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39 lines
1.1 KiB
39 lines
1.1 KiB
#ifndef __INTERFACE_H__
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#define __INTERFACE_H__
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#include <sys/types.h>
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#define MAX_IFACE 32 // ATTENTION: every iface_impl will use MAX_IFACE * sizeof(void*)
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#define IFACE(name) ((const struct i_##name const*)&i_##name##_impl)
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#define INIT_IFACE(name,...) \
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static const struct i_##name i_##name##_impl = {&i_##name,__VA_ARGS__}
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#define NUMARGS(...) (sizeof((const void*[]){__VA_ARGS__})/sizeof(void*))
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#define INIT_IMPL(...) {NUMARGS(__VA_ARGS__), 0, {__VA_ARGS__}}
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#define CREATE_IMPL(...) \
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static struct iface_impl iface_impl = INIT_IMPL(__VA_ARGS__)
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#define METHOD_GET(iface,method) (iface->method)
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struct interface {
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const char * name;
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const size_t nmethods;
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};
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typedef const struct interface * iface_ptr;
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struct iface_impl {
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const size_t nimpl; // number of interface implementations
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char simpl; // implementations sorted??
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const void * impl[MAX_IFACE]; // implementations
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};
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typedef struct iface_impl * iface_impl_ptr;
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extern struct interface * interfaceGet(iface_impl_ptr, const iface_ptr);
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#endif // __INTERFACE_H__
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// vim: set ts=4 sw=4:
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