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package org.jaxen.saxpath.base; |
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import java.util.LinkedList; |
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import org.jaxen.saxpath.Axis; |
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import org.jaxen.saxpath.Operator; |
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import org.jaxen.saxpath.XPathHandler; |
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import org.jaxen.saxpath.XPathSyntaxException; |
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import org.jaxen.saxpath.helpers.DefaultXPathHandler; |
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public class XPathReader extends TokenTypes implements org.jaxen.saxpath.XPathReader |
| 79 |
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{ |
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private LinkedList tokens; |
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private XPathLexer lexer; |
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| 83 |
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private XPathHandler handler; |
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90 |
private static XPathHandler defaultHandler = new DefaultXPathHandler(); |
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public XPathReader() |
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3422 |
{ |
| 93 |
3422 |
setXPathHandler( defaultHandler ); |
| 94 |
3422 |
} |
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public void setXPathHandler(XPathHandler handler) |
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{ |
| 98 |
6842 |
this.handler = handler; |
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6842 |
} |
| 100 |
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public XPathHandler getXPathHandler() |
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{ |
| 103 |
212146 |
return this.handler; |
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} |
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public void parse(String xpath) throws org.jaxen.saxpath.SAXPathException |
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{ |
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3480 |
setUpParse( xpath ); |
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3480 |
getXPathHandler().startXPath(); |
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3480 |
expr(); |
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3408 |
getXPathHandler().endXPath(); |
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3408 |
if ( LA(1) != EOF ) |
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{ |
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18 |
throwUnexpected(); |
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} |
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3390 |
lexer = null; |
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3390 |
tokens = null; |
| 123 |
3390 |
} |
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void setUpParse(String xpath) |
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{ |
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3502 |
this.tokens = new LinkedList(); |
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3502 |
this.lexer = new XPathLexer( xpath ); |
| 129 |
3502 |
} |
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void pathExpr() throws org.jaxen.saxpath.SAXPathException |
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{ |
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7182 |
getXPathHandler().startPathExpr(); |
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7182 |
switch ( LA(1) ) |
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{ |
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case INTEGER: |
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case DOUBLE: |
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case LITERAL: |
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{ |
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2410 |
filterExpr(); |
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2410 |
if ( LA(1) == SLASH || LA(1) == DOUBLE_SLASH ) |
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{ |
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2 |
XPathSyntaxException ex = this.createSyntaxException("Node-set expected"); |
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2 |
throw ex; |
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} |
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break; |
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} |
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case LEFT_PAREN: |
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case DOLLAR: |
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{ |
