/*************************************************************************** gbx_c_class.c (c) 2000-2012 BenoƮt Minisini This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ***************************************************************************/ #define __GBX_C_CLASS_C #include "gbx_info.h" #ifndef GBX_INFO #include #include "gb_common.h" #include "gbx_api.h" #include "gbx_component.h" #include "gbx_project.h" #include "gbx_class.h" #include "gbx_class_desc.h" #include "gbx_exec.h" #include "gbx_event.h" #include "gbx_object.h" #include "gbx_c_array.h" #include "gbx_c_observer.h" #include "gbx_c_class.h" static CLASS_DESC_SYMBOL *_current_symbol = NULL; static void error(int code, CLASS *class, const char *name) { GB_Error((char *)(intptr_t)code, CLASS_get_name(class), name); } static CLASS_DESC *get_desc(CLASS *class, const char *name) { int index; index = CLASS_find_symbol(class, name); //fprintf(stderr, "CLASS_find_symbol('%s', '%s') = %ld\n", CLASS_get_name(class), name, index); if (index == NO_SYMBOL) { error(E_NSYMBOL, class, name); return NULL; } else return class->table[index].desc; } //---- Components --------------------------------------------------------- BEGIN_METHOD(Components_get, GB_STRING name) const char *name = GB_ToZeroString(ARG(name)); COMPONENT *comp; comp = COMPONENT_find(name); GB_ReturnObject(comp); END_METHOD BEGIN_PROPERTY(Components_Count) GB_ReturnInt(COMPONENT_count); END_PROPERTY BEGIN_METHOD_VOID(Components_next) COMPONENT **plib = (COMPONENT **)GB_GetEnum(); *plib = COMPONENT_next(*plib); if (*plib == NULL) GB_StopEnum(); else GB_ReturnObject(*plib); END_METHOD BEGIN_PROPERTY(Component_Name) GB_ReturnConstZeroString(OBJECT(COMPONENT)->name); END_PROPERTY BEGIN_PROPERTY(Component_Path) GB_ReturnString(COMPONENT_path); END_PROPERTY BEGIN_METHOD(Component_Load, GB_STRING name) const char *name = GB_ToZeroString(ARG(name)); COMPONENT *comp; comp = COMPONENT_find(name); if (!comp) comp = COMPONENT_create(name); COMPONENT_load(comp); GB_ReturnObject(comp); END_METHOD BEGIN_METHOD(Component_IsLoaded, GB_STRING name) const char *name = GB_ToZeroString(ARG(name)); COMPONENT *comp; comp = COMPONENT_find(name); GB_ReturnBoolean(comp && comp->loaded); END_METHOD //---- Classes ------------------------------------------------------------ BEGIN_METHOD(Classes_get, GB_STRING name) const char *name = GB_ToZeroString(ARG(name)); CLASS *class = NULL; if (name != NULL) class = CLASS_look(name, LENGTH(name)); if (class == NULL) { GB_Error("Unknown class '&1'", name); return; } if (!class->state) { GB_Error("Class is not loaded"); return; } GB_ReturnObject(class); END_METHOD BEGIN_METHOD(Class_Load, GB_STRING name) CLASS *class; class = CLASS_get(GB_ToZeroString(ARG(name))); GB_ReturnObject(class); END_METHOD /* BEGIN_METHOD_VOID(Classes_next) TABLE *table = CLASS_get_table(); int *index = (int *)GB_GetEnum(); CLASS *class; for(;;) { if (*index >= TABLE_count(table)) { GB_StopEnum(); break; } class = ((CLASS_SYMBOL *)TABLE_get_symbol(table, *index))->class; (*index)++; if (class->state) { GB_ReturnObject(class); break; } } END_METHOD */ BEGIN_METHOD_VOID(Classes_next) CLASS **pcurrent = (CLASS **)GB_GetEnum(); CLASS *class; class = *pcurrent; for(;;) { if (!class) class = CLASS_get_list(); else class = class->next; if (!class) { GB_StopEnum(); break; } if (class->state) { GB_ReturnObject(class); break; } } *pcurrent = class; END_METHOD