@Nonnull
private CSSExpression _createExpression(@Nonnull final CSSNode aNode) {
_expectNodeType(aNode, ECSSNodeType.EXPR);
final CSSExpression ret = new CSSExpression();
ret.setSourceLocation(aNode.getSourceLocation());
for (final CSSNode aChildNode : aNode) {
if (ECSSNodeType.EXPRTERM.isNode(aChildNode, m_eVersion))
ret.addMember(_createExpressionTerm(aChildNode));
else if (ECSSNodeType.EXPROPERATOR.isNode(aChildNode, m_eVersion)) {
final String sText = aChildNode.getText();
final ECSSExpressionOperator eOp = ECSSExpressionOperator.getFromNameOrNull(sText);
if (eOp == null) s_aLogger.error("Failed to parse expression operator '" + sText + "'");
else ret.addMember(eOp);
} else {
s_aLogger.error(
"Unsupported child of "
+ ECSSNodeType.getNodeName(aNode, m_eVersion)
+ ": "
+ ECSSNodeType.getNodeName(aChildNode, m_eVersion));
}
}
return ret;
}
