winamp/Src/Plugins/Library/ml_local/MLString.h

54 lines
2.0 KiB
C++

#ifndef NULLOSFT_MLSTRING_HEADER
#define NULLOSFT_MLSTRING_HEADER
#include <windows.h>
class MLString
{
public:
MLString(void);
~MLString(void);
MLString(const wchar_t* string);
MLString(unsigned int cchBuffer);
protected:
MLString(const MLString &copy);
public:
HRESULT Set(const wchar_t* string, unsigned int cchLength);
HRESULT Append(const wchar_t* string, unsigned int cchLength);
const wchar_t* Get(void) { return (cchLen) ? buffer : NULL; }
void Clear(void) { cchLen = 0; }
unsigned int GetLength(void) { return cchLen; }
HRESULT Format(const wchar_t *format, ...);
HRESULT CopyTo(MLString *destination);
HRESULT Set(const wchar_t* string) { return Set(string, lstrlenW(string)); }
HRESULT Append(const wchar_t* string) { return Append(string, lstrlenW(string)); }
// buffer
HRESULT Allocate(unsigned int cchNewSize);
void Compact(void);
wchar_t* GetBuffer(void) { return buffer; }
unsigned int GetBufferLength(void) { return allocated; }
void UpdateBuffer(void) { cchLen = lstrlenW(buffer); }
operator const wchar_t *() { return buffer; }
operator wchar_t *() { return buffer; }
wchar_t& operator [](unsigned int index) { return buffer[index]; }
MLString& operator = (const wchar_t *source) { (source) ? Set(source, lstrlenW(source)) : Clear(); return *this;}
MLString& operator + (const wchar_t *source) { if (source) Append(source, lstrlenW(source)); return *this;}
MLString& operator += (const wchar_t *source) { if (source) Append(source, lstrlenW(source)); return *this;}
MLString& operator = (MLString *source) { (source) ? source->CopyTo(this) : Clear(); return *this;}
MLString& operator + (MLString *source) { if (source) Append(source->GetBuffer(), source->GetLength()); return *this;}
MLString& operator += (MLString *source) { if (source) Append(source->GetBuffer(), source->GetLength()); return *this;}
protected:
wchar_t *buffer;
unsigned int cchLen;
unsigned int allocated;
static void *heap;
};
#endif // NULLOSFT_STRING_HEADER