1 |
wakaba |
1.1 |
Module: |
2 |
|
|
@QName: |
3 |
|
|
Util:ManakaiNode |
4 |
|
|
@FullName: |
5 |
|
|
@@lang: en |
6 |
|
|
@@@: |
7 |
|
|
Manakai Generic Node Implementation |
8 |
|
|
@Namespace: |
9 |
|
|
http://suika.fam.cx/~wakaba/archive/2005/manakai/Util/ManakaiNode# |
10 |
|
|
|
11 |
|
|
@Description: |
12 |
|
|
@@lang:en |
13 |
|
|
@@@: |
14 |
|
|
The <Module::Util:ManakaiNode> module provides a basic |
15 |
|
|
implementation for glaph (perhaps tree) structures. |
16 |
|
|
|
17 |
|
|
@Author: |
18 |
|
|
@@FullName: Wakaba |
19 |
|
|
@@Mail: w@suika.fam.cx |
20 |
|
|
@License: |
21 |
|
|
license:Perl+MPL |
22 |
|
|
@Date: |
23 |
|
|
@@@: |
24 |
|
|
$Date: 2005/02/16 04:25:00 $ |
25 |
|
|
@@ContentType: |
26 |
|
|
dis:Date.RCS |
27 |
|
|
|
28 |
|
|
@Require: |
29 |
|
|
@@Module: |
30 |
|
|
@@@Name: DISPerl |
31 |
|
|
@@@WithFor: |
32 |
|
|
ManakaiDOM:all |
33 |
|
|
# @@Module: |
34 |
|
|
# @@@Name: ManakaiNode |
35 |
|
|
# @@@WithFor: |
36 |
|
|
# ManakaiDOM:Perl |
37 |
|
|
|
38 |
|
|
Namespace: |
39 |
|
|
@dis: |
40 |
|
|
http://suika.fam.cx/~wakaba/archive/2004/8/18/lang#dis-- |
41 |
|
|
@dis2pm: |
42 |
|
|
http://suika.fam.cx/~wakaba/archive/2004/11/8/dis2pm# |
43 |
|
|
@lang: |
44 |
|
|
http://suika.fam.cx/~wakaba/archive/2004/8/18/lang# |
45 |
|
|
@license: |
46 |
|
|
http://suika.fam.cx/~wakaba/archive/2004/8/18/license# |
47 |
|
|
@ManakaiDOM: |
48 |
|
|
http://suika.fam.cx/~wakaba/archive/2004/8/18/manakai-dom# |
49 |
|
|
@owl: |
50 |
|
|
http://www.w3.org/2002/07/owl# |
51 |
|
|
@Perl: |
52 |
|
|
http://suika.fam.cx/~wakaba/archive/2004/8/18/lang#Perl-- |
53 |
|
|
@rdf: |
54 |
|
|
http://www.w3.org/1999/02/22-rdf-syntax-ns# |
55 |
|
|
@rdfs: |
56 |
|
|
http://www.w3.org/2000/01/rdf-schema# |
57 |
|
|
@TreeCore:\ |
58 |
|
|
@Util: |
59 |
|
|
http://suika.fam.cx/~wakaba/archive/2005/manakai/Util/ |
60 |
|
|
|
61 |
|
|
ResourceDef: |
62 |
|
|
@QName: |
63 |
|
|
Util: |
64 |
|
|
@rdf:type: |
65 |
|
|
dis:ModuleGroup |
66 |
|
|
@FullName: |
67 |
|
|
@@lang:en |
68 |
|
|
@@@: |
69 |
|
|
The manakai support modules |
70 |
|
|
@AppName: |
71 |
|
|
Message::Util:: |
72 |
|
|
|
73 |
|
|
## -- Internal node object |
74 |
|
|
|
75 |
|
|
ClassDef: |
76 |
|
|
@QName: |
77 |
|
|
ManakaiDOM:ManakaiDOMNodeObject |
78 |
|
|
@Description: |
79 |
|
|
@@lang:en |
80 |
|
|
@@@: |
81 |
|
|
Internal (actual) node objects that is accessed via |
82 |
|
|
<Class::ManakaiDOM:ManakaiDOMNodeReference> objects referring it. |
83 |
|
|
@ImplNote: |
84 |
|
|
@@lang:en |
85 |
|
|
@@@: |
86 |
|
|
No public interface should be defined for any class inheriting |
87 |
|
|
this class - applications should access to nodes only via |
88 |
|
|
<Class::ManakaiDOM:ManakaiDOMNodeReference> objects. |
89 |
|
|
@ImplNote: |
90 |
|
|
@@lang:en |
91 |
|
|
@@@: |
92 |
|
|
A <Class::ManakaiDOM:ManakaiDOMNodeObject> is a blessed hash |
93 |
|
|
reference. Each hash key and value pair is called as a |
94 |
|
|
<DFN::property>. Currently, several core properties |
