@Nonnull
private CSSExpressionMemberMath _createExpressionMathTerm(@Nonnull final CSSNode aNode) {
_expectNodeType(aNode, ECSSNodeType.MATH);
final CSSExpressionMemberMath ret = new CSSExpressionMemberMath();
ret.setSourceLocation(aNode.getSourceLocation());
// read all sums
for (final CSSNode aChildNode : aNode) {
if (ECSSNodeType.MATHPRODUCT.isNode(aChildNode, m_eVersion)) {
ret.addMember(_createExpressionMathProduct(aChildNode));
} else if (ECSSNodeType.MATHSUMOPERATOR.isNode(aChildNode, m_eVersion)) {
final String sText = aChildNode.getText();
final ECSSMathOperator eMathOp = ECSSMathOperator.getFromNameOrNull(sText);
if (eMathOp == null) s_aLogger.error("Failed to parse math operator '" + sText + "'");
else ret.addMember(eMathOp);
} else
s_aLogger.error(
"Unsupported child of "
+ ECSSNodeType.getNodeName(aNode, m_eVersion)
+ ": "
+ ECSSNodeType.getNodeName(aChildNode, m_eVersion));
}
return ret;
}
@Nonnull
private CSSExpressionMemberMathProduct _createExpressionMathProduct(
@Nonnull final CSSNode aNode) {
_expectNodeType(aNode, ECSSNodeType.MATHPRODUCT);
final CSSExpressionMemberMathProduct ret = new CSSExpressionMemberMathProduct();
ret.setSourceLocation(aNode.getSourceLocation());
// read all sums
for (final CSSNode aChildNode : aNode) {
if (ECSSNodeType.MATHUNIT.isNode(aChildNode, m_eVersion)) {
final int nChildCount = aChildNode.jjtGetNumChildren();
if (nChildCount == 0) {
final CSSExpressionMemberMathUnitSimple aMember =
new CSSExpressionMemberMathUnitSimple(aChildNode.getText());
aMember.setSourceLocation(aChildNode.getSourceLocation());
ret.addMember(aMember);
} else {
if (nChildCount != 1)
_throwUnexpectedChildrenCount(
aChildNode, "CSS math unit expected 1 child and got " + nChildCount);
final CSSNode aChildChildNode = aChildNode.jjtGetChild(0);
final CSSExpressionMemberMathProduct aNestedProduct =
_createExpressionMathProduct(aChildChildNode);
final CSSExpressionMemberMathUnitProduct aMember =
new CSSExpressionMemberMathUnitProduct(aNestedProduct);
// Source location is taken from aNestedProduct
ret.addMember(aMember);
}
} else if (ECSSNodeType.MATHPRODUCTOPERATOR.isNode(aChildNode, m_eVersion)) {
final String sText = aChildNode.getText();
final ECSSMathOperator eMathOp = ECSSMathOperator.getFromNameOrNull(sText);
if (eMathOp == null)
s_aLogger.error("Failed to parse math product operator '" + sText + "'");
else ret.addMember(eMathOp);
} else
s_aLogger.error(
"Unsupported child of "
+ ECSSNodeType.getNodeName(aNode, m_eVersion)
+ ": "
+ ECSSNodeType.getNodeName(aChildNode, m_eVersion));
}
return ret;
}