1 /*
2 * Copyright (C) 2017 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 package com.android.tools.metalava
18
19 enum class TerminalColor(val value: Int) {
20 BLACK(0),
21 RED(1),
22 GREEN(2),
23 YELLOW(3),
24 BLUE(4),
25 MAGENTA(5),
26 CYAN(6),
27 WHITE(7)
28 }
29
terminalAttributesnull30 fun terminalAttributes(
31 bold: Boolean = false,
32 underline: Boolean = false,
33 reverse: Boolean = false,
34 foreground: TerminalColor? = null,
35 background: TerminalColor? = null
36 ): String {
37 val sb = StringBuilder()
38 sb.append("\u001B[")
39 if (foreground != null) {
40 sb.append('3').append('0' + foreground.value)
41 }
42 if (background != null) {
43 if (sb.last().isDigit())
44 sb.append(';')
45 sb.append('4').append('0' + background.value)
46 }
47
48 if (bold) {
49 if (sb.last().isDigit())
50 sb.append(';')
51 sb.append('1')
52 }
53 if (underline) {
54 if (sb.last().isDigit())
55 sb.append(';')
56 sb.append('4')
57 }
58 if (reverse) {
59 if (sb.last().isDigit())
60 sb.append(';')
61 sb.append('7')
62 }
63 if (sb.last() == '[') {
64 // Nothing: Reset
65 sb.append('0')
66 }
67 sb.append("m")
68 return sb.toString()
69 }
70
resetTerminalnull71 fun resetTerminal(): String {
72 return "\u001b[0m"
73 }
74
colorizednull75 fun colorized(string: String, color: TerminalColor): String {
76 return "${terminalAttributes(foreground = color)}$string${resetTerminal()}"
77 }
78
boldnull79 fun bold(string: String): String {
80 return "${terminalAttributes(bold = true)}$string${resetTerminal()}"
81 }
82