dom/xslt/xpath/txNodeSetAdaptor.cpp

branch
TOR_BUG_9701
changeset 8
97036ab72558
equal deleted inserted replaced
-1:000000000000 0:a524073801a2
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 txNodeSetAdaptor::txNodeSetAdaptor()
10 : txXPathObjectAdaptor(),
11 mWritable(true)
12 {
13 }
14
15 txNodeSetAdaptor::txNodeSetAdaptor(txNodeSet *aNodeSet)
16 : txXPathObjectAdaptor(aNodeSet),
17 mWritable(false)
18 {
19 }
20
21 NS_IMPL_ISUPPORTS_INHERITED(txNodeSetAdaptor, txXPathObjectAdaptor, txINodeSet)
22
23 nsresult
24 txNodeSetAdaptor::Init()
25 {
26 if (!mValue) {
27 mValue = new txNodeSet(nullptr);
28 }
29
30 return mValue ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
31 }
32
33 NS_IMETHODIMP
34 txNodeSetAdaptor::Item(uint32_t aIndex, nsIDOMNode **aResult)
35 {
36 *aResult = nullptr;
37
38 if (aIndex > (uint32_t)NodeSet()->size()) {
39 return NS_ERROR_ILLEGAL_VALUE;
40 }
41
42 return txXPathNativeNode::getNode(NodeSet()->get(aIndex), aResult);
43 }
44
45 NS_IMETHODIMP
46 txNodeSetAdaptor::ItemAsNumber(uint32_t aIndex, double *aResult)
47 {
48 if (aIndex > (uint32_t)NodeSet()->size()) {
49 return NS_ERROR_ILLEGAL_VALUE;
50 }
51
52 nsAutoString result;
53 txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), result);
54
55 *aResult = txDouble::toDouble(result);
56
57 return NS_OK;
58 }
59
60 NS_IMETHODIMP
61 txNodeSetAdaptor::ItemAsString(uint32_t aIndex, nsAString &aResult)
62 {
63 if (aIndex > (uint32_t)NodeSet()->size()) {
64 return NS_ERROR_ILLEGAL_VALUE;
65 }
66
67 txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), aResult);
68
69 return NS_OK;
70 }
71
72 NS_IMETHODIMP
73 txNodeSetAdaptor::GetLength(uint32_t *aLength)
74 {
75 *aLength = (uint32_t)NodeSet()->size();
76
77 return NS_OK;
78 }
79
80 NS_IMETHODIMP
81 txNodeSetAdaptor::Add(nsIDOMNode *aNode)
82 {
83 NS_ENSURE_TRUE(mWritable, NS_ERROR_FAILURE);
84
85 nsAutoPtr<txXPathNode> node(txXPathNativeNode::createXPathNode(aNode,
86 true));
87
88 return node ? NodeSet()->add(*node) : NS_ERROR_OUT_OF_MEMORY;
89 }

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