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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* Copyright 2002-2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* XSEC
*
* DSIGTransformXPathFilter := Class that performs XPath Filter
* transforms
*
* $Id: DSIGTransformXPathFilter.hpp 351364 2005-06-04 11:30:26Z blautenb $
*
*/
#ifndef DSIGTRANSFORMXPATHFILTER_INCLUDE
#define DSIGTRANSFORMXPATHFILTER_INCLUDE
#include <xsec/dsig/DSIGTransform.hpp>
#include <xsec/utils/XSECSafeBuffer.hpp>
XSEC_DECLARE_XERCES_CLASS(DOMNamedNodeMap);
XSEC_DECLARE_XERCES_CLASS(DOMNode);
#include <vector>
class DSIGXPathFilterExpr;
/**
* @ingroup pubsig
*/
/**
* @brief Transform holder for XPath Filter transforms.
*
* The DSIGTransformXPath class is used to hold XPath \<Transform\> elements
* within a document.
*
* @see TXFMXPath
* @see DSIGTransform
*
*/
class DSIG_EXPORT DSIGTransformXPathFilter : public DSIGTransform {
public:
/**
* \brief Vector used to pass the actual expressions into the transformer
*/
typedef std::vector<DSIGXPathFilterExpr *> exprVectorType;
/** @name Constructors and Destructors */
//@{
/**
* \brief Contructor used for existing XML signatures.
*
* The Node structure already exists, so read the nodes in.
*
* @param env The operating environment
* @param node The DOM node (within doc) that is to be used as the base of the Transform.
* @see #load
*/
DSIGTransformXPathFilter(const XSECEnv * env, XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * node);
/**
* \brief Contructor used for new signatures.
*
* The Node structure will have to be created.
*
* @note DSIGTransform structures should only ever be created via calls to a
* DSIGTransformList object.
*
* @param env The operating environment
* @see createBlankTransform
*/
DSIGTransformXPathFilter(const XSECEnv * env);
/**
* \brief Destructor.
*
* Destroy the DSIGSignature elements.
*
* Does not destroy any associated DOM Nodes
*/
virtual ~DSIGTransformXPathFilter();
//@}
/** @name Interface Methods */
//@{
/**
* \brief Determine the transform type.
*
* Used to determine what the type of the transform is.
*
*/
virtual transformType getTransformType();
/**
* \brief Create the XPath Filter Transformer class.
*
* Create the transformer associated with this XPath transform.
* Will set the expression and Namespaces as appropriate
*
* @returns The TXFMXPath transformer associated with this Transform
*/
virtual void appendTransformer(TXFMChain * input);
/**
* \brief Construct blank XPath Transform element.
*
* Instruct the implementation to create the required
* transform and return the newly constructed DOMNode structure
*/
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMElement *
createBlankTransform(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * parentDoc);
/**
* \brief Load a DOM structure
*
* Load the expression and Namespaces.
*
*/
virtual void load(void);
//@}
/** @name XPathFilter specific methods */
//@{
/**
* \brief Append a new filter to the transform
*
* Appends the indicated filter (of given type) to the list of
* filters in the transform.
*
* @param filterType The type of this filter
* @param filterExpr The XPath expression to use
* @returns The filter expression
*/
DSIGXPathFilterExpr * appendFilter(xpathFilterType filterType,
const XMLCh * filterExpr);
/**
* \brief Retrieve number of expressions
*
* Allows callers to determine how many expressions there are in
* this filter
*
* @returns The number of expressions
*/
unsigned int getExprNum(void);
/**
* \brief Get expression.
*
* Allows the caller to retrieve the specified expression from the
* XPath Filter object
*
* @param n The index of the expression to retrieve
* @returns The indicated expression
*/
DSIGXPathFilterExpr * expr(unsigned int n);
//@}
private:
DSIGTransformXPathFilter();
DSIGTransformXPathFilter(const DSIGTransformXPathFilter & theOther);
bool m_loaded;
// The expressions
exprVectorType m_exprs;
};
#endif /* DSIGTRANSFORMXPATHFILTER_INCLUDE */
|
