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 import java.io.PrintWriter
20
21 enum class TerminalColor(val value: Int) {
22 BLACK(0),
23 RED(1),
24 GREEN(2),
25 YELLOW(3),
26 BLUE(4),
27 MAGENTA(5),
28 CYAN(6),
29 WHITE(7)
30 }
31
terminalAttributesnull32 fun terminalAttributes(
33 bold: Boolean = false,
34 underline: Boolean = false,
35 reverse: Boolean = false,
36 foreground: TerminalColor? = null,
37 background: TerminalColor? = null
38 ): String {
39 val sb = StringBuilder()
40 sb.append("\u001B[")
41 if (foreground != null) {
42 sb.append('3').append('0' + foreground.value)
43 }
44 if (background != null) {
45 if (sb.last().isDigit())
46 sb.append(';')
47 sb.append('4').append('0' + background.value)
48 }
49
50 if (bold) {
51 if (sb.last().isDigit())
52 sb.append(';')
53 sb.append('1')
54 }
55 if (underline) {
56 if (sb.last().isDigit())
57 sb.append(';')
58 sb.append('4')
59 }
60 if (reverse) {
61 if (sb.last().isDigit())
62 sb.append(';')
63 sb.append('7')
64 }
65 if (sb.last() == '[') {
66 // Nothing: Reset
67 sb.append('0')
68 }
69 sb.append("m")
70 return sb.toString()
71 }
72
resetTerminalnull73 fun resetTerminal(): String {
74 return "\u001b[0m"
75 }
76
colorizednull77 fun colorized(string: String, color: TerminalColor): String {
78 return "${terminalAttributes(foreground = color)}$string${resetTerminal()}"
79 }
80
boldnull81 fun bold(string: String): String {
82 return "${terminalAttributes(bold = true)}$string${resetTerminal()}"
83 }
84
terminalPrintnull85 fun PrintWriter.terminalPrint(
86 string: String,
87 bold: Boolean = false,
88 underline: Boolean = false,
89 reverse: Boolean = false,
90 foreground: TerminalColor? = null,
91 background: TerminalColor? = null
92 ) {
93 print(
94 terminalAttributes(
95 bold = bold, underline = underline, reverse = reverse, foreground = foreground,
96 background = background
97 )
98 )
99 print(string)
100 print(resetTerminal())
101 }
102