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From: "Ioannis Vranos" <ivr@guesswh.at.emails.ru>
Newsgroups: comp.lang.c++,comp.lang.ada
Subject: Re: "Ravenscar-like" profile for C/C++
Date: Mon, 26 Apr 2004 04:14:26 +0300
Organization: National Technical University of Athens, Greece
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Date: 2004-04-26T04:14:26+03:00
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"Jack Klein" <jackklein@spamcop.net> wrote in message
news:ev7o80lpud3gfmicusomjs5std2a0dimga@4ax.com...
>
> The phrase you used in the part of your overly long
> pedantic message that I snipped, "mission critical applications", is
> not, never has been, and never will be remotely similar.  In fact, it
> is nothing more than a marketing buzz word.


Why marketing buzz word? You can do something like:


#include <fstream>
#include <string>
#include <cctype>


class DictionaryFileException
{
};


class dictionaryFile
{
 std::ifstream dicFile;
 std::string dicFileName;

public:
 dictionaryFile(const std::string &filePath) throw (DictionaryFileException)
 {
  dicFileName=filePath;
  dicFile.open(filePath.c_str());

  if(dicFile.fail())
     throw DictionaryFileException();

  FileValidation();
 }

 void FileValidation() throw (DictionaryFileException)
 {
  using namespace std;

  char input[256];

  do
  {
   dicFile.get(input,256);

   if(isspace(input[0]) or (input[0]=='\\' and input[1]=='\\'))
    continue;

   else if(!isalpha(input[0]) and !isdigit(input[0]))
    throw DictionaryFileException();

  }while(!dicFile.eof());
 }
};



C++ provides the necessary structures to built very reliable, efficient and
mission critical systems. In the above i define what exceptions are expected
from each member function, and we can also use the Resrource Aquisition is
Initializatization technique which the standard library itself also uses.






Ioannis Vranos