fbarray.h

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#ifndef __FBARRAY_H__
#define __FBARRAY_H__
/**************************************************************************
 Copyright (c) 1994 - 2009 Autodesk, Inc. and/or its licensors.
 All Rights Reserved.
 
 The coded instructions, statements, computer programs, and/or related 
 material (collectively the "Data") in these files contain unpublished 
 information proprietary to Autodesk, Inc. and/or its licensors, which is 
 protected by Canada and United States of America federal copyright law 
 and by international treaties.
 
 The Data may not be disclosed or distributed to third parties, in whole 
 or in part, without the prior written consent of Autodesk, Inc. 
 ("Autodesk").
 
 THE DATA IS PROVIDED "AS IS" AND WITHOUT WARRANTY.
 ALL WARRANTIES ARE EXPRESSLY EXCLUDED AND DISCLAIMED. AUTODESK MAKES NO 
 WARRANTY OF ANY KIND WITH RESPECT TO THE DATA, EXPRESS, IMPLIED OR 
 ARISING BY CUSTOM OR TRADE USAGE, AND DISCLAIMS ANY IMPLIED WARRANTIES 
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 FREE.
 
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**************************************************************************/
 
#include <kaydaradef.h>
#ifndef FBSDK_DLL 
    #define FBSDK_DLL K_DLLIMPORT
#endif
 
#include <fbsdk/fbversion.h>
 
#include <assert.h>
#include <string.h>
 
#ifdef FBSDKUseNamespace
    namespace FBSDKNamespace {
#endif
 
FBSDK_DLL void* FBRealloc(void* memblock, size_t size);
 
FBSDK_DLL void FBFree(void* memblock);
 
// FBArrayTemplate
 
template <class Type> class FBArrayTemplate 
{
  public:
    inline FBArrayTemplate(int pItemPerBlock=10) 
    {
        mArray          = NULL;
        mArrayCount     = 0;
        mBlockCount     = 0;
        mItemPerBlock   = pItemPerBlock;    
    }
 
    inline FBArrayTemplate(const FBArrayTemplate<Type>& pArrayTemplate)
    { 
        mArray          = NULL;
        mArrayCount     = 0;
        mBlockCount     = 0;
        mItemPerBlock   = 10;    
 
        *this = pArrayTemplate; 
    }
 
    inline ~FBArrayTemplate()
    {
        Clear();
    }
 
    inline int InsertAt ( int pIndex, Type pItem)
    {
        if (pIndex>mArrayCount) 
        {
            pIndex = mArrayCount;
        }
 
        if (mArrayCount>= mBlockCount*mItemPerBlock) 
        {
             // must allocate or reallocate block of items
              mBlockCount++;
              mArray = (Type *)FBRealloc( mArray,(size_t)(mBlockCount*mItemPerBlock*sizeof(Type)));
        }
 
        if (pIndex<mArrayCount) 
        {
            // This is an insert
            memmove (&(mArray[pIndex+1]),&(mArray[pIndex]),sizeof(Type)*(mArrayCount-pIndex));
        }
 
        mArray[pIndex] = pItem;
        mArrayCount++;
 
        return pIndex;
    }
 
    inline void RemoveAt ( int pIndex )
    {
        assert( pIndex<mArrayCount );
        if (pIndex+1<mArrayCount) {
            memmove (&(mArray[pIndex]),&(mArray[pIndex+1]),sizeof(Type)*(mArrayCount-pIndex-1));
        }
        mArrayCount --;
        memset (&(mArray[mArrayCount]),0,sizeof(Type)); // Cleanup last element to make sure we don't access it later
    }
    
    
    inline void RemoveLast() { RemoveAt( mArrayCount-1 ); } 
 
    inline bool Remove ( Type &pItem )
    {
      int Index = Find( pItem );
        if (Index>=0) {
            RemoveAt( Index );
            return true;
        }
        return false;
    }
 
    inline bool RemoveIt ( Type pItem )
    {
      int Index = Find( pItem );
        if (Index>=0) {
            RemoveAt( Index );
            return true;
        }
        return false;
    }
 
    inline void Clear()
    {
        if (mArray!=NULL) {
            FBFree(mArray);
            mArray = NULL;
        }
        mArrayCount  = 0L;
        mBlockCount  = 0L;
    }
 
    inline Type &operator[](int pIndex) const
    {
        assert( pIndex<mArrayCount );
        return mArray[pIndex];
    }
 
