/* * Copyright 2008 Jacek Caban for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "jscript.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(jscript); typedef struct { DispatchEx dispex; WCHAR *str; DWORD length; } StringInstance; static const WCHAR lengthW[] = {'l','e','n','g','t','h',0}; static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0}; static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0}; static const WCHAR anchorW[] = {'a','n','c','h','o','r',0}; static const WCHAR bigW[] = {'b','i','g',0}; static const WCHAR blinkW[] = {'b','l','i','n','k',0}; static const WCHAR boldW[] = {'b','o','l','d',0}; static const WCHAR charAtW[] = {'c','h','a','r','A','t',0}; static const WCHAR charCodeAtW[] = {'c','h','a','r','C','o','d','e','A','t',0}; static const WCHAR concatW[] = {'c','o','n','c','a','t',0}; static const WCHAR fixedW[] = {'f','i','x','e','d',0}; static const WCHAR fontcolorW[] = {'f','o','n','t','c','o','l','o','r',0}; static const WCHAR fontsizeW[] = {'f','o','n','t','s','i','z','e',0}; static const WCHAR indexOfW[] = {'i','n','d','e','x','O','f',0}; static const WCHAR italicsW[] = {'i','t','a','l','i','c','s',0}; static const WCHAR lastIndexOfW[] = {'l','a','s','t','I','n','d','e','x','O','f',0}; static const WCHAR linkW[] = {'l','i','n','k',0}; static const WCHAR matchW[] = {'m','a','t','c','h',0}; static const WCHAR replaceW[] = {'r','e','p','l','a','c','e',0}; static const WCHAR searchW[] = {'s','e','a','r','c','h',0}; static const WCHAR sliceW[] = {'s','l','i','c','e',0}; static const WCHAR smallW[] = {'s','m','a','l','l',0}; static const WCHAR splitW[] = {'s','p','l','i','t',0}; static const WCHAR strikeW[] = {'s','t','r','i','k','e',0}; static const WCHAR subW[] = {'s','u','b',0}; static const WCHAR substringW[] = {'s','u','b','s','t','r','i','n','g',0}; static const WCHAR substrW[] = {'s','u','b','s','t','r',0}; static const WCHAR supW[] = {'s','u','p',0}; static const WCHAR toLowerCaseW[] = {'t','o','L','o','w','e','r','C','a','s','e',0}; static const WCHAR toUpperCaseW[] = {'t','o','U','p','p','e','r','C','a','s','e',0}; static const WCHAR toLocaleLowerCaseW[] = {'t','o','L','o','c','a','l','e','L','o','w','e','r','C','a','s','e',0}; static const WCHAR toLocaleUpperCaseW[] = {'t','o','L','o','c','a','l','e','U','p','p','e','r','C','a','s','e',0}; static const WCHAR localeCompareW[] = {'l','o','c','a','l','e','C','o','m','p','a','r','e',0}; static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0}; static const WCHAR propertyIsEnumerableW[] = {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0}; static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0}; static HRESULT String_length(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("%p\n", dispex); switch(flags) { case DISPATCH_PROPERTYGET: { StringInstance *jsthis = (StringInstance*)dispex; V_VT(retv) = VT_I4; V_I4(retv) = jsthis->length; break; } default: FIXME("unimplemented flags %x\n", flags); return E_NOTIMPL; } return S_OK; } /* ECMA-262 3rd Edition 15.5.4.2 */ static HRESULT String_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { StringInstance *string; TRACE("\n"); if(!is_class(dispex, JSCLASS_STRING)) { WARN("this is not a string object\n"); return E_FAIL; } string = (StringInstance*)dispex; if(retv) { BSTR str = SysAllocString(string->str); if(!str) return E_OUTOFMEMORY; V_VT(retv) = VT_BSTR; V_BSTR(retv) = str; } return S_OK; } /* ECMA-262 3rd Edition 15.5.4.2 */ static HRESULT String_valueOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return String_toString(dispex, lcid, flags, dp, retv, ei, sp); } static HRESULT String_anchor(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_big(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_blink(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_bold(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } /* ECMA-262 3rd Edition 15.5.4.5 */ static HRESULT String_charAt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { StringInstance *strobj; BSTR