michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "txNodeSetAdaptor.h"
michael@0: #include "txXPathTreeWalker.h"
michael@0: 
michael@0: txNodeSetAdaptor::txNodeSetAdaptor()
michael@0:     : txXPathObjectAdaptor(),
michael@0:       mWritable(true)
michael@0: {
michael@0: }
michael@0: 
michael@0: txNodeSetAdaptor::txNodeSetAdaptor(txNodeSet *aNodeSet)
michael@0:     : txXPathObjectAdaptor(aNodeSet),
michael@0:       mWritable(false)
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS_INHERITED(txNodeSetAdaptor, txXPathObjectAdaptor, txINodeSet)
michael@0: 
michael@0: nsresult
michael@0: txNodeSetAdaptor::Init()
michael@0: {
michael@0:     if (!mValue) {
michael@0:         mValue = new txNodeSet(nullptr);
michael@0:     }
michael@0: 
michael@0:     return mValue ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: txNodeSetAdaptor::Item(uint32_t aIndex, nsIDOMNode **aResult)
michael@0: {
michael@0:     *aResult = nullptr;
michael@0: 
michael@0:     if (aIndex > (uint32_t)NodeSet()->size()) {
michael@0:         return NS_ERROR_ILLEGAL_VALUE;
michael@0:     }
michael@0: 
michael@0:     return txXPathNativeNode::getNode(NodeSet()->get(aIndex), aResult);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: txNodeSetAdaptor::ItemAsNumber(uint32_t aIndex, double *aResult)
michael@0: {
michael@0:     if (aIndex > (uint32_t)NodeSet()->size()) {
michael@0:         return NS_ERROR_ILLEGAL_VALUE;
michael@0:     }
michael@0: 
michael@0:     nsAutoString result;
michael@0:     txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), result);
michael@0: 
michael@0:     *aResult = txDouble::toDouble(result);
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: txNodeSetAdaptor::ItemAsString(uint32_t aIndex, nsAString &aResult)
michael@0: {
michael@0:     if (aIndex > (uint32_t)NodeSet()->size()) {
michael@0:         return NS_ERROR_ILLEGAL_VALUE;
michael@0:     }
michael@0: 
michael@0:     txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), aResult);
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: txNodeSetAdaptor::GetLength(uint32_t *aLength)
michael@0: {
michael@0:     *aLength = (uint32_t)NodeSet()->size();
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: txNodeSetAdaptor::Add(nsIDOMNode *aNode)
michael@0: {
michael@0:     NS_ENSURE_TRUE(mWritable, NS_ERROR_FAILURE);
michael@0: 
michael@0:     nsAutoPtr<txXPathNode> node(txXPathNativeNode::createXPathNode(aNode,
michael@0:                                                                    true));
michael@0: 
michael@0:     return node ? NodeSet()->add(*node) : NS_ERROR_OUT_OF_MEMORY;
michael@0: }