Option Explicit
'****************************************************************************
' 機能名 : Module1.bas
' 機能説明 : 文字コード判定
' 備考 :
' 著作権 : Copyright(C) 2008 - 2022 のん All rights reserved
' ---------------------------------------------------------------------------
' 使用条件 : このサイトの内容を使用(流用/改変/転載/等全て)した成果物を不特定
' : 多数に公開/配布する場合は、このサイトを参考にした旨を記述してく
' : ださい。(例)WEBページやReadMeにリンクを貼ってください
' ---------------------------------------------------------------------------
'****************************************************************************
Private Const JUDGEFIX = 9999 '文字コード決定％
Private Const JUDGESIZEMAX = 100000 '文字コード判定バイト数
Private Const BinaryByteWeight = 0.5 'バイナリ 文字コードの一致重み
Private Const SingleByteWeight = 1 '１バイト 文字コードの一致重み
Private Const Multi_ByteWeight = 2 '複数バイト文字コードの一致重み
Private Enum JISMODE 'JISコードのモード
ctrl = 0 '制御コード
asci = 1 'ASCII
roma = 2 'JISローマ字
kana = 3 'JISカナ（半角カナ）
kanO = 4 '旧JIS漢字 (1978)
kanN = 5 '新JIS漢字 (1983/1990)
kanH = 6 'JIS補助漢字
End Enum
'----文字コード判定
' 関数名 : JudgeCode
' 返り値 : 判定結果文字コード名
' 引き数 : bytCode : 判定文字データ
' 機能説明 : 文字コードを判定する
' 備考 :
Public Function JudgeCode(ByRef bytCode() As Byte, Optional ByVal blnBin As Boolean = False) As String
JudgeCode = "SJIS"
Dim dblSJIS As Double
Dim dblJIS As Double
Dim dblEUC As Double
Dim dblUNI As Double
Dim dblUTF7 As Double
Dim dblUTF8 As Double
Dim dblBIN As Double
dblJIS = JudgeJIS(bytCode, False) ': Debug.Print "JIS :" & dblJIS
If dblJIS >= JUDGEFIX Then JudgeCode = "JIS": Exit Function
dblUNI = JudgeUNI(bytCode, False) ': Debug.Print "UNI :" & dblUNI
If dblUNI >= JUDGEFIX Then JudgeCode = "UNICODE": Exit Function
dblUTF8 = JudgeUTF8(bytCode, False) ': Debug.Print "UTF8:" & dblUTF8
If dblUTF8 >= JUDGEFIX Then JudgeCode = "UTF8": Exit Function
dblUTF7 = JudgeUTF7(bytCode, False) ': Debug.Print "UTF7:" & dblUTF7
If dblUTF7 >= JUDGEFIX Then JudgeCode = "UTF7": Exit Function
dblSJIS = JudgeSJIS(bytCode, False) ': Debug.Print "SJIS:" & dblSJIS
If dblSJIS >= JUDGEFIX Then JudgeCode = "SJIS": Exit Function
dblEUC = JudgeEUC(bytCode, False) ': Debug.Print "EUC :" & dblEUC
If dblEUC >= JUDGEFIX Then JudgeCode = "EUC": Exit Function
If blnBin Then
dblBIN = JudgeBIN(bytCode, False) ': Debug.Print "BIN :" & dblBIN
If dblBIN >= JUDGEFIX Then JudgeCode = "BIN": Exit Function
Else
dblBIN = 0
End If
'Debug.Print "--------"
If dblSJIS >= dblSJIS And dblSJIS >= dblUNI And dblSJIS >= dblJIS And _
dblSJIS >= dblUTF7 And dblSJIS >= dblUTF8 And dblSJIS >= dblEUC And _
dblSJIS >= dblBIN Then
JudgeCode = "SJIS"
Exit Function
End If
If dblUNI >= dblSJIS And dblUNI >= dblUNI And dblUNI >= dblJIS And _