BEGIN_PROPERTY(Classes_count) GB_ReturnInt(CLASS_count()); END_PROPERTY //---- Class -------------------------------------------------------------- BEGIN_PROPERTY(Class_Name) GB_ReturnConstZeroString(OBJECT(CLASS)->name); END_PROPERTY BEGIN_PROPERTY(Class_Count) GB_ReturnInt(OBJECT(CLASS)->count); END_PROPERTY BEGIN_PROPERTY(Class_Hidden) GB_ReturnBoolean(*(CLASS_get_name(OBJECT(CLASS))) == '.'); END_PROPERTY BEGIN_PROPERTY(Class_Native) GB_ReturnBoolean(CLASS_is_native(OBJECT(CLASS))); END_PROPERTY BEGIN_PROPERTY(Class_Component) GB_ReturnObject(OBJECT(CLASS)->component); END_PROPERTY BEGIN_PROPERTY(Class_Parent) GB_ReturnObject(OBJECT(CLASS)->parent); END_PROPERTY BEGIN_PROPERTY(Class_Symbols) CLASS *class = OBJECT(CLASS); GB_ARRAY array; CLASS_DESC_SYMBOL *cds; int index = 0; GB_ArrayNew(&array, T_STRING, 0); for(;;) { cds = CLASS_get_next_sorted_symbol(class, &index); if (!cds) break; *((char **)GB_ArrayAdd(array)) = STRING_new(cds->name, cds->len); } GB_ReturnObject(array); END_PROPERTY BEGIN_METHOD(Class_get, GB_STRING name) CLASS *class = OBJECT(CLASS); CLASS_DESC_SYMBOL *cd = NULL; const char *name = GB_ToZeroString(ARG(name)); if (name != NULL) cd = CLASS_get_symbol(class, name); if (cd == NULL) { GB_Error("Unknown symbol '&1'", name); return; } _current_symbol = cd; GB_ReturnObject(class); END_METHOD BEGIN_METHOD(Class_Exist, GB_STRING name) CLASS *class = OBJECT(CLASS); const char *name = GB_ToZeroString(ARG(name)); GB_ReturnBoolean(name != NULL && CLASS_get_symbol(class, name) != NULL); END_METHOD BEGIN_PROPERTY(Class_Instance) GB_ReturnObject(OBJECT(CLASS)->instance); END_PROPERTY BEGIN_METHOD_VOID(Class_AutoCreate) CLASS *class = OBJECT(CLASS); if (!class->auto_create) GB_ReturnNull(); else GB_ReturnObject(CLASS_auto_create(class, 0)); END_METHOD BEGIN_METHOD(Class_New, GB_OBJECT params) CLASS *class = OBJECT(CLASS); GB_ARRAY params = VARGOPT(params, NULL); int i, np = 0; void *object; if (params) np = GB_ArrayCount(params); if (np) { STACK_check(np); for (i = 0; i < np; i++) { CARRAY_get_value(params, i, SP); PUSH(); } } object = EXEC_create_object(class, np, NULL); OBJECT_UNREF_KEEP(object, "Class_New"); GB_ReturnObject(object); END_METHOD //---- Symbol ------------------------------------------------------------- BEGIN_PROPERTY(Symbol_Name) GB_ReturnConstString(_current_symbol->name, _current_symbol->len); END_PROPERTY BEGIN_PROPERTY(Symbol_Kind) CLASS_DESC_SYMBOL *cds = _current_symbol; switch(CLASS_DESC_get_type(cds->desc)) { case CD_VARIABLE: case CD_STATIC_VARIABLE: GB_ReturnInt(1); return; case CD_PROPERTY: case CD_PROPERTY_READ: case CD_STATIC_PROPERTY: case CD_STATIC_PROPERTY_READ: GB_ReturnInt(2); return; case CD_METHOD: case CD_STATIC_METHOD: GB_ReturnInt(3); return; case CD_EVENT: GB_ReturnInt(4); return; case CD_CONSTANT: GB_ReturnInt(5); return; default: GB_ReturnInt(0); return; } END_PROPERTY BEGIN_PROPERTY(Symbol_Static) CLASS_DESC_SYMBOL *cds = _current_symbol; GB_ReturnBoolean(index(CD_STATIC_LIST, CLASS_DESC_get_type(cds->desc)) != NULL); END_PROPERTY BEGIN_PROPERTY(Symbol_Hidden) CLASS_DESC_SYMBOL *cds = _current_symbol; GB_ReturnBoolean(*cds->name == '_'); END_PROPERTY BEGIN_PROPERTY(Symbol_ReadOnly) CLASS_DESC_SYMBOL *cds = _current_symbol; switch (CLASS_DESC_get_type(cds->desc)) { case CD_PROPERTY: case CD_STATIC_PROPERTY: GB_ReturnBoolean(FALSE); break; default: GB_ReturnBoolean(TRUE); break; } END_PROPERTY BEGIN_PROPERTY(Symbol_Type) CLASS_DESC_SYMBOL *cds = _current_symbol; GB_ReturnConstZeroString(TYPE_to_string(cds->desc->property.type)); /* Valable pour tout symbole */ END_PROPERTY BEGIN_PROPERTY(Symbol_Signature) CLASS_DESC_SYMBOL *cds = _current_symbol; char *sign = CLASS_DESC_get_signature(cds->desc); if (sign) GB_ReturnString(sign); else GB_ReturnVoidString(); END_METHOD BEGIN_PROPERTY(Symbol_Value) CLASS_DESC *desc = _current_symbol->desc; if (CLASS_DESC_get_type(desc) != CD_CONSTANT) { GB_ReturnVariant(NULL); return; } if (desc->constant.type == T_STRING) GB_ReturnConstZeroString(desc->constant.value._string); else GB_ReturnPtr(desc->constant.type, (void *)&desc->constant.value); GB_ReturnConvVariant(); END_PROPERTY //---- Object ------------------------------------------------------------- BEGIN_METHOD(Object_GetProperty, GB_OBJECT object; GB_STRING property) const char *name; void *object = VARG(object); if (GB_CheckObject(object)) return; name = GB_ToZeroString(ARG(property)); GB_GetProperty(object, name); GB_ReturnConvVariant(); END_METHOD BEGIN_METHOD(Object_SetProperty, GB_OBJECT object; GB_STRING property; GB_VARIANT value) const char *name; CLASS_DESC *desc; CLASS *class; char type; void *object = VARG(object); VALUE *value = (VALUE *)ARG(value); if (GB_CheckObject(object)) return; if (OBJECT_is_class(object)) { class = (CLASS *)object; object = NULL; } else { class = OBJECT_class(object); } name = GB_ToZeroString(ARG(property)); desc = get_desc(class, name); if (!desc) return; type = CLASS_DESC_get_type(desc); if (type == CD_PROPERTY || type == CD_VARIABLE) { if (!object) { if (!class->auto_create) { error(E_DYNAMIC, class, name); return; } object = EXEC_auto_create(class, TRUE); } } else if (type == CD_STATIC_PROPERTY || type == CD_STATIC_VARIABLE) { if (object) { error(E_STATIC, class, name); return; } } else if (type == CD_PROPERTY_READ || type == CD_STATIC_PROPERTY_READ) { error(E_NWRITE, class, name); return; } else { error(E_NPROPERTY, class, name); return; } if (type == CD_VARIABLE) VALUE_write(value, (char *)object + desc->variable.offset, desc->variable.type); else if (type == CD_STATIC_VARIABLE) VALUE_write(value, (char *)class->stat + desc->variable.offset, desc->variable.type); else { if (desc->property.native) { VALUE_conv(value, desc->property.type); if (EXEC_call_native(desc->property.write, object, 0, value)) { EXEC_set_native_error(TRUE); return; } } else { *SP = *value; BORROW(SP); SP++; EXEC.class = desc->property.class; EXEC.object = object; EXEC.nparam = 1; EXEC.native = FALSE; EXEC.index = (int)(intptr_t)desc->property.write; //EXEC.func = &class->load->func[(long)desc->property.write]; EXEC_function(); /*VALUE_write(value, OBJECT_get_prop_addr(object, desc), desc->property.type);*/ } } END_METHOD BEGIN_METHOD(Object_Attach, GB_OBJECT object; GB_OBJECT parent; GB_STRING name) void *object = VARG(object); void *parent = VARG(parent); char *name = GB_ToZeroString(ARG(name)); if (GB_CheckObject(object)) return; if (!parent || !name || !