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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* This Source Code Form is subject to the terms of the Mozilla Public
3 : * License, v. 2.0. If a copy of the MPL was not distributed with this
4 : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 :
6 : #include "txNodeSetAdaptor.h"
7 : #include "txXPathTreeWalker.h"
8 :
9 0 : txNodeSetAdaptor::txNodeSetAdaptor()
10 : : txXPathObjectAdaptor(),
11 0 : mWritable(true)
12 : {
13 0 : }
14 :
15 0 : txNodeSetAdaptor::txNodeSetAdaptor(txNodeSet *aNodeSet)
16 : : txXPathObjectAdaptor(aNodeSet),
17 0 : mWritable(false)
18 : {
19 0 : }
20 :
21 0 : NS_IMPL_ISUPPORTS_INHERITED(txNodeSetAdaptor, txXPathObjectAdaptor, txINodeSet)
22 :
23 : nsresult
24 0 : txNodeSetAdaptor::Init()
25 : {
26 0 : if (!mValue) {
27 0 : mValue = new txNodeSet(nullptr);
28 : }
29 0 : return NS_OK;
30 : }
31 :
32 : NS_IMETHODIMP
33 0 : txNodeSetAdaptor::Item(uint32_t aIndex, nsIDOMNode **aResult)
34 : {
35 0 : *aResult = nullptr;
36 :
37 0 : if (aIndex > (uint32_t)NodeSet()->size()) {
38 0 : return NS_ERROR_ILLEGAL_VALUE;
39 : }
40 :
41 0 : return txXPathNativeNode::getNode(NodeSet()->get(aIndex), aResult);
42 : }
43 :
44 : NS_IMETHODIMP
45 0 : txNodeSetAdaptor::ItemAsNumber(uint32_t aIndex, double *aResult)
46 : {
47 0 : if (aIndex > (uint32_t)NodeSet()->size()) {
48 0 : return NS_ERROR_ILLEGAL_VALUE;
49 : }
50 :
51 0 : nsAutoString result;
52 0 : txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), result);
53 :
54 0 : *aResult = txDouble::toDouble(result);
55 :
56 0 : return NS_OK;
57 : }
58 :
59 : NS_IMETHODIMP
60 0 : txNodeSetAdaptor::ItemAsString(uint32_t aIndex, nsAString &aResult)
61 : {
62 0 : if (aIndex > (uint32_t)NodeSet()->size()) {
63 0 : return NS_ERROR_ILLEGAL_VALUE;
64 : }
65 :
66 0 : txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), aResult);
67 :
68 0 : return NS_OK;
69 : }
70 :
71 : NS_IMETHODIMP
72 0 : txNodeSetAdaptor::GetLength(uint32_t *aLength)
73 : {
74 0 : *aLength = (uint32_t)NodeSet()->size();
75 :
76 0 : return NS_OK;
77 : }
78 :
79 : NS_IMETHODIMP
80 0 : txNodeSetAdaptor::Add(nsIDOMNode *aNode)
81 : {
82 0 : NS_ENSURE_TRUE(mWritable, NS_ERROR_FAILURE);
83 :
84 : nsAutoPtr<txXPathNode> node(txXPathNativeNode::createXPathNode(aNode,
85 0 : true));
86 :
87 0 : return node ? NodeSet()->add(*node) : NS_ERROR_OUT_OF_MEMORY;
88 : }
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