Examples with BLangXMLAttribute org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLAttribute used on opensource projects

Example 1 with BLangXMLAttribute

use of org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLAttribute in project ballerina by ballerina-lang.

the class SymbolEnter method visit.

public void visit(BLangXMLAttribute bLangXMLAttribute) {
    if (!(bLangXMLAttribute.name.getKind() == NodeKind.XML_QNAME)) {
        return;
    }
    BLangXMLQName qname = (BLangXMLQName) bLangXMLAttribute.name;
    // If no duplicates, then define this attribute symbol.
    if (!bLangXMLAttribute.isNamespaceDeclr) {
        BXMLAttributeSymbol attrSymbol = new BXMLAttributeSymbol(qname.localname.value, qname.namespaceURI, env.enclPkg.symbol.pkgID, env.scope.owner);
        if (symResolver.checkForUniqueMemberSymbol(bLangXMLAttribute.pos, env, attrSymbol)) {
            env.scope.define(attrSymbol.name, attrSymbol);
            bLangXMLAttribute.symbol = attrSymbol;
        }
        return;
    }
    List<BLangExpression> exprs = bLangXMLAttribute.value.textFragments;
    String nsURI = null;
    // TODO: find a better way to get the statically defined URI.
    if (exprs.size() == 1 && exprs.get(0).getKind() == NodeKind.LITERAL) {
        nsURI = (String) ((BLangLiteral) exprs.get(0)).value;
    }
    String symbolName = qname.localname.value;
    if (symbolName.equals(XMLConstants.XMLNS_ATTRIBUTE)) {
        symbolName = XMLConstants.DEFAULT_NS_PREFIX;
    }
    BXMLNSSymbol xmlnsSymbol = new BXMLNSSymbol(names.fromString(symbolName), nsURI, env.enclPkg.symbol.pkgID, env.scope.owner);
    if (symResolver.checkForUniqueMemberSymbol(bLangXMLAttribute.pos, env, xmlnsSymbol)) {
        env.scope.define(xmlnsSymbol.name, xmlnsSymbol);
        bLangXMLAttribute.symbol = xmlnsSymbol;
    }
}

Example 2 with BLangXMLAttribute

use of org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLAttribute in project ballerina by ballerina-lang.

the class TaintAnalyzer method visit.

public void visit(BLangXMLAttribute xmlAttribute) {
    SymbolEnv xmlAttributeEnv = SymbolEnv.getXMLAttributeEnv(xmlAttribute, env);
    xmlAttribute.name.accept(this);
    boolean attrNameTainedStatus = getObservedTaintedStatus();
    xmlAttribute.value.accept(this);
    boolean attrValueTainedStatus = getObservedTaintedStatus();
    setTaintedStatusList(attrNameTainedStatus || attrValueTainedStatus);
}

Example 3 with BLangXMLAttribute

use of org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLAttribute in project ballerina by ballerina-lang.

the class TaintAnalyzer method visit.

public void visit(BLangXMLElementLiteral xmlElementLiteral) {
    SymbolEnv xmlElementEnv = SymbolEnv.getXMLElementEnv(xmlElementLiteral, env);
    // Visit in-line namespace declarations
    boolean inLineNamespaceTainted = false;
    for (BLangXMLAttribute attribute : xmlElementLiteral.attributes) {
        if (attribute.name.getKind() == NodeKind.XML_QNAME && ((BLangXMLQName) attribute.name).prefix.value.equals(XMLConstants.XMLNS_ATTRIBUTE)) {
            attribute.accept(this);
            attribute.symbol.tainted = getObservedTaintedStatus();
            if (attribute.symbol.tainted) {
                inLineNamespaceTainted = true;
            }
        }
    }
    // Visit attributes.
    boolean attributesTainted = false;
    for (BLangXMLAttribute attribute : xmlElementLiteral.attributes) {
        if (attribute.name.getKind() == NodeKind.XML_QNAME && !((BLangXMLQName) attribute.name).prefix.value.equals(XMLConstants.XMLNS_ATTRIBUTE)) {
            attribute.accept(this);
            attribute.symbol.tainted = getObservedTaintedStatus();
            if (attribute.symbol.tainted) {
                attributesTainted = true;
            }
        }
    }
    // Visit the tag names
    xmlElementLiteral.startTagName.accept(this);
    boolean startTagTaintedStatus = getObservedTaintedStatus();
    boolean endTagTaintedStatus = false;
    if (xmlElementLiteral.endTagName != null) {
        xmlElementLiteral.endTagName.accept(this);
        endTagTaintedStatus = getObservedTaintedStatus();
    }
    boolean tagNamesTainted = startTagTaintedStatus || endTagTaintedStatus;
    // Visit the children
    boolean childrenTainted = false;
    for (BLangExpression expr : xmlElementLiteral.children) {
        expr.accept(this);
        if (getObservedTaintedStatus()) {
            childrenTainted = true;
        }
    }
    setTaintedStatusList(inLineNamespaceTainted || attributesTainted || tagNamesTainted || childrenTainted);
}