dblUNI >= dblUTF7 And dblUNI >= dblUTF8 And dblUNI >= dblEUC And _
dblUNI >= dblBIN Then
JudgeCode = "UNICODE"
Exit Function
End If
If dblJIS >= dblSJIS And dblJIS >= dblUNI And dblJIS >= dblJIS And _
dblJIS >= dblUTF7 And dblJIS >= dblUTF8 And dblJIS >= dblEUC And _
dblJIS >= dblBIN Then
JudgeCode = "JIS"
Exit Function
End If
If dblUTF7 >= dblSJIS And dblUTF7 >= dblUNI And dblUTF7 >= dblJIS And _
dblUTF7 >= dblUTF7 And dblUTF7 >= dblUTF8 And dblUTF7 >= dblEUC And _
dblUTF7 >= dblBIN Then
JudgeCode = "UTF7"
Exit Function
End If
If dblUTF8 >= dblSJIS And dblUTF8 >= dblUNI And dblUTF8 >= dblJIS And _
dblUTF8 >= dblUTF7 And dblUTF8 >= dblUTF8 And dblUTF8 >= dblEUC And _
dblUTF8 >= dblBIN Then
JudgeCode = "UTF8"
Exit Function
End If
If dblEUC >= dblSJIS And dblEUC >= dblUNI And dblEUC >= dblJIS And _
dblEUC >= dblUTF7 And dblEUC >= dblUTF8 And dblEUC >= dblEUC And _
dblEUC >= dblBIN Then
JudgeCode = "EUC"
Exit Function
End If
If dblBIN >= dblSJIS And dblBIN >= dblUNI And dblBIN >= dblJIS And _
dblBIN >= dblUTF7 And dblBIN >= dblUTF8 And dblBIN >= dblEUC And _
dblBIN >= dblBIN Then
JudgeCode = "BIN"
Exit Function
End If
End Function
'----SJIS関係
' 関数名 : JudgeSJIS
' 返り値 : 判定結果確率（％）
' 引き数 : bytCode : 判定文字データ
' : fixFlag : 確定判断有無
' 機能説明 : 判定文字データの判定確率を計算する
' 備考 :
Private Function JudgeSJIS(ByRef bytCode() As Byte, _
Optional ByVal fixFlag As Boolean = False) As Double
Dim i As Long
Dim dblFit As Double
Dim dblUB As Double
dblUB = JUDGESIZEMAX - 1
If dblUB > UBound(bytCode) Then
dblUB = UBound(bytCode)
End If
For i = 0 To dblUB
'81-9F,E0-EF(1バイト目)
If (bytCode(i) >= &H81 And bytCode(i) <= &H9F) Or _
(bytCode(i) >= &HE0 And bytCode(i) <= &HEF) Then
If i <= UBound(bytCode) - 1 Then
'40-7E,80-FC(2バイト目)
If (bytCode(i + 1) >= &H40 And bytCode(i + 1) <= &H7E) Or _
(bytCode(i + 1) >= &H80 And bytCode(i + 1) <= &HFC) Then
dblFit = dblFit + (2 * Multi_ByteWeight)
Else
dblFit = dblFit - (2 * Multi_ByteWeight)
End If
i = i + 1
End If
'A1-DF(1バイト目)
ElseIf (bytCode(i) >= &HA1 And bytCode(i) <= &HDF) Then
dblFit = dblFit + (1 * SingleByteWeight)
'20-7E(1バイト目)
ElseIf (bytCode(i) >= &H20 And bytCode(i) <= &H7E) Then
dblFit = dblFit + (1 * SingleByteWeight)
'00-1F, 7F(1バイト目)
ElseIf (bytCode(i) >= &H0 And bytCode(i) <= &H1F) Or _
bytCode(i) = &H7F Then
If bytCode(i) = &H9 Or bytCode(i) = &HD Or bytCode(i) = &HA Then
dblFit = dblFit + (1 * SingleByteWeight)
Else
dblFit = dblFit + (1 * BinaryByteWeight)
End If
End If
Next i
JudgeSJIS = (dblFit * 100) / ((dblUB + 1) * Multi_ByteWeight)
End Function
'----JIS関係
