 coerce NameSeparator, from Str, via { [ $_ ] };
23 our $VERSION = '2.000000';
25 our $AST_VERSION = '1';
27 # Operator precedence for bracketing
38 # LIKE is always "field LIKE <value>"
40 '-not_like' => 'NOT LIKE',
43 has where_dispatch_table => (
52 metaclass => 'Collection::ImmutableHash',
54 exists => 'is_valid_binop',
55 get => 'binop_mapping',
56 keys => 'binary_operators'
60 sub _build_binop_map { return {%BINOP_MAP} };
62 method _build_where_dispatch_table {
63 my $binop = $self->can('_binop');
65 map { $_ => $binop } $self->binary_operators
75 has name_separator => (
78 default => sub { ['.'] },
83 has list_separator => (
93 clearer => '_clear_binds',
95 default => sub { [ ] },
96 metaclass => 'Collection::Array',
102 # TODO: once MXMS supports %args, use that here
103 method create(ClassName $class: Int $ver) {
104 croak "AST version $ver is greater than supported version of $AST_VERSION"
105 if $ver > $AST_VERSION;
107 my $name = "${class}::AST::v$ver";
108 Class::MOP::load_class($name);
110 return $name->new(ast_version => $ver);
114 method generate(ClassName $class: ArrayRef $ast) {
115 croak "SQL::Abstract AST version not specified"
116 unless ($ast->[0] eq '-ast_version');
118 my (undef, $ver) = splice(@$ast, 0, 2);
120 # TODO: once MXMS supports %args, use that here
121 my $self = $class->create($ver);
123 return ($self->dispatch($ast), $self->binds);
127 $self->_clear_binds();
130 method dispatch (ArrayRef $ast) {
132 local $_ = $ast->[0];
133 s/^-/_/ or croak "Unknown type tag '$_'";
135 my $meth = $self->can($_) || croak "Unknown tag '$_'";
136 return $meth->($self, $ast);