DGtal::LabelledMap< TData, L, TWord, N, M >::__FirstBlock Struct Reference

#include <DGtal/base/LabelledMap.h>

Public Member Functions
	__FirstBlock ()
Data &	insert (size_t idx, size_t size, const Data &v)
void	erase (size_t idx, size_t size)

Data Fields
Data	datas [N]
DataOrBlockPointer	data

Detailed Description

template<typename TData, unsigned int L, typename TWord, unsigned int N, unsigned int M>
struct DGtal::LabelledMap< TData, L, TWord, N, M >::__FirstBlock

Represents the first block in the container. Internal structure.

Definition at line 179 of file LabelledMap.h.

Constructor & Destructor Documentation

__FirstBlock()

template<typename TData, unsigned int L, typename TWord, unsigned int N, unsigned int M>

DGtal::LabelledMap< TData, L, TWord, N, M >::__FirstBlock::__FirstBlock ( )

inline

Definition at line 181 of file LabelledMap.h.

      { data.nextBlock = 0; }

References data.

Member Function Documentation

erase()

template<typename TData, unsigned int L, typename TWord, unsigned int N, unsigned int M>

void DGtal::LabelledMap< TData, L, TWord, N, M >::__FirstBlock::erase ( size_t idx, size_t size )

inline

Definition at line 247 of file LabelledMap.h.

      {
        // std::cerr << "__FirstBlock::erase(" << idx << ")"
        //        << " this=" << this
        //        << " next=" << data.nextBlock
        //        << std::endl;
        ASSERT( idx < size );
        if ( size <= ( N + 1 ) )
          {
            // works also in the case we use 'data' to store a N+1-th data.
            std::copy( datas + idx + 1, datas + size, datas + idx );
            data.nextBlock = 0;
          }
        else if ( size == N + 2 )
          { 
            if ( idx < N )
              {
                std::copy( datas + idx + 1, datas + N, datas + idx );
                datas[ N - 1 ] = data.nextBlock->datas[ 0 ];
                Data tmp = data.nextBlock->datas[ 1 ];
                delete data.nextBlock;
                data.lastData = tmp;
              }
            else if ( idx == N )
              {
                Data tmp = data.nextBlock->datas[ 1 ];
                delete data.nextBlock;
                data.lastData = tmp;
              }
            else // idx == N + 1
              {
                Data tmp = data.nextBlock->datas[ 0 ];
                delete data.nextBlock;
                data.lastData = tmp;
              }
          }
        else // size > N + 2
          {
            if ( idx < N )
              {
                std::copy( datas + idx + 1, datas + N, datas + idx );
                datas[ N - 1 ] = data.nextBlock->datas[ 0 ];
                data.nextBlock = data.nextBlock->erase( 0, size - N );
              }
            else
              data.nextBlock = data.nextBlock->erase( idx - N, size - N );
          }
      }

References data, datas, and DGtal::LabelledMap< TData, L, TWord, N, M >::size().

insert()

template<typename TData, unsigned int L, typename TWord, unsigned int N, unsigned int M>

Data & DGtal::LabelledMap< TData, L, TWord, N, M >::__FirstBlock::insert ( size_t idx, size_t size, const Data & v )

inline

Definition at line 185 of file LabelledMap.h.

      {
        ASSERT( idx <= size );
        if ( size < N )
          {
            std::copy_backward( datas + idx, datas + size, datas + size + 1 );
            return ( datas[ idx ] = v );
          }
        else if ( size == N )
          {
            if ( idx < N )
              {
                data.lastData = datas[ N - 1 ];
                std::copy_backward( datas + idx, datas + N - 1, datas + N );
                return ( datas[ idx ] = v );
              }
            else // idx == N
              {
                return ( data.lastData = v );
              }
          }
        else if ( size == (N+1) )
          {
            // This cannot be tested.
            // ASSERT( data.nextBlock == 0 );
            __AnyBlock* next = new __AnyBlock;
            if ( idx < N )
              {
                next->datas[ 0 ] = datas[ N - 1 ];
                next->datas[ 1 ] = data.lastData;
                std::copy_backward( datas + idx, datas + N - 1, datas + N );
                data.nextBlock = next;
                return ( datas[ idx ] = v );
              }
            else if ( idx == N )
              {
                next->datas[ 1 ] = data.lastData;
                data.nextBlock = next;
                return ( next->datas[ 0 ] = v );
              }
            else //if ( idx > N )
              {
                next->datas[ 0 ] = data.lastData;
                data.nextBlock = next;
                return ( next->datas[ 1 ] = v );
              }
          }
        else // size > N + 1
          {
            if ( idx < N )
              {
                Data v1 = datas[ N - 1 ];
                std::copy_backward( datas + idx, datas + N - 1, datas + N );
                data.nextBlock->insert( 0, size - N, v1 );
                return ( datas[ idx ] = v );
              }
            else
              return data.nextBlock->insert( idx - N, size - N, v );
          }
      }

References data, DGtal::LabelledMap< TData, L, TWord, N, M >::__AnyBlock::datas, datas, and DGtal::LabelledMap< TData, L, TWord, N, M >::size().

Field Documentation

data

template<typename TData, unsigned int L, typename TWord, unsigned int N, unsigned int M>

DataOrBlockPointer DGtal::LabelledMap< TData, L, TWord, N, M >::__FirstBlock::data

Definition at line 297 of file LabelledMap.h.

Referenced by __FirstBlock(), erase(), and insert().

datas

template<typename TData, unsigned int L, typename TWord, unsigned int N, unsigned int M>

Data DGtal::LabelledMap< TData, L, TWord, N, M >::__FirstBlock::datas[N]

Definition at line 296 of file LabelledMap.h.

Referenced by erase(), and insert().

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The documentation for this struct was generated from the following file:

• LabelledMap.h