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Diff for /pegasus/src/Pegasus/Common/ArrayImpl.h between version 1.4 and 1.29

version 1.4, 2001/07/10 06:43:21 version 1.29, 2005/11/04 19:11:59
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 //%/////////////////////////////////////////////////////////////////////////////  //%2005////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001 The Open group, BMC Software, Tivoli Systems, IBM  // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
   // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
   // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation, The Open Group.
   // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; VERITAS Software Corporation; The Open Group.
 // //
 // Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
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 // //
 // Author: Mike Brasher (mbrasher@bmc.com) // Author: Mike Brasher (mbrasher@bmc.com)
 // //
 // Modified By:  // Modified By: Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
   //              Mike Brasher, Inova Europe (mike-brasher@austin.rr.com)
 // //
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 #if defined(PEGASUS_EXPLICIT_INSTANTIATION) || !defined(PEGASUS_ARRAY_T)  // Only include if not included as general template or if explicit instantiation
   #if !defined(Pegasus_ArrayImpl_h) || defined(PEGASUS_ARRAY_T)
   #if !defined(PEGASUS_ARRAY_T)
   #define Pegasus_ArrayImpl_h
   #endif
   
   PEGASUS_NAMESPACE_END
   
   #include <Pegasus/Common/Memory.h>
   #include <Pegasus/Common/ArrayRep.h>
   #include <Pegasus/Common/InternalException.h>
   #include <Pegasus/Common/Linkage.h>
   
   PEGASUS_NAMESPACE_BEGIN
   
   PEGASUS_COMMON_LINKAGE void ArrayThrowIndexOutOfBoundsException();
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 Array<PEGASUS_ARRAY_T>::Array() Array<PEGASUS_ARRAY_T>::Array()
 { {
     _rep = Rep::getNullRep();      _rep = &ArrayRepBase::_empty_rep;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 Array<PEGASUS_ARRAY_T>::Array(const Array<PEGASUS_ARRAY_T>& x) Array<PEGASUS_ARRAY_T>::Array(const Array<PEGASUS_ARRAY_T>& x)
 { {
     Rep::inc(_rep = x._rep);      _rep = x._rep;
       ArrayRep<PEGASUS_ARRAY_T>::ref(Array_rep);
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 Array<PEGASUS_ARRAY_T>::Array(Uint32 size) Array<PEGASUS_ARRAY_T>::Array(Uint32 size)
 { {
     _rep = Rep::create(size);      _rep = ArrayRep<PEGASUS_ARRAY_T>::alloc(size);
     InitializeRaw(_rep->data(), size);  
       if (!_rep)
       {
           throw NullPointer();
       }
   
       InitializeRaw(Array_data, size);
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 Array<PEGASUS_ARRAY_T>::Array(Uint32 size, const PEGASUS_ARRAY_T& x) Array<PEGASUS_ARRAY_T>::Array(Uint32 size, const PEGASUS_ARRAY_T& x)
 { {
     _rep = Rep::create(size);      _rep = ArrayRep<PEGASUS_ARRAY_T>::alloc(size);
   
       if (!_rep)
       {
           throw NullPointer();
       }
   
       PEGASUS_ARRAY_T* data = Array_data;
  
     PEGASUS_ARRAY_T* data = _rep->data();      // Note: we could use template specialization (by adding functions to
       // Memory.h) so that this loop becomes a memset() for single byte raw
       // types, but this function is rarely called.
  
     while (size--)     while (size--)
         new(data++) PEGASUS_ARRAY_T(x);         new(data++) PEGASUS_ARRAY_T(x);
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 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 Array<PEGASUS_ARRAY_T>::Array(const PEGASUS_ARRAY_T* items, Uint32 size) Array<PEGASUS_ARRAY_T>::Array(const PEGASUS_ARRAY_T* items, Uint32 size)
 { {
     _rep = Rep::create(size);      _rep = ArrayRep<PEGASUS_ARRAY_T>::alloc(size);
     CopyToRaw(_rep->data(), items, size);  
       if (!_rep)
       {
           throw NullPointer();
       }
   
