| 1 | 'function.sbp
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| 2 |
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| 3 |
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| 4 | #ifndef _INC_FUNCTION
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| 5 | #define _INC_FUNCTION
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| 6 |
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| 7 |
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| 8 | Const _System_PI = 3.14159265358979323846264
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| 9 | Const _System_LOG2 = 0.6931471805599453094172321214581765680755
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| 10 | Const _System_SQRT2 = 1.41421356237309504880168872421
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| 11 |
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| 12 |
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| 13 | #require <Classes/System/Math.ab>
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| 14 |
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| 15 |
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| 16 | '------------- サポート関数の定義 -------------
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| 17 |
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| 18 | Function ldexp(x As Double, n As Long) As Double
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| 19 | If x = 0 Then
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| 20 | ldexp = 0
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| 21 | Exit Function
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| 22 | End If
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| 23 | Dim pSrc As *QWord, pDest As *QWord
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| 24 | pSrc = VarPtr(x) As *QWord
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| 25 | pDest = VarPtr(ldexp) As *QWord
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| 26 |
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| 27 | n += (pSrc[0] >> 52) As DWord And &h7FF
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| 28 |
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| 29 | pDest[0] = n << 52 Or (pSrc[0] And &h800FFFFFFFFFFFFF)
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| 30 | End Function
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| 31 |
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| 32 | Function frexp(x As Double, ByRef n As Long) As Double
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| 33 | If x = 0 Then
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| 34 | n = 0
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| 35 | frexp = 0
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| 36 | Exit Function
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| 37 | End If
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| 38 |
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| 39 | Dim pSrc As *QWord, pDest As *QWord
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| 40 | pSrc = VarPtr(x) As *QWord
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| 41 | pDest = VarPtr(frexp) As *QWord
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| 42 | n = ((pSrc[0] >> 52) As DWord And &h7FF) - 1022
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| 43 | pDest[0] = (pSrc[0] And &h800FFFFFFFFFFFFF) Or &h3FE0000000000000
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| 44 | End Function
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| 45 |
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| 46 | Function frexp(x As Single, ByRef n As Long) As Single
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| 47 | If x = 0 Then
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| 48 | n = 0
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| 49 | frexp = 0
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| 50 | Exit Function
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| 51 | End If
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| 52 |
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| 53 | Dim pSrc As *DWord, pDest As *DWord
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| 54 | pSrc = VarPtr(x) As *DWord
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| 55 | pDest = VarPtr(frexp) As *DWord
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| 56 | n = ((pSrc[0] >> 23) And &hFF) - 126
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| 57 | pDest[0] = (pSrc[0] And &h807FFFFF) Or &h7E000000
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| 58 | End Function
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| 59 |
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| 60 | Function ipow(x As Double, n As Long) As Double
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| 61 | Dim abs_n As Long
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| 62 | Dim r = 1 As Double
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| 63 |
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| 64 | abs_n=Abs(n) As Long
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| 65 | While abs_n<>0
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| 66 | If abs_n and 1 Then r *= x
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| 67 | x = x * x
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| 68 | abs_n >>= 1 ' abs_n \= 2
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| 69 | Wend
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| 70 |
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| 71 | If n>=0 Then
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| 72 | ipow=r
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| 73 | Else
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| 74 | ipow=1/r
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| 75 | End If
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| 76 | End Function
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| 77 |
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| 78 | Function pow(x As Double, y As Double) As Double
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| 79 | If -LONG_MAX<=y and y<=LONG_MAX and y=CDbl(Int(y)) Then
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| 80 | pow=ipow(x,y As Long)
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| 81 | Exit Function
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| 82 | End If
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| 83 |
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| 84 | If x>0 Then
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| 85 | pow=Exp(y*Log(x))
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| 86 | Exit Function
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| 87 | End If
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| 88 |
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| 89 | If x<>0 or y<=0 Then
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| 90 | 'error
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| 91 | End If
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| 92 |
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| 93 | pow=0
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| 94 | End Function
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| 95 |
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| 96 | #ifdef _WIN64
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| 97 |
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| 98 | Function _System_GetNaN() As Double
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| 99 | SetQWord(VarPtr(_System_GetNaN) As *QWord, &H7FF8000000000000)
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| 100 | End Function
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| 101 |
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| 102 | Function _System_GetInf(sign As BOOL) As Double
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| 103 | Dim s = 0 As QWord
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| 104 | If sign Then s = 1 << 63
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| 105 | SetQWord(VarPtr(_System_GetInf) As *QWord, &h7FF0000000000000 Or s)
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| 106 | End Function
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| 107 |
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| 108 | #else
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| 109 |
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| 110 | Function _System_GetNaN() As Double
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| 111 | Dim p As *DWord
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| 112 | p = VarPtr(_System_GetNaN) As *DWord
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| 113 | p[0] = 0
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| 114 | p[1] = &H7FF80000
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| 115 | End Function
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| 116 |
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| 117 | Function _System_GetInf(sign As BOOL) As Double
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| 118 | Dim s = 0 As DWord
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| 119 | If sign Then s = (1 As DWord) << 31
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| 120 | Dim p As *DWord
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| 121 | p = VarPtr(_System_GetInf) As *DWord
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| 122 | p[0] = 0
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| 123 | p[1] = &h7FF00000 Or s
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| 124 | End Function
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| 125 |
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| 126 | #endif
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| 127 |
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| 128 | ' xの符号だけをyのものにした値を返す。
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| 129 | ' 引数 x 元となる絶対値
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| 130 | ' 引数 y 元となる符号
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| 131 | Function CopySign(x As Double, y As Double) As Double
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| 132 | SetQWord(VarPtr(CopySign), (GetQWord(VarPtr(x)) And &h7fffffffffffffff) Or (GetQWord(VarPtr(y)) And &h8000000000000000))
