| #!/bin/bash |
| # |
| # Copyright 2020 The Cobalt Authors. All Rights Reserved. |
| # |
| # 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. |
| # |
| # A set of helper functions to output colored text using ANSI escape codes. |
| |
| function pprint() { |
| local arg="-e" |
| if [[ "${OSTYPE}" = "*darwin*" ]]; then |
| arg="" |
| fi |
| |
| # This command uses ANSI escape codes to attempt to output colored text. For |
| # more information see https://en.wikipedia.org/wiki/ANSI_escape_code. |
| echo "$arg" "\033[0;${1}m${2}\033[0m" >&2 |
| } |
| |
| function info() { |
| pprint 32 "${1}" |
| } |
| |
| function warn() { |
| pprint 33 "${1}" |
| } |
| |
| function error() { |
| pprint 31 "${1}" |
| } |
| |