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112 |
filterExpr(); |
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102 |
if ( LA(1) == SLASH || LA(1) == DOUBLE_SLASH) |
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{ |
| 158 |
6 |
locationPath( false ); |
| 159 |
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} |
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break; |
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} |
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case IDENTIFIER: |
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{ |
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2122 |
if ( ( LA(2) == LEFT_PAREN |
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&& |
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! isNodeTypeName( LT(1) ) ) |
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|| |
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( LA(2) == COLON |
| 170 |
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&& |
| 171 |
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LA(4) == LEFT_PAREN) ) |
| 172 |
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{ |
| 173 |
1406 |
filterExpr(); |
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1398 |
if ( LA(1) == SLASH || LA(1) == DOUBLE_SLASH) |
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{ |
| 177 |
48 |
locationPath( false ); |
| 178 |
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} |
| 179 |
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} |
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else |
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{ |
| 182 |
716 |
locationPath( false ); |
| 183 |
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} |
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704 |
break; |
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} |
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case DOT: |
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case DOT_DOT: |
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case STAR: |
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case AT: |
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{ |
| 191 |
536 |
locationPath( false ); |
| 192 |
536 |
break; |
| 193 |
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} |
| 194 |
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case SLASH: |
| 195 |
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case DOUBLE_SLASH: |
| 196 |
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{ |
| 197 |
1994 |
locationPath( true ); |
| 198 |
1952 |
break; |
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} |
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default: |
| 201 |
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{ |
| 202 |
8 |
throwUnexpected(); |
| 203 |
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} |
| 204 |
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} |
| 205 |
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|
| 206 |
7100 |
getXPathHandler().endPathExpr(); |
| 207 |
7100 |
} |
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void numberDouble() throws org.jaxen.saxpath.SAXPathException |
| 210 |
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{ |
| 211 |
80 |
Token token = match( DOUBLE ); |
| 212 |
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| 213 |
80 |
getXPathHandler().number( Double.parseDouble( token.getTokenText() ) ); |
| 214 |
80 |
} |
| 215 |
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| 216 |
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void numberInteger() throws org.jaxen.saxpath.SAXPathException |
| 217 |
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{ |
| 218 |
1146 |
Token token = match( INTEGER ); |
| 219 |
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| 220 |
1146 |
String text = token.getTokenText(); |
| 221 |
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try { |
| 222 |
1146 |
getXPathHandler().number( Integer.parseInt( text ) ); |
| 223 |
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} |
| 224 |
0 |
catch (NumberFormatException ex) { |
| 225 |
0 |
getXPathHandler().number( Double.parseDouble( text ) ); |
| 226 |
1146 |
} |
| 227 |
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|
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1146 |
} |
| 229 |
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void literal() throws org.jaxen.saxpath.SAXPathException |
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{ |
| 232 |
1184 |
Token token = match( LITERAL ); |
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1184 |
getXPathHandler().literal( token.getTokenText() ); |
| 235 |
1184 |
} |
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void functionCall() throws org.jaxen.saxpath.SAXPathException |