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| 133 | End Function
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| 134 |
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| 135 | Function CopySign(x As Single, y As Single) As Single
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| 136 | SetDWord(VarPtr(CopySign), (GetDWord(VarPtr(x)) And &h7fffffff) Or (GetDWord(VarPtr(y)) And &h80000000))
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| 137 | End Function
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| 138 |
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| 139 | Function _System_SetSign(x As Double, isNegative As Long) As Double
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| 140 | #ifdef _WIN64
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| 141 | SetQWord(AddressOf(CopySign), (GetQWord(VarPtr(x)) And &h7fffffffffffffff) Or (isNegative << 63))
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| 142 | #else
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| 143 | SetDWord(AddressOf(CopySign), GetDWord(VarPtr(x)))
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| 144 | SetDWord(AddressOf(CopySign) + SizeOf (DWord), GetQWord(VarPtr(x) + SizeOf (DWord)) And &h7fffffff Or (isNegative << 31))
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| 145 | #endif
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| 146 | End Function
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| 147 |
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| 148 | Const RAND_MAX=&H7FFFFFFF
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| 149 | Dim _System_RndNext=1 As DWord
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| 150 |
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| 151 | Function rand() As Long
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| 152 | _System_RndNext = _System_RndNext * 1103515245 + 12345
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| 153 | rand = _System_RndNext >> 1
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| 154 | End Function
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| 155 |
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| 156 | Sub srand(dwSeek As DWord)
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| 157 | _System_RndNext = dwSeek
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| 158 | End Sub
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| 159 |
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| 160 |
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| 161 | '------------- ここからBasic標準関数の定義 -------------
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| 162 |
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| 163 |
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| 164 | '------------------
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| 165 | ' データ型変換関数
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| 166 | '------------------
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| 167 |
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| 168 | Function CDbl(number As Double) As Double
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| 169 | CDbl=number
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| 170 | End Function
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| 171 |
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| 172 | Function _CUDbl(number As QWord) As Double
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| 173 | _CUDbl=number As Double
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| 174 | End Function
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| 175 |
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| 176 | Function CDWord(num As Double) As DWord
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| 177 | CDWord=num As DWord
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| 178 | End Function
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| 179 |
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| 180 | Function CInt(number As Double) As Long
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| 181 | CInt=number As Long
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| 182 | End Function
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| 183 |
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| 184 | Function CSng(number As Double) As Single
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| 185 | CSng=number As Single
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| 186 | End Function
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| 187 |
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| 188 | #ifdef _WIN64
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| 189 | Function Fix(number As Double) As Long
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| 190 | Fix=number As Long
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| 191 | End Function
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| 192 | #else
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| 193 | 'Fix関数はコンパイラに組み込まれている
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| 194 | 'Function Fix(number As Double) As Long
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| 195 | #endif
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| 196 |
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| 197 | Function Int(number As Double) As Long
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| 198 | Int=Fix(number)
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| 199 | If number<0 Then
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| 200 | If number<Fix(number) Then Int=Int-1
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| 201 | End If
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| 202 | End Function
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| 203 |
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| 204 |
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| 205 | '-------------------------------------
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| 206 | ' ポインタ関数（コンパイラに組み込み）
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| 207 | '-------------------------------------
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| 208 |
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| 209 | 'Function GetDouble(p As DWord) As Double
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| 210 | 'Function GetSingle(p As DWord) As Single
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| 211 | 'Function GetDWord(p As DWord) As DWord
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| 212 | 'Function GetWord(p As DWord) As Word
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| 213 | 'Function GetByte(p As DWord) As Byte
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| 214 | 'Sub SetDouble(p As DWord, dblData As Double)
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| 215 | 'Sub SetSingle(p As DWord, fltData As Single)
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| 216 | 'Sub SetDWord(p As DWord, dwData As DWord)
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| 217 | 'Sub SetWord(p As DWord, wData As Word)
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| 218 | 'Sub SetByte(p As DWord, byteData As Byte)
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| 219 |
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| 220 |
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| 221 | '----------
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| 222 | ' 算術関数
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| 223 | '----------
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| 224 |
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| 225 | Function Abs(number As Double) As Double
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| 226 | 'Abs = Math.Abs(number)
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| 227 | If number < 0 then
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| 228 | return -number
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| 229 | Else
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| 230 | return number
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| 231 | End If
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| 232 | End Function
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| 233 |
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| 234 | Function Exp(x As Double) As Double
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| 235 | Exp = Math.Exp(x)
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| 236 | End Function
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| 237 |
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| 238 | Function Log(x As Double) As Double
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| 239 | Log = Math.Log(x)
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| 240 | End Function
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| 241 |
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| 242 | Function Sgn(number As Double) As Long
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| 243 | Sgn = Math.Sign(number)
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| 244 | End Function
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| 245 |
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| 246 | Function Sqr(number As Double) As Double
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| 247 | Sqr = Math.Sqrt(number)
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| 248 | End Function
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| 249 |
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| 250 | Function Atn(number As Double) As Double
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| 251 | Atn = Math.Atan(number)
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| 252 | End Function
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| 253 |
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| 254 | Function _Support_tan(x As Double, ByRef k As Long) As Double
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| 255 | Dim i As Long
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| 256 | Dim t As Double, x2 As Double
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| 257 |
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| 258 | If x>=0 Then
