void ossimNitfFileHeaderV2_1::parseStream(std::istream& in)
{
clearFields();
// identification and origination group
in.read(theFileTypeVersion, 9);
theHeaderSize += 9;
in.read(theComplexityLevel, 2);
theHeaderSize += 2;
in.read(theSystemType, 4);
theHeaderSize += 4;
in.read(theOriginatingStationId, 10);
theHeaderSize += 10;
in.read(theDateTime, 14);
theHeaderSize += 14;
in.read(theFileTitle, 80);
theHeaderSize += 80;
// read security group
in.read(theSecurityClassification, 1);
theHeaderSize ++;
in.read(theSecurityClassificationSys, 2);
theHeaderSize += 2;
in.read(theCodewords, 11);
theHeaderSize += 11;
in.read(theControlAndHandling, 2);
theHeaderSize += 2;
in.read(theReleasingInstructions, 20);
theHeaderSize += 20;
in.read(theDeclassificationType, 2);
theHeaderSize += 2;
in.read(theDeclassificationDate, 8);
theHeaderSize += 8;
in.read(theDeclassificationExemption, 4);
theHeaderSize += 4;
in.read(theDowngrade, 1);
theHeaderSize ++;
in.read(theDowngradingDate, 8);
theHeaderSize += 8;
in.read(theClassificationText, 43);
theHeaderSize += 43;
in.read(theClassificationAuthorityType, 1);
theHeaderSize ++;
in.read(theClassificationAuthority, 40);
theHeaderSize += 40;
in.read(theClassificationReason, 1);
theHeaderSize ++;
in.read(theSecuritySourceDate, 8);
theHeaderSize += 8;
in.read(theSecurityControlNumber, 15);
theHeaderSize += 15;
in.read(theCopyNumber, 5);
theHeaderSize += 5;
in.read(theNumberOfCopies, 5);
theHeaderSize += 5;
in.read(theEncryption, 1);
theHeaderSize ++;
in.read((char*)theFileBackgroundColor, 3);
theHeaderSize += 3;
in.read(theOriginatorsName, 24);
theHeaderSize += 24;
in.read(theOriginatorsPhone, 18);
theHeaderSize += 18;
in.read(theFileLength, 12);
theHeaderSize += 12;
in.read(theHeaderLength, 6);
theHeaderSize += 6;
// image description group
in.read(theNumberOfImageInfoRecords, 3);
theHeaderSize += 3;
readImageInfoRecords(in);
// symbol description group
in.read(theNumberOfGraphicInfoRecords, 3);
theHeaderSize += 3;
readGraphicInfoRecords(in);
in.read(theReservedForFutureUse1, 3);
theHeaderSize += 3;
// text file information group
in.read(theNumberOfTextFileInfoRecords, 3);
theHeaderSize += 3;
readTextFileInfoRecords(in);
// Data extension group
in.read(theNumberOfDataExtSegInfoRecords, 3);
theHeaderSize += 3;
readDataExtSegInfoRecords(in);
// Reserve Extension Segment group
in.read(theNumberOfResExtSegInfoRecords, 3);
theHeaderSize += 3;
readResExtSegInfoRecords(in);
in.read(theUserDefinedHeaderDataLength, 5);
theHeaderSize += 5;
// only get the header overflow if there even exists
// user defined data.
std::streampos userDefinedHeaderLength = ossimString(theUserDefinedHeaderDataLength).toInt32();
ossimNitfTagInformation headerTag;
std::streampos start = in.tellg();
std::streampos current = in.tellg();
if(userDefinedHeaderLength > 0)
{
in.read(theUserDefinedHeaderOverflow, 3);
while((current - start) < userDefinedHeaderLength)
{
headerTag.parseStream(in);
theTagList.push_back(headerTag);
// in.ignore(headerTag.getTagLength());
// headerTag.clearFields();
current = in.tellg();
}
in.seekg(start + userDefinedHeaderLength);
theHeaderSize += (userDefinedHeaderLength);
}
in.read(theExtendedHeaderDataLength, 5);
theHeaderSize += 5;
std::streampos extendedHeaderDataLength = ossimString(theExtendedHeaderDataLength).toInt32();
start = in.tellg();
current = in.tellg();
// for now let's just ignore it
if(extendedHeaderDataLength > 0)
{
in.read(theExtendedHeaderDataOverflow, 3);
while((current - start) < extendedHeaderDataLength)
{
headerTag.parseStream(in);
theTagList.push_back(headerTag);
// in.ignore(headerTag.getTagLength());
// headerTag.clearFields();
current = in.tellg();
}
theHeaderSize += extendedHeaderDataLength;
in.seekg(start + extendedHeaderDataLength);
}
// this need to be re-thought
initializeAllOffsets();
}
void ossimNitfFileHeaderV2_0::parseStream(std::istream &in)
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "ossimNitfFileHeaderV2_0::parseStream: entered ......."
