Examples with CSSNode com.helger.css.parser.CSSNode used on opensource projects

Example 6 with CSSNode

use of com.helger.css.parser.CSSNode in project ph-css by phax.

the class CSSNodeToDomainObject method _createExpressionFunction.

@Nonnull
private CSSExpressionMemberFunction _createExpressionFunction(@Nonnull final CSSNode aNode) {
    _expectNodeType(aNode, ECSSNodeType.FUNCTION);
    final int nChildCount = aNode.jjtGetNumChildren();
    if (nChildCount > 1)
        _throwUnexpectedChildrenCount(aNode, "Expected 0 or 1 children but got " + nChildCount + "!");
    final String sFunctionName = aNode.getText();
    CSSExpressionMemberFunction aFunc;
    if (nChildCount == 1) {
        // Parameters present
        final CSSNode aFirstChild = aNode.jjtGetChild(0);
        final CSSExpression aFuncExpr = _createExpression(aFirstChild);
        aFunc = new CSSExpressionMemberFunction(sFunctionName, aFuncExpr);
    } else {
        // No parameters
        aFunc = new CSSExpressionMemberFunction(sFunctionName);
    }
    aFunc.setSourceLocation(aNode.getSourceLocation());
    return aFunc;
}

Example 7 with CSSNode

use of com.helger.css.parser.CSSNode in project ph-css by phax.

the class CSSNodeToDomainObject method _createImportRule.

@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
            m_aErrorHandler.onCSSInterpretationError("Expected an MEDIALIST node but got " + ECSSNodeType.getNodeName(aMediaListNode, m_eVersion));
    }
    if (nCurrentIndex < nChildCount)
        m_aErrorHandler.onCSSInterpretationError("Import statement has children which are unhandled.");
    return ret;
}

Example 8 with CSSNode

use of com.helger.css.parser.CSSNode in project ph-css by phax.

the class CSSNodeToDomainObject method _createStyleRule.

@Nullable
private CSSStyleRule _createStyleRule(@Nonnull final CSSNode aNode) {
    _expectNodeType(aNode, ECSSNodeType.STYLERULE);
    final CSSStyleRule ret = new CSSStyleRule();
    ret.setSourceLocation(aNode.getSourceLocation());
    boolean bSelectors = true;
    for (final CSSNode aChildNode : aNode) {
        if (ECSSNodeType.SELECTOR.isNode(aChildNode, m_eVersion)) {
            if (!bSelectors)
                m_aErrorHandler.onCSSInterpretationError("Found a selector after a declaration!");
            ret.addSelector(_createSelector(aChildNode));
        } else {
            // OK, we're after the selectors
            bSelectors = false;
            if (ECSSNodeType.STYLEDECLARATIONLIST.isNode(aChildNode, m_eVersion)) {
                // Read all contained declarations
                _readStyleDeclarationList(aChildNode, aDeclaration -> ret.addDeclaration(aDeclaration));
            } else if (!ECSSNodeType.isErrorNode(aChildNode, m_eVersion))
                m_aErrorHandler.onCSSInterpretationError("Unsupported child of " + ECSSNodeType.getNodeName(aNode, m_eVersion) + ": " + ECSSNodeType.getNodeName(aChildNode, m_eVersion));
        }
    }
    if (ret.getSelectorCount() == 0) {
        // Error in selector parsing in browser compliant mode
        return null;
    }
    return ret;
}

Example 9 with CSSNode

use of com.helger.css.parser.CSSNode in project ph-css by phax.

the class CSSNodeToDomainObject method _createSupportsRule.

@Nonnull
private CSSSupportsRule _createSupportsRule(@Nonnull final CSSNode aNode) {
    _expectNodeType(aNode, ECSSNodeType.SUPPORTSRULE);
    final CSSSupportsRule ret = new CSSSupportsRule();
    ret.setSourceLocation(aNode.getSourceLocation());
    for (final CSSNode aChildNode : aNode) {
        if (ECSSNodeType.SUPPORTSCONDITION.isNode(aChildNode, m_eVersion)) {
            for (final CSSNode aChildChildNode : aChildNode) {
                final ICSSSupportsConditionMember aMember = _createSupportsConditionMemberRecursive(aChildChildNode);
                if (aMember != null)
                    ret.addSupportConditionMember(aMember);
            }
        } else if (ECSSNodeType.STYLERULE.isNode(aChildNode, m_eVersion)) {
            final CSSStyleRule aStyleRule = _createStyleRule(aChildNode);
            if (aStyleRule != null)
                ret.addRule(aStyleRule);
        } else if (ECSSNodeType.MEDIARULE.isNode(aChildNode, m_eVersion))
            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))
            m_aErrorHandler.onCSSInterpretationError("Unsupported supports-rule child: " + ECSSNodeType.getNodeName(aChildNode, m_eVersion));
    }
    return ret;
}

Example 10 with CSSNode

use of com.helger.css.parser.CSSNode in project ph-css by phax.

the class CSSNodeToDomainObject method _createUnknownRule.

@Nonnull
private CSSUnknownRule _createUnknownRule(@Nonnull final CSSNode aNode) {
    _expectNodeType(aNode, ECSSNodeType.UNKNOWNRULE);
    final int nChildCount = aNode.jjtGetNumChildren();
    if (nChildCount != 2)
        _throwUnexpectedChildrenCount(aNode, "Expected 2 children but got " + nChildCount + "!");
    final CSSNode aParameterList = aNode.jjtGetChild(0);
    _expectNodeType(aParameterList, ECSSNodeType.UNKNOWNRULEPARAMETERLIST);
    final CSSNode aBody = aNode.jjtGetChild(1);
    _expectNodeType(aBody, ECSSNodeType.UNKNOWNRULEBODY);
    // Get the name of the rule
    final String sRuleDeclaration = aNode.getText();
    final CSSUnknownRule ret = new CSSUnknownRule(sRuleDeclaration);
    ret.setSourceLocation(aNode.getSourceLocation());
    ret.setParameterList(aParameterList.getText());
    ret.setBody(aBody.getText());
    return ret;
}