xbexcept.cpp

一个通讯管理机的源代码。比较好用。推荐

/***************************************************************************
                          xbexcept.cpp  -  description
                             -------------------
    begin                : Thu Jan 17 2002
    copyright            : (C) 2002 by 
    email                : 
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
/*  $Id: xbexcept.cpp,v 1.7 2000/11/30 22:15:24 dbryson Exp $

    Xbase project source code

    This file contains exceptions for error reporting

    Copyright (C) 1998 Denis Pershin ([e-mail])

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Contact:

      Mail:

        Technology Associates, Inc.
        XBase Project
        1455 Deming Way #11
        Sparks, NV 89434
        USA

      Email:

        [e-mail]

      See our website at:

        xdb.sourceforge.net
*/

#ifdef __GNUG__
  #pragma implementation "xbexcept.h"
#endif

#ifdef __WIN32__
#include "xbconfigw32.h"
#else
#include "xbconfig.h"
#endif

#include <stdlib.h>

#include "xbase.h"
#include "retcodes.h"
#include "xbexcept.h"
#include "xtypes.h"

/*! \file xbexcept.cpp
*/

//! Short description.
/*!
  \param err
*/
const char *xbStrError(xbShort err)
{
  switch (err) {
  case XB_NO_ERROR:
    return "No error";
  case XB_EOF: 
    return "Xbase EoF";
  case XB_BOF: 
    return "XBase BoF";
  case XB_NO_MEMORY: 
    return "Out of memory";
  case XB_FILE_EXISTS: 
    return "File already exists";
  case XB_OPEN_ERROR: 
    return "Error opening file";
  case XB_WRITE_ERROR: 
    return "Error write to file";
  case XB_UNKNOWN_FIELD_TYPE: 
    return "Unknown field type";
  case XB_ALREADY_OPEN: 
    return "File already opened";
  case XB_NOT_XBASE: 
    return "File is not XBase";
  case XB_INVALID_RECORD: 
    return "Invalid record";
  case XB_INVALID_OPTION: 
    return "Invalid option";
  case XB_NOT_OPEN: 
    return "File not opened";
  case XB_SEEK_ERROR: 
    return "Seek error";
  case XB_READ_ERROR: 
    return "Read error";
  case XB_NOT_FOUND: 
    return "Not found";
  case XB_FOUND: 
    return "Found";
  case XB_INVALID_KEY: 
    return "Invalid key";
  case XB_INVALID_NODELINK: 
    return "Invalid nodelink";
  case XB_KEY_NOT_UNIQUE: 
    return "Key not unique";
  case XB_INVALID_KEY_EXPRESSION: 
    return "Invalid key expression";
  case XB_DBF_FILE_NOT_OPEN: 
    return "DBF file not open";
  case XB_INVALID_KEY_TYPE: 
    return "Invalid key type";
  case XB_INVALID_NODE_NO: 
    return "Invalid node no";
  case XB_NODE_FULL: 
    return "Node full";
  case XB_INVALID_FIELDNO: 
    return "Invalid field no";
  case XB_INVALID_DATA: 
    return "Invalid data";
  case XB_NOT_LEAFNODE: 
    return "Not leafnode";
  case XB_LOCK_FAILED: 
    return "Lock failed";
  case XB_CLOSE_ERROR: 
    return "Close error";
  case XB_INVALID_SCHEMA: 
    return "Invalid schema";
  case XB_INVALID_NAME: 
    return "Invlaid name";
  case XB_INVALID_BLOCK_SIZE: 
    return "Invalid block size";
  case XB_INVALID_BLOCK_NO: 
    return "Invalid block no";
  case XB_NOT_MEMO_FIELD: 
    return "Not memo field";
  case XB_NO_MEMO_DATA: 
    return "No memo data";
  case XB_EXP_SYNTAX_ERROR: 
    return "Expression syntax error";
  case XB_PARSE_ERROR: 
    return "Parse error";
  case XB_NO_DATA: 
    return "No data";
  case XB_UNKNOWN_TOKEN_TYPE: 
    return "Unknown token type";
  case XB_INVALID_FIELD: 
    return "Invalid field";
  case XB_INSUFFICIENT_PARMS: 
    return "Insufficient parameters";
  case XB_INVALID_FUNCTION: 
    return "Invalid function";
  case XB_INVALID_FIELD_LEN: 
    return "Invalid field len";
  default: 
    return "Unknown exception";
  }
}

#ifdef HAVE_EXCEPTIONS

#include <string.h>
#include <errno.h>

//! Short description.
/*!
  \param err
*/
xbException::xbException (int err) {
    this->err = err;
}

//! Short description.
/*!
*/
xbException::~xbException () XB_THROW {
}

//! Short description.
/*!
*/
const char* xbException::what() const XB_THROW {
  return "xbException"; 
};

//! Short description.
/*!
*/
int xbException::getErr() {
  return err;
};

//! Short description.
/*!
*/
const char *xbException::error() {
  return xbStrError(err);
}

//! Short description.
/*!
  \param err
*/
xbIOException::xbIOException (int err) : xbException(err) {
   m_errno = errno;
  name = NULL;
}

//! Short description.
/*!
  \param err
  \param n
*/
xbIOException::xbIOException (int err, const char *n) : xbException(err) {
   name = n;
   m_errno = errno;
}

//! Short description.
/*!
*/
xbIOException::~xbIOException () XB_THROW {
}

//! Short description.
/*!
*/
const char* xbIOException::what() const XB_THROW {
  return "xbIOException"; 
};

//! Short description.
/*!
*/
const char *xbIOException::_errno() const {
   return (strerror(m_errno));
}

//! Short description.
/*!
*/
xbOpenException::xbOpenException () : xbIOException(XB_OPEN_ERROR) {
}

//! Short description.
/*!
  \param n
*/
xbOpenException::xbOpenException (const char *n) : xbIOException(XB_OPEN_ERROR, n) {
}

//! Short description.
/*!
*/
xbOpenException::~xbOpenException () XB_THROW {
}

//! Short description.
/*!
*/
const char* xbOpenException::what() const XB_THROW {
  return "xbOpenException"; 
};

//! Short description.
/*!
*/
xbEoFException::xbEoFException () : xbIOException(XB_EOF) {
}

//! Short description.
/*!
*/
xbEoFException::~xbEoFException () XB_THROW {
}

//! Short description.
/*!
*/
const char* xbEoFException::what() const XB_THROW {
  return "xbEoFException"; 
};

//! Short description.
/*!
*/
xbOutOfMemoryException::xbOutOfMemoryException () : xbException(XB_NO_MEMORY) {
}

//! Short description.
/*!
*/
xbOutOfMemoryException::~xbOutOfMemoryException () XB_THROW {
}

//! Short description.
/*!
*/
const char* xbOutOfMemoryException::what() const XB_THROW {
  return "xbOutOfMemoryException"; 
};

#endif