Mercurial > projects > dwt-win
annotate dwt/dwthelper/System.d @ 225:cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 19 May 2008 22:19:44 +0200 |
| parents | ab60f3309436 |
| children | d10ff1f47f84 |
| rev | line source |
|---|---|
| 23 | 1 /** |
| 0 | 2 * Authors: Frank Benoit <keinfarbton@googlemail.com> |
| 3 */ | |
| 4 module dwt.dwthelper.System; | |
| 5 | |
| 6 import tango.core.Exception; | |
|
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00a333240696
FileDialog, sync dwthelper with dwt-linux, some TCHAR issues
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parents:
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7 import tango.time.Clock; |
| 33 | 8 import tango.stdc.stdlib : exit; |
| 0 | 9 |
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10 import dwt.dwthelper.utils; |
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ab60f3309436
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diff
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11 |
| 0 | 12 template SimpleType(T) { |
| 13 debug{ | |
| 14 static void validCheck(uint SrcLen, uint DestLen, uint copyLen){ | |
| 15 if(SrcLen < copyLen || DestLen < copyLen|| SrcLen < 0 || DestLen < 0){ | |
| 23 | 16 //Util.trace("Error : SimpleType.arraycopy(), out of bounds."); |
| 0 | 17 assert(0); |
| 18 } | |
| 19 } | |
| 20 } | |
| 21 | |
| 22 static void remove(inout T[] items, int index) { | |
| 23 if(items.length == 0) | |
| 24 return; | |
| 25 | |
| 26 if(index < 0 || index >= items.length){ | |
| 27 throw new ArrayBoundsException(__FILE__, __LINE__); | |
| 28 } | |
| 29 | |
| 30 T element = items[index]; | |
| 31 | |
| 32 int length = items.length; | |
| 33 if(length == 1){ | |
| 34 items.length = 0; | |
| 35 return;// element; | |
| 36 } | |
| 37 | |
| 38 if(index == 0) | |
| 39 items = items[1 .. $]; | |
| 40 else if(index == length - 1) | |
| 41 items = items[0 .. index]; | |
| 42 else | |
| 43 items = items[0 .. index] ~ items[index + 1 .. $]; | |
| 44 } | |
| 45 | |
| 46 static void insert(inout T[] items, T item, int index = -1) { | |
| 47 if(index == -1) | |
| 48 index = items.length; | |
| 49 | |
| 50 if(index < 0 || index > items.length ){ | |
| 51 throw new ArrayBoundsException(__FILE__, __LINE__); | |
| 52 } | |
| 53 | |
| 54 if(index == items.length){ | |
| 55 items ~= item; | |
| 56 }else if(index == 0){ | |
| 57 T[] newVect; | |
| 58 newVect ~= item; | |
| 59 items = newVect ~ items; | |
| 60 }else if(index < items.length ){ | |
| 61 T[] arr1 = items[0 .. index]; | |
| 62 T[] arr2 = items[index .. $]; | |
| 63 | |
| 64 // Important : if you write like the following commented, | |
| 65 // you get wrong data | |
| 66 // code: T[] arr1 = items[0..index]; | |
| 67 // T[] arr2 = items[index..$]; | |
| 68 // items = arr1 ~ item; // error, !!! | |
| 69 // items ~= arr2; // item replace the arrr2[0] here | |
| 70 items = arr1 ~ item ~ arr2; | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 static void arraycopy(T[] src, uint srcPos, T[] dest, uint destPos, uint len) | |
| 75 { | |
| 76 if(len == 0) return; | |
| 77 | |
| 78 assert(src); | |
| 79 assert(dest); | |
| 80 debug{validCheck(src.length - srcPos, dest.length - destPos, len);} | |
| 81 | |
| 82 if(src is dest){ | |
|
225
cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
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83 if( destPos < srcPos ){ |
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cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
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84 for(int i=0; i<len; ++i){ |
