Java XMLObject.ecmaGet方法代码示例

import org.mozilla.javascript.xml.XMLObject; //导入方法依赖的package包/类
public static Object getObjectElem(Scriptable obj, Object elem,
                                   Context cx)
{
    if (obj instanceof XMLObject) {
        XMLObject xmlObject = (XMLObject)obj;
        return xmlObject.ecmaGet(cx, elem);
    }

    Object result;

    String s = toStringIdOrIndex(cx, elem);
    if (s == null) {
        int index = lastIndexResult(cx);
        result = ScriptableObject.getProperty(obj, index);
    } else {
        result = ScriptableObject.getProperty(obj, s);
    }

    if (result == Scriptable.NOT_FOUND) {
        result = Undefined.instance;
    }

    return result;
}
 

import org.mozilla.javascript.xml.XMLObject; //导入方法依赖的package包/类
public static Object getObjectProp(Scriptable obj, String property,
                                   Context cx)
{
    if (obj instanceof XMLObject) {
        // TODO: Change XMLObject to just use Scriptable interface
        // to avoid paying cost of instanceof check on *every property
        // lookup* !
        XMLObject xmlObject = (XMLObject)obj;
        return xmlObject.ecmaGet(cx, property);
    }

    Object result = ScriptableObject.getProperty(obj, property);
    if (result == Scriptable.NOT_FOUND) {
        if (cx.hasFeature(Context.FEATURE_STRICT_MODE)) {
            Context.reportWarning(ScriptRuntime.getMessage1(
                "msg.ref.undefined.prop", property));
        }
        result = Undefined.instance;
    }

    return result;
}
 

import org.mozilla.javascript.xml.XMLObject; //导入方法依赖的package包/类
public static Object getObjectIndex(Scriptable obj, int index,
                                    Context cx)
{
    if (obj instanceof XMLObject) {
        XMLObject xmlObject = (XMLObject)obj;
        return xmlObject.ecmaGet(cx, Integer.valueOf(index));
    }

    Object result = ScriptableObject.getProperty(obj, index);
    if (result == Scriptable.NOT_FOUND) {
        result = Undefined.instance;
    }

    return result;
}
 

import org.mozilla.javascript.xml.XMLObject; //导入方法依赖的package包/类
private static Object nameOrFunction(Context cx, Scriptable scope,
                                     Scriptable parentScope, String name,
                                     boolean asFunctionCall)
{
    Object result;
    Scriptable thisObj = scope; // It is used only if asFunctionCall==true.

    XMLObject firstXMLObject = null;
    for (;;) {
        if (scope instanceof NativeWith) {
            Scriptable withObj = scope.getPrototype();
            if (withObj instanceof XMLObject) {
                XMLObject xmlObj = (XMLObject)withObj;
                if (xmlObj.ecmaHas(cx, name)) {
                    // function this should be the target object of with
                    thisObj = xmlObj;
                    result = xmlObj.ecmaGet(cx, name);
                    break;
                }
                if (firstXMLObject == null) {
                    firstXMLObject = xmlObj;
                }
            } else {
                result = ScriptableObject.getProperty(withObj, name);
                if (result != Scriptable.NOT_FOUND) {
                    // function this should be the target object of with
                    thisObj = withObj;
                    break;
                }
            }
        } else if (scope instanceof NativeCall) {
            // NativeCall does not prototype chain and Scriptable.get
            // can be called directly.
            result = scope.get(name, scope);
            if (result != Scriptable.NOT_FOUND) {
                if (asFunctionCall) {
                    // ECMA 262 requires that this for nested funtions
                    // should be top scope
                    thisObj = ScriptableObject.
                                  getTopLevelScope(parentScope);
                }
                break;
            }
        } else {
            // Can happen if Rhino embedding decided that nested
            // scopes are useful for what ever reasons.
            result = ScriptableObject.getProperty(scope, name);
            if (result != Scriptable.NOT_FOUND) {
                thisObj = scope;
                break;
            }
        }
        scope = parentScope;
        parentScope = parentScope.getParentScope();
        if (parentScope == null) {
            result = topScopeName(cx, scope, name);
            if (result == Scriptable.NOT_FOUND) {
                if (firstXMLObject == null || asFunctionCall) {
                    throw notFoundError(scope, name);
                }
                // The name was not found, but we did find an XML
                // object in the scope chain and we are looking for name,
                // not function. The result should be an empty XMLList
                // in name context.
                result = firstXMLObject.ecmaGet(cx, name);
            }
            // For top scope thisObj for functions is always scope itself.
            thisObj = scope;
            break;
        }
    }

    if (asFunctionCall) {
        if (!(result instanceof Callable)) {
            throw notFunctionError(result, name);
        }
        storeScriptable(cx, thisObj);
    }

    return result;
}