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/*
* Aiksaurus - An English-language thesaurus library
* Copyright (C) 2001-2002 by Jared Davis
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "AiksaurusException.h" // Header we're implementing.
#include <cassert>
#include <string> // for std::string
#include <cstring> // for strcpy
#include <new> // for std::bad_alloc
using namespace std;
#if defined WIN32
extern std::string AIK_DATA_DIR;
#endif
namespace AiksaurusImpl
{
const char* AiksaurusException::MemoryError =
"Error: Cannot Allocate Memory\n"
"No memory was available for the Thesaurus. You \n"
"could try closing some other programs to make more \n"
"memory available.\n";
AiksaurusException::AiksaurusException(const AiksaurusException& rhs) throw()
{
try {
d_description = rhs.getDescription();
}
catch(std::bad_alloc)
{
d_description = MemoryError;
}
}
AiksaurusException::AiksaurusException(Code code) throw()
{
assert(
(code == CANNOT_OPEN_MEANINGS_FILE) ||
(code == CORRUPT_MEANINGS_FILE) ||
(code == CANNOT_OPEN_WORDS_FILE) ||
(code == CORRUPT_WORDS_FILE) ||
(code == CANNOT_ALLOCATE_MEMORY)
);
if (code == CANNOT_ALLOCATE_MEMORY)
{
return;
}
try
{
switch(code)
{
case CANNOT_OPEN_MEANINGS_FILE:
d_description = "Error: Cannot Open Meanings File\n"
"There has been a problem opening the file:\n ";
d_description += AIK_DATA_DIR;
d_description += "meanings.dat\n\n"
"This most likely indicates that the file has been \n"
"moved or deleted. If you cannot find the file, you \n"
"can download a new copy from: \n"
" http://www.aiksaurus.com/_support/015/meanings.dat\n";
break;
case CORRUPT_MEANINGS_FILE:
d_description = "Error: Corrupt Meanings File\n"
"There has been a problem reading the file:\n ";
d_description += AIK_DATA_DIR;
d_description += "meanings.dat\n\n"
"The file exists, but was not read correctly. Either \n"
"the file has become corrupt or this is a bug. \n\n"
"Please download a new copy of the file from: \n"
" http://www.aiksaurus.com/_support/015/meanings.dat\n\n"
"If this does not fix the problem, please contact \n"
" jared@aiksaurus.com\n";
break;
case CANNOT_OPEN_WORDS_FILE:
d_description = "Error: Cannot Open Words File\n"
"There has been a problem opening the file:\n ";
d_description += AIK_DATA_DIR;
d_description += "words.dat\n\n"
"This most likely indicates that the file has been \n"
"moved or deleted. If you cannot find the file, you \n"
"can download a new copy from: \n"
" http://www.aiksaurus.com/_support/015/words.dat\n";
break;
case CORRUPT_WORDS_FILE:
d_description = "Error: Corrupt Words File\n"
"There has been a problem reading the file:\n ";
d_description += AIK_DATA_DIR;
d_description += "words.dat\n\n"
"The file exists, but was not read correctly. Either \n"
"the file has become corrupt or this is a bug. \n\n"
"Please download a new copy of the file from: \n"
" http://www.aiksaurus.com/_support/015/words.dat\n\n"
"If this does not fix the problem, please contact \n"
" jared@aiksaurus.com\n";
break;
default:
// shut up the compiler about not handling CANNOT_ALLOCATE_MEMORY
// in the switch statement. We handled it before.
break;
}
}
catch(std::bad_alloc)
{
d_description = "";
}
}
AiksaurusException::~AiksaurusException() throw()
{
}
const char*
AiksaurusException::getDescription() const throw()
{
try {
return (d_description != "") ? d_description.c_str() : MemoryError;
}
catch(std::bad_alloc) {
return MemoryError;
}
}
}
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