52 lines
2.2 KiB
C
52 lines
2.2 KiB
C
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#ifndef AUXILIAR_H
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#define AUXILIAR_H
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/*=========================================================================*\
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* Auxiliar routines for class hierarchy manipulation
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* LuaSocket toolkit (but completely independent of other LuaSocket modules)
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*
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* A LuaSocket class is a name associated with Lua metatables. A LuaSocket
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* group is a name associated with a class. A class can belong to any number
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* of groups. This module provides the functionality to:
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*
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* - create new classes
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* - add classes to groups
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* - set the class of objects
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* - check if an object belongs to a given class or group
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* - get the userdata associated to objects
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* - print objects in a pretty way
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*
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* LuaSocket class names follow the convention <module>{<class>}. Modules
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* can define any number of classes and groups. The module tcp.c, for
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* example, defines the classes tcp{master}, tcp{client} and tcp{server} and
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* the groups tcp{client,server} and tcp{any}. Module functions can then
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* perform type-checking on their arguments by either class or group.
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*
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* LuaSocket metatables define the __index metamethod as being a table. This
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* table has one field for each method supported by the class, and a field
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* "class" with the class name.
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*
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* The mapping from class name to the corresponding metatable and the
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* reverse mapping are done using lauxlib.
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\*=========================================================================*/
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#include "lua.h"
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#include "lauxlib.h"
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namespace NS_SLUA {
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int auxiliar_open(lua_State *L);
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void auxiliar_newclass(lua_State *L, const char *classname, luaL_Reg *func);
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void auxiliar_add2group(lua_State *L, const char *classname, const char *group);
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void auxiliar_setclass(lua_State *L, const char *classname, int objidx);
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void *auxiliar_checkclass(lua_State *L, const char *classname, int objidx);
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void *auxiliar_checkgroup(lua_State *L, const char *groupname, int objidx);
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void *auxiliar_getclassudata(lua_State *L, const char *groupname, int objidx);
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void *auxiliar_getgroupudata(lua_State *L, const char *groupname, int objidx);
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int auxiliar_checkboolean(lua_State *L, int objidx);
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int auxiliar_tostring(lua_State *L);
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int auxiliar_typeerror(lua_State *L, int narg, const char *tname);
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} // end NS_SLUA
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#endif /* AUXILIAR_H */
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