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 | Const _System_Log_N = 7 As Long |
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12 | |
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13 | |
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14 | #require <Classes/System/Math.ab> |
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15 | #require <Classes/System/DateTime.ab> |
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16 | #require <Classes/System/Text/StringBuilder.ab> |
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17 | #require <Classes/ActiveBasic/Math/Math.ab> |
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18 | #require <Classes/ActiveBasic/Strings/Strings.ab> |
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19 | |
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20 | |
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21 | '------------- サポート関数の定義 ------------- |
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22 | |
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23 | Function ldexp(x As Double, n As Long) As Double |
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24 | If x = 0 Then |
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25 | ldexp = 0 |
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26 | Exit Function |
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27 | End If |
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28 | Dim pSrc = VarPtr(x) As *QWord |
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29 | Dim pDest = VarPtr(ldexp) As *QWord |
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30 | n += (pSrc[0] >> 52) As DWord And &h7FF |
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31 | pDest[0] = n << 52 Or (pSrc[0] And &h800FFFFFFFFFFFFF) |
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32 | End Function |
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33 | |
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34 | Function frexp(x As Double, ByRef n As Long) As Double |
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35 | If x = 0 Then |
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36 | n = 0 |
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37 | frexp = 0 |
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38 | Exit Function |
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39 | End If |
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40 | |
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41 | Dim pSrc = VarPtr(x) As *QWord |
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42 | Dim pDest = VarPtr(frexp) As *QWord |
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43 | n = ((pSrc[0] >> 52) As DWord And &h7FF) - 1022 |
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44 | pDest[0] = (pSrc[0] And &h800FFFFFFFFFFFFF) Or &h3FE0000000000000 |
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45 | End Function |
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46 | |
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47 | Function frexp(x As Single, ByRef n As Long) As Single |
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48 | If x = 0 Then |
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49 | n = 0 |
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50 | frexp = 0 |
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51 | Exit Function |
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52 | End If |
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53 | |
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54 | Dim pSrc As *DWord, pDest As *DWord |
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55 | pSrc = VarPtr(x) As *DWord |
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56 | pDest = VarPtr(frexp) As *DWord |
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57 | n = ((pSrc[0] >> 23) And &hFF) - 126 |
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58 | pDest[0] = (pSrc[0] And &h807FFFFF) Or &h7E000000 |
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59 | End Function |
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60 | |
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61 | Function ipow(x As Double, n As Long) As Double |
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62 | Dim abs_n As Long |
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63 | Dim r = 1 As Double |
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64 | |
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65 | abs_n=Abs(n) As Long |
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66 | While abs_n<>0 |
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67 | If abs_n and 1 Then r *= x |
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68 | x = x * x |
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69 | abs_n >>= 1 ' abs_n \= 2 |
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70 | Wend |
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71 | |
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72 | If n>=0 Then |
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73 | ipow=r |
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74 | Else |
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75 | ipow=1/r |
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76 | End If |
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77 | End Function |
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78 | |
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79 | Function pow(x As Double, y As Double) As Double |
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80 | If -LONG_MAX<=y and y<=LONG_MAX and y=CDbl(Int(y)) Then |
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81 | pow=ipow(x,y As Long) |
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82 | Exit Function |
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83 | End If |
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84 | |
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85 | If x>0 Then |
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86 | pow=Exp(y*Log(x)) |
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87 | Exit Function |
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88 | End If |
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89 | |
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90 | If x<>0 or y<=0 Then |
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91 | 'error |
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92 | End If |
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93 | |
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94 | pow=0 |
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95 | End Function |
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96 | |
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97 | Const RAND_MAX = &H7FFFFFFF |
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98 | Dim _System_RndNext = 1 As DWord |
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99 | |
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100 | Function rand() As Long |
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101 | _System_RndNext = _System_RndNext * 1103515245 + 12345 |
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102 | rand = (_System_RndNext >> 1) As Long |
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103 | End Function |
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104 | |
