FunctionalExpression fe = (FunctionalExpression) expressionItem; sb.append("(double)Math.") .append(fe.getFunction().toString()) .append("("); String postfix = "";
public static String toString(RuleLineElementWithValue<ExpressionItem> ruleLineElement, ExpressionItem expressionItem, String language) { if (expressionItem instanceof Variable) { return getVariableName(ruleLineElement, (Variable) expressionItem, language); } else if (expressionItem instanceof BinaryExpression) { BinaryExpression be = (BinaryExpression) expressionItem; return "(" + toString(ruleLineElement, be.getLeft(), language) + " " + be.getOperator().getSymbol() + " " + toString(ruleLineElement, be.getRight(), language) + ")"; } else if (expressionItem instanceof UnaryExpression) { UnaryExpression ue = (UnaryExpression) expressionItem; return ue.getOperator().getSymbol() + "(" + toString(ruleLineElement, ue.getOperand(), language) + ")"; } else if (expressionItem instanceof FunctionalExpression) { FunctionalExpression fe = (FunctionalExpression) expressionItem; StringBuilder sb = new StringBuilder(); String postFix = ""; for (ExpressionItem ei : fe.getItems()) { sb.append(postFix) .append(toString(ruleLineElement, ei, language)); postFix = ","; } return "(" + fe.getFunction().toString() + "(" + sb.toString() + "))"; } else if (expressionItem instanceof StringConstant) { return expressionItem.toString(); } else { return expressionItem != null ? expressionItem.toString().replace(",", " ") : null; } }
public static String getEditableExpressionString(ExpressionItem expressionItem) { if (expressionItem instanceof Variable) { Variable var = (Variable) expressionItem; String attributePostfix = var.getAttribute() != null ? "." + var.getAttribute() : ""; return "$" + var.getCode() + attributePostfix; } else if (expressionItem instanceof BinaryExpression) { BinaryExpression be = (BinaryExpression) expressionItem; return "(" + getEditableExpressionString(be.getLeft()) + " " + be.getOperator().getSymbol() + " " + getEditableExpressionString(be.getRight()) + ")"; } else if (expressionItem instanceof UnaryExpression) { UnaryExpression ue = (UnaryExpression) expressionItem; return ue.getOperator().getSymbol() + "(" + getEditableExpressionString(ue.getOperand()) + ")"; } else if (expressionItem instanceof FunctionalExpression) { FunctionalExpression fe = (FunctionalExpression) expressionItem; StringBuilder sb = new StringBuilder(); String postFix = ""; for (ExpressionItem ei : fe.getItems()) { sb.append(postFix) .append(getEditableExpressionString(ei)); postFix = ", "; } return "(" + fe.getFunction().toString() + "(" + sb.toString() + "))"; } else { return expressionItem.toString(); } } }