       CopyToRaw(Array_data, items, size);
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 Array<PEGASUS_ARRAY_T>::~Array() Array<PEGASUS_ARRAY_T>::~Array()
 { {
     Rep::dec(_rep);      ArrayRep<PEGASUS_ARRAY_T>::unref(Array_rep);
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 Array<PEGASUS_ARRAY_T>& Array<PEGASUS_ARRAY_T>::operator=( Array<PEGASUS_ARRAY_T>& Array<PEGASUS_ARRAY_T>::operator=(
     const Array<PEGASUS_ARRAY_T>& x)     const Array<PEGASUS_ARRAY_T>& x)
 { {
     if (x._rep != _rep)      if (x._rep != Array_rep)
     {     {
         Rep::dec(_rep);          ArrayRep<PEGASUS_ARRAY_T>::unref(Array_rep);
         Rep::inc(_rep = x._rep);          _rep = x._rep;
           ArrayRep<PEGASUS_ARRAY_T>::ref(Array_rep);
     }     }
   
     return *this;     return *this;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::clear() void Array<PEGASUS_ARRAY_T>::clear()
 { {
     Rep::dec(_rep);      if (Array_size)
     _rep = Rep::getNullRep();      {
           if (Array_refs.get() == 1)
           {
               Destroy(Array_data, Array_size);
               Array_size = 0;
 } }
           else
 #ifndef PEGASUS_ARRAY_T  
 template<class PEGASUS_ARRAY_T>  
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif  
 void Array<PEGASUS_ARRAY_T>::_reserveAux(Uint32 capacity)  
 { {
     Uint32 size = this->size();              ArrayRep<PEGASUS_ARRAY_T>::unref(Array_rep);
     Rep* rep = Rep::create(capacity);              _rep = &ArrayRepBase::_empty_rep;
     rep->size = size;          }
     CopyToRaw(rep->data(), _rep->data(), size);      }
     Rep::dec(_rep);  
     _rep = rep;  
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::_copyOnWriteAux()  void Array<PEGASUS_ARRAY_T>::reserveCapacity(Uint32 capacity)
 { {
     if (_rep->ref != 1)      if (capacity > Array_capacity || Array_refs.get() != 1)
     {     {
         Rep* rep = _rep->clone();          ArrayRep<PEGASUS_ARRAY_T>* rep =
         Rep::dec(_rep);              ArrayRep<PEGASUS_ARRAY_T>::alloc(capacity);
   
           if (!rep)
               return;
   
           rep->size = Array_size;
   
   #if 0
           if (Array_refs.get() == 1)
           {
               memcpy(rep->data(), Array_data, Array_size*sizeof(PEGASUS_ARRAY_T));
               Array_size = 0;
           }
           else
   #endif
               CopyToRaw(rep->data(), Array_data, Array_size);
   
           ArrayRep<PEGASUS_ARRAY_T>::unref(Array_rep);
         _rep = rep;         _rep = rep;
     }     }
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::grow(Uint32 size, const PEGASUS_ARRAY_T& x) void Array<PEGASUS_ARRAY_T>::grow(Uint32 size, const PEGASUS_ARRAY_T& x)
 { {
     Uint32 oldSize = _rep->size;      reserveCapacity(Array_size + size);
     reserve(oldSize + size);      PEGASUS_ARRAY_T* p = Array_data + Array_size;
     _copyOnWrite();  
   
     PEGASUS_ARRAY_T* p = _rep->data() + oldSize;  
     Uint32 n = size;     Uint32 n = size;
  
     while (n--)     while (n--)
         new(p++) PEGASUS_ARRAY_T(x);         new(p++) PEGASUS_ARRAY_T(x);
  
     _rep->size += size;      Array_size += size;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::swap(Array<PEGASUS_ARRAY_T>& x) void Array<PEGASUS_ARRAY_T>::swap(Array<PEGASUS_ARRAY_T>& x)
 { {
     Rep* tmp = _rep;      ArrayRep<PEGASUS_ARRAY_T>* tmp = Array_rep;
     _rep = x._rep;     _rep = x._rep;
     x._rep = tmp;     x._rep = tmp;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::append(const PEGASUS_ARRAY_T& x) void Array<PEGASUS_ARRAY_T>::append(const PEGASUS_ARRAY_T& x)
 { {
     reserve(size() + 1);      Uint32 n = Array_size + 1;
     _copyOnWrite();  
     new (_data() + size()) PEGASUS_ARRAY_T(x);      if (n > Array_capacity || Array_refs.get() != 1)
     _rep->size++;          reserveCapacity(n);
   
