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#ifndef BYTEME_SELF_CLOSING_GZFILE_HPP
#define BYTEME_SELF_CLOSING_GZFILE_HPP
#include <stdexcept>
#include <string>
#include "zlib.h"
namespace byteme {
struct SelfClosingGzFile {
SelfClosingGzFile(const char* path, const char* mode) : handle(gzopen(path, mode)) {
if (!handle) {
throw std::runtime_error("failed to open file at '" + std::string(path) + "'");
}
return;
}
~SelfClosingGzFile() {
if (!closed) {
gzclose(handle);
}
return;
}
SelfClosingGzFile(SelfClosingGzFile&& x) : handle(std::move(x.handle)) {
x.closed = true;
}
SelfClosingGzFile& operator=(SelfClosingGzFile&& x) {
handle = std::move(x.handle);
x.closed = true;
return *this;
}
// Delete the remaining constructors.
SelfClosingGzFile(const SelfClosingGzFile&) = delete;
SelfClosingGzFile& operator=(const SelfClosingGzFile&) = delete;
bool closed = false;
gzFile handle;
};
}
#endif
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