mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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/**
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* Miscellaneous utilities for use in yul-phaser.
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*/
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#pragma once
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#include <iostream>
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#include <map>
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#include <string>
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#include <vector>
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namespace solidity::phaser
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{
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/// Loads the whole file into memory, splits the content into lines, strips newlines and
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/// returns the result as a list of strings.
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///
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/// Throws FileOpenError if the file does not exist or cannot be opened for reading.
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/// Throws FileReadError if any read operation fails during the whole process.
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std::vector<std::string> readLinesFromFile(std::string const& _path);
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/// Reads a token from the input stream and translates it to a string using a map.
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/// Sets the failbit in the stream if there's no matching value in the map.
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template <typename C>
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std::istream& deserializeChoice(
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std::istream& _inputStream,
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C& _choice,
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std::map<std::string, C> const& _stringToValueMap
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)
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{
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std::string deserializedValue;
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_inputStream >> deserializedValue;
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auto const& pair = _stringToValueMap.find(deserializedValue);
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if (pair != _stringToValueMap.end())
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_choice = pair->second;
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else
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_inputStream.setstate(std::ios_base::failbit);
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return _inputStream;
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}
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/// Translates a value to a string using a map and prints it to the output stream.
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/// Sets the failbit if the value is not in the map.
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template <typename C>
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std::ostream& serializeChoice(
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std::ostream& _outputStream,
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C const& _choice,
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std::map<C, std::string> const& _valueToStringMap
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)
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{
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auto const& pair = _valueToStringMap.find(_choice);
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if (pair != _valueToStringMap.end())
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_outputStream << pair->second;
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else
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_outputStream.setstate(std::ios_base::failbit);
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return _outputStream;
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}
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}
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