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Side by Side Diff: runtime/observatory/lib/utils.dart

Issue 2345023003: Use dartfmt on Observatory code (Closed)
Patch Set: merge Created 4 years, 3 months ago
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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 library utils; 5 library utils;
6 6
7 import 'dart:async'; 7 import 'dart:async';
8 import 'dart:math'; 8 import 'dart:math';
9 9
10 class Utils { 10 class Utils {
11
12 static String formatPercentNormalized(double x) { 11 static String formatPercentNormalized(double x) {
13 var percent = 100.0 * x; 12 var percent = 100.0 * x;
14 return '${percent.toStringAsFixed(2)}%'; 13 return '${percent.toStringAsFixed(2)}%';
15 } 14 }
16 15
17 static String formatPercent(num a, num total) { 16 static String formatPercent(num a, num total) {
18 return formatPercentNormalized(a / total); 17 return formatPercentNormalized(a / total);
19 } 18 }
20 19
21 static String zeroPad(int value, int pad) { 20 static String zeroPad(int value, int pad) {
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after
68 millis = millis % millisPerHour; 67 millis = millis % millisPerHour;
69 68
70 var minutes = millis ~/ millisPerMinute; 69 var minutes = millis ~/ millisPerMinute;
71 millis = millis % millisPerMinute; 70 millis = millis % millisPerMinute;
72 71
73 var seconds = millis ~/ millisPerSecond; 72 var seconds = millis ~/ millisPerSecond;
74 millis = millis % millisPerSecond; 73 millis = millis % millisPerSecond;
75 74
76 if (hours > 0) { 75 if (hours > 0) {
77 return ("${zeroPad(hours,2)}" 76 return ("${zeroPad(hours,2)}"
78 ":${zeroPad(minutes,2)}" 77 ":${zeroPad(minutes,2)}"
79 ":${zeroPad(seconds,2)}" 78 ":${zeroPad(seconds,2)}"
80 ".${zeroPad(millis,3)}"); 79 ".${zeroPad(millis,3)}");
81 } else if (minutes > 0) { 80 } else if (minutes > 0) {
82 return ("${zeroPad(minutes,2)}" 81 return ("${zeroPad(minutes,2)}"
83 ":${zeroPad(seconds,2)}" 82 ":${zeroPad(seconds,2)}"
84 ".${zeroPad(millis,3)}"); 83 ".${zeroPad(millis,3)}");
85 } else { 84 } else {
86 return ("${zeroPad(seconds,2)}" 85 return ("${zeroPad(seconds,2)}"
87 ".${zeroPad(millis,3)}"); 86 ".${zeroPad(millis,3)}");
88 } 87 }
89 } 88 }
90 89
91 static String formatSize(int bytes) { 90 static String formatSize(int bytes) {
92 const int digits = 1; 91 const int digits = 1;
93 const int bytesPerKB = 1024; 92 const int bytesPerKB = 1024;
94 const int bytesPerMB = 1024 * bytesPerKB; 93 const int bytesPerMB = 1024 * bytesPerKB;
95 const int bytesPerGB = 1024 * bytesPerMB; 94 const int bytesPerGB = 1024 * bytesPerMB;
96 const int bytesPerTB = 1024 * bytesPerGB; 95 const int bytesPerTB = 1024 * bytesPerGB;
97 96
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after
130 return '${hours}h ${minutes}m ${seconds}s'; 129 return '${hours}h ${minutes}m ${seconds}s';
131 } 130 }
132 if (minutes != 0) { 131 if (minutes != 0) {
133 return '${minutes}m ${seconds}s'; 132 return '${minutes}m ${seconds}s';
134 } 133 }
135 return '${seconds}s'; 134 return '${seconds}s';
136 } 135 }
137 136
138 static String formatDateTime(DateTime now) { 137 static String formatDateTime(DateTime now) {
139 return '${now.year}-${now.month}-${now.day} ' 138 return '${now.year}-${now.month}-${now.day} '
140 '${now.hour.toString().padLeft(2)}:' 139 '${now.hour.toString().padLeft(2)}:'
141 '${now.minute.toString().padLeft(2)}:' 140 '${now.minute.toString().padLeft(2)}:'
142 '${now.second.toString().padLeft(2)}'; 141 '${now.second.toString().padLeft(2)}';
143 } 142 }
144 143
145 static String formatSeconds(double x) { 144 static String formatSeconds(double x) {
146 return x.toStringAsFixed(2); 145 return x.toStringAsFixed(2);
147 } 146 }
148 147
149 static String formatMillis(double x) { 148 static String formatMillis(double x) {
150 return x.toStringAsFixed(2); 149 return x.toStringAsFixed(2);
151 } 150 }
152 151
153 static String formatDurationInSeconds(Duration x) => 152 static String formatDurationInSeconds(Duration x) =>
