1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is TransforMiiX XSLT processor code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Axel Hecht.
19 : * Portions created by the Initial Developer are Copyright (C) 2002
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Axel Hecht <axel@pike.org>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef __TX_XPATH_SINGLENODE_CONTEXT
40 : #define __TX_XPATH_SINGLENODE_CONTEXT
41 :
42 : #include "txIXPathContext.h"
43 :
44 : class txSingleNodeContext : public txIEvalContext
45 0 : {
46 : public:
47 0 : txSingleNodeContext(const txXPathNode& aContextNode,
48 : txIMatchContext* aContext)
49 : : mNode(aContextNode),
50 0 : mInner(aContext)
51 : {
52 0 : NS_ASSERTION(aContext, "txIMatchContext must be given");
53 0 : }
54 :
55 0 : nsresult getVariable(PRInt32 aNamespace, nsIAtom* aLName,
56 : txAExprResult*& aResult)
57 : {
58 0 : NS_ASSERTION(mInner, "mInner is null!!!");
59 0 : return mInner->getVariable(aNamespace, aLName, aResult);
60 : }
61 :
62 0 : bool isStripSpaceAllowed(const txXPathNode& aNode)
63 : {
64 0 : NS_ASSERTION(mInner, "mInner is null!!!");
65 0 : return mInner->isStripSpaceAllowed(aNode);
66 : }
67 :
68 0 : void* getPrivateContext()
69 : {
70 0 : NS_ASSERTION(mInner, "mInner is null!!!");
71 0 : return mInner->getPrivateContext();
72 : }
73 :
74 0 : txResultRecycler* recycler()
75 : {
76 0 : NS_ASSERTION(mInner, "mInner is null!!!");
77 0 : return mInner->recycler();
78 : }
79 :
80 0 : void receiveError(const nsAString& aMsg, nsresult aRes)
81 : {
82 0 : NS_ASSERTION(mInner, "mInner is null!!!");
83 : #ifdef DEBUG
84 0 : nsAutoString error(NS_LITERAL_STRING("forwarded error: "));
85 0 : error.Append(aMsg);
86 0 : mInner->receiveError(error, aRes);
87 : #else
88 : mInner->receiveError(aMsg, aRes);
89 : #endif
90 0 : }
91 :
92 0 : const txXPathNode& getContextNode()
93 : {
94 0 : return mNode;
95 : }
96 :
97 0 : PRUint32 size()
98 : {
99 0 : return 1;
100 : }
101 :
102 0 : PRUint32 position()
103 : {
104 0 : return 1;
105 : }
106 :
107 : private:
108 : const txXPathNode& mNode;
109 : txIMatchContext* mInner;
110 : };
111 :
112 : #endif // __TX_XPATH_SINGLENODE_CONTEXT
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