1 | // |
---|
2 | // ClassLibrary.h |
---|
3 | // |
---|
4 | // $Id: //poco/1.3/Foundation/include/Poco/ClassLibrary.h#3 $ |
---|
5 | // |
---|
6 | // Library: Foundation |
---|
7 | // Package: SharedLibrary |
---|
8 | // Module: ClassLoader |
---|
9 | // |
---|
10 | // Definitions for class libraries. |
---|
11 | // |
---|
12 | // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. |
---|
13 | // and Contributors. |
---|
14 | // |
---|
15 | // Permission is hereby granted, free of charge, to any person or organization |
---|
16 | // obtaining a copy of the software and accompanying documentation covered by |
---|
17 | // this license (the "Software") to use, reproduce, display, distribute, |
---|
18 | // execute, and transmit the Software, and to prepare derivative works of the |
---|
19 | // Software, and to permit third-parties to whom the Software is furnished to |
---|
20 | // do so, all subject to the following: |
---|
21 | // |
---|
22 | // The copyright notices in the Software and this entire statement, including |
---|
23 | // the above license grant, this restriction and the following disclaimer, |
---|
24 | // must be included in all copies of the Software, in whole or in part, and |
---|
25 | // all derivative works of the Software, unless such copies or derivative |
---|
26 | // works are solely in the form of machine-executable object code generated by |
---|
27 | // a source language processor. |
---|
28 | // |
---|
29 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
---|
30 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
---|
31 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
---|
32 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
---|
33 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
---|
34 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
---|
35 | // DEALINGS IN THE SOFTWARE. |
---|
36 | // |
---|
37 | |
---|
38 | |
---|
39 | #ifndef Foundation_ClassLibrary_INCLUDED |
---|
40 | #define Foundation_ClassLibrary_INCLUDED |
---|
41 | |
---|
42 | |
---|
43 | #include "Poco/Foundation.h" |
---|
44 | #include "Poco/Manifest.h" |
---|
45 | #include <typeinfo> |
---|
46 | |
---|
47 | |
---|
48 | #if defined(_WIN32) |
---|
49 | #define POCO_LIBRARY_API __declspec(dllexport) |
---|
50 | #else |
---|
51 | #define POCO_LIBRARY_API |
---|
52 | #endif |
---|
53 | |
---|
54 | |
---|
55 | // |
---|
56 | // the entry points for every class library |
---|
57 | // |
---|
58 | extern "C" |
---|
59 | { |
---|
60 | bool POCO_LIBRARY_API pocoBuildManifest(Poco::ManifestBase* pManifest); |
---|
61 | void POCO_LIBRARY_API pocoInitializeLibrary(); |
---|
62 | void POCO_LIBRARY_API pocoUninitializeLibrary(); |
---|
63 | } |
---|
64 | |
---|
65 | |
---|
66 | // |
---|
67 | // additional support for named manifests |
---|
68 | // |
---|
69 | #define POCO_DECLARE_NAMED_MANIFEST(name) \ |
---|
70 | extern "C" \ |
---|
71 | { \ |
---|
72 | bool POCO_LIBRARY_API POCO_JOIN(pocoBuildManifest, name)(Poco::ManifestBase* pManifest); \ |
---|
73 | } |
---|
74 | |
---|
75 | |
---|
76 | // |
---|
77 | // Macros to automatically implement pocoBuildManifest |
---|
78 | // |
---|
79 | // usage: |
---|
80 | // |
---|
81 | // POCO_BEGIN_MANIFEST(MyBaseClass) |
---|
82 | // POCO_EXPORT_CLASS(MyFirstClass) |
---|
83 | // POCO_EXPORT_CLASS(MySecondClass) |
---|
84 | // ... |
---|
85 | // POCO_END_MANIFEST |
---|
86 | // |
---|
87 | #define POCO_BEGIN_MANIFEST_IMPL(fnName, base) \ |
---|
88 | bool fnName(Poco::ManifestBase* pManifest_) \ |
---|
89 | { \ |
---|
90 | typedef base _Base; \ |
---|
91 | typedef Poco::Manifest<_Base> _Manifest; \ |
---|
92 | std::string requiredType(typeid(_Manifest).name()); \ |
---|
93 | std::string actualType(pManifest_->className()); \ |
---|
94 | if (requiredType == actualType) \ |
---|
95 | { \ |
---|
96 | Poco::Manifest<_Base>* pManifest = static_cast<_Manifest*>(pManifest_); |
---|
97 | |
---|
98 | |
---|
99 | #define POCO_BEGIN_MANIFEST(base) \ |
---|
100 | POCO_BEGIN_MANIFEST_IMPL(pocoBuildManifest, base) |
---|
101 | |
---|
102 | |
---|
103 | #define POCO_BEGIN_NAMED_MANIFEST(name, base) \ |
---|
104 | POCO_DECLARE_NAMED_MANIFEST(name) \ |
---|
105 | POCO_BEGIN_MANIFEST_IMPL(POCO_JOIN(pocoBuildManifest, name), base) |
---|
106 | |
---|
107 | |
---|
108 | #define POCO_END_MANIFEST \ |
---|
109 | return true; \ |
---|
110 | } \ |
---|
111 | else return false; \ |
---|
112 | } |
---|
113 | |
---|
114 | |
---|
115 | #define POCO_EXPORT_CLASS(cls) \ |
---|
116 | pManifest->insert(new Poco::MetaObject<cls, _Base>(#cls)); |
---|
117 | |
---|
118 | |
---|
119 | #define POCO_EXPORT_SINGLETON(cls) \ |
---|
120 | pManifest->insert(new Poco::MetaSingleton<cls, _Base>(#cls)); |
---|
121 | |
---|
122 | |
---|
123 | #endif // Foundation_ClassLibrary_INCLUDED |
---|