| 238 |
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{ |
| 239 |
1406 |
String prefix = null; |
| 240 |
1406 |
String functionName = null; |
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|
| 242 |
1406 |
if ( LA(2) == COLON ) |
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{ |
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0 |
prefix = match( IDENTIFIER ).getTokenText(); |
| 245 |
0 |
match( COLON ); |
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} |
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else |
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{ |
| 249 |
1406 |
prefix = ""; |
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} |
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1406 |
functionName = match( IDENTIFIER ).getTokenText(); |
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1406 |
getXPathHandler().startFunction( prefix, |
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functionName ); |
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1406 |
match ( LEFT_PAREN ); |
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1406 |
arguments(); |
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1398 |
match ( RIGHT_PAREN ); |
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| 263 |
1398 |
getXPathHandler().endFunction(); |
| 264 |
1398 |
} |
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void arguments() throws org.jaxen.saxpath.SAXPathException |
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{ |
| 268 |
1912 |
while ( LA(1) != RIGHT_PAREN ) |
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{ |
| 270 |
1592 |
expr(); |
| 271 |
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|
| 272 |
1584 |
if ( LA(1) == COMMA ) |
| 273 |
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{ |
| 274 |
506 |
match( COMMA ); |
| 275 |
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} |
| 276 |
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else |
| 277 |
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{ |
| 278 |
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break; |
| 279 |
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} |
| 280 |
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} |
| 281 |
1398 |
} |
| 282 |
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|
| 283 |
|
void filterExpr() throws org.jaxen.saxpath.SAXPathException |
| 284 |
|
{ |
| 285 |
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|
| 286 |
3928 |
getXPathHandler().startFilterExpr(); |
| 287 |
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|
| 288 |
3928 |
switch ( LA(1) ) |
| 289 |
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{ |
| 290 |
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case INTEGER: |
| 291 |
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{ |
| 292 |
1146 |
numberInteger(); |
| 293 |
1146 |
break; |
| 294 |
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} |
| 295 |
|
case DOUBLE: |
| 296 |
|
{ |
| 297 |
80 |
numberDouble(); |
| 298 |
80 |
break; |
| 299 |
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} |
| 300 |
|
case LITERAL: |
| 301 |
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{ |
| 302 |
1184 |
literal(); |
| 303 |
1184 |
break; |
| 304 |
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} |
| 305 |
|
case LEFT_PAREN: |
| 306 |
|
{ |
| 307 |
68 |
match( LEFT_PAREN ); |
| 308 |
68 |
expr(); |
| 309 |
68 |
match( RIGHT_PAREN ); |
| 310 |
58 |
break; |
| 311 |
|
} |
| 312 |
|
case IDENTIFIER: |
| 313 |
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{ |
| 314 |
1406 |
functionCall(); |
| 315 |
1398 |
break; |
| 316 |
|
} |
| 317 |
|
case DOLLAR: |
| 318 |
|
{ |
| 319 |
44 |
variableReference(); |
| 320 |
|
break; |
| 321 |
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} |
| 322 |
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} |
| 323 |
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|
| 324 |
3910 |
predicates(); |
| 325 |
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|
| 326 |
3910 |
getXPathHandler().endFilterExpr(); |
| 327 |
3910 |
} |
| 328 |
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|
| 329 |
|
void variableReference() throws org.jaxen.saxpath.SAXPathException |
| 330 |
|
{ |
| 331 |
44 |
match( DOLLAR ); |
| 332 |
|
|
| 333 |
44 |
String prefix = null; |
| 334 |
44 |
String variableName = null; |
| 335 |
|
|
| 336 |
44 |
if ( LA(2) == COLON ) |
| 337 |
|
{ |
| 338 |
2 |
prefix = match( IDENTIFIER ).getTokenText(); |
| 339 |
2 |
match( COLON ); |
| 340 |
|
} |
| 341 |
|
else |
| 342 |
|
{ |
| 343 |
42 |
prefix = ""; |
| 344 |
|
} |
| 345 |
|
|
| 346 |
44 |
variableName = match( IDENTIFIER ).getTokenText(); |
| 347 |
|
|
| 348 |
44 |
getXPathHandler().variableReference( prefix, |
