Christopher Ferris | 1a99356 | 2018-08-21 12:43:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <stdarg.h> |
| 18 | #include <stdio.h> |
| 19 | #include <stdlib.h> |
| 20 | #include <unistd.h> |
| 21 | |
| 22 | #include <gtest/gtest.h> |
| 23 | |
| 24 | #include "Color.h" |
| 25 | |
| 26 | namespace android { |
| 27 | namespace gtest_extras { |
| 28 | |
| 29 | static bool ShouldUseColor() { |
| 30 | const auto& gtest_color = ::testing::GTEST_FLAG(color); |
| 31 | if (gtest_color == "yes" || gtest_color == "true" || gtest_color == "t") { |
| 32 | return true; |
| 33 | } |
| 34 | if (gtest_color != "auto") { |
| 35 | return false; |
| 36 | } |
| 37 | |
| 38 | bool stdout_is_tty = isatty(STDOUT_FILENO) != 0; |
| 39 | if (!stdout_is_tty) { |
| 40 | return false; |
| 41 | } |
| 42 | |
| 43 | std::string color_term; |
| 44 | const char* const color_term_env = getenv("COLORTERM"); |
| 45 | if (color_term_env != nullptr) { |
| 46 | color_term = color_term_env; |
| 47 | } |
| 48 | std::string term; |
| 49 | const char* const term_env = getenv("TERM"); |
| 50 | if (term_env != nullptr) { |
| 51 | term = term_env; |
| 52 | } |
| 53 | return !color_term.empty() || term == "xterm" || term == "xterm-color" || |
| 54 | term == "xterm-256color" || term == "screen" || term == "screen-256color" || |
| 55 | term == "tmux" || term == "tmux-256color" || term == "rxvt-unicode" || |
| 56 | term == "rxvt-unicode-256color" || term == "linux" || term == "cygwing"; |
| 57 | } |
| 58 | |
| 59 | void ColoredPrintf(const char* color, const char* fmt, ...) { |
| 60 | static const bool use_color = ShouldUseColor(); |
| 61 | |
| 62 | va_list args; |
| 63 | va_start(args, fmt); |
| 64 | |
| 65 | if (!use_color) { |
| 66 | vprintf(fmt, args); |
| 67 | } else { |
| 68 | printf("%s", color); |
| 69 | vprintf(fmt, args); |
| 70 | printf("%s", COLOR_RESET); |
| 71 | } |
| 72 | |
| 73 | va_end(args); |
| 74 | } |
| 75 | |
| 76 | } // namespace gtest_extras |
| 77 | } // namespace android |