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105 | Sub srand(dwSeek As DWord) |
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106 | _System_RndNext = dwSeek |
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107 | End Sub |
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108 | |
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109 | |
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110 | '------------- ここからBasic標準関数の定義 ------------- |
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111 | |
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112 | '------------------ |
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113 | ' データ型変換関数 |
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114 | '------------------ |
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115 | |
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116 | Function CDbl(number As Double) As Double |
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117 | CDbl=number |
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118 | End Function |
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119 | |
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120 | Function _CUDbl(number As QWord) As Double |
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121 | _CUDbl=number As Double |
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122 | End Function |
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123 | |
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124 | Function CDWord(num As Double) As DWord |
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125 | CDWord=num As DWord |
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126 | End Function |
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127 | |
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128 | Function CInt(number As Double) As Long |
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129 | CInt=number As Long |
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130 | End Function |
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131 | |
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132 | Function CSng(number As Double) As Single |
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133 | CSng=number As Single |
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134 | End Function |
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135 | |
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136 | #ifdef _WIN64 |
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137 | Function Fix(number As Double) As Long |
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138 | Fix=number As Long |
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139 | End Function |
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140 | #else |
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141 | 'Fix関数はコンパイラに組み込まれている |
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142 | 'Function Fix(number As Double) As Long |
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143 | #endif |
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144 | |
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145 | Function Int(number As Double) As Long |
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146 | Int = Fix(number) |
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147 | If number < 0 Then |
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148 | If number < Fix(number) Then Int-- |
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149 | End If |
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150 | End Function |
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151 | |
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152 | |
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153 | '------------------------------------- |
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154 | ' ポインタ関数（コンパイラに組み込み） |
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155 | '------------------------------------- |
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156 | |
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157 | 'Function GetDouble(p As DWord) As Double |
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158 | 'Function GetSingle(p As DWord) As Single |
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159 | 'Function GetDWord(p As DWord) As DWord |
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160 | 'Function GetWord(p As DWord) As Word |
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161 | 'Function GetByte(p As DWord) As Byte |
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162 | 'Sub SetDouble(p As DWord, dblData As Double) |
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163 | 'Sub SetSingle(p As DWord, fltData As Single) |
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164 | 'Sub SetDWord(p As DWord, dwData As DWord) |
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165 | 'Sub SetWord(p As DWord, wData As Word) |
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166 | 'Sub SetByte(p As DWord, byteData As Byte) |
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167 | |
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168 | |
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169 | '---------- |
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170 | ' 算術関数 |
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171 | '---------- |
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172 | |
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173 | Function Abs(number As Double) As Double |
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174 | 'Abs = System.Math.Abs(number) |
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175 | If number < 0 then |
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176 | return -number |
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177 | Else |
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178 | return number |
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179 | End If |
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180 | End Function |
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181 | |
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182 | Function Exp(x As Double) As Double |
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183 | Exp = System.Math.Exp(x) |
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184 | End Function |
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185 | |
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186 | Function Log(x As Double) As Double |
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187 | Log = System.Math.Log(x) |
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188 | End Function |
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189 | |
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190 | Function Sgn(number As Double) As Long |
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191 | Sgn = System.Math.Sign(number) |
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192 | End Function |
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193 | |
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194 | Function Sqr(number As Double) As Double |
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195 | Sqr = System.Math.Sqrt(number) |
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196 | End Function |
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197 | |
