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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.
*/
#ifndef wasm_color_h
#define wasm_color_h
#include <cstdlib>
#include <ostream>
#if defined(__linux__) || defined(__apple__)
#include <unistd.h>
namespace Colors {
inline void outputColorCode(std::ostream& stream,const char* colorCode) {
if((getenv("COLORS") && getenv("COLORS")[0] == '1') || // forced
(isatty(STDOUT_FILENO) && (!getenv("COLORS") || getenv("COLORS")[0] != '0'))) { // implicit
stream << colorCode;
}
}
#else
namespace Colors {
inline void outputColorCode(std::ostream& stream,const char* colorCode) {}
#endif
inline void normal(std::ostream& stream) { outputColorCode(stream,"\033[0m"); }
inline void red(std::ostream& stream) { outputColorCode(stream,"\033[31m"); }
inline void magenta(std::ostream& stream) { outputColorCode(stream,"\033[35m"); }
inline void orange(std::ostream& stream) { outputColorCode(stream,"\033[33m"); }
inline void grey(std::ostream& stream) { outputColorCode(stream,"\033[37m"); }
inline void green(std::ostream& stream) { outputColorCode(stream,"\033[32m"); }
inline void blue(std::ostream& stream) { outputColorCode(stream,"\033[34m"); }
inline void bold(std::ostream& stream) { outputColorCode(stream,"\033[1m"); }
};
#endif // wasm_color_h
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