OXYGENHUB
◆ main openmsx / src / cassette / CassetteImage.cc
1.5 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#include "CassetteImage.hh"
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#include "FileOperations.hh"
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#include "Filename.hh"
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#include <cassert>
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namespace openmsx {
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std::string CassetteImage::getFirstFileTypeAsString() const
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{
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	using enum FileType;
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	if (firstFileType == ASCII) {
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		return "ASCII";
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	} else if (firstFileType == BINARY) {
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		return "binary";
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	} else if (firstFileType == BASIC) {
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		return "BASIC";
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	} else {
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		return "unknown";
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	}
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}
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void CassetteImage::setFirstFileType(FileType type, const Filename& fileName)
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{
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	using enum FileType;
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	if (type == UNKNOWN) {
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		// see if there is a hint in the filename
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		const auto& file = fileName.getResolved();
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		auto fileStem = FileOperations::stem(file);
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		auto containsInstructionAndCAS = [&](std::string_view instruction) {
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			auto pos = fileStem.find(instruction);
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			if (pos == std::string_view::npos) return false;
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			return fileStem.find("CAS", pos + instruction.size()) != std::string_view::npos;
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		};
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		if (containsInstructionAndCAS("BLOAD")) {
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			firstFileType = BINARY;
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		} else if (fileStem.contains("CLOAD")) {
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			// note: probably better to first check on CLOAD and then on RUN. Some filenames
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			// contain hints like CLOAD + RUN.
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			firstFileType = BASIC;
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		} else if (containsInstructionAndCAS("RUN")) {
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			firstFileType = ASCII;
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		}
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	} else {
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		firstFileType = type;
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	}
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}
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void CassetteImage::setSha1Sum(const Sha1Sum& sha1sum_)
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{
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	assert(sha1sum.empty());
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	sha1sum = sha1sum_;
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}
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const Sha1Sum& CassetteImage::getSha1Sum() const
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{
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	assert(!sha1sum.empty());
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	return sha1sum;
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}
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} // namespace openmsx