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198 | Function Atn(number As Double) As Double |
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199 | Atn = System.Math.Atan(number) |
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200 | End Function |
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201 | |
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202 | Function Atn2(y As Double, x As Double) As Double |
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203 | Atn2 = System.Math.Atan2(y, x) |
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204 | End Function |
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205 | |
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206 | Function Sin(number As Double) As Double |
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207 | Sin = System.Math.Sin(number) |
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208 | End Function |
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209 | |
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210 | Function Cos(number As Double) As Double |
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211 | Cos = System.Math.Cos(number) |
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212 | End Function |
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213 | |
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214 | Function Tan(number As Double) As Double |
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215 | Tan = System.Math.Tan(number) |
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216 | End Function |
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217 | |
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218 | Const RAND_UNIT = (1.0 / (LONG_MAX + 1.0)) |
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219 | Function Rnd() As Double |
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220 | Rnd = RAND_UNIT * rand() |
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221 | End Function |
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222 | |
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223 | Const HIDWORD(qw) = (((qw As QWord) >> 32) And &HFFFFFFFF) As DWord |
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224 | Const LODWORD(qw) = ((qw As QWord) And &HFFFFFFFF) As DWord |
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225 | |
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226 | Const MAKEDWORD(l, h) = (((l As DWord) And &HFFFF) Or (((h As DWord) And &HFFFF) << 16)) As DWord |
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227 | Const MAKEQWORD(l, h) = (((l As QWord) And &HFFFFFFFF) Or (((h As QWord) And &HFFFFFFFF) << 32)) As QWord |
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228 | |
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229 | '------------ |
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230 | ' 文字列関数 |
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231 | '------------ |
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232 | |
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233 | Function Asc(buf As *StrChar) As StrChar |
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234 | Asc = buf[0] |
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235 | End Function |
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236 | |
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237 | Function Chr$(code As StrChar) As String |
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238 | Chr$ = New String(code, 1) |
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239 | End Function |
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240 | |
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241 | #ifndef __STRING_IS_NOT_UNICODE |
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242 | Function AscW(s As *WCHAR) As UCSCHAR |
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243 | If s.Length = 0 Then |
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244 | AscW = 0 |
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245 | Else |
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246 | If _System_IsSurrogatePair(s[0], s[1]) Then |
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247 | AscW = ((s[0] And &h3FF) As DWord << 10) Or (s[1] And &h3FF) |
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248 | Else |
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249 | AscW = s[0] |
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250 | End If |
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251 | End If |
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252 | End Function |
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253 | |
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254 | Function ChrW(c As UCSCHAR) As String |
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255 | If c <= &hFFFF Then |
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256 | Return New String(c As StrChar, 1) |
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257 | ElseIf c < &h10FFFF Then |
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258 | Dim t[1] = [&hD800 Or (c >> 10), &hDC00 Or (c And &h3FF)] As StrChar |
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259 | Return New String(t, 2) |
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260 | Else |
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261 | 'ArgumentOutOfRangeException |
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262 | End If |
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263 | End Function |
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264 | #endif |
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265 | |
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266 | Function Date$() As String |
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267 | Dim date = System.DateTime.Now |
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268 | Dim buf = New System.Text.StringBuilder(10) |
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269 | |
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270 | 'year |
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271 | buf.Append(date.Year) |
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272 | |
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273 | 'month |
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274 | If date.Month < 10 Then |
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275 | buf.Append("/0") |
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276 | Else |
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277 | buf.Append("/") |
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278 | End If |
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279 | buf.Append(date.Month) |
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280 | |
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281 | 'day |
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282 | If date.Day < 10 Then |
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283 | buf.Append("/0") |
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284 | Else |
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285 | buf.Append("/") |
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286 | End If |
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287 | buf.Append(date.Day) |
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288 | |
