/src/mozilla-central/dom/xslt/xpath/txNameTest.cpp
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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 "txExpr.h" |
7 | | #include "nsAtom.h" |
8 | | #include "nsGkAtoms.h" |
9 | | #include "txXPathTreeWalker.h" |
10 | | #include "txIXPathContext.h" |
11 | | |
12 | | txNameTest::txNameTest(nsAtom* aPrefix, nsAtom* aLocalName, int32_t aNSID, |
13 | | uint16_t aNodeType) |
14 | | :mPrefix(aPrefix), mLocalName(aLocalName), mNamespace(aNSID), |
15 | | mNodeType(aNodeType) |
16 | 0 | { |
17 | 0 | if (aPrefix == nsGkAtoms::_empty) |
18 | 0 | mPrefix = nullptr; |
19 | 0 | NS_ASSERTION(aLocalName, "txNameTest without a local name?"); |
20 | 0 | NS_ASSERTION(aNodeType == txXPathNodeType::DOCUMENT_NODE || |
21 | 0 | aNodeType == txXPathNodeType::ELEMENT_NODE || |
22 | 0 | aNodeType == txXPathNodeType::ATTRIBUTE_NODE, |
23 | 0 | "Go fix txNameTest::matches"); |
24 | 0 | } |
25 | | |
26 | | nsresult |
27 | | txNameTest::matches(const txXPathNode& aNode, txIMatchContext* aContext, |
28 | | bool& aMatched) |
29 | 0 | { |
30 | 0 | if ((mNodeType == txXPathNodeType::ELEMENT_NODE && |
31 | 0 | !txXPathNodeUtils::isElement(aNode)) || |
32 | 0 | (mNodeType == txXPathNodeType::ATTRIBUTE_NODE && |
33 | 0 | !txXPathNodeUtils::isAttribute(aNode)) || |
34 | 0 | (mNodeType == txXPathNodeType::DOCUMENT_NODE && |
35 | 0 | !txXPathNodeUtils::isRoot(aNode))) { |
36 | 0 | aMatched = false; |
37 | 0 | return NS_OK; |
38 | 0 | } |
39 | 0 | |
40 | 0 | // Totally wild? |
41 | 0 | if (mLocalName == nsGkAtoms::_asterisk && !mPrefix) { |
42 | 0 | aMatched = true; |
43 | 0 | return NS_OK; |
44 | 0 | } |
45 | 0 | |
46 | 0 | // Compare namespaces |
47 | 0 | if (mNamespace != txXPathNodeUtils::getNamespaceID(aNode) |
48 | 0 | && !(mNamespace == kNameSpaceID_None && |
49 | 0 | txXPathNodeUtils::isHTMLElementInHTMLDocument(aNode)) |
50 | 0 | ) { |
51 | 0 | aMatched = false; |
52 | 0 | return NS_OK; |
53 | 0 | } |
54 | 0 | |
55 | 0 | // Name wild? |
56 | 0 | if (mLocalName == nsGkAtoms::_asterisk) { |
57 | 0 | aMatched = true; |
58 | 0 | return NS_OK; |
59 | 0 | } |
60 | 0 | |
61 | 0 | // Compare local-names |
62 | 0 | aMatched = txXPathNodeUtils::localNameEquals(aNode, mLocalName); |
63 | 0 | return NS_OK; |
64 | 0 | } |
65 | | |
66 | | /* |
67 | | * Returns the default priority of this txNodeTest |
68 | | */ |
69 | | double txNameTest::getDefaultPriority() |
70 | 0 | { |
71 | 0 | if (mLocalName == nsGkAtoms::_asterisk) { |
72 | 0 | if (!mPrefix) |
73 | 0 | return -0.5; |
74 | 0 | return -0.25; |
75 | 0 | } |
76 | 0 | return 0; |
77 | 0 | } |
78 | | |
79 | | txNodeTest::NodeTestType |
80 | | txNameTest::getType() |
81 | 0 | { |
82 | 0 | return NAME_TEST; |
83 | 0 | } |
84 | | |
85 | | bool |
86 | | txNameTest::isSensitiveTo(Expr::ContextSensitivity aContext) |
87 | 0 | { |
88 | 0 | return !!(aContext & Expr::NODE_CONTEXT); |
89 | 0 | } |
90 | | |
91 | | #ifdef TX_TO_STRING |
92 | | void |
93 | | txNameTest::toString(nsAString& aDest) |
94 | | { |
95 | | if (mPrefix) { |
96 | | nsAutoString prefix; |
97 | | mPrefix->ToString(prefix); |
98 | | aDest.Append(prefix); |
99 | | aDest.Append(char16_t(':')); |
100 | | } |
101 | | nsAutoString localName; |
102 | | mLocalName->ToString(localName); |
103 | | aDest.Append(localName); |
104 | | } |
105 | | #endif |