#include <avifile/mischdr.hpp>

AVIMiscHeader::AVIMiscHeader(void)
{
	mMiscHeaders.insert(&String("ISFT"));
	mMiscHeaders.insert(&String("strn"));
}

AVIMiscHeader::~AVIMiscHeader()
{
}

bool AVIMiscHeader::read(File &inFile)
{
	String miscLiteral("xxxx");
	String miscHeader;
	DWORD miscCount;
	WORD returnCode;
	MiscType miscType;

  returnCode=FALSE;
	miscHeader.reserve(miscLiteral.length()+1);
	inFile.read(miscHeader,miscLiteral.length());
	miscType=miscEvaluate(miscHeader);
	switch(miscType)
	{
		case MiscSTRN :
	  case MiscISFT :
		  inFile.read(miscCount);
		  inFile+=miscCount;
		  inFile.read(miscHeader,5);
		  inFile.read(miscCount);
		  inFile+=miscCount;
			returnCode=TRUE;
		  break;
		case MiscUnknown :  // another level will handle this, just put the string back into the read buffer
//		  ::OutputDebugString(String("[AVIMiscHeader::operator<<] Don't know how to handle header '")+miscHeader+String("'\n"));
			inFile-=miscLiteral.length();
			break;
	}
	return returnCode;
}

AVIMiscHeader::MiscType AVIMiscHeader::miscEvaluate(const String &headerLiteral)
{
	for(int headerIndex=0;headerIndex<mMiscHeaders.size();headerIndex++)
		if(headerLiteral==mMiscHeaders[headerIndex])return MiscType(headerIndex);
	return MiscUnknown;
}