' 関数名 : JudgeJIS
' 返り値 : 判定結果確率（％）
' 引き数 : bytCode : 判定文字データ
' : fixFlag : 確定判断有無
' 機能説明 : 判定文字データの判定確率を計算する
' 備考 :
Private Function JudgeJIS(ByRef bytCode() As Byte, _
Optional ByVal fixFlag As Boolean = False) As Double
Dim i As Long
Dim dblFit As Double
Dim dblUB As Double
Dim lngMode As JISMODE
dblUB = JUDGESIZEMAX - 1
If dblUB > UBound(bytCode) Then
dblUB = UBound(bytCode)
End If
For i = 0 To dblUB
'1B(1バイト目)
If bytCode(i) = &H1B Then
If i <= UBound(bytCode) - 2 Then
'28 42(2・3バイト目)
If bytCode(i + 1) = &H28 And bytCode(i + 1) <= &H42 Then
lngMode = asci
dblFit = dblFit + (3 * Multi_ByteWeight)
i = i + 2
'If fixFlag Then
' JudgeJIS = JUDGEFIX
' Exit Function
'End If
'28 4A(2・3バイト目)
ElseIf bytCode(i + 1) = &H28 And bytCode(i + 1) <= &H4A Then
lngMode = roma
dblFit = dblFit + (3 * Multi_ByteWeight)
i = i + 2
'If fixFlag Then
' JudgeJIS = JUDGEFIX
' Exit Function
'End If
'28 49(2・3バイト目)
ElseIf bytCode(i + 1) = &H28 And bytCode(i + 1) <= &H49 Then
lngMode = kana
dblFit = dblFit + (3 * Multi_ByteWeight)
i = i + 2
'If fixFlag Then
' JudgeJIS = JUDGEFIX
' Exit Function
'End If
'24 40(2・3バイト目)
ElseIf bytCode(i + 1) = &H24 And bytCode(i + 1) <= &H40 Then
lngMode = kanO
dblFit = dblFit + (3 * Multi_ByteWeight)
i = i + 2
'If fixFlag Then
' JudgeJIS = JUDGEFIX
' Exit Function
'End If
'24 42(2・3バイト目)
ElseIf bytCode(i + 1) = &H24 And bytCode(i + 1) <= &H42 Then
lngMode = kanN
dblFit = dblFit + (3 * Multi_ByteWeight)
i = i + 2
'If fixFlag Then
' JudgeJIS = JUDGEFIX
' Exit Function
'End If
'24 44(2・3バイト目)
ElseIf bytCode(i + 1) = &H24 And bytCode(i + 1) <= &H44 Then
lngMode = kanH
dblFit = dblFit + (3 * Multi_ByteWeight)
i = i + 2
'If fixFlag Then
' JudgeJIS = JUDGEFIX
' Exit Function
'End If
End If
End If
Else
Select Case lngMode
Case ctrl, asci, roma
'00-1F,7F
If (bytCode(i) >= &H0 And bytCode(i) <= &H1F) Or _
bytCode(i) = &H7F Then
If bytCode(i) = &H9 Or bytCode(i) = &HD Or bytCode(i) = &HA Then
dblFit = dblFit + (1 * SingleByteWeight)
Else
dblFit = dblFit + (1 * BinaryByteWeight)
End If
'20-7E
ElseIf (bytCode(i) >= &H20 And bytCode(i) <= &H7E) Then
dblFit = dblFit + (1 * SingleByteWeight)
End If
Case kana
'21-5F
If (bytCode(i) >= &H21 And bytCode(i) <= &H5F) Then
dblFit = dblFit + (1 * SingleByteWeight)
End If
Case kanO, kanN, kanH
If i <= UBound(bytCode) - 1 Then
'21-7E
If (bytCode(i) >= &H21 And bytCode(i) <= &H7E) And _
(bytCode(i - 1) >= &H21 And bytCode(i - 1) <= &H7E) Then
dblFit = dblFit + (2 * Multi_ByteWeight)
i = i + 1
End If
End If
End Select
End If
Next i
JudgeJIS = (dblFit * 100) / ((dblUB + 1) * Multi_ByteWeight)