    inline void SetAt(int pIndex,Type pItem)
    {
        assert( pIndex<mArrayCount );
        mArray[pIndex] = pItem;
    }
 
    inline void SetLast(Type pItem) 
    { 
        SetAt(mArrayCount-1,pItem ); 
    }
 
    inline int GetCount () const
    { 
        return mArrayCount; 
    }
 
    inline void SetCount(int pCount)
    {
        if (pCount > mArrayCount)
        {
            if( pCount )
            {
                const int lTempNewBlockCount = ( (int) (mArrayCount+pCount + mItemPerBlock - 1 ) / mItemPerBlock );
                const int lNewBlockCount = (lTempNewBlockCount > 1 ? lTempNewBlockCount : 1);
 
                const int lOldArraySize = mArrayCount*sizeof(Type);
                const int lNewArraySize = lNewBlockCount*mItemPerBlock*sizeof(Type);
 
                if( lNewBlockCount > (int) mBlockCount )
                {           
                    mArray = (Type *)FBRealloc( mArray, (size_t) lNewArraySize );
                    mBlockCount = lNewBlockCount;
                }
                
                memset( ((char *)mArray) + lOldArraySize, 0, (size_t) (lNewArraySize-lOldArraySize) );
                mArrayCount += pCount;
            }
        } else 
        {
            mArrayCount = pCount;
        }
    }
 
    inline Type GetAt(int pIndex) 
    {       
        assert( pIndex<mArrayCount );
        return mArray[pIndex]; 
    }
 
    inline Type GetLast()           
    { 
        return mArray[mArrayCount-1]; 
    }
 
    inline int Find( Type pItem )
    {
      int Count;
        for (Count=0; Count<mArrayCount; Count++) {
            if (mArray[Count]==pItem) {
                return Count;
            }
        }
        return -1;
    }
 
    inline int Add( Type pItem ) 
    { 
        return InsertAt( mArrayCount,pItem ); 
    }
 
    inline Type *GetArray() 
    { 
        return mArray; 
    }
 
    inline FBArrayTemplate<Type>& operator=(const FBArrayTemplate<Type>& pArrayTemplate)
    {
        if (this != &pArrayTemplate)
        {
            Clear();
 
            mItemPerBlock = pArrayTemplate.mItemPerBlock;
 
            SetCount(pArrayTemplate.GetCount());
            memcpy(mArray, pArrayTemplate.mArray, sizeof(Type) * pArrayTemplate.GetCount());
        }
 
        return (*this);
    }
 
  private:
    Type      *mArray;          
    int       mArrayCount;      
    int       mBlockCount;      
    int       mItemPerBlock;
};
 
typedef class FBSDK_DLL FBArrayTemplate<bool *>         FBArrayHBool;
typedef class FBSDK_DLL FBArrayTemplate<char *>         FBArrayHChar;
typedef class FBSDK_DLL FBArrayTemplate<int *>          FBArrayHkInt;
typedef class FBSDK_DLL FBArrayTemplate<unsigned int *> FBArrayHkUInt;
typedef class FBSDK_DLL FBArrayTemplate<float *>        FBArrayHkFloat;
typedef class FBSDK_DLL FBArrayTemplate<double *>       FBArrayHkDouble;
typedef class FBSDK_DLL FBArrayTemplate<void *>         FBArrayHVoid;
 
typedef class FBSDK_DLL FBArrayTemplate<bool>           FBArrayBool;
typedef class FBSDK_DLL FBArrayTemplate<char>           FBArrayChar;
typedef class FBSDK_DLL FBArrayTemplate<int>            FBArrayInt;
typedef class FBSDK_DLL FBArrayTemplate<unsigned int>   FBArrayUInt;
typedef class FBSDK_DLL FBArrayTemplate<float>          FBArrayFloat;
typedef class FBSDK_DLL FBArrayTemplate<double>         FBArrayDouble;
 
#define FB_DEFINE_ARRAY( DllTag, Type ) \
    typedef class DllTag FBArrayTemplate< FB##Type* > FBArray##Type;
 
#define FBImplementArray( DllTag, Type ) \
    template class DllTag FBSDKNamespaceFunc( FBArrayTemplate ) < FB##Type* >;
 
#ifdef FBSDKUseNamespace
    }
#endif
#endif // __FBARRAY_H