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1 /**
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2 * Authors: Frank Benoit <keinfarbton@googlemail.com>
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3 */
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4 module dwt.dwthelper.utils;
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5
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6 public import dwt.dwthelper.System;
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7 public import Math = tango.math.Math;
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8
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9 import tango.io.Stdout;
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10 import tango.stdc.stringz;
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11 import tango.text.Util;
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12 import tango.text.Unicode;
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13 import tango.text.convert.Utf;
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14 import tango.core.Exception;
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15 import tango.stdc.stdlib : exit;
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16
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17 void implMissing( char[] file, uint line ){
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18 Stderr.formatln( "implementation missing in file {} line {}", file, line );
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19 Stderr.formatln( "exiting ..." );
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20 exit(1);
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21 }
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22
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23 abstract class ArrayWrapper{
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24 }
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25
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26 class ArrayWrapperT(T) : ArrayWrapper {
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27 public T[] array;
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28 public this( T[] data ){
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29 array = data;
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30 }
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31 }
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32
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33 alias ArrayWrapperT!(byte) ArrayWrapperByte;
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34 alias ArrayWrapperT!(int) ArrayWrapperInt;
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35 alias ArrayWrapperT!(Object) ArrayWrapperObject;
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36 alias ArrayWrapperT!(char) ArrayWrapperString;
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37 alias ArrayWrapperT!(char[]) ArrayWrapperString2;
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38
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39 dchar getFirstCodepoint( char[] str ){
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40 foreach( dchar d; str ){
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41 return d;
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42 }
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43 }
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44 dchar CharacterToLower( dchar c ){
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45 dchar[] r = tango.text.Unicode.toLower( [c] );
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46 return r[0];
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47 }
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48 dchar CharacterToUpper( dchar c ){
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49 dchar[] r = tango.text.Unicode.toUpper( [c] );
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50 return r[0];
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51 }
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52
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53 public int indexOf( char[] str, char searched ){
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54 int res = tango.text.Util.locate( str, searched );
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55 if( res is str.length ) res = -1;
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56 return res;
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57 }
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58
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59 public int indexOf( char[] str, char searched, int startpos ){
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60 int res = tango.text.Util.locate( str, searched, startpos );
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61 if( res is str.length ) res = -1;
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62 return res;
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63 }
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64
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65 public int indexOf(char[] str, char[] ch, int start){
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66 int res = tango.text.Util.locatePattern( str, ch, start );
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67 if( res is str.length ) res = -1;
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68 return res;
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69 }
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70
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71 public char[] substring( char[] str, int start ){
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72 return str[ start .. $ ].dup;
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73 }
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74
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75 public char[] substring( char[] str, int start, int end ){
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76 return str[ start .. end ].dup;
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77 }
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78
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79 public wchar[] substring( wchar[] str, int start ){
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80 return str[ start .. $ ].dup;
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81 }
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82
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83 public wchar[] substring( wchar[] str, int start, int end ){
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84 return str[ start .. end ].dup;
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85 }
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86
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87 public char charAt( char[] str, int pos ){
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88 return str[ pos ];
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89 }
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90
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91 static char[] toHex(uint value, bool prefix = true, int radix = 8){
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92 return tango.text.convert.Integer.toString(
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93 value,
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94 radix is 10 ? tango.text.convert.Integer.Style.Signed :
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95 radix is 8 ? tango.text.convert.Integer.Style.Octal :
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96 radix is 16 ? tango.text.convert.Integer.Style.Hex :
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97 tango.text.convert.Integer.Style.Signed,
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98 prefix ? tango.text.convert.Integer.Flags.Prefix : tango.text.convert.Integer.Flags.None
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99 );
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100 }
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101
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102 class NumberFormatException : IllegalArgumentException {
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103 this( char[] e ){
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104 super(e);
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105 }
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106 this( TracedException e ){
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107 super(e.toString);
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108 }
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109 }
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110
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111
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112
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113
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114
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115
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