diff options
Diffstat (limited to 'src/Platform/ForEach.h')
| -rw-r--r-- | src/Platform/ForEach.h | 224 |
1 files changed, 112 insertions, 112 deletions
diff --git a/src/Platform/ForEach.h b/src/Platform/ForEach.h index 3ffe67fb..e0fb121f 100644 --- a/src/Platform/ForEach.h +++ b/src/Platform/ForEach.h @@ -8,115 +8,115 @@ and are governed by the Apache License 2.0 the full text of which is contained in the file License.txt included in VeraCrypt binary and source code distribution packages. -*/
-
-#ifndef TC_HEADER_Platform_ForEach
-#define TC_HEADER_Platform_ForEach
-
-namespace VeraCrypt
-{
- class ForEach
- {
- public:
- struct Container
- {
- Container () : InnerContinue (true), InnerEndCondition (false) { }
- virtual ~Container () { }
-
- void Continue () const { InnerContinue = true; }
- bool InnerIsNotEnd () const { return InnerEndCondition = !InnerEndCondition; }
- virtual bool IsNotEnd () const = 0;
- virtual void Next () const = 0;
-
- mutable bool InnerContinue;
- mutable bool InnerEndCondition;
- };
-
- protected:
- template <class T>
- struct ContainerForward : Container
- {
- ContainerForward (const T &container)
- : ContainerCopy (container), EndIterator (ContainerCopy.end()), Iterator (ContainerCopy.begin()) { }
-
- virtual bool IsNotEnd () const { bool r = InnerContinue && Iterator != EndIterator; InnerContinue = false; return r; }
- virtual void Next () const { ++Iterator; }
-
- const T ContainerCopy; // Support for temporary objects
- typename T::const_iterator EndIterator;
- mutable typename T::const_iterator Iterator;
-
- private:
- ContainerForward &operator= (const ContainerForward &);
- };
-
- template <class T>
- struct ContainerReverse : Container
- {
- ContainerReverse (const T &container)
- : ContainerCopy (container), EndIterator (ContainerCopy.rend()), Iterator (ContainerCopy.rbegin()) { }
-
- virtual bool IsNotEnd () const { bool r = InnerContinue && Iterator != EndIterator; InnerContinue = false; return r; }
- virtual void Next () const { ++Iterator; }
-
- const T ContainerCopy;
- typename T::const_reverse_iterator EndIterator;
- mutable typename T::const_reverse_iterator Iterator;
-
- private:
- ContainerReverse &operator= (const ContainerReverse &);
- };
-
- public:
- template <class T>
- static ContainerForward <T> GetContainerForward (const T &container)
- {
- return ContainerForward <T> (container);
- }
-
- template <class T>
- static ContainerReverse <T> GetContainerReverse (const T &container)
- {
- return ContainerReverse <T> (container);
- }
-
- protected:
- template <class T>
- struct TypeWrapper { };
-
- public:
- template <class T>
- static TypeWrapper <T> ToTypeWrapper (const T &x) { return TypeWrapper <T> (); }
-
- struct TypeWrapperDummy
- {
- template <class T>
- operator TypeWrapper <T> () const { return TypeWrapper <T> (); }
- };
-
- template <class T>
- static const ContainerForward <T> &GetContainerForward (const Container &forEachContainer, const TypeWrapper <T> &)
- {
- return static_cast <const ContainerForward <T> &> (forEachContainer);
- }
-
- template <class T>
- static const ContainerReverse <T> &GetContainerReverse (const Container &forEachContainer, const TypeWrapper <T> &)
- {
- return static_cast <const ContainerReverse <T> &> (forEachContainer);
- }
- };
-}
-
-
-#define FOREACH_TEMPLATE(dereference,listType,variable,listInstance) \
- for (const ForEach::Container &forEachContainer = ForEach::GetContainer##listType (listInstance); forEachContainer.IsNotEnd(); forEachContainer.Next()) \
- for (variable = dereference(ForEach::GetContainer##listType (forEachContainer, (true ? ForEach::TypeWrapperDummy() : ForEach::ToTypeWrapper (listInstance))).Iterator); forEachContainer.InnerIsNotEnd(); forEachContainer.Continue())
-
-#define foreach(variable,listInstance) FOREACH_TEMPLATE(*, Forward, variable, listInstance)
-#define foreach_ref(variable,listInstance) FOREACH_TEMPLATE(**, Forward, variable, listInstance)