| 349 |
|
variableName ); |
| 350 |
44 |
} |
| 351 |
|
|
| 352 |
|
void locationPath(boolean isAbsolute) throws org.jaxen.saxpath.SAXPathException |
| 353 |
|
{ |
| 354 |
3304 |
switch ( LA(1) ) |
| 355 |
|
{ |
| 356 |
|
case SLASH: |
| 357 |
|
case DOUBLE_SLASH: |
| 358 |
|
{ |
| 359 |
2050 |
if ( isAbsolute ) |
| 360 |
|
{ |
| 361 |
1996 |
absoluteLocationPath(); |
| 362 |
|
} |
| 363 |
|
else |
| 364 |
|
{ |
| 365 |
54 |
relativeLocationPath(); |
| 366 |
|
} |
| 367 |
54 |
break; |
| 368 |
|
} |
| 369 |
|
case AT: |
| 370 |
|
case IDENTIFIER: |
| 371 |
|
case DOT: |
| 372 |
|
case DOT_DOT: |
| 373 |
|
case STAR: |
| 374 |
|
{ |
| 375 |
1254 |
relativeLocationPath(); |
| 376 |
1242 |
break; |
| 377 |
|
} |
| 378 |
|
default: |
| 379 |
|
{ |
| 380 |
0 |
throwUnexpected(); |
| 381 |
|
break; |
| 382 |
|
} |
| 383 |
|
} |
| 384 |
3250 |
} |
| 385 |
|
|
| 386 |
|
void absoluteLocationPath() throws org.jaxen.saxpath.SAXPathException |
| 387 |
|
{ |
| 388 |
1996 |
getXPathHandler().startAbsoluteLocationPath(); |
| 389 |
|
|
| 390 |
1996 |
switch ( LA(1) ) |
| 391 |
|
{ |
| 392 |
|
case SLASH: |
| 393 |
|
{ |
| 394 |
1668 |
match( SLASH ); |
| 395 |
|
|
| 396 |
1668 |
switch ( LA(1) ) |
| 397 |
|
{ |
| 398 |
|
|
| 399 |
|
case DOT: |
| 400 |
|
case DOT_DOT: |
| 401 |
|
case AT: |
| 402 |
|
case IDENTIFIER: |
| 403 |
|
case STAR: |
| 404 |
|
{ |
| 405 |
1344 |
steps(); |
| 406 |
|
break; |
| 407 |
|
} |
| 408 |
|
} |
| 409 |
1630 |
break; |
| 410 |
|
} |
| 411 |
|
case DOUBLE_SLASH: |
| 412 |
|
{ |
| 413 |
328 |
getXPathHandler().startAllNodeStep( Axis.DESCENDANT_OR_SELF ); |
| 414 |
328 |
getXPathHandler().endAllNodeStep(); |
| 415 |
|
|
| 416 |
328 |
match( DOUBLE_SLASH ); |
| 417 |
328 |
switch ( LA(1) ) |
| 418 |
|
{ |
| 419 |
|
case DOT: |
| 420 |
|
case DOT_DOT: |
| 421 |
|
case AT: |
| 422 |
|
case IDENTIFIER: |
| 423 |
|
case STAR: |
| 424 |
|
{ |
| 425 |
324 |
steps(); |
| 426 |
324 |
break; |
| 427 |
|
} |
| 428 |
|
default: |
| 429 |
4 |
XPathSyntaxException ex = this.createSyntaxException("Location path cannot end with //"); |
| 430 |
4 |
throw ex; |
| 431 |
|
} |
| 432 |
|
break; |
| 433 |
|
} |
| 434 |
|
} |
| 435 |
|
|
| 436 |
1954 |
getXPathHandler().endAbsoluteLocationPath(); |
| 437 |
1954 |
} |
| 438 |
|
|
| 439 |
|
void relativeLocationPath() throws org.jaxen.saxpath.SAXPathException |
| 440 |
|
{ |
| 441 |
1308 |
getXPathHandler().startRelativeLocationPath(); |
| 442 |
|
|
| 443 |
1308 |
switch ( LA(1) ) |
| 444 |
|
{ |
| 445 |
|
case SLASH: |
| 446 |
|
{ |
| 447 |
54 |
match( SLASH ); |
| 448 |
54 |
break; |
| 449 |
|
} |
| 450 |
|
case DOUBLE_SLASH: |
| 451 |
|
{ |
| 452 |
0 |
getXPathHandler().startAllNodeStep( Axis.DESCENDANT_OR_SELF ); |
| 453 |
0 |
getXPathHandler().endAllNodeStep(); |
| 454 |
|
|
| 455 |
0 |
match( DOUBLE_SLASH ); |
| 456 |
|
|
| 457 |
|
break; |
| 458 |
|
} |
| 459 |
|
} |
| 460 |
|
|
| 461 |
1308 |
steps(); |
| 462 |
|
|
| 463 |
1296 |
getXPathHandler().endRelativeLocationPath(); |
| 464 |
1296 |
} |
| 465 |
|
|
| 466 |
|
void steps() throws org.jaxen.saxpath.SAXPathException |
| 467 |
|
{ |
| 468 |
2976 |
switch ( LA(1) ) |
| 469 |
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{ |
| 470 |
|
|
| 471 |
|
case DOT: |
| 472 |
|
case DOT_DOT: |
| 473 |
|
case AT: |
| 474 |
|
case IDENTIFIER: |
| 475 |
|
case STAR: |
| 476 |
|
{ |
| 477 |
2976 |
step(); |
| 478 |
2964 |
break; |
| 479 |
|
} |
| 480 |
|
case EOF: |
| 481 |
|
{ |
| 482 |
0 |
return; |
| 483 |
|
} |
| 484 |
|
default: |
| 485 |
|
{ |
| 486 |
0 |
throw createSyntaxException( "Expected one of '.', '..', '@', '*', <QName>" ); |
| 487 |
|
} |
| 488 |
|
} |
| 489 |
|
|
| 490 |
|
do |
| 491 |
|
{ |
| 492 |
4940 |
if ( ( LA(1) == SLASH) |
| 493 |
|
|| |
| 494 |
|
( LA(1) == DOUBLE_SLASH ) ) |
| 495 |
|
{ |
| 496 |
2014 |
switch ( LA(1) ) |
| 497 |
|
{ |
| 498 |
|
case SLASH: |
| 499 |
|
{ |
| 500 |
1990 |
match( SLASH ); |
| 501 |
1990 |
break; |
| 502 |
|
} |
| 503 |
|
case DOUBLE_SLASH: |
| 504 |
|
{ |
| 505 |
24 |
getXPathHandler().startAllNodeStep( Axis.DESCENDANT_OR_SELF ); |
| 506 |
24 |
getXPathHandler().endAllNodeStep(); |
| 507 |
|
|
| 508 |
24 |
match( DOUBLE_SLASH ); |
| 509 |
2014 |
break; |
| 510 |
|
} |
| 511 |
|
} |
| 512 |
|
} |
| 513 |
|
else |
| 514 |
|
{ |
| 515 |
2926 |
return; |
| 516 |
|
} |
| 517 |
|
|
| 518 |
2014 |
switch ( LA(1) ) |
| 519 |
|
{ |
| 520 |
|
case DOT: |
| 521 |
|
case DOT_DOT: |
| 522 |
|
case AT: |
| 523 |
|
case IDENTIFIER: |
| 524 |
|
case STAR: |
| 525 |
|
{ |
| 526 |
2008 |
step(); |
| 527 |
1976 |
break; |
| 528 |
|
} |
| 529 |
|
default: |
| 530 |
|
{ |
| 531 |
6 |
throw createSyntaxException( "Expected one of '.', '..', '@', '*', <QName>" ); |
| 532 |
|
} |
| 533 |
|
} |
| 534 |
|
|
| 535 |
|
} while ( true ); |
| 536 |
|
} |
| 537 |
|
|
| 538 |
|
