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Platform.h
1 /*
2 * #%L
3 * OME-XALAN C++ library for working with Xalan C++.
4 * %%
5 * Copyright © 2016 Open Microscopy Environment:
6 * - Massachusetts Institute of Technology
7 * - National Institutes of Health
8 * - University of Dundee
9 * - Board of Regents of the University of Wisconsin-Madison
10 * - Glencoe Software, Inc.
11 * %%
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 * The views and conclusions contained in the software and documentation are
34 * those of the authors and should not be interpreted as representing official
35 * policies, either expressed or implied, of any organization.
36 * #L%
37 */
38
39 #ifndef OME_COMMON_XSL_PLATFORM_H
40 #define OME_COMMON_XSL_PLATFORM_H
41
42 #include <boost/thread.hpp>
43
44 #include <ome/compat/cstdint.h>
45
46 #include <ome/common/xml/Platform.h>
47
48 #include <xalanc/XalanTransformer/XalanTransformer.hpp>
49
50 namespace ome
51 {
52 namespace common
53 {
60 namespace xsl
61 {
62
77 class Platform
78 {
79 public:
89 Platform(bool skip = false):
90 xmlplatform(),
91 skip(skip)
92 {
93 boost::lock_guard<boost::mutex> lock(mutex);
94
95 // Only call initialize for first instance.
96 if (refcount == 0 && !skip)
97 xalanc::XalanTransformer::initialize();
98 ++refcount;
99 }
100
104 ~Platform()
105 {
106 boost::lock_guard<boost::mutex> lock(mutex);
107
108 // Only call terminate for last instance.
109 // refcount will never be zero at this point.
110 if (refcount == 1 && !skip)
111 xalanc::XalanTransformer::terminate();
112 --refcount;
113 }
114
115 private:
117 xml::Platform xmlplatform;
119 bool skip;
121 static boost::mutex mutex;
123 static uint32_t refcount;
124 };
125
126 }
127 }
128 }
129
130 #endif // OME_COMMON_XSL_PLATFORM_H
131
132 /*
133 * Local Variables:
134 * mode:C++
135 * End:
136 */
ome::common::xml::Platform
XML Platform.
Definition: Platform.h:70
ome::common::xsl::Platform::Platform
Platform(bool skip=false)
Construct a Platform.
Definition: Platform.h:89
ome::common::xsl::Platform::skip
bool skip
Skip initialize and terminate calls.
Definition: Platform.h:119
ome::common::xsl::Platform::xmlplatform
xml::Platform xmlplatform
Xerces-C++ platform.
Definition: Platform.h:117
ome
Definition: boolean.h:48
ome::common::xsl::Platform::refcount
static uint32_t refcount
Reference count.
Definition: Platform.h:123
cstdint.h
Standard integer types.
ome::common::xsl::Platform::~Platform
~Platform()
Destructor.
Definition: Platform.h:104
ome::common::xsl::Platform
XSL Platform.
Definition: Platform.h:77
ome::common::xsl::Platform::mutex
static boost::mutex mutex
Mutex to lock libxalan access.
Definition: Platform.h:121