str; INT pos = 0; HRESULT hres; TRACE("\n"); if(dispex->builtin_info->class != JSCLASS_STRING) { FIXME("not string this not supported\n"); return E_NOTIMPL; } strobj = (StringInstance*)dispex; if(arg_cnt(dp)) { VARIANT num; hres = to_integer(dispex->ctx, get_arg(dp, 0), ei, &num); if(FAILED(hres)) return hres; if(V_VT(&num) == VT_I4) { pos = V_I4(&num); }else { WARN("pos = %lf\n", V_R8(&num)); pos = -1; } } if(!retv) return S_OK; if(0 <= pos && pos < strobj->length) str = SysAllocStringLen(strobj->str+pos, 1); else str = SysAllocStringLen(NULL, 0); if(!str) return E_OUTOFMEMORY; V_VT(retv) = VT_BSTR; V_BSTR(retv) = str; return S_OK; } /* ECMA-262 3rd Edition 15.5.4.5 */ static HRESULT String_charCodeAt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; DWORD length, idx = 0; HRESULT hres; TRACE("\n"); if(dispex->builtin_info->class == JSCLASS_STRING) { StringInstance *string = (StringInstance*)dispex; str = string->str; length = string->length; }else { FIXME("not string this not supported\n"); return E_NOTIMPL; } if(arg_cnt(dp) > 0) { VARIANT v; hres = to_integer(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) != VT_I4 || V_I4(&v) < 0 || V_I4(&v) >= length) { FIXME("NAN\n"); return E_FAIL; } idx = V_I4(&v); } if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = str[idx]; } return S_OK; } /* ECMA-262 3rd Edition 15.5.4.6 */ static HRESULT String_concat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { BSTR *strs = NULL, ret = NULL; DWORD len = 0, i, l, str_cnt; VARIANT var; WCHAR *ptr; HRESULT hres; TRACE("\n"); str_cnt = arg_cnt(dp)+1; strs = heap_alloc_zero(str_cnt * sizeof(BSTR)); if(!strs) return E_OUTOFMEMORY; V_VT(&var) = VT_DISPATCH; V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(dispex); hres = to_string(dispex->ctx, &var, ei, strs); if(SUCCEEDED(hres)) { for(i=0; i < arg_cnt(dp); i++) { hres = to_string(dispex->ctx, get_arg(dp, i), ei, strs+i+1); if(FAILED(hres)) break; } } if(SUCCEEDED(hres)) { for(i=0; i < str_cnt; i++) len += SysStringLen(strs[i]); ptr = ret = SysAllocStringLen(NULL, len); for(i=0; i < str_cnt; i++) { l = SysStringLen(strs[i]); memcpy(ptr, strs[i], l*sizeof(WCHAR)); ptr += l; } } for(i=0; i < str_cnt; i++) SysFreeString(strs[i]); heap_free(strs); if(FAILED(hres)) return hres; if(retv) { V_VT(retv) = VT_BSTR; V_BSTR(retv) = ret; }else { SysFreeString(ret); } return S_OK; } static HRESULT String_fixed(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_fontcolor(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_fontsize(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_indexOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_italics(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_lastIndexOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_link(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } /* ECMA-262 3rd Edition 15.5.4.10 */ static HRESULT String_match(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { StringInstance *This = (StringInstance*)dispex; match_result_t *match_result; DispatchEx *array; VARIANT var, *arg_var; DWORD match_cnt, i; HRESULT hres = S_OK; TRACE("\n"); if(dp->cArgs - dp->cNamedArgs != 1) { FIXME("unsupported args\n"); return E_NOTIMPL; } arg_var = get_arg(dp, 0); switch(V_VT(arg_var)) { case VT_DISPATCH: { DispatchEx *regexp; regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg_var)); if(regexp) { if(regexp->builtin_info->class == JSCLASS_REGEXP) { hres = regexp_match(regexp, This->str, This->length, FALSE, &match_result, &match_cnt); jsdisp_release(regexp); if(FAILED(hres)) return hres; break; } jsdisp_release(regexp); } } default: FIXME("implemented only for regexp args\n"); return E_NOTIMPL; } if(!match_cnt) { TRACE("no match\n"); if(retv) V_VT(retv) = VT_NULL; return S_OK; } hres = create_array(dispex->ctx, match_cnt, &array); if(FAILED(hres)) return hres; V_VT(&var) = VT_BSTR; for(i=0; i < match_cnt; i++) { V_BSTR(&var) = SysAllocStringLen(match_result[i].str, match_result[i].len); if(!V_BSTR(&var)) { hres = E_OUTOFMEMORY; break; } hres = jsdisp_propput_idx(array, i, lcid, &var, ei, NULL/*FIXME*/); SysFreeString(V_BSTR(&var)); if(FAILED(hres)) break; } if(FAILED(hres)) { jsdisp_release(array); return hres; } V_VT(retv) = VT_DISPATCH; V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(array); return S_OK; } static HRESULT String_replace(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_search(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } /* ECMA-262 3rd Edition 15.5.4.13 */ static HRESULT String_slice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; DWORD length; INT start=0, end; VARIANT v; HRESULT hres; TRACE("\n"); if(is_class(dispex, JSCLASS_STRING)) { StringInstance *string = (StringInstance*)dispex; str = string->str; length = string->length; }else { FIXME("this is not a string class"); return E_NOTIMPL; } if(arg_cnt(dp)) { hres = to_integer(dispex->ctx, dp->rgvarg + dp->cArgs-1, ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) == VT_I4) { start = V_I4(&v); if(start < 0) { start = length + start; if(start < 0) start = 0; }else if(start > length) { start = length; } }else { start = V_R8(&v) < 0.0 ? 0 : length; } }else { start = 0; } if(arg_cnt(dp) >= 2) { hres = to_integer(dispex->ctx, dp->rgvarg + dp->cArgs-2, ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) == VT_I4) { end = V_I4(&v); if(end < 0) { end = length + end; if(end < 0) end = 0; }else if(end > length) { end = length; } }else { end = V_R8(&v) < 0.0 ? 0 : length; } }else { end = length; } if(end < start) end = start; if(retv) { BSTR retstr = SysAllocStringLen(str+start, end-start); if(!str) return E_OUTOFMEMORY; V_VT(retv) = VT_BSTR; V_BSTR(retv) = retstr; } return S_OK; } static HRESULT String_small(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_split(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_strike(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_sub(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } /* ECMA-262 3rd Edition 15.5.4.15 */ static HRESULT String_substring(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; INT start=0, end; DWORD length; VARIANT v; HRESULT hres; TRACE("\n"); if(is_class(dispex, JSCLASS_STRING)) { StringInstance *string = (StringInstance*)dispex; length = string->length; str = string->str; }else { FIXME("not string this not supported\n"); return E_NOTIMPL; } if(arg_cnt(dp) >= 1) { hres = to_integer(dispex->ctx, dp->rgvarg + dp->cArgs-1, ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) == VT_I4) { start = V_I4(&v); if(start < 0) start = 0; else if(start >= length) start = length; }else { start = V_R8(&v) < 0.0 ? 0 : length; } } if(arg_cnt(dp) >= 2) { hres = to_integer(dispex->ctx, dp->rgvarg + dp->cArgs-2, ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) == VT_I4) { end = V_I4(&v); if(end < 0) end = 0; else if(end > length) end = length; }else { end = V_R8(&v) < 0.0 ? 0 : length; } }else { end = length; } if(start > end) { INT tmp = start; start = end; end = tmp; } if(retv) { V_VT(retv) = VT_BSTR; V_BSTR(retv) = SysAllocStringLen(str+start, end-start); if(!V_BSTR(retv)) return E_OUTOFMEMORY; } return S_OK; } static HRESULT String_substr(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_sup(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_toLowerCase(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_toUpperCase(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_toLocaleLowerCase(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_toLocaleUpperCase(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_localeCompare(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { StringInstance *This = (StringInstance*)dispex; TRACE("\n"); switch(flags) { case DISPATCH_PROPERTYGET: { BSTR str = SysAllocString(This->str); if(!str) return E_OUTOFMEMORY; V_VT(retv) = VT_BSTR; V_BSTR(retv) = str; break; } default: FIXME("flags %x\n", flags); return E_NOTIMPL; } return S_OK; } static void String_destructor(DispatchEx *dispex) { StringInstance *This = (StringInstance*)dispex; heap_free(This->str); heap_free(This); } static const builtin_prop_t String_props[] = { {anchorW, String_anchor, PROPF_METHOD}, {bigW, String_big, PROPF_METHOD}, {blinkW, String_blink, PROPF_METHOD}, {boldW, String_bold, PROPF_METHOD}, {charAtW, String_charAt, PROPF_METHOD}, {charCodeAtW, String_charCodeAt, PROPF_METHOD}, {concatW, String_concat, PROPF_METHOD}, {fixedW, String_fixed, PROPF_METHOD}, {fontcolorW, String_fontcolor, PROPF_METHOD}, {fontsizeW, String_fontsize, PROPF_METHOD}, {hasOwnPropertyW, String_hasOwnProperty, PROPF_METHOD}, {indexOfW, String_indexOf, PROPF_METHOD}, {isPrototypeOfW, String_isPrototypeOf, PROPF_METHOD}, {italicsW, String_italics, PROPF_METHOD}, {lastIndexOfW, String_lastIndexOf, PROPF_METHOD}, {lengthW, String_length, 0}, {linkW, String_link, PROPF_METHOD}, {localeCompareW, String_localeCompare, PROPF_METHOD}, {matchW, String_match, PROPF_METHOD}, {propertyIsEnumerableW, String_propertyIsEnumerable, PROPF_METHOD}, {replaceW, String_replace, PROPF_METHOD}, {searchW, String_search, PROPF_METHOD}, {sliceW, String_slice, PROPF_METHOD}, {smallW, String_small, PROPF_METHOD}, {splitW, String_split, PROPF_METHOD}, {strikeW, String_strike, PROPF_METHOD}, {substringW, String_substring, PROPF_METHOD}, {substrW, String_substr, PROPF_METHOD}, {subW, String_sub, PROPF_METHOD}, {supW, String_sup, PROPF_METHOD}, {toLocaleLowerCaseW, String_toLocaleLowerCase, PROPF_METHOD}, {toLocaleUpperCaseW, String_toLocaleUpperCase, PROPF_METHOD}, {toLowerCaseW, String_toLowerCase, PROPF_METHOD}, {toStringW, String_toString, PROPF_METHOD}, {toUpperCaseW, String_toUpperCase, PROPF_METHOD}, {valueOfW, String_valueOf, PROPF_METHOD} }; static const builtin_info_t String_info = { JSCLASS_STRING, {NULL, String_value, 0}, sizeof(String_props)/sizeof(*String_props), String_props, String_destructor, NULL }; static HRESULT StringConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { HRESULT hres; TRACE("\n"); switch(flags) { case INVOKE_FUNC: { BSTR str; if(arg_cnt(dp)) { hres = to_string(dispex->ctx, get_arg(dp, 0), ei, &str); if(FAILED(hres)) return hres; }else { str = SysAllocStringLen(NULL, 0); if(!str) return E_OUTOFMEMORY; } V_VT(retv) = VT_BSTR; V_BSTR(retv) = str; break; } case DISPATCH_CONSTRUCT: { DispatchEx *ret; if(arg_cnt(dp)) { BSTR str; hres = to_string(dispex->ctx, get_arg(dp, 0), ei, &str); if(FAILED(hres)) return hres; hres = create_string(dispex->ctx, str, SysStringLen(str), &ret); SysFreeString(str); }else { hres = create_string(dispex->ctx, NULL, 0, &ret); } if(FAILED(hres)) return hres; V_VT(retv) = VT_DISPATCH; V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(ret); break; } default: FIXME("unimplemented flags: %x\n", flags); return E_NOTIMPL; } return S_OK; } static HRESULT string_alloc(script_ctx_t *ctx, BOOL use_constr, StringInstance **ret) { StringInstance *string; HRESULT hres; string = heap_alloc_zero(sizeof(StringInstance)); if(!string) return E_OUTOFMEMORY; if(use_constr) hres = init_dispex_from_constr(&string->dispex, ctx, &String_info, ctx->string_constr); else hres = init_dispex(&string->dispex, ctx, &String_info, NULL); if(FAILED(hres)) { heap_free(string); return hres; } *ret = string; return S_OK; } HRESULT create_string_constr(script_ctx_t *ctx, DispatchEx **ret) { StringInstance *string; HRESULT hres; hres = string_alloc(ctx, FALSE, &string); if(FAILED(hres)) return hres; hres = create_builtin_function(ctx, StringConstr_value, PROPF_CONSTR, &string->dispex, ret); jsdisp_release(&string->dispex); return hres; } HRESULT create_string(script_ctx_t *ctx, const WCHAR *str, DWORD len, DispatchEx **ret) { StringInstance *string; HRESULT hres; hres = string_alloc(ctx, TRUE, &string); if(FAILED(hres)) return hres; if(len == -1) len = strlenW(str); string->length = len; string->str = heap_alloc((len+1)*sizeof(WCHAR)); if(!string->str) { jsdisp_release(&string->dispex); return E_OUTOFMEMORY; } memcpy(string->str, str, len*sizeof(WCHAR)); string->str[len] = 0; *ret = &string->dispex; return S_OK; }