1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla XForms support.
*
* The Initial Developer of the Original Code is
* IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Aaron Reed <aaronr@us.ibm.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIXFormsXPathEvaluator_h
#define nsIXFormsXPathEvaluator_h
#include "nsISupports.h"
/* For IDL files that don't want to include root IDL files. */
#ifndef NS_NO_VTABLE
#define NS_NO_VTABLE
#endif
class nsIDOMNode; /* forward declaration */
class nsIDOMNSXPathExpression; /* forward declaration */
/* starting interface: nsIXFormsXPathEvaluator */
#define NS_XFORMS_XPATH_EVALUATOR_CONTRACTID "@mozilla.org/dom/xforms-xpath-evaluator;1"
/* afa3deb0-0c89-4f75-b3ff-94e31e69e4d7 */
#define TRANSFORMIIX_XFORMS_XPATH_EVALUATOR_CID \
{ 0xafa3deb0, 0x0c89, 0x4f75, \
{0xb3, 0xff, 0x94, 0xe3, 0x1e, 0x69, 0xe4, 0xd7} }
/* 207bd514-9804-4fc7-9a71-e98348fff13a */
#define TRANSFORMIIX_XFORMS_XPATH_EVALUATOR_IID \
{ 0x207bd514, 0x9804, 0x4fc7, \
{0x9a, 0x71, 0xe9, 0x83, 0x48, 0xff, 0xf1, 0x3a} }
/* Use this macro when declaring classes that implement this interface. */
#define NS_DECL_NSIXFORMXPATHEVALUATOR \
NS_IMETHOD CreateExpression(const nsAString & aExpression, nsIDOMNode *aResolverNode, nsIDOMNode *aOrigCtxt, nsIDOMNSXPathExpression **aResult); \
NS_IMETHOD Evaluate(const nsAString & aExpression, nsIDOMNode *aContextNode, PRUint32 aContextPosition, PRUint32 aContextSize, nsIDOMNode *aResolverNode, nsIDOMNode *aOrigCtxt, PRUint16 aType, nsISupports *aInResult, nsISupports **aResult);
/**
* Private interface implemented by the nsXFormsXPathEvaluator in Transformiix
* and will move to the XForms extension when XPath is made extensible. We
* are using this interface instead of nsIDOMXPathEvaluator since we can
* don't really need all of that overhead. For example, this interface uses
* a resolver node from the xforms document rather than forcing XForms to
* create a namespace resolver node prior to creating the expression or
* running an evaluation.
*/
class NS_NO_VTABLE nsIXFormsXPathEvaluator : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(TRANSFORMIIX_XFORMS_XPATH_EVALUATOR_IID)
/**
* Function to create a nsIDOMNSXPathExpression from the provided expression
* string. aResolverNode is the xforms node that the expression is
* associated with. aOrigCtxt is the original context node that will be
* used to evaluate this expression. We need to remember it so that the
* current() XForms XPath function has access to it. This represents the
* parse context. The other context that XForms functions have access to is
* the evaluation context, but that won't help current().
*/
NS_IMETHOD CreateExpression(const nsAString & aExpression, nsIDOMNode *aResolverNode, nsIDOMNode *aOrigCtxt, nsIDOMNSXPathExpression **aResult) = 0;
/**
* Function to evaluate the given expression. aResolverNode is the xforms
* node that the expression is associated with. The other parameters are as
* required by DOM's XPathEvaluator.
*/
NS_IMETHOD Evaluate(const nsAString & aExpression, nsIDOMNode *aContextNode, PRUint32 aContextPosition, PRUint32 aContextSize, nsIDOMNode *aResolverNode, nsIDOMNode *aOrigCtxt, PRUint16 aType, nsISupports *aInResult, nsISupports **aResult) = 0;
};
#endif /* nsIXFormsXPathEvaluator_h */
|