End Function
'----EUC関係
' 関数名 : JudgeEUC
' 返り値 : 判定結果確率（％）
' 引き数 : bytCode : 判定文字データ
' : fixFlag : 確定判断有無
' 機能説明 : 判定文字データの判定確率を計算する
' 備考 :
Private Function JudgeEUC(ByRef bytCode() As Byte, _
Optional ByVal fixFlag As Boolean = False) As Double
Dim i As Long
Dim dblFit As Double
Dim dblUB As Double
dblUB = JUDGESIZEMAX - 1
If dblUB > UBound(bytCode) Then
dblUB = UBound(bytCode)
End If
For i = 0 To dblUB
'8E(1バイト目) + A1-DF(2バイト目)
If bytCode(i) = &H8E Then
If i <= UBound(bytCode) - 1 Then
If bytCode(i + 1) >= &HA1 And bytCode(i + 1) <= &HDF Then
dblFit = dblFit + (2 * Multi_ByteWeight)
Else
dblFit = dblFit - (2 * Multi_ByteWeight)
End If
i = i + 1
End If
'8F(1バイト目) + A1-0xFE(2・3バイト目)
ElseIf bytCode(i) = &H8F Then
If i <= UBound(bytCode) - 2 Then
If (bytCode(i + 1) >= &HA1 And bytCode(i + 1) <= &HFE) And _
(bytCode(i + 2) >= &HA1 And bytCode(i + 2) <= &HFE) Then
dblFit = dblFit + (3 * Multi_ByteWeight)
Else
dblFit = dblFit - (3 * Multi_ByteWeight)
End If
i = i + 2
End If
'A1-FE(1バイト目) + A1-FE(2バイト目)
ElseIf bytCode(i) >= &HA1 And bytCode(i) <= &HFE Then
If i <= UBound(bytCode) - 1 Then
If bytCode(i + 1) >= &HA1 And bytCode(i + 1) <= &HFE Then
dblFit = dblFit + (2 * Multi_ByteWeight)
Else
dblFit = dblFit - (2 * Multi_ByteWeight)
End If
i = i + 1
End If
'20-7E(1バイト目)
ElseIf (bytCode(i) >= &H20 And bytCode(i) <= &H7E) Then
dblFit = dblFit + (1 * SingleByteWeight)
'00-1F, 7F(1バイト目)
ElseIf (bytCode(i) >= &H0 And bytCode(i) <= &H1F) Or _
bytCode(i) = &H7F Then
If bytCode(i) = &H9 Or bytCode(i) = &HD Or bytCode(i) = &HA Then
dblFit = dblFit + (1 * SingleByteWeight)
Else
dblFit = dblFit + (1 * BinaryByteWeight)
End If
End If
Next i
JudgeEUC = (dblFit * 100) / ((dblUB + 1) * Multi_ByteWeight)
End Function
'----UNICODE関係
' 関数名 : JudgeUNI
' 返り値 : 判定結果確率（％）
' 引き数 : bytCode : 判定文字データ
' : fixFlag : 確定判断有無
' 機能説明 : 判定文字データの判定確率を計算する
' 備考 :
Private Function JudgeUNI(ByRef bytCode() As Byte, _
Optional ByVal fixFlag As Boolean = False) As Double
Dim i As Long
Dim dblFit As Double
Dim dblUB As Double
dblUB = JUDGESIZEMAX - 1
If dblUB > UBound(bytCode) Then
dblUB = UBound(bytCode)
End If
For i = 0 To dblUB
If i = 0 And fixFlag Then
'BOM
If bytCode(i) = &HFF Then
If i <= UBound(bytCode) - 1 Then
If bytCode(i + 1) = &HFE Then
JudgeUNI = JUDGEFIX
Exit Function
End If
End If
End If
'半角の証
'If bytCode(i) = &H0 Then
' JudgeUNI = JUDGEFIX
' Exit Function
'End If
End If
If i <= UBound(bytCode) - 1 Then
'00(2バイト目)
If (bytCode(i + 1) = &H0) Then
'00-FF(1バイト目)
dblFit = dblFit + UniPoint(bytCode, i)
'01-33(2バイト目)
ElseIf (bytCode(i + 1) >= &H1 And bytCode(i + 1) <= &H33) Then
