class data storage c++

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Hi all, I'm looking for a way to save class data for a game I'm developing and need to save it as a binary file for a savegame and a text file for user settings.
I did find an article on Google about saving binary files but couldn't find it again,
Thanks in advance for the answers.

Posted 6-Oct-10 1:43am

ryan20fun

Updated 6-Oct-10 2:12am

LittleYellowBird

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ryan20fun 6-Oct-10 7:47am

Sorry if there arnt enough tags but I couldent
Get other tags to work like class data storage,
It was the only one it accepted

3 solutions

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#realJSOP · Accepted Answer · 2010-10-06T02:19:00

Solution 1

Why not just save it as XML? Here's an article that will help you save/load a simple xml data file:

XML Application Profile Class[^]

Posted 6-Oct-10 2:19am

#realJSOP

Aescleal · Accepted Answer · 2010-10-06T05:32:00

Solution 2

If you want to save anything then streams are the answer - implement:

std::ostream &operator<<( std::ostream &, const object & );

and:

std::istream &operator>>( std::istream &, const object & );

for your class and snip, snip, Bob's yer Aunty.

How difficult this will be depends on how you've structured your data.

Cheers,

Ash

Posted 6-Oct-10 5:32am

Aescleal

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Dalek Dave 7-Oct-10 3:38am

Good Call.

Cedric Moonen · Accepted Answer · 2010-10-06T20:54:00

I suggest this series of article: A serialization primer - Part 1[^]. Of course, this is related to MFC but at least you can learn some interesting things and adapt those to your own case.
As John already suggested, I would use XML to save the user settings. But only for the settings, the data of your game should be saved as binary file.