dlls/jscript/object.c - wine - Git at Google

 /*
  * Copyright 2008 Jacek Caban for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #include "jscript.h"

 #include "wine/debug.h"

 WINE_DEFAULT_DEBUG_CHANNEL(jscript);

 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
 static const WCHAR propertyIsEnumerableW[] =
     {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};

 static const WCHAR default_valueW[] = {'[','o','b','j','e','c','t',' ','O','b','j','e','c','t',']',0};

 static HRESULT Object_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
     jsdisp_t *jsdisp;
     const WCHAR *str;

     static const WCHAR formatW[] = {'[','o','b','j','e','c','t',' ','%','s',']',0};

     static const WCHAR arrayW[] = {'A','r','r','a','y',0};
     static const WCHAR booleanW[] = {'B','o','o','l','e','a','n',0};
     static const WCHAR dateW[] = {'D','a','t','e',0};
     static const WCHAR errorW[] = {'E','r','r','o','r',0};
     static const WCHAR functionW[] = {'F','u','n','c','t','i','o','n',0};
     static const WCHAR mathW[] = {'M','a','t','h',0};
     static const WCHAR numberW[] = {'N','u','m','b','e','r',0};
     static const WCHAR objectW[] = {'O','b','j','e','c','t',0};
     static const WCHAR regexpW[] = {'R','e','g','E','x','p',0};
     static const WCHAR stringW[] = {'S','t','r','i','n','g',0};
     /* Keep in sync with jsclass_t enum */
     static const WCHAR *names[] = {objectW, arrayW, booleanW, dateW, errorW,
         functionW, NULL, mathW, numberW, objectW, regexpW, stringW, objectW};

     TRACE("\n");

     jsdisp = get_jsdisp(jsthis);
     if(!jsdisp) {
         str = objectW;
     }else if(names[jsdisp->builtin_info->class]) {
         str = names[jsdisp->builtin_info->class];
     }else {
         FIXME("jdisp->builtin_info->class = %d\n", jsdisp->builtin_info->class);
         return E_FAIL;
     }

     if(retv) {
         V_VT(retv) = VT_BSTR;
         V_BSTR(retv) = SysAllocStringLen(NULL, 9+strlenW(str));
         if(!V_BSTR(retv))
             return E_OUTOFMEMORY;

         sprintfW(V_BSTR(retv), formatW, str);
     }

     return S_OK;
 }

 static HRESULT Object_toLocaleString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
     DISPPARAMS params = {NULL, NULL, 0, 0};

     TRACE("\n");

     if(!is_jsdisp(jsthis)) {
         FIXME("Host object this\n");
         return E_FAIL;
     }

     return jsdisp_call_name(jsthis->u.jsdisp, toStringW, DISPATCH_METHOD, &params, retv, ei, sp);
 }

 static HRESULT Object_valueOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
     TRACE("\n");

     if(retv) {
         IDispatch_AddRef(jsthis->u.disp);

         V_VT(retv) = VT_DISPATCH;
         V_DISPATCH(retv) = jsthis->u.disp;
     }

     return S_OK;
 }

 static HRESULT Object_hasOwnProperty(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
     FIXME("\n");
     return E_NOTIMPL;
 }

 static HRESULT Object_propertyIsEnumerable(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
     FIXME("\n");
     return E_NOTIMPL;
 }

 static HRESULT Object_isPrototypeOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
     FIXME("\n");
     return E_NOTIMPL;
 }

 static HRESULT Object_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
     TRACE("\n");

     switch(flags) {
     case INVOKE_FUNC:
         return throw_type_error(ctx, ei, IDS_NOT_FUNC, NULL);
     case DISPATCH_PROPERTYGET:
         V_VT(retv) = VT_BSTR;
         V_BSTR(retv) = SysAllocString(default_valueW);
         if(!V_BSTR(retv))
             return E_OUTOFMEMORY;
         break;
     default:
         FIXME("unimplemented flags %x\n", flags);
         return E_NOTIMPL;
     }

     return S_OK;
 }

 static void Object_destructor(jsdisp_t *dispex)
 {
     heap_free(dispex);
 }

 static const builtin_prop_t Object_props[] = {
     {hasOwnPropertyW,        Object_hasOwnProperty,        PROPF_METHOD|1},
     {isPrototypeOfW,         Object_isPrototypeOf,         PROPF_METHOD|1},
     {propertyIsEnumerableW,  Object_propertyIsEnumerable,  PROPF_METHOD|1},
     {toLocaleStringW,        Object_toLocaleString,        PROPF_METHOD},
     {toStringW,              Object_toString,              PROPF_METHOD},
     {valueOfW,               Object_valueOf,               PROPF_METHOD}
 };

 static const builtin_info_t Object_info = {
     JSCLASS_OBJECT,
     {NULL, Object_value, 0},
     sizeof(Object_props)/sizeof(*Object_props),
     Object_props,
     Object_destructor,
     NULL
 };

 static HRESULT ObjectConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 {
     HRESULT hres;

