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1 | package SQL::Translator::Producer::XML; |
2 | |
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3 | # ------------------------------------------------------------------- |
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4 | # $Id: XML.pm,v 1.4 2002-11-28 04:21:07 kycl4rk Exp $ |
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5 | # ------------------------------------------------------------------- |
6 | # Copyright (C) 2002 Ken Y. Clark <kclark@cpan.org>, |
7 | # darren chamberlain <darren@cpan.org> |
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8 | # |
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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 | =head1 NAME |
25 | |
26 | SQL::Translator::Producer::XML - XML output |
27 | |
28 | =head1 SYNOPSIS |
29 | |
30 | use SQL::Translator::Producer::XML; |
31 | |
32 | =head1 DESCRIPTION |
33 | |
34 | Meant to create some sort of usable XML output. |
35 | |
36 | =cut |
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37 | |
38 | use strict; |
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39 | use vars qw[ $VERSION $XML ]; |
40 | $VERSION = sprintf "%d.%02d", q$Revision: 1.4 $ =~ /(\d+)\.(\d+)/; |
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41 | |
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42 | # ------------------------------------------------------------------- |
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43 | sub produce { |
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44 | my ( $translator, $data ) = @_; |
45 | my $indent = 0; |
46 | aggregate( '<schema>', $indent ); |
47 | |
48 | $indent++; |
49 | for my $table ( |
50 | map { $_->[1] } |
51 | sort { $a->[0] <=> $b->[0] } |
52 | map { [ $_->{'order'}, $_ ] } |
53 | values %$data |
54 | ) { |
55 | aggregate( '<table>', $indent ); |
56 | $indent++; |
57 | |
58 | aggregate( "<name>$table->{'table_name'}</name>", $indent ); |
59 | aggregate( "<order>$table->{'order'}</order>", $indent ); |
60 | |
61 | # |
62 | # Fields |
63 | # |
64 | aggregate( '<fields>', $indent ); |
65 | for my $field ( |
66 | map { $_->[1] } |
67 | sort { $a->[0] <=> $b->[0] } |
68 | map { [ $_->{'order'}, $_ ] } |
69 | values %{ $table->{'fields'} } |
70 | ) { |
71 | aggregate( '<field>', ++$indent ); |
72 | $indent++; |
73 | |
74 | for my $key ( keys %$field ) { |
75 | my $val = defined $field->{ $key } ? $field->{ $key } : ''; |
76 | $val = ref $val eq 'ARRAY' ? join(',', @$val) : $val; |
77 | aggregate( "<$key>$val</$key>", $indent ); |
78 | } |
79 | |
80 | $indent--; |
81 | aggregate( "</field>", $indent-- ); |
82 | } |
83 | aggregate( "</fields>", $indent ); |
84 | |
85 | # |
86 | # Indices |
87 | # |
88 | aggregate( '<indices>', $indent ); |
89 | for my $index ( @{ $table->{'indices'} } ) { |
90 | aggregate( '<index>', ++$indent ); |
91 | $indent++; |
92 | |
93 | for my $key ( keys %$index ) { |
94 | my $val = defined $index->{ $key } ? $index->{ $key } : ''; |
95 | $val = ref $val eq 'ARRAY' ? join(',', @$val) : $val; |
96 | aggregate( "<$key>$val</$key>", $indent ); |
97 | } |
98 | |
99 | $indent--; |
100 | aggregate( "</index>", $indent-- ); |
101 | } |
102 | aggregate( "</indices>", $indent ); |
103 | |
104 | $indent--; |
105 | aggregate( "</table>", $indent ); |
106 | } |
107 | |
108 | $indent--; |
109 | aggregate( '</schema>', $indent ); |
110 | |
111 | return $XML; |
112 | } |
113 | |
114 | # ------------------------------------------------------------------- |
115 | sub aggregate { |
116 | my ( $text, $indent ) = @_; |
117 | $XML .= (' ' x $indent) . "$text\n"; |
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118 | } |
119 | |
120 | 1; |
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121 | |
122 | # ------------------------------------------------------------------- |
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123 | # The eyes of fire, the nostrils of air, |
124 | # The mouth of water, the beard of earth. |
125 | # William Blake |
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126 | # ------------------------------------------------------------------- |
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127 | |
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128 | =pod |
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129 | |
130 | =head1 AUTHOR |
131 | |
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132 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt> |
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133 | |
134 | =head1 SEE ALSO |
135 | |
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136 | XML::Dumper; |
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137 | |
138 | =cut |