Revision 44098 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/SQLLexicalAnalyzer.java
| SQLLexicalAnalyzer.java | ||
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| 1 | 1 |
package org.gvsig.expressionevaluator.impl; |
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import org.gvsig.expressionevaluator.ExpressionSyntaxException; |
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import org.gvsig.expressionevaluator.spi.AbstractLexicalAnalyzer; |
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import org.gvsig.expressionevaluator.LexicalAnalyzer; |
| 5 | 6 |
|
| ... | ... | |
| 62 | 63 |
case '<': |
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ch = getch(); |
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switch( ch ) {
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case EOF: |
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throw new ExpressionSyntaxException(I18N.unexpected_end_of_source(), this); |
|
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case '>': |
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token.set(Token.OP_NE, "<>"); |
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return token; |
| ... | ... | |
| 75 | 78 |
|
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case '>': |
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ch = getch(); |
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if( ch == '=' ) {
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switch( ch ) {
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case EOF: |
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throw new ExpressionSyntaxException(I18N.unexpected_end_of_source(), this); |
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case '=': |
|
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token.set(Token.OP_GE, ">="); |
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return token; |
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} |
| ... | ... | |
| 96 | 102 |
token.set(Token.PARENTHESIS_CLOSE, ")"); |
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return token; |
| 98 | 104 |
case '+': |
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ch = getch(); |
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if( !Character.isDigit(ch) ) {
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ungetch(); |
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token.set(Token.OP_ADD, "+"); |
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return token; |
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} |
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ungetch(); |
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parseNumber(); |
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token.setLiteral("+" + token.getLiteral());
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token.set(Token.OP_ADD, "+"); |
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return token; |
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// ch = getch(); |
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// if( ch == EOF ) {
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// throw new ExpressionSyntaxException(I18N.unexpected_end_of_source(), this); |
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// } |
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// if( !Character.isDigit(ch) ) {
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// ungetch(); |
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// token.set(Token.OP_ADD, "+"); |
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// return token; |
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// } |
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// ungetch(); |
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// parseNumber(); |
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// token.setLiteral("+" + token.getLiteral());
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// return token; |
|
| 109 | 120 |
case '-': |
| 110 | 121 |
ch = getch(); |
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if( ch=='>' ) {
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switch( ch ) {
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case EOF: |
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throw new ExpressionSyntaxException(I18N.unexpected_end_of_source(), this); |
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case '>': |
|
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// SQL Extension to access object methods and attributes |
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token.set(Token.OP_GETATTR, "->"); |
| 114 | 128 |
return token; |
| 115 | 129 |
} |
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if( Character.isDigit(ch) ) {
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ungetch(); |
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ungetch(); |
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parseNumber(); |
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return token; |
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} |
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// if( Character.isDigit(ch) ) {
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// ungetch(); |
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// ungetch(); |
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// parseNumber(); |
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// return token; |
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// } |
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ungetch(); |
|
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token.set(Token.OP_SUBST, "-"); |
| 123 | 138 |
return token; |
| 124 | 139 |
|
| ... | ... | |
| 127 | 142 |
ch = getch(); |
| 128 | 143 |
while( ch != '"' ) {
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if( ch == EOF ) {
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throw new RuntimeException("Found end of source and expected end of string");
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throw new ExpressionSyntaxException(I18N.End_of_string_was_expected_and_end_of_source_was_found(), this);
|
|
| 131 | 146 |
} |
| 132 | 147 |
buffer.add(ch); |
| 133 | 148 |
ch = getch(); |
| 134 | 149 |
} |
| 135 | 150 |
if( buffer.length() < 1 ) {
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throw new RuntimeException();
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throw new ExpressionSyntaxException(I18N.Incorrect_string_length(), this);
|
|
| 137 | 152 |
} |
| 138 | 153 |
token.set(Token.IDENTIFIER, buffer.toString()); |
| 139 | 154 |
return token; |
| ... | ... | |
| 143 | 158 |
ch = getch(); |
| 144 | 159 |
while( ch != ']' ) {
|
| 145 | 160 |
if( ch == EOF ) {
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throw new RuntimeException("Found end of source and expected end of string");
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throw new ExpressionSyntaxException(I18N.Closing_square_bracket_was_expected_and_end_of_source_was_found(), this);
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|
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} |
| 148 | 163 |
buffer.add(ch); |
| 149 | 164 |
ch = getch(); |
| 150 | 165 |
} |
| 151 | 166 |
if( buffer.length() < 1 ) {
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throw new RuntimeException();
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throw new ExpressionSyntaxException(I18N.Incorrect_identifier_length(), this);
|
|
| 153 | 168 |
} |
| 154 | 169 |
token.set(Token.IDENTIFIER, buffer.toString()); |
| 155 | 170 |
return token; |
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