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For Axter: RE:Email Problem

Posted on 2004-09-27
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Last Modified: 2010-04-01
I've tried your suggestion but am having problems.  Here is the code (used your example for multiple cc and bcc) and errors I get.  I hate to bother you but I really need help.  Thanks Joyce

#include "SendEmail.cpp"


int main()
      {
            const char* Hostname = "mailgate.sandia.gov";
            const char* UserID = "entrustt@sandia.gov";
            const char* To = "jazamor@sandia.gov";
            const char  *CCList[][64] = {"jazamor@sandia.gov","jazamor@sandia.gov","jazamor@sandia.gov"};
            const char  *BCCList[][64] = {"jazamor@sandia.gov","jazamor@sandia.gov","jazamor@sandia.gov"};
      
return 0;

}

void SendEmail(const std::string &Hostname, const std::string &UserID)
{
      std::list<std::string> CCList;
      CCList.push_back(CCList[0]);
      CCList.push_back(CCList[1]);
      CCList.push_back(CCList[2]);
      std::list<std::string> BCCList;
      BCCList.push_back(BCCList[0]);
      BCCList.push_back(BCCList[1]);
      BCCList.push_back(BCCList[2]);
      std::string Results = SendEmail(Hostname, UserID)(
             
            "*File Test x15: Please ignore this email.",
            "Test from SendEmail.  Please ignore this email.",
            &CCList,
            &BCCList);
      if (Results != SendEmail::NO_ERRORS)
      {
            printf("Error:\r\n");
            printf(Results.c_str());
            printf("\r\n\r\nPress ENTER to quit\r\n");
            getchar();
      }
}

These are the errors

Compiling...
EntrustEmail.cpp
C:\Documents and Settings\jazamor\Desktop\SendEMail\EntrustEmail.cpp(20) : error C2676: binary '[' : 'class std::list<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_strin
g<char,struct std::char_traits<char>,class std::allocator<char> > > >' does not define this operator or a conversion to a type acceptable to the predefined operator
C:\Documents and Settings\jazamor\Desktop\SendEMail\EntrustEmail.cpp(21) : error C2676: binary '[' : 'class std::list<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_strin
g<char,struct std::char_traits<char>,class std::allocator<char> > > >' does not define this operator or a conversion to a type acceptable to the predefined operator
C:\Documents and Settings\jazamor\Desktop\SendEMail\EntrustEmail.cpp(22) : error C2676: binary '[' : 'class std::list<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_strin
g<char,struct std::char_traits<char>,class std::allocator<char> > > >' does not define this operator or a conversion to a type acceptable to the predefined operator
C:\Documents and Settings\jazamor\Desktop\SendEMail\EntrustEmail.cpp(24) : error C2676: binary '[' : 'class std::list<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_strin
g<char,struct std::char_traits<char>,class std::allocator<char> > > >' does not define this operator or a conversion to a type acceptable to the predefined operator
C:\Documents and Settings\jazamor\Desktop\SendEMail\EntrustEmail.cpp(25) : error C2676: binary '[' : 'class std::list<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_strin
g<char,struct std::char_traits<char>,class std::allocator<char> > > >' does not define this operator or a conversion to a type acceptable to the predefined operator
C:\Documents and Settings\jazamor\Desktop\SendEMail\EntrustEmail.cpp(26) : error C2676: binary '[' : 'class std::list<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_strin
g<char,struct std::char_traits<char>,class std::allocator<char> > > >' does not define this operator or a conversion to a type acceptable to the predefined operator
C:\Documents and Settings\jazamor\Desktop\SendEMail\EntrustEmail.cpp(32) : error C2064: term does not evaluate to a function
Error executing cl.exe.

EntrustEmail.obj - 7 error(s), 0 warning(s)
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Question by:jazamor
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Expert Comment

by:Axter
Comment Utility
>>#include "SendEmail.cpp"

The above should be the following:
#include "SendEmail.h"

The main() function is not calling the SendEmail function, and it looks like the SendEmail function is calling itself.
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Expert Comment

by:Axter
Comment Utility
Here's a copy and paste of the example code listed in the bottom of the SendEmail.cpp file.

const char ToListTest[][64] = {"<davixd@axter.com>\"David\"","<sendemailtestx1@altavista.com>\"Bill Gate\"","sendemailtestx2@altavista.com","sendemailtestx3@altavista.com "};
const char CCListTest[][64] = {"sendemailtestx4@altavista.com","<sendemailtestx5@altavista.com>\"John Doe\"","sendemailtestx6@altavista.com"};
const char BCCListTest[][64] = {"sendemailtestx7@altavista.com","sendemailtestx8@altavista.com","sendemailtestx9@altavista.com"};

