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/*
*
* Copyright (C) 1994-2024, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmdata
*
* Author: Gerd Ehlers, Andreas Barth
*
* Purpose: Implementation of class DcmLongText
*
*/
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/dcmdata/dcvrlt.h"
// ********************************
DcmLongText::DcmLongText(const DcmTag &tag,
const Uint32 len)
: DcmCharString(tag, len)
{
setMaxLength(10240);
}
DcmLongText::DcmLongText(const DcmLongText& old)
: DcmCharString(old)
{
}
DcmLongText::~DcmLongText()
{
}
DcmLongText &DcmLongText::operator=(const DcmLongText &obj)
{
DcmCharString::operator=(obj);
return *this;
}
OFCondition DcmLongText::copyFrom(const DcmObject& rhs)
{
if (this != &rhs)
{
if (rhs.ident() != ident()) return EC_IllegalCall;
*this = OFstatic_cast(const DcmLongText &, rhs);
}
return EC_Normal;
}
int DcmLongText::compare(const DcmElement& rhs) const
{
int result = DcmElement::compare(rhs);
if (result != 0)
{
return result;
}
/* cast away constness (dcmdata is not const correct...) */
DcmLongText* myThis = NULL;
DcmLongText* myRhs = NULL;
myThis = OFconst_cast(DcmLongText*, this);
myRhs = OFstatic_cast(DcmLongText*, OFconst_cast(DcmElement*, &rhs));
/* compare length */
unsigned long thisLength = myThis->getLength();
unsigned long rhsLength = myRhs->getLength();
if (thisLength < rhsLength)
{
return -1;
}
else if (thisLength > rhsLength)
{
return 1;
}
/* check whether values are equal */
OFString thisValue, rhsValue;
myThis->getOFStringArray(thisValue);
myRhs->getOFStringArray(rhsValue);
return thisValue.compare(rhsValue);
}
// ********************************
DcmEVR DcmLongText::ident() const
{
return EVR_LT;
}
OFCondition DcmLongText::checkValue(const OFString & /*vm*/,
const OFBool /*oldFormat*/)
{
OFString strVal;
/* get "raw value" without any modifications (if possible) */
OFCondition l_error = getStringValue(strVal);
if (l_error.good())
{
OFString charset;
/* try to determine the value of the SpecificCharacterSet element */
if (getSpecificCharacterSet(charset) == EC_CorruptedData)
charset = "UNKNOWN";
l_error = DcmLongText::checkStringValue(strVal, charset);
}
return l_error;
}
unsigned long DcmLongText::getVM()
{
/* value multiplicity is 1 for non-empty string, 0 otherwise */
return (getRealLength() > 0) ? 1 : 0;
}
// ********************************
OFCondition DcmLongText::getOFString(OFString &stringVal,
const unsigned long /*pos*/,
OFBool normalize)
{
/* treat backslash as a normal character */
return getOFStringArray(stringVal, normalize);
}
OFCondition DcmLongText::getOFStringArray(OFString &stringVal,
OFBool normalize)
{
/* get string value without handling the "\" as a delimiter */
OFCondition l_error = getStringValue(stringVal);
if (l_error.good() && normalize)
normalizeString(stringVal, !MULTIPART, !DELETE_LEADING, DELETE_TRAILING);
return l_error;
}
// ********************************
OFCondition DcmLongText::checkStringValue(const OFString &value,
const OFString &charset)
{
return DcmByteString::checkStringValue(value, "" /* vm */, "lt", 14, 0 /* maxLen: no check */, charset);
}
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