95 |
|
|
are defined as listed below. Applications for this class, |
96 |
|
|
including <Class::DOMCore:ManakaiDOMNode>, defines additional |
97 |
|
|
properties for their purpose and scope. |
98 |
|
|
\ |
99 |
|
|
{FIG:: Core node properties |
100 |
|
|
\ |
101 |
|
|
- <CODE::TreeCore:nodeID>::: The global-unique identifier for |
102 |
|
|
this node object. |
103 |
|
|
\ |
104 |
|
|
- <CODE::TreeCore:treeID>::: The global-unique identifier for the |
105 |
|
|
tree containing this node object. |
106 |
|
|
\ |
107 |
|
|
- <CODE::TreeCore:rc>::: The number that denotes how many reference |
108 |
|
|
to this node there are. |
109 |
|
|
\ |
110 |
|
|
- <CODE::TreeCore:origin>::: An array reference, containing |
111 |
|
|
hash key names of <DFN::origin> |
112 |
|
|
properties for this node. |
113 |
|
|
\ |
114 |
|
|
- <CODE::TreeCore:subnode>::: An array reference, containing |
115 |
|
|
hash key names of <DFN::subnode> |
116 |
|
|
properties for this node. |
117 |
|
|
\ |
118 |
|
|
- <CODE::TreeCore:subnode2>::: An array reference, containing |
119 |
|
|
hash key names of <DFN::subnode> (two steps) |
120 |
|
|
properties for this node. |
121 |
|
|
\ |
122 |
|
|
- <CODE::TreeCore:irefnode>::: An array reference, containing |
123 |
|
|
hash key names of <DFN::irefnode> |
124 |
|
|
properties for this node. |
125 |
|
|
\ |
126 |
|
|
- <CODE::TreeCore:anydata>::: An array reference, containing |
127 |
|
|
hash key names of <DFN::anydata> properties for this node. |
128 |
|
|
\ |
129 |
|
|
- <CODE::TreeCore:anydata2>::: An array reference, containing |
130 |
|
|
hash key names of <DFN::anydata> (two steps) properties |
131 |
|
|
for this node. |
132 |
|
|
\ |
133 |
|
|
} |
134 |
|
|
|
135 |
|
|
@IntMethod: |
136 |
|
|
@@Name: new |
137 |
|
|
@@Description: |
138 |
|
|
@@@lang:en |
139 |
|
|
@@@@: |
140 |
|
|
Constructs a new instance of |
141 |
|
|
<Class::ManakaiDOM:ManakaiDOMNodeObject> and returns it. |
142 |
|
|
@@Return: |
143 |
|
|
@@@Type: |
144 |
|
|
ManakaiDOM:ManakaiDOMNodeObject |
145 |
|
|
@@@Description: |
146 |
|
|
@@@@lang:en |
147 |
|
|
@@@@@: |
148 |
|
|
The newly created <Class::ManakaiDOM:ManakaiDOMNodeObject> instance. |
149 |
|
|
@@@PerlDef: |
150 |
|
|
$r = bless { |
151 |
|
|
<Q::TreeCore:origin> => [], |
152 |
|
|
<Q::TreeCore:subnode> => [], |
153 |
|
|
<Q::TreeCore:subnode2> => [], |
154 |
|
|
<Q::TreeCore:irefnode> => [], |
155 |
|
|
<Q::TreeCore:anydata> => [], |
156 |
|
|
<Q::TreeCore:anydata2> => [], |
157 |
|
|
<Q::TreeCore:rc> => 0, |
158 |
|
|
<Q::TreeCore:treeID> => <Code::ManakaiDOM:generateUniqueID>, |
159 |
|
|
<Q::TreeCore:nodeID> => <Code::ManakaiDOM:generateUniqueID>, |
160 |
|
|
}, ref $self || $self; |
161 |
|
|
@IntMethod: |
162 |
|
|
@@Name: newReference |
163 |
|
|
@@Description: |
164 |
|
|
@@@lang:en |
165 |
|
|
@@@@: |
166 |
|
|
Creates a new reference to this node and returns it. |
167 |
|
|
@@Param: |
168 |
|
|
@@@Name: class |
169 |
|
|
@@@Type: |
170 |
|
|
Perl:package-name |