void ExampleFunctionToSendMailToMultipleToCC_AndBCC(const std::string &Hostname, const std::string &UserID, const std::string &UserPassword)
{//Example for Multiple TO fields CC and BCC field
      std::list<std::string> ToList;
      ToList.push_back(ToListTest[0]);
      ToList.push_back(ToListTest[1]);
      ToList.push_back(ToListTest[2]);
      std::list<std::string> CCList;
      CCList.push_back(CCListTest[0]);
      CCList.push_back(CCListTest[1]);
      CCList.push_back(CCListTest[2]);
      std::list<std::string> BCCList;
      BCCList.push_back(BCCListTest[0]);
      BCCList.push_back(BCCListTest[1]);
      BCCList.push_back(BCCListTest[2]);
      std::string Results = SendEmail(Hostname, UserID, UserPassword)(
            ToList,
            "*File Test x15x: Please ignore this email.",
            "Test from SendEmail.  Please ignore this email.",
            &CCList,
            &BCCList);
      if (Results != SendEmail::NO_ERRORS)
      {
            printf("Error:\r\n");
            printf(Results.c_str());
            printf("\r\n\r\nPress ENTER to quit\r\n");
            getchar();
      }
}
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Expert Comment

by:Axter
Comment Utility
In the code you posted, you're using the following variables that are inside the main() function:
          const char* Hostname = "mailgate.sandia.gov";
          const char* UserID = "entrustt@sandia.gov";
          const char* To = "jazamor@sandia.gov";
          const char  *CCList[][64] = {"jazamor@sandia.gov","jazamor@sandia.gov","jazamor@sandia.gov"};
          const char  *BCCList[][64] = {"jazamor@sandia.gov","jazamor@sandia.gov","jazamor@sandia.gov"};

They're all pointers, and if you look at the original code example, I'm not using pointers.
const char BCCListTest[][64] = {"sendemailtestx7@altavista.com","sendemailtestx8@altavista.com","sendemailtestx9@altavista.com"};

There's no asterik after "const char"

Also in your code you have the variable declared inside the main() but you did not pass these variables to your SendEmail function.
You should change the name of your function.  The function name is the same as the class name.
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Expert Comment

by:Axter
Comment Utility
Are you planning on hard coding the variables?
How do you plan to initialize the variables like (Hostname, UserID, To, CCList, & BCCList).

I can give you a better example if I new the source of the data.
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Author Comment

by:jazamor
Comment Utility
Right now I plann on hard coding the variables for Hostname and UserID.  I would eventually like to read in a list of email addresse either in the CCList or BCCList.  

  I've taken classes on c++ programing but have never written one.  I am hoping to learn as I go because this is my first time trying to do & figure out a program.
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Accepted Solution

by:
Axter earned 500 total points
Comment Utility
>>I've taken classes on c++ programing but have never written one.  I am hoping to learn as I go because this is my first
>>time trying to do & figure out a program.

I think you should make a wrapper function to simplify it.

I recommend not using pointers unless you really have to.

Hostname, UserID, and To variables are simple string variables, so you can initialize this like so:

const char Hostname[] = "mailgate.sandia.gov";
const char UserID[] = "entrustt@sandia.gov";
const char To[] = "jazamor@sandia.gov";

The CCList and BCCList variables are std::list type variables, and they're a little more complicated to initialize.

You could have a main function like the following:

#include <string>
#include <list>

#include "SendEmail.h"

int main()
{
     const char Hostname[] = "mailgate.sandia.gov";
     const char UserID[] = "entrustt@sandia.gov";
     const char To[] = "jazamor@sandia.gov";
     std::list<std::string> ToList;
     std::list<std::string> CCList ;
     std::list<std::string> BCCList;
     
     ToList.push_back(To);

     CCList .push_back("cc_user1@sandia.gov);
     CCList .push_back("cc_user2@sandia.gov);
     CCList .push_back("cc_use3@sandia.gov);

     BCCList.push_back("bcc_user1@sandia.gov);
     BCCList.push_back("bcc_user2@sandia.gov);
     BCCList.push_back("bcc_user3@sandia.gov);

     std::string Results = SendEmail(Hostname, UserID)(
          ToList,
          "*File Test x15x: Please ignore this email.",
          "Test from SendEmail.  Please ignore this email.",
          &CCList,
          &BCCList);
     if (Results != SendEmail::NO_ERRORS)
     {
          printf("Error:\r\n");
          printf(Results.c_str());
          printf("\r\n\r\nPress ENTER to quit\r\n");
          getchar();
     }
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Author Comment

by:jazamor
Comment Utility
Could you explain what a wrapper function is?  And can you recommend a good c++ book?
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Expert Comment

by:Axter
Comment Utility
>>Could you explain what a wrapper function is?  
A wrapper function is a function that simplifies more complex code.  It does most of the dirty work for you.


>>And can you recommend a good c++ book?

Check out the following links:
beginner's c++
http://www.accu.org/bookreviews/public/reviews/0sb/beginner_s_c__.htm

advanced c++
http://www.accu.org/bookreviews/public/reviews/0sb/advanced_c__.htm
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Expert Comment

by:Axter
Comment Utility
*free* eBook
http://mindview.net/Books/TICPP/ThinkingInCPP2e.html
("Electronic book: Thinking in C++, Second Edition (Volumes 1 & 2)")
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Author Comment

by:jazamor
Comment Utility
Thanks, I'll go ahead an accept your answer and try to use what you have given me already.  Thanks again for your help.
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Expert Comment

by:Axter
Comment Utility
>>Thanks again for your help.

Your welcome :-)
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