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1 package JSci.mathml;
2
3 import org.w3c.dom.*;
4 import org.w3c.dom.mathml.*;
5
6
11 public class MathMLMathElementImpl extends MathMLElementImpl implements MathMLMathElement {
12
15 public MathMLMathElementImpl(MathMLDocumentImpl owner, String  qualifiedName) {
16 super (owner, qualifiedName);
17 }
18
19 public String getMacros() {
20 return getAttribute("macros");
21 }
22 public void setMacros(String macros) {
23 setAttribute("macros", macros);
24 }
25
26 public String getDisplay() {
27 return getAttribute("display");
28 }
29 public void setDisplay(String display) {
30 setAttribute("display", display);
31 }
32
33 public int getNArguments() {
34 return getArgumentsGetLength();
35 }
36 public MathMLNodeList getArguments() {
37 return new MathMLNodeList() {
38 public int getLength() {
39 return getArgumentsGetLength();
40 }
41 public Node item(int index) {
42 return getArgumentsItem(index);
43 }
44 };
45 }
46 public MathMLNodeList getDeclarations() {
47 return new MathMLNodeList() {
48 public int getLength() {
49 return getDeclarationsGetLength();
50 }
51 public Node item(int index) {
52 return getDeclarationsItem(index);
53 }
54 };
55 }
56
57 public MathMLElement getArgument(int index) throws DOMException {
58 Node arg = getArgumentsItem(index-1);
59 if (arg == null) {
60 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
61 }
62 return (MathMLElement) arg;
63 }
64 public MathMLElement setArgument(MathMLElement newArgument, int index) throws DOMException {
65 final int argsLength = getArgumentsGetLength();
66
67 if ((index < 1) || (index > argsLength+1)) {
68 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
69 }
70 if (index == argsLength+1) {
71 return (MathMLElement) appendChild(newArgument);
72 } else {
73 return (MathMLElement) replaceChild(newArgument, getArgumentsItem(index-1));
74 }
75 }
76 public MathMLElement insertArgument(MathMLElement newArgument, int index) throws DOMException {
77 final int argsLength = getArgumentsGetLength();
78
79 if ((index < 0) || (index > argsLength+1)) {
80 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
81 }
82 if ((index == 0) || (index == argsLength+1)) {
83 return (MathMLElement) appendChild(newArgument);
84 } else {
85 return (MathMLElement) insertBefore(newArgument, getArgumentsItem(index-1));
86 }
87 }
88 public MathMLElement removeArgument(int index) throws DOMException {
89 Node arg = getArgumentsItem(index-1);
90 if (arg == null) {
91 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
92 }
93 return (MathMLElement) removeChild(arg);
94 }
95 public void deleteArgument(int index) throws DOMException {
96 removeArgument(index);
97 }
98
99 public MathMLDeclareElement getDeclaration(int index) throws DOMException {
100 Node decl = getDeclarationsItem(index-1);
101 if (decl == null) {
102 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
103 }
104 return (MathMLDeclareElement) decl;
105 }
106 public MathMLDeclareElement setDeclaration(MathMLDeclareElement newDeclaration, int index) throws DOMException {
107 final int declsLength = getDeclarationsGetLength();
108
109 if ((index < 1) || (index > declsLength+1)) {
110 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
111 }
112 if (index == declsLength+1) {
113 return (MathMLDeclareElement) appendChild(newDeclaration);
114 } else {
115 return (MathMLDeclareElement) replaceChild(newDeclaration, getDeclarationsItem(index-1));
116 }
117 }
118 public MathMLDeclareElement insertDeclaration(MathMLDeclareElement newDeclaration, int index) throws DOMException {
119 final int declsLength = getDeclarationsGetLength();
120
121 if ((index < 0) || (index > declsLength+1)) {
122 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
123 }
124 if ((index == 0) || (index == declsLength+1)) {
125 return (MathMLDeclareElement) appendChild(newDeclaration);
126 } else {
127 return (MathMLDeclareElement) insertBefore(newDeclaration, getDeclarationsItem(index-1));
128 }
129 }
130 public MathMLDeclareElement removeDeclaration(int index) throws DOMException {
131 Node decl = getDeclarationsItem(index-1);
132 if (decl == null) {
133 throw new DOMException(DOMException.INDEX_SIZE_ERR, "Index out of bounds");
134 }
135 return (MathMLDeclareElement) removeChild(decl);
136 }
137 public void deleteDeclaration(int index) throws DOMException {
138 removeDeclaration(index);
139 }
140
141 private int getArgumentsGetLength() {
142 final int length = getLength();
143 int numArgs = 0;
144
145 for (int i = 0; i < length; i++) {
146 if (!(item(i) instanceof MathMLDeclareElement)) {
147 numArgs++;
148 }
149 }
150 return numArgs;
151 }
152 private Node getArgumentsItem(int index) {
153 final int argsLength = getArgumentsGetLength();
154
155 if ((index < 0) || (index >= argsLength))
156 return null;
157
158 Node node = null;
159 int n = -1;
160 for (int i = 0; n < index; i++) {
161 node = item(i);
162 if (!(node instanceof MathMLDeclareElement)) {
163 n++;
164 }
165 }
166 return node;
167 }
168
169 private int getDeclarationsGetLength() {
170 final int length = getLength();
171 int numDecls = 0;
172
173 for (int i = 0; i < length; i++) {
174 if (item(i) instanceof MathMLDeclareElement) {
175 numDecls++;
176 }
177 }
178 return numDecls;
179 }
180 private Node getDeclarationsItem(int index) {
181 final int declLength = getDeclarationsGetLength();
182
183 if ((index < 0) || (index >= declLength))
184 return null;
185
186 Node node = null;
187 int n = -1;
188 for (int i = 0; n < index; i++) {
189 node = item(i);
190 if (node instanceof MathMLDeclareElement) {
191 n++;
192 }
193 }
194 return node;
195 }
196 }
197
198 |
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