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| 259 | k=Fix(x/(_System_PI/2)+0.5)
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| 260 | Else
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| 261 | k=Fix(x/(_System_PI/2)-0.5)
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| 262 | End If
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| 263 |
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| 264 | x=(x-(CDbl(3217)/CDbl(2048))*k)+4.4544551033807686783083602485579e-6*k
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| 265 |
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| 266 | x2=x*x
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| 267 | t=0
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| 268 |
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| 269 | For i=19 To 3 Step -2
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| 270 | t=x2/(i-t)
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| 271 | Next
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| 272 |
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| 273 | _Support_tan=x/(1-t)
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| 274 | End Function
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| 275 |
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| 276 | Function Atn2(y As Double, x As Double) As Double
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| 277 | Atn2 = Math.Atan2(y, x)
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| 278 | End Function
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| 279 |
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| 280 | Function Sin(number As Double) As Double
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| 281 | Sin = Math.Sin(number)
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| 282 | End Function
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| 283 |
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| 284 | Function Cos(number As Double) As Double
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| 285 | Cos = Math.Cos(number)
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| 286 | End Function
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| 287 |
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| 288 | Function Tan(number As Double) As Double
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| 289 | Tan = Math.Tan(number)
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| 290 | End Function
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| 291 |
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| 292 | Function IsNaN(ByVal x As Double) As Boolean
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| 293 | Dim p As *DWord
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| 294 | p = VarPtr(x) As *DWord
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| 295 | IsNaN = FALSE
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| 296 | If (p[1] And &H7FF00000) = &H7FF00000 Then
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| 297 | If (p[0] <> 0) Or ((p[1] And &HFFFFF) <> 0) Then
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| 298 | IsNaN = True
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| 299 | End If
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| 300 | End If
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| 301 |
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| 302 | ' IsNaN=FALSE
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| 303 | End Function
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| 304 |
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| 305 | Function IsInf(x As Double) As Boolean
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| 306 | Dim p As *DWord, nan As Double
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| 307 | p = VarPtr(x) As *DWord
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| 308 | p[1] And= &h7fffffff
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| 309 | nan = _System_GetInf(FALSE)
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| 310 | IsInf = (memcmp(p As *Byte, VarPtr(nan), SizeOf (Double)) = 0)
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| 311 | End Function
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| 312 |
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| 313 | Function IsNaNOrInf(x As Double) As Boolean
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| 314 | IsNaNOrInf = IsFinite(x)
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| 315 | End Function
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| 316 |
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| 317 | Function IsFinite(x As Double) As Boolean
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| 318 | Dim p As *DWord, nan As Double
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| 319 | p = VarPtr(x) As *DWord
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| 320 | ' p[1] And= &h7ffe0000
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| 321 | p[1] And= &H7FF00000
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| 322 | p[0] = 0
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| 323 | nan = _System_GetInf(/*x,*/ FALSE)
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| 324 | IsFinite = (memcmp(p As BytePtr, VarPtr(nan), SizeOf (Double)) = 0)
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| 325 | End Function
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| 326 |
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| 327 | Const RAND_UNIT = (1.0 / (LONG_MAX + 1.0))
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| 328 | Function Rnd() As Double
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| 329 | Rnd = RAND_UNIT * rand()
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| 330 | End Function
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| 331 |
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| 332 | Const HIDWORD(qw) = (((qw As QWord) >> 32) And &HFFFFFFFF) As DWord
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| 333 | Const LODWORD(qw) = ((qw As QWord) And &HFFFFFFFF) As DWord
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| 334 |
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| 335 | Const MAKEDWORD(l, h) = (((l As DWord) And &HFFFF) Or (((h As DWord) And &HFFFF) << 16)) As DWord
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| 336 | Const MAKEQWORD(l, h) = (((l As QWord) And &HFFFFFFFF) Or (((h As QWord) And &HFFFFFFFF) << 32)) As QWord
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| 337 |
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| 338 | '------------
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| 339 | ' 文字列関数
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| 340 | '------------
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| 341 |
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| 342 | Function Asc(buf As *StrChar) As StrChar
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| 343 | Asc = buf[0]
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| 344 | End Function
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| 345 |
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| 346 | Function Chr$(code As StrChar) As String
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| 347 | Chr$ = ZeroString(1)
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| 348 | Chr$[0] = code
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| 349 | End Function
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| 350 |
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| 351 | #ifndef __STRING_IS_NOT_UNICODE
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| 352 | Function AscW(s As *WCHAR) As UCSCHAR
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| 353 | If s.Length = 0 Then
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| 354 | AscW = 0
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| 355 | Else
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| 356 | If _System_IsSurrogatePair(s[0], s[1]) Then
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| 357 | AscW = ((s[0] And &h3FF) As DWord << 10) Or (s[1] And &h3FF)
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| 358 | Else
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| 359 | AscW = s[0]
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| 360 | End If
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| 361 | End If
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| 362 | End Function
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| 363 |
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| 364 | Function ChrW(c As UCSCHAR) As String
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| 365 | If c <= &hFFFF Then
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| 366 | ChrW.ReSize(1)
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| 367 | ChrW[0] = c As WCHAR
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| 368 | ElseIf c < &h10FFFF Then
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| 369 | ChrW.ReSize(2)
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| 370 | ChrW[0] = &hD800 Or (c >> 10)
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| 371 | ChrW[1] = &hDC00 Or (c And &h3FF)
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| 372 | Else
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| 373 | ' OutOfRangeException
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| 374 | End If
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| 375 | End Function
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| 376 | #endif
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| 377 |
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| 378 | Function Date$() As String
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| 379 | Dim st As SYSTEMTIME
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| 380 | GetLocalTime(st)
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| 381 |
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| 382 | 'year
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| 383 | Date$=Str$(st.wYear)
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| 384 |
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| 385 | 'month
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| 386 | If st.wMonth<10 Then
