| 1 | ' com/bstring.ab
|
|---|
| 2 |
|
|---|
| 3 | #require <ole2.ab>
|
|---|
| 4 | #require <oleauto.ab>
|
|---|
| 5 |
|
|---|
| 6 | Class BString
|
|---|
| 7 | Public
|
|---|
| 8 | Sub BString()
|
|---|
| 9 | bs = 0
|
|---|
| 10 | End Sub
|
|---|
| 11 |
|
|---|
| 12 | Sub BString(len As DWord)
|
|---|
| 13 | bs = SysAllocStringLen(0, len)
|
|---|
| 14 | End Sub
|
|---|
| 15 |
|
|---|
| 16 | Sub BString(ByRef s As BString)
|
|---|
| 17 | BString(s.bs, s.Length)
|
|---|
| 18 | End Sub
|
|---|
| 19 |
|
|---|
| 20 | Sub BString(s As LPCOLESTR)
|
|---|
| 21 | bs = SysAllocString(s)
|
|---|
| 22 | End Sub
|
|---|
| 23 |
|
|---|
| 24 | Sub BString(s As LPCOLESTR, len As DWord)
|
|---|
| 25 | bs = SysAllocStringLen(s, len)
|
|---|
| 26 | End Sub
|
|---|
| 27 |
|
|---|
| 28 | Sub BString(s As PCSTR)
|
|---|
| 29 | BString(s, lstrlenA(s))
|
|---|
| 30 | End Sub
|
|---|
| 31 |
|
|---|
| 32 | Sub BString(s As PCSTR, len As DWord)
|
|---|
| 33 | Dim lenBS = MultiByteToWideChar(CP_THREAD_ACP, 0, s, len, 0, 0)
|
|---|
| 34 | bs = SysAllocStringLen(0, lenBS)
|
|---|
| 35 | MultiByteToWideChar(CP_THREAD_ACP, 0, s, len, bs, lenBS)
|
|---|
| 36 | End Sub
|
|---|
| 37 |
|
|---|
| 38 | Sub BString(ByRef s As String)
|
|---|
| 39 | BString(s.StrPtr, s.Length As DWord)
|
|---|
| 40 | End Sub
|
|---|
| 41 |
|
|---|
| 42 | Sub ~BString()
|
|---|
| 43 | Clear()
|
|---|
| 44 | End Sub
|
|---|
| 45 |
|
|---|
| 46 | Sub Operator =(ByRef bstr As BString)
|
|---|
| 47 | Clear()
|
|---|
| 48 | BString(bstr)
|
|---|
| 49 | End Sub
|
|---|
| 50 |
|
|---|
| 51 | Sub Operator =(s As LPCOLESTR)
|
|---|
| 52 | Clear()
|
|---|
| 53 | BString(s)
|
|---|
| 54 | End Sub
|
|---|
| 55 |
|
|---|
| 56 | Sub Assign(ByRef bstr As BString)
|
|---|
| 57 | Clear()
|
|---|
| 58 | BString(bstr)
|
|---|
| 59 | End Sub
|
|---|
| 60 |
|
|---|
| 61 | Sub Assign(s As LPCOLESTR)
|
|---|
| 62 | Clear()
|
|---|
| 63 | BString(s)
|
|---|
| 64 | End Sub
|
|---|
| 65 |
|
|---|
| 66 | Sub AssignFromBStr(bstr As BSTR)
|
|---|
| 67 | Clear()
|
|---|
| 68 | BString(bstr)
|
|---|
| 69 | End Sub
|
|---|
| 70 |
|
|---|
| 71 | Sub Clear()
|
|---|
| 72 | If bs <> 0 Then
|
|---|
| 73 | SysFreeString(bs)
|
|---|
| 74 | bs = 0
|
|---|
| 75 | End If
|
|---|
| 76 | End Sub
|
|---|
| 77 |
|
|---|
| 78 | Sub Attach(bstr As BSTR)
|
|---|
| 79 | Clear()
|
|---|
| 80 | bs = bstr
|
|---|
| 81 | End Sub
|
|---|
| 82 |
|
|---|
| 83 | Function Detach() As BSTR
|
|---|
| 84 | Detach = bs
|
|---|
| 85 | bs = 0
|
|---|
| 86 | End Function
|
|---|
| 87 |
|
|---|
| 88 | Function BStr() As BSTR
|
|---|
| 89 | BStr = bs
|
|---|
| 90 | End Function
|
|---|
| 91 |
|
|---|
| 92 | Const Function Length() As DWord
|
|---|
| 93 | Length = SysStringLen(bs)
|
|---|
| 94 | End Function
|
|---|
| 95 |
|
|---|
| 96 | Const Function Operator [](i As SIZE_T) As OLECHAR
|
|---|
| 97 | #ifdef _DEBUG
|
|---|
| 98 | If i > Length Then
|
|---|
| 99 | 'Throw OutOfRangeException
|
|---|
| 100 | End If
|
|---|
| 101 | #endif
|
|---|
| 102 | Return bs[i]
|
|---|
| 103 | End Function
|
|---|
| 104 |
|
|---|
| 105 | Sub Operator []=(i As SIZE_T, c As OLECHAR)
|
|---|
| 106 | #ifdef _DEBUG
|
|---|
| 107 | If i > Length Then
|
|---|
| 108 | 'Throw OutOfRangeException
|
|---|
| 109 | End If
|
|---|
| 110 | #endif
|
|---|
| 111 | bs[i] = c
|
|---|
| 112 | End Sub
|
|---|
| 113 |
|
|---|
| 114 | Override Function ToString() As String
|
|---|
| 115 | Dim s As String(bs, Length)
|
|---|
| 116 | Return s
|
|---|
| 117 | End Function
|
|---|
| 118 |
|
|---|
| 119 | Private
|
|---|
| 120 | bs As BSTR
|
|---|
| 121 | End Class
|
|---|
| 122 |
|
|---|
