@Nonnull
private CSSImportRule _createImportRule(@Nonnull final CSSNode aNode) {
_expectNodeType(aNode, ECSSNodeType.IMPORTRULE);
final int nChildCount = aNode.jjtGetNumChildren();
if (nChildCount > 2)
_throwUnexpectedChildrenCount(
aNode, "Expected at last 2 children but got " + nChildCount + "!");
CSSURI aImportURI = null;
int nCurrentIndex = 0;
if (nChildCount > 0) {
final CSSNode aURINode = aNode.jjtGetChild(0);
if (ECSSNodeType.URL.isNode(aURINode, m_eVersion)) {
aImportURI = new CSSURI(aURINode.getText());
aImportURI.setSourceLocation(aURINode.getSourceLocation());
++nCurrentIndex;
} else if (!ECSSNodeType.MEDIALIST.isNode(aURINode, m_eVersion))
throw new IllegalStateException(
"Expected an URI or MEDIALIST node but got "
+ ECSSNodeType.getNodeName(aURINode, m_eVersion));
}
if (aImportURI == null) {
// No URI child node present, so the location is printed directly
// E.g. @import "abc.css"
aImportURI = new CSSURI(CSSParseHelper.extractStringValue(aNode.getText()));
}
// Import rule
final CSSImportRule ret = new CSSImportRule(aImportURI);
ret.setSourceLocation(aNode.getSourceLocation());
if (nChildCount > nCurrentIndex) {
// We have a media query present!
final CSSNode aMediaListNode = aNode.jjtGetChild(nCurrentIndex);
if (ECSSNodeType.MEDIALIST.isNode(aMediaListNode, m_eVersion)) {
for (final CSSNode aMediaQueryNode : aMediaListNode) {
ret.addMediaQuery(_createMediaQuery(aMediaQueryNode));
}
++nCurrentIndex;
} else
s_aLogger.error(
"Expected an MEDIALIST node but got "
+ ECSSNodeType.getNodeName(aMediaListNode, m_eVersion));
}
if (nCurrentIndex < nChildCount)
s_aLogger.error("Import statement has children which are unhandled.");
return ret;
}
@Nonnull
private CSSMediaRule _createMediaRule(@Nonnull final CSSNode aNode) {
_expectNodeType(aNode, ECSSNodeType.MEDIARULE);
final CSSMediaRule ret = new CSSMediaRule();
ret.setSourceLocation(aNode.getSourceLocation());
for (final CSSNode aChildNode : aNode) {
if (ECSSNodeType.MEDIALIST.isNode(aChildNode, m_eVersion)) {
for (final CSSNode aMediaListChildNode : aChildNode)
ret.addMediaQuery(_createMediaQuery(aMediaListChildNode));
} else if (ECSSNodeType.STYLERULE.isNode(aChildNode, m_eVersion))
ret.addRule(_createStyleRule(aChildNode));
else if (ECSSNodeType.MEDIARULE.isNode(aChildNode, m_eVersion)) {
// Nested media rules are OK!
ret.addRule(_createMediaRule(aChildNode));
} else if (ECSSNodeType.PAGERULE.isNode(aChildNode, m_eVersion))
ret.addRule(_createPageRule(aChildNode));
else if (ECSSNodeType.FONTFACERULE.isNode(aChildNode, m_eVersion))
ret.addRule(_createFontFaceRule(aChildNode));
else if (ECSSNodeType.KEYFRAMESRULE.isNode(aChildNode, m_eVersion))
ret.addRule(_createKeyframesRule(aChildNode));
else if (ECSSNodeType.VIEWPORTRULE.isNode(aChildNode, m_eVersion))
ret.addRule(_createViewportRule(aChildNode));
else if (ECSSNodeType.SUPPORTSRULE.isNode(aChildNode, m_eVersion))
ret.addRule(_createSupportsRule(aChildNode));
else if (!ECSSNodeType.isErrorNode(aChildNode, m_eVersion))
s_aLogger.error(
"Unsupported media-rule child: " + ECSSNodeType.getNodeName(aChildNode, m_eVersion));
}
return ret;
}