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     TRACE("\n");
 109
 110     if(!is_class(dispex, JSCLASS_NUMBER)) {
 111         FIXME("throw TypeError\n");
 112         return E_FAIL;
 113     }
 114
 115     if(retv) {
 116         NumberInstance *number = (NumberInstance*)dispex;
 117         *retv = number->num;
 118     }
 119     return S_OK;
 120 }
 121
 122 static HRESULT Number_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 123         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 124 {
 125     FIXME("\n");
 126     return E_NOTIMPL;
 127 }
 128
 129 static HRESULT Number_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 130         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 131 {
 132     FIXME("\n");
 133     return E_NOTIMPL;
 134 }
 135
 136 static HRESULT Number_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 137         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 138 {
 139     FIXME("\n");
 140     return E_NOTIMPL;
 141 }
 142
 143 static HRESULT Number_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 144         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 145 {
 146     NumberInstance *number = (NumberInstance*)dispex;
 147
 148     switch(flags) {
 149     case DISPATCH_PROPERTYGET:
 150         *retv = number->num;
 151         break;
 152
 153     default:
 154         FIXME("flags %x\n", flags);
 155         return E_NOTIMPL;
 156     }
 157
 158     return S_OK;
 159 }
 160
 161 static const builtin_prop_t Number_props[] = {
 162     {hasOwnPropertyW,        Number_hasOwnProperty,        PROPF_METHOD},
 163     {isPrototypeOfW,         Number_isPrototypeOf,         PROPF_METHOD},
 164     {propertyIsEnumerableW,  Number_propertyIsEnumerable,  PROPF_METHOD},
 165     {toExponentialW,         Number_toExponential,         PROPF_METHOD},
 166     {toFixedW,               Number_toFixed,               PROPF_METHOD},
 167     {toLocaleStringW,        Number_toLocaleString,        PROPF_METHOD},
 168     {toPrecisionW,           Number_toPrecision,           PROPF_METHOD},
 169     {toStringW,              Number_toString,              PROPF_METHOD},
 170     {valueOfW,               Number_valueOf,               PROPF_METHOD}
 171 };
 172
 173 static const builtin_info_t Number_info = {
 174     JSCLASS_NUMBER,
 175     {NULL, Number_value, 0},
 176     sizeof(Number_props)/sizeof(*Number_props),
 177     Number_props,
 178     NULL,
 179     NULL
 180 };
 181
 182 static HRESULT NumberConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 183         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 184 {
 185     VARIANT num;
 186     HRESULT hres;
 187
 188     TRACE("\n");
 189
 190     switch(flags) {
 191     case INVOKE_FUNC:
 192         if(!arg_cnt(dp)) {
 193             if(retv) {
 194                 V_VT(retv) = VT_I4;
 195                 V_I4(retv) = 0;
 196             }
 197             return S_OK;
 198         }
 199
 200         hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &num);
 201         if(FAILED(hres))
 202             return hres;
 203
 204         if(retv)
 205             *retv = num;
 206         break;
 207
 208     case DISPATCH_CONSTRUCT: {
 209         DispatchEx *obj;
 210
 211         if(arg_cnt(dp)) {
 212             hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &num);
 213             if(FAILED(hres))
 214                 return hres;
 215         }else {
 216             V_VT(&num) = VT_I4;
 217             V_I4(&num) = 0;
 218         }
 219
 220         hres = create_number(dispex->ctx, &num, &obj);
 221         if(FAILED(hres))
 222             return hres;
 223
 224         V_VT(retv) = VT_DISPATCH;
 225         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
 226         break;
 227     }
 228     default:
 229         FIXME("unimplemented flags %x\n", flags);
 230         return E_NOTIMPL;
 231     }
 232
 233     return S_OK;
 234 }
 235
 236 static HRESULT alloc_number(script_ctx_t *ctx, BOOL use_constr, NumberInstance **ret)
 237 {
 238     NumberInstance *number;
 239     HRESULT hres;
 240
 241     number = heap_alloc_zero(sizeof(NumberInstance));
 242     if(!number)
 243         return E_OUTOFMEMORY;
 244
 245     if(use_constr)
 246         hres = init_dispex_from_constr(&number->dispex, ctx, &Number_info, ctx->number_constr);
 247     else
 248         hres = init_dispex(&number->dispex, ctx, &Number_info, NULL);
 249     if(FAILED(hres))
 250         return hres;
 251
 252     *ret = number;
 253     return S_OK;
 254 }
 255
 256 HRESULT create_number_constr(script_ctx_t *ctx, DispatchEx **ret)
 257 {
 258     NumberInstance *number;
 259     HRESULT hres;
 260
 261     hres = alloc_number(ctx, FALSE, &number);
 262     if(FAILED(hres))
 263         return hres;
 264
 265     V_VT(&number->num) = VT_I4;
 266     hres = create_builtin_function(ctx, NumberConstr_value, PROPF_CONSTR, &number->dispex, ret);
 267
 268     jsdisp_release(&number->dispex);
 269     return hres;
 270 }
 271
 272 HRESULT create_number(script_ctx_t *ctx, VARIANT *num, DispatchEx **ret)
 273 {
 274     NumberInstance *number;
 275     HRESULT hres;
 276
 277     hres = alloc_number(ctx, TRUE, &number);
 278     if(FAILED(hres))
 279         return hres;
 280
 281     number->num = *num;
 282
 283     *ret = &number->dispex;
 284     return S_OK;
 285 }