LibXR::DatabaseRaw< MinWriteSize >::BlockBoolUtil< BlockSize > Class Template Reference

Static Public Member Functions
static void	SetFlag (BlockBoolData< BlockSize > &obj, bool value)
static bool	ReadFlag (const BlockBoolData< BlockSize > &obj)
static bool	Valid (const BlockBoolData< BlockSize > &obj)

Detailed Description

template<size_t MinWriteSize>
template<size_t BlockSize>
class LibXR::DatabaseRaw< MinWriteSize >::BlockBoolUtil< BlockSize >

Definition at line 364 of file database.hpp.

Member Function Documentation

ReadFlag()

template<size_t MinWriteSize>

template<size_t BlockSize>

static bool LibXR::DatabaseRaw< MinWriteSize >::BlockBoolUtil< BlockSize >::ReadFlag ( const BlockBoolData< BlockSize > & obj )

inlinestatic

Definition at line 376 of file database.hpp.

    {
      uint8_t last_4bits = obj.data[BlockSize - 1] & 0x0F;
      return last_4bits == 0x0F;
    }

SetFlag()

template<size_t MinWriteSize>

template<size_t BlockSize>

static void LibXR::DatabaseRaw< MinWriteSize >::BlockBoolUtil< BlockSize >::SetFlag ( BlockBoolData< BlockSize > & obj, bool value )

inlinestatic

Definition at line 367 of file database.hpp.

    {
      memset(obj.data, 0xFF, BlockSize);
      if (!value)
      {
        obj.data[BlockSize - 1] &= 0xF0;
      }
    }

Valid()

template<size_t MinWriteSize>

template<size_t BlockSize>

static bool LibXR::DatabaseRaw< MinWriteSize >::BlockBoolUtil< BlockSize >::Valid ( const BlockBoolData< BlockSize > & obj )

inlinestatic

Definition at line 382 of file database.hpp.

    {
      if (BlockSize == 0)
      {
        return false;
      }
 
      for (size_t i = 0; i < BlockSize - 1; ++i)
      {
        if (obj.data[i] != 0xFF)
        {
          return false;
        }
      }
 
      uint8_t last_byte = obj.data[BlockSize - 1];
      if ((last_byte & 0xF0) != 0xF0)
      {
        return false;
      }
 
      uint8_t last_4bits = last_byte & 0x0F;
      if (!(last_4bits == 0x0F || last_4bits == 0x00))
      {
        return false;
      }
 
      return true;
    }

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

• src/middleware/database.hpp