dlls/jscript/object.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 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
  26 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
  27 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
  28 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
  29 static const WCHAR propertyIsEnumerableW[] =
  30     {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
  31 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
  32
  33 static const WCHAR default_valueW[] = {'[','o','b','j','e','c','t',' ','O','b','j','e','c','t',']',0};
  34
  35 static HRESULT Object_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  36         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  37 {
  38     FIXME("\n");
  39     return E_NOTIMPL;
  40 }
  41
  42 static HRESULT Object_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  43         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  44 {
  45     FIXME("\n");
  46     return E_NOTIMPL;
  47 }
  48
  49 static HRESULT Object_valueOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  50         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  51 {
  52     FIXME("\n");
  53     return E_NOTIMPL;
  54 }
  55
  56 static HRESULT Object_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  57         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  58 {
  59     FIXME("\n");
  60     return E_NOTIMPL;
  61 }
  62
  63 static HRESULT Object_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  64         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  65 {
  66     FIXME("\n");
  67     return E_NOTIMPL;
  68 }
  69
  70 static HRESULT Object_isPrototypeOf(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 static HRESULT Object_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  78         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  79 {
  80     TRACE("\n");
  81
  82     switch(flags) {
  83     case DISPATCH_PROPERTYGET:
  84         V_VT(retv) = VT_BSTR;
  85         V_BSTR(retv) = SysAllocString(default_valueW);
  86         if(!V_BSTR(retv))
  87             return E_OUTOFMEMORY;
  88         break;
  89     default:
  90         FIXME("unimplemented flags %x\n", flags);
  91         return E_NOTIMPL;
  92     }
  93
  94     return S_OK;
  95 }
  96
  97 static void Object_destructor(DispatchEx *dispex)
  98 {
  99     heap_free(dispex);
 100 }
 101
 102 static const builtin_prop_t Object_props[] = {
 103     {hasOwnPropertyW,        Object_hasOwnProperty,        PROPF_METHOD},
 104     {isPrototypeOfW,         Object_isPrototypeOf,         PROPF_METHOD},
 105     {propertyIsEnumerableW,  Object_propertyIsEnumerable,  PROPF_METHOD},
 106     {toLocaleStringW,        Object_toLocaleString,        PROPF_METHOD},
 107     {toStringW,              Object_toString,              PROPF_METHOD},
 108     {valueOfW,               Object_valueOf,               PROPF_METHOD}
 109 };
 110
 111 static const builtin_info_t Object_info = {
 112     JSCLASS_OBJECT,
 113     {NULL, Object_value, 0},
 114     sizeof(Object_props)/sizeof(*Object_props),
 115     Object_props,
 116     Object_destructor,
 117     NULL
 118 };
 119
 120 static HRESULT ObjectConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 121         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 122 {
 123     HRESULT hres;
 124
 125     TRACE("\n");
 126
 127     switch(flags) {
 128     case DISPATCH_CONSTRUCT: {
 129         DispatchEx *obj;
 130
 131         hres = create_object(dispex->ctx, NULL, &obj);
 132         if(FAILED(hres))
 133             return hres;
 134
 135         V_VT(retv) = VT_DISPATCH;
 136         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
 137         break;
 138     }
 139
 140     default:
 141         FIXME("unimplemented flags: %x\n", flags);
 142         return E_NOTIMPL;
 143     }
 144
 145     return S_OK;
 146 }
 147
 148 HRESULT create_object_constr(script_ctx_t *ctx, DispatchEx **ret)
 149 {
 150     DispatchEx *object;
 151     HRESULT hres;
 152
 153     hres = create_dispex(ctx, &Object_info, NULL, &object);
 154     if(FAILED(hres))
 155         return hres;
 156
 157     hres = create_builtin_function(ctx, ObjectConstr_value, PROPF_CONSTR, object, ret);
 158
 159     jsdisp_release(object);
 160     return hres;
 161 }
 162
 163 HRESULT create_object(script_ctx_t *ctx, DispatchEx *constr, DispatchEx **ret)
 164 {
 165     DispatchEx *object;
 166     HRESULT hres;
 167
 168     object = heap_alloc_zero(sizeof(DispatchEx));
 169     if(!object)
 170         return E_OUTOFMEMORY;
 171
 172     hres = init_dispex_from_constr(object, ctx, &Object_info, constr ? constr : ctx->object_constr);
 173     if(FAILED(hres)) {
 174         heap_free(object);
 175         return hres;
 176     }
 177
 178     *ret = object;
 179     return S_OK;
 180 }