171 |
|
|
@@@Description: |
172 |
|
|
@@@@lang:en |
173 |
|
|
@@@@@: |
174 |
|
|
A Perl class package name with which the newly created |
175 |
|
|
reference is blessed. The <P::class> class must be a |
176 |
|
|
subclass of <Class::ManakaiDOM:ManakaiDOM:ManakaiDOMNodeReference>. |
177 |
|
|
@@Return: |
178 |
|
|
@@@Type: |
179 |
|
|
ManakaiDOM:ManakaiDOMNodeReference |
180 |
|
|
@@@Description: |
181 |
|
|
@@@@lang:en |
182 |
|
|
@@@@@: |
183 |
|
|
The newly created node reference. |
184 |
|
|
@@@PerlDef: |
185 |
|
|
$r = bless { |
186 |
|
|
<Q::TreeCore:node> => $self, |
187 |
|
|
}, ref $class ? ref $class : $class ? $class : |
188 |
|
|
<ClassName::ManakaiDOM:ManakaiDOMNodeReference>; |
189 |
|
|
$self->{<Q::TreeCore:rc>}++; |
190 |
|
|
@IntMethod: |
191 |
|
|
@@Name: isExternallyReferred |
192 |
|
|
@@Description: |
193 |
|
|
@@@lang:en |
194 |
|
|
@@@@: |
195 |
|
|
Checks whether the tree containing this node has been referred |
196 |
|
|
from the outside of the tree or not. |
197 |
|
|
@@Return: |
198 |
|
|
@@@Type: |
199 |
|
|
DISPerl:Boolean |
200 |
|
|
@@@InCase: |
201 |
|
|
@@@@Value: true |
202 |
|
|
@@@@Type: |
203 |
|
|
DISPerl:Boolean |
204 |
|
|
@@@@Description: |
205 |
|
|
@@@@@lang:en |
206 |
|
|
@@@@@@: |
207 |
|
|
There is one or more nodes in the tree that has been |
208 |
|
|
referred via <Class::ManakaiDOM:ManakaiDOMNodeReference> objects. |
209 |
|
|
@@@InCase: |
210 |
|
|
@@@@Value: false |
211 |
|
|
@@@@Type: |
212 |
|
|
DISPerl:Boolean |
213 |
|
|
@@@@Description: |
214 |
|
|
@@@@@lang:en |
215 |
|
|
@@@@@@: No external reference found. |
216 |
|
|
@@@PerlDef: |
217 |
|
|
if ($self->{<Q::TreeCore:rc>}) { |
218 |
|
|
$r = true; |
219 |
|
|
} else { |
220 |
|
|
my @node = ($self); |
221 |
|
|
my %checked; |
222 |
|
|
NODES: while (my $node = shift @node) { |
223 |
|
|
if ($node->{<Q::TreeCore:rc>}) { |
224 |
|
|
$r = true; |
225 |
|
|
last NODES; |
226 |
|
|
} elsif ($checked{$node->{<Q::TreeCore:nodeID>}}) { |
227 |
|
|
next NODES; |
228 |
|
|
} |
229 |
|
|
my @n; |
230 |
|
|
for (@{$node->{<Q::TreeCore:subnode2>}}) { |
231 |
|
|
if (ref $node->{$_} eq 'ARRAY') { |
232 |
|
|
push @n, @{$node->{$_}}; |
233 |
|
|
} elsif (ref $node->{$_} eq 'HASH') { |
234 |
|
|
push @n, values %{$node->{$_}}; |
235 |
|
|
} |
236 |
|
|
} |
237 |
|
|
for (@n, map {$node->{$_}} @{$node->{<Q::TreeCore:subnode>}}) { |
238 |
|
|
if (ref $_ eq 'ARRAY') { |
239 |
|
|
push @node, @$_; |
240 |
|
|
} elsif (ref $_ eq 'HASH') { |
241 |
|
|
push @node, values %$_; |
242 |
|
|
} |
243 |
|
|
} |
244 |
|
|
for (@{$node->{<Q::TreeCore:origin>}}) { |
245 |
|
|
push @node, $node->{$_} if $node->{$_}; |
246 |
|
|
} |
247 |
|
|
$checked{$node->{<Q::TreeCore:nodeID>}} = 1; |
248 |
|
|
} |
249 |
|
|
} |
250 |
|
|
|
251 |
|
|
@IntMethod: |
252 |
|
|
@@Name: destroy |
253 |
|
|
@@Description: |
254 |
|
|
@@@lang:en |
255 |
|
|
@@@@: |
256 |
|
|
Destructs the tree containing this node. |
257 |
|
|
@@Return: |
258 |
|
|
@@@PerlDef: |
