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authorweidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>2004-07-22 00:51:57 +0000
committerweidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>2004-07-22 00:51:57 +0000
commita2828f6ae67c3d7294118a8144b1b2ec431237c4 (patch)
treefaff40f3429fb7fb70249c83afd5378f92ebdb31 /factory.h
parente87d537834e72b242b4c16b99f0a40586940104b (diff)
downloadcryptopp-a2828f6ae67c3d7294118a8144b1b2ec431237c4.tar.gz
fix documentation, fix PanamaMAC, fix algorithm names
git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@186 57ff6487-cd31-0410-9ec3-f628ee90f5f0
Diffstat (limited to 'factory.h')
-rw-r--r--factory.h26
1 files changed, 19 insertions, 7 deletions
diff --git a/factory.h b/factory.h
index b9c96e6..67c9768 100644
--- a/factory.h
+++ b/factory.h
@@ -6,6 +6,7 @@
NAMESPACE_BEGIN(CryptoPP)
+//! _
template <class AbstractClass>
class ObjectFactory
{
@@ -13,6 +14,7 @@ public:
virtual AbstractClass * CreateObject() const =0;
};
+//! _
template <class AbstractClass, class ConcreteClass>
class DefaultObjectFactory : public ObjectFactory<AbstractClass>
{
@@ -24,10 +26,17 @@ public:
};
+//! _
template <class AbstractClass, int instance=0>
class ObjectFactoryRegistry
{
public:
+ class FactoryNotFound : public Exception
+ {
+ public:
+ FactoryNotFound(const char *name) : Exception(OTHER_ERROR, std::string("ObjectFactoryRegistry: could not find factory for algorithm ") + name) {}
+ };
+
~ObjectFactoryRegistry()
{
for (CPP_TYPENAME Map::iterator i = m_map.begin(); i != m_map.end(); ++i)
@@ -37,7 +46,7 @@ public:
}
}
- void RegisterFactory(const char *name, ObjectFactory<AbstractClass> *factory)
+ void RegisterFactory(const std::string &name, ObjectFactory<AbstractClass> *factory)
{
m_map[name] = factory;
}
@@ -51,7 +60,9 @@ public:
AbstractClass *CreateObject(const char *name) const
{
const ObjectFactory<AbstractClass> *factory = GetFactory(name);
- return factory ? factory->CreateObject() : NULL;
+ if (!factory)
+ throw FactoryNotFound(name);
+ return factory->CreateObject();
}
// VC60 workaround: use "..." to prevent this function from being inlined
@@ -72,27 +83,28 @@ ObjectFactoryRegistry<AbstractClass, instance> & ObjectFactoryRegistry<AbstractC
template <class AbstractClass, class ConcreteClass, int instance = 0>
struct RegisterDefaultFactoryFor {
-RegisterDefaultFactoryFor(const char *name)
+RegisterDefaultFactoryFor(const char *name=NULL)
{
- ObjectFactoryRegistry<AbstractClass, instance>::Registry().RegisterFactory(name, new DefaultObjectFactory<AbstractClass, ConcreteClass>);
+ ObjectFactoryRegistry<AbstractClass, instance>::Registry().
+ RegisterFactory(name ? name : ConcreteClass::StaticAlgorithmName(), new DefaultObjectFactory<AbstractClass, ConcreteClass>);
}};
template <class SchemeClass>
-void RegisterAsymmetricCipherDefaultFactories(const char *name, SchemeClass *dummy=NULL)
+void RegisterAsymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL)
{
RegisterDefaultFactoryFor<PK_Encryptor, CPP_TYPENAME SchemeClass::Encryptor>((const char *)name);
RegisterDefaultFactoryFor<PK_Decryptor, CPP_TYPENAME SchemeClass::Decryptor>((const char *)name);
}
template <class SchemeClass>
-void RegisterSignatureSchemeDefaultFactories(const char *name, SchemeClass *dummy=NULL)
+void RegisterSignatureSchemeDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL)
{
RegisterDefaultFactoryFor<PK_Signer, CPP_TYPENAME SchemeClass::Signer>((const char *)name);
RegisterDefaultFactoryFor<PK_Verifier, CPP_TYPENAME SchemeClass::Verifier>((const char *)name);
}
template <class SchemeClass>
-void RegisterSymmetricCipherDefaultFactories(const char *name, SchemeClass *dummy=NULL)
+void RegisterSymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL)
{
RegisterDefaultFactoryFor<SymmetricCipher, CPP_TYPENAME SchemeClass::Encryption, ENCRYPTION>((const char *)name);
RegisterDefaultFactoryFor<SymmetricCipher, CPP_TYPENAME SchemeClass::Decryption, DECRYPTION>((const char *)name);