nsxmlrpcclient.js

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        return false;
    },

    /* Generate the XML-RPC request body */
    _generateRequestBody: function(writer, methodName, methodArgs) {
        writer.startElement('methodCall');

        writer.startElement('methodName');
        writer.write(methodName);
        writer.endElement('methodName');

        writer.startElement('params');
        for (var i = 0; i < methodArgs.length; i++) {
            writer.startElement('param');
            this._generateArgumentBody(writer, methodArgs[i]);
            writer.endElement('param');
        }
        writer.endElement('params');

        writer.endElement('methodCall');
    },

    /* Write out a XML-RPC parameter value */
    _generateArgumentBody: function(writer, obj) {
        writer.startElement('value');
        var sType = this._typeOf(obj);
        switch (sType) {
            case 'PRUint8':
            case 'PRUint16':
            case 'PRInt16':
            case 'PRInt32':
                obj=obj.QueryInterface(Components.interfaces['nsISupports' +
                    sType]);
                writer.startElement('i4');
                writer.write(obj.toString());
                writer.endElement('i4');
                break;

            case 'PRBool':
                obj=obj.QueryInterface(Components.interfaces.nsISupportsPRBool);
                writer.startElement('boolean');
                writer.write(obj.data ? '1' : '0');
                writer.endElement('boolean');
                break;

            case 'Char':
            case 'CString':
                obj=obj.QueryInterface(Components.interfaces['nsISupports' +
                    sType]);
                writer.startElement('string');
                writer.write(obj.toString());
                writer.endElement('string');
                break;

            case 'Float':
            case 'Double':
                obj=obj.QueryInterface(Components.interfaces['nsISupports' +
                    sType]);
                writer.startElement('double');
                writer.write(obj.toString());
                writer.endElement('double');
                break;

            case 'PRTime':
                obj = obj.QueryInterface(
                    Components.interfaces.nsISupportsPRTime);
                var date = new Date(obj.data)
                writer.startElement('dateTime.iso8601');
                writer.write(iso8601Format(date));
                writer.endElement('dateTime.iso8601');
                break;
                
            case 'InputStream':
                obj = obj.QueryInterface(Components.interfaces.nsIInputStream);
                obj = toScriptableStream(obj);
                writer.startElement('base64');
                streamToBase64(obj, writer);
                writer.endElement('base64');
                break;
            
            case 'Array':
                obj = obj.QueryInterface(
                    Components.interfaces.nsISupportsArray);
                writer.startElement('array');
                writer.startElement('data');
                for (var i = 0; i < obj.Count(); i++)
                    this._generateArgumentBody(writer, obj.GetElementAt(i));
                writer.endElement('data');
                writer.endElement('array');
                break;

            case 'Dictionary':
                obj = obj.QueryInterface(Components.interfaces.nsIDictionary);
                writer.startElement('struct');
                var keys = obj.getKeys({});
                for (var k = 0; k < keys.length; k++) {
                    writer.startElement('member');
                    writer.startElement('name');
                    writer.write(keys[k]);
                    writer.endElement('name');
                    this._generateArgumentBody(writer, obj.getValue(keys[k]));
                    writer.endElement('member');
                }
                writer.endElement('struct');
                break;

            default:
                throw Components.Exception('Unsupported argument', null, null,
                    obj);
        }

        writer.endElement('value');
    },

    /* Determine type of a nsISupports primitive, array or dictionary. */
    _typeOf: function(obj) {
        // XPConnect alows JS to pass in anything, because we are a regular
        // JS object to it. So we have to test rigorously.
        if (typeof obj != 'object') return 'Unknown';

        // Anything else not nsISupports is not allowed.
        if (typeof obj.QueryInterface != 'function') return 'Unknown';

        // Now we will have to eliminate by trying all possebilities.
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsPRUint8);
            return 'PRUint8';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsPRUint16);
            return 'PRUint16';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsPRInt16);
            return 'PRInt16';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsPRInt32);
            return 'PRInt32';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsPRBool);
            return 'PRBool';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsChar);
            return 'Char';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsCString);
            return 'CString';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsFloat);
            return 'Float';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsDouble);
            return 'Double';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsPRTime);
            return 'PRTime';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsIInputStream);
            return 'InputStream';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsISupportsArray);
            return 'Array';
        } catch(e) {}
        
        try {
            obj.QueryInterface(Components.interfaces.nsIDictionary);
            return 'Dictionary';
        } catch(e) {}
        