<< std::endl;
}
clearFields();
// identification and origination group
in.read(theFileTypeVersion, 9);
theHeaderSize+=9;
in.read(theComplexityLevel, 2);
theHeaderSize+=2;
in.read(theSystemType, 4);
theHeaderSize+=4;
in.read(theOriginatingStationId, 10);
theHeaderSize+=10;
in.read(theDateTime, 14);
theHeaderSize+=14;
in.read(theFileTitle, 80);
theHeaderSize+=80;
// read security group
in.read(theSecurityClassification, 1);
theHeaderSize++;
in.read(theCodewords, 40);
theHeaderSize+=40;
in.read(theControlAndHandling, 40);
theHeaderSize+=40;
in.read(theReleasingInstructions, 40);
theHeaderSize+=40;
in.read(theClassificationAuthority, 20);
theHeaderSize+=20;
in.read(theSecurityControlNumber, 20);
theHeaderSize+=20;
in.read(theSecurityDowngrade, 6);
theHeaderSize+=6;
if(ossimString(theSecurityDowngrade) == "999998")
{
in.read(theDowngradingEvent, 40);
theHeaderSize+=40;
}
in.read(theCopyNumber, 5);
theHeaderSize+=5;
in.read(theNumberOfCopies, 5);
theHeaderSize+=5;
in.read(theEncryption, 1);
theHeaderSize++;
in.read(theOriginatorsName, 27);
theHeaderSize+=27;
in.read(theOriginatorsPhone, 18);
theHeaderSize+=18;
in.read(theFileLength, 12);
theHeaderSize+=12;
in.read(theHeaderLength, 6);
theHeaderSize+=6;
// image description group
in.read(theNumberOfImageInfoRecords, 3);
theHeaderSize+=3;
readImageInfoRecords(in);
// symbol description group
in.read(theNumberOfSymbolInfoRecords, 3);
theHeaderSize+=3;
readSymbolInfoRecords(in);
// label description group
in.read(theNumberOfLabelInfoRecords, 3);
theHeaderSize+=3;
readLabelInfoRecords(in);
// text file information group
in.read(theNumberOfTextFileInfoRecords, 3);
theHeaderSize+=3;
readTextFileInfoRecords(in);
// Data extension group
in.read(theNumberOfDataExtSegInfoRecords, 3);
theHeaderSize+=3;
readDataExtSegInfoRecords(in);
// Reserve Extension Segment group
in.read(theNumberOfResExtSegInfoRecords, 3);
theHeaderSize+=3;
readResExtSegInfoRecords(in);
in.read(theUserDefinedHeaderDataLength, 5);
theHeaderSize+=5;
theTagList.clear();
// only get the header overflow if there even exists
// user defined data.
ossim_int32 userDefinedHeaderLength = ossimString(theUserDefinedHeaderDataLength).toInt32();
ossimNitfTagInformation headerTag;
std::streampos start = in.tellg();
std::streampos current = in.tellg();
theHeaderSize+=userDefinedHeaderLength;
if(userDefinedHeaderLength > 0)
{
in.read(theUserDefinedHeaderOverflow, 3);
while((current - start) < userDefinedHeaderLength)
{
headerTag.parseStream(in);
theTagList.push_back(headerTag);
// in.ignore(headerTag.getTagLength());
// headerTag.clearFields();
//---
// We will check the stream here as there have been instances of
// rpf's with bad stream offsets.
//---
if (!in)
{
std::string e =
"ossimNitfFileHeaderV2_0::parseStream stream error!";
throw ossimException(e);
}
current = in.tellg();
}
}
in.read(theExtendedHeaderDataLength, 5);
theHeaderSize+=5;
ossim_int32 extendedHeaderDataLength = ossimString(theExtendedHeaderDataLength).toInt32();
theHeaderSize+=extendedHeaderDataLength;
start = in.tellg();
current = in.tellg();
// for now let's just ignore it
if(extendedHeaderDataLength > 0)
{
in.read(theExtendedHeaderOverflow, 3);
while((current - start) < extendedHeaderDataLength)
{
headerTag.parseStream(in);
theTagList.push_back(headerTag);
in.ignore(headerTag.getTagLength());
headerTag.clearFields();
current = in.tellg();
}
}
// this need to be re-thought
initializeAllOffsets();
if(traceDebug())
{
ossimNitfFileHeader::print( ossimNotify(ossimNotifyLevel_DEBUG) );
}
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "ossimNitfFileHeaderV2_0::parseStream: Leaving......."
<< std::endl;
}
// initializeDisplayLevels(in);
}