259 |
|
|
my @node = ($self); |
260 |
|
|
NODES: while (my $node = shift @node) { |
261 |
|
|
my @n; |
262 |
|
|
for (@{$node->{<Q::TreeCore:subnode2>}}) { |
263 |
|
|
if (ref $node->{$_} eq 'ARRAY') { |
264 |
|
|
push @n, @{$node->{$_}}; |
265 |
|
|
} elsif (ref $node->{$_} eq 'HASH') { |
266 |
|
|
push @n, values %{$node->{$_}}; |
267 |
|
|
} |
268 |
|
|
} |
269 |
|
|
for (@n, map {$node->{$_}} @{$node->{<Q::TreeCore:subnode>}}) { |
270 |
|
|
if (ref $_ eq 'ARRAY') { |
271 |
|
|
push @node, grep {defined $_->{<Q::TreeCore:nodeID>}} @$_; |
272 |
|
|
} elsif (ref $_ eq 'HASH') { |
273 |
|
|
push @node, grep {defined $_->{<Q::TreeCore:nodeID>}} |
274 |
|
|
values %$_; |
275 |
|
|
} |
276 |
|
|
} |
277 |
|
|
for (@{$node->{<Q::TreeCore:origin>}}) { |
278 |
|
|
push @node, $node->{$_} |
279 |
|
|
if defined $node->{$_} and |
280 |
|
|
defined $node->{$_}->{<Q::TreeCore:nodeID>}; |
281 |
|
|
} |
282 |
|
|
%$node = (); |
283 |
|
|
} |
284 |
|
|
@@ImplNote: |
285 |
|
|
@@@lang:en |
286 |
|
|
@@@@: |
287 |
|
|
This method is different from Perl <Perl::DESTROY> special |
288 |
|
|
purpose method. |
289 |
|
|
\ |
290 |
|
|
An <QUOTE::uninitialized> warning in this method might mean |
291 |
|
|
some method puts an <Perl::undef> into a list of nodes. |
292 |
|
|
|
293 |
|
|
@IntMethod: |
294 |
|
|
@@Name: importTree |
295 |
|
|
@@Description: |
296 |
|
|
@@@lang:en |
297 |
|
|
@@@@: |
298 |
|
|
Changes the tree identifier of the nodes belong to another tree |
299 |
|
|
to be same as this node's tree identifier. |
300 |
|
|
@@Param: |
301 |
|
|
@@@Name: node |
302 |
|
|
@@@Type: |
303 |
|
|
ManakaiDOM:ManakaiDOMNodeObject |
304 |
|
|
@@@Description: |
305 |
|
|
@@@@lang:en |
306 |
|
|
@@@@@: |
307 |
|
|
Any node from the tree to change its identifier. |
308 |
|
|
@@Return: |
309 |
|
|
@@@PerlDef: |
310 |
|
|
unless ($node->{<Q::TreeCore:treeID>} eq |
311 |
|
|
$self->{<Q::TreeCore:treeID>}) { |
312 |
|
|
my @node = ($node); |
313 |
|
|
NODES: while (my $node = shift @node) { |
314 |
|
|
my @n; |
315 |
|
|
for (@{$node->{<Q::TreeCore:subnode2>}}) { |
316 |
|
|
if (ref $node->{$_} eq 'ARRAY') { |
317 |
|
|
push @n, @{$node->{$_}}; |
318 |
|
|
} elsif (ref $node->{$_} eq 'HASH') { |
319 |
|
|
push @n, values %{$node->{$_}}; |
320 |
|
|
} |
321 |
|
|
} |
322 |
|
|
for (@n, map {$node->{$_}} @{$node->{<Q::TreeCore:subnode>}}) { |
323 |
|
|
if (ref $_ eq 'ARRAY') { |
324 |
|
|
push @node, grep {$_->{<Q::TreeCore:treeID>} ne |
325 |
|
|
$self->{<Q::TreeCore:treeID>}} @$_; |
326 |
|
|
} elsif (ref $_ eq 'HASH') { |
327 |
|
|
push @node, grep {$_->{<Q::TreeCore:treeID>} ne |
328 |
|
|
$self->{<Q::TreeCore:treeID>}} |
329 |
|
|
values %$_; |
330 |
|
|
} |
331 |
|
|
} |
332 |
|
|
for (@{$node->{<Q::TreeCore:origin>}}) { |
333 |
|
|
push @node, $node->{$_} |
334 |
|
|
if defined $node->{$_} and |
335 |
|
|
$node->{$_}->{<Q::TreeCore:treeID>} ne |
336 |
|
|
$self->{<Q::TreeCore:treeID>}; |
337 |
|
|
} |
338 |
|
|