        // Not a supported type
        return 'Unknown';
    },

    // Response parsing state
    _valueStack: [],
    _currValue: null,
    _cdata: null,

    parse: function(doc) {
        var node = doc.firstChild;
        var result;
        if (node.nodeType == DOMNode.TEXT_NODE)
            node = node.nextSibling;
        if ((node.nodeType != DOMNode.ELEMENT_NODE) ||
            (node.nodeName != 'methodResponse')) {
            throw Components.Exception('Expecting a methodResponse', null, null,
                                       doc);
        }
        node = node.firstChild;
        if (node.nodeType == DOMNode.TEXT_NODE)
            node = node.nextSibling;
        if (node.nodeType != DOMNode.ELEMENT_NODE)
            throw Components.Exception('Expecting a params or fault', null,
                                       null, doc);
        if (node.nodeName == 'params') {
            node = node.firstChild;
            if (node.nodeType == DOMNode.TEXT_NODE)
                node = node.nextSibling;
            if ((node.nodeType != DOMNode.ELEMENT_NODE) ||
                (node.nodeName != 'param')) {
                throw Components.Exception('Expecting a param', null, null,
                                           doc);
            }
            result = this.parseValue(node.firstChild);
        } else if (node.nodeName == 'fault') {
            this._foundFault = true;
            result = this.parseFault(node.firstChild);
        } else {
            throw Components.Exception('Expecting a params or fault', null,
                                       null, doc);
        }
        debug('Parse finished');
        return result;
    },

    parseValue: function(node) {
        var cValue = new Value();
        if (node && (node.nodeType == DOMNode.TEXT_NODE))
            node = node.nextSibling;
        if (!node || (node.nodeType != DOMNode.ELEMENT_NODE) ||
            (node.nodeName != 'value')) {
            throw Components.Exception('Expecting a value', null, null, node);
        }
        node = node.firstChild;
        if (!node)
            return cValue;
        if (node.nodeType == DOMNode.TEXT_NODE){
            if (!node.nextSibling) {
                cValue.value = node.nodeValue;
                return cValue;
            } else {
                node = node.nextSibling;
            }
        }
        if (node.nodeType != DOMNode.ELEMENT_NODE)
            throw Components.Exception('Expecting a value type', null, null,
                                       node);
        switch (node.nodeName) {
            case 'string':
                cValue.value = this.parseString(node.firstChild);
                break;
            case 'i4':
            case 'int':
                cValue.type = this.INT;
                cValue.value = this.parseString(node.firstChild);
                break;
            case 'boolean':
                cValue.type = this.BOOLEAN;
                cValue.value = this.parseString(node.firstChild);
                break;
            case 'double':
                cValue.type = this.DOUBLE;
                cValue.value = this.parseString(node.firstChild);
                break;
            case 'dateTime.iso8601':
                cValue.type = this.DATETIME;
                cValue.value = this.parseString(node.firstChild);
                break;
            case 'base64':
                cValue.type = this.BASE64;
                cValue.value = this.parseString(node.firstChild);
                break;
            case 'struct':
                cValue.type = this.STRUCT;
                this.parseStruct(cValue, node.firstChild);
                break;
            case 'array':
                cValue.type = this.ARRAY;
                this.parseArray(cValue, node.firstChild);
                break;
            default:
                throw Components.Exception('Expecting a value type', null, null,
                                           node);
        }
        return cValue;
    },

    parseString: function(node) {
        value = '';
        while (node) {
            if (node.nodeType != DOMNode.TEXT_NODE)
                throw Components.Exception('Expecting a text node', null, null,
                                           node);
            value += node.nodeValue; 
            node = node.nextSibling;
        }
        return value;
    },

    parseStruct: function(struct, node) {
        while (node) {
            if (node.nodeType == DOMNode.TEXT_NODE)
                node = node.nextSibling;
            if (!node)
                return;
            if ((node.nodeType != DOMNode.ELEMENT_NODE) ||
                (node.nodeName != 'member')) {
                throw Components.Exception('Expecting a member', null, null,
                                           node);
            }
            this.parseMember(struct, node.firstChild);
            node = node.nextSibling;
        }
    },

    parseMember: function(struct, node) {
        var cValue;
        if (node.nodeType == DOMNode.TEXT_NODE)
            node = node.nextSibling;
        if (!node || (node.nodeType != DOMNode.ELEMENT_NODE) ||
            (node.nodeName != 'name')) {
            throw Components.Exception('Expecting a name', null, null, node);
        }
        struct.name = this.parseString(node.firstChild);
        cValue = this.parseValue(node.nextSibling);
        struct.appendValue(cValue.value);
    },

    parseArray: function(array, node) {
        if (node.nodeType == DOMNode.TEXT_NODE)
            node = node.nextSibling;
        if (!node || (node.nodeType != DOMNode.ELEMENT_NODE) ||
            (node.nodeName != 'data')) {
            throw Components.Exception('Expecting array data', null, null, node);
        }
        for (node = node.firstChild; node; node = node.nextSibling) {
            if (node.nodeType == DOMNode.TEXT_NODE)