moab::VarLenTag Class Reference

Class for storing variable-length tag data. More...

#include <VarLenTag.hpp>

List of all members.

Public Member Functions
	VarLenTag ()
	VarLenTag (unsigned size)
	~VarLenTag ()
	VarLenTag (const VarLenTag &copy)
	VarLenTag (unsigned size, const void *data)
unsigned	size () const
unsigned char *	data ()
unsigned long	mem () const
const unsigned char *	data () const
unsigned char *	resize (unsigned size)
void	clear ()
void	set (const void *dat, unsigned sz)
VarLenTag &	operator= (const VarLenTag &other)
Protected Attributes
VarLenTagData	mData

---

Detailed Description

Class for storing variable-length tag data.

Class for managing variable-length tag data. This class must behave as if it were initialized to empty if it is memset to zero w/out invoking any constructor.

Definition at line 129 of file VarLenTag.hpp.

---

Constructor & Destructor Documentation

moab::VarLenTag::VarLenTag

(

)

[inline]

Definition at line 133 of file VarLenTag.hpp.

{ mData.mData.mPointer.size = 0; }

moab::VarLenTag::VarLenTag

(

unsigned

size

)

[inline]

Definition at line 199 of file VarLenTag.hpp.

{
#ifdef VAR_LEN_TAG_ELIDE_DATA
  if (sz > VarLenTagData::INLINE_COUNT) 
#endif
    mData.mData.mPointer.array = reinterpret_cast<unsigned char*>(malloc(sz));
  mData.mData.mPointer.size = sz;
}

moab::VarLenTag::~VarLenTag

(

)

[inline]

Definition at line 135 of file VarLenTag.hpp.

{ clear(); }

moab::VarLenTag::VarLenTag

(

const VarLenTag &

copy

)

[inline]

Definition at line 219 of file VarLenTag.hpp.

  : mData( copy.mData )
{
#ifdef VAR_LEN_TAG_ELIDE_DATA
  if (size() > VarLenTagData::INLINE_COUNT)
#endif
  {
    mData.mData.mPointer.array = reinterpret_cast<unsigned char*>(malloc(size()));
    memcpy( mData.mData.mPointer.array, copy.mData.mData.mPointer.array, size() );
  }
}

moab::VarLenTag::VarLenTag	(	unsigned	size,
		const void *	data
	)		[inline]

Definition at line 231 of file VarLenTag.hpp.

{
  mData.mData.mPointer.size = 0;
  if (sz) 
    memcpy( resize(sz), dat, sz );
}

---

Member Function Documentation

void moab::VarLenTag::clear

(

)

[inline]

Definition at line 208 of file VarLenTag.hpp.

{
#ifdef VAR_LEN_TAG_ELIDE_DATA
  if (size() > VarLenTagData::INLINE_COUNT)
#else
  if (size())
#endif
    free( mData.mData.mPointer.array );
  mData.mData.mPointer.size = 0;
}

unsigned char* moab::VarLenTag::data

(

)

[inline]

Definition at line 141 of file VarLenTag.hpp.

    { return size() <= VarLenTagData::INLINE_COUNT ? 
                        mData.mData.mInline.array : 
                        mData.mData.mPointer.array; }

const unsigned char* moab::VarLenTag::data

(

)

const [inline]

Definition at line 157 of file VarLenTag.hpp.

    { return const_cast<VarLenTag*>(this)->data(); }

unsigned long moab::VarLenTag::mem

(

)

const [inline]

Definition at line 150 of file VarLenTag.hpp.

    { return size() <= VarLenTagData::INLINE_COUNT ? 0 : size(); }

VarLenTag& moab::VarLenTag::operator=

(

const VarLenTag &

other

)

[inline]

Definition at line 167 of file VarLenTag.hpp.

    { set( other.data(), other.size() ); return *this; }

unsigned char * moab::VarLenTag::resize

(

unsigned

size

)

[inline]

Definition at line 172 of file VarLenTag.hpp.

{
#ifdef VAR_LEN_TAG_ELIDE_DATA
  if (s <= VarLenTagData::INLINE_COUNT) {
    if (size() > VarLenTagData::INLINE_COUNT) {
      unsigned char* tmp_ptr = mData.mData.mPointer.array;
      memcpy( mData.mData.mInline.array, tmp_ptr, s );
      free( tmp_ptr );
    }
    mData.mData.mInline.size = s;
    return mData.mData.mInline.array;
  }
  else if (size() <= VarLenTagData::INLINE_COUNT) {
    void* tmp_ptr = malloc(s);
    memcpy( tmp_ptr, mData.mData.mInline.array, size() );
    mData.mData.mPointer.array = reinterpret_cast<unsigned char*>(tmp_ptr);
  }
  else 
#endif
  if (size() < s) {
    void* tmp_ptr = size() ? realloc( mData.mData.mPointer.array, s ) : malloc( s );
    mData.mData.mPointer.array = reinterpret_cast<unsigned char*>(tmp_ptr);
  }
  mData.mData.mPointer.size = s;
  return mData.mData.mPointer.array;
}

void moab::VarLenTag::set	(	const void *	dat,
		unsigned	sz
	)		[inline]

Definition at line 164 of file VarLenTag.hpp.

    { memcpy( resize(sz), dat, sz ); }

unsigned moab::VarLenTag::size

(

)

const [inline]

Definition at line 139 of file VarLenTag.hpp.

{ return mData.mData.mPointer.size; }

---

Member Data Documentation

VarLenTagData moab::VarLenTag::mData [protected]

Definition at line 131 of file VarLenTag.hpp.

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

• VarLenTag.hpp