reactos/dll/win32/jscript/bool.c

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
* Copyright 2009 Piotr Caban
*
* 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);
typedef struct {
DispatchEx dispex;
VARIANT_BOOL val;
} BoolInstance;
static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
static inline BoolInstance *bool_this(vdisp_t *jsthis)
{
return is_vclass(jsthis, JSCLASS_BOOLEAN) ? (BoolInstance*)jsthis->u.jsdisp : NULL;
}
/* ECMA-262 3rd Edition 15.6.4.2 */
static HRESULT Bool_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
BoolInstance *bool;
static const WCHAR trueW[] = {'t','r','u','e',0};
static const WCHAR falseW[] = {'f','a','l','s','e',0};
TRACE("\n");
if(!(bool = bool_this(jsthis)))
return throw_type_error(ctx, ei, IDS_NOT_BOOL, NULL);
if(retv) {
BSTR val;
if(bool->val) val = SysAllocString(trueW);
else val = SysAllocString(falseW);
if(!val)
return E_OUTOFMEMORY;
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = val;
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.6.4.3 */
static HRESULT Bool_valueOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
BoolInstance *bool;
TRACE("\n");
if(!(bool = bool_this(jsthis)))
return throw_type_error(ctx, ei, IDS_NOT_BOOL, NULL);
if(retv) {
V_VT(retv) = VT_BOOL;
V_BOOL(retv) = bool->val;
}
return S_OK;
}
static HRESULT Bool_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);
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static const builtin_prop_t Bool_props[] = {
{toStringW, Bool_toString, PROPF_METHOD},
{valueOfW, Bool_valueOf, PROPF_METHOD}
};
static const builtin_info_t Bool_info = {
JSCLASS_BOOLEAN,
{NULL, Bool_value, 0},
sizeof(Bool_props)/sizeof(*Bool_props),
Bool_props,
NULL,
NULL
};
static HRESULT BoolConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
HRESULT hres;
VARIANT_BOOL value = VARIANT_FALSE;
if(arg_cnt(dp)) {
hres = to_boolean(get_arg(dp,0), &value);
if(FAILED(hres))
return hres;
}
switch(flags) {
case DISPATCH_CONSTRUCT: {
DispatchEx *bool;
hres = create_bool(ctx, value, &bool);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_DISPATCH;
V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(bool);
return S_OK;
}
case INVOKE_FUNC:
if(retv) {
V_VT(retv) = VT_BOOL;
V_BOOL(retv) = value;
}
return S_OK;
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT alloc_bool(script_ctx_t *ctx, DispatchEx *object_prototype, BoolInstance **ret)
{
BoolInstance *bool;
HRESULT hres;
bool = heap_alloc_zero(sizeof(BoolInstance));
if(!bool)
return E_OUTOFMEMORY;
if(object_prototype)
hres = init_dispex(&bool->dispex, ctx, &Bool_info, object_prototype);
else
hres = init_dispex_from_constr(&bool->dispex, ctx, &Bool_info, ctx->bool_constr);
if(FAILED(hres)) {
heap_free(bool);
return hres;
}
*ret = bool;
return S_OK;
}
HRESULT create_bool_constr(script_ctx_t *ctx, DispatchEx *object_prototype, DispatchEx **ret)
{
BoolInstance *bool;
HRESULT hres;
static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
hres = alloc_bool(ctx, object_prototype, &bool);
if(FAILED(hres))
return hres;
hres = create_builtin_function(ctx, BoolConstr_value, BooleanW, NULL,
PROPF_CONSTR|1, &bool->dispex, ret);
jsdisp_release(&bool->dispex);
return hres;
}
HRESULT create_bool(script_ctx_t *ctx, VARIANT_BOOL b, DispatchEx **ret)
{
BoolInstance *bool;
HRESULT hres;
hres = alloc_bool(ctx, NULL, &bool);
if(FAILED(hres))
return hres;
bool->val = b;
*ret = &bool->dispex;
return S_OK;
}