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| 387 | Date$=Date$+"/0"
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| 388 | Else
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| 389 | Date$=Date$+"/"
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| 390 | End If
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| 391 | Date$=Date$+Str$(st.wMonth)
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| 392 |
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| 393 | 'day
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| 394 | If st.wDay<10 Then
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| 395 | Date$=Date$+"/0"
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| 396 | Else
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| 397 | Date$=Date$+"/"
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| 398 | End If
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| 399 | Date$=Date$+Str$(st.wDay)
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| 400 | End Function
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| 401 |
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| 402 | Dim _System_HexadecimalTable[&h10] = [&h30, &h31, &h32, &h33, &h34, &h35, &h36, &h37, &h38, &h39, &h41, &h42, &h43, &h44, &h45, &h46] As Byte
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| 403 |
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| 404 | Function _System_Hex(x As DWord, zeroSuppress As Boolean) As String
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| 405 | Dim s[7] As StrChar
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| 406 | Dim i As Long
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| 407 | For i = 0 To ELM(Len (s) \ SizeOf (StrChar))
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| 408 | s[i] = _System_HexadecimalTable[x >> 28] As StrChar
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| 409 | x <<= 4
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| 410 | Next
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| 411 | If zeroSuppress Then
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| 412 | Dim i As Long
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| 413 | For i = 0 To 6
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| 414 | If s[i] <> &h30 Then 'Asc("0")
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| 415 | Exit For
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| 416 | End If
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| 417 | Next
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| 418 | Return New String(VarPtr(s[i]) As *StrChar, Len (s) \ SizeOf (StrChar) - i)
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| 419 | Else
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| 420 | Return New String(s As *StrChar, Len (s) \ SizeOf (StrChar))
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| 421 | End If
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| 422 | End Function
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| 423 |
|
|---|
| 424 | Function Hex$(x As DWord) As String
|
|---|
| 425 | Hex$ = _System_Hex(x, True)
|
|---|
| 426 | End Function
|
|---|
| 427 |
|
|---|
| 428 | Function Hex$(x As QWord) As String
|
|---|
| 429 | Hex$ = _System_Hex(HIDWORD(x), True) + _System_Hex(LODWORD(x), False)
|
|---|
| 430 | End Function
|
|---|
| 431 |
|
|---|
| 432 | Function InStr(StartPos As Long, buf1 As String, buf2 As String) As Long
|
|---|
| 433 | Dim i As Long, i2 As Long, i3 As Long
|
|---|
| 434 |
|
|---|
| 435 | Dim len1 = buf1.Length
|
|---|
| 436 | Dim len2 = buf2.Length
|
|---|
| 437 |
|
|---|
| 438 | If len2=0 Then
|
|---|
| 439 | InStr=StartPos
|
|---|
| 440 | Exit Function
|
|---|
| 441 | End If
|
|---|
| 442 |
|
|---|
| 443 | StartPos--
|
|---|
| 444 | If StartPos<0 Then
|
|---|
| 445 | 'error
|
|---|
| 446 | InStr=0
|
|---|
| 447 | Exit Function
|
|---|
| 448 | End If
|
|---|
| 449 |
|
|---|
| 450 | i=StartPos:InStr=0
|
|---|
| 451 | While i<=len1-len2
|
|---|
| 452 | i2=i:i3=0
|
|---|
| 453 | Do
|
|---|
| 454 | If i3=len2 Then
|
|---|
| 455 | InStr=i+1
|
|---|
| 456 | Exit Do
|
|---|
| 457 | End If
|
|---|
| 458 | If buf1[i2]<>buf2[i3] Then Exit Do
|
|---|
| 459 |
|
|---|
| 460 | i2++
|
|---|
| 461 | i3++
|
|---|
| 462 | Loop
|
|---|
| 463 | If InStr Then Exit While
|
|---|
| 464 | i++
|
|---|
| 465 | Wend
|
|---|
| 466 | End Function
|
|---|
| 467 |
|
|---|
| 468 | Function Left$(buf As String, length As Long) As String
|
|---|
| 469 | Left$ = ZeroString(length)
|
|---|
| 470 | memcpy(StrPtr(Left$), StrPtr(buf), SizeOf (StrChar) * length)
|
|---|
| 471 | End Function
|
|---|
| 472 |
|
|---|
| 473 | Function Mid$(buf As String, StartPos As Long)(ReadLength As Long) As String
|
|---|
| 474 | Dim length As Long
|
|---|
| 475 |
|
|---|
| 476 | StartPos--
|
|---|
| 477 | If StartPos<0 Then
|
|---|
| 478 | 'error
|
|---|
| 479 | 'Debug
|
|---|
| 480 | Exit Function
|
|---|
| 481 | End If
|
|---|
| 482 |
|
|---|
| 483 | length=Len(buf)
|
|---|
| 484 | If length<=StartPos Then Exit Function
|
|---|
| 485 |
|
|---|
| 486 | If ReadLength=0 Then
|
|---|
| 487 | ReadLength=length-StartPos
|
|---|
| 488 | End If
|
|---|
| 489 |
|
|---|
| 490 | If ReadLength>length-StartPos Then
|
|---|
| 491 | ReadLength=length-StartPos
|
|---|
| 492 | End If
|
|---|
| 493 |
|
|---|
| 494 | Mid$=ZeroString(ReadLength)
|
|---|
| 495 | memcpy(StrPtr(Mid$), VarPtr(buf.Chars[StartPos]), SizeOf (StrChar) * ReadLength)
|
|---|
| 496 | End Function
|
|---|
| 497 |
|
|---|
| 498 | Function Oct$(num As DWord) As String
|
|---|
| 499 | Dim i As DWord, i2 As DWord
|
|---|
| 500 |
|
|---|
| 501 | For i=10 To 1 Step -1
|
|---|
| 502 | If (num\CDWord(8^i)) And &H07 Then
|
|---|
| 503 | Exit For
|
|---|
| 504 | End If
|
|---|
| 505 | Next
|
|---|
| 506 |
|
|---|
| 507 | Oct$=ZeroString(i+1)
|
|---|
| 508 | i2=0
|
|---|
| 509 | Do
|
|---|
| 510 | Oct$[i2] = &h30 +((num \ CDWord(8 ^ i)) And &H07) ' &h30 = Asc("0")
|
|---|
| 511 | If i=0 Then Exit Do
|
|---|
| 512 | i--
|
|---|
| 513 | i2++
|
|---|
| 514 | Loop
|
|---|
| 515 | End Function
|
|---|
| 516 |
|
|---|
| 517 | Function Right$(buf As String, length As Long) As String
|
|---|
| 518 | Dim i As Long
|
|---|
| 519 |
|
|---|
| 520 | i=Len(buf)
|
|---|
| 521 | If i>length Then
|
|---|
| 522 | Right$=ZeroString(length)
|
|---|
| 523 | memcpy(StrPtr(Right$), VarPtr(buf.Chars[i-length]), SizeOf (StrChar) * length)
|
|---|
| 524 | Else
|
|---|
| 525 | Right$=buf
|
|---|
| 526 | End If
|
|---|
| 527 | End Function
|
|---|
| 528 |
|
|---|
| 529 | Function Space$(length As Long) As String
|
|---|
| 530 | Space$.ReSize(length, &H20 As StrChar)
|
|---|
| 531 | End Function
|
|---|
| 532 |
|
|---|
| 533 | Dim _System_ecvt_buffer[16] As StrChar
|
|---|
| 534 | Sub _ecvt_support(count As Long)
|
|---|
| 535 | Dim i As Long
|
|---|
| 536 | If _System_ecvt_buffer[count]=9 Then
|
|---|
| 537 | _System_ecvt_buffer[count]=0
|
|---|
| 538 | If count=0 Then
|
|---|
| 539 | For i=16 To 1 Step -1
|
|---|
| 540 | _System_ecvt_buffer[i]=_System_ecvt_buffer[i-1]
|
|---|
| 541 | Next
|
|---|
| 542 | _System_ecvt_buffer[0]=1
|
|---|
| 543 | Else
|
|---|
| 544 | _ecvt_support(count-1)
|
|---|
| 545 | End If
|
|---|
| 546 | Else
|
|---|
| 547 | _System_ecvt_buffer[count]++
|
|---|
| 548 | End If
|
|---|
| 549 | End Sub
|
|---|
| 550 | Function _ecvt(value As Double, count As Long, ByRef dec As Long, ByRef sign As Long) As *StrChar
|
|---|
| 551 | Dim i As Long, i2 As Long
|
|---|
| 552 |
|
|---|
| 553 | _ecvt=_System_ecvt_buffer
|
|---|
| 554 |
|
|---|
| 555 | '値が0の場合
|
|---|
| 556 | If value = 0 Then
|
|---|
| 557 | _System_FillChar(_System_ecvt_buffer, count, &H30)
|
|---|
| 558 | _System_ecvt_buffer[count] = 0
|
|---|
| 559 | dec = 0
|
|---|
| 560 | sign = 0
|
|---|
| 561 | Exit Function
|
|---|
| 562 | End If
|
|---|
| 563 |
|
|---|
| 564 | '符号の判断（同時に符号を取り除く）
|
|---|
| 565 | If value < 0 Then
|
|---|
| 566 | sign = 1
|
|---|
| 567 | value = -value
|
|---|
| 568 | Else
|
|---|
| 569 | sign = 0
|
|---|
| 570 | End If
|
|---|
| 571 |
|
|---|
| 572 | '正規化
|
|---|
| 573 | dec = 1
|
|---|
| 574 | While value < 0.999999999999999 'value<1
|
|---|
| 575 | value *= 10
|
|---|
| 576 | dec--
|
|---|
| 577 | Wend
|
|---|
| 578 | While 9.99999999999999 <= value '10<=value
|
|---|
| 579 | value /= 10
|
|---|
| 580 | dec++
|
|---|
| 581 | Wend
|
|---|
| 582 |
|
|---|
| 583 | For i=0 To count-1
|
|---|
| 584 | _System_ecvt_buffer[i] = Int(value) As StrChar
|
|---|
| 585 |
|
|---|
| 586 | value = (value-CDbl(Int(value))) * 10
|
|---|
| 587 | Next
|
|---|
| 588 | _System_ecvt_buffer[i] = 0
|
|---|
| 589 |
|
|---|
| 590 | i--
|
|---|
| 591 | If value >= 5 Then
|
|---|
| 592 | '切り上げ処理
|
|---|
| 593 | _ecvt_support(i)
|
|---|
| 594 | End If
|
|---|
| 595 |
|
|---|
| 596 | For i=0 To ELM(count)
|
|---|
| 597 | _System_ecvt_buffer[i] += &H30
|
|---|
| 598 | Next
|
|---|
| 599 | _System_ecvt_buffer[i] = 0
|
|---|
| 600 | End Function
|
|---|
| 601 |
|
|---|
| 602 | Function Str$(dbl As Double) As String
|
|---|
| 603 | If IsNaN(dbl) Then
|
|---|
| 604 | Return "NaN"
|
|---|
| 605 | ElseIf IsInf(dbl) Then
|
|---|
| 606 | If dbl > 0 Then
|
|---|
| 607 | Return "Infinity"
|
|---|
| 608 | Else
|
|---|
| 609 | Return "-Infinity"
|
|---|
| 610 | End If
|
|---|
| 611 | End If
|
|---|
| 612 | Dim dec As Long, sign As Long
|
|---|
| 613 | Dim buffer[32] As StrChar, temp As *StrChar
|
|---|
| 614 | Dim i As Long, i2 As Long, i3 As Long
|
|---|
| 615 |
|
|---|
| 616 | '浮動小数点を文字列に変換
|
|---|
| 617 | temp = _ecvt(dbl, 15, dec, sign)
|
|---|
| 618 |
|
|---|
| 619 | i=0
|
|---|
| 620 |
|
|---|
| 621 | '符号の取り付け
|
|---|
| 622 | If sign Then
|
|---|
| 623 | buffer[i] = Asc("-")
|
|---|
| 624 | i++
|
|---|
| 625 | End If
|
|---|
| 626 |
|
|---|
| 627 | If dec>15 Then
|
|---|
| 628 | '指数表示（桁が大きい場合）
|
|---|
| 629 | buffer[i] = temp[0]
|
|---|
| 630 | i++
|
|---|
| 631 | buffer[i] = Asc(".")
|
|---|
| 632 | i++
|
|---|
| 633 | memcpy(VarPtr(buffer[i]), VarPtr(temp[1]), SizeOf (StrChar) * 14)
|
|---|
| 634 | i += 14
|
|---|
| 635 | buffer[i] = Asc("e")
|
|---|
| 636 | i++
|
|---|
| 637 | _stprintf(VarPtr(buffer[i]), "+%03d", dec - 1)
|
|---|
| 638 |
|
|---|
| 639 | Return MakeStr(buffer)
|
|---|
| 640 | End If
|
|---|
| 641 |
|
|---|
| 642 | If dec < -3 Then
|
|---|
| 643 | '指数表示（桁が小さい場合）
|
|---|
| 644 | buffer[i] = temp[0]
|
|---|
| 645 | i++
|
|---|
| 646 | buffer[i] = Asc(".")
