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/*
* Copyright 2015 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// FIle helpers.
//
#ifndef wasm_support_file_h
#define wasm_support_file_h
#include <fstream>
#include <iostream>
#include <string>
#include <utility>
#include <vector>
namespace wasm {
namespace Flags {
enum BinaryOption {
Binary,
Text
};
enum DebugOption {
Debug,
Release
};
}
template <typename T>
T read_file(const std::string &filename, Flags::BinaryOption binary, Flags::DebugOption debug);
// Declare the valid explicit specializations.
extern template std::string read_file<>(const std::string &, Flags::BinaryOption, Flags::DebugOption);
extern template std::vector<char> read_file<>(const std::string &, Flags::BinaryOption, Flags::DebugOption);
class Output {
public:
// An empty filename will open stdout instead.
Output(const std::string &filename, Flags::BinaryOption binary, Flags::DebugOption debug);
~Output() = default;
template <typename T>
std::ostream &operator<<(const T &v) {
return out << v;
}
std::ostream& getStream() {
return out;
}
private:
Output() = delete;
Output(const Output &) = delete;
Output &operator=(const Output &) = delete;
std::ofstream outfile;
std::ostream out;
};
}
#endif // wasm_support_file_h
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