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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "gdcmAbstractSyntax.h"
#include "gdcmSwapper.h"
#include <limits>
namespace gdcm
{
namespace network
{
const uint8_t AbstractSyntax::ItemType = 0x30;
const uint8_t AbstractSyntax::Reserved2 = 0x00;
AbstractSyntax::AbstractSyntax()
{
//UpdateName ( "1.2.840.10008.1.1" ); // Verification SOP Class
ItemLength = 0;
}
std::istream &AbstractSyntax::Read(std::istream &is)
{
uint8_t itemtype = 0x0;
is.read( (char*)&itemtype, sizeof(ItemType) );
assert( itemtype == ItemType );
uint8_t reserved2;
is.read( (char*)&reserved2, sizeof(Reserved2) );
uint16_t itemlength;
is.read( (char*)&itemlength, sizeof(ItemLength) );
SwapperDoOp::SwapArray(&itemlength,1);
ItemLength = itemlength;
char name[256];
assert( itemlength < 256 );
is.read( name, itemlength );
Name = std::string(name,itemlength);
return is;
}
const std::ostream &AbstractSyntax::Write(std::ostream &os) const
{
os.write( (char*)&ItemType, sizeof(ItemType) );
os.write( (char*)&Reserved2, sizeof(Reserved2) );
//os.write( (char*)&ItemLength, sizeof(ItemLength) );
uint16_t copy = ItemLength;
SwapperDoOp::SwapArray(©,1);
os.write( (char*)©, sizeof(ItemLength) );
os.write( Name.c_str(), Name.size() );
return os;
}
size_t AbstractSyntax::Size() const
{
size_t ret = 0;
assert( Name.size() == ItemLength );
ret += sizeof(ItemType);
ret += sizeof(Reserved2);
ret += sizeof(ItemLength);
ret += ItemLength;
assert(ret <= (size_t)std::numeric_limits<uint16_t>::max);
assert(ret >= 4);
return ret;
}
void AbstractSyntax::UpdateName( const char *name )
{
if( name )
{
UIDs uids;
bool b = uids.SetFromUID( name );
if( b )
{
Name = name;
size_t lenTemp = Name.size();
assert(lenTemp < (size_t)std::numeric_limits<uint16_t>::max);
ItemLength = (uint16_t)lenTemp;
assert( (size_t)ItemLength + 4 == Size() );
return;
}
}
gdcmErrorMacro( "Invalid Name: " << name );
throw "Invalid Name";
}
void AbstractSyntax::SetNameFromUID( UIDs::TSName tsname )
{
const char *name = UIDs::GetUIDString( tsname );
UpdateName( name );
}
//void AbstractSyntax::SetNameFromUIDString( const std::string& inUIDName )
//{
// const char *name = inUIDName.c_str();
// UpdateName( name );
//}
void AbstractSyntax::Print(std::ostream &os) const
{
os << Name << std::endl;
}
DataElement AbstractSyntax::GetAsDataElement() const
{
DataElement de( Tag(0x0,0x2) );
de.SetVR( VR::UI );
std::string suid;
suid = Name;
if( suid.size() % 2 )
suid.push_back( 0 );
de.SetByteValue( suid.c_str(), (uint32_t)suid.size() );
return de;
}
} // end namespace network
} // end namespace gdcm
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