void step() throws org.jaxen.saxpath.SAXPathException |
| 539 |
|
{ |
| 540 |
5000 |
int axis = 0; |
| 541 |
|
|
| 542 |
5000 |
switch ( LA(1) ) |
| 543 |
|
{ |
| 544 |
|
case DOT: |
| 545 |
|
case DOT_DOT: |
| 546 |
|
{ |
| 547 |
206 |
abbrStep(); |
| 548 |
206 |
return; |
| 549 |
|
} |
| 550 |
|
case AT: |
| 551 |
|
{ |
| 552 |
432 |
axis = axisSpecifier(); |
| 553 |
432 |
break; |
| 554 |
|
} |
| 555 |
|
case IDENTIFIER: |
| 556 |
|
{ |
| 557 |
3890 |
if ( LA(2) == DOUBLE_COLON ) |
| 558 |
|
{ |
| 559 |
848 |
axis = axisSpecifier(); |
| 560 |
|
} |
| 561 |
|
else |
| 562 |
|
{ |
| 563 |
3042 |
axis = Axis.CHILD; |
| 564 |
|
} |
| 565 |
3042 |
break; |
| 566 |
|
} |
| 567 |
|
case STAR: |
| 568 |
|
{ |
| 569 |
472 |
axis = Axis.CHILD; |
| 570 |
|
break; |
| 571 |
|
} |
| 572 |
|
} |
| 573 |
|
|
| 574 |
4790 |
nodeTest( axis ); |
| 575 |
4750 |
} |
| 576 |
|
|
| 577 |
|
int axisSpecifier() throws org.jaxen.saxpath.SAXPathException |
| 578 |
|
{ |
| 579 |
1280 |
int axis = 0; |
| 580 |
|
|
| 581 |
1280 |
switch ( LA(1) ) |
| 582 |
|
{ |
| 583 |
|
case AT: |
| 584 |
|
{ |
| 585 |
432 |
match( AT ); |
| 586 |
432 |
axis = Axis.ATTRIBUTE; |
| 587 |
432 |
break; |
| 588 |
|
} |
| 589 |
|
case IDENTIFIER: |
| 590 |
|
{ |
| 591 |
848 |
Token token = LT( 1 ); |
| 592 |
|
|
| 593 |
848 |
axis = Axis.lookup( token.getTokenText() ); |
| 594 |
|
|
| 595 |
848 |
if ( axis == Axis.INVALID_AXIS ) |
| 596 |
|
{ |
| 597 |
4 |
throwInvalidAxis( token.getTokenText() ); |
| 598 |
|
} |
| 599 |
|
|
| 600 |
844 |
match( IDENTIFIER ); |
| 601 |
844 |
match( DOUBLE_COLON ); |
| 602 |
|
|
| 603 |
844 |
break; |
| 604 |
|
} |
| 605 |
|
} |
| 606 |
|
|
| 607 |
1276 |
return axis; |
| 608 |
|
} |
| 609 |
|
|
| 610 |
|
void nodeTest(int axis) throws org.jaxen.saxpath.SAXPathException |
| 611 |
|
{ |
| 612 |
4790 |
switch ( LA(1) ) |
| 613 |
|
{ |
| 614 |
|
case IDENTIFIER: |
| 615 |
|
{ |
| 616 |
3918 |
switch ( LA(2) ) |
| 617 |
|
{ |
| 618 |
|
case LEFT_PAREN: |
| 619 |
|
{ |
| 620 |
382 |
nodeTypeTest( axis ); |
| 621 |
378 |
break; |
| 622 |
|
} |
| 623 |
|
default: |
| 624 |
|
{ |
| 625 |
3536 |
nameTest( axis ); |
| 626 |
3516 |
break; |
| 627 |
|
} |
| 628 |
|
} |
| 629 |
|
break; |
| 630 |
|
} |
| 631 |
|
case STAR: |
| 632 |
|
{ |
| 633 |
856 |
nameTest( axis ); |
| 634 |
856 |
break; |
| 635 |
|
} |
| 636 |
|
default: |
| 637 |
16 |
throw createSyntaxException("Expected <QName> or *"); |
| 638 |
|
} |
| 639 |
4750 |
} |
| 640 |
|
|
| 641 |
|
void nodeTypeTest(int axis) throws org.jaxen.saxpath.SAXPathException |
| 642 |
|
{ |
| 643 |
382 |
Token nodeTypeToken = match( IDENTIFIER ); |
| 644 |
382 |
String nodeType = nodeTypeToken.getTokenText(); |
| 645 |
|
|
| 646 |
382 |
match( LEFT_PAREN ); |
| 647 |
|
|
| 648 |
382 |
if ( "processing-instruction".equals( nodeType ) ) |
| 649 |
|
{ |
| 650 |
74 |
String piName = ""; |
| 651 |
|
|
| 652 |
74 |
if ( LA(1) == LITERAL ) |
| 653 |
|
{ |
| 654 |
18 |
piName = match( LITERAL ).getTokenText(); |
| 655 |
|
} |
| 656 |
|
|
| 657 |
74 |
match( RIGHT_PAREN ); |
| 658 |
|
|
| 659 |
74 |
getXPathHandler().startProcessingInstructionNodeStep( axis, |
| 660 |
|
piName ); |
| 661 |
|
|
| 662 |
74 |
predicates(); |
| 663 |
|
|
| 664 |
74 |
getXPathHandler().endProcessingInstructionNodeStep(); |
| 665 |
|
} |
| 666 |
308 |
else if ( "node".equals( nodeType ) ) |
| 667 |
|
{ |
| 668 |
174 |
match( RIGHT_PAREN ); |
| 669 |
|
|
| 670 |
174 |
getXPathHandler().startAllNodeStep( axis ); |
| 671 |
|
|
| 672 |
174 |
predicates(); |
| 673 |
|
|
| 674 |
174 |
getXPathHandler().endAllNodeStep(); |
| 675 |
|
} |
| 676 |
134 |
else if ( "text".equals( nodeType ) ) |
| 677 |
|
{ |
| 678 |
82 |
match( RIGHT_PAREN ); |
| 679 |
|
|
| 680 |
82 |
getXPathHandler().startTextNodeStep( axis ); |
| 681 |
|
|
| 682 |
82 |
predicates(); |
| 683 |
|
|
| 684 |
82 |
getXPathHandler().endTextNodeStep(); |
| 685 |
|
} |
| 686 |
52 |
else if ( "comment".equals( nodeType ) ) |
| 687 |
|
{ |
| 688 |
48 |
match( RIGHT_PAREN ); |
| 689 |
|
|
| 690 |
48 |
getXPathHandler().startCommentNodeStep( axis ); |
| 691 |
|
|
| 692 |
48 |
predicates(); |
| 693 |
|
|
| 694 |
48 |
getXPathHandler().endCommentNodeStep(); |
| 695 |
|
} |
| 696 |
|
else |
| 697 |
|
{ |
| 698 |
4 |
throw createSyntaxException( "Expected node-type" ); |
| 699 |
|
} |
| 700 |
378 |
} |
| 701 |
|
|
| 702 |
|
void nameTest(int axis) throws org.jaxen.saxpath.SAXPathException |
| 703 |
|
{ |
| 704 |
4392 |
String prefix = null; |
| 705 |
4392 |
String localName = null; |
| 706 |
|
|
| 707 |
4392 |
switch ( LA(2) ) |
| 708 |
|
{ |
| 709 |
|
case COLON: |
| 710 |
|
{ |
| 711 |
174 |
switch ( LA(1) ) |
| 712 |
|
{ |
| 713 |
|
case IDENTIFIER: |
| 714 |
|
{ |
| 715 |
172 |
prefix = match( IDENTIFIER ).getTokenText(); |
| 716 |
172 |
match( COLON ); |
| 717 |
|
break; |
| 718 |
|
} |
| 719 |
|
} |
| 720 |
|
break; |