$node->{<Q::TreeCore:treeID>} = $self->{<Q::TreeCore:treeID>}; |
339 |
|
|
} |
340 |
|
|
} |
341 |
|
|
|
342 |
|
|
@IntMethod: |
343 |
|
|
@@Name: changeTreeID |
344 |
|
|
@@Description: |
345 |
|
|
@@@lang:en |
346 |
|
|
@@@@: |
347 |
|
|
Changes tree identifier of all nodes traversable from this node. |
348 |
|
|
@@Param: |
349 |
|
|
@@@Name: treeID |
350 |
|
|
@@@Type: |
351 |
|
|
DISPerl:String |
352 |
|
|
@@@Description: |
353 |
|
|
@@@@lang:en |
354 |
|
|
@@@@@: |
355 |
|
|
The new tree identifier. |
356 |
|
|
@@Return: |
357 |
|
|
@@@PerlDef: |
358 |
|
|
unless ($self->{<Q::TreeCore:treeID>} eq $treeID) { |
359 |
|
|
my @node = ($self); |
360 |
|
|
NODES: while (my $node = shift @node) { |
361 |
|
|
my @n; |
362 |
|
|
for (@{$node->{<Q::TreeCore:subnode2>}}) { |
363 |
|
|
if (ref $node->{$_} eq 'ARRAY') { |
364 |
|
|
push @n, @{$node->{$_}}; |
365 |
|
|
} elsif (ref $node->{$_} eq 'HASH') { |
366 |
|
|
push @n, values %{$node->{$_}}; |
367 |
|
|
} |
368 |
|
|
} |
369 |
|
|
for (@n, map {$node->{$_}} @{$node->{<Q::TreeCore:subnode>}}) { |
370 |
|
|
if (ref $_ eq 'ARRAY') { |
371 |
|
|
push @node, grep {$_->{<Q::TreeCore:treeID>} ne $treeID} @$_; |
372 |
|
|
} elsif (ref $_ eq 'HASH') { |
373 |
|
|
push @node, grep {$_->{<Q::TreeCore:treeID>} ne $treeID} |
374 |
|
|
values %$_; |
375 |
|
|
} |
376 |
|
|
} |
377 |
|
|
for (@{$node->{<Q::TreeCore:origin>}}) { |
378 |
|
|
push @node, $node->{$_} |
379 |
|
|
if defined $node->{$_} and |
380 |
|
|
$node->{$_}->{<Q::TreeCore:treeID>} ne $treeID; |
381 |
|
|
} |
382 |
|
|
$node->{<Q::TreeCore:treeID>} = $treeID; |
383 |
|
|
} |
384 |
|
|
} |
385 |
|
|
|
386 |
|
|
@IntMethod: |
387 |
|
|
@@Name: getRootNodes |
388 |
|
|
@@Description: |
389 |
|
|
@@@lang:en |
390 |
|
|
@@@@: |
391 |
|
|
Gets root nodes in the tree to which this node belongs, |
392 |
|
|
at <QUOTE::higher> level than this node. |
393 |
|
|
\ |
394 |
|
|
{NOTE:: The manakai internal tree structure may have more than |
395 |
|
|
one tree root node - it is a set of tree sharing their |
396 |
|
|
nodes rather than a single tree. In this method |
397 |
|
|
<DFN::root nodes> is defined as the nodes that |
398 |
|
|
have no their <QUOTE::origin> node. There is at least |
399 |
|
|
one such node by definition of the manakai tree structure. |
400 |
|
|
<QUOTE::Higher> in this context means that the node is reachable |
401 |
|
|
by only traversing <QUOTE::origin> relationships from this node. |
402 |
|
|
\ |
403 |
|
|
} |
404 |
|
|
@@Return: |
405 |
|
|
@@@Type: |
406 |
|
|
Perl:ARRAY |
407 |
|
|
@@@PerlDef: |
408 |
|
|
my %result; |
409 |
|
|
my @node = ($self); |
410 |
|
|
NODES: while (my $node = shift @node) { |
411 |
|
|
my $i = 0; |
412 |
|
|
ORIGINS: for (@{$node->{<Q::TreeCore:origin>}}) { |
413 |
|
|
next ORIGINS unless $node->{$_}; |
414 |
|
|
$i++; |
415 |
|
|
push @node, $node->{$_}; |
416 |
|
|
} |
417 |
|
|
if ($i == 0) { |
418 |
|
|
$result{$node->{<Q::TreeCore:nodeID>}} = $node; |
419 |
|
|
} |
420 |
|
|
} |
421 |
|
|