|
|---|
| 647 | i++
|
|---|
| 648 | memcpy(VarPtr(buffer[i]), VarPtr(temp[1]), SizeOf (StrChar) * 14)
|
|---|
| 649 | i+=14
|
|---|
| 650 | buffer[i] = Asc("e")
|
|---|
| 651 | i++
|
|---|
| 652 | _stprintf(VarPtr(buffer[i]), "+%03d", dec - 1)
|
|---|
| 653 |
|
|---|
| 654 | Return MakeStr(buffer)
|
|---|
| 655 | End If
|
|---|
| 656 |
|
|---|
| 657 | '整数部
|
|---|
| 658 | i2=dec
|
|---|
| 659 | i3=0
|
|---|
| 660 | If i2>0 Then
|
|---|
| 661 | While i2>0
|
|---|
| 662 | buffer[i]=temp[i3]
|
|---|
| 663 | i++
|
|---|
| 664 | i3++
|
|---|
| 665 | i2--
|
|---|
| 666 | Wend
|
|---|
| 667 | buffer[i]=Asc(".")
|
|---|
| 668 | i++
|
|---|
| 669 | Else
|
|---|
| 670 | buffer[i]=&H30
|
|---|
| 671 | i++
|
|---|
| 672 | buffer[i]=Asc(".")
|
|---|
| 673 | i++
|
|---|
| 674 |
|
|---|
| 675 | i2=dec
|
|---|
| 676 | While i2<0
|
|---|
| 677 | buffer[i]=&H30
|
|---|
| 678 | i++
|
|---|
| 679 | i2++
|
|---|
| 680 | Wend
|
|---|
| 681 | End If
|
|---|
| 682 |
|
|---|
| 683 | '小数部
|
|---|
| 684 | While i3<15
|
|---|
| 685 | buffer[i]=temp[i3]
|
|---|
| 686 | i++
|
|---|
| 687 | i3++
|
|---|
| 688 | Wend
|
|---|
| 689 |
|
|---|
| 690 | While buffer[i-1]=&H30
|
|---|
| 691 | i--
|
|---|
| 692 | Wend
|
|---|
| 693 | If buffer[i-1]=Asc(".") Then i--
|
|---|
| 694 |
|
|---|
| 695 | buffer[i]=0
|
|---|
| 696 | Return MakeStr(buffer)
|
|---|
| 697 | End Function
|
|---|
| 698 |
|
|---|
| 699 | Function Str$(value As Int64) As String
|
|---|
| 700 | Dim temp[255] As Char
|
|---|
| 701 | _sntprintf(temp, Len (temp) \ SizeOf (Char), "%I64d", value)
|
|---|
| 702 | Str$ = New String( temp )
|
|---|
| 703 | End Function
|
|---|
| 704 |
|
|---|
| 705 | Function String$(num As Long, buf As String) As String
|
|---|
| 706 | Dim dwStrPtr As DWord
|
|---|
| 707 | Dim length As Long
|
|---|
| 708 |
|
|---|
| 709 | length=Len(buf)
|
|---|
| 710 |
|
|---|
| 711 | 'バッファ領域を確保
|
|---|
| 712 | String$=ZeroString(length*num)
|
|---|
| 713 |
|
|---|
| 714 | '文字列をコピー
|
|---|
| 715 | Dim i As Long
|
|---|
| 716 | For i=0 To num-1
|
|---|
| 717 | memcpy(VarPtr(String$[i*length]), StrPtr(buf), SizeOf (StrChar) * length)
|
|---|
| 718 | Next
|
|---|
| 719 | End Function
|
|---|
| 720 |
|
|---|
| 721 | Function Time$() As String
|
|---|
| 722 | Dim st As SYSTEMTIME
|
|---|
| 723 |
|
|---|
| 724 | GetLocalTime(st)
|
|---|
| 725 |
|
|---|
| 726 | 'hour
|
|---|
| 727 | If st.wHour<10 Then
|
|---|
| 728 | Time$="0"
|
|---|
| 729 | End If
|
|---|
| 730 | Time$=Time$+Str$(st.wHour)
|
|---|
| 731 |
|
|---|
| 732 | 'minute
|
|---|
| 733 | If st.wMinute<10 Then
|
|---|
| 734 | Time$=Time$+":0"
|
|---|
| 735 | Else
|
|---|
| 736 | Time$=Time$+":"
|
|---|
| 737 | End If
|
|---|
| 738 | Time$=Time$+Str$(st.wMinute)
|
|---|
| 739 |
|
|---|
| 740 | 'second
|
|---|
| 741 | If st.wSecond<10 Then
|
|---|
| 742 | Time$=Time$+":0"
|
|---|
| 743 | Else
|
|---|
| 744 | Time$=Time$+":"
|
|---|
| 745 | End If
|
|---|
| 746 | Time$=Time$+Str$(st.wSecond)
|
|---|
| 747 | End Function
|
|---|
| 748 |
|
|---|
| 749 | Function Val(buf As *StrChar) As Double
|
|---|
| 750 | Dim i As Long, i2 As Long, i3 As Long, i4 As Long
|
|---|
| 751 | Dim temporary As String
|
|---|
| 752 | Dim TempPtr As *StrChar
|
|---|
| 753 | Dim dbl As Double
|
|---|
| 754 | Dim i64data As Int64
|
|---|
| 755 |
|
|---|
| 756 | Val=0
|
|---|
| 757 |
|
|---|
| 758 | While buf[0]=Asc(" ") or buf[0]=Asc(Ex"\t")
|
|---|
| 759 | buf++
|
|---|
| 760 | Wend
|
|---|
| 761 |
|
|---|
| 762 | If buf[0]=Asc("&") Then
|
|---|
| 763 | temporary = New String( buf )
|
|---|
| 764 | temporary.ToUpper()
|
|---|
| 765 | TempPtr = StrPtr(temporary)
|
|---|
| 766 | If TempPtr(1)=Asc("O") Then
|
|---|
| 767 | '8進数
|
|---|
| 768 | i=2
|
|---|
| 769 | While 1
|
|---|
| 770 | '数字以外の文字の場合は抜け出す
|
|---|
| 771 | i3=TempPtr[i]-&H30
|
|---|
| 772 | If Not (0<=i3 And i3<=7) Then Exit While
|
|---|
| 773 |
|
|---|
| 774 | TempPtr[i]=i3 As StrChar
|
|---|
| 775 | i++
|
|---|
| 776 | Wend
|
|---|
| 777 | i--
|
|---|
| 778 |
|
|---|
| 779 | i64data=1
|
|---|
| 780 | While i>=2
|
|---|
| 781 | Val += i64data * TempPtr[i]
|
|---|
| 782 |
|
|---|
| 783 | i64data *= &O10
|
|---|
| 784 | i--
|
|---|
| 785 | Wend
|
|---|
| 786 | ElseIf TempPtr(1)=Asc("H") Then
|
|---|
| 787 | '16進数
|
|---|
| 788 | i=2
|
|---|
| 789 | While 1
|
|---|
| 790 | '数字以外の文字の場合は抜け出す
|
|---|
| 791 | i3=TempPtr[i]-&H30
|
|---|
| 792 | If Not(0<=i3 and i3<=9) Then
|
|---|
| 793 | i3=TempPtr[i]-&H41+10
|
|---|
| 794 | If Not(&HA<=i3 and i3<=&HF) Then Exit While
|
|---|
| 795 | End If
|
|---|
| 796 |
|
|---|
| 797 | TempPtr[i]=i3 As StrChar
|
|---|
| 798 | i++
|
|---|
| 799 | Wend
|
|---|
| 800 | i--
|
|---|
| 801 |
|
|---|