| 721 |
|
} |
| 722 |
|
} |
| 723 |
|
|
| 724 |
4392 |
switch ( LA(1) ) |
| 725 |
|
{ |
| 726 |
|
case IDENTIFIER: |
| 727 |
|
{ |
| 728 |
3532 |
localName = match( IDENTIFIER ).getTokenText(); |
| 729 |
3532 |
break; |
| 730 |
|
} |
| 731 |
|
case STAR: |
| 732 |
|
{ |
| 733 |
860 |
match( STAR ); |
| 734 |
860 |
localName = "*"; |
| 735 |
|
break; |
| 736 |
|
} |
| 737 |
|
} |
| 738 |
|
|
| 739 |
4392 |
if ( prefix == null ) |
| 740 |
|
{ |
| 741 |
4220 |
prefix = ""; |
| 742 |
|
} |
| 743 |
|
|
| 744 |
4392 |
getXPathHandler().startNameStep( axis, |
| 745 |
|
prefix, |
| 746 |
|
localName ); |
| 747 |
|
|
| 748 |
4392 |
predicates(); |
| 749 |
|
|
| 750 |
4372 |
getXPathHandler().endNameStep(); |
| 751 |
4372 |
} |
| 752 |
|
|
| 753 |
|
void abbrStep() throws org.jaxen.saxpath.SAXPathException |
| 754 |
|
{ |
| 755 |
206 |
switch ( LA(1) ) |
| 756 |
|
{ |
| 757 |
|
case DOT: |
| 758 |
|
{ |
| 759 |
146 |
match( DOT ); |
| 760 |
146 |
getXPathHandler().startAllNodeStep( Axis.SELF ); |
| 761 |
146 |
predicates(); |
| 762 |
146 |
getXPathHandler().endAllNodeStep(); |
| 763 |
146 |
break; |
| 764 |
|
} |
| 765 |
|
case DOT_DOT: |
| 766 |
|
{ |
| 767 |
60 |
match( DOT_DOT ); |
| 768 |
60 |
getXPathHandler().startAllNodeStep( Axis.PARENT ); |
| 769 |
60 |
predicates(); |
| 770 |
60 |
getXPathHandler().endAllNodeStep(); |
| 771 |
|
break; |
| 772 |
|
} |
| 773 |
|
} |
| 774 |
206 |
} |
| 775 |
|
|
| 776 |
|
void predicates() throws org.jaxen.saxpath.SAXPathException |
| 777 |
|
{ |
| 778 |
|
while (true ) |
| 779 |
|
{ |
| 780 |
9658 |
if ( LA(1) == LEFT_BRACKET ) |
| 781 |
|
{ |
| 782 |
792 |
predicate(); |
| 783 |
|
} |
| 784 |
|
else |
| 785 |
|
{ |
| 786 |
|
break; |
| 787 |
|
} |
| 788 |
|
} |
| 789 |
8866 |
} |
| 790 |
|
|
| 791 |
|
void predicate() throws org.jaxen.saxpath.SAXPathException |
| 792 |
|
{ |
| 793 |
794 |
getXPathHandler().startPredicate(); |
| 794 |
|
|
| 795 |
794 |
match( LEFT_BRACKET ); |
| 796 |
|
|
| 797 |
794 |
predicateExpr(); |
| 798 |
|
|
| 799 |
792 |
match( RIGHT_BRACKET ); |
| 800 |
|
|
| 801 |
774 |
getXPathHandler().endPredicate(); |
| 802 |
774 |
} |
| 803 |
|
|
| 804 |
|
void predicateExpr() throws org.jaxen.saxpath.SAXPathException |
| 805 |
|
{ |
| 806 |
794 |
expr(); |
| 807 |
792 |
} |
| 808 |
|
|
| 809 |
|
void expr() throws org.jaxen.saxpath.SAXPathException |
| 810 |
|
{ |
| 811 |
5974 |
orExpr(); |
| 812 |
5892 |
} |
| 813 |
|
|
| 814 |
|
void orExpr() throws org.jaxen.saxpath.SAXPathException |
| 815 |
|
{ |
| 816 |
5980 |
getXPathHandler().startOrExpr(); |
| 817 |
|
|
| 818 |
5980 |
andExpr(); |
| 819 |
|
|
| 820 |
5898 |
boolean create = false; |
| 821 |
|
|
| 822 |
5898 |
switch ( LA(1) ) |
| 823 |
|
{ |
| 824 |
|
case OR: |
| 825 |
|
{ |
| 826 |
6 |
create = true; |
| 827 |
6 |
match( OR ); |
| 828 |
6 |
orExpr(); |
| 829 |
|
break; |
| 830 |
|
} |
| 831 |
|
} |
| 832 |
|
|
| 833 |
5898 |
getXPathHandler().endOrExpr( create ); |
| 834 |
5898 |
} |
| 835 |
|
|
| 836 |
|
void andExpr() throws org.jaxen.saxpath.SAXPathException |
| 837 |
|
{ |
| 838 |
6108 |
getXPathHandler().startAndExpr(); |
| 839 |
|
|
| 840 |
6108 |
equalityExpr(); |
| 841 |
|
|
| 842 |
6026 |
boolean create = false; |
| 843 |
|
|
| 844 |
6026 |
switch ( LA(1) ) |
| 845 |
|
{ |
| 846 |
|
case AND: |
| 847 |
|
{ |
| 848 |
128 |
create = true; |
| 849 |
128 |
match( AND ); |
| 850 |
128 |
andExpr(); |
| 851 |
|
break; |
| 852 |
|
} |
| 853 |
|
} |
| 854 |
|
|
| 855 |
6024 |
getXPathHandler().endAndExpr( create ); |
| 856 |
6024 |
} |
| 857 |
|
|
| 858 |
|
void equalityExpr() throws org.jaxen.saxpath.SAXPathException |
| 859 |
|
{ |
| 860 |
6124 |
getXPathHandler().startEqualityExpr(); |
| 861 |
6124 |
getXPathHandler().startEqualityExpr(); |
| 862 |
|
|
| 863 |
6124 |
relationalExpr(); |
| 864 |
|
|
| 865 |
6042 |
int operator = Operator.NO_OP; |
| 866 |
|
|
| 867 |
6042 |
switch ( LA(1) ) |
| 868 |
|
{ |
| 869 |
|
case EQUALS: |
| 870 |
|
{ |
| 871 |
532 |
match( EQUALS ); |
| 872 |
532 |
relationalExpr(); |
| 873 |
532 |
operator = Operator.EQUALS; |
| 874 |
532 |
break; |
| 875 |
|
} |
| 876 |
|
case NOT_EQUALS: |
| 877 |
|
{ |
| 878 |
30 |
match( NOT_EQUALS ); |
| 879 |
30 |
relationalExpr(); |
| 880 |
30 |
operator = Operator.NOT_EQUALS; |
| 881 |
|
break; |
| 882 |
|
} |
| 883 |
|
} |
| 884 |
|
|
| 885 |
6042 |
getXPathHandler().endEqualityExpr( operator ); |
| 886 |
|
|
| 887 |
6042 |
operator = Operator.NO_OP; |
| 888 |
|
|
| 889 |
6042 |
switch ( LA(1) ) |
| 890 |
|
{ |
| 891 |
|
case EQUALS: |
| 892 |
|
{ |
| 893 |
8 |
match( EQUALS ); |
| 894 |
8 |
equalityExpr(); |
| 895 |
8 |
operator = Operator.EQUALS; |
| 896 |
8 |
break; |
| 897 |
|
} |
| 898 |
|
case NOT_EQUALS: |
| 899 |
|
{ |
| 900 |
8 |
match( NOT_EQUALS ); |
| 901 |
8 |
equalityExpr(); |
| 902 |
8 |
operator = Operator.NOT_EQUALS; |
| 903 |
|
break; |