       new (Array_data + Array_size) PEGASUS_ARRAY_T(x);
       Array_size++;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::append(const PEGASUS_ARRAY_T* x, Uint32 size) void Array<PEGASUS_ARRAY_T>::append(const PEGASUS_ARRAY_T* x, Uint32 size)
 { {
     reserve(this->size() + size);      Uint32 n = Array_size + size;
     _copyOnWrite();      reserveCapacity(n);
     CopyToRaw(_data() + this->size(), x, size);      CopyToRaw(Array_data + Array_size, x, size);
     _rep->size += size;      Array_size = n;
   }
   
   #ifndef PEGASUS_ARRAY_T
   template<class PEGASUS_ARRAY_T>
   #endif
   void Array<PEGASUS_ARRAY_T>::appendArray(const Array<PEGASUS_ARRAY_T>& x)
   {
       append(x.getData(), x.size());
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::prepend(const PEGASUS_ARRAY_T& x) void Array<PEGASUS_ARRAY_T>::prepend(const PEGASUS_ARRAY_T& x)
 { {
     reserve(size() + 1);      prepend(&x, 1);
     _copyOnWrite();  
     memmove(_data() + 1, _data(), sizeof(PEGASUS_ARRAY_T) * size());  
     new(_data()) PEGASUS_ARRAY_T(x);  
     _rep->size++;  
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::prepend(const PEGASUS_ARRAY_T* x, Uint32 size) void Array<PEGASUS_ARRAY_T>::prepend(const PEGASUS_ARRAY_T* x, Uint32 size)
 { {
     reserve(this->size() + size);      reserveCapacity(Array_size + size);
     _copyOnWrite();      memmove(
     memmove(_data() + size, _data(), sizeof(PEGASUS_ARRAY_T) * this->size());          Array_data + size,
     CopyToRaw(_data(), x, size);          Array_data,
     _rep->size += size;          sizeof(PEGASUS_ARRAY_T) * Array_size);
       CopyToRaw(Array_data, x, size);
       Array_size += size;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::insert(Uint32 pos, const PEGASUS_ARRAY_T& x)  void Array<PEGASUS_ARRAY_T>::insert(Uint32 index, const PEGASUS_ARRAY_T& x)
 { {
     if (pos > size())      insert(index, &x, 1);
         ThrowOutOfBounds();  
   
     reserve(size() + 1);  
     _copyOnWrite();  
   
     Uint32 n = size() - pos;  
   
     if (n)  
         memmove(_data() + pos + 1, _data() + pos, sizeof(PEGASUS_ARRAY_T) * n);  
   
     new(_data() + pos) PEGASUS_ARRAY_T(x);  
     _rep->size++;  
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::insert(Uint32 pos, const PEGASUS_ARRAY_T* x, Uint32 size)  void Array<PEGASUS_ARRAY_T>::insert(
       Uint32 index, const PEGASUS_ARRAY_T* x, Uint32 size)
 { {
     if (pos + size > this->size())      if (index > Array_size)
         ThrowOutOfBounds();      {
           throw IndexOutOfBoundsException();
       }
  
     reserve(this->size() + size);      reserveCapacity(Array_size + size);
     _copyOnWrite();  
  
     Uint32 n = this->size() - pos;      Uint32 n = Array_size - index;
  
     if (n)     if (n)
       {
         memmove(         memmove(
             _data() + pos + size, _data() + pos, sizeof(PEGASUS_ARRAY_T) * n);              Array_data + index + size,
               Array_data + index,
               sizeof(PEGASUS_ARRAY_T) * n);
       }
  
     CopyToRaw(_data() + pos, x, size);      CopyToRaw(Array_data + index, x, size);
     _rep->size += size;      Array_size += size;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::remove(Uint32 pos)  void Array<PEGASUS_ARRAY_T>::remove(Uint32 index)
   {
       remove(index, 1);
   }
   
