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1 | use MooseX::Declare; |
2 | class SQL::Translator { |
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3 | use TryCatch; |
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4 | use MooseX::Types::Moose qw(Bool HashRef Int Str Undef); |
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5 | use SQL::Translator::Types qw(DBIHandle Parser Producer Schema); |
6 | use SQL::Translator::Object::Schema; |
7 | |
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8 | our $VERSION = '0.001'; |
9 | |
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10 | has 'parser' => ( |
11 | isa => Str, |
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12 | is => 'rw', |
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13 | init_arg => 'from', |
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14 | ); |
15 | |
16 | has 'producer' => ( |
17 | isa => Str, |
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18 | is => 'rw', |
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19 | init_arg => 'to', |
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20 | ); |
21 | |
22 | has '_parser' => ( |
23 | isa => Parser, |
24 | is => 'rw', |
25 | lazy_build => 1, |
26 | handles => [ qw(parse) ], |
27 | ); |
28 | |
29 | has '_producer' => ( |
30 | isa => Producer, |
31 | is => 'rw', |
32 | lazy_build => 1, |
33 | handles => [ qw(produce) ], |
34 | ); |
35 | |
36 | has 'dbh' => ( |
37 | isa => DBIHandle, |
38 | is => 'ro', |
39 | predicate => 'has_dbh', |
40 | ); |
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41 | |
42 | has 'schema' => ( |
43 | isa => Schema, |
44 | is => 'rw', |
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45 | lazy => 1, |
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46 | clearer => '_clear_schema', |
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47 | default => sub { SQL::Translator::Object::Schema->new }, |
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48 | ); |
49 | |
50 | has 'parser_args' => ( |
51 | isa => HashRef, |
52 | is => 'rw', |
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53 | predicate => 'has_parser_args', |
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54 | ); |
55 | |
56 | has 'producer_args' => ( |
57 | isa => HashRef, |
58 | is => 'rw', |
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59 | predicate => 'has_producer_args', |
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60 | ); |
61 | |
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62 | has 'add_drop_table' => (isa => Bool, is => 'rw', default => 0); |
63 | has 'no_comments' => (isa => Bool, is => 'rw', default => 0); |
64 | has 'show_warnings' => (isa => Bool, is => 'rw', default => 1); |
65 | has 'trace' => (isa => Bool, is => 'rw', default => 0); |
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66 | has 'quote_table_names' => (isa => Bool, is => 'rw', default => 0); |
67 | has 'quote_field_names' => (isa => Bool, is => 'rw', default => 0); |
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68 | has 'version' => (isa => Str, is => 'rw'); |
69 | has 'filename' => (isa => Str, is => 'rw'); |
70 | |
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71 | has '_producer_mapping' => ( |
72 | isa => HashRef, |
73 | is => 'ro', |
74 | default => sub { { MySQL => 'SQL::MySQL', SQLite => 'SQL::SQLite', PostgreSQL => 'SQL::PostgreSQL', XML => 'XML', YAML => 'YAML' } } |
75 | ); |
76 | |
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77 | method _build__parser { |
78 | my $class = 'SQL::Translator::Parser'; |
79 | |
80 | Class::MOP::load_class($class); |
81 | |
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82 | my $parser; |
83 | if ($self->has_dbh) { |
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84 | $parser = $class->new({ translator => $self, dbh => $self->dbh }); |
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85 | } else { |
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86 | $parser = $class->new({ translator => $self, type => $self->parser || '' }); |
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87 | } |
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88 | |
89 | return $parser; |
90 | } |
91 | |
92 | method _build__producer { |
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93 | my $mapping = $self->_producer_mapping; |
94 | |
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95 | my $class = 'SQL::Translator::Producer'; |
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96 | my $role = $class . '::' . $mapping->{$self->producer}; |
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97 | |
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98 | Class::MOP::load_class($class); |
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99 | Class::MOP::load_class($role); |
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100 | |
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101 | my $producer = $class->new({ translator => $self }); |
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102 | $role->meta->apply($producer); |
103 | |
104 | return $producer; |
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105 | } |
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106 | |
107 | method translate(:$data, :$producer?, :$producer_args?, :$parser?, :$parser_args?) { |
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108 | my $return; |
109 | |
110 | $parser ||= $self->parser; |
111 | if (defined $parser) { |
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112 | $self->_clear_parser; |
113 | $self->parser($parser); |
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114 | $self->parse($data); |
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115 | $return = $self->schema; |
116 | } |
117 | |
118 | $producer ||= $self->producer; |
119 | if (defined $producer) { |
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120 | $self->_clear_producer; |
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121 | $self->producer($producer); |
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122 | $return = $self->produce; |
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123 | } |
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124 | |
125 | return $return; |
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126 | } |
127 | |
128 | method parser_type { return $self->parser } |
129 | method producer_type { return $self->producer } |
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130 | |
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131 | method engine_version(Int|Str|Undef $v, Str $target = 'perl') { |
132 | return undef unless $v; |
133 | |
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134 | my @vers; |
135 | |
136 | # X.Y.Z style |
137 | if ( $v =~ / ^ (\d+) \. (\d{1,3}) (?: \. (\d{1,3}) )? $ /x ) { |
138 | push @vers, $1, $2, $3; |
139 | } |
140 | |
141 | # XYYZZ (mysql) style |
142 | elsif ( $v =~ / ^ (\d) (\d{2}) (\d{2}) $ /x ) { |
143 | push @vers, $1, $2, $3; |
144 | } |
145 | |
146 | # XX.YYYZZZ (perl) style or simply X |
147 | elsif ( $v =~ / ^ (\d+) (?: \. (\d{3}) (\d{3}) )? $ /x ) { |
148 | push @vers, $1, $2, $3; |
149 | } |
150 | else { |
151 | #how do I croak sanely here? |
152 | die "Unparseable MySQL version '$v'"; |
153 | } |
154 | |
155 | if ($target eq 'perl') { |
156 | return sprintf ('%d.%03d%03d', map { $_ || 0 } (@vers) ); |
157 | } |
158 | elsif ($target eq 'mysql') { |
159 | return sprintf ('%d%02d%02d', map { $_ || 0 } (@vers) ); |
160 | } |
161 | else { |
162 | #how do I croak sanely here? |
163 | die "Unknown version target '$target'"; |
164 | } |
165 | } |
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166 | } |