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1 | package SQL::Translator::Producer::HTML; |
2 | |
3 | # ------------------------------------------------------------------- |
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4 | # $Id: HTML.pm,v 1.11 2004-02-09 23:02:15 kycl4rk Exp $ |
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5 | # ------------------------------------------------------------------- |
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6 | # Copyright (C) 2002-4 SQLFairy Authors |
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7 | # |
8 | # This program is free software; you can redistribute it and/or |
9 | # modify it under the terms of the GNU General Public License as |
10 | # published by the Free Software Foundation; version 2. |
11 | # |
12 | # This program is distributed in the hope that it will be useful, but |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # General Public License for more details. |
16 | # |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software |
19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
20 | # 02111-1307 USA |
21 | # ------------------------------------------------------------------- |
22 | |
23 | use strict; |
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24 | use Data::Dumper; |
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25 | use vars qw($VERSION $NOWRAP $NOLINKTABLE $NAME); |
26 | |
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27 | $VERSION = sprintf "%d.%02d", q$Revision: 1.11 $ =~ /(\d+)\.(\d+)/; |
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28 | $NAME = join ', ', __PACKAGE__, $VERSION; |
29 | $NOWRAP = 0 unless defined $NOWRAP; |
30 | $NOLINKTABLE = 0 unless defined $NOLINKTABLE; |
31 | |
32 | # Emit XHTML by default |
33 | $CGI::XHTML = $CGI::XHTML = 42; |
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34 | |
35 | use SQL::Translator::Schema::Constants; |
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36 | |
37 | # ------------------------------------------------------------------- |
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38 | # Main entry point. Returns a string containing HTML. |
39 | # ------------------------------------------------------------------- |
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40 | sub produce { |
41 | my $t = shift; |
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42 | my $args = $t->producer_args; |
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43 | my $schema = $t->schema; |
44 | my $schema_name = $schema->name || 'Schema'; |
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45 | my $title = $args->{'title'} || "Description of $schema_name"; |
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46 | my $wrap = ! (defined $args->{'nowrap'} |
47 | ? $args->{'nowrap'} |
48 | : $NOWRAP); |
49 | my $linktable = ! (defined $args->{'nolinktable'} |
50 | ? $args->{'nolinktable'} |
51 | : $NOLINKTABLE); |
52 | my %stylesheet = defined $args->{'stylesheet'} |
53 | ? ( -style => { src => $args->{'stylesheet'} } ) |
54 | : ( ); |
55 | my @html; |
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56 | my $q = defined $args->{'pretty'} |
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57 | ? do { require CGI::Pretty; |
58 | import CGI::Pretty; |
59 | CGI::Pretty->new } |
60 | : do { require CGI; |
61 | import CGI; |
62 | CGI->new }; |
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63 | my ($table, @table_names); |
64 | |
65 | if ($wrap) { |
66 | push @html, |
67 | $q->start_html({ |
68 | -title => $title, |
69 | %stylesheet, |
70 | -meta => { generator => $NAME }, |
71 | }); |
72 | $q->h1({ -class => 'SchemaDescription' }, $title), |
73 | $q->a({ -name => 'top' }), |
74 | $q->hr; |
75 | } |
76 | |
77 | @table_names = grep { length $_->name } $schema->get_tables; |
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78 | |
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79 | if ($linktable) { |
80 | # Generate top menu, with links to full table information |
81 | my $count = scalar(@table_names); |
82 | $count = sprintf "%d table%s", $count, $count == 1 ? '' : 's'; |
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83 | |
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84 | # Leading table of links |
85 | push @html, |
86 | $q->comment("Table listing ($count)"), |
87 | $q->start_table({ -width => '100%', -class => 'LinkTable' }), |
88 | |
89 | # XXX This needs to be colspan="$#{$table->fields}" class="LinkTableHeader" |
90 | $q->Tr( |
91 | $q->td({ -class => 'LinkTableCell' }, |
92 | $q->h2({ -class => 'LinkTableTitle' }, |
93 | 'Tables' |
94 | ), |
95 | ), |
96 | ); |
