Can you do file I/O?

Thread view:

Enable EMail Alerts

Start New Thread

Thread rating:

SpreadTooThin - 28 Apr 2008 22:36 GMT

on an iPhone application?
is there a filesystem?
I have an application that reads text files and its failing to open a
file that is bundled with the application.

fb.open (fname.c_str(), std::ios::in);

this call fails... (I know its C++, but that I don't think is the
issue)

Reply to this Message

Tom Harrington - 29 Apr 2008 03:46 GMT

In article
<0a83773e-121f-403a-916d-bfc18e676c13@q24g2000prf.googlegroups.com>,

> on an iPhone application?
> is there a filesystem?
[quoted text clipped - 5 lines]
> this call fails... (I know its C++, but that I don't think is the
> issue)

Well, are you sure that fname has a valid path? That's the obvious
thing to check, and if you're not even sure if a filesystem is
available, how do you know you've got a valid path on that filesystem?

Signature

Tom "Tom" Harrington
Independent Mac OS X developer since 2002
http://www.atomicbird.com/

Reply to this Message

SpreadTooThin - 29 Apr 2008 14:55 GMT

On Apr 28, 8:46 pm, Tom Harrington <t...@pcisys.no.spam.dammit.net>
wrote:

> In article
> <0a83773e-121f-403a-916d-bfc18e676...@q24g2000prf.googlegroups.com>,
[quoted text clipped - 12 lines]
> thing to check, and if you're not even sure if a filesystem is
> available, how do you know you've got a valid path on that filesystem?

I checked the path/filename and it exists under the simulator,
But remember I'm running in the simulator and I just don't know how
closely the simulator is to the actual device.

> --
> Tom "Tom" Harrington
> Independent Mac OS X developer since 2002http://www.atomicbird.com/

Reply to this Message

Tom Harrington - 29 Apr 2008 20:51 GMT

In article
<46f65111-6b42-4031-b203-b80ccbbaee4d@r9g2000prd.googlegroups.com>,

> On Apr 28, 8:46 pm, Tom Harrington <t...@pcisys.no.spam.dammit.net>
> wrote:
[quoted text clipped - 18 lines]
> But remember I'm running in the simulator and I just don't know how
> closely the simulator is to the actual device.

Well, my NDA prevents me from getting too specific. But I don't think
I'm giving anything away by saying that it's probably a bad assumption
to assume that the same path will be correct in both cases. You could
stand to look at whatever code generates fname and make sure it's not
making assumptions that don't apply in both cases.

Signature

Tom "Tom" Harrington
Independent Mac OS X developer since 2002
http://www.atomicbird.com/

Reply to this Message

SpreadTooThin - 29 Apr 2008 21:46 GMT

On Apr 29, 1:51 pm, Tom Harrington <t...@pcisys.no.spam.dammit.net>
wrote:

> In article
> <46f65111-6b42-4031-b203-b80ccbbae...@r9g2000prd.googlegroups.com>,
[quoted text clipped - 31 lines]
> Tom "Tom" Harrington
> Independent Mac OS X developer since 2002http://www.atomicbird.com/

This is how the path to the file was derived....

std::string getDictionaryPath()
{
return(std::string([[[NSBundle mainBundle] resourcePath]
UTF8String]));
}
Does that help you any?

Reply to this Message

Mac Forum / Programming / Mac Programming / April 2008

Can you do file I/O?