'00-FF(1バイト目)
dblFit = dblFit + UniPoint(bytCode, i)
'34-4D(2バイト目)
ElseIf (bytCode(i + 1) >= &H34 And bytCode(i + 1) <= &H4D) Then
'00-FF(1バイト目)----空き----
dblFit = dblFit + 0
'4E-9F(2バイト目)
ElseIf (bytCode(i + 1) >= &H4E And bytCode(i + 1) <= &H9F) Then
'00-FF(1バイト目)
dblFit = dblFit + UniPoint(bytCode, i)
'A0-AB(2バイト目)
ElseIf (bytCode(i + 1) >= &HA0 And bytCode(i + 1) <= &HAB) Then
'00-FF(1バイト目)----空き----
dblFit = dblFit + 0
'AC-D7(2バイト目)
ElseIf (bytCode(i + 1) >= &HAC And bytCode(i + 1) <= &HD7) Then
'00-FF(1バイト目)----ハングル----
dblFit = dblFit + 0
'D8-DF(2バイト目)
ElseIf (bytCode(i + 1) >= &HD8 And bytCode(i + 1) <= &HDF) Then
'00-FF(1バイト目)
dblFit = dblFit + UniPoint(bytCode, i)
'E0-F7(2バイト目)
ElseIf (bytCode(i + 1) >= &HE0 And bytCode(i + 1) <= &HF7) Then
'00-FF(1バイト目)----外字----
dblFit = dblFit + 0
'F8-FF(2バイト目)
ElseIf (bytCode(i + 1) >= &HF8 And bytCode(i + 1) <= &HFF) Then
'00-FF(1バイト目)
dblFit = dblFit + UniPoint(bytCode, i)
End If
i = i + 1
End If
Next i
JudgeUNI = (dblFit * 100) / ((dblUB + 1) * Multi_ByteWeight)
End Function
Private Function UniPoint(ByRef dat() As Byte, ByVal idx As Long) As Double
On Error Resume Next
UniPoint = 0
If UBound(dat) <= idx - 1 Then Exit Function
Dim ddd(1) As Byte
ddd(0) = dat(idx)
ddd(1) = dat(idx + 1)
Dim eee As String
'eee = System.Text.Encoding.GetEncoding("UNICODE").GetString(ddd)
eee = ddd
If eee = "" Then eee = "?"
If Hex(Asc(eee)) <> "3F" Then
If ddd(0) >= &H0 And ddd(0) <= &H7E And _
ddd(1) >= &H1 And ddd(1) <= &H7E Then
If ddd(0) <= &H1F Then
UniPoint = UniPoint + BinaryByteWeight
Else
UniPoint = UniPoint + SingleByteWeight
End If
If ddd(1) <= &H1F Then
UniPoint = UniPoint + BinaryByteWeight
Else
UniPoint = UniPoint + SingleByteWeight
End If
Else
If ddd(1) = &H0 Then
If ddd(0) <= &H1F Then
If ddd(0) = &H9 Or ddd(0) = &HD Or ddd(0) = &HA Then
UniPoint = UniPoint + (2 * Multi_ByteWeight)
Else
UniPoint = UniPoint + (2 * BinaryByteWeight)
End If
Else
UniPoint = UniPoint + (2 * Multi_ByteWeight)
End If
Else
UniPoint = UniPoint + (2 * Multi_ByteWeight)
End If
End If
Else
End If
End Function
'----UTF7関係
' 関数名 : JudgeUTF7
' 返り値 : 判定結果確率（％）
' 引き数 : bytCode : 判定文字データ
' : fixFlag : 確定判断有無
' 機能説明 : 判定文字データの判定確率を計算する
' 備考 :
Private Function JudgeUTF7(ByRef bytCode() As Byte, _
Optional ByVal fixFlag As Boolean = False) As Double
Dim i As Long
Dim dblFit As Double
Dim dblUB As Double
Dim lngWrk As Long
Dim str64 As String
Dim bln64 As Boolean
str64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
Dim lngBY As Long
Dim lngXB As Long
Dim lngXX As Long