| 904 |
|
} |
| 905 |
|
} |
| 906 |
|
|
| 907 |
6042 |
getXPathHandler().endEqualityExpr( operator ); |
| 908 |
6042 |
} |
| 909 |
|
|
| 910 |
|
void relationalExpr() throws org.jaxen.saxpath.SAXPathException |
| 911 |
|
{ |
| 912 |
6718 |
getXPathHandler().startRelationalExpr(); |
| 913 |
6718 |
getXPathHandler().startRelationalExpr(); |
| 914 |
|
|
| 915 |
6718 |
additiveExpr(); |
| 916 |
|
|
| 917 |
6636 |
int operator = Operator.NO_OP; |
| 918 |
|
|
| 919 |
6636 |
switch ( LA(1) ) |
| 920 |
|
{ |
| 921 |
|
case LESS_THAN: |
| 922 |
|
{ |
| 923 |
34 |
match( LESS_THAN ); |
| 924 |
34 |
additiveExpr(); |
| 925 |
34 |
operator = Operator.LESS_THAN; |
| 926 |
34 |
break; |
| 927 |
|
} |
| 928 |
|
case GREATER_THAN: |
| 929 |
|
{ |
| 930 |
34 |
match( GREATER_THAN ); |
| 931 |
34 |
additiveExpr(); |
| 932 |
34 |
operator = Operator.GREATER_THAN; |
| 933 |
34 |
break; |
| 934 |
|
} |
| 935 |
|
case LESS_THAN_EQUALS: |
| 936 |
|
{ |
| 937 |
16 |
match( LESS_THAN_EQUALS ); |
| 938 |
16 |
additiveExpr(); |
| 939 |
16 |
operator = Operator.LESS_THAN_EQUALS; |
| 940 |
16 |
break; |
| 941 |
|
} |
| 942 |
|
case GREATER_THAN_EQUALS: |
| 943 |
|
{ |
| 944 |
24 |
match( GREATER_THAN_EQUALS ); |
| 945 |
24 |
additiveExpr(); |
| 946 |
24 |
operator = Operator.GREATER_THAN_EQUALS; |
| 947 |
|
break; |
| 948 |
|
} |
| 949 |
|
} |
| 950 |
|
|
| 951 |
6636 |
getXPathHandler().endRelationalExpr( operator ); |
| 952 |
|
|
| 953 |
6636 |
operator = Operator.NO_OP; |
| 954 |
|
|
| 955 |
6636 |
switch ( LA(1) ) |
| 956 |
|
{ |
| 957 |
|
case LESS_THAN: |
| 958 |
|
{ |
| 959 |
8 |
match( LESS_THAN ); |
| 960 |
8 |
relationalExpr(); |
| 961 |
8 |
operator = Operator.LESS_THAN; |
| 962 |
8 |
break; |
| 963 |
|
} |
| 964 |
|
case GREATER_THAN: |
| 965 |
|
{ |
| 966 |
8 |
match( GREATER_THAN ); |
| 967 |
8 |
relationalExpr(); |
| 968 |
8 |
operator = Operator.GREATER_THAN; |
| 969 |
8 |
break; |
| 970 |
|
} |
| 971 |
|
case LESS_THAN_EQUALS: |
| 972 |
|
{ |
| 973 |
8 |
match( LESS_THAN_EQUALS ); |
| 974 |
8 |
relationalExpr(); |
| 975 |
8 |
operator = Operator.LESS_THAN_EQUALS; |
| 976 |
8 |
break; |
| 977 |
|
} |
| 978 |
|
case GREATER_THAN_EQUALS: |
| 979 |
|
{ |
| 980 |
8 |
match( GREATER_THAN_EQUALS ); |
| 981 |
8 |
relationalExpr(); |
| 982 |
8 |
operator = Operator.GREATER_THAN_EQUALS; |
| 983 |
|
break; |
| 984 |
|
} |
| 985 |
|
} |
| 986 |
|
|
| 987 |
6636 |
getXPathHandler().endRelationalExpr( operator ); |
| 988 |
6636 |
} |
| 989 |
|
|
| 990 |
|
void additiveExpr() throws org.jaxen.saxpath.SAXPathException |
| 991 |
|
{ |
| 992 |
6876 |
getXPathHandler().startAdditiveExpr(); |
| 993 |
6876 |
getXPathHandler().startAdditiveExpr(); |
| 994 |
|
|
| 995 |
6876 |
multiplicativeExpr(); |
| 996 |
|
|
| 997 |
6794 |
int operator = Operator.NO_OP; |
| 998 |
|
|
| 999 |
6794 |
switch ( LA(1) ) |
| 1000 |
|
{ |
| 1001 |
|
case PLUS: |
| 1002 |
|
{ |
| 1003 |
108 |
match( PLUS ); |
| 1004 |
108 |
operator = Operator.ADD; |
| 1005 |
108 |
multiplicativeExpr(); |
| 1006 |
108 |
break; |
| 1007 |
|
} |
| 1008 |
|
case MINUS: |
| 1009 |
|
{ |
| 1010 |
52 |
match( MINUS ); |
| 1011 |
52 |
operator = Operator.SUBTRACT; |
| 1012 |
52 |
multiplicativeExpr(); |
| 1013 |
|
break; |
| 1014 |
|
} |
| 1015 |
|
} |
| 1016 |
|
|
| 1017 |
6794 |
getXPathHandler().endAdditiveExpr( operator ); |
| 1018 |
|
|
| 1019 |
|
|
| 1020 |
6794 |
operator = Operator.NO_OP; |
| 1021 |
6794 |
switch ( LA(1) ) |
| 1022 |
|
{ |
| 1023 |
|
case PLUS: |
| 1024 |
|
{ |
| 1025 |
30 |
match( PLUS ); |
| 1026 |
30 |
operator = Operator.ADD; |
| 1027 |
30 |
additiveExpr(); |
| 1028 |
30 |
break; |
| 1029 |
|
} |
| 1030 |
|
case MINUS: |
| 1031 |
|
{ |
| 1032 |
20 |
match( MINUS ); |
| 1033 |
20 |
operator = Operator.SUBTRACT; |
| 1034 |
20 |
additiveExpr(); |
| 1035 |
20 |
break; |
| 1036 |
|
} |
| 1037 |
|
default: |
| 1038 |
|
{ |
| 1039 |
6744 |
operator = Operator.NO_OP; |
| 1040 |
|
break; |
| 1041 |
|
} |
| 1042 |
|
} |
| 1043 |
|
|
| 1044 |
6794 |
getXPathHandler().endAdditiveExpr( operator ); |
| 1045 |
6794 |
} |
| 1046 |
|
|
| 1047 |
|
void multiplicativeExpr() throws org.jaxen.saxpath.SAXPathException |
| 1048 |
|
{ |
| 1049 |
7052 |
getXPathHandler().startMultiplicativeExpr(); |
| 1050 |
7052 |
getXPathHandler().startMultiplicativeExpr(); |
| 1051 |
|
|
| 1052 |
7052 |
unaryExpr(); |
| 1053 |
|
|
| 1054 |
6970 |
int operator = Operator.NO_OP; |
| 1055 |
|
|
| 1056 |
6970 |
switch ( LA(1) ) |
| 1057 |
|
{ |
| 1058 |
|
case STAR: |
| 1059 |
|
{ |
| 1060 |
50 |
match( STAR ); |
| 1061 |
50 |
unaryExpr(); |
| 1062 |
50 |
operator = Operator.MULTIPLY; |
| 1063 |
50 |
break; |
| 1064 |
|
} |
| 1065 |
|
case DIV: |
| 1066 |
|
{ |
| 1067 |
68 |
match( DIV ); |
| 1068 |
68 |
unaryExpr(); |
| 1069 |
68 |
operator = Operator.DIV; |
| 1070 |
68 |
break; |
| 1071 |
|
} |
| 1072 |
|
case MOD: |