     TRACE("\n");

     switch(flags) {
     case DISPATCH_METHOD:
         if(arg_cnt(dp)) {
             VARIANT *arg = get_arg(dp,0);

             if(V_VT(arg) != VT_EMPTY && V_VT(arg) != VT_NULL) {
                 IDispatch *disp;

                 hres = to_object(ctx, arg, &disp);
                 if(FAILED(hres))
                     return hres;

                 if(retv) {
                     V_VT(retv) = VT_DISPATCH;
                     V_DISPATCH(retv) = disp;
                 }else {
                     IDispatch_Release(disp);
                 }
                 return S_OK;
             }
         }
         /* fall through */
     case DISPATCH_CONSTRUCT: {
         jsdisp_t *obj;

         hres = create_object(ctx, NULL, &obj);
         if(FAILED(hres))
             return hres;

         var_set_jsdisp(retv, obj);
         break;
     }

     default:
         FIXME("unimplemented flags: %x\n", flags);
         return E_NOTIMPL;
     }

     return S_OK;
 }

 HRESULT create_object_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
 {
     static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};

     return create_builtin_function(ctx, ObjectConstr_value, ObjectW, NULL, PROPF_CONSTR,
             object_prototype, ret);
 }

 HRESULT create_object_prototype(script_ctx_t *ctx, jsdisp_t **ret)
 {
     return create_dispex(ctx, &Object_info, NULL, ret);
 }

 HRESULT create_object(script_ctx_t *ctx, jsdisp_t *constr, jsdisp_t **ret)
 {
     jsdisp_t *object;
     HRESULT hres;

     object = heap_alloc_zero(sizeof(jsdisp_t));
     if(!object)
         return E_OUTOFMEMORY;

     hres = init_dispex_from_constr(object, ctx, &Object_info, constr ? constr : ctx->object_constr);
     if(FAILED(hres)) {
         heap_free(object);
         return hres;
     }

     *ret = object;
     return S_OK;
 }
	/*
	* Copyright 2008 Jacek Caban for CodeWeavers
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library 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
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#include "jscript.h"

	#include "wine/debug.h"

	WINE_DEFAULT_DEBUG_CHANNEL(jscript);

	static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
	static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
	static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
	static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
	static const WCHAR propertyIsEnumerableW[] =
	{'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
	static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};

	static const WCHAR default_valueW[] = {'[','o','b','j','e','c','t',' ','O','b','j','e','c','t',']',0};

	static HRESULT Object_toString(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *sp)
	{
	jsdisp_t *jsdisp;
	const WCHAR *str;

	static const WCHAR formatW[] = {'[','o','b','j','e','c','t',' ','%','s',']',0};

	static const WCHAR arrayW[] = {'A','r','r','a','y',0};
	static const WCHAR booleanW[] = {'B','o','o','l','e','a','n',0};
	static const WCHAR dateW[] = {'D','a','t','e',0};
	static const WCHAR errorW[] = {'E','r','r','o','r',0};
	static const WCHAR functionW[] = {'F','u','n','c','t','i','o','n',0};
	static const WCHAR mathW[] = {'M','a','t','h',0};
	static const WCHAR numberW[] = {'N','u','m','b','e','r',0};
	static const WCHAR objectW[] = {'O','b','j','e','c','t',0};
	static const WCHAR regexpW[] = {'R','e','g','E','x','p',0};
	static const WCHAR stringW[] = {'S','t','r','i','n','g',0};
	/* Keep in sync with jsclass_t enum */
	static const WCHAR *names[] = {objectW, arrayW, booleanW, dateW, errorW,
	functionW, NULL, mathW, numberW, objectW, regexpW, stringW, objectW};

	TRACE("\n");

	jsdisp = get_jsdisp(jsthis);
	if(!jsdisp) {
	str = objectW;
	}else if(names[jsdisp->builtin_info->class]) {
	str = names[jsdisp->builtin_info->class];
	}else {
	FIXME("jdisp->builtin_info->class = %d\n", jsdisp->builtin_info->class);
	return E_FAIL;
	}

	if(retv) {
	V_VT(retv) = VT_BSTR;
	V_BSTR(retv) = SysAllocStringLen(NULL, 9+strlenW(str));
	if(!V_BSTR(retv))
	return E_OUTOFMEMORY;

	sprintfW(V_BSTR(retv), formatW, str);
	}

	return S_OK;
	}

	static HRESULT Object_toLocaleString(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *sp)
	{
	DISPPARAMS params = {NULL, NULL, 0, 0};

