dlls/jscript/bool.c

   1 /*
   2  * Copyright 2008 Jacek Caban for CodeWeavers
   3  * Copyright 2009 Piotr Caban
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "jscript.h"
  21
  22 #include "wine/debug.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  25
  26 typedef struct {
  27     DispatchEx dispex;
  28
  29     VARIANT_BOOL val;
  30 } BoolInstance;
  31
  32 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
  33 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
  34 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
  35 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
  36 static const WCHAR propertyIsEnumerableW[] =
  37     {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
  38 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
  39
  40 /* ECMA-262 3rd Edition    15.6.4.2 */
  41 static HRESULT Bool_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  42         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  43 {
  44     static const WCHAR trueW[] = {'t','r','u','e',0};
  45     static const WCHAR falseW[] = {'f','a','l','s','e',0};
  46
  47     TRACE("\n");
  48
  49     if(!is_class(dispex, JSCLASS_BOOLEAN)) {
  50         FIXME("throw TypeError\n");
  51         return E_FAIL;
  52     }
  53
  54     if(retv) {
  55         BoolInstance *bool = (BoolInstance*)dispex;
  56         BSTR val;
  57
  58         if(bool->val) val = SysAllocString(trueW);
  59         else val = SysAllocString(falseW);
  60
  61         if(!val)
  62             return E_OUTOFMEMORY;
  63
  64         V_VT(retv) = VT_BSTR;
  65         V_BSTR(retv) = val;
  66     }
  67
  68     return S_OK;
  69 }
  70
  71 static HRESULT Bool_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  72         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  73 {
  74     TRACE("\n");
  75     return Bool_toString(dispex, lcid, flags, dp, retv, ei, sp);
  76 }
  77
  78 /* ECMA-262 3rd Edition    15.6.4.3 */
  79 static HRESULT Bool_valueOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  80         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  81 {
  82     TRACE("\n");
  83
  84     if(!is_class(dispex, JSCLASS_BOOLEAN)) {
  85         FIXME("throw TypeError\n");
  86         return E_FAIL;
  87     }
  88
  89     if(retv) {
  90         BoolInstance *bool = (BoolInstance*)dispex;
  91
  92         V_VT(retv) = VT_BOOL;
  93         V_BOOL(retv) = bool->val;
  94     }
  95
  96     return S_OK;
  97 }
  98
  99 static HRESULT Bool_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 100         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 101 {
 102     FIXME("\n");
 103     return E_NOTIMPL;
 104 }
 105
 106 static HRESULT Bool_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 107         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 108 {
 109     FIXME("\n");
 110     return E_NOTIMPL;
 111 }
 112
 113 static HRESULT Bool_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 114         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 115 {
 116     FIXME("\n");
 117     return E_NOTIMPL;
 118 }
 119
 120 static HRESULT Bool_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 121         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 122 {
 123     FIXME("\n");
 124     return E_NOTIMPL;
 125 }
 126
 127 static const builtin_prop_t Bool_props[] = {
 128     {hasOwnPropertyW,        Bool_hasOwnProperty,       PROPF_METHOD},
 129     {isPrototypeOfW,         Bool_isPrototypeOf,        PROPF_METHOD},
 130     {propertyIsEnumerableW,  Bool_propertyIsEnumerable, PROPF_METHOD},
 131     {toLocaleStringW,        Bool_toLocaleString,       PROPF_METHOD},
 132     {toStringW,              Bool_toString,             PROPF_METHOD},
 133     {valueOfW,               Bool_valueOf,              PROPF_METHOD}
 134 };
 135
 136 static const builtin_info_t Bool_info = {
 137     JSCLASS_BOOLEAN,
 138     {NULL, Bool_value, 0},
 139     sizeof(Bool_props)/sizeof(*Bool_props),
 140     Bool_props,
 141     NULL,
 142     NULL
 143 };
 144
 145 static HRESULT BoolConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 146         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 147 {
 148     HRESULT hres;
 149     VARIANT_BOOL value = VARIANT_FALSE;
 150
 151     if(arg_cnt(dp)) {
 152         hres = to_boolean(get_arg(dp,0), &value);
 153         if(FAILED(hres))
 154             return hres;
 155     }
 156
 157     switch(flags) {
 158     case DISPATCH_CONSTRUCT: {
 159         DispatchEx *bool;
 160
 161         hres = create_bool(dispex->ctx, value, &bool);
 162         if(FAILED(hres))
 163             return hres;
 164
 165         V_VT(retv) = VT_DISPATCH;
 166         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(bool);
 167         return S_OK;
 168     }
 169
 170     case INVOKE_FUNC:
 171         if(retv) {
 172             V_VT(retv) = VT_BOOL;
 173             V_BOOL(retv) = value;
 174         }
 175         return S_OK;
 176
 177     default:
 178         FIXME("unimplemented flags %x\n", flags);
 179         return E_NOTIMPL;
 180     }
 181
 182     return S_OK;
 183 }
 184
 185 static HRESULT alloc_bool(script_ctx_t *ctx, BOOL use_constr, BoolInstance **ret)
 186 {
 187     BoolInstance *bool;
 188     HRESULT hres;
 189
 190     bool = heap_alloc_zero(sizeof(BoolInstance));
 191     if(!bool)
 192         return E_OUTOFMEMORY;
 193
 194     if(use_constr)
 195         hres = init_dispex_from_constr(&bool->dispex, ctx, &Bool_info, ctx->bool_constr);
 196     else
 197         hres = init_dispex(&bool->dispex, ctx, &Bool_info, NULL);
 198
 199     if(FAILED(hres)) {
 200         heap_free(bool);
 201         return hres;
 202     }
 203
 204     *ret = bool;
 205     return S_OK;
 206 }
 207
 208 HRESULT create_bool_constr(script_ctx_t *ctx, DispatchEx **ret)
 209 {
 210     BoolInstance *bool;
 211     HRESULT hres;
 212
 213     hres = alloc_bool(ctx, FALSE, &bool);
 214     if(FAILED(hres))
 215         return hres;
 216
 217     hres = create_builtin_function(ctx, BoolConstr_value, NULL, PROPF_CONSTR, &bool->dispex, ret);
 218
 219     jsdisp_release(&bool->dispex);
 220     return hres;
 221 }
 222
 223 HRESULT create_bool(script_ctx_t *ctx, VARIANT_BOOL b, DispatchEx **ret)
 224 {
 225     BoolInstance *bool;
 226     HRESULT hres;
 227
 228     hres = alloc_bool(ctx, TRUE, &bool);
 229     if(FAILED(hres))
 230         return hres;
 231
 232     bool->val = b;
 233
 234     *ret = &bool->dispex;
 235     return S_OK;
 236 }