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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
//
// SAXParser.cpp
//
// Library: XML
// Package: SAX
// Module: SAX
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/SAX/SAXParser.h"
#include "Poco/SAX/SAXException.h"
#include "Poco/SAX/EntityResolverImpl.h"
#include "Poco/SAX/InputSource.h"
#include "Poco/XML/NamespaceStrategy.h"
#include <sstream>
namespace Poco {
namespace XML {
const XMLString SAXParser::FEATURE_PARTIAL_READS = toXMLString("http://www.appinf.com/features/enable-partial-reads");
SAXParser::SAXParser():
_namespaces(true),
_namespacePrefixes(false)
{
}
SAXParser::SAXParser(const XMLString& encoding):
_engine(encoding),
_namespaces(true),
_namespacePrefixes(false)
{
}
SAXParser::~SAXParser()
{
}
void SAXParser::setEncoding(const XMLString& encoding)
{
_engine.setEncoding(encoding);
}
const XMLString& SAXParser::getEncoding() const
{
return _engine.getEncoding();
}
void SAXParser::addEncoding(const XMLString& name, Poco::TextEncoding* pEncoding)
{
_engine.addEncoding(name, pEncoding);
}
void SAXParser::setEntityResolver(EntityResolver* pResolver)
{
_engine.setEntityResolver(pResolver);
}
EntityResolver* SAXParser::getEntityResolver() const
{
return _engine.getEntityResolver();
}
void SAXParser::setDTDHandler(DTDHandler* pDTDHandler)
{
_engine.setDTDHandler(pDTDHandler);
}
DTDHandler* SAXParser::getDTDHandler() const
{
return _engine.getDTDHandler();
}
void SAXParser::setContentHandler(ContentHandler* pContentHandler)
{
_engine.setContentHandler(pContentHandler);
}
ContentHandler* SAXParser::getContentHandler() const
{
return _engine.getContentHandler();
}
void SAXParser::setErrorHandler(ErrorHandler* pErrorHandler)
{
_engine.setErrorHandler(pErrorHandler);
}
ErrorHandler* SAXParser::getErrorHandler() const
{
return _engine.getErrorHandler();
}
void SAXParser::setFeature(const XMLString& featureId, bool state)
{
if (featureId == XMLReader::FEATURE_VALIDATION || featureId == XMLReader::FEATURE_STRING_INTERNING)
throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_VALIDATION));
else if (featureId == XMLReader::FEATURE_EXTERNAL_GENERAL_ENTITIES)
_engine.setExternalGeneralEntities(state);
else if (featureId == XMLReader::FEATURE_EXTERNAL_PARAMETER_ENTITIES)
_engine.setExternalParameterEntities(state);
else if (featureId == XMLReader::FEATURE_NAMESPACES)
_namespaces = state;
else if (featureId == XMLReader::FEATURE_NAMESPACE_PREFIXES)
_namespacePrefixes = state;
else if (featureId == FEATURE_PARTIAL_READS)
_engine.setEnablePartialReads(state);
else throw SAXNotRecognizedException(fromXMLString(featureId));
}
bool SAXParser::getFeature(const XMLString& featureId) const
{
if (featureId == XMLReader::FEATURE_VALIDATION || featureId == XMLReader::FEATURE_STRING_INTERNING)
throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_VALIDATION));
else if (featureId == XMLReader::FEATURE_EXTERNAL_GENERAL_ENTITIES)
return _engine.getExternalGeneralEntities();
else if (featureId == XMLReader::FEATURE_EXTERNAL_PARAMETER_ENTITIES)
return _engine.getExternalParameterEntities();
else if (featureId == XMLReader::FEATURE_NAMESPACES)
return _namespaces;
else if (featureId == XMLReader::FEATURE_NAMESPACE_PREFIXES)
return _namespacePrefixes;
else if (featureId == FEATURE_PARTIAL_READS)
return _engine.getEnablePartialReads();
else throw SAXNotRecognizedException(fromXMLString(featureId));
}
void SAXParser::setProperty(const XMLString& propertyId, const XMLString& /*value*/)
{
if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER || propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
throw SAXNotSupportedException(std::string("property does not take a string value: ") + fromXMLString(propertyId));
else
throw SAXNotRecognizedException(fromXMLString(propertyId));
}
void SAXParser::setProperty(const XMLString& propertyId, void* value)
{
if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER)
_engine.setDeclHandler(reinterpret_cast<DeclHandler*>(value));
else if (propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
_engine.setLexicalHandler(reinterpret_cast<LexicalHandler*>(value));
else throw SAXNotRecognizedException(fromXMLString(propertyId));
}
void* SAXParser::getProperty(const XMLString& propertyId) const
{
if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER)
return _engine.getDeclHandler();
else if (propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
return _engine.getLexicalHandler();
else throw SAXNotSupportedException(fromXMLString(propertyId));
}
void SAXParser::parse(InputSource* pInputSource)
{
if (pInputSource->getByteStream() || pInputSource->getCharacterStream())
{
setupParse();
_engine.parse(pInputSource);
}
else parse(pInputSource->getSystemId());
}
void SAXParser::parse(const XMLString& systemId)
{
setupParse();
EntityResolverImpl entityResolver;
InputSource* pInputSource = entityResolver.resolveEntity(0, systemId);
if (pInputSource)
{
try
{
_engine.parse(pInputSource);
}
catch (...)
{
entityResolver.releaseInputSource(pInputSource);
throw;
}
entityResolver.releaseInputSource(pInputSource);
}
else throw XMLException("Cannot resolve system identifier", fromXMLString(systemId));
}
void SAXParser::parseString(const std::string& xml)
{
parseMemoryNP(xml.data(), xml.size());
}
void SAXParser::parseMemoryNP(const char* xml, std::size_t size)
{
setupParse();
_engine.parse(xml, size);
}
void SAXParser::setupParse()
{
if (_namespaces && !_namespacePrefixes)
_engine.setNamespaceStrategy(new NoNamespacePrefixesStrategy);
else if (_namespaces && _namespacePrefixes)
_engine.setNamespaceStrategy(new NamespacePrefixesStrategy);
else
_engine.setNamespaceStrategy(new NoNamespacesStrategy);
}
} } // namespace Poco::XML
|
