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An Objective C Framework similar to Ruby-on-Rails
Objective-C Ruby C
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**** Newm - a Web Framework for Objective-C **** This is Newm. Newm is a framework for writing web applications in Objective-C, loosely modeled after Ruby-on-Rails. It's goal is to make web applications easy to write, maintain, and deploy. *** Why Objective-C? What's wrong with Ruby-on-Rails? *** There are several issues: 1) Ruby is slow. Like really slow. Most interpreted languages are, and Ruby is painfully slow. The reason we switched to interpreted languages wasn't because there was some magic benefit to having slower programs, but because it allowed us to write code that wasn't painful. But Objective-C gives us 90% of the ease-of-use of scripting languages, but it's compiled, with real, native types, that make it go very fast. 2) Ruby is not statically typed. This is often billed as an argument in favor of Ruby. But in fact, this causes problems. If you rename a variable, but forget to rename all the places you used it, you just created a time-bomb for your code. Ruby doesn't care - the syntax is still right. You're users will just get a magic 500 error somewhere down the line. Suckers. But with a statically-typed language, the compiler checks your code. This doesn't remove 100% of bugs, but realistically it catches between 60% and 80% of your bugs before you even run or test the code. There are ways around static typing in Objective-C, but one of the goals of Newm is to *NOT* get around the static typing, but instead use it to our full advantage. 3) Ruby configuration is a nightmare. In a compiled app, you specify what libraries you want. You can statically link them in. You can deploy by just copying the binary file. Almost like magic! 4) Rails deployment is a nighttmare. Because it is interpreted, it is not uncommon for Rails to have 5-10 second startup time. That means, if you want a process handling a request, it has to be in place *BEFORE* serving it up. Newm startup is nearly instantaneous. You can run it as a CGI from Apache, and *still* be 5x faster than Rails. Then, at the end of the process, it just exits. It doesn't sit around guzzling memory on your server. It's time to take control back from your application server. It's time for Newm. *** Status *** Right now, Newm is in the *very* early stages of development. It does not itself include any database connectivity (though you can use OSX's Core Data), session handling, or a lot of view helpers. It does include route maps, controllers, actions, views, and layouts. If you are currently imagining a feature, it is probably not implemented yet. Feel free to contribute! *** Installation *** Newm comes with a simple test app. Simple is an overstatement, but you can see a few features. To build on OSX, go into the src directory and issue the following command: make This will build the framework, preprocess the views, build the app, and install it as public/newmapp.cgi Then, you need to point your webserver at the public directory. Make sure that you have the "AllowOverride All" setting somewhere in httpd.conf. If you have made the "public" directory the root of your localhost server, you can then see the test view by going to: http://localhost/bbb/myAction3 This will put out the myAction3 view of the MyTestController controller, wrapped in the MyTestController layout. Take a look at the MyNewmApp.m file to get a feel for how routes are built. Right now, it helps if you have some Rails experience before working with Newm, because I don't have any tutorials about how it works or what the terminology is. Take a look at the test app and see what you can figure out. If you need help, or want to contribute, email me at firstname.lastname@example.org. It will probably help to put "Newm" somewhere in the subject line.