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author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/CppUnit/src/ProtectorChain.cpp | |
download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 |
Import.
Diffstat (limited to '3rdParty/CppUnit/src/ProtectorChain.cpp')
-rw-r--r-- | 3rdParty/CppUnit/src/ProtectorChain.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/3rdParty/CppUnit/src/ProtectorChain.cpp b/3rdParty/CppUnit/src/ProtectorChain.cpp new file mode 100644 index 0000000..f528341 --- /dev/null +++ b/3rdParty/CppUnit/src/ProtectorChain.cpp @@ -0,0 +1,86 @@ +#include "ProtectorChain.h" + +CPPUNIT_NS_BEGIN + + +class ProtectorChain::ProtectFunctor : public Functor +{ +public: + ProtectFunctor( Protector *protector, + const Functor &functor, + const ProtectorContext &context ) + : m_protector( protector ) + , m_functor( functor ) + , m_context( context ) + { + } + + bool operator()() const + { + return m_protector->protect( m_functor, m_context ); + } + +private: + Protector *m_protector; + const Functor &m_functor; + const ProtectorContext &m_context; +}; + + +ProtectorChain::~ProtectorChain() +{ + while ( count() > 0 ) + pop(); +} + + +void +ProtectorChain::push( Protector *protector ) +{ + m_protectors.push_back( protector ); +} + + +void +ProtectorChain::pop() +{ + delete m_protectors.back(); + m_protectors.pop_back(); +} + +int +ProtectorChain::count() const +{ + return m_protectors.size(); +} + + +bool +ProtectorChain::protect( const Functor &functor, + const ProtectorContext &context ) +{ + if ( m_protectors.empty() ) + return functor(); + + Functors functors; + for ( int index = m_protectors.size()-1; index >= 0; --index ) + { + const Functor &protectedFunctor = + functors.empty() ? functor : *functors.back(); + + functors.push_back( new ProtectFunctor( m_protectors[index], + protectedFunctor, + context ) ); + } + + const Functor &outermostFunctor = *functors.back(); + bool succeed = outermostFunctor(); + + for ( unsigned int deletingIndex = 0; deletingIndex < m_protectors.size(); ++deletingIndex ) + delete functors[deletingIndex]; + + return succeed; +} + + +CPPUNIT_NS_END |