*name) { OBJECT_detach(object); return; } if (GB_CheckObject(parent)) return; OBJECT_attach(object, parent, name); /*if (OBJECT_is(object, CLASS_Observer)) COBSERVER_attach((COBSERVER *)object, parent, GB_ToZeroString(ARG(name)));*/ END_METHOD BEGIN_METHOD(Object_Detach, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; if (OBJECT_is(object, CLASS_Observer)) COBSERVER_detach((COBSERVER *)object); OBJECT_detach(object); END_METHOD BEGIN_METHOD(Object_Parent, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; GB_ReturnObject(OBJECT_parent(object)); END_METHOD BEGIN_METHOD(Object_Class, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; GB_ReturnObject(OBJECT_class(object)); END_METHOD BEGIN_METHOD(Object_Type, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; GB_ReturnConstZeroString(OBJECT_class(object)->name); END_METHOD BEGIN_METHOD(Object_Is, GB_OBJECT object; GB_STRING class) void *object = VARG(object); CLASS *class = CLASS_look(STRING(class), LENGTH(class)); if (GB_CheckObject(object)) return; if (!class) { GB_ReturnBoolean(FALSE); return; } GB_ReturnBoolean(OBJECT_class(object) == class || CLASS_inherits(OBJECT_class(object), class)); END_METHOD BEGIN_METHOD(Object_Call, GB_OBJECT object; GB_STRING method; GB_OBJECT params) int i; int np = 0; char *name = GB_ToZeroString(ARG(method)); void *object = VARG(object); GB_FUNCTION func; GB_ARRAY params = VARGOPT(params, NULL); if (GB_CheckObject(object)) return; if (GB_GetFunction(&func, object, name, NULL, NULL)) { error(E_NSYMBOL, OBJECT_class(object), name); return; } if (params) np = GB_ArrayCount(params); if (np) { STACK_check(np); for (i = 0; i < np; i++) { CARRAY_get_value(params, i, SP); PUSH(); } } GB_Call(&func, np, FALSE); if (TEMP.type != T_VOID) GB_ReturnConvVariant(); END_METHOD BEGIN_METHOD(Object_IsValid, GB_OBJECT object) GB_ReturnBoolean(OBJECT_is_valid(VARG(object))); END_METHOD BEGIN_METHOD(Object_Lock, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; OBJECT_lock(object, TRUE); END_METHOD BEGIN_METHOD(Object_Unlock, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; OBJECT_lock(object, FALSE); END_METHOD BEGIN_METHOD(Object_IsLocked, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; GB_ReturnBoolean(OBJECT_is_locked(object)); END_METHOD BEGIN_METHOD(Object_Count, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; // We substract one because the object is referenced on the stack GB_ReturnInteger(OBJECT_count(object) - 1); END_METHOD BEGIN_METHOD(Object_SizeOf, GB_OBJECT object) void *object = VARG(object); if (GB_CheckObject(object)) return; GB_ReturnInteger(CLASS_sizeof(OBJECT_class(object))); END_METHOD BEGIN_METHOD(Object_New, GB_STRING class; GB_OBJECT params) CLASS *class = CLASS_find(GB_ToZeroString(ARG(class))); GB_ARRAY params = VARGOPT(params, NULL); int i, np = 0; void *object; if (!class) { GB_Error("Unknown class"); return; } if (params) np = GB_ArrayCount(params); if (np) { STACK_check(np); for (i = 0; i < np; i++) { CARRAY_get_value(params, i, SP); PUSH(); } } object = EXEC_create_object(class, np, NULL); OBJECT_UNREF_KEEP(object, "Object_New"); GB_ReturnObject(object); END_METHOD BEGIN_PROPERTY(Object_Address) GB_ReturnPointer(VPROP(GB_OBJECT)); END_PROPERTY BEGIN_METHOD(Object_CanRaise, GB_OBJECT object; GB_STRING name) void *object = VARG(object); CLASS *class; char *name; int index; if (!object) { GB_Error((char *)E_NULL); return; } class = OBJECT_class(object); name = GB_ToZeroString(ARG(name)); index = GB_GetEvent(class, name); //fprintf(stderr, "Object.CanRaise: %s %d\n", name, index); if (index < 0) GB_ReturnBoolean(FALSE); else GB_ReturnBoolean(GB_CanRaise(object, index)); END_METHOD #endif //------------------------------------------------------------------------- GB_DESC NATIVE_Symbol[] = { GB_DECLARE(".Symbol", 