dlls/jscript/bool.c

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