C++ compatibility library for Objective-C
Objective-CPP is a library intended to ease software development using Objective-C++.

It declares categories on Objective-C classes, to work with the STL C++ types, such as std::string, std::vector, etc.

For instance, with Objective-CPP, you can call every method of the NSString class passing std::string objects, instead of NSString objects. The same applies for the return types, as you can get seamlessly std::string objects out of NSString objects.

Here's a little example with NSString:

{
    NSString * objcString = @"hello, world";
    std::string cppString = [ objcString cppStringUsingEncoding: NSUTF8StringEncoding ];
    
    std::cout << cppString << std::endl;
}

And the same in the other way:

{
    std::string cppString = "hello, world";
    NSString * objcString = [ NSString stringWithCPPString: cppString encoding: NSUTF8StringEncoding ];
    
    NSLog( @"%@", objcString );
}

Objective-CPP expands the NSString class with a category, adding support for C++ strings (std::string).
All methods from NSString can then return a std::string instead of a NSString *, or take std::string arguments instead of NSString * arguments.

By default, Objective-CPP uses UTF-8 as default encoding for strings, for converting NSString objects into C++ string objects, and reverse.
You can set another encoding using the new 'setDefaultCPPStringEncoding' class method of NSString:

[ NSString setDefaultCPPStringEncoding: NSASCIIStringEncoding ];

Objective-CPP is released under the terms of the MIT License.

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