added ace + vcproj for win

--HG-- branch : trunk
2010-06-07 19:10:55 +02:00
parent 2e0f8fb6e5
commit 32546e2282
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+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Based_Pointer_T.h
+ *
+ *  $Id: Based_Pointer_T.h 81705 2008-05-15 14:02:02Z johnnyw $
+ *
+ *  @author Dietrich Quehl <[email protected]>
+ *  @author Douglas C. Schmidt <[email protected]>
+ */
+//=============================================================================
+
+#ifndef ACE_BASED_POINTER_T_H
+#define ACE_BASED_POINTER_T_H
+
+#include /**/ "ace/pre.h"
+
+#include /**/ "ace/config-all.h"
+#include "ace/Basic_Types.h"
+
+#if defined (_MSC_VER)
+// Suppress warning e.g. "return type for
+// 'ACE_Based_Pointer<long>::operator ->' is 'long *' (i.e., not a UDT
+// or reference to a UDT.  Will produce errors if applied using infix
+// notation)"
+#pragma warning(disable: 4284)
+#endif /* _MSC_VER */
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_Based_Pointer_Basic
+ *
+ * @brief A proxy that keeps track of the relative offset of a "pointer"
+ * from its base address.
+ * This class makes it possible to transparently use "pointers" in
+ * shared memory as easily as programming with pointers to local
+ * memory.  In particular, we don't need to ensure that the base
+ * addresses of all the pointers are mapped into separate
+ * processes at the same absolute memory base address.
+ */
+template <class CONCRETE>
+class ACE_Based_Pointer_Basic
+{
+public:
+  /**
+   * This constructor initializes the <base_offset_> by asking the
+   * <ACE_BASED_POINTER_REPOSITORY> Singleton for the base address of
+   * the memory region within which it is instantiated.  Two results
+   * are possible:
+   *
+   * 1. An <ACE_*_Memory_Pool> has stored a base address/size pair and the
+   *    new based-pointer instance is located between the base address and
+   *    the base address + size - 1.  In this case, the repository
+   *    returns the base address.
+   *
+   * 2. No suitable address/size pair was found.  The repository
+   *    assumes an address in the regular (not mapped) virtual address
+   *    space of the process and returns 0.  In this case, the
+   *    based-pointer uses its address as an offset to it's base
+   *    address 0.
+   */
+  ACE_Based_Pointer_Basic (void);
+
+  /**
+   * Initialize this object using the @a initial pointer.  This
+   * constructor initializes the <base_offset_> by asking the
+   * <ACE_BASED_POINTER_REPOSITORY> Singleton for the base address of
+   * the memory region within which it is instantiated.  Three results
+   * are possible:
+   *
+   * 1. An <ACE_*_Memory_Pool> has stored a base address/size pair and the
+   *    new based-pointer instance is located between the base address and
+   *    the base address + size - 1.  In this case, the repository
+   *    returns the base address.
+   *
+   * 2. No suitable address/size pair was found.  The repository
+   *    assumes an address in the regular (not mapped) virtual address
+   *    space of the process and returns 0.  In this case, the
+   *    based-pointer uses its address as an offset to its base
+   *    address 0.
+   *
+   * 3. If @a initial is 0 then set the value of <target_> to -1, which
+   *    indicates a "NULL" pointer.
+   */
+  ACE_Based_Pointer_Basic (CONCRETE *initial);
+
+  /// Copy constructor.
+  ACE_Based_Pointer_Basic (const ACE_Based_Pointer_Basic<CONCRETE> &);
+
+  /// Constructor for know base address. @a o is only used to
+  /// resolve overload ambiguity.
+  ACE_Based_Pointer_Basic (const void *base_addr, int o);
+
+  /// Pseudo-assignment operator.
+  void operator = (CONCRETE *from);
+
+  /// Pseudo-assignment operator.
+  void operator = (const ACE_Based_Pointer_Basic<CONCRETE> &);
+
+  /// Dereference operator.
+  CONCRETE operator * (void) const;
+
+  /// Less than operator.
+  bool operator < (const ACE_Based_Pointer_Basic<CONCRETE> &) const;
+
+  /// Less than or equal operator.
+  bool operator <= (const ACE_Based_Pointer_Basic<CONCRETE> &) const;
+
+  /// Greater than operator.
+  bool operator > (const ACE_Based_Pointer_Basic<CONCRETE> &) const;
+
+  /// Greater than or equal operator.
+  bool operator >= (const ACE_Based_Pointer_Basic<CONCRETE> &) const;
+
+  /// Equality operator.
+  bool operator == (const ACE_Based_Pointer_Basic<CONCRETE> &) const;
+
+  /// Inequality operator.
+  bool operator != (const ACE_Based_Pointer_Basic<CONCRETE> &) const;
+
+  /// Subscript operator.
+  CONCRETE operator [](int index) const;
+
+  /// Increment operator.
+  void operator+= (int index);
+
+  /// Returns the underlying memory address of the smart pointer.
+  operator CONCRETE *() const;
+
+  /// Returns the underlying memory address of the smart pointer.
+  CONCRETE *addr (void) const;
+
+  /// Declare the dynamic allocation hooks.
+  ACE_ALLOC_HOOK_DECLARE;
+
+  /// Dump the state of the object.
+  void dump (void) const;
+
+protected:
+  ptrdiff_t target_;
+
+  /// Keep track of our offset from the base pointer.
+  ptrdiff_t base_offset_;
+};
+
+/**
+ * @class ACE_Based_Pointer
+ *
+ * @brief A smart proxy that keeps track of the relative offset of a
+ * "pointer" from its base address.
+ *
+ * This class makes it possible to transparently use "pointers" in
+ * shared memory as easily as programming with pointers to local
+ * memory by overloading the C++ delegation operator ->().
+ */
+template <class CONCRETE>
+class ACE_Based_Pointer : public ACE_Based_Pointer_Basic<CONCRETE>
+{
+public:
+  // = Initialization method.
+  /// Constructor.  See constructor for ACE_Based_Pointer_Basic for
+  /// details.
+  ACE_Based_Pointer (void);
+
+  /// Initialize this object using the <initial> pointer.  See
+  /// constructor for ACE_Based_Pointer_Basic for details.
+  ACE_Based_Pointer (CONCRETE *initial);
+
+  /// Initialize this object with known @a base_addr.  @a dummy is
+  /// a dummy value used to resolve overload ambiguity and it
+  /// otherwise ignored.
+  ACE_Based_Pointer (const void *base_addr, int dummy);
+
+  /// Copy constructor (not implemented yet).
+  ACE_Based_Pointer (const ACE_Based_Pointer<CONCRETE> &);
+
+  /// Assignment operator.
+  void operator = (const ACE_Based_Pointer<CONCRETE> &);
+
+  /// Pseudo-assignment operator.
+  void operator = (CONCRETE *from);
+
+  /// The C++ "delegation operator".
+  CONCRETE *operator-> (void);
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#if defined (__ACE_INLINE__)
+#include "ace/Based_Pointer_T.inl"
+#endif /* __ACE_INLINE__ */
+
+#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
+#include "ace/Based_Pointer_T.cpp"
+#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
+
+#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
+#pragma implementation ("Based_Pointer_T.cpp")
+#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
+
+#include /**/ "ace/post.h"
+
+#endif /* ACE_BASED_POINTER_T_H */