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