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289 | Date$ = buf.ToString |
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290 | End Function |
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291 | |
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292 | 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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293 | |
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294 | Function _System_Hex(x As DWord, zeroSuppress As Boolean) As String |
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295 | Dim s[7] As StrChar |
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296 | Dim i As Long |
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297 | For i = 0 To ELM(Len (s) \ SizeOf (StrChar)) |
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298 | s[i] = _System_HexadecimalTable[x >> 28] As StrChar |
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299 | x <<= 4 |
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300 | Next |
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301 | If zeroSuppress Then |
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302 | Dim i As Long |
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303 | For i = 0 To 6 |
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304 | If s[i] <> &h30 Then 'Asc("0") |
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305 | Exit For |
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306 | End If |
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307 | Next |
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308 | Return New String(VarPtr(s[i]) As *StrChar, Len (s) \ SizeOf (StrChar) - i) |
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309 | Else |
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310 | Return New String(s As *StrChar, Len (s) \ SizeOf (StrChar)) |
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311 | End If |
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312 | End Function |
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313 | |
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314 | Function Hex$(x As DWord) As String |
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315 | Hex$ = _System_Hex(x, True) |
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316 | End Function |
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317 | |
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318 | Function Hex$(x As QWord) As String |
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319 | If HIDWORD(x) = 0 Then |
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320 | Hex$ = _System_Hex(LODWORD(x), True) |
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321 | Else |
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322 | Hex$ = _System_Hex(HIDWORD(x), True) + _System_Hex(LODWORD(x), False) |
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323 | End If |
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324 | End Function |
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325 | |
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326 | Function InStr(StartPos As Long, buf1 As String, buf2 As String) As Long |
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327 | Dim i As Long, i2 As Long, i3 As Long |
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328 | |
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329 | Dim len1 = buf1.Length |
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330 | Dim len2 = buf2.Length |
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331 | |
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332 | If len2=0 Then |
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333 | InStr=StartPos |
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334 | Exit Function |
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335 | End If |
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336 | |
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337 | StartPos-- |
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338 | If StartPos<0 Then |
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339 | 'error |
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340 | InStr=0 |
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341 | Exit Function |
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342 | End If |
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343 | |
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344 | i=StartPos:InStr=0 |
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345 | While i<=len1-len2 |
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346 | i2=i:i3=0 |
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347 | Do |
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348 | If i3=len2 Then |
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349 | InStr=i+1 |
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350 | Exit Do |
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351 | End If |
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352 | If buf1[i2]<>buf2[i3] Then Exit Do |
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353 | |
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354 | i2++ |
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355 | i3++ |
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356 | Loop |
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357 | If InStr Then Exit While |
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358 | i++ |
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359 | Wend |
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360 | End Function |
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361 | |
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362 | Function Left$(s As String, length As Long) As String |
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363 | Left$ = s.Substring(0, System.Math.Min(s.Length, length)) |
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364 | End Function |
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365 | |
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366 | Function Mid$(s As String, startPos As Long) As String |
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367 | startPos-- |
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368 | Mid$ = s.Substring(startPos) |
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369 | End Function |
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370 | |
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371 | Function Mid$(s As String, startPos As Long, readLength = 0 As Long) As String |
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372 | startPos-- |
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373 | Dim length = s.Length |
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374 | Mid$ = s.Substring(System.Math.Min(startPos, length), System.Math.Min(readLength, length - startPos)) |
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375 | End Function |
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376 | |
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377 | Const _System_MaxFigure_Oct_QW = 22 As DWord 'QWORD_MAX = &o1,777,777,777,777,777,777,777 |
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378 | Function Oct$(n As QWord) As String |
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379 | Dim s[ELM(_System_MaxFigure_Oct_QW)] As StrChar |
