dlls/jscript/number.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 num;
  29 } NumberInstance;
  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 toFixedW[] = {'t','o','F','i','x','e','d',0};
  34 static const WCHAR toExponentialW[] = {'t','o','E','x','p','o','n','e','n','t','i','a','l',0};
  35 static const WCHAR toPrecisionW[] = {'t','o','P','r','e','c','i','s','i','o','n',0};
  36 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
  37 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
  38 static const WCHAR propertyIsEnumerableW[] =
  39     {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
  40 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
  41
  42 /* ECMA-262 3rd Edition    15.7.4.2 */
  43 static HRESULT Number_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  44         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  45 {
  46     NumberInstance *number;
  47     BSTR str;
  48     HRESULT hres;
  49
  50     TRACE("\n");
  51
  52     if(!is_class(dispex, JSCLASS_NUMBER)) {
  53         FIXME("throw TypeError\n");
  54         return E_FAIL;
  55     }
  56
  57     number = (NumberInstance*)dispex;
  58
  59     if(arg_cnt(dp) != 0) {
  60         FIXME("unsupported args\n");
  61         return E_NOTIMPL;
  62     }
  63
  64     hres = to_string(dispex->ctx, &number->num, ei, &str);
  65     if(FAILED(hres))
  66         return hres;
  67
  68     if(retv) {
  69         V_VT(retv) = VT_BSTR;
  70         V_BSTR(retv) = str;
  71     }else {
  72         SysFreeString(str);
  73     }
  74     return S_OK;
  75 }
  76
  77 static HRESULT Number_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  78         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  79 {
  80     FIXME("\n");
  81     return E_NOTIMPL;
  82 }
  83
  84 static HRESULT Number_toFixed(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  85         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  86 {
  87     FIXME("\n");
  88     return E_NOTIMPL;
  89 }
  90
  91 static HRESULT Number_toExponential(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  92         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  93 {
  94     FIXME("\n");
  95     return E_NOTIMPL;
  96 }
  97
  98 static HRESULT Number_toPrecision(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 Number_valueOf(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 Number_hasOwnProperty(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 Number_propertyIsEnumerable(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 HRESULT Number_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 127         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 128 {
 129     FIXME("\n");
 130     return E_NOTIMPL;
 131 }
 132
 133 static HRESULT Number_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 134         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 135 {
 136     FIXME("\n");
 137     return E_NOTIMPL;
 138 }
 139
 140 static const builtin_prop_t Number_props[] = {
 141     {hasOwnPropertyW,        Number_hasOwnProperty,        PROPF_METHOD},
 142     {isPrototypeOfW,         Number_isPrototypeOf,         PROPF_METHOD},
 143     {propertyIsEnumerableW,  Number_propertyIsEnumerable,  PROPF_METHOD},
 144     {toExponentialW,         Number_toExponential,         PROPF_METHOD},
 145     {toFixedW,               Number_toFixed,               PROPF_METHOD},
 146     {toLocaleStringW,        Number_toLocaleString,        PROPF_METHOD},
 147     {toPrecisionW,           Number_toPrecision,           PROPF_METHOD},
 148     {toStringW,              Number_toString,              PROPF_METHOD},
 149     {valueOfW,               Number_valueOf,               PROPF_METHOD}
 150 };
 151
 152 static const builtin_info_t Number_info = {
 153     JSCLASS_NUMBER,
 154     {NULL, Number_value, 0},
 155     sizeof(Number_props)/sizeof(*Number_props),
 156     Number_props,
 157     NULL,
 158     NULL
 159 };
 160
 161 static HRESULT NumberConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 162         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 163 {
 164     VARIANT num;
 165     HRESULT hres;
 166
 167     TRACE("\n");
 168
 169     switch(flags) {
 170     case INVOKE_FUNC:
 171         if(!arg_cnt(dp)) {
 172             if(retv) {
 173                 V_VT(retv) = VT_I4;
 174                 V_I4(retv) = 0;
 175             }
 176             return S_OK;
 177         }
 178
 179         hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &num);
 180         if(FAILED(hres))
 181             return hres;
 182
 183         if(retv)
 184             *retv = num;
 185         break;
 186
 187     case DISPATCH_CONSTRUCT: {
 188         DispatchEx *obj;
 189
 190         switch(arg_cnt(dp)) {
 191         case 0:
 192             V_VT(&num) = VT_I4;
 193             V_I4(&num) = 0;
 194             break;
 195         case 1:
 196             hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &num);
 197             if(FAILED(hres))
 198                 return hres;
 199             break;
 200         default:
 201             FIXME("unimplemented args\n");
 202             return E_NOTIMPL;
 203         }
 204
 205         hres = create_number(dispex->ctx, &num, &obj);
 206         if(FAILED(hres))
 207             return hres;
 208
 209         V_VT(retv) = VT_DISPATCH;
 210         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
 211         break;
 212     }
 213     default:
 214         FIXME("unimplemented flags %x\n", flags);
 215         return E_NOTIMPL;
 216     }
 217
 218     return S_OK;
 219 }
 220
 221 static HRESULT alloc_number(script_ctx_t *ctx, BOOL use_constr, NumberInstance **ret)
 222 {
 223     NumberInstance *number = heap_alloc_zero(sizeof(NumberInstance));
 224     HRESULT hres;
 225
 226     if(use_constr)
 227         hres = init_dispex_from_constr(&number->dispex, ctx, &Number_info, ctx->number_constr);
 228     else
 229         hres = init_dispex(&number->dispex, ctx, &Number_info, NULL);
 230     if(FAILED(hres))
 231         return hres;
 232
 233     *ret = number;
 234     return S_OK;
 235 }
 236
 237 HRESULT create_number_constr(script_ctx_t *ctx, DispatchEx **ret)
 238 {
 239     NumberInstance *number;
 240     HRESULT hres;
 241
 242     hres = alloc_number(ctx, FALSE, &number);
 243     if(FAILED(hres))
 244         return hres;
 245
 246     hres = create_builtin_function(ctx, NumberConstr_value, PROPF_CONSTR, &number->dispex, ret);
 247
 248     jsdisp_release(&number->dispex);
 249     return hres;
 250 }
 251
 252 HRESULT create_number(script_ctx_t *ctx, VARIANT *num, DispatchEx **ret)
 253 {
 254     NumberInstance *number;
 255     HRESULT hres;
 256
 257     hres = alloc_number(ctx, TRUE, &number);
 258     if(FAILED(hres))
 259         return hres;
 260
 261     number->num = *num;
 262
 263     *ret = &number->dispex;
 264     return S_OK;
 265 }