You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
127 lines
2.8 KiB
127 lines
2.8 KiB
//-----------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Forms
|
|
// Copyright: (c) 1994-1995, Microsoft Corporation
|
|
// All rights Reserved.
|
|
// Information contained herein is Proprietary and Confidential.
|
|
//
|
|
// File CSTR.HXX
|
|
//
|
|
// Contents Class definition for length prefix string class
|
|
//
|
|
// Classes CStr
|
|
//
|
|
// Stolen from Trident
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class ANSIString
|
|
{
|
|
public:
|
|
ANSIString(WCHAR *pchWide);
|
|
~ANSIString() { delete _pch; }
|
|
|
|
void Set(WCHAR *pchWide);
|
|
|
|
operator LPSTR () const { return _pch; }
|
|
|
|
private:
|
|
char *_pch;
|
|
};
|
|
|
|
/*
|
|
Use this macro to avoid initialization of embedded
|
|
objects when parent object zeros out the memory
|
|
*/
|
|
|
|
#define CSTR_NOINIT ((float)0.0)
|
|
|
|
/*
|
|
This class defines a length prefix 0 terminated string object. It points
|
|
to the beginning of the characters so the pointer returned can be used in
|
|
normal string operations taking into account that of course that it can
|
|
contain any binary value.
|
|
*/
|
|
|
|
class CStr
|
|
{
|
|
public:
|
|
|
|
DECLARE_MEMALLOC_NEW_DELETE()
|
|
|
|
/*
|
|
Default constructor
|
|
*/
|
|
CStr()
|
|
{
|
|
_pch = 0;
|
|
}
|
|
|
|
/*
|
|
Special constructor to AVOID construction for embedded
|
|
objects...
|
|
*/
|
|
CStr(float num)
|
|
{
|
|
Assert(_pch == 0);
|
|
}
|
|
/*
|
|
Destructor will free data
|
|
*/
|
|
~CStr()
|
|
{
|
|
_Free();
|
|
}
|
|
|
|
operator LPTSTR () const { return _pch; }
|
|
HRESULT Set(LPCTSTR pch);
|
|
HRESULT Set(LPCTSTR pch, UINT uc);
|
|
|
|
HRESULT SetMultiByte(LPCSTR pch);
|
|
HRESULT GetMultiByte(LPSTR pch, UINT cch);
|
|
|
|
HRESULT SetBSTR(const BSTR bstr);
|
|
|
|
HRESULT Set(const CStr &cstr);
|
|
|
|
void TakeOwnership(CStr &cstr);
|
|
UINT Length() const;
|
|
|
|
// Update the internal length indication without changing any allocation.
|
|
|
|
HRESULT SetLengthNoAlloc( UINT uc );
|
|
|
|
// Reallocate the string to a larger size, length unchanged.
|
|
|
|
HRESULT ReAlloc( UINT uc );
|
|
|
|
HRESULT Append(LPCTSTR pch);
|
|
HRESULT Append(LPCTSTR pch, UINT uc);
|
|
HRESULT AppendMultiByte(LPCSTR pch);
|
|
|
|
void Free()
|
|
{
|
|
_Free();
|
|
_pch = 0;
|
|
}
|
|
|
|
TCHAR * TakePch() { TCHAR * pch = _pch; _pch = NULL; return(pch); }
|
|
|
|
HRESULT AllocBSTR(BSTR *pBSTR) const;
|
|
|
|
HRESULT TrimTrailingWhitespace();
|
|
|
|
private:
|
|
void _Free();
|
|
LPTSTR _pch;
|
|
NO_COPY(CStr);
|
|
|
|
public:
|
|
HRESULT Clone(CStr **ppCStr) const;
|
|
BOOL Compare (const CStr *pCStr) const;
|
|
WORD ComputeCrc() const;
|
|
BOOL IsNull(void) const { return _pch == NULL ? TRUE : FALSE; }
|
|
HRESULT Save(IStream * pstm) const;
|
|
HRESULT Load(IStream * pstm);
|
|
ULONG GetSaveSize() const;
|
|
};
|