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380 | Dim i = ELM(_System_MaxFigure_Oct_QW) As Long |
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381 | Do |
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382 | s[i] = ((n And &o7) + &h30) As StrChar '&h30 = Asc("0") |
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383 | n >>= 3 |
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384 | If n = 0 Then |
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385 | Return New String(s + i, _System_MaxFigure_Oct_QW - i) |
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386 | End If |
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387 | i-- |
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388 | Loop |
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389 | End Function |
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390 | |
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391 | Const _System_MaxFigure_Oct_DW = 11 As DWord 'DWORD_MAX = &o37,777,777,777 |
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392 | Function Oct$(n As DWord) As String |
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393 | Dim s[ELM(_System_MaxFigure_Oct_DW)] As StrChar |
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394 | Dim i = ELM(_System_MaxFigure_Oct_DW) As Long |
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395 | Do |
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396 | s[i] = ((n And &o7) + &h30) As StrChar '&h30 = Asc("0") |
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397 | n >>= 3 |
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398 | If n = 0 Then |
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399 | Return New String(s + i, _System_MaxFigure_Oct_DW - i) |
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400 | End If |
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401 | i-- |
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402 | Loop |
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403 | End Function |
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404 | |
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405 | Function Right$(s As String, length As Long) As String |
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406 | Right$ = s.Substring(System.Math.Max(0, s.Length - length), s.Length) |
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407 | End Function |
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408 | |
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409 | Function Space$(length As Long) As String |
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410 | Return New String(&h20 As StrChar, length) |
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411 | End Function |
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412 | |
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413 | Dim _System_ecvt_buffer[16] As StrChar |
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414 | Sub _ecvt_support(count As Long) |
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415 | Dim i As Long |
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416 | If _System_ecvt_buffer[count]=9 Then |
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417 | _System_ecvt_buffer[count]=0 |
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418 | If count=0 Then |
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419 | For i=16 To 1 Step -1 |
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420 | _System_ecvt_buffer[i]=_System_ecvt_buffer[i-1] |
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421 | Next |
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422 | _System_ecvt_buffer[0]=1 |
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423 | Else |
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424 | _ecvt_support(count-1) |
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425 | End If |
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426 | Else |
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427 | _System_ecvt_buffer[count]++ |
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428 | End If |
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429 | End Sub |
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430 | Function _ecvt(value As Double, count As Long, ByRef dec As Long, ByRef sign As Long) As *StrChar |
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431 | Dim i As Long, i2 As Long |
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432 | |
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433 | _ecvt=_System_ecvt_buffer |
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434 | |
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435 | '値が0の場合 |
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436 | If value = 0 Then |
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437 | ActiveBasic.Strings.ChrFill(_System_ecvt_buffer, count As SIZE_T, &H30 As StrChar) |
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438 | _System_ecvt_buffer[count] = 0 |
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439 | dec = 0 |
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440 | sign = 0 |
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441 | Exit Function |
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442 | End If |
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443 | |
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444 | '符号の判断（同時に符号を取り除く） |
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445 | If value < 0 Then |
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446 | sign = 1 |
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447 | value = -value |
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448 | Else |
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449 | sign = 0 |
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450 | End If |
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451 | |
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452 | '正規化 |
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453 | dec = 1 |
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454 | While value < 0.999999999999999 'value<1 |
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455 | value *= 10 |
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456 | dec-- |
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457 | Wend |
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458 | While 9.99999999999999 <= value '10<=value |
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459 | value /= 10 |
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460 | dec++ |
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461 | Wend |
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462 | |
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463 | For i=0 To count-1 |
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464 | _System_ecvt_buffer[i] = Int(value) As StrChar |
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465 | |
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466 | value = (value-CDbl(Int(value))) * 10 |
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467 | Next |
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468 | _System_ecvt_buffer[i] = 0 |
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469 | |
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470 | i-- |
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471 | If value >= 5 Then |
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472 | '切り上げ処理 |