Example 4 with BLangXMLAttribute

use of org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLAttribute in project ballerina by ballerina-lang.

the class CodeGenerator method visit.

@Override
public void visit(BLangXMLAttribute xmlAttribute) {
    SymbolEnv xmlAttributeEnv = SymbolEnv.getXMLAttributeEnv(xmlAttribute, env);
    BLangExpression attrNameExpr = xmlAttribute.name;
    attrNameExpr.regIndex = calcAndGetExprRegIndex(attrNameExpr);
    genNode(attrNameExpr, xmlAttributeEnv);
    RegIndex attrQNameRegIndex = attrNameExpr.regIndex;
    // If the attribute name is a string representation of qname
    if (attrNameExpr.getKind() != NodeKind.XML_QNAME) {
        RegIndex localNameRegIndex = getRegIndex(TypeTags.STRING);
        RegIndex uriRegIndex = getRegIndex(TypeTags.STRING);
        emit(InstructionCodes.S2QNAME, attrQNameRegIndex, localNameRegIndex, uriRegIndex);
        attrQNameRegIndex = getRegIndex(TypeTags.XML);
        generateURILookupInstructions(((BLangXMLElementLiteral) env.node).namespacesInScope, localNameRegIndex, uriRegIndex, attrQNameRegIndex, xmlAttribute.pos, xmlAttributeEnv);
        attrNameExpr.regIndex = attrQNameRegIndex;
    }
    BLangExpression attrValueExpr = xmlAttribute.value;
    genNode(attrValueExpr, env);
    if (xmlAttribute.isNamespaceDeclr) {
        ((BXMLNSSymbol) xmlAttribute.symbol).nsURIIndex = attrValueExpr.regIndex;
    }
}

Example 5 with BLangXMLAttribute

use of org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLAttribute in project ballerina by ballerina-lang.

the class Desugar method visit.

@Override
public void visit(BLangXMLElementLiteral xmlElementLiteral) {
    xmlElementLiteral.startTagName = rewriteExpr(xmlElementLiteral.startTagName);
    xmlElementLiteral.endTagName = rewriteExpr(xmlElementLiteral.endTagName);
    xmlElementLiteral.modifiedChildren = rewriteExprs(xmlElementLiteral.modifiedChildren);
    xmlElementLiteral.attributes = rewriteExprs(xmlElementLiteral.attributes);
    // Separate the in-line namepsace declarations and attributes.
    Iterator<BLangXMLAttribute> attributesItr = xmlElementLiteral.attributes.iterator();
    while (attributesItr.hasNext()) {
        BLangXMLAttribute attribute = attributesItr.next();
        if (!attribute.isNamespaceDeclr) {
            continue;
        }
        // Create local namepace declaration for all in-line namespace declarations
        BLangLocalXMLNS xmlns = new BLangLocalXMLNS();
        xmlns.namespaceURI = attribute.value.concatExpr;
        xmlns.prefix = ((BLangXMLQName) attribute.name).localname;
        xmlns.symbol = (BXMLNSSymbol) attribute.symbol;
        xmlElementLiteral.inlineNamespaces.add(xmlns);
        attributesItr.remove();
    }
    result = xmlElementLiteral;
}