dblUB = JUDGESIZEMAX - 1
If dblUB > UBound(bytCode) Then
dblUB = UBound(bytCode)
End If
lngWrk = 0
For i = 0 To dblUB
'+〜-まではBASE64ENCODE
If bytCode(i) = Asc("+") And bln64 = False Then
lngWrk = 1
bln64 = True
ElseIf bytCode(i) = Asc("-") Then
If lngWrk <= 0 Then
lngWrk = lngWrk + 1
dblFit = dblFit + (lngWrk * SingleByteWeight)
ElseIf lngWrk = 1 Then
lngWrk = lngWrk + 1
dblFit = dblFit + (lngWrk * Multi_ByteWeight)
ElseIf lngWrk >= 4 And lngXB < 6 And _
((InStr(str64, Chr(bytCode(i - 1))) - 1) And lngXX) = 0 Then
lngWrk = lngWrk + 1
dblFit = dblFit + (lngWrk * Multi_ByteWeight)
End If
lngWrk = 0
bln64 = False
Else
If bln64 = True Then
'BASE64ENCODE中
If InStr(str64, Chr(bytCode(i))) > 0 Then
lngBY = Int((lngWrk * 6) / 8)
lngXB = (lngWrk * 6) - (lngBY * 8)
lngXX = (2 ^ lngXB) - 1
lngWrk = lngWrk + 1
Else
lngWrk = 0
bln64 = False
End If
Else
'20-7E(1バイト目)
If (bytCode(i) >= &H20 And bytCode(i) <= &H7E) Then
dblFit = dblFit + (1 * SingleByteWeight)
'00-1F, 7F(1バイト目)
ElseIf (bytCode(i) >= &H0 And bytCode(i) <= &H1F) Or _
bytCode(i) = &H7F Then
If bytCode(i) = &H9 Or bytCode(i) = &HD Or bytCode(i) = &HA Then
dblFit = dblFit + (1 * SingleByteWeight)
Else
dblFit = dblFit + (1 * BinaryByteWeight)
End If
End If
End If
End If
Next i
JudgeUTF7 = (dblFit * 100) / ((dblUB + 1) * Multi_ByteWeight)
End Function
'----UTF8関係
' 関数名 : JudgeUTF8
' 返り値 : 判定結果確率（％）
' 引き数 : bytCode : 判定文字データ
' : fixFlag : 確定判断有無
' 機能説明 : 判定文字データの判定確率を計算する
' 備考 :
Private Function JudgeUTF8(ByRef bytCode() As Byte, _
Optional ByVal fixFlag As Boolean = False) As Double
Dim i As Long
Dim dblFit As Double
Dim dblUB As Double
dblUB = JUDGESIZEMAX - 1
If dblUB > UBound(bytCode) Then
dblUB = UBound(bytCode)
End If
For i = 0 To dblUB
If i = 0 And fixFlag Then
'BOM
If bytCode(i) = &HEF Then
If i <= UBound(bytCode) - 2 Then
If bytCode(i + 1) = &HBB And _
bytCode(i + 2) = &HBF Then
JudgeUTF8 = JUDGEFIX
Exit Function
End If
End If
End If
End If
'AND FC(1バイト目) + 80-BF(2-6バイト目)
If (bytCode(i) And &HFC) = &HFC Then
If i <= UBound(bytCode) - 5 Then
If (bytCode(i + 1) >= &H80 And bytCode(i + 1) <= &HBF) And _
(bytCode(i + 2) >= &H80 And bytCode(i + 2) <= &HBF) And _
(bytCode(i + 3) >= &H80 And bytCode(i + 3) <= &HBF) And _
(bytCode(i + 4) >= &H80 And bytCode(i + 4) <= &HBF) And _
(bytCode(i + 5) >= &H80 And bytCode(i + 5) <= &HBF) Then
dblFit = dblFit + (6 * Multi_ByteWeight)
i = i + 5
End If
End If
'AND F8(1バイト目) + 80-BF(2-5バイト目)
ElseIf (bytCode(i) And &HF8) = &HF8 Then
If i <= UBound(bytCode) - 4 Then
If (bytCode(i + 1) >= &H80 And bytCode(i + 1) <= &HBF) And _
