1 /*
2 * Copyright 2017 Google Inc.
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 * https://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 trebuchet.extras
18
19 import trebuchet.model.Model
20 import trebuchet.task.ImportTask
21 import trebuchet.util.PrintlnImportFeedback
22 import java.io.File
23
formatnull24 fun Double.format(digits: Int) = String.format("%.${digits}f", this)
25
26 fun reportImportProgress(read: Long, total: Long) {
27 if (total > 0) {
28 val progress = read.toDouble() / total.toDouble() * 100.0
29 print("\rProgress: ${progress.format(2)}%")
30 if (progress >= 100) { print("\n") }
31 }
32 }
33
parseTracenull34 fun parseTrace(file: File, verbose : Boolean = true): Model {
35 val before = System.nanoTime()
36 val task = ImportTask(PrintlnImportFeedback())
37 val model = task.import(InputStreamAdapter(file, if (verbose) ::reportImportProgress else null))
38 val after = System.nanoTime()
39
40 if (verbose) {
41 val duration = (after - before) / 1000000
42 println("Parsing ${file.name} took ${duration}ms")
43 }
44
45 return model
46 }
47
findSampleDatanull48 fun findSampleData(): String {
49 var dir = File(".").absoluteFile
50 while (!File(dir, "sample_data").exists()) {
51 dir = dir.parentFile
52 if (dir == null) {
53 throw IllegalStateException("Can't find sample_data")
54 }
55 }
56 return File(dir, "sample_data").absolutePath
57 }
58
openSamplenull59 fun openSample(name: String): Model {
60 return parseTrace(File(findSampleData(), name))
61 }