\ @$r = (grep {defined $_->{<Q::TreeCore:nodeID>}} values %result); |
422 |
|
|
|
423 |
|
|
@IntMethod: |
424 |
|
|
@@Name: isSameNode |
425 |
|
|
@@Description: |
426 |
|
|
@@@lang:en |
427 |
|
|
@@@@: |
428 |
|
|
Returns whether a node is the same as this node or not. |
429 |
|
|
\ |
430 |
|
|
{NOTE:: The sameness is different from the equality; |
431 |
|
|
two nodes are same iff they are same hash reference. |
432 |
|
|
\ |
433 |
|
|
} |
434 |
|
|
@@Operator: |
435 |
|
|
@@@ContentType: |
436 |
|
|
lang:Perl |
437 |
|
|
@@@@: eq |
438 |
|
|
@@Param: |
439 |
|
|
@@@Name: node |
440 |
|
|
@@@Type: |
441 |
|
|
ManakaiDOM:ManakaiDOMNodeObject |
442 |
|
|
@@@Description: |
443 |
|
|
@@@@lang:en |
444 |
|
|
@@@@@: |
445 |
|
|
A node to compare with. |
446 |
|
|
@@Return: |
447 |
|
|
@@@Type: |
448 |
|
|
DISPerl:Boolean |
449 |
|
|
@@@Description: |
450 |
|
|
@@@@lang:en |
451 |
|
|
@@@@@: Whether the two nodes are same or not. |
452 |
|
|
@@@PerlDef: |
453 |
|
|
if (ref $node and |
454 |
|
|
UNIVERSAL::isa ($node, |
455 |
|
|
<ClassName::ManakaiDOM:ManakaiDOMNodeObject>) and |
456 |
|
|
$node->{<Q::TreeCore:nodeID>} eq $self->{<Q::TreeCore:nodeID>}) { |
457 |
|
|
$r = true; |
458 |
|
|
} |
459 |
|
|
@IntMethod: |
460 |
|
|
@@Name: orphanate |
461 |
|
|
@@Description: |
462 |
|
|
@@@lang:en |
463 |
|
|
@@@@: |
464 |
|
|
Notifies that this node (and its neibors if any) is no longer |
465 |
|
|
part of the main tree. If the new tree containing this node |
466 |
|
|
has been referred yet, then the tree is preserved except its |
467 |
|
|
tree identifier has changed. Otherwise, i.e. the tree is |
468 |
|
|
useless any more, then it is destructed. |
469 |
|
|
\ |
470 |
|
|
{NOTE:: Interaction on deleting a relationship from multiply |
471 |
|
|
organized <QUOTE::trees> (such as DOM tree and |
472 |
|
|
styled displaying tree) is less studied. This |
473 |
|
|
method might be modified or addition of another method(s) |
474 |
|
|
might be required when style sheet, XBL, or other |
475 |
|
|
technologies has been implemented. |
476 |
|
|
\ |
477 |
|
|
} |
478 |
|
|
@@Return: |
479 |
|
|
@@@PerlDef: |
480 |
|
|
if ($self-><M::ManakaiDOM:ManakaiDOMNodeObject.isExternallyReferred>) { |
481 |
|
|
$self-><M::ManakaiDOM:ManakaiDOMNodeObject.changeTreeID> |
482 |
|
|
(<Code::ManakaiDOM:generateUniqueID>); |
483 |
|
|
} else { |
484 |
|
|
$self-><M::ManakaiDOM:ManakaiDOMNodeObject.destroy>; |
485 |
|
|
} |
486 |
|
|
##Class:ManakaiDOMNodeObject |
487 |
|
|
|
488 |
|
|
## -- Public node object |
489 |
|
|
|
490 |
|
|
ClassDef: |
491 |
|
|
@QName: |
492 |
|
|
ManakaiDOM:ManakaiDOMNodeReference |
493 |
|
|
@Description: |
494 |
|
|
@@lang:en |
495 |
|
|
@@@: |
496 |
|
|
References to the node object corresponding to it. From |
497 |
|
|
applications' view, any node object is hidden and |
498 |
|
|
<Class::ManakaiDOM:ManakaiDOMNodeReference> seems as if |
499 |
|
|
the node itself. |
500 |
|
|
@ImplNote: |
501 |
|
|
@@lang:en |
502 |
|
|
@@@: |
503 |
