author | mkos |
Sun, 30 Dec 2012 00:00:00 +0100 | |
changeset 22678 | ac1ea46be942 |
parent 12009 | 4abb694f273a |
permissions | -rw-r--r-- |
12009 | 1 |
/* |
22678
ac1ea46be942
8029237: Update copyright year to match last edit in jaxws repository for 2012
mkos
parents:
12009
diff
changeset
|
2 |
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
12009 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. Oracle designates this |
|
8 |
* particular file as subject to the "Classpath" exception as provided |
|
9 |
* by Oracle in the LICENSE file that accompanied this code. |
|
10 |
* |
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
24 |
*/ |
|
25 |
||
26 |
package com.sun.tools.internal.xjc.reader.xmlschema; |
|
27 |
||
28 |
import java.util.HashMap; |
|
29 |
import java.util.Map; |
|
30 |
||
31 |
import javax.xml.bind.annotation.XmlAnyElement; |
|
32 |
import javax.xml.namespace.QName; |
|
33 |
||
34 |
import com.sun.tools.internal.xjc.reader.gbind.Choice; |
|
35 |
import com.sun.tools.internal.xjc.reader.gbind.Element; |
|
36 |
import com.sun.tools.internal.xjc.reader.gbind.Expression; |
|
37 |
import com.sun.tools.internal.xjc.reader.gbind.OneOrMore; |
|
38 |
import com.sun.tools.internal.xjc.reader.gbind.Sequence; |
|
39 |
import com.sun.xml.internal.xsom.XSElementDecl; |
|
40 |
import com.sun.xml.internal.xsom.XSModelGroup; |
|
41 |
import com.sun.xml.internal.xsom.XSModelGroupDecl; |
|
42 |
import com.sun.xml.internal.xsom.XSParticle; |
|
43 |
import com.sun.xml.internal.xsom.XSWildcard; |
|
44 |
import com.sun.xml.internal.xsom.visitor.XSTermFunction; |
|
45 |
import java.math.BigInteger; |
|
46 |
||
47 |
/** |
|
48 |
* Visits {@link XSParticle} and creates a corresponding {@link Expression} tree. |
|
49 |
* @author Kohsuke Kawaguchi |
|
50 |
*/ |
|
51 |
public final class ExpressionBuilder implements XSTermFunction<Expression> { |
|
52 |
||
53 |
public static Expression createTree(XSParticle p) { |
|
54 |
return new ExpressionBuilder().particle(p); |
|
55 |
} |
|
56 |
||
57 |
private ExpressionBuilder() {} |
|
58 |
||
59 |
/** |
|
60 |
* Wildcard instance needs to be consolidated to one, |
|
61 |
* and this is such instance (if any.) |
|
62 |
*/ |
|
63 |
private GWildcardElement wildcard = null; |
|
64 |
||
65 |
private final Map<QName,GElementImpl> decls = new HashMap<QName,GElementImpl>(); |
|
66 |
||
67 |
private XSParticle current; |
|
68 |
||
69 |
/** |
|
70 |
* We can only have one {@link XmlAnyElement} property, |
|
71 |
* so all the wildcards need to be treated as one node. |
|
72 |
*/ |
|
73 |
public Expression wildcard(XSWildcard wc) { |
|
74 |
if(wildcard==null) |
|
75 |
wildcard = new GWildcardElement(); |
|
76 |
wildcard.merge(wc); |
|
77 |
wildcard.particles.add(current); |
|
78 |
return wildcard; |
|
79 |
} |
|
80 |
||
81 |
public Expression modelGroupDecl(XSModelGroupDecl decl) { |
|
82 |
return modelGroup(decl.getModelGroup()); |
|
83 |
} |
|
84 |
||
85 |
public Expression modelGroup(XSModelGroup group) { |
|
86 |
XSModelGroup.Compositor comp = group.getCompositor(); |
|
87 |
if(comp==XSModelGroup.CHOICE) { |
|
88 |
// empty choice is not epsilon, but empty set, |
|
89 |
// so this initial value is incorrect. But this |
|
90 |
// kinda works. |
|
91 |
// properly handling empty set requires more work. |
|
92 |
Expression e = Expression.EPSILON; |
|
93 |
for (XSParticle p : group.getChildren()) { |
|
94 |
if(e==null) e = particle(p); |
|
95 |
else e = new Choice(e,particle(p)); |
|
96 |
} |
|
97 |
return e; |
|
98 |
} else { |
|
99 |
Expression e = Expression.EPSILON; |
|
100 |
for (XSParticle p : group.getChildren()) { |
|
101 |
if(e==null) e = particle(p); |
|
102 |
else e = new Sequence(e,particle(p)); |
|
103 |
} |
|
104 |
return e; |
|
105 |
} |
|
106 |
} |
|
107 |
||
108 |
public Element elementDecl(XSElementDecl decl) { |
|
109 |
QName n = BGMBuilder.getName(decl); |
|
110 |
||
111 |
GElementImpl e = decls.get(n); |
|
112 |
if(e==null) |
|
113 |
decls.put(n,e=new GElementImpl(n,decl)); |
|
114 |
||
115 |
e.particles.add(current); |
|
116 |
assert current.getTerm()==decl; |
|
117 |
||
118 |
return e; |
|
119 |
} |
|
120 |
||
121 |
public Expression particle(XSParticle p) { |
|
122 |
current = p; |
|
123 |
Expression e = p.getTerm().apply(this); |
|
124 |
||
125 |
if(p.isRepeated()) |
|
126 |
e = new OneOrMore(e); |
|
127 |
||
128 |
if (BigInteger.ZERO.equals(p.getMinOccurs())) |
|
129 |
e = new Choice(e,Expression.EPSILON); |
|
130 |
||
131 |
return e; |
|
132 |
} |
|
133 |
||
134 |
} |