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package org.jaxen.expr; |
49 | |
|
50 | |
import org.jaxen.JaxenException; |
51 | |
import org.jaxen.expr.iter.IterableAncestorAxis; |
52 | |
import org.jaxen.expr.iter.IterableAncestorOrSelfAxis; |
53 | |
import org.jaxen.expr.iter.IterableAttributeAxis; |
54 | |
import org.jaxen.expr.iter.IterableAxis; |
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import org.jaxen.expr.iter.IterableChildAxis; |
56 | |
import org.jaxen.expr.iter.IterableDescendantAxis; |
57 | |
import org.jaxen.expr.iter.IterableDescendantOrSelfAxis; |
58 | |
import org.jaxen.expr.iter.IterableFollowingAxis; |
59 | |
import org.jaxen.expr.iter.IterableFollowingSiblingAxis; |
60 | |
import org.jaxen.expr.iter.IterableNamespaceAxis; |
61 | |
import org.jaxen.expr.iter.IterableParentAxis; |
62 | |
import org.jaxen.expr.iter.IterablePrecedingAxis; |
63 | |
import org.jaxen.expr.iter.IterablePrecedingSiblingAxis; |
64 | |
import org.jaxen.expr.iter.IterableSelfAxis; |
65 | |
import org.jaxen.saxpath.Axis; |
66 | |
import org.jaxen.saxpath.Operator; |
67 | |
|
68 | |
|
69 | |
|
70 | |
|
71 | |
|
72 | |
|
73 | |
|
74 | 6170 | public class DefaultXPathFactory implements XPathFactory |
75 | |
{ |
76 | |
public XPathExpr createXPath( Expr rootExpr ) throws JaxenException |
77 | |
{ |
78 | 6124 | return new DefaultXPathExpr( rootExpr ); |
79 | |
} |
80 | |
|
81 | |
public PathExpr createPathExpr( FilterExpr filterExpr, |
82 | |
LocationPath locationPath ) throws JaxenException |
83 | |
{ |
84 | 14816 | return new DefaultPathExpr( filterExpr, |
85 | |
locationPath ); |
86 | |
} |
87 | |
|
88 | |
public LocationPath createRelativeLocationPath() throws JaxenException |
89 | |
{ |
90 | 2362 | return new DefaultRelativeLocationPath(); |
91 | |
} |
92 | |
|
93 | |
public LocationPath createAbsoluteLocationPath() throws JaxenException |
94 | |
{ |
95 | 3152 | return new DefaultAbsoluteLocationPath(); |
96 | |
} |
97 | |
|
98 | |
public BinaryExpr createOrExpr( Expr lhs, |
99 | |
Expr rhs ) throws JaxenException |
100 | |
{ |
101 | 16 | return new DefaultOrExpr( lhs, |
102 | |
rhs ); |
103 | |
} |
104 | |
|
105 | |
public BinaryExpr createAndExpr( Expr lhs, |
106 | |
Expr rhs ) throws JaxenException |
107 | |
{ |
108 | 248 | return new DefaultAndExpr( lhs, |
109 | |
rhs ); |
110 | |
} |
111 | |
|
112 | |
public BinaryExpr createEqualityExpr( Expr lhs, |
113 | |
Expr rhs, |
114 | |
int equalityOperator ) throws JaxenException |
115 | |
{ |
116 | 1254 | switch( equalityOperator ) |
117 | |
{ |
118 | |
case Operator.EQUALS: |
119 | |
{ |
120 | 1122 | return new DefaultEqualsExpr( lhs, |
121 | |
rhs ); |
122 | |
} |
123 | |
case Operator.NOT_EQUALS: |
124 | |
{ |
125 | 132 | return new DefaultNotEqualsExpr( lhs, |
126 | |
rhs ); |
127 | |
} |
128 | |
} |
129 | 0 | throw new JaxenException( "Unhandled operator in createEqualityExpr(): " + equalityOperator ); |
130 | |
} |
131 | |
|
132 | |
public BinaryExpr createRelationalExpr( Expr lhs, |
133 | |
Expr rhs, |
134 | |
int relationalOperator ) throws JaxenException |
135 | |
{ |
136 | 458 | switch( relationalOperator ) |
137 | |
{ |
138 | |
case Operator.LESS_THAN: |
139 | |
{ |
140 | 122 | return new DefaultLessThanExpr( lhs, |
141 | |
rhs ); |
142 | |
} |
143 | |
case Operator.GREATER_THAN: |
144 | |
{ |
145 | 124 | return new DefaultGreaterThanExpr( lhs, |
