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Bundles and the Resource Manager

A bundle can contain any number of files containing Resource Manager–style resources in their data forks. These resource files—which, by convention, have an extension of .rsrc —are treated as bundle resources just as any other kind of file under the Resources directory. It is possible to use Core Foundation Bundle Services to get a CFURL type to such a file, convert that to an FSRef type, and then open it using the Resource Manager. There are, however, two special resource files that Bundle Services manages for you if you provide them. One is for nonlocalized resources, and it is called executable name.rsrc, where executable name is the name of your main executable. This file is stored with the other nonlocalized resources, in the Resources directory. The other file is for localized resources, and it is called Localized.rsrc. This file is stored in the appropriate .lproj directory, one version for each language or region. Be sure that the resources are stored in the file’s data fork, not the resource fork.

When an application is launched, Bundle Services automatically attempts to open these files so that your application's resources are always available. For other bundles—frameworks and loadable bundles—you must do this yourself using the Bundle Services function provided specifically for this purpose.

If for some reason you are unable to convert your Carbon application to the bundle scheme, you can include the information property list (Info.plist) in your single-file application as a resource of type 'plst', id 0. See “CFM Executables” for more information.

Last updated: 2003-08-21

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