They are not intended to be used by a plug-in runtime. From the main program perspective a plug-in context is a container for installed plug-ins. There can be several plug-in context instances if there are several independent sets of plug-ins. However, different plug-in contexts are not very isolated from each other in practice because the global symbols exported by a plug-in runtime in one context are visible to all plug-ins in all context instances.
Functions | |
cp_context_t * | cp_create_context (cp_status_t *status) |
Creates a new plug-in context which can be used as a container for plug-ins. | |
void | cp_destroy_context (cp_context_t *ctx) |
Destroys the specified plug-in context and releases the associated resources. | |
cp_status_t | cp_register_pcollection (cp_context_t *ctx, const char *dir) |
Registers a plug-in collection with a plug-in context. | |
void | cp_unregister_pcollection (cp_context_t *ctx, const char *dir) |
Unregisters a previously registered plug-in collection from a plug-in context. | |
void | cp_unregister_pcollections (cp_context_t *ctx) |
Unregisters all plug-in collections from a plug-in context. |
cp_context_t* cp_create_context | ( | cp_status_t * | status | ) |
Creates a new plug-in context which can be used as a container for plug-ins.
Plug-ins are loaded and installed into a specific context. The main program may have more than one plug-in context but the plug-ins that interact with each other should be placed in the same context. The resources associated with the context are released by calling cp_destroy_context when the context is not needed anymore. Remaining contexts are automatically destroyed when the plug-in framework is destroyed.
status | pointer to the location where status code is to be stored, or NULL |
void cp_destroy_context | ( | cp_context_t * | ctx | ) |
Destroys the specified plug-in context and releases the associated resources.
Stops and uninstalls all plug-ins in the context. The context must not be accessed after calling this function.
ctx | the context to be destroyed |
cp_status_t cp_register_pcollection | ( | cp_context_t * | ctx, | |
const char * | dir | |||
) |
Registers a plug-in collection with a plug-in context.
A plug-in collection is a directory that has plug-ins as its immediate subdirectories. The plug-in context will scan the directory when cp_scan_plugins is called. Returns CP_OK if the directory has already been registered. A plug-in collection can be unregistered using cp_unregister_pcollection or cp_unregister_pcollections.
ctx | the plug-in context | |
dir | the directory |
void cp_unregister_pcollection | ( | cp_context_t * | ctx, | |
const char * | dir | |||
) |
Unregisters a previously registered plug-in collection from a plug-in context.
Plug-ins already loaded from the collection are not affected. Does nothing if the directory has not been registered. Plug-in collections can be registered using cp_register_pcollection.
ctx | the plug-in context | |
dir | the previously registered directory |
void cp_unregister_pcollections | ( | cp_context_t * | ctx | ) |
Unregisters all plug-in collections from a plug-in context.
Plug-ins already loaded are not affected. Plug-in collections can be registered using cp_register_pcollection.
ctx | the plug-in context |
Generated on Fri Apr 6 15:40:55 2007 for C-Pluff C API by 1.5.1