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
104
105
106
107
108
109
110
111
112
113
114
115
|
/* -*- 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 TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* The MITRE Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Keith Visco <kvisco@ziplink.net> (Original Author)
*
* 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 ***** */
/**
* AttributeValueTemplate
**/
#include "Expr.h"
#include "ExprResult.h"
#include "txIXPathContext.h"
/**
* Create a new AttributeValueTemplate
**/
AttributeValueTemplate::AttributeValueTemplate() {}
/**
* Default destructor
**/
AttributeValueTemplate::~AttributeValueTemplate() {
txListIterator iter(&expressions);
while (iter.hasNext()) {
delete (Expr*)iter.next();
}
} //-- ~AttributeValueTemplate
/**
* Adds the given Expr to this AttributeValueTemplate
**/
void AttributeValueTemplate::addExpr(Expr* expr) {
if (expr) expressions.add(expr);
} //-- addExpr
/**
* Evaluates this Expr based on the given context node and processor state
* @param context the context node for evaluation of this Expr
* @param ps the ContextState containing the stack information needed
* for evaluation
* @return the result of the evaluation
**/
nsresult
AttributeValueTemplate::evaluate(txIEvalContext* aContext,
txAExprResult** aResult)
{
*aResult = nsnull;
txListIterator iter(&expressions);
nsRefPtr<StringResult> strRes;
nsresult rv = aContext->recycler()->getStringResult(getter_AddRefs(strRes));
NS_ENSURE_SUCCESS(rv, rv);
while (iter.hasNext()) {
Expr* expr = (Expr*)iter.next();
nsRefPtr<txAExprResult> exprResult;
nsresult rv = expr->evaluate(aContext, getter_AddRefs(exprResult));
NS_ENSURE_SUCCESS(rv, rv);
exprResult->stringValue(strRes->mValue);
}
*aResult = strRes;
NS_ADDREF(*aResult);
return NS_OK;
} //-- evaluate
#ifdef TX_TO_STRING
void
AttributeValueTemplate::toString(nsAString& str)
{
txListIterator iter(&expressions);
while (iter.hasNext()) {
str.Append(PRUnichar('{'));
Expr* expr = (Expr*)iter.next();
expr->toString(str);
str.Append(PRUnichar('}'));
}
}
#endif
|
