|
| From: | Charles Tassell |
| Subject: | [help-cgicc] Re: help-cgicc digest, Vol 1 #127 - 1 msg |
| Date: | Mon, 21 Oct 2002 15:49:02 -0300 |
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Today's Topics:
1. Annoying problem... (Spam)
--__--__--
Message: 1
Reply-To: <address@hidden>
From: "Spam" <address@hidden>
To: <address@hidden>
Date: Sat, 19 Oct 2002 15:19:50 -0400
Subject: [help-cgicc] Annoying problem...
Ok, here is my situation: I am in the process of creating a Text
Database that will use XML files to imitate a database. It will be used
in CGI applications. I created a very simple structure on my own
computer using Microsoft Visual Studio 6. Then, all I want to do is
upload those files, and use g++ on the server to compile the code into
the actual CGI file. The whole thing works perfectly fine on my
computer, but when I try to use g++, I get the following errors:
bash-2.05$ g++ try.cpp
/tmp/ccACQPoE.o: In function `main':
/tmp/ccACQPoE.o(.text+0x2e): undefined reference to
`textdb::TextDB::TextDB(void)'
/tmp/ccACQPoE.o(.text+0x57): undefined reference to
`textdb::TextDB::connect(basic_string<char, string_char_traits<char>,
__default_alloc_template<true, 0> >)'
/tmp/ccACQPoE.o(.text+0x149): undefined reference to
`textdb::TextDBException::TextDBException(textdb::TextDBException const
&)'
collect2: ld returned 1 exit status
Here are all of the files. There are 5 in all, and each file is noted:
PLEASE, any help will be very appreciated, I spent all yesterday
searching the internet for a possible solution to this, and I couldn't
find anything. Is it a problem with the linker or something?
here is my g++ version:
bash-2.05$ g++ -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.2 2.96-108.7.2)
***********
* try.cpp *
***********
#include <string>
#include <cstdio>
#include "textdb.h"
#include "textdbex.h"
using namespace std;
int main() {
printf("Content-type: text/html\n\n");
printf("<html>\n<head>\n<title>TextDB</title>\n</head>\n<body>\n");
try {
textdb::TextDB db;
db.connect("");
} catch(textdb::TextDBException &ex) {
printf("TextDBConnectionException: %s",ex.what());
throw ex;
}
printf("\nWorks");
printf("\n</body>\n</html>\n");
return 0;
}
************
* textdb.h *
************
#ifndef _TEXTDB_H
#define _TEXTDB_H
#include <string>
#include "textdbex.h"
using namespace std;
namespace textdb {
class TextDB {
public:
TextDB();
void connect(string directory);
protected:
string db_location;
};
}
#endif
**************
* textdb.cpp *
**************
#include <string>
#include "textdbex.h"
#include "textdb.h"
using namespace std;
namespace textdb {
TextDB::TextDB() {
db_location = "";
}
void TextDB::connect(string directory) throw(TextDBException) {
if(directory == "") {
throw TextDBConnectionException("Database
directory not provided.");
}
}
}
**************
* textdbex.h *
**************
#ifndef _TEXTDBEX_H
#define _TEXTDBEX_H
#include <string>
using namespace std;
namespace textdb {
class TextDBException {
public:
TextDBException();
TextDBException(const string &);
TextDBException(const TextDBException &);
virtual const char* what() const {return
msg.c_str();};
protected:
string msg;
};
class TextDBConnectionException : public TextDBException {
public:
TextDBConnectionException();
TextDBConnectionException(const string &);
TextDBConnectionException(const
TextDBConnectionException &);
};
}
#endif
****************
* textdbex.cpp *
****************
#include <string>
#include "textdbex.h"
using namespace std;
namespace textdb {
/*
TextDBException Class
*/
TextDBException::TextDBException() {
msg = "";
}
TextDBException::TextDBException(const string &_msg) {
msg = _msg;
}
TextDBException::TextDBException(const TextDBException &tdbe) {
msg = tdbe.msg;
}
/*
TextDBConnectionException Class
*/
TextDBConnectionException::TextDBConnectionException()
: TextDBException()
{}
TextDBConnectionException::TextDBConnectionException(const
string &_msg)
: TextDBException(_msg)
{}
TextDBConnectionException::TextDBConnectionException(const
TextDBConnectionException &_tdbce)
: TextDBException(_tdbce)
{}
}
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