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97 | |
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98 | for my $table (sort @table_names) { |
99 | my $table_name = $table->name; |
100 | push @html, |
101 | $q->comment("Start link to table '$table_name'"), |
102 | $q->Tr({ -class => 'LinkTableRow' }, |
103 | $q->td({ -class => 'LinkTableCell' }, |
104 | qq[<a id="${table_name}-link" href="#$table_name">$table_name</a>] |
105 | ) |
106 | ), |
107 | $q->comment("End link to table '$table_name'"); |
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108 | } |
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109 | push @html, $q->end_table; |
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110 | } |
111 | |
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112 | for my $table ($schema->get_tables) { |
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113 | my $table_name = $table->name or next; |
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114 | my @fields = $table->get_fields or next; |
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115 | push @html, |
116 | $q->comment("Starting table '$table_name'"); |
117 | $q->table({ -class => 'TableHeader', -width => '100%' }, |
118 | $q->Tr({ -class => 'TableHeaderRow' }, |
119 | $q->td({ -class => 'TableHeaderCell' }, $q->h3($table_name)), |
120 | qq[<a name="$table_name">], |
121 | $q->td({ -class => 'TableHeaderCell', -align => 'right' }, |
122 | qq[<a href="#top">Top</a>] |
123 | ) |
124 | ) |
125 | ); |
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126 | |
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127 | if ( my @comments = map { $_ ? $_ : () } $table->comments ) { |
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128 | push @html, |
129 | $q->b("Comments:"), |
130 | $q->br, |
131 | $q->em(map { $q->br, $_ } @comments); |
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132 | } |
133 | |
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134 | # |
135 | # Fields |
136 | # |
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137 | push @html, |
138 | $q->start_table, |
139 | $q->Tr( |
140 | $q->th({ -class => 'FieldHeader' }, |
141 | [ |
142 | 'Field Name', |
143 | 'Data Type', |
144 | 'Size', |
145 | 'Default Value', |
146 | 'Other', |
147 | 'Foreign Key' |
148 | ] |
149 | ) |
150 | ); |
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151 | |
152 | for my $field ( @fields ) { |
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153 | my $name = $field->name || ''; |
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154 | $name = qq[<a name="$table_name-$name">$name</a>]; |
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155 | my $data_type = $field->data_type || ''; |
156 | my $size = defined $field->size ? $field->size : ''; |
157 | my $default = defined $field->default_value |
158 | ? $field->default_value : ''; |
159 | my $comment = $field->comments || ''; |
160 | my $fk = ''; |
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161 | |
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162 | if ($field->is_foreign_key) { |
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163 | my $c = $field->foreign_key_reference; |
164 | my $ref_table = $c->reference_table || ''; |
165 | my $ref_field = ($c->reference_fields)[0] || ''; |
166 | $fk = |
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167 | qq[<a href="#$ref_table-$ref_field">$ref_table.$ref_field</a>]; |
168 | } |
169 | |
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170 | my @other = (); |
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171 | push @other, 'PRIMARY KEY' if $field->is_primary_key; |
172 | push @other, 'UNIQUE' if $field->is_unique; |
173 | push @other, 'NOT NULL' unless $field->is_nullable; |
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174 | push @other, $comment if $comment; |
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175 | push @html, |
176 | $q->Tr( |
177 | $q->td({ -class => "FieldCellName" }, $name), |
178 | $q->td({ -class => "FieldCellType" }, $data_type), |
179 | $q->td({ -class => "FieldCellSize" }, $size), |
180 | $q->td({ -class => "FieldCellDefault" }, $default), |
181 | $q->td({ -class => "FieldCellOther" }, join(', ', @other)), |
182 | $q->td({ -class => "FieldCellFK" }, $fk), |
183 | ); |
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184 | } |
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185 | push @html, $q->end_table; |
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186 | |
187 | # |
188 | # Indices |
189 | # |
190 | if ( my @indices = $table->get_indices ) { |
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191 | push @html, |