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cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
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85 dest[destPos+i] = src[srcPos+i]; |
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cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
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86 } |
|
cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
|
87 } |
|
cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
|
88 else{ |
|
cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
|
89 for(int i=len-1; i>=0; --i){ |
|
cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
|
90 dest[destPos+i] = src[srcPos+i]; |
|
cba62ee36290
Fix bug in System.arraycopy when called for overlapping array ranges
Frank Benoit <benoit@tionex.de>
parents:
212
diff
changeset
|
91 } |
| 0 | 92 } |
| 93 }else{ | |
| 94 dest[destPos..(len+destPos)] = src[srcPos..(len+srcPos)]; | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 | |
| 100 class System { | |
| 101 | |
| 102 alias SimpleType!(int).arraycopy arraycopy; | |
| 103 alias SimpleType!(byte).arraycopy arraycopy; | |
| 104 alias SimpleType!(double).arraycopy arraycopy; | |
| 105 alias SimpleType!(float).arraycopy arraycopy; | |
| 106 alias SimpleType!(short).arraycopy arraycopy; | |
| 107 alias SimpleType!(long).arraycopy arraycopy; | |
| 108 alias SimpleType!(uint).arraycopy arraycopy; | |
| 109 alias SimpleType!(ushort).arraycopy arraycopy; | |
| 110 alias SimpleType!(ubyte).arraycopy arraycopy; | |
| 111 alias SimpleType!(ulong).arraycopy arraycopy; | |
| 112 alias SimpleType!(char).arraycopy arraycopy; | |
| 113 alias SimpleType!(wchar).arraycopy arraycopy; | |
| 114 alias SimpleType!(Object).arraycopy arraycopy; | |
| 115 alias SimpleType!(void*).arraycopy arraycopy; | |
| 116 | |
| 117 alias SimpleType!(int[]).arraycopy arraycopy; | |
| 118 alias SimpleType!(byte[]).arraycopy arraycopy; | |
| 119 alias SimpleType!(double[]).arraycopy arraycopy; | |
| 120 alias SimpleType!(float[]).arraycopy arraycopy; | |
| 121 alias SimpleType!(short[]).arraycopy arraycopy; | |
| 122 alias SimpleType!(long[]).arraycopy arraycopy; | |
| 123 alias SimpleType!(uint[]).arraycopy arraycopy; | |
| 124 alias SimpleType!(ushort[]).arraycopy arraycopy; | |
| 125 alias SimpleType!(ubyte[]).arraycopy arraycopy; | |
| 126 alias SimpleType!(ulong[]).arraycopy arraycopy; | |
| 127 alias SimpleType!(char[]).arraycopy arraycopy; | |
| 128 alias SimpleType!(wchar[]).arraycopy arraycopy; | |
| 129 alias SimpleType!(Object[]).arraycopy arraycopy; | |
| 130 alias SimpleType!(void*[]).arraycopy arraycopy; | |
| 131 alias SimpleType!(void*[]).arraycopy arraycopy; | |
| 132 | |
| 133 static long currentTimeMillis(){ | |
|
84
00a333240696
FileDialog, sync dwthelper with dwt-linux, some TCHAR issues
Frank Benoit <benoit@tionex.de>
parents:
33
diff
changeset
|
134 return Clock.now().ticks() / 10000; |
| 0 | 135 } |
| 136 | |
| 33 | 137 static void exit( int code ){ |
| 138 .exit(code); | |
| 139 } | |
| 197 | 140 public static int identityHashCode(Object x){ |
| 141 if( x is null ){ | |
| 142 return 0; | |
| 143 } | |
| 144 return (*cast(Object *)&x).toHash(); | |
| 145 } | |
| 33 | 146 |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
197
diff
changeset
|
147 public static String getProperty( String key ){ |
| 197 | 148 switch( key ){ |
| 149 case "os.name": return "windows"; | |
| 150 default: return null; | |
| 151 } | |
| 152 } | |
| 0 | 153 } |
| 154 |