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473 | _ecvt_support(i) |
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474 | End If |
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475 | |
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476 | For i=0 To ELM(count) |
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477 | _System_ecvt_buffer[i] += &H30 |
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478 | Next |
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479 | _System_ecvt_buffer[i] = 0 |
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480 | End Function |
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481 | |
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482 | Function Str$(dbl As Double) As String |
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483 | If ActiveBasic.Math.IsNaN(dbl) Then |
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484 | Return "NaN" |
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485 | ElseIf ActiveBasic.Math.IsInf(dbl) Then |
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486 | If dbl > 0 Then |
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487 | Return "Infinity" |
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488 | Else |
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489 | Return "-Infinity" |
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490 | End If |
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491 | End If |
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492 | Dim dec As Long, sign As Long |
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493 | Dim buffer[32] As StrChar, temp As *StrChar |
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494 | Dim i As Long, i2 As Long, i3 As Long |
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495 | |
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496 | '浮動小数点を文字列に変換 |
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497 | temp = _ecvt(dbl, 15, dec, sign) |
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498 | |
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499 | i=0 |
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500 | |
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501 | '符号の取り付け |
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502 | If sign Then |
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503 | buffer[i] = Asc("-") |
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504 | i++ |
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505 | End If |
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506 | |
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507 | If dec>15 Then |
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508 | '指数表示（桁が大きい場合） |
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509 | buffer[i] = temp[0] |
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510 | i++ |
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511 | buffer[i] = Asc(".") |
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512 | i++ |
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513 | ActiveBasic.Strings.ChrCopy(VarPtr(buffer[i]), VarPtr(temp[1]), 14 As SIZE_T) |
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514 | i += 14 |
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515 | buffer[i] = Asc("e") |
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516 | i++ |
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517 | _stprintf(VarPtr(buffer[i]), "+%03d", dec - 1) 'ToDo: __STRING_UNICODE_WINDOWS_ANSI状態への対応 |
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518 | |
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519 | Return MakeStr(buffer) |
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520 | End If |
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521 | |
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522 | If dec < -3 Then |
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523 | '指数表示（桁が小さい場合） |
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524 | buffer[i] = temp[0] |
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525 | i++ |
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526 | buffer[i] = Asc(".") |
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527 | i++ |
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528 | ActiveBasic.Strings.ChrCopy(VarPtr(buffer[i]), VarPtr(temp[1]), 14 As SIZE_T) |
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529 | i+=14 |
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530 | buffer[i] = Asc("e") |
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531 | i++ |
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532 | _stprintf(VarPtr(buffer[i]), "+%03d", dec - 1) 'ToDo: __STRING_UNICODE_WINDOWS_ANSI状態への対応 |
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533 | |
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534 | Return MakeStr(buffer) |
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535 | End If |
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536 | |
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537 | '整数部 |
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538 | i2=dec |
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539 | i3=0 |
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540 | If i2>0 Then |
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541 | While i2>0 |
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542 | buffer[i]=temp[i3] |
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543 | i++ |
---|
544 | i3++ |
---|
545 | i2-- |
---|
546 | Wend |
---|
547 | buffer[i]=Asc(".") |
---|
548 | i++ |
---|
549 | Else |
---|
550 | buffer[i]=&H30 |
---|
551 | i++ |
---|
552 | buffer[i]=Asc(".") |
---|
553 | i++ |
---|
554 | |
---|
555 | i2=dec |
---|
556 | While i2<0 |
---|
557 | buffer[i]=&H30 |
---|
558 | i++ |
---|
559 | i2++ |
---|
560 | Wend |
---|
561 | End If |
---|
562 | |
---|
563 | '小数部 |
---|
564 | While i3<15 |
---|
565 | buffer[i]=temp[i3] |
---|
566 | i++ |
---|
567 | i3++ |
---|
568 | Wend |
---|
569 | |
---|
570 | While buffer[i-1]=&H30 |
---|
571 | i-- |
---|
572 | Wend |
---|
573 | If buffer[i-1]=Asc(".") Then i-- |
---|
574 | |
---|
575 | buffer[i]=0 |
---|
576 | Return MakeStr(buffer) |
---|
577 | End Function |
---|
578 | |
---|
579 | Function Str$(i As Int64) As String |
---|
580 | If i < 0 Then |
---|
581 | Return "-" & Str$(-i As QWord) |
---|
582 | Else |
---|
583 | Return Str$(i As QWord) |
---|
584 | End If |
---|
585 | End Function |
---|
586 | |
---|
587 | Function Str$(x As QWord) As String |
---|
588 | If x = 0 Then |
---|
589 | Return "0" |
---|
590 | End If |
---|
591 | |
---|
592 | Dim buf[20] As StrChar |
---|
593 | 'buf[20] = 0 |
---|
594 | Dim i = 19 As Long |
---|
595 | Do |
---|
596 | buf[i] = (x Mod 10 + &h30) As StrChar |
---|
597 | x \= 10 |
---|
598 | If x = 0 Then |
---|
599 | Exit Do |
---|
600 | End If |
---|
601 | i-- |
---|
602 | Loop |
---|
603 | Return New String(VarPtr(buf[i]), 20 - i) |
---|
604 | End Function |
---|
605 | |
---|
606 | Function Str$(x As Long) As String |
---|
607 | #ifdef _WIN64 |
---|
608 | Return Str$(x As Int64) |
---|
609 | #else |
---|
610 | If x < 0 Then |
---|
611 | Return "-" & Str$(-x As DWord) |
---|
612 | Else |
---|
613 | Return Str$(x As DWord) |
---|
614 | End If |
---|
615 | #endif |
---|
616 | End Function |
---|
617 | |
---|
618 | Function Str$(x As DWord) As String |
---|
619 | #ifdef _WIN64 |