0), GB_VIRTUAL_CLASS(), GB_PROPERTY_READ("Name", "s", Symbol_Name), GB_PROPERTY_READ("Kind", "i", Symbol_Kind), GB_PROPERTY_READ("Type", "s", Symbol_Type), GB_PROPERTY_READ("ReadOnly", "b", Symbol_ReadOnly), GB_PROPERTY_READ("Hidden", "b", Symbol_Hidden), GB_PROPERTY_READ("Signature", "s", Symbol_Signature), GB_PROPERTY_READ("Static", "b", Symbol_Static), GB_PROPERTY_READ("Value", "v", Symbol_Value), GB_END_DECLARE }; GB_DESC NATIVE_Components[] = { GB_DECLARE("Components", 0), GB_VIRTUAL_CLASS(), GB_STATIC_METHOD("_next", "Component", Components_next, NULL), GB_STATIC_METHOD("_get", "Component", Components_get, "(Name)s"), GB_STATIC_PROPERTY_READ("Count", "i", Components_Count), GB_END_DECLARE }; GB_DESC NATIVE_Component[] = { GB_DECLARE("Component", 0), GB_VIRTUAL_CLASS(), //GB_STATIC_METHOD("_get", "Component", library_get, "(Name)s"), GB_STATIC_METHOD("Load", "Component", Component_Load, "(Name)s"), GB_STATIC_METHOD("IsLoaded", "b", Component_IsLoaded, "(Name)s"), GB_STATIC_PROPERTY_READ("Path", "s", Component_Path), GB_PROPERTY_READ("Name", "s", Component_Name), GB_END_DECLARE }; GB_DESC NATIVE_Classes[] = { GB_DECLARE("Classes", 0), GB_VIRTUAL_CLASS(), GB_STATIC_METHOD("_next", "Class", Classes_next, NULL), GB_STATIC_METHOD("_get", "Class", Classes_get, "(Name)s"), GB_STATIC_PROPERTY_READ("Count", "i", Classes_count), GB_END_DECLARE }; GB_DESC NATIVE_Class[] = { GB_DECLARE("Class", 0), GB_VIRTUAL_CLASS(), GB_STATIC_METHOD("Load", "Class", Class_Load, "(Name)s"), GB_METHOD("_get", ".Symbol", Class_get, "(Symbol)s"), GB_PROPERTY_READ("Name", "s", Class_Name), GB_PROPERTY_READ("Hidden", "b", Class_Hidden), GB_PROPERTY_READ("Native", "b", Class_Native), GB_PROPERTY_READ("Parent", "Class", Class_Parent), GB_PROPERTY_READ("Component", "Component", Class_Component), GB_PROPERTY_READ("Count", "i", Class_Count), GB_PROPERTY_READ("Instance", "o", Class_Instance), GB_PROPERTY_READ("Symbols", "String[]", Class_Symbols), GB_METHOD("AutoCreate", "o", Class_AutoCreate, NULL), GB_METHOD("New", "o", Class_New, "[(Arguments)Array;]"), GB_METHOD("Exist", "b", Class_Exist, "(Symbol)s"), GB_CONSTANT("Variable", "i", 1), GB_CONSTANT("Property", "i", 2), GB_CONSTANT("Method", "i", 3), GB_CONSTANT("Event", "i", 4), GB_CONSTANT("Constant", "i", 5), GB_END_DECLARE }; GB_DESC NATIVE_Object[] = { GB_DECLARE("Object", 0), GB_VIRTUAL_CLASS(), GB_STATIC_METHOD("GetProperty", "v", Object_GetProperty, "(Object)o(Property)s"), GB_STATIC_METHOD("SetProperty", NULL, Object_SetProperty, "(Object)o(Property)s(Value)v"), GB_STATIC_METHOD("Attach", NULL, Object_Attach, "(Object)o(Parent)o(Name)s"), GB_STATIC_METHOD("Detach", NULL, Object_Detach, "(Object)o"), GB_STATIC_METHOD("Class", "Class", Object_Class, "(Object)o"), GB_STATIC_METHOD("Type", "s", Object_Type, "(Object)o"), GB_STATIC_METHOD("Is", "b", Object_Is, "(Object)o(Class)s"), GB_STATIC_METHOD("Parent", "o", Object_Parent, "(Object)o"), GB_STATIC_METHOD("Call", "v", Object_Call, "(Object)o(Method)s[(Arguments)Array;]"), GB_STATIC_METHOD("New", "o", Object_New, "(Class)s[(Arguments)Array;]"), GB_STATIC_METHOD("IsValid", "b", Object_IsValid, "(Object)o"), GB_STATIC_METHOD("Lock", NULL, Object_Lock, "(Object)o"), GB_STATIC_METHOD("Unlock", NULL, Object_Unlock, "(Object)o"), GB_STATIC_METHOD("IsLocked", "b", Object_IsLocked, "(Object)o"), GB_STATIC_METHOD("Count", "i", Object_Count, "(Object)o"), GB_STATIC_METHOD("SizeOf", "i", Object_SizeOf, "(Object)o"), GB_STATIC_METHOD("Address", "p", Object_Address, "(Object)o"), GB_STATIC_METHOD("CanRaise", "b", Object_CanRaise, "(Object)o(Event)s"), GB_END_DECLARE };