|
|
A <Class::ManakaiDOM:ManakaiDOMNodeReference> is a blessed hash |
504 |
|
|
reference; currently there is a hash key defined: |
505 |
|
|
\ |
506 |
|
|
- <CODE::TreeCore:node>::: A node object |
507 |
|
|
(<Class::ManakaiDOM:ManakaiDOMNodeObject>) to which |
508 |
|
|
this is referring. |
509 |
|
|
|
510 |
|
|
@IntMethod: |
511 |
|
|
@@Name: destroy |
512 |
|
|
@@Description: |
513 |
|
|
@@@lang:en |
514 |
|
|
@@@@: Destroy this reference object. |
515 |
|
|
@@Operator: |
516 |
|
|
@@@ContentType: |
517 |
|
|
lang:Perl |
518 |
|
|
@@@@: DESTROY |
519 |
|
|
@@Return: |
520 |
|
|
@@@PerlDef: |
521 |
|
|
@@@@@: |
522 |
|
|
my $node = $self->{<Q::TreeCore:node>}; |
523 |
|
|
if ($node) { |
524 |
|
|
CORE::delete $self->{<Q::TreeCore:node>}; |
525 |
|
|
$node->{<Q::TreeCore:rc>}--; |
526 |
|
|
unless ($node-><M::ManakaiDOM:ManakaiDOMNodeObject |
527 |
|
|
.isExternallyReferred>) { |
528 |
|
|
$node-><M::ManakaiDOM:ManakaiDOMNodeObject.destroy>; |
529 |
|
|
} |
530 |
|
|
} else { |
531 |
|
|
warn ref ($self) . q{->DESTROY: there is no associated }. |
532 |
|
|
q{node object - you have a global variable or }. |
533 |
|
|
qq{potential memory-leak detected\n}; |
534 |
|
|
} |
535 |
|
|
@@@@ImplNote: |
536 |
|
|
@@@@@lang:en |
537 |
|
|
@@@@@@: |
538 |
|
|
{P::Warning during the global destruction might mean: |
539 |
|
|
\ |
540 |
|
|
- there be a loop in the manakai internal implementation - |
541 |
|
|
it should be a bug. |
542 |
|
|
\ |
543 |
|
|
- there be a loop created by application, e.g. |
544 |
|
|
event handler containing a reference to any node |
545 |
|
|
belonging to the same tree. |
546 |
|
|
\ |
547 |
|
|
- there be a global variable that contains a node reference |
548 |
|
|
and it is not altered or <Perl::undef>ed until the global |
549 |
|
|
destruction. |
550 |
|
|
\ |
551 |
|
|
- or other unknown bad situation. |
552 |
|
|
\ |
553 |
|
|
} |
554 |
|
|
@@ImplNote: |
555 |
|
|
@@@lang:en |
556 |
|
|
@@@@: |
557 |
|
|
Don't override this method unintentionally - for example, |
558 |
|
|
inheritting <PerlModule::Tie::Array> would hide this method |
559 |
|
|
from that class, since that module defines its own |
560 |
|
|
destructor. |
561 |
|
|
##Class:ManakaiDOMNodeReference |
562 |
|
|
|
563 |
|
|
## -- Frequently used code fragments |
564 |
|
|
|
565 |
|
|
ResourceDef: |
566 |
|
|
@QName: |
567 |
|
|
ManakaiDOM:generateUniqueID |
568 |
|
|
@rdf:type: |
569 |
|
|
dis2pm:InlineCode |
570 |
|
|
@Description: |
571 |
|
|
@@lang:en |
572 |
|
|
@@@: |
573 |
|
|
Generates a global-unique opaque string. |
574 |
|
|
\ |
575 |
|
|
{NOTE:: A URI reference is generated by this code. |
576 |
|
|
\ |
577 |
|
|
} |
578 |
|
|
@AliasFor: |
579 |
|
|
@@@: |
580 |
|
|
::ManakaiDOM:all |
581 |
|
|
@@For: |
582 |
|
|
!=ManakaiDOM:all |
583 |
|
|
@PerlDef: |
584 |
|
|
( |
585 |
|
|
sprintf 'mid:%d.%d.%s.dom.manakai@suika.fam.cx#', |
586 |
|
|
time, $$, |
587 |
|
|
['A'..'Z', 'a'..'z', '0'..'9']->[rand 62] . |
588 |
|
|