---|
620 | Return Str$(x As QWord) |
---|
621 | #else |
---|
622 | If x = 0 Then |
---|
623 | Return "0" |
---|
624 | End If |
---|
625 | |
---|
626 | Dim buf[10] As StrChar |
---|
627 | buf[10] = 0 |
---|
628 | Dim i = 9 As Long |
---|
629 | Do |
---|
630 | buf[i] = (x As Int64 Mod 10 + &h30) As StrChar 'Int64への型変換は#117対策 |
---|
631 | x \= 10 |
---|
632 | If x = 0 Then |
---|
633 | Return New String(VarPtr(buf[i]), 10 - i) |
---|
634 | End If |
---|
635 | i-- |
---|
636 | Loop |
---|
637 | #endif |
---|
638 | End Function |
---|
639 | |
---|
640 | Function Str$(x As Word) As String |
---|
641 | Return Str$(x As ULONG_PTR) |
---|
642 | End Function |
---|
643 | |
---|
644 | Function Str$(x As Integer) As String |
---|
645 | Return Str$(x As LONG_PTR) |
---|
646 | End Function |
---|
647 | |
---|
648 | Function Str$(x As Byte) As String |
---|
649 | Return Str$(x As ULONG_PTR) |
---|
650 | End Function |
---|
651 | |
---|
652 | Function Str$(x As SByte) As String |
---|
653 | Return Str$(x As LONG_PTR) |
---|
654 | End Function |
---|
655 | |
---|
656 | Function Str$(x As Single) As String |
---|
657 | Return Str$(x As Double) |
---|
658 | End Function |
---|
659 | |
---|
660 | Function Str$(b As Boolean) As String |
---|
661 | If b Then |
---|
662 | Return "True" |
---|
663 | Else |
---|
664 | Return "False" |
---|
665 | End If |
---|
666 | End Function |
---|
667 | |
---|
668 | Function String$(n As Long, s As StrChar) As String |
---|
669 | Return New String(s, n) |
---|
670 | End Function |
---|
671 | |
---|
672 | #ifdef _AB4_COMPATIBILITY_STRING$_ |
---|
673 | Function String$(n As Long, s As String) As String |
---|
674 | If n < 0 Then |
---|
675 | 'Throw ArgumentOutOfRangeException |
---|
676 | End If |
---|
677 | |
---|
678 | Dim buf = New System.Text.StringBuilder(s.Length * n) |
---|
679 | Dim i As Long |
---|
680 | For i = 0 To n |
---|
681 | buf.Append(s) |
---|
682 | Next |
---|
683 | End Function |
---|
684 | #else |
---|
685 | Function String$(n As Long, s As String) As String |
---|
686 | If String.IsNullOrEmpty(s) Then |
---|
687 | Return New String(0 As StrChar, n) |
---|
688 | Else |
---|
689 | Return New String(s[0], n) |
---|
690 | End If |
---|
691 | End Function |
---|
692 | #endif |
---|
693 | |
---|
694 | Function Time$() As String |
---|
695 | Dim time = System.DateTime.Now |
---|
696 | |
---|
697 | Dim buf = New System.Text.StringBuilder(8) |
---|
698 | |
---|
699 | 'hour |
---|
700 | If time.Hour < 10 Then |
---|
701 | buf.Append("0") |
---|
702 | End If |
---|
703 | buf.Append(time.Hour) |
---|
704 | |
---|
705 | 'minute |
---|
706 | If time.Minute < 10 Then |
---|
707 | buf.Append(":0") |
---|
708 | Else |
---|
709 | buf.Append(":") |
---|
710 | End If |
---|
711 | buf.Append(time.Minute) |
---|
712 | |
---|
713 | 'second |
---|
714 | If time.Second < 10 Then |
---|
715 | buf.Append(":0") |
---|
716 | Else |
---|
717 | buf.Append(":") |
---|
718 | End If |
---|
719 | buf.Append(time.Second) |
---|
720 | Time$ = buf.ToString |
---|
721 | End Function |
---|
722 | |
---|
723 | Function Val(buf As *StrChar) As Double |
---|
724 | Dim i As Long, i2 As Long, i3 As Long, i4 As Long |
---|
725 | Dim temporary As String |
---|
726 | Dim TempPtr As *StrChar |
---|
727 | Dim dbl As Double |
---|
728 | Dim i64data As Int64 |
---|
729 | |
---|
730 | Val=0 |
---|
731 | |
---|
732 | While buf[0]=Asc(" ") or buf[0]=Asc(Ex"\t") |
---|
733 | buf = VarPtr(buf[1]) |
---|
734 | Wend |
---|
735 | |
---|
736 | If buf[0]=Asc("&") Then |
---|
737 | temporary = New String( buf ) |
---|
738 | temporary = temporary.ToUpper() |
---|
739 | TempPtr = StrPtr(temporary) |
---|
740 | If TempPtr(1)=Asc("O") Then |
---|
741 | '8進数 |
---|
742 | i=2 |
---|
743 | While 1 |
---|
744 | '数字以外の文字の場合は抜け出す |
---|
745 | i3=TempPtr[i]-&H30 |
---|
746 | If Not (0<=i3 And i3<=7) Then Exit While |
---|
747 | |
---|
748 | TempPtr[i]=i3 As StrChar |
---|
749 | i++ |
---|
750 | Wend |
---|
751 | i-- |
---|
752 | |
---|
753 | i64data=1 |
---|
754 | While i>=2 |
---|
755 | Val += ( i64data * TempPtr[i] ) As Double |
---|
756 | |
---|
757 | i64data *= &O10 |
---|
758 | i-- |
---|
759 | Wend |
---|
760 | ElseIf TempPtr(1)=Asc("H") Then |
---|
761 | '16進数 |
---|
762 | i=2 |
---|
763 | While 1 |
---|
764 | '数字以外の文字の場合は抜け出す |
---|
765 | i3=TempPtr[i]-&H30 |
---|
766 | If Not(0<=i3 and i3<=9) Then |
---|
767 | i3=TempPtr[i]-&H41+10 |
---|
768 | If Not(&HA<=i3 and i3<=&HF) Then Exit While |
---|
769 | End If |
---|
770 | |
---|
771 | TempPtr[i]=i3 As StrChar |
---|
772 | i++ |
---|
773 | Wend |
---|
774 | i-- |
---|
775 | |
---|
776 | i64data=1 |
---|
777 | While i>=2 |
---|
778 | Val += (i64data*TempPtr[i]) As Double |
---|
779 | |
---|
780 | i64data *= &H10 |
---|
781 | i-- |
---|
782 | Wend |
---|
783 | End If |
---|
784 | Else |
---|
785 | '10進数 |
---|
786 | sscanf(buf,"%lf",VarPtr(Val)) |
---|
787 | End If |
---|
788 | End Function |
---|
789 | |
---|
790 | |
---|
791 | '-------------- |
---|
792 | ' ファイル関数 |
---|
793 | '-------------- |
---|
794 | |
---|
795 | Function Eof(FileNum As Long) As Long |
---|
796 | Dim dwCurrent As DWord, dwEnd As DWord |
---|
797 | |
---|
798 | FileNum-- |
---|
799 | |
---|
800 | dwCurrent=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_CURRENT) |
---|
801 | dwEnd=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_END) |
---|
802 | SetFilePointer(_System_hFile(FileNum),dwCurrent,NULL,FILE_BEGIN) |
---|
803 | |
---|
804 | If dwCurrent>=dwEnd Then |
---|
805 | Eof=-1 |
---|
806 | Else |
---|
807 | Eof=0 |
---|
808 | End If |
---|
809 | End Function |
---|
810 | |
---|
811 | Function Lof(FileNum As Long) As Long |
---|
812 | Lof = GetFileSize(_System_hFile(FileNum-1), 0) |
---|
813 | End Function |
---|
814 | |
---|
815 | Function Loc(FileNum As Long) As Long |
---|
816 | FileNum-- |
---|
817 | |
---|
818 | Dim NowPos = SetFilePointer(_System_hFile(FileNum), 0, 0, FILE_CURRENT) |
---|
819 | Dim BeginPos = SetFilePointer(_System_hFile(FileNum), 0, 0, FILE_BEGIN) |
---|
820 | SetFilePointer(_System_hFile(FileNum), NowPos - BeginPos, 0, FILE_BEGIN) |
---|
821 | |
---|
822 | Loc = NowPos - BeginPos |
---|
823 | End Function |
---|
824 | |
---|
825 | |
---|
826 | '------------------ |
---|
827 | ' メモリ関連の関数 |
---|
828 | '------------------ |
---|
829 | |
---|
830 | Function malloc(stSize As SIZE_T) As VoidPtr |
---|
831 | Return _System_pGC->__malloc(stSize,_System_GC_FLAG_NEEDFREE or _System_GC_FLAG_ATOMIC) |
---|
832 | End Function |
---|
833 | |
---|
834 | Function calloc(stSize As SIZE_T) As VoidPtr |
---|
835 | Return _System_pGC->__malloc(stSize,_System_GC_FLAG_NEEDFREE or _System_GC_FLAG_ATOMIC or _System_GC_FLAG_INITZERO) |
---|
836 | End Function |
---|
837 | |
---|
838 | Function realloc(lpMem As VoidPtr, stSize As SIZE_T) As VoidPtr |
---|
839 | If lpMem = 0 Then |
---|
840 | Return malloc(stSize) |
---|
841 | Else |
---|
842 | Return _System_pGC->__realloc(lpMem,stSize) |
---|
843 | End If |
---|
844 | End Function |
---|
845 | |
---|
846 | Sub free(lpMem As VoidPtr) |
---|
847 | _System_pGC->__free(lpMem) |
---|
848 | End Sub |
---|
849 | |
---|
850 | Function _System_malloc(stSize As SIZE_T) As VoidPtr |
---|
851 | Return HeapAlloc(_System_hProcessHeap,0,stSize) |
---|
852 | End Function |
---|
853 | |
---|
854 | Function _System_calloc(stSize As SIZE_T) As VoidPtr |
---|
855 | Return HeapAlloc(_System_hProcessHeap,HEAP_ZERO_MEMORY,stSize) |
---|
856 | End Function |
---|
857 | |
---|
858 | Function _System_realloc(lpMem As VoidPtr, stSize As SIZE_T) As VoidPtr |
