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1 package JSci.io;
2
3 import java.io.*;
4 import java.util.Iterator  ;
5 import JSci.maths.*;
6 import JSci.maths.matrices.AbstractComplexMatrix;
7 import JSci.maths.matrices.AbstractDoubleMatrix;
8 import JSci.maths.matrices.AbstractIntegerMatrix;
9 import JSci.maths.vectors.AbstractComplexVector;
10 import JSci.maths.vectors.AbstractDoubleVector;
11 import JSci.maths.vectors.AbstractIntegerVector;
12 import JSci.mathml.*;
13 import org.w3c.dom.*;
14 import org.w3c.dom.mathml.*;
15
16
21 public class MathMLDocumentJSciImpl extends MathMLDocumentImpl {
22
25 public MathMLDocumentJSciImpl() {
26 super();
27 }
28
29
32 public Element createNumber(double x) {
33 final Element num=createElement("cn");
34 num.appendChild(createTextNode(String.valueOf(x)));
35 return num;
36 }
37
40 public Element createNumber(int i) {
41 final Element num=createElement("cn");
42 num.setAttribute("type","integer");
43 num.appendChild(createTextNode(String.valueOf(i)));
44 return num;
45 }
46
49 public Element createNumber(Complex z) {
50 final Element num=createElement("cn");
51 num.setAttribute("type","complex-cartesian");
52 num.appendChild(createTextNode(String.valueOf(z.real())));
53 num.appendChild(createElement("sep"));
54 num.appendChild(createTextNode(String.valueOf(z.imag())));
55 return num;
56 }
57
58
61 public Element createVariable(Object obj) {
62 final Element var=createElement("ci");
63 var.appendChild(createTextNode(obj.toString()));
64 return var;
65 }
66
69 public Element createVariable(Object obj,String type) {
70 final Element var=createElement("ci");
71 var.setAttribute("type",type);
72 var.appendChild(createTextNode(obj.toString()));
73 return var;
74 }
75
76
79 public Element createVector(AbstractDoubleVector v) {
80 final Element vector=createElement("vector");
81 for(int i=0;i<v.dimension();i++)
82 vector.appendChild(createNumber(v.getComponent(i)));
83 return vector;
84 }
85
88 public Element createVector(AbstractIntegerVector v) {
89 final Element vector=createElement("vector");
90 for(int i=0;i<v.dimension();i++)
91 vector.appendChild(createNumber(v.getComponent(i)));
92 return vector;
93 }
94
97 public Element createVector(AbstractComplexVector v) {
98 final Element vector=createElement("vector");
99 for(int i=0;i<v.dimension();i++)
100 vector.appendChild(createNumber(v.getComponent(i)));
101 return vector;
102 }
103
104
107 public Element createMatrix(AbstractDoubleMatrix m) {
108 final Element matrix=createElement("matrix");
109 Element row;
110 for(int j,i=0;i<m.rows();i++) {
111 row=createElement("matrixrow");
112 for(j=0;j<m.columns();j++)
113 row.appendChild(createNumber(m.getElement(i,j)));
114 matrix.appendChild(row);
115 }
116 return matrix;
117 }
118
121 public Element createMatrix(AbstractIntegerMatrix m) {
122 final Element matrix=createElement("matrix");
123 Element row;
124 for(int j,i=0;i<m.rows();i++) {
125 row=createElement("matrixrow");
126 for(j=0;j<m.columns();j++)
127 row.appendChild(createNumber(m.getElement(i,j)));
128 matrix.appendChild(row);
129 }
130 return matrix;
131 }
132
135 public Element createMatrix(AbstractComplexMatrix m) {
136 final Element matrix=createElement("matrix");
137 Element row;
138 for(int j,i=0;i<m.rows();i++) {
139 row=createElement("matrixrow");
140 for(j=0;j<m.columns();j++)
141 row.appendChild(createNumber(m.getElement(i,j)));
142 matrix.appendChild(row);
143 }
144 return matrix;
145 }
146
147
150 public Element createSet(FiniteSet s) {
151 final Element set = createElement("set");
152 Iterator iter = s.getElements().iterator();
153 while(iter.hasNext())
154 set.appendChild(createVariable(iter.next()));
155 return set;
156 }
157
158
163 public Element createApply(String op,DocumentFragment args) {
164 final Element apply=createElement("apply");
165 apply.appendChild(createElement(op));
166 apply.appendChild(args);
167 return apply;
168 }
169
173 public Element createApply(MathMLExpression expr) {
174 final Element apply=createElement("apply");
175 apply.appendChild(createElement(expr.getOperation()));
176 for(int i=0;i<expr.length();i++) {
177 Object arg=expr.getArgument(i);
178 if(arg instanceof MathMLExpression)
179 apply.appendChild(createApply((MathMLExpression)arg));
180 else if(arg instanceof MathDouble)
181 apply.appendChild(createNumber(((MathDouble)arg).value()));
182 else if(arg instanceof Complex)
183 apply.appendChild(createNumber((Complex)arg));
184 else if(arg instanceof AbstractDoubleVector)
185 apply.appendChild(createVector((AbstractDoubleVector)arg));
186 else if(arg instanceof AbstractDoubleMatrix)
187 apply.appendChild(createMatrix((AbstractDoubleMatrix)arg));
188 else
189 apply.appendChild(createVariable(arg));
190 }
191 return apply;
192 }
193
194
197 public void print(Writer out) throws IOException {
198 out.write("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n");
199 out.write("<!DOCTYPE "+getDoctype().getName()+" PUBLIC \""+getDoctype().getPublicId()+"\" \""+getDoctype().getSystemId()+"\">\n");
200 printNode(out,getDocumentElement(),true);
201 out.flush();
202 }
203 private void printNode(Writer out,Node n,boolean printNS) throws IOException {
204 if(n.hasChildNodes()) {
205 out.write("<"+n.getNodeName());
206 if(printNS)
207 out.write(" xmlns=\""+n.getNamespaceURI()+"\"");
208 final NamedNodeMap attr=n.getAttributes();
209 for(int j=0;j<attr.getLength();j++)
210 out.write(" "+attr.item(j).getNodeName()+"=\""+attr.item(j).getNodeValue()+"\"");
211 out.write(">");
212 if(n.getFirstChild().getNodeType()!=Node.TEXT_NODE)
213 out.write("\n");
214 final NodeList nl=n.getChildNodes();
215 for(int i=0;i<nl.getLength();i++)
216 printNode(out,nl.item(i),false);
217 out.write("</"+n.getNodeName()+">\n");
218 } else {
219 if(n.getNodeType()==Node.TEXT_NODE) {
220 out.write(n.getNodeValue());
221 } else {
222 out.write("<"+n.getNodeName()+"/>");
223 if(n.getNextSibling().getNodeType()!=Node.TEXT_NODE)
224 out.write("\n");
225 }
226 }
227 }
228 }
229
230 |
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