| 802 | i64data=1
|
|---|
| 803 | While i>=2
|
|---|
| 804 | Val += (i64data*TempPtr[i]) As Double
|
|---|
| 805 |
|
|---|
| 806 | i64data *= &H10
|
|---|
| 807 | i--
|
|---|
| 808 | Wend
|
|---|
| 809 | End If
|
|---|
| 810 | Else
|
|---|
| 811 | '10進数
|
|---|
| 812 | If buf[0]=&H2D Then
|
|---|
| 813 | 'マイナス値
|
|---|
| 814 | i4=1
|
|---|
| 815 | buf++
|
|---|
| 816 | Else
|
|---|
| 817 | 'プラス値
|
|---|
| 818 | i4=0
|
|---|
| 819 | If buf[0]=&H2B Then
|
|---|
| 820 | buf++
|
|---|
| 821 | End If
|
|---|
| 822 | End If
|
|---|
| 823 |
|
|---|
| 824 | i=0
|
|---|
| 825 |
|
|---|
| 826 | While 1
|
|---|
| 827 | '数字以外の文字の場合は抜け出す
|
|---|
| 828 | i3=buf[i]-&H30
|
|---|
| 829 | If Not (0<=i3 And i3<=9) Then Exit While
|
|---|
| 830 |
|
|---|
| 831 | i++
|
|---|
| 832 | Wend
|
|---|
| 833 |
|
|---|
| 834 | '整数部
|
|---|
| 835 | dbl=1
|
|---|
| 836 | i3=i-1
|
|---|
| 837 | While i3>=0
|
|---|
| 838 | Val += dbl*(buf[i3]-&H30)
|
|---|
| 839 |
|
|---|
| 840 | dbl *= 10
|
|---|
| 841 | i3--
|
|---|
| 842 | Wend
|
|---|
| 843 |
|
|---|
| 844 | If buf[i]=Asc(".") Then
|
|---|
| 845 | '小数部
|
|---|
| 846 | i++
|
|---|
| 847 | dbl=10
|
|---|
| 848 | While 1
|
|---|
| 849 | '数字以外の文字の場合は抜け出す
|
|---|
| 850 | i3=buf[i]-&H30
|
|---|
| 851 | If Not (0<=i3 And i3<=9) Then Exit While
|
|---|
| 852 |
|
|---|
| 853 | Val += (buf[i] - &H30) / dbl
|
|---|
| 854 | dbl *= 10
|
|---|
| 855 | i++
|
|---|
| 856 | Wend
|
|---|
| 857 | End If
|
|---|
| 858 |
|
|---|
| 859 | If i4 Then Val=-Val
|
|---|
| 860 | End If
|
|---|
| 861 | End Function
|
|---|
| 862 |
|
|---|
| 863 |
|
|---|
| 864 | '--------------
|
|---|
| 865 | ' ファイル関数
|
|---|
| 866 | '--------------
|
|---|
| 867 |
|
|---|
| 868 | Function Eof(FileNum As Long) As Long
|
|---|
| 869 | Dim dwCurrent As DWord, dwEnd As DWord
|
|---|
| 870 |
|
|---|
| 871 | FileNum--
|
|---|
| 872 |
|
|---|
| 873 | dwCurrent=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_CURRENT)
|
|---|
| 874 | dwEnd=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_END)
|
|---|
| 875 | SetFilePointer(_System_hFile(FileNum),dwCurrent,NULL,FILE_BEGIN)
|
|---|
| 876 |
|
|---|
| 877 | If dwCurrent>=dwEnd Then
|
|---|
| 878 | Eof=-1
|
|---|
| 879 | Else
|
|---|
| 880 | Eof=0
|
|---|
| 881 | End If
|
|---|
| 882 | End Function
|
|---|
| 883 |
|
|---|
| 884 | Function Lof(FileNum As Long) As Long
|
|---|
| 885 | Lof = GetFileSize(_System_hFile(FileNum-1), 0)
|
|---|
| 886 | End Function
|
|---|
| 887 |
|
|---|
| 888 | Function Loc(FileNum As Long) As Long
|
|---|
| 889 | Dim NowPos As Long, BeginPos As Long
|
|---|
| 890 |
|
|---|
| 891 | FileNum--
|
|---|
| 892 |
|
|---|
| 893 | NowPos=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_CURRENT)
|
|---|
| 894 | BeginPos=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_BEGIN)
|
|---|
| 895 | SetFilePointer(_System_hFile(FileNum),NowPos-BeginPos,NULL,FILE_BEGIN)
|
|---|
| 896 |
|
|---|
| 897 | Loc=NowPos-BeginPos
|
|---|
| 898 | End Function
|
|---|
| 899 |
|
|---|
| 900 |
|
|---|
| 901 | '------------------
|
|---|
| 902 | ' メモリ関連の関数
|
|---|
| 903 | '------------------
|
|---|
| 904 |
|
|---|
| 905 | Function malloc(stSize As SIZE_T) As VoidPtr
|
|---|
| 906 | Return _System_pGC->__malloc(stSize,_System_GC_FLAG_NEEDFREE or _System_GC_FLAG_ATOMIC)
|
|---|
| 907 | End Function
|
|---|
| 908 |
|
|---|
| 909 | Function calloc(stSize As SIZE_T) As VoidPtr
|
|---|
| 910 | Return _System_pGC->__malloc(stSize,_System_GC_FLAG_NEEDFREE or _System_GC_FLAG_ATOMIC or _System_GC_FLAG_INITZERO)
|
|---|
| 911 | End Function
|
|---|
| 912 |
|
|---|
| 913 | Function realloc(lpMem As VoidPtr, stSize As SIZE_T) As VoidPtr
|
|---|
| 914 | If lpMem = 0 Then
|
|---|
| 915 | Return malloc(stSize)
|
|---|
| 916 | Else
|
|---|
| 917 | Return _System_pGC->__realloc(lpMem,stSize)
|
|---|
| 918 | End If
|
|---|
| 919 | End Function
|
|---|
| 920 |
|
|---|
| 921 | Sub free(lpMem As VoidPtr)
|
|---|
| 922 | _System_pGC->__free(lpMem)
|
|---|
| 923 | End Sub
|
|---|
| 924 |
|
|---|
| 925 |
|
|---|
| 926 | Function _System_malloc(stSize As SIZE_T) As VoidPtr
|
|---|
| 927 | Return HeapAlloc(_System_hProcessHeap,0,stSize)
|
|---|
| 928 | End Function
|
|---|
| 929 |
|
|---|
| 930 | Function _System_calloc(stSize As SIZE_T) As VoidPtr
|
|---|
| 931 | Return HeapAlloc(_System_hProcessHeap,HEAP_ZERO_MEMORY,stSize)
|
|---|
| 932 | End Function
|
|---|
| 933 |
|
|---|
| 934 | Function _System_realloc(lpMem As VoidPtr, stSize As SIZE_T) As VoidPtr
|
|---|
| 935 | If lpMem = 0 Then
|
|---|
| 936 | Return HeapAlloc(_System_hProcessHeap, 0, stSize)
|
|---|
| 937 | Else
|
|---|
| 938 | Return HeapReAlloc(_System_hProcessHeap, 0, lpMem, stSize)