   #ifndef PEGASUS_ARRAY_T
   template<class PEGASUS_ARRAY_T>
   #endif
   void Array<PEGASUS_ARRAY_T>::remove(Uint32 index, Uint32 size)
   {
       if (Array_refs.get() != 1)
           _rep = ArrayRep<PEGASUS_ARRAY_T>::copy_on_write(Array_rep);
   
       // Case 1: attempting to remove last element (this is an optimization
       // for when the array is used as a stack; see Stack class).
   
       if (index + 1 == Array_size)
 { {
     if (pos >= this->size())          Destroy(Array_data + index, 1);
         ThrowOutOfBounds();          Array_size--;
           return;
       }
  
     _copyOnWrite();      // Case 2: not attempting to remove last element:
  
     Destroy(_data() + pos);      if (index + size - 1 > Array_size)
       {
           throw IndexOutOfBoundsException();
       }
  
     Uint32 rem = this->size() - pos - 1;      Destroy(Array_data + index, size);
       Uint32 rem = Array_size - (index + size);
  
     if (rem)     if (rem)
         memmove(_data() + pos, _data() + pos + 1, sizeof(PEGASUS_ARRAY_T) * rem);      {
           memmove(
               Array_data + index,
               Array_data + index + size,
               sizeof(PEGASUS_ARRAY_T) * rem);
       }
  
     _rep->size--;      Array_size -= size;
 } }
  
 #ifndef PEGASUS_ARRAY_T #ifndef PEGASUS_ARRAY_T
 template<class PEGASUS_ARRAY_T> template<class PEGASUS_ARRAY_T>
 #else  
 PEGASUS_TEMPLATE_SPECIALIZATION  
 #endif #endif
 void Array<PEGASUS_ARRAY_T>::remove(Uint32 pos, Uint32 size)  Uint32 Array<PEGASUS_ARRAY_T>::size() const
 { {
     if (pos + size > this->size())      return Array_size;
         ThrowOutOfBounds();  }
  
     _copyOnWrite();  #ifndef PEGASUS_ARRAY_T
   template<class PEGASUS_ARRAY_T>
   #endif
   PEGASUS_ARRAY_T& Array<PEGASUS_ARRAY_T>::operator[](
       Uint32 index)
   {
   #ifndef PEGASUS_ARRAY_NO_THROW
       if (index >= Array_size)
           ArrayThrowIndexOutOfBoundsException();
   #endif
  
     Destroy(_data() + pos, size);      if (Array_refs.get() != 1)
           _rep = ArrayRep<PEGASUS_ARRAY_T>::copy_on_write(Array_rep);
  
     Uint32 rem = this->size() - (pos + size);      return Array_data[index];
   }
  
     if (rem)  #ifndef PEGASUS_ARRAY_T
         memmove(  template<class PEGASUS_ARRAY_T>
             _data() + pos, _data() + pos + size, sizeof(PEGASUS_ARRAY_T) * rem);  #endif
   const PEGASUS_ARRAY_T& Array<PEGASUS_ARRAY_T>::operator[](
       Uint32 index) const
   {
   #ifndef PEGASUS_ARRAY_NO_THROW
       if (index >= Array_size)
           ArrayThrowIndexOutOfBoundsException();
   #endif
  
     _rep->size -= size;      return Array_data[index];
   }
   
   #ifndef PEGASUS_ARRAY_T
   template<class PEGASUS_ARRAY_T>
   #endif
   Uint32 Array<PEGASUS_ARRAY_T>::getCapacity() const
   {
       return Array_capacity;
   }
   
   #ifndef PEGASUS_ARRAY_T
   template<class PEGASUS_ARRAY_T>
   #endif
   const PEGASUS_ARRAY_T* Array<PEGASUS_ARRAY_T>::getData() const
   {
       return Array_data;
   }
   
   #ifndef PEGASUS_ARRAY_T
   template<class PEGASUS_ARRAY_T>
   #endif
   PEGASUS_ARRAY_T* Array<PEGASUS_ARRAY_T>::_data() const
   {
       return Array_data;
 } }
  
 #endif /*defined(PEGASUS_EXPLICIT_INSTANTIATION) || !defined(PEGASUS_ARRAY_T)*/  #endif //!defined(Pegasus_ArrayImpl_h) || !defined(PEGASUS_ARRAY_T)

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