-#define foreach_reverse(variable,listInstance) FOREACH_TEMPLATE(*, Reverse, variable, listInstance)
-#define foreach_reverse_ref(variable,listInstance) FOREACH_TEMPLATE(**, Reverse, variable, listInstance)
-
-
-#endif // TC_HEADER_Platform_ForEach
+*/ + +#ifndef TC_HEADER_Platform_ForEach +#define TC_HEADER_Platform_ForEach + +namespace VeraCrypt +{ + class ForEach + { + public: + struct Container + { + Container () : InnerContinue (true), InnerEndCondition (false) { } + virtual ~Container () { } + + void Continue () const { InnerContinue = true; } + bool InnerIsNotEnd () const { return InnerEndCondition = !InnerEndCondition; } + virtual bool IsNotEnd () const = 0; + virtual void Next () const = 0; + + mutable bool InnerContinue; + mutable bool InnerEndCondition; + }; + + protected: + template <class T> + struct ContainerForward : Container + { + ContainerForward (const T &container) + : ContainerCopy (container), EndIterator (ContainerCopy.end()), Iterator (ContainerCopy.begin()) { } + + virtual bool IsNotEnd () const { bool r = InnerContinue && Iterator != EndIterator; InnerContinue = false; return r; } + virtual void Next () const { ++Iterator; } + + const T ContainerCopy; // Support for temporary objects + typename T::const_iterator EndIterator; + mutable typename T::const_iterator Iterator; + + private: + ContainerForward &operator= (const ContainerForward &); + }; + + template <class T> + struct ContainerReverse : Container + { + ContainerReverse (const T &container) + : ContainerCopy (container), EndIterator (ContainerCopy.rend()), Iterator (ContainerCopy.rbegin()) { } + + virtual bool IsNotEnd () const { bool r = InnerContinue && Iterator != EndIterator; InnerContinue = false; return r; } + virtual void Next () const { ++Iterator; } + + const T ContainerCopy; + typename T::const_reverse_iterator EndIterator; + mutable typename T::const_reverse_iterator Iterator; + + private: + ContainerReverse &operator= (const ContainerReverse &); + }; + + public: + template <class T> + static ContainerForward <T> GetContainerForward (const T &container) + { + return ContainerForward <T> (container); + } + + template <class T> + static ContainerReverse <T> GetContainerReverse (const T &container) + { + return ContainerReverse <T> (container); + } + + protected: + template <class T> + struct TypeWrapper { }; + + public: + template <class T> + static TypeWrapper <T> ToTypeWrapper (const T &x) { return TypeWrapper <T> (); } + + struct TypeWrapperDummy + { + template <class T> + operator TypeWrapper <T> () const { return TypeWrapper <T> (); } + }; + + template <class T> + static const ContainerForward <T> &GetContainerForward (const Container &forEachContainer, const TypeWrapper <T> &) + { + return static_cast <const ContainerForward <T> &> (forEachContainer); + } + + template <class T> + static const ContainerReverse <T> &GetContainerReverse (const Container &forEachContainer, const TypeWrapper <T> &) + { + return static_cast <const ContainerReverse <T> &> (forEachContainer); + } + }; +} + + +#define FOREACH_TEMPLATE(dereference,listType,variable,listInstance) \ + for (const ForEach::Container &forEachContainer = ForEach::GetContainer##listType (listInstance); forEachContainer.IsNotEnd(); forEachContainer.Next()) \ + for (variable = dereference(ForEach::GetContainer##listType (forEachContainer, (true ? ForEach::TypeWrapperDummy() : ForEach::ToTypeWrapper (listInstance))).Iterator); forEachContainer.InnerIsNotEnd(); forEachContainer.Continue()) + +#define foreach(variable,listInstance) FOREACH_TEMPLATE(*, Forward, variable, listInstance) +#define foreach_ref(variable,listInstance) FOREACH_TEMPLATE(**, Forward, variable, listInstance) +#define foreach_reverse(variable,listInstance) FOREACH_TEMPLATE(*, Reverse, variable, listInstance) +#define foreach_reverse_ref(variable,listInstance) FOREACH_TEMPLATE(**, Reverse, variable, listInstance) + + +#endif // TC_HEADER_Platform_ForEach |