146 | |
rhs ); |
147 | |
} |
148 | |
case Operator.LESS_THAN_EQUALS: |
149 | |
{ |
150 | 96 | return new DefaultLessThanEqualExpr( lhs, |
151 | |
rhs ); |
152 | |
} |
153 | |
case Operator.GREATER_THAN_EQUALS: |
154 | |
{ |
155 | 116 | return new DefaultGreaterThanEqualExpr( lhs, |
156 | |
rhs ); |
157 | |
} |
158 | |
} |
159 | 0 | throw new JaxenException( "Unhandled operator in createRelationalExpr(): " + relationalOperator ); |
160 | |
} |
161 | |
|
162 | |
public BinaryExpr createAdditiveExpr( Expr lhs, |
163 | |
Expr rhs, |
164 | |
int additiveOperator ) throws JaxenException |
165 | |
{ |
166 | 504 | switch( additiveOperator ) |
167 | |
{ |
168 | |
case Operator.ADD: |
169 | |
{ |
170 | 296 | return new DefaultPlusExpr( lhs, |
171 | |
rhs ); |
172 | |
} |
173 | |
case Operator.SUBTRACT: |
174 | |
{ |
175 | 208 | return new DefaultMinusExpr( lhs, |
176 | |
rhs ); |
177 | |
} |
178 | |
} |
179 | 0 | throw new JaxenException( "Unhandled operator in createAdditiveExpr(): " + additiveOperator ); |
180 | |
} |
181 | |
|
182 | |
public BinaryExpr createMultiplicativeExpr( Expr lhs, |
183 | |
Expr rhs, |
184 | |
int multiplicativeOperator ) throws JaxenException |
185 | |
{ |
186 | 378 | switch( multiplicativeOperator ) |
187 | |
{ |
188 | |
case Operator.MULTIPLY: |
189 | |
{ |
190 | 122 | return new DefaultMultiplyExpr( lhs, |
191 | |
rhs ); |
192 | |
} |
193 | |
case Operator.DIV: |
194 | |
{ |
195 | 186 | return new DefaultDivExpr( lhs, |
196 | |
rhs ); |
197 | |
} |
198 | |
case Operator.MOD: |
199 | |
{ |
200 | 70 | return new DefaultModExpr( lhs, |
201 | |
rhs ); |
202 | |
} |
203 | |
} |
204 | 0 | throw new JaxenException( "Unhandled operator in createMultiplicativeExpr(): " + multiplicativeOperator ); |
205 | |
} |
206 | |
|
207 | |
public Expr createUnaryExpr( Expr expr, |
208 | |
int unaryOperator ) throws JaxenException |
209 | |
{ |
210 | 136 | switch( unaryOperator ) |
211 | |
{ |
212 | |
case Operator.NEGATIVE: |
213 | |
{ |
214 | 136 | return new DefaultUnaryExpr( expr ); |
215 | |
} |
216 | |
} |
217 | 0 | return expr; |
218 | |
} |
219 | |
|
220 | |
public UnionExpr createUnionExpr( Expr lhs, |
221 | |
Expr rhs ) throws JaxenException |
222 | |
{ |
223 | 40 | return new DefaultUnionExpr( lhs, |
224 | |
rhs ); |
225 | |
} |
226 | |
|
227 | |
public FilterExpr createFilterExpr( Expr expr ) throws JaxenException |
228 | |
{ |
229 | 9460 | return new DefaultFilterExpr( expr, createPredicateSet() ); |
230 | |
} |
231 | |
|
232 | |
public FunctionCallExpr createFunctionCallExpr( String prefix, |
233 | |
String functionName ) throws JaxenException |
234 | |
{ |
235 | 2644 | return new DefaultFunctionCallExpr( prefix, |
236 | |
functionName ); |
237 | |
} |
238 | |
|
239 | |
public NumberExpr createNumberExpr( int number ) throws JaxenException |
240 | |
{ |
241 | 0 | return new DefaultNumberExpr( new Double( number ) ); |
242 | |
} |
243 | |
|
244 | |
public NumberExpr createNumberExpr( double number ) throws JaxenException |
245 | |
{ |
246 | 3150 | return new DefaultNumberExpr( new Double( number ) ); |
247 | |
} |
248 | |
|
249 | |
public LiteralExpr createLiteralExpr( String literal ) throws JaxenException |
250 | |
{ |
251 | 2196 | return new DefaultLiteralExpr( literal ); |
252 | |
} |
253 | |
|
254 | |
public VariableReferenceExpr createVariableReferenceExpr( String prefix, |
