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22
23 package org.xquark.schema.validation;
24
25 import org.xquark.schema.*;
26
27 public class AllContentIterator extends ContentIterator {
28 private static final String  RCSRevision = "$Revision: 1.1 $";
29 private static final String RCSName = "$Name: $";
30
31 private AllModelGroup group;
32 private AllModelGroup current;
33 private ContentIterator iterator;
34 private boolean inUse = false;
35
36 public AllContentIterator(Particle particle)
37 {
38 super(particle);
39 group = (AllModelGroup)particle.getTerm();
40 this.current = (AllModelGroup)group.clone();
41 }
42
43 public ElementDeclaration getMatchedDeclaration() {
44 if (iterator != null)
45 return iterator.getMatchedDeclaration();
46 else return null;
47 }
48
49 public ElementDeclaration getModelDeclaration() {
50 if (iterator != null)
51 return iterator.getModelDeclaration();
52 else return null;
53 }
54
55 public int getProcessContents() {
56 if (iterator != null)
57 return iterator.getProcessContents();
58 else return LAX;
59 }
60
61 private ContentIterator selectContentIterator(String namespace, String localName)
62 {
63 java.util.Iterator it = current.iterator();
64 while (it.hasNext()) {
65 Particle particle = (Particle)it.next();
66 if (particle.hasNextElement(namespace, localName)) {
67 inUse = true;
68 it.remove();
69 return ContentIteratorFactory.createIterator(particle, reporter);
70 }
71 }
72 return null;
73 }
74
75 protected int nextElement(String namespace, String localName)
76 {
77 iterator = selectContentIterator(namespace, localName);
78 if (iterator == null)
79 return stopProcessing();
80 switch (iterator.nextElement(namespace, localName)) {
81 case MATCHED:
82 return MATCHED;
83 case UNKNOWN:
84 return UNKNOWN;
85 case INVALID:
86 case TOO_MANY:
87 case DONE:
88 default:
89 if (iterator.getMatchedDeclaration() != null)
90 return invalidElement(iterator.getExceptions());
91 else
92 return invalidElement("cvc-particle.3.3", parentParticle, iterator.getExceptions());
93 }
94 }
95
96 public int stopProcessing() {
97 if (!inUse) {
98 if ( minOccurs != 0 && groupMinExtent() !=0 ) {
99 return invalidElement("cvc-particle.3.1", parentParticle);
100 } else if (reporter != null) {
101 reporter.skipped(parentParticle);
102 }
103 return DONE;
104 }
105 java.util.Iterator it = current.iterator();
106 while (it.hasNext()) {
107 Particle particle = (Particle)it.next();
108 if (particle.getMinExtent() > 0) {
109 SchemaException se = SchemaException.computeMinExtentException(particle);
110 return invalidElement("cvc-particle.3.3", parentParticle, se);
111 } else if (reporter != null) {
112 reporter.skipped(particle);
113 }
114 }
115 return DONE;
116 }
117
118 protected boolean nextValidElements(java.util.List elements) {
119 java.util.Iterator it = current.iterator();
125 boolean allOptional = true;
126 while (it.hasNext()) {
127 Particle particle = (Particle)it.next();
128 if (elements != null) {
129 if (particle.getMinExtent() > 0)
130 elements.addAll(particle.firstValidElements());
131 else
132 elements.addAll(0, particle.firstValidElements());
133 }
134 if (particle.getMinExtent() > 0) allOptional = false;
135 }
136 return allOptional;
137 }
138
139 private int groupMinExtent() {
140 if ( group == null || group.size() == 0 ) return 0;
141 java.util.Iterator it = group.iterator();
142 int minExtent = 0;
143 while ( it.hasNext() ) {
144 Particle p = (Particle)it.next();
145 minExtent += p.getMinExtent();
146 }
147 return minExtent;
148 }
149
150 }
151
152
153
154
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