CError.cpp

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#include "stdafx.h"
#include "CError.h"

namespace AxPipe {
    void
    CError::InError(int iError, _TCHAR *szError) {
        if (m_pPrev) {
            m_pPrev->InError(iError, szError);
        } else {
            if (m_iError != ERROR_CODE_SUCCESS) {
                delete[] szError;           // Free the message, won't happen otherwise
                return;                     // Always keep the first error reported, assume it's the 'root' cause
            }
            delete[] m_szError;             // If there happens to be something before...
            m_szError = szError;
            m_iError = iError;
        }
    }
    void
    CError::Init(CError *pPrev) {
        m_pPrev = pPrev;
    }
    CError::CError() {
        m_szError = NULL;
        m_pPrev = NULL;
        m_iError = ERROR_CODE_SUCCESS;
    }
    CError::~CError() {
        delete[] m_szError;
    }
    void
    CError::SetError(int iError, const _TCHAR *szError, const _TCHAR *szParam) {
        // wsprintf has a hard-coded limit of 1024.
        _TCHAR *szFmtError = new _TCHAR[1024];
        if (szFmtError) {
            // Use wprintf so as not to include the c-run time library version, for size.
            wsprintf(szFmtError, szError, szParam);
            InError(iError, szFmtError);
        }
    }
    _TCHAR *
    CError::GetErrorMsg() {
        if (m_pPrev) {
            return m_pPrev->GetErrorMsg();
        } else {
            return m_szError;
        }
    }
    int
    CError::GetErrorCode() {
        if (m_pPrev) {
            return m_pPrev->GetErrorCode();
        } else {
            return m_iError;
        }
    }
};

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