| 1073 |
|
{ |
| 1074 |
12 |
match( MOD ); |
| 1075 |
12 |
unaryExpr(); |
| 1076 |
12 |
operator = Operator.MOD; |
| 1077 |
|
break; |
| 1078 |
|
} |
| 1079 |
|
} |
| 1080 |
|
|
| 1081 |
6970 |
getXPathHandler().endMultiplicativeExpr( operator ); |
| 1082 |
|
|
| 1083 |
6970 |
operator = Operator.NO_OP; |
| 1084 |
|
|
| 1085 |
6970 |
switch ( LA(1) ) |
| 1086 |
|
{ |
| 1087 |
|
case STAR: |
| 1088 |
|
{ |
| 1089 |
0 |
match( STAR ); |
| 1090 |
0 |
multiplicativeExpr(); |
| 1091 |
0 |
operator = Operator.MULTIPLY; |
| 1092 |
0 |
break; |
| 1093 |
|
} |
| 1094 |
|
case DIV: |
| 1095 |
|
{ |
| 1096 |
8 |
match( DIV ); |
| 1097 |
8 |
multiplicativeExpr(); |
| 1098 |
8 |
operator = Operator.DIV; |
| 1099 |
8 |
break; |
| 1100 |
|
} |
| 1101 |
|
case MOD: |
| 1102 |
|
{ |
| 1103 |
8 |
match( MOD ); |
| 1104 |
8 |
multiplicativeExpr(); |
| 1105 |
8 |
operator = Operator.MOD; |
| 1106 |
|
break; |
| 1107 |
|
} |
| 1108 |
|
} |
| 1109 |
|
|
| 1110 |
6970 |
getXPathHandler().endMultiplicativeExpr( operator ); |
| 1111 |
6970 |
} |
| 1112 |
|
|
| 1113 |
|
void unaryExpr() throws org.jaxen.saxpath.SAXPathException |
| 1114 |
|
{ |
| 1115 |
7244 |
getXPathHandler().startUnaryExpr(); |
| 1116 |
|
|
| 1117 |
7244 |
int operator = Operator.NO_OP; |
| 1118 |
|
|
| 1119 |
7244 |
switch ( LA(1) ) |
| 1120 |
|
{ |
| 1121 |
|
case MINUS: |
| 1122 |
|
{ |
| 1123 |
62 |
match( MINUS ); |
| 1124 |
62 |
operator = Operator.NEGATIVE; |
| 1125 |
62 |
unaryExpr(); |
| 1126 |
62 |
break; |
| 1127 |
|
} |
| 1128 |
|
default: |
| 1129 |
|
{ |
| 1130 |
7182 |
unionExpr(); |
| 1131 |
|
break; |
| 1132 |
|
} |
| 1133 |
|
} |
| 1134 |
|
|
| 1135 |
7162 |
getXPathHandler().endUnaryExpr( operator ); |
| 1136 |
7162 |
} |
| 1137 |
|
|
| 1138 |
|
void unionExpr() throws org.jaxen.saxpath.SAXPathException |
| 1139 |
|
{ |
| 1140 |
7182 |
getXPathHandler().startUnionExpr(); |
| 1141 |
|
|
| 1142 |
7182 |
pathExpr(); |
| 1143 |
|
|
| 1144 |
7100 |
boolean create = false; |
| 1145 |
|
|
| 1146 |
7100 |
switch ( LA(1) ) |
| 1147 |
|
{ |
| 1148 |
|
case PIPE: |
| 1149 |
|
{ |
| 1150 |
40 |
match( PIPE ); |
| 1151 |
40 |
create = true; |
| 1152 |
40 |
expr(); |
| 1153 |
|
break; |
| 1154 |
|
} |
| 1155 |
|
} |
| 1156 |
|
|
| 1157 |
7100 |
getXPathHandler().endUnionExpr( create ); |
| 1158 |
7100 |
} |
| 1159 |
|
|
| 1160 |
|
Token match(int tokenType) throws XPathSyntaxException |
| 1161 |
|
{ |
| 1162 |
22536 |
LT(1); |
| 1163 |
|
|
| 1164 |
22536 |
Token token = (Token) tokens.get( 0 ); |
| 1165 |
|
|
| 1166 |
22536 |
if ( token.getTokenType() == tokenType ) |
| 1167 |
|
{ |
| 1168 |
22508 |
tokens.removeFirst(); |
| 1169 |
22508 |
return token; |
| 1170 |
|
} |
| 1171 |
|
|
| 1172 |
28 |
throw createSyntaxException( "Expected: " + getTokenText( tokenType ) ); |
| 1173 |
|
} |
| 1174 |
|
|
| 1175 |
|
int LA(int position) |
| 1176 |
|
{ |
| 1177 |
170494 |
return LT(position).getTokenType(); |
| 1178 |
|
} |
| 1179 |
|
|
| 1180 |
|
Token LT(int position) |
| 1181 |
|
{ |
| 1182 |
195428 |
if ( tokens.size() <= ( position - 1 ) ) |
| 1183 |
|
{ |
| 1184 |
47116 |
for ( int i = 0 ; i < position ; ++i ) |
| 1185 |
|
{ |
| 1186 |
27100 |
tokens.add( lexer.nextToken() ); |
| 1187 |
|
} |
| 1188 |
|
} |
| 1189 |
|
|
| 1190 |
195428 |
return (Token) tokens.get( position - 1 ); |
| 1191 |
|
} |
| 1192 |
|
|
| 1193 |
|
boolean isNodeTypeName(Token name) |
| 1194 |
|
{ |
| 1195 |
1434 |
String text = name.getTokenText(); |
| 1196 |
|
|
| 1197 |
1434 |
if ( "node".equals( text ) |
| 1198 |
|
|| |
| 1199 |
|
"comment".equals( text ) |
| 1200 |
|
|| |
| 1201 |
|
"text".equals( text ) |
| 1202 |
|
|| |
| 1203 |
|
"processing-instruction".equals( text ) ) |
| 1204 |
|
{ |
| 1205 |
28 |
return true; |
| 1206 |
|
} |
| 1207 |
|
|
| 1208 |
1406 |
return false; |
| 1209 |
|
} |
| 1210 |
|
|
| 1211 |
|
XPathSyntaxException createSyntaxException(String message) |
| 1212 |
|
{ |
| 1213 |
86 |
String xpath = this.lexer.getXPath(); |
| 1214 |
86 |
int position = LT(1).getTokenBegin(); |
| 1215 |
|
|
| 1216 |
86 |
return new XPathSyntaxException( xpath, |
| 1217 |
|
position, |
| 1218 |
|
message ); |
| 1219 |
|
} |
| 1220 |
|
|
| 1221 |
|
void throwInvalidAxis(String invalidAxis) throws org.jaxen.saxpath.SAXPathException |
| 1222 |
|
{ |
| 1223 |
4 |
String xpath = this.lexer.getXPath(); |
| 1224 |
4 |
int position = LT(1).getTokenBegin(); |
| 1225 |
|
|
| 1226 |
4 |
String message = "Expected valid axis name instead of [" + invalidAxis + "]"; |
| 1227 |
|
|
| 1228 |
4 |
throw new XPathSyntaxException( xpath, |
| 1229 |
|
position, |
| 1230 |
|
message ); |
| 1231 |
|
} |
| 1232 |
|
|
| 1233 |
|
void throwUnexpected() throws org.jaxen.saxpath.SAXPathException |
| 1234 |
|
{ |
| 1235 |
26 |
throw createSyntaxException( "Unexpected '" + LT(1).getTokenText() + "'" ); |
| 1236 |
|
} |
| 1237 |
|
} |