['A'..'Z', 'a'..'z', '0'..'9']->[rand 62] . |
589 |
|
|
['A'..'Z', 'a'..'z', '0'..'9']->[rand 62] . |
590 |
|
|
['A'..'Z', 'a'..'z', '0'..'9']->[rand 62] . |
591 |
|
|
['A'..'Z', 'a'..'z', '0'..'9']->[rand 62] |
592 |
|
|
) |
593 |
|
|
##ManakaiDOM:generateUniqueID |
594 |
|
|
|
595 |
|
|
## -- lang:dis vocabulary |
596 |
|
|
|
597 |
|
|
TreeElementType: |
598 |
|
|
@QName: |
599 |
|
|
dis:GetProp |
600 |
|
|
@dataType: |
601 |
|
|
dis:TypeQName |
602 |
|
|
@rdfs:range: |
603 |
|
|
rdf:Property |
604 |
|
|
@Description: |
605 |
|
|
@@lang:en |
606 |
|
|
@@@: |
607 |
|
|
Gets the non-nodal value of a <Class::ManakaiDOM:ManakaiDOMNodeReference> |
608 |
|
|
property (actualy <Class::ManakaiDOM:ManakaiDOMNodeObject> property). |
609 |
|
|
|
610 |
|
|
TreeElementType: |
611 |
|
|
@QName: |
612 |
|
|
dis:SetProp |
613 |
|
|
@dataType: |
614 |
|
|
dis:TypeQName |
615 |
|
|
@rdfs:range: |
616 |
|
|
rdf:Property |
617 |
|
|
@Description: |
618 |
|
|
@@lang:en |
619 |
|
|
@@@: |
620 |
|
|
Sets the non-nodal value of a <Class::ManakaiDOM:ManakaiDOMNodeReference> |
621 |
|
|
property (actualy <Class::ManakaiDOM:ManakaiDOMNodeObject> property). |
622 |
|
|
|
623 |
|
|
## -- Syntax sugar |
624 |
|
|
|
625 |
|
|
ElementTypeBinding: |
626 |
|
|
@Name: TreeElementType |
627 |
|
|
@ElementType: |
628 |
|
|
dis:ResourceDef |
629 |
|
|
@ShadowContent: |
630 |
|
|
@@rdf:type: |
631 |
|
|
DISLang:TreeElementType |
632 |
|
|
@@AliasFor: |
633 |
|
|
@@@@: |
634 |
|
|
::ManakaiDOM:all |
635 |
|
|
@@@For: |
636 |
|
|
!=ManakaiDOM:all |
637 |
|
|
|
638 |
|
|
ElementTypeBinding: |
639 |
|
|
@Name: ClassDef |
640 |
|
|
@ElementType: |
641 |
|
|
dis:ResourceDef |
642 |
|
|
@ShadowContent: |
643 |
|
|
@@rdf:type: |
644 |
|
|
ManakaiDOM:Class |
645 |
|
|
@@AliasFor: |
646 |
|
|
@@@@: |
647 |
|
|
::ManakaiDOM:all |
648 |
|
|
@@@For: |
649 |
|
|
!=ManakaiDOM:all |
650 |
|
|
|
651 |
|
|
ElementTypeBinding: |
652 |
|
|
@Name: IntMethod |
653 |
|
|
@ElementType: |
654 |
|
|
dis:ResourceDef |
655 |
|
|
@ShadowContent: |
656 |
|
|
@@rdf:type: |
657 |
|
|
DISLang:Method |
658 |
|
|
@@ManakaiDOM:isForInternal:1 |
659 |
|
|
|
660 |
|
|
ElementTypeBinding: |
661 |
|
|
@Name: Return |
662 |
|
|
@ElementType: |
663 |
|
|
dis:ResourceDef |
664 |
|
|
@ShadowContent: |
665 |
|
|
@@rdf:type: |
666 |
|
|
DISLang:MethodReturn |
667 |
|
|
|
668 |
|
|
ElementTypeBinding: |
669 |
|
|
@Name: Param |
670 |
|
|
@ElementType: |
671 |
|
|
dis:ResourceDef |
672 |
|
|
@ShadowContent: |
673 |
|
|
@@rdf:type: |
674 |
|
|
DISLang:MethodParameter |
675 |
|
|
|
676 |
|
|
ElementTypeBinding: |
677 |
|
|
@Name: PerlDef |
678 |
|
|
@ElementType: |
679 |
|
|
dis:Def |
680 |
|
|
@ShadowContent: |
681 |
|
|
@@ContentType: |
682 |
|
|
lang:Perl |
683 |
|
|
|
684 |
|
|
ElementTypeBinding: |
685 |
|
|
@Name: InCase |
686 |
|
|
@ElementType: |
687 |
|
|
dis:ResourceDef |
688 |
|
|
@ShadowContent: |
689 |
|
|
@@rdf:type: |
690 |
|
|
ManakaiDOM:InCase |
691 |
|
|
|
692 |
|
|
## ManakaiNode.dis ends here |