154 formatSeconds(x.inMicroseconds / Duration.MICROSECONDS_PER_SECOND); 153 formatSeconds(x.inMicroseconds / Duration.MICROSECONDS_PER_SECOND);
155 154
156 static String formatDurationInMilliseconds(Duration x) => 155 static String formatDurationInMilliseconds(Duration x) =>
157 formatMillis(x.inMicroseconds / Duration.MICROSECONDS_PER_MILLISECOND); 156 formatMillis(x.inMicroseconds / Duration.MICROSECONDS_PER_MILLISECOND);
158 157
159 static bool runningInJavaScript() => identical(1.0, 1); 158 static bool runningInJavaScript() => identical(1.0, 1);
160 159
161 static formatStringAsLiteral(String value, [bool wasTruncated=false]) { 160 static formatStringAsLiteral(String value, [bool wasTruncated = false]) {
162 var result = new List(); 161 var result = new List();
163 result.add("'".codeUnitAt(0)); 162 result.add("'".codeUnitAt(0));
164 for (int codeUnit in value.codeUnits) { 163 for (int codeUnit in value.codeUnits) {
165 if (codeUnit == '\n'.codeUnitAt(0)) result.addAll('\\n'.codeUnits); 164 if (codeUnit == '\n'.codeUnitAt(0))
166 else if (codeUnit == '\r'.codeUnitAt(0)) result.addAll('\\r'.codeUnits); 165 result.addAll('\\n'.codeUnits);
167 else if (codeUnit == '\f'.codeUnitAt(0)) result.addAll('\\f'.codeUnits); 166 else if (codeUnit == '\r'.codeUnitAt(0))
168 else if (codeUnit == '\b'.codeUnitAt(0)) result.addAll('\\b'.codeUnits); 167 result.addAll('\\r'.codeUnits);
169 else if (codeUnit == '\t'.codeUnitAt(0)) result.addAll('\\t'.codeUnits); 168 else if (codeUnit == '\f'.codeUnitAt(0))
170 else if (codeUnit == '\v'.codeUnitAt(0)) result.addAll('\\v'.codeUnits); 169 result.addAll('\\f'.codeUnits);
171 else if (codeUnit == '\$'.codeUnitAt(0)) result.addAll('\\\$'.codeUnits); 170 else if (codeUnit == '\b'.codeUnitAt(0))
172 else if (codeUnit == '\\'.codeUnitAt(0)) result.addAll('\\\\'.codeUnits); 171 result.addAll('\\b'.codeUnits);
173 else if (codeUnit == "'".codeUnitAt(0)) result.addAll("'".codeUnits); 172 else if (codeUnit == '\t'.codeUnitAt(0))
173 result.addAll('\\t'.codeUnits);
174 else if (codeUnit == '\v'.codeUnitAt(0))
175 result.addAll('\\v'.codeUnits);
176 else if (codeUnit == '\$'.codeUnitAt(0))
177 result.addAll('\\\$'.codeUnits);
178 else if (codeUnit == '\\'.codeUnitAt(0))
179 result.addAll('\\\\'.codeUnits);
180 else if (codeUnit == "'".codeUnitAt(0))
181 result.addAll("'".codeUnits);
174 else if (codeUnit < 32) { 182 else if (codeUnit < 32) {
175 var escapeSequence = "\\u" + codeUnit.toRadixString(16).padLeft(4, "0") ; 183 var escapeSequence = "\\u" + codeUnit.toRadixString(16).padLeft(4, "0");
176 result.addAll(escapeSequence.codeUnits); 184 result.addAll(escapeSequence.codeUnits);
177 } else result.add(codeUnit); 185 } else
186 result.add(codeUnit);
178 } 187 }
179 if (wasTruncated) { 188 if (wasTruncated) {
180 result.addAll("...".codeUnits); 189 result.addAll("...".codeUnits);
181 } else { 190 } else {
182 result.add("'".codeUnitAt(0)); 191 result.add("'".codeUnitAt(0));
183 } 192 }
184 return new String.fromCharCodes(result); 193 return new String.fromCharCodes(result);
185 } 194 }
186 } 195 }
187 196
188 /// A [Task] that can be scheduled on the Dart event queue. 197 /// A [Task] that can be scheduled on the Dart event queue.
189 class Task { 198 class Task {
190 Timer _timer; 199 Timer _timer;
191 final Function callback; 200 final Function callback;
192 201
193 Task(this.callback); 202 Task(this.callback);
194 203
195 /// Queue [this] to run on the next Dart event queue pump. Does nothing 204 /// Queue [this] to run on the next Dart event queue pump. Does nothing
196 /// if [this] is already queued. 205 /// if [this] is already queued.
197 queue() { 206 queue() {
198 if (_timer != null) { 207 if (_timer != null) {
199 // Already scheduled. 208 // Already scheduled.
200 return; 209 return;
201 } 210 }
202 _timer = new Timer(Duration.ZERO, () { 211 _timer = new Timer(Duration.ZERO, () {
203 _timer = null; 212 _timer = null;
204 callback(); 213 callback();
205 }); 214 });
206 } 215 }
207 } 216 }
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