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111e61a0a3
Co-authored-by: ShadowLarkens <shadowlarkens@gmail.com> Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>
40 lines
1.0 KiB
Plaintext
40 lines
1.0 KiB
Plaintext
/**
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* @file hooks.dm
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* Implements hooks, a simple way to run code on pre-defined events.
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*/
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/** @page hooks Code hooks
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* @section hooks Hooks
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* A hook is defined under /hook in the type tree.
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*
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* To add some code to be called by the hook, define a proc under the type, as so:
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* @code
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/hook/foo/proc/bar()
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if(1)
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return 1 //Sucessful
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else
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return 0 //Error, or runtime.
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* @endcode
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* All hooks must return nonzero on success, as runtimes will force return null.
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*/
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/**
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* Calls a hook, executing every piece of code that's attached to it.
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* @param hook Identifier of the hook to call.
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* @returns 1 if all hooked code runs successfully, 0 otherwise.
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*/
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/proc/callHook(hook, list/args=null)
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var/hook_path = text2path("/hook/[hook]")
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if(!hook_path)
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error("Invalid hook '/hook/[hook]' called.")
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return 0
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var/requester = new hook_path
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var/status = 1
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for(var/P in typesof("[hook_path]/proc"))
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if(!call(requester, P)(arglist(args)))
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error("Hook '[P]' failed or runtimed.")
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status = 0
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return status
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