SysError Class Reference

#include <Exception.h>

Inheritance diagram for SysError:

Public Member Functions
	SysError (Exception *_cause=NULL)
	SysError (uint32_t _errorNo)
uint32_t	errorNo () const
virtual String	toString () const
Public Member Functions inherited from Exception
	Exception (Exception *_cause=NULL)
const Exception *	cause () const
String	toStringAll () const
virtual void	destroy ()
Public Member Functions inherited from Object
String	className () const
bool	isInstanceOf (const std::type_info &typeinfo) const
virtual const std::type_info &	typeInfo () const

Additional Inherited Members
Protected Member Functions inherited from Exception
virtual	~Exception ()
Protected Member Functions inherited from Object
virtual	~Object ()
	Object ()
Protected Attributes inherited from Exception
Exception *	__cause

Detailed Description

Definition at line 62 of file Exception.h.

Constructor & Destructor Documentation

SysError() [1/2]

SysError::SysError

(

Exception *

_cause = NULL

)

SysError() [2/2]

SysError::SysError

(

uint32_t

_errorNo

)

Definition at line 97 of file Exception.cpp.

{
    __errorNo = _errorNo;
}

Member Function Documentation

errorNo()

uint32_t SysError::errorNo ( ) const

inline

Definition at line 78 of file Exception.h.

{ return __errorNo; }

toString()

String SysError::toString ( ) const

virtual

Reimplemented from Exception.

Reimplemented in DllException, and IOException.

Definition at line 102 of file Exception.cpp.

{
    StringBuilder sb;
    if (__errorNo & DCL_ERROR_MASK) {
        ;
    }
#ifdef __WINNT__
    else if (__errorNo & WINAPI_ERROR_MASK) {
        uint32_t _errorNo = __errorNo & ERROR_VALUE_MASK;
        wchar_t* msg = NULL;
        DWORD dwLength = ::FormatMessageW( 
            FORMAT_MESSAGE_ALLOCATE_BUFFER | 
            FORMAT_MESSAGE_FROM_SYSTEM | 
            FORMAT_MESSAGE_IGNORE_INSERTS,
            NULL,
            _errorNo,
            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
            (LPWSTR) &msg,
            0,
            NULL 
        );
 
        if (dwLength > 0) {
            for ( ; dwLength; dwLength--)
                if (!(msg[dwLength - 1] == L'\r' || msg[dwLength - 1] == L'\n'))
                    break;
 
            sb.assign(msg, dwLength);
            LocalFree(msg);
 
            sb += L" (ERROR=";
            sb += UInt32::toString(_errorNo, 10);
            sb += L")";
        }
        else
            sb = L"::FormatMessage Fail!";
    }
#endif
    else {
        // errno
        uint32_t _errorNo = __errorNo & ERROR_VALUE_MASK;
 
#ifdef __WINNT__
        CharBuffer* buf = CharBuffer::create(256);
        if (_wcserror_s(buf->data(), buf->__allocLength, __errorNo))
            buf->release();
        else {
            buf->__dataLength = String::length(buf->data());
            __DCL_ASSERT(buf->data()[buf->__dataLength] == __T('\0'));
            sb.assign(buf);
            buf->release();
        }
#else
        // UNIX
        String s;
        if (__strerror(s, _errorNo) == 0)
            sb += s;
#endif
        sb += L" (errno=" + UInt32::toString(_errorNo, 10) + L")";
    }
    return sb;
}

---

The documentation for this class was generated from the following files:

• Exception.h
• Exception.cpp