1 | #region License Information
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2 |
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3 | /* HeuristicLab
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4 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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5 | *
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6 | * This file is part of HeuristicLab.
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7 | *
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8 | * HeuristicLab is free software: you can redistribute it and/or modify
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9 | * it under the terms of the GNU General Public License as published by
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10 | * the Free Software Foundation, either version 3 of the License, or
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11 | * (at your option) any later version.
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12 | *
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13 | * HeuristicLab is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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20 | */
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21 |
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22 | #endregion
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23 |
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24 | using System;
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25 | using System.Collections.Generic;
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26 | using System.Linq;
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27 | using System.Text;
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28 | using System.Text.RegularExpressions;
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29 |
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30 | namespace HeuristicLab.Common {
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31 | public static class TimeSpanHelper {
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32 | public static bool TryGetFromNaturalFormat(string text, out TimeSpan result) {
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33 | result = TimeSpan.Zero;
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34 |
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35 | var matches = Regex.Matches(text, @"(\d+)[ \t]*([a-zA-Z]+)");
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36 | if (matches.Count == 0) return false;
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37 |
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38 | foreach (Match match in matches) {
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39 | var number = match.Groups[1].Value;
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40 | var unit = match.Groups[2].Value;
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41 |
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42 | double value;
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43 | if (!double.TryParse(number, out value))
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44 | return false;
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45 |
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46 | switch (unit) {
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47 | case "d":
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48 | case "day":
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49 | case "days": result = result.Add(TimeSpan.FromDays(value)); break;
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50 | case "h":
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51 | case "hour":
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52 | case "hours": result = result.Add(TimeSpan.FromHours(value)); break;
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53 | case "m":
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54 | case "min":
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55 | case "minute":
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56 | case "minutes": result = result.Add(TimeSpan.FromMinutes(value)); break;
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57 | case "s":
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58 | case "sec":
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59 | case "second":
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60 | case "seconds": result = result.Add(TimeSpan.FromSeconds(value)); break;
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61 | default: return false;
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62 | }
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63 | }
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64 | return true;
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65 | }
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66 |
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67 | public static string FormatNatural(TimeSpan ts, bool abbrevUnit = false, bool composite = false) {
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68 | if (!composite) {
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69 | if (ts.TotalSeconds < 180) return ts.TotalSeconds + (abbrevUnit ? "s" : " seconds");
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70 | if (ts.TotalMinutes < 180) return ts.TotalMinutes + (abbrevUnit ? "min" : " minutes");
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71 | if (ts.TotalHours < 96) return ts.TotalHours + (abbrevUnit ? "h" : " hours");
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72 | return ts.TotalDays + (abbrevUnit ? "d" : " days");
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73 | } else {
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74 | var sb = new StringBuilder();
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75 | if (ts.TotalDays > 0) {
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76 | var absDays = (int)Math.Floor(ts.TotalDays);
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77 | sb.Append(absDays);
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78 | sb.Append(abbrevUnit ? "d" : ((absDays > 1) ? " days" : " day"));
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79 | }
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80 | if (ts.Hours > 0) {
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81 | if (sb.Length > 0) sb.Append(" ");
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82 | sb.Append(ts.Hours);
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83 | sb.Append(abbrevUnit ? "h" : ((ts.Hours > 1) ? " hours" : " hour"));
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84 | }
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85 | if (ts.Minutes > 0) {
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86 | if (sb.Length > 0) sb.Append(" ");
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87 | sb.Append(ts.Minutes);
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88 | sb.Append(abbrevUnit ? "min" : ((ts.Minutes > 1) ? " minutes" : " minute"));
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89 | }
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90 | if (ts.Seconds > 0) {
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91 | if (sb.Length > 0) sb.Append(" ");
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92 | sb.Append(ts.Seconds);
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93 | sb.Append(abbrevUnit ? "s" : ((ts.Minutes > 1) ? " seconds" : " second"));
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94 | }
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95 | return sb.ToString();
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96 | }
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97 | }
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98 | }
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99 | }
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