	TRACE("\n");

	if(!is_jsdisp(jsthis)) {
	FIXME("Host object this\n");
	return E_FAIL;
	}

	return jsdisp_call_name(jsthis->u.jsdisp, toStringW, DISPATCH_METHOD, &params, retv, ei, sp);
	}

	static HRESULT Object_valueOf(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *sp)
	{
	TRACE("\n");

	if(retv) {
	IDispatch_AddRef(jsthis->u.disp);

	V_VT(retv) = VT_DISPATCH;
	V_DISPATCH(retv) = jsthis->u.disp;
	}

	return S_OK;
	}

	static HRESULT Object_hasOwnProperty(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *sp)
	{
	FIXME("\n");
	return E_NOTIMPL;
	}

	static HRESULT Object_propertyIsEnumerable(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *sp)
	{
	FIXME("\n");
	return E_NOTIMPL;
	}

	static HRESULT Object_isPrototypeOf(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *sp)
	{
	FIXME("\n");
	return E_NOTIMPL;
	}

	static HRESULT Object_value(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *sp)
	{
	TRACE("\n");

	switch(flags) {
	case INVOKE_FUNC:
	return throw_type_error(ctx, ei, IDS_NOT_FUNC, NULL);
	case DISPATCH_PROPERTYGET:
	V_VT(retv) = VT_BSTR;
	V_BSTR(retv) = SysAllocString(default_valueW);
	if(!V_BSTR(retv))
	return E_OUTOFMEMORY;
	break;
	default:
	FIXME("unimplemented flags %x\n", flags);
	return E_NOTIMPL;
	}

	return S_OK;
	}

	static void Object_destructor(jsdisp_t *dispex)
	{
	heap_free(dispex);
	}

	static const builtin_prop_t Object_props[] = {
	{hasOwnPropertyW, Object_hasOwnProperty, PROPF_METHOD\|1},
	{isPrototypeOfW, Object_isPrototypeOf, PROPF_METHOD\|1},
	{propertyIsEnumerableW, Object_propertyIsEnumerable, PROPF_METHOD\|1},
	{toLocaleStringW, Object_toLocaleString, PROPF_METHOD},
	{toStringW, Object_toString, PROPF_METHOD},
	{valueOfW, Object_valueOf, PROPF_METHOD}
	};

	static const builtin_info_t Object_info = {
	JSCLASS_OBJECT,
	{NULL, Object_value, 0},
	sizeof(Object_props)/sizeof(*Object_props),
	Object_props,
	Object_destructor,
	NULL
	};

	static HRESULT ObjectConstr_value(script_ctx_t ctx, vdisp_t jsthis, WORD flags, DISPPARAMS *dp,
	VARIANT retv, jsexcept_t ei, IServiceProvider *caller)
	{
	HRESULT hres;

	TRACE("\n");

	switch(flags) {
	case DISPATCH_METHOD:
	if(arg_cnt(dp)) {
	VARIANT *arg = get_arg(dp,0);

	if(V_VT(arg) != VT_EMPTY && V_VT(arg) != VT_NULL) {
	IDispatch *disp;

	hres = to_object(ctx, arg, &disp);
	if(FAILED(hres))
	return hres;

	if(retv) {
	V_VT(retv) = VT_DISPATCH;
	V_DISPATCH(retv) = disp;
	}else {
	IDispatch_Release(disp);
	}
	return S_OK;
	}
	}
	/* fall through */
	case DISPATCH_CONSTRUCT: {
	jsdisp_t *obj;

	hres = create_object(ctx, NULL, &obj);
	if(FAILED(hres))
	return hres;

	var_set_jsdisp(retv, obj);
	break;
	}

	default:
	FIXME("unimplemented flags: %x\n", flags);
	return E_NOTIMPL;
	}

	return S_OK;
	}

	HRESULT create_object_constr(script_ctx_t ctx, jsdisp_t object_prototype, jsdisp_t **ret)
	{
	static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};

	return create_builtin_function(ctx, ObjectConstr_value, ObjectW, NULL, PROPF_CONSTR,
	object_prototype, ret);
	}

	HRESULT create_object_prototype(script_ctx_t ctx, jsdisp_t *ret)
	{
	return create_dispex(ctx, &Object_info, NULL, ret);
	}

	HRESULT create_object(script_ctx_t ctx, jsdisp_t constr, jsdisp_t **ret)
	{
	jsdisp_t *object;
	HRESULT hres;

	object = heap_alloc_zero(sizeof(jsdisp_t));
	if(!object)
	return E_OUTOFMEMORY;

	hres = init_dispex_from_constr(object, ctx, &Object_info, constr ? constr : ctx->object_constr);
	if(FAILED(hres)) {
	heap_free(object);
	return hres;
	}

	*ret = object;
	return S_OK;
	}