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// SPDX-License-Identifier: LGPL-3.0-or-later
// Author: Kristian Lytje
#pragma once
#include <io/detail/IValidatedFile.h>
#include <stdexcept>
namespace ausaxs::io {
namespace detail {
struct validate_existing_file {
static void validate(observer_ptr<File> f) {
if (!f->empty() && !f->exists()) {
throw std::runtime_error("ExistingFile::validate: File \"" + f->path() + "\" does not exist.");
}
}
};
}
class ExistingFile : public detail::IValidatedFile<detail::validate_existing_file> {
using IValidatedFile::IValidatedFile;
};
static_assert(supports_nothrow_move_v<ExistingFile>, "ExistingFile should support nothrow move semantics.");
}
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