streams: files -> char*

[Aaron]

I have some existing code that accepts a filename, opens that file, and
then processes it line-by-line. What I want to do is modify this
routine so that instead I can simply pass a huge char* string and it
will parse that just as it currently does the file contents. I am
still wrapping my head around streams and was wondering if there was a
simple way to modify the below code to accomodate this change. Your
time, and any assistance you could provide, is greatly appreciated. I
just don't know where to go to find this kind of information.

Aaron.

--BEGIN CODE--
ifstream designFile(dF);
if(designFile.f ail() )
{
cout << "could not open " << dF << endl;
return(false);
}

char c;
do{
designFile >> c;
if( designFile.eof( ) )
break;

//do stuff
}
--END CODE--

[Mike Wahler]

Re: streams: files -&gt; char*


"Aaron" <aaron@daltons. ca> wrote in message
news:1132103313 .362896.155980@ g44g2000cwa.goo glegroups.com.. .[color=blue]
>I have some existing code that accepts a filename, opens that file, and
> then processes it line-by-line. What I want to do is modify this
> routine so that instead I can simply pass a huge char* string and it
> will parse that just as it currently does the file contents. I am
> still wrapping my head around streams and was wondering if there was a
> simple way to modify the below code to accomodate this change. Your
> time, and any assistance you could provide, is greatly appreciated. I
> just don't know where to go to find this kind of information.
>
> Aaron.
>
> --BEGIN CODE--
> ifstream designFile(dF);
> if(designFile.f ail() )
> {
> cout << "could not open " << dF << endl;
> return(false);
> }
>
> char c;
> do{
> designFile >> c;
> if( designFile.eof( ) )
> break;
>
> //do stuff
> }
> --END CODE--
>[/color]

void f(const char *s)
{
char c;
std::istringstr eam iss(s);
do{
iss >> c;
// etc
} while(/* whatever */);
}

'istringstream' is declared by <sstream>

-Mike

[Aaron]

Re: streams: files -&gt; char*

Thank you, Mike. That did the trick beautifully.

Aaron