255 | |
String variable ) throws JaxenException |
256 | |
{ |
257 | 78 | return new DefaultVariableReferenceExpr( prefix, |
258 | |
variable ); |
259 | |
} |
260 | |
|
261 | |
public Step createNameStep( int axis, |
262 | |
String prefix, |
263 | |
String localName ) throws JaxenException |
264 | |
{ |
265 | 7548 | IterableAxis iter = getIterableAxis( axis ); |
266 | 7548 | return new DefaultNameStep( iter, |
267 | |
prefix, |
268 | |
localName, |
269 | |
createPredicateSet() ); |
270 | |
} |
271 | |
|
272 | |
public Step createTextNodeStep( int axis ) throws JaxenException |
273 | |
{ |
274 | 156 | IterableAxis iter = getIterableAxis( axis ); |
275 | 156 | return new DefaultTextNodeStep( iter, createPredicateSet() ); |
276 | |
} |
277 | |
|
278 | |
public Step createCommentNodeStep( int axis ) throws JaxenException |
279 | |
{ |
280 | 90 | IterableAxis iter = getIterableAxis( axis ); |
281 | 90 | return new DefaultCommentNodeStep( iter, createPredicateSet() ); |
282 | |
} |
283 | |
|
284 | |
public Step createAllNodeStep( int axis ) throws JaxenException |
285 | |
{ |
286 | 1278 | IterableAxis iter = getIterableAxis( axis ); |
287 | 1276 | return new DefaultAllNodeStep( iter, createPredicateSet() ); |
288 | |
} |
289 | |
|
290 | |
public Step createProcessingInstructionNodeStep( int axis, |
291 | |
String piName ) throws JaxenException |
292 | |
{ |
293 | 140 | IterableAxis iter = getIterableAxis( axis ); |
294 | 140 | return new DefaultProcessingInstructionNodeStep( iter, |
295 | |
piName, |
296 | |
createPredicateSet() ); |
297 | |
} |
298 | |
|
299 | |
public Predicate createPredicate( Expr predicateExpr ) throws JaxenException |
300 | |
{ |
301 | 1346 | return new DefaultPredicate( predicateExpr ); |
302 | |
} |
303 | |
|
304 | |
protected IterableAxis getIterableAxis( int axis ) throws JaxenException |
305 | |
{ |
306 | |
|
307 | 9212 | switch( axis ) |
308 | |
{ |
309 | |
case Axis.CHILD: |
310 | 6178 | return new IterableChildAxis( axis ); |
311 | |
case Axis.DESCENDANT: |
312 | 322 | return new IterableDescendantAxis( axis ); |
313 | |
case Axis.PARENT: |
314 | 238 | return new IterableParentAxis( axis ); |
315 | |
case Axis.FOLLOWING_SIBLING: |
316 | 34 | return new IterableFollowingSiblingAxis( axis ); |
317 | |
case Axis.PRECEDING_SIBLING: |
318 | 180 | return new IterablePrecedingSiblingAxis( axis ); |
319 | |
case Axis.FOLLOWING: |
320 | 64 | return new IterableFollowingAxis( axis ); |
321 | |
case Axis.PRECEDING: |
322 | 138 | return new IterablePrecedingAxis( axis ); |
323 | |
case Axis.ATTRIBUTE: |
324 | 732 | return new IterableAttributeAxis( axis ); |
325 | |
case Axis.NAMESPACE: |
326 | 274 | return new IterableNamespaceAxis( axis ); |
327 | |
case Axis.SELF: |
328 | 304 | return new IterableSelfAxis( axis ); |
329 | |
case Axis.DESCENDANT_OR_SELF: |
330 | 652 | return new IterableDescendantOrSelfAxis( axis ); |
331 | |
case Axis.ANCESTOR_OR_SELF: |
332 | 34 | return new IterableAncestorOrSelfAxis( axis ); |
333 | |
case Axis.ANCESTOR: |
334 | 60 | return new IterableAncestorAxis( axis ); |
335 | |
default: |
336 | 2 | throw new JaxenException("Unrecognized axis code: " + axis); |
337 | |
} |
338 | |
|
339 | |
} |
340 | |
|
341 | |
public PredicateSet createPredicateSet() throws JaxenException |
342 | |
{ |
343 | 18670 | return new PredicateSet(); |
344 | |
} |
345 | |
|
346 | |
} |