Examples of com.google.refine.grel.ast.VariableExpr

com.google.refine.grel.ast.VariableExpr
An abstract syntax tree node encapsulating the retrieval of a variable's content.

        } else if (_token.type == TokenType.Identifier) {
            String text = _token.text;
            next(false);


            if (_token == null || _token.type != TokenType.Delimiter || !_token.text.equals("(")) {
                eval = "null".equals(text) ? new LiteralExpr(null) : new VariableExpr(text);
            } else if( "PI".equals(text) ) {
                eval = new LiteralExpr(Math.PI);
                next(false);
            } else {
                Function f = ControlFunctionRegistry.getFunction(text);

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            return null;
        } else if ("regex".equals(_mode) && _pattern == null) {
            return null;
        }
        
        Evaluable eval = new VariableExpr("value");
        
        if ("regex".equals(_mode)) {
            return new ExpressionStringComparisonRowFilter(eval, _columnName, _cellIndex) {
                @Override
                protected boolean checkValue(String s) {

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                    fragments.add(
                            new DynamicFragment(
                                    new FieldAccessorExpr(
                                            new FieldAccessorExpr(
                                                    new VariableExpr("cells"), 
                                                    columnName), 
                                    "value")));


                    continue;
                }

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Related Classes of com.google.refine.grel.ast.VariableExpr

com.google.refine.browsing.facets.TextSearchFacet

com.google.refine.grel.Parser

com.google.refine.templating.Parser

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