(bytCode(i + 2) >= &H80 And bytCode(i + 2) <= &HBF) And _
(bytCode(i + 3) >= &H80 And bytCode(i + 3) <= &HBF) And _
(bytCode(i + 4) >= &H80 And bytCode(i + 4) <= &HBF) Then
dblFit = dblFit + (5 * Multi_ByteWeight)
i = i + 4
End If
End If
'AND F0(1バイト目) + 80-BF(2-4バイト目)
ElseIf (bytCode(i) And &HF0) = &HF0 Then
If i <= UBound(bytCode) - 3 Then
If (bytCode(i + 1) >= &H80 And bytCode(i + 1) <= &HBF) And _
(bytCode(i + 2) >= &H80 And bytCode(i + 2) <= &HBF) And _
(bytCode(i + 3) >= &H80 And bytCode(i + 3) <= &HBF) Then
dblFit = dblFit + (4 * Multi_ByteWeight)
i = i + 3
End If
End If
'AND E0(1バイト目) + 80-BF(2-3バイト目)
ElseIf (bytCode(i) And &HE0) = &HE0 Then
If i <= UBound(bytCode) - 2 Then
If (bytCode(i + 1) >= &H80 And bytCode(i + 1) <= &HBF) And _
(bytCode(i + 2) >= &H80 And bytCode(i + 2) <= &HBF) Then
dblFit = dblFit + (3 * Multi_ByteWeight)
i = i + 2
End If
End If
'AND C0(1バイト目) + 80-BF(2バイト目)
ElseIf (bytCode(i) And &HC0) = &HC0 Then
If i <= UBound(bytCode) - 1 Then
If (bytCode(i + 1) >= &H80 And bytCode(i + 1) <= &HBF) Then
dblFit = dblFit + (2 * Multi_ByteWeight)
i = i + 1
End If
End If
'20-7E(1バイト目)
ElseIf (bytCode(i) >= &H20 And bytCode(i) <= &H7E) Then
dblFit = dblFit + (1 * SingleByteWeight)
'00-1F, 7F(1バイト目)
ElseIf (bytCode(i) >= &H0 And bytCode(i) <= &H1F) Or _
bytCode(i) = &H7F Then
If bytCode(i) = &H9 Or bytCode(i) = &HD Or bytCode(i) = &HA Then
dblFit = dblFit + (1 * SingleByteWeight)
Else
dblFit = dblFit + (1 * BinaryByteWeight)
End If
End If
Next i
JudgeUTF8 = (dblFit * 100) / ((dblUB + 1) * Multi_ByteWeight)
End Function
'----BIN関係
' 関数名 : JudgeBIN
' 返り値 : 判定結果確率（％）
' 引き数 : bytCode : 判定文字データ
' : fixFlag : 確定判断有無
' 機能説明 : 判定文字データの判定確率を計算する
' 備考 :
Private Function JudgeBIN(ByRef bytCode() As Byte, _
Optional ByVal fixFlag As Boolean = False) As Double
Dim i As Long
Dim dblFit As Double
Dim dblUB As Double
Dim intBin As Long
dblUB = JUDGESIZEMAX - 1
If dblUB > UBound(bytCode) Then
dblUB = UBound(bytCode)
End If
For i = 0 To dblUB
'00-1F, 7F
If (bytCode(i) >= &H0 And bytCode(i) <= &H1F) Or _
bytCode(i) = &H7F Then
If bytCode(i) = &H9 Or bytCode(i) = &HD Or bytCode(i) = &HA Then
dblFit = dblFit + (1 * SingleByteWeight)
intBin = 0
Else
intBin = intBin + 1
If intBin >= 2 Then
dblFit = dblFit + (1 * Multi_ByteWeight)
Else
dblFit = dblFit + (1 * Multi_ByteWeight)
End If
End If
'20-7E
ElseIf (bytCode(i) >= &H20 And bytCode(i) <= &H7E) Then
dblFit = dblFit + (1 * SingleByteWeight)
'80-FF
Else
dblFit = dblFit + (1 * SingleByteWeight)
intBin = 0
End If
Next i
JudgeBIN = (dblFit * 100) / ((dblUB + 1) * Multi_ByteWeight)
End Function
