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1 package com.thaiopensource.relaxng.impl;
2
3 import org.xml.sax.Locator  ;
4 import org.xml.sax.SAXException ;
5 import org.xml.sax.SAXParseException ;
6
7 class RefPattern extends Pattern {
8 private Pattern p;
9 private Locator refLoc;
10 private final String name;
11 private int checkRecursionDepth = -1;
12 private boolean combineImplicit = false;
13 private byte combineType = COMBINE_NONE;
14 private byte replacementStatus = REPLACEMENT_KEEP;
15 private boolean expanded = false;
16
17 static final byte REPLACEMENT_KEEP = 0;
18 static final byte REPLACEMENT_REQUIRE = 1;
19 static final byte REPLACEMENT_IGNORE = 2;
20
21 static final byte COMBINE_NONE = 0;
22 static final byte COMBINE_CHOICE = 1;
23 static final byte COMBINE_INTERLEAVE = 2;
24
25 RefPattern(String name) {
26 this.name = name;
27 }
28
29 Pattern getPattern() {
30 return p;
31 }
32
33 void setPattern(Pattern p) {
34 this.p = p;
35 }
36
37 Locator getRefLocator() {
38 return refLoc;
39 }
40
41 void setRefLocator(Locator loc) {
42 this.refLoc = loc;
43 }
44
45 void checkRecursion(int depth) throws SAXException {
46 if (checkRecursionDepth == -1) {
47 checkRecursionDepth = depth;
48 p.checkRecursion(depth);
49 checkRecursionDepth = -2;
50 }
51 else if (depth == checkRecursionDepth)
52 throw new SAXParseException (SchemaBuilderImpl.localizer.message("recursive_reference", name),
54 refLoc);
55 }
56
57 Pattern expand(SchemaPatternBuilder b) {
58 if (!expanded) {
59 p = p.expand(b);
60 expanded = true;
61 }
62 return p;
63 }
64
65 boolean samePattern(Pattern other) {
66 return false;
67 }
68
69 void accept(PatternVisitor visitor) {
70 p.accept(visitor);
71 }
72
73 Object apply(PatternFunction f) {
74 return f.caseRef(this);
75 }
76
77 byte getReplacementStatus() {
78 return replacementStatus;
79 }
80
81 void setReplacementStatus(byte replacementStatus) {
82 this.replacementStatus = replacementStatus;
83 }
84
85 boolean isCombineImplicit() {
86 return combineImplicit;
87 }
88
89 void setCombineImplicit() {
90 combineImplicit = true;
91 }
92
93 byte getCombineType() {
94 return combineType;
95 }
96
97 void setCombineType(byte combineType) {
98 this.combineType = combineType;
99 }
100
101 String getName() {
102 return name;
103 }
104 }
105
106 |
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