---|
859 | If lpMem = 0 Then |
---|
860 | Return HeapAlloc(_System_hProcessHeap, 0, stSize) |
---|
861 | Else |
---|
862 | Return HeapReAlloc(_System_hProcessHeap, 0, lpMem, stSize) |
---|
863 | End If |
---|
864 | End Function |
---|
865 | |
---|
866 | Sub _System_free(lpMem As VoidPtr) |
---|
867 | HeapFree(_System_hProcessHeap,0,lpMem) |
---|
868 | End Sub |
---|
869 | |
---|
870 | |
---|
871 | '-------- |
---|
872 | ' その他 |
---|
873 | '-------- |
---|
874 | |
---|
875 | Sub _splitpath(path As PCSTR, drive As PSTR, dir As PSTR, fname As PSTR, ext As PSTR) |
---|
876 | Dim i As Long, i2 As Long, i3 As Long, length As Long |
---|
877 | Dim buffer[MAX_PATH] As SByte |
---|
878 | |
---|
879 | '":\"をチェック |
---|
880 | If not(path[1]=&H3A and path[2]=&H5C) Then Exit Sub |
---|
881 | |
---|
882 | 'ドライブ名をコピー |
---|
883 | If drive Then |
---|
884 | drive[0]=path[0] |
---|
885 | drive[1]=path[1] |
---|
886 | drive[2]=0 |
---|
887 | End If |
---|
888 | |
---|
889 | 'ディレクトリ名をコピー |
---|
890 | i=2 |
---|
891 | i2=0 |
---|
892 | Do |
---|
893 | If IsDBCSLeadByte(path[i]) <> FALSE and path[i + 1] <> 0 Then |
---|
894 | If dir Then |
---|
895 | dir[i2]=path[i] |
---|
896 | dir[i2+1]=path[i+1] |
---|
897 | End If |
---|
898 | |
---|
899 | i += 2 |
---|
900 | i2 += 2 |
---|
901 | Continue |
---|
902 | End If |
---|
903 | |
---|
904 | If path[i]=0 Then Exit Do |
---|
905 | |
---|
906 | If path[i]=&H5C Then '"\"記号であるかどうか |
---|
907 | i3=i2+1 |
---|
908 | End If |
---|
909 | |
---|
910 | If dir Then dir[i2]=path[i] |
---|
911 | |
---|
912 | i++ |
---|
913 | i2++ |
---|
914 | Loop |
---|
915 | If dir Then dir[i3]=0 |
---|
916 | i3 += i-i2 |
---|
917 | |
---|
918 | 'ファイル名をコピー |
---|
919 | i=i3 |
---|
920 | i2=0 |
---|
921 | i3=-1 |
---|
922 | Do |
---|
923 | '#ifdef UNICODE |
---|
924 | ' If _System_IsSurrogatePair(path[i], path[i + 1]) Then |
---|
925 | '#else |
---|
926 | If IsDBCSLeadByte(path[i]) <> FALSE and path[i + 1] <> 0 Then |
---|
927 | '#endif |
---|
928 | If fname Then |
---|
929 | fname[i2]=path[i] |
---|
930 | fname[i2+1]=path[i+1] |
---|
931 | End If |
---|
932 | |
---|
933 | i += 2 |
---|
934 | i2 += 2 |
---|
935 | Continue |
---|
936 | End If |
---|
937 | |
---|
938 | If path[i]=0 Then Exit Do |
---|
939 | |
---|
940 | If path[i]=&H2E Then '.'記号であるかどうか |
---|
941 | i3=i2 |
---|
942 | End If |
---|
943 | |
---|
944 | If fname Then fname[i2]=path[i] |
---|
945 | |
---|
946 | i++ |
---|
947 | i2++ |
---|
948 | Loop |
---|
949 | If i3=-1 Then i3=i2 |
---|
950 | If fname Then fname[i3]=0 |
---|
951 | i3 += i-i2 |
---|
952 | |
---|
953 | '拡張子名をコピー |
---|
954 | If ext Then |
---|
955 | If i3 Then |
---|
956 | lstrcpy(ext,path+i3) |
---|
957 | End If |
---|
958 | else ext[0]=0 |
---|
959 | End If |
---|
960 | End Sub |
---|
961 | |
---|
962 | Function GetBasicColor(ColorCode As Long) As Long |
---|
963 | Select Case ColorCode |
---|
964 | Case 0 |
---|
965 | GetBasicColor=RGB(0,0,0) |
---|
966 | Case 1 |
---|
967 | GetBasicColor=RGB(0,0,255) |
---|
968 | Case 2 |
---|
969 | GetBasicColor=RGB(255,0,0) |
---|
970 | Case 3 |
---|
971 | GetBasicColor=RGB(255,0,255) |
---|
972 | Case 4 |
---|
973 | GetBasicColor=RGB(0,255,0) |
---|
974 | Case 5 |
---|
975 | GetBasicColor=RGB(0,255,255) |
---|
976 | Case 6 |
---|
977 | GetBasicColor=RGB(255,255,0) |
---|
978 | Case 7 |
---|
979 | GetBasicColor=RGB(255,255,255) |
---|
980 | End Select |
---|
981 | End Function |
---|
982 | |
---|
983 | Function _System_BSwap(x As Word) As Word |
---|
984 | Dim src = VarPtr(x) As *Byte |
---|
985 | Dim dst = VarPtr(_System_BSwap) As *Byte |
---|
986 | dst[0] = src[1] |
---|
987 | dst[1] = src[0] |
---|
988 | End Function |
---|
989 | |
---|
990 | Function _System_BSwap(x As DWord) As DWord |
---|
991 | Dim src = VarPtr(x) As *Byte |
---|
992 | Dim dst = VarPtr(_System_BSwap) As *Byte |
---|
993 | dst[0] = src[3] |
---|
994 | dst[1] = src[2] |
---|
995 | dst[2] = src[1] |
---|
996 | dst[3] = src[0] |
---|
997 | End Function |
---|
998 | |
---|
999 | Function _System_BSwap(x As QWord) As QWord |
---|
1000 | Dim src = VarPtr(x) As *Byte |
---|
1001 | Dim dst = VarPtr(_System_BSwap) As *Byte |
---|
1002 | dst[0] = src[7] |
---|
1003 | dst[1] = src[6] |
---|
1004 | dst[2] = src[5] |
---|
1005 | dst[3] = src[4] |
---|
1006 | dst[4] = src[3] |
---|
1007 | dst[5] = src[2] |
---|
1008 | dst[6] = src[1] |
---|
1009 | dst[7] = src[0] |
---|
1010 | End Function |
---|
1011 | |
---|
1012 | Function _System_HashFromPtr(p As VoidPtr) As Long |
---|
1013 | #ifdef _WIN64 |
---|
1014 | Dim qw = p As QWord |
---|
1015 | Return (HIDWORD(qw) Xor LODWORD(qw)) As Long |
---|
1016 | #else |
---|
1017 | Return p As Long |
---|
1018 | #endif |
---|
1019 | End Function |
---|
1020 | |
---|
1021 | '-------- |
---|
1022 | ' 文字列関数その2 |
---|
1023 | '-------- |
---|
1024 | Function _System_IsSurrogatePair(wcHigh As WCHAR, wcLow As WCHAR) As Boolean |
---|
1025 | If &hD800 <= wcHigh And wcHigh < &hDC00 Then |
---|
1026 | If &hDC00 <= wcLow And wcLow < &hE000 Then |
---|
1027 | Return True |
---|
1028 | End If |
---|
1029 | End If |
---|
1030 | Return False |
---|
1031 | End Function |
---|
1032 | |
---|
1033 | Function _System_IsDoubleUnitChar(lead As WCHAR, trail As WCHAR) As Boolean |
---|
1034 | Return _System_IsSurrogatePair(lead, trail) |
---|
1035 | End Function |
---|
1036 | |
---|
1037 | Function _System_IsDoubleUnitChar(lead As SByte, trail As SByte) As Boolean |
---|
1038 | Return IsDBCSLeadByte(lead) <> FALSE |
---|
1039 | End Function |
---|
1040 | |
---|
1041 | Function _System_ASCII_IsUpper(c As WCHAR) As Boolean |
---|
1042 | Return c As DWord - &h41 < 26 ' &h41 = Asc("A") |
---|
1043 | End Function |
---|
1044 | |
---|
1045 | Function _System_ASCII_IsUpper(c As SByte) As Boolean |
---|
1046 | Return _System_ASCII_IsUpper(c As Byte As WCHAR) |
---|
1047 | End Function |
---|
1048 | |
---|
1049 | Function _System_ASCII_IsLower(c As WCHAR) As Boolean |
---|
1050 | Return c As DWord - &h61 < 26 ' &h61 = Asc("a") |
---|
1051 | End Function |
---|
1052 | |
---|
1053 | Function _System_ASCII_IsLower(c As SByte) As Boolean |
---|
1054 | Return _System_ASCII_IsLower(c As Byte As WCHAR) |
---|
1055 | End Function |
---|
1056 | |
---|
1057 | Function _System_ASCII_ToLower(c As WCHAR) As WCHAR |
---|
1058 | If _System_ASCII_IsUpper(c) Then |
---|
1059 | Return c Or &h20 |
---|
1060 | Else |
---|
1061 | Return c |
---|
1062 | End If |
---|
1063 | End Function |
---|
1064 | |
---|
1065 | Function _System_ASCII_ToLower(c As SByte) As SByte |
---|
1066 | Return _System_ASCII_ToLower(c As Byte As WCHAR) As Byte As SByte |
---|
1067 | End Function |
---|
1068 | |
---|
1069 | Function _System_ASCII_ToUpper(c As WCHAR) As WCHAR |
---|
1070 | If _System_ASCII_IsLower(c) Then |
---|
1071 | Return c And (Not &h20) |
---|
1072 | Else |
---|
1073 | Return c |
---|
1074 | End If |
---|
1075 | End Function |
---|
1076 | |
---|
1077 | Function _System_ASCII_ToUpper(c As SByte) As SByte |
---|
1078 | Return _System_ASCII_ToUpper(c As Byte As WCHAR) As Byte As SByte |
---|
1079 | End Function |
---|
1080 | |
---|
1081 | Function _System_GetHashFromWordArray(p As *Word, n As SIZE_T) As Long |
---|
1082 | Dim hash = 0 As DWord |
---|
1083 | Dim i As Long |
---|
1084 | For i = 0 To ELM(n) |
---|
1085 | hash = ((hash << 16) + p[i]) Mod &h7fffffff |
---|
1086 | Next |
---|
1087 | _System_GetHashFromWordArray = hash As Long |
---|
1088 | End Function |
---|
1089 | |
---|
1090 | #endif '_INC_FUNCTION |
---|