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Server 0.0.1
HTTP/REST server implementation
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Server 0.0.1
HTTP/REST server implementation
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00001 00027 #ifndef __CLASS_CLASS_H__ 00028 #define __CLASS_CLASS_H__ 00029 00030 #include <stdarg.h> 00031 #include <sys/types.h> 00032 #include <string.h> 00033 #include <assert.h> 00034 00035 #include "class/interface.h" 00036 00037 #ifndef _ISOC99_SOURCE 00038 #define _ISOC99_SOURCE 00039 #endif 00040 00041 #define CLASS_MAGIC 0xFEFE 00042 00043 #define CLASS(name) \ 00044 struct c_##name; \ 00045 typedef struct c_##name * name; \ 00046 extern struct class * const _##name; \ 00047 struct c_##name 00048 00049 #define EXTENDS(parent) \ 00050 const char _[sizeof(struct c_##parent)] 00051 00052 #define _NULL NULL 00053 #define CREATE_CLASS(name,_parent,...) \ 00054 static struct class c_##name; \ 00055 static class_ptr _classInit##name##_(void) { \ 00056 c_##name.parent = _##_parent; \ 00057 c_##name.init = NULL; \ 00058 return &c_##name; \ 00059 } \ 00060 static struct class c_##name = { \ 00061 CLASS_MAGIC, \ 00062 NULL, \ 00063 sizeof(struct c_##name), \ 00064 _classInit##name##_, \ 00065 INIT_IFACE_IMPL(__VA_ARGS__) \ 00066 }; struct class * const _##name = &c_##name 00067 00068 #define INIT_CLASS(class) ((class)->init? (class)->init() : (class)) 00069 #define GET_CLASS(object) (INIT_CLASS(*(class_ptr *)((void*)(object) - sizeof(void*)))) 00070 #define IFACE_GET(class,iface) (interfaceGet(&((class)->impl),(iface))) 00071 #define HAS_PARENT(class) (NULL != ((class)->parent) && INIT_CLASS((class)->parent)) 00072 00073 #define IS_OBJECT(obj) ((GET_CLASS((obj)))->magic == CLASS_MAGIC) 00074 #define INSTANCE_OF(class,obj) ((GET_CLASS((obj))) == _##class) 00075 00080 #define _CALL(_class,_iface,method,...) \ 00081 do { \ 00082 class_ptr class = _class; \ 00083 iface = (struct i_##_iface *)IFACE_GET(class, &i_##_iface); \ 00084 while ((NULL == iface || NULL == iface->method) && HAS_PARENT(class)) { \ 00085 class = class->parent; \ 00086 iface = (struct i_##_iface *)IFACE_GET(class, &i_##_iface); \ 00087 } \ 00088 assert(NULL != iface->method); \ 00089 } while(0) 00090 00091 #define CALL(object,_iface,method,...) \ 00092 do { \ 00093 struct i_##_iface * iface; \ 00094 _CALL(GET_CLASS(object), _iface, method, ##__VA_ARGS__); \ 00095 iface->method(object, ##__VA_ARGS__); \ 00096 } while(0) 00097 00098 #define RETCALL(object,_iface,method,ret,...) \ 00099 do { \ 00100 struct i_##_iface * iface; \ 00101 _CALL(GET_CLASS(object), _iface, method, ##__VA_ARGS__); \ 00102 ret = iface->method(object, ##__VA_ARGS__); \ 00103 } while(0) 00104 00105 #define PARENTCALL(object,_iface,method,...) \ 00106 do { \ 00107 struct i_##_iface * iface; \ 00108 class_ptr pc_class = GET_CLASS((object)); \ 00109 assert(HAS_PARENT(pc_class)); \ 00110 _CALL(pc_class->parent, _iface, method, ##__VA_ARGS__); \ 00111 iface->method(object, ##__VA_ARGS__); \ 00112 } while(0) 00113 00114 00115 struct class; 00116 typedef struct class * class_ptr; 00117 typedef class_ptr (* fptr_classInit)(void); 00118 struct class { 00119 const int magic; 00120 class_ptr parent; 00121 size_t object_size; 00122 fptr_classInit init; 00123 struct iface_impl impl; 00124 }; 00125 00126 #endif // __CLASS_CLASS_H__ 00127 00128 // vim: set ts=4 sw=4:
1.7.3 
