/usr/include/gdcm-2.0/gdcmFragment.h is in libgdcm2-dev 2.0.18-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | /*=========================================================================
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.
=========================================================================*/
#ifndef GDCMFRAGMENT_H
#define GDCMFRAGMENT_H
#include "gdcmDataElement.h"
#include "gdcmByteValue.h"
#include "gdcmSmartPointer.h"
#include "gdcmParseException.h"
namespace gdcm
{
// Implementation detail:
// I think Fragment should be a protected sublclass of DataElement:
// looking somewhat like this:
/*
class GDCM_EXPORT Fragment : protected DataElement
{
public:
using DataElement::GetTag;
using DataElement::GetVL;
using DataElement::SetByteValue;
using DataElement::GetByteValue;
using DataElement::GetValue;
*/
// Instead I am only hiding the SetTag member...
/**
* \brief Class to represent a Fragment
*/
class GDCM_EXPORT Fragment : public DataElement
{
//protected:
// void SetTag(const Tag &t);
public:
Fragment() : DataElement(Tag(0xfffe, 0xe000), 0) {}
friend std::ostream &operator<<(std::ostream &os, const Fragment &val);
VL GetLength() const {
assert( !ValueLengthField.IsUndefined() );
assert( !ValueField || ValueField->GetLength() == ValueLengthField );
return TagField.GetLength() + ValueLengthField.GetLength()
+ ValueLengthField;
}
template <typename TSwap>
std::istream &Read(std::istream &is)
{
TagField.Read<TSwap>(is);
return ReadValue<TSwap>(is);
}
template <typename TSwap>
std::istream &ReadValue(std::istream &is)
{
// Superclass
const Tag itemStart(0xfffe, 0xe000);
const Tag seqDelItem(0xfffe,0xe0dd);
if( !is )
{
// BogusItemStartItemEnd.dcm
throw Exception( "Problem" );
return is;
}
if( !ValueLengthField.Read<TSwap>(is) )
{
// GENESIS_SIGNA-JPEG-CorruptFrag.dcm
// JPEG fragment is declared to have 61902, but infact really is only 61901
// so we end up reading 0xddff,0x00e0, and VL = 0x0 (1 byte)
throw Exception( "Problem" );
return is;
}
#ifdef GDCM_SUPPORT_BROKEN_IMPLEMENTATION
if( TagField != itemStart && TagField != seqDelItem )
{
throw Exception( "Problem" );
}
#endif
// Self
SmartPointer<ByteValue> bv = new ByteValue;
bv->SetLength(ValueLengthField);
if( !bv->Read<TSwap>(is) )
{
// Fragment is incomplete, but is a itemStart, let's try to push it anyway...
gdcmWarningMacro( "Fragment could not be read" );
//bv->SetLength(is.gcount());
ValueField = bv;
ParseException pe;
pe.SetLastElement( *this );
throw pe;
return is;
}
ValueField = bv;
return is;
}
template <typename TSwap>
std::ostream &Write(std::ostream &os) const {
const Tag itemStart(0xfffe, 0xe000);
const Tag seqDelItem(0xfffe,0xe0dd);
if( !TagField.Write<TSwap>(os) )
{
assert(0 && "Should not happen");
return os;
}
assert( TagField == itemStart
|| TagField == seqDelItem );
const ByteValue *bv = GetByteValue();
// VL
// The following piece of code is hard to read in order to support such broken file as:
// CompressedLossy.dcm
if( IsEmpty() )
{
//assert( bv );
VL zero = 0;
if( !zero.Write<TSwap>(os) )
{
assert(0 && "Should not happen");
return os;
}
}
else
{
assert( ValueLengthField );
if( !ValueLengthField.Write<TSwap>(os) )
{
assert(0 && "Should not happen");
return os;
}
}
// Value
if( ValueLengthField && bv )
{
// Self
assert( bv );
assert( bv->GetLength() == ValueLengthField );
if( !bv->Write<TSwap>(os) )
{
assert(0 && "Should not happen");
return os;
}
}
return os;
}
};
//-----------------------------------------------------------------------------
inline std::ostream &operator<<(std::ostream &os, const Fragment &val)
{
os << "Tag: " << val.TagField;
os << "\tVL: " << val.ValueLengthField;
if( val.ValueField )
{
os << "\t" << *(val.ValueField);
}
return os;
}
} // end namespace gdcm
#endif //GDCMFRAGMENT_H
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