192 | $q->h3('Indices'), |
193 | $q->start_table({ -border => 1 }), |
194 | $q->Tr({ -class => 'IndexRow' }, |
195 | $q->th([ 'Name', 'Fields' ]) |
196 | ); |
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197 | |
198 | for my $index ( @indices ) { |
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199 | my $name = $index->name || ''; |
200 | my $fields = join( ', ', $index->fields ) || ''; |
201 | |
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202 | push @html, |
203 | $q->Tr({ -class => 'IndexCell' }, |
204 | $q->td( [ $name, $fields ] ) |
205 | ); |
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206 | } |
207 | |
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208 | push @html, $q->end_table; |
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209 | } |
210 | |
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211 | push @html, $q->hr; |
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212 | } |
213 | |
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214 | if ($wrap) { |
215 | push @html, |
216 | qq[Created by <a href="http://sqlfairy.sourceforge.net">], |
217 | qq[SQL::Translator</a>], |
218 | $q->end_html; |
219 | } |
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220 | |
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221 | |
222 | return join "\n", @html; |
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223 | } |
224 | |
225 | 1; |
226 | |
227 | # ------------------------------------------------------------------- |
228 | # Always be ready to speak your mind, |
229 | # and a base man will avoid you. |
230 | # William Blake |
231 | # ------------------------------------------------------------------- |
232 | |
233 | =head1 NAME |
234 | |
235 | SQL::Translator::Producer::HTML - HTML producer for SQL::Translator |
236 | |
237 | =head1 SYNOPSIS |
238 | |
239 | use SQL::Translator::Producer::HTML; |
240 | |
241 | =head1 DESCRIPTION |
242 | |
243 | Creates an HTML document describing the tables. |
244 | |
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245 | The HTML produced is composed of a number of tables: |
246 | |
247 | =over 4 |
248 | |
249 | =item Links |
250 | |
251 | A link table sits at the top of the output, and contains anchored |
252 | links to elements in the rest of the document. |
253 | |
254 | If the I<nolinktable> producer arg is present, then this table is not |
255 | produced. |
256 | |
257 | =item Tables |
258 | |
259 | Each table in the schema has its own HTML table. The top row is a row |
260 | of E<lt>thE<gt> elements, with a class of B<FieldHeader>; these |
261 | elements are I<Field Name>, I<Data Type>, I<Size>, I<Default Value>, |
262 | I<Other> and I<Foreign Key>. Each successive row describes one field |
263 | in the table, and has a class of B<FieldCell$item>, where $item id |
264 | corresponds to the label of the column. For example: |
265 | |
266 | <tr> |
267 | <td class="FieldCellName"><a name="random-id">id</a></td> |
268 | <td class="FieldCellType">int</td> |
269 | <td class="FieldCellSize">11</td> |
270 | <td class="FieldCellDefault"></td> |
271 | <td class="FieldCellOther">PRIMARY KEY, NOT NULL</td> |
272 | <td class="FieldCellFK"></td> |
273 | </tr> |
274 | |
275 | <tr> |
276 | <td class="FieldCellName"><a name="random-foo">foo</a></td> |
277 | <td class="FieldCellType">varchar</td> |
278 | <td class="FieldCellSize">255</td> |
279 | <td class="FieldCellDefault"></td> |
280 | <td class="FieldCellOther">NOT NULL</td> |
281 | <td class="FieldCellFK"></td> |
282 | </tr> |
283 | |
284 | <tr> |
285 | <td class="FieldCellName"><a name="random-updated">updated</a></td> |
286 | <td class="FieldCellType">timestamp</td> |
287 | <td class="FieldCellSize">0</td> |
288 | <td class="FieldCellDefault"></td> |
289 | <td class="FieldCellOther"></td> |
290 | <td class="FieldCellFK"></td> |
291 | </tr> |
292 | |
293 | =back |
294 | |
295 | Unless the I<nowrap> producer arg is present, the HTML will be |
296 | enclosed in a basic HTML header and footer. |
297 | |
298 | If the I<pretty> producer arg is present, the generated HTML will be |
299 | nicely spaced and human-readable. Otherwise, it will have very little |
300 | insignificant whitespace and be generally smaller. |
301 | |
302 | |
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303 | =head1 AUTHORS |
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304 | |
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305 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>, |
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306 | Darren Chamberlain E<lt>darren@cpan.orgE<gt>. |
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307 | |
308 | =cut |