|
|---|
| 939 | End If
|
|---|
| 940 | End Function
|
|---|
| 941 |
|
|---|
| 942 | Sub _System_free(lpMem As VoidPtr)
|
|---|
| 943 | HeapFree(_System_hProcessHeap,0,lpMem)
|
|---|
| 944 | End Sub
|
|---|
| 945 |
|
|---|
| 946 |
|
|---|
| 947 | '--------
|
|---|
| 948 | ' その他
|
|---|
| 949 | '--------
|
|---|
| 950 |
|
|---|
| 951 | Sub _splitpath(path As PCSTR, drive As PSTR, dir As PSTR, fname As PSTR, ext As PSTR)
|
|---|
| 952 | Dim i As Long, i2 As Long, i3 As Long, length As Long
|
|---|
| 953 | Dim buffer[MAX_PATH] As SByte
|
|---|
| 954 |
|
|---|
| 955 | '":\"をチェック
|
|---|
| 956 | If not(path[1]=&H3A and path[2]=&H5C) Then Exit Sub
|
|---|
| 957 |
|
|---|
| 958 | 'ドライブ名をコピー
|
|---|
| 959 | If drive Then
|
|---|
| 960 | drive[0]=path[0]
|
|---|
| 961 | drive[1]=path[1]
|
|---|
| 962 | drive[2]=0
|
|---|
| 963 | End If
|
|---|
| 964 |
|
|---|
| 965 | 'ディレクトリ名をコピー
|
|---|
| 966 | i=2
|
|---|
| 967 | i2=0
|
|---|
| 968 | Do
|
|---|
| 969 | If IsDBCSLeadByte(path[i]) <> FALSE and path[i + 1] <> 0 Then
|
|---|
| 970 | If dir Then
|
|---|
| 971 | dir[i2]=path[i]
|
|---|
| 972 | dir[i2+1]=path[i+1]
|
|---|
| 973 | End If
|
|---|
| 974 |
|
|---|
| 975 | i += 2
|
|---|
| 976 | i2 += 2
|
|---|
| 977 | Continue
|
|---|
| 978 | End If
|
|---|
| 979 |
|
|---|
| 980 | If path[i]=0 Then Exit Do
|
|---|
| 981 |
|
|---|
| 982 | If path[i]=&H5C Then '"\"記号であるかどうか
|
|---|
| 983 | i3=i2+1
|
|---|
| 984 | End If
|
|---|
| 985 |
|
|---|
| 986 | If dir Then dir[i2]=path[i]
|
|---|
| 987 |
|
|---|
| 988 | i++
|
|---|
| 989 | i2++
|
|---|
| 990 | Loop
|
|---|
| 991 | If dir Then dir[i3]=0
|
|---|
| 992 | i3 += i-i2
|
|---|
| 993 |
|
|---|
| 994 | 'ファイル名をコピー
|
|---|
| 995 | i=i3
|
|---|
| 996 | i2=0
|
|---|
| 997 | i3=-1
|
|---|
| 998 | Do
|
|---|
| 999 | '#ifdef UNICODE
|
|---|
| 1000 | ' If _System_IsSurrogatePair(path[i], path[i + 1]) Then
|
|---|
| 1001 | '#else
|
|---|
| 1002 | If IsDBCSLeadByte(path[i]) <> FALSE and path[i + 1] <> 0 Then
|
|---|
| 1003 | '#endif
|
|---|
| 1004 | If fname Then
|
|---|
| 1005 | fname[i2]=path[i]
|
|---|
| 1006 | fname[i2+1]=path[i+1]
|
|---|
| 1007 | End If
|
|---|
| 1008 |
|
|---|
| 1009 | i += 2
|
|---|
| 1010 | i2 += 2
|
|---|
| 1011 | Continue
|
|---|
| 1012 | End If
|
|---|
| 1013 |
|
|---|
| 1014 | If path[i]=0 Then Exit Do
|
|---|
| 1015 |
|
|---|
| 1016 | If path[i]=&H2E Then '.'記号であるかどうか
|
|---|
| 1017 | i3=i2
|
|---|
| 1018 | End If
|
|---|
| 1019 |
|
|---|
| 1020 | If fname Then fname[i2]=path[i]
|
|---|
| 1021 |
|
|---|
| 1022 | i++
|
|---|
| 1023 | i2++
|
|---|
| 1024 | Loop
|
|---|
| 1025 | If i3=-1 Then i3=i2
|
|---|
| 1026 | If fname Then fname[i3]=0
|
|---|
| 1027 | i3 += i-i2
|
|---|
| 1028 |
|
|---|
| 1029 | '拡張子名をコピー
|
|---|
| 1030 | If ext Then
|
|---|
| 1031 | If i3 Then
|
|---|
| 1032 | lstrcpy(ext,path+i3)
|
|---|
| 1033 | End If
|
|---|
| 1034 | else ext[0]=0
|
|---|
| 1035 | End If
|
|---|
| 1036 | End Sub
|
|---|
| 1037 |
|
|---|
| 1038 | Function GetBasicColor(ColorCode As Long) As Long
|
|---|
| 1039 | Select Case ColorCode
|
|---|
| 1040 | Case 0
|
|---|
| 1041 | GetBasicColor=RGB(0,0,0)
|
|---|
| 1042 | Case 1
|
|---|
| 1043 | GetBasicColor=RGB(0,0,255)
|
|---|
| 1044 | Case 2
|
|---|
| 1045 | GetBasicColor=RGB(255,0,0)
|
|---|
| 1046 | Case 3
|
|---|
| 1047 | GetBasicColor=RGB(255,0,255)
|
|---|
| 1048 | Case 4
|
|---|
| 1049 | GetBasicColor=RGB(0,255,0)
|
|---|
| 1050 | Case 5
|
|---|
| 1051 | GetBasicColor=RGB(0,255,255)
|
|---|
| 1052 | Case 6
|
|---|
| 1053 | GetBasicColor=RGB(255,255,0)
|
|---|
| 1054 | Case 7
|
|---|
| 1055 | GetBasicColor=RGB(255,255,255)
|
|---|
| 1056 | End Select
|
|---|
| 1057 | End Function
|
|---|
| 1058 |
|
|---|
| 1059 | Function _System_BSwap(x As Word) As Word
|
|---|
| 1060 | Dim src = VarPtr(x) As *Byte
|
|---|
| 1061 | Dim dst = VarPtr(_System_BSwap) As *SByte
|
|---|
| 1062 | dst[0] = src[1]
|
|---|
| 1063 | dst[1] = src[0]
|
|---|
| 1064 | End Function
|
|---|
| 1065 |
|
|---|
| 1066 | Function _System_BSwap(x As DWord) As DWord
|
|---|
| 1067 | Dim src = VarPtr(x) As *Byte
|
|---|
| 1068 | Dim dst = VarPtr(_System_BSwap) As *SByte
|
|---|
| 1069 | dst[0] = src[3]
|
|---|
| 1070 | dst[1] = src[2]
|
|---|
| 1071 | dst[2] = src[1]
|
|---|
| 1072 | dst[3] = src[0]
|
|---|
| 1073 | End Function
|
|---|
| 1074 |
|
|---|
| 1075 | Function _System_BSwap(x As QWord) As QWord
|
|---|
| 1076 | Dim src = VarPtr(x) As *Byte
|
|---|
| 1077 | Dim dst = VarPtr(_System_BSwap) As *SByte
|
|---|
| 1078 | dst[0] = src[7]
|
|---|
| 1079 | dst[1] = src[6]
|
|---|
| 1080 | dst[2] = src[5]
|
|---|
| 1081 | dst[3] = src[4]
|
|---|
| 1082 | dst[4] = src[3]
|
|---|
| 1083 | dst[5] = src[2]
|
|---|
| 1084 | dst[6] = src[1]
|
|---|
| 1085 | dst[7] = src[0]
|
|---|
| 1086 | End Function
|
|---|
| 1087 |
|
|---|
| 1088 | Function _System_HashFromPtr(p As VoidPtr) As Long
|
|---|
| 1089 | #ifdef _WIN64
|
|---|
| 1090 | Dim qw = p As QWord
|
|---|
| 1091 | Return (HIDWORD(qw) Xor LODWORD(qw)) As Long
|
|---|
| 1092 | #else
|
|---|
| 1093 | Return p As Long
|
|---|
| 1094 | #endif
|
|---|
| 1095 | End Function
|
|---|
| 1096 |
|
|---|
| 1097 | '--------
|
|---|
| 1098 | ' 文字列関数その2
|
|---|
| 1099 | '--------
|
|---|
| 1100 | Function _System_IsSurrogatePair(wcHigh As WCHAR, wcLow As WCHAR) As Boolean
|
|---|
| 1101 | If &hD800 <= wcHigh And wcHigh < &hDC00 Then
|
|---|
| 1102 | If &hDC00 <= wcLow And wcLow < &hE000 Then
|
|---|
| 1103 | Return True
|
|---|
| 1104 | End If
|
|---|
| 1105 | End If
|
|---|
| 1106 | Return False
|
|---|
| 1107 | End Function
|
|---|
| 1108 |
|
|---|
| 1109 | Function _System_IsDoubleUnitChar(lead As WCHAR, trail As WCHAR) As Boolean
|
|---|
| 1110 | Return _System_IsSurrogatePair(lead, trail)
|
|---|
| 1111 | End Function
|
|---|
| 1112 |
|
|---|
| 1113 | Function _System_IsDoubleUnitChar(lead As SByte, trail As SByte) As Boolean
|
|---|
| 1114 | Return IsDBCSLeadByte(lead) <> FALSE
|
|---|
| 1115 | End Function
|
|---|
| 1116 |
|
|---|
| 1117 | Sub _System_FillChar(p As PWSTR, n As SIZE_T, c As WCHAR)
|
|---|
| 1118 | Dim i As SIZE_T
|
|---|
| 1119 | For i = 0 To ELM(n)
|
|---|
| 1120 | p[i] = c
|
|---|
| 1121 | Next
|
|---|
| 1122 | End Sub
|
|---|
| 1123 |
|
|---|
| 1124 | Sub _System_FillChar(p As PSTR, n As SIZE_T, c As SByte)
|
|---|
| 1125 | Dim i As SIZE_T
|
|---|
| 1126 | For i = 0 To ELM(n)
|
|---|
| 1127 | p[i] = c
|
|---|
| 1128 | Next
|
|---|
| 1129 | End Sub
|
|---|
| 1130 |
|
|---|
| 1131 | Function _System_ASCII_IsUpper(c As WCHAR) As Boolean
|
|---|
| 1132 | Return c As DWord - &h41 < 26 ' &h41 = Asc("A")
|
|---|
| 1133 | End Function
|
|---|
| 1134 |
|
|---|
| 1135 | Function _System_ASCII_IsUpper(c As SByte) As Boolean
|
|---|
| 1136 | Return _System_ASCII_IsUpper(c As Byte As WCHAR)
|
|---|
| 1137 | End Function
|
|---|
| 1138 |
|
|---|
| 1139 | Function _System_ASCII_IsLower(c As WCHAR) As Boolean
|
|---|
| 1140 | Return c As DWord - &h61 < 26 ' &h61 = Asc("a")
|
|---|
| 1141 | End Function
|
|---|
| 1142 |
|
|---|
| 1143 | Function _System_ASCII_IsLower(c As SByte) As Boolean
|
|---|
| 1144 | Return _System_ASCII_IsLower(c As Byte As WCHAR)
|
|---|
| 1145 | End Function
|
|---|
| 1146 |
|
|---|
| 1147 | Function _System_ASCII_ToLower(c As WCHAR) As WCHAR
|
|---|
| 1148 | If _System_ASCII_IsUpper(c) Then
|
|---|
| 1149 | Return c Or &h20
|
|---|
| 1150 | Else
|
|---|
| 1151 | Return c
|
|---|
| 1152 | End If
|
|---|
| 1153 | End Function
|
|---|
| 1154 |
|
|---|
| 1155 | Function _System_ASCII_ToLower(c As SByte) As SByte
|
|---|
| 1156 | Return _System_ASCII_ToLower(c As Byte As WCHAR) As Byte As SByte
|
|---|
| 1157 | End Function
|
|---|
| 1158 |
|
|---|
| 1159 | Function _System_ASCII_ToUpper(c As WCHAR) As WCHAR
|
|---|
| 1160 | If _System_ASCII_IsLower(c) Then
|
|---|
| 1161 | Return c And (Not &h20)
|
|---|
| 1162 | Else
|
|---|
| 1163 | Return c
|
|---|
| 1164 | End If
|
|---|
| 1165 | End Function
|
|---|
| 1166 |
|
|---|
| 1167 | Function _System_ASCII_ToUpper(c As SByte) As SByte
|
|---|
| 1168 | Return _System_ASCII_ToUpper(c As Byte As WCHAR) As Byte As SByte
|
|---|
| 1169 | End Function
|
|---|
| 1170 |
|
|---|
| 1171 |
|
|---|
| 1172 | Function _System_StrCmp(s1 As PCSTR, s2 As PCSTR) As Long
|
|---|
| 1173 | Dim i = 0 As SIZE_T
|
|---|
| 1174 | While s1[i] = s2[i]
|
|---|
| 1175 | If s1[i] = 0 Then
|
|---|
| 1176 | Exit While
|
|---|
| 1177 | End If
|
|---|
| 1178 | i++
|
|---|
| 1179 | Wend
|
|---|
| 1180 | _System_StrCmp = s1[i] - s2[i]
|
|---|
| 1181 | End Function
|
|---|
| 1182 |
|
|---|
| 1183 | Function _System_StrCmp(s1 As PCWSTR, s2 As PCWSTR) As Long
|
|---|
| 1184 | Dim i = 0 As SIZE_T
|
|---|
| 1185 | While s1[i] = s2[i]
|
|---|
| 1186 | If s1[i] = 0 Then
|
|---|
| 1187 | Exit While
|
|---|
| 1188 | End If
|
|---|
| 1189 | i++
|
|---|
| 1190 | Wend
|
|---|
| 1191 | _System_StrCmp = s1[i] - s2[i]
|
|---|
| 1192 | End Function
|
|---|
| 1193 |
|
|---|
| 1194 | Function _System_GetHashFromWordArray(p As *Word, n As SIZE_T) As Long
|
|---|
| 1195 | Dim hash = 0 As DWord
|
|---|
| 1196 | Dim i As Long
|
|---|
| 1197 | For i = 0 To ELM(n)
|
|---|
| 1198 | hash = ((hash << 16) + p[i]) Mod &h7fffffff
|
|---|
| 1199 | Next
|
|---|
| 1200 | _System_GetHashFromWordArray = hash As Long
|
|---|
| 1201 | End Function
|
|---|
| 1202 |
|
|---|
| 1203 | #endif '_INC_FUNCTION
|
|---|
