/* * 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 { jsdisp_t 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 fromCharCodeW[] = {'f','r','o','m','C','h','a','r','C','o','d','e',0}; static inline StringInstance *string_from_vdisp(vdisp_t *vdisp) { return (StringInstance*)vdisp->u.jsdisp; } static inline StringInstance *string_this(vdisp_t *jsthis) { return is_vclass(jsthis, JSCLASS_STRING) ? string_from_vdisp(jsthis) : NULL; } static HRESULT get_string_val(script_ctx_t *ctx, vdisp_t *jsthis, jsexcept_t *ei, const WCHAR **str, DWORD *len, BSTR *val_str) { StringInstance *string; VARIANT this_var; HRESULT hres; if((string = string_this(jsthis))) { *str = string->str; *len = string->length; *val_str = NULL; return S_OK; } V_VT(&this_var) = VT_DISPATCH; V_DISPATCH(&this_var) = jsthis->u.disp; hres = to_string(ctx, &this_var, ei, val_str); if(FAILED(hres)) return hres; *str = *val_str; *len = SysStringLen(*val_str); return S_OK; } static HRESULT String_length(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("%p\n", jsthis); switch(flags) { case DISPATCH_PROPERTYGET: { StringInstance *string = string_from_vdisp(jsthis); V_VT(retv) = VT_I4; V_I4(retv) = string->length; break; } default: FIXME("unimplemented flags %x\n", flags); return E_NOTIMPL; } return S_OK; } static HRESULT stringobj_to_string(vdisp_t *jsthis, VARIANT *retv) { StringInstance *string; if(!(string = string_this(jsthis))) { WARN("this is not a string object\n"); return E_FAIL; } 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_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return stringobj_to_string(jsthis, retv); } /* ECMA-262 3rd Edition 15.5.4.2 */ static HRESULT String_valueOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return stringobj_to_string(jsthis, retv); } static HRESULT do_attributeless_tag_format(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp, const WCHAR *tagname) { const WCHAR *str; DWORD length; BSTR val_str = NULL; HRESULT hres; static const WCHAR tagfmt[] = {'<','%','s','>','%','s','<','/','%','s','>',0}; hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(retv) { BSTR ret = SysAllocStringLen(NULL, length + 2*strlenW(tagname) + 5); if(!ret) { SysFreeString(val_str); return E_OUTOFMEMORY; } sprintfW(ret, tagfmt, tagname, str, tagname); V_VT(retv) = VT_BSTR; V_BSTR(retv) = ret; } SysFreeString(val_str); return S_OK; } static HRESULT do_attribute_tag_format(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp, const WCHAR *tagname, const WCHAR *attr) { static const WCHAR tagfmtW[] = {'<','%','s',' ','%','s','=','\"','%','s','\"','>','%','s','<','/','%','s','>',0}; static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0}; StringInstance *string; const WCHAR *str; DWORD length; BSTR attr_value, val_str = NULL; HRESULT hres; if(!(string = string_this(jsthis))) { VARIANT this; V_VT(&this) = VT_DISPATCH; V_DISPATCH(&this) = jsthis->u.disp; hres = to_string(ctx, &this, ei, &val_str); if(FAILED(hres)) return hres; str = val_str; length = SysStringLen(val_str); } else { str = string->str; length = string->length; } if(arg_cnt(dp)) { hres = to_string(ctx, get_arg(dp, 0), ei, &attr_value); if(FAILED(hres)) { SysFreeString(val_str); return hres; } } else { attr_value = SysAllocString(undefinedW); if(!attr_value) { SysFreeString(val_str); return E_OUTOFMEMORY; } } if(retv) { BSTR ret = SysAllocStringLen(NULL, length + 2*strlenW(tagname) + strlenW(attr) + SysStringLen(attr_value) + 9); if(!ret) { SysFreeString(attr_value); SysFreeString(val_str); return E_OUTOFMEMORY; } sprintfW(ret, tagfmtW, tagname, attr, attr_value, str, tagname); V_VT(retv) = VT_BSTR; V_BSTR(retv) = ret; } SysFreeString(attr_value); SysFreeString(val_str); return S_OK; } static HRESULT String_anchor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR fontW[] = {'A',0}; static const WCHAR colorW[] = {'N','A','M','E',0}; return do_attribute_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, fontW, colorW); } static HRESULT String_big(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR bigtagW[] = {'B','I','G',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, bigtagW); } static HRESULT String_blink(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR blinktagW[] = {'B','L','I','N','K',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, blinktagW); } static HRESULT String_bold(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR boldtagW[] = {'B',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, boldtagW); } /* ECMA-262 3rd Edition 15.5.4.5 */ static HRESULT String_charAt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; DWORD length; BSTR ret, val_str; INT pos = 0; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(arg_cnt(dp)) { VARIANT num; hres = to_integer(ctx, get_arg(dp, 0), ei, &num); if(FAILED(hres)) { SysFreeString(val_str); return hres; } if(V_VT(&num) == VT_I4) { pos = V_I4(&num); }else { WARN("pos = %lf\n", V_R8(&num)); pos = -1; } } if(!retv) { SysFreeString(val_str); return S_OK; } if(0 <= pos && pos < length) ret = SysAllocStringLen(str+pos, 1); else ret = SysAllocStringLen(NULL, 0); SysFreeString(val_str); if(!ret) { return E_OUTOFMEMORY; } V_VT(retv) = VT_BSTR; V_BSTR(retv) = ret; return S_OK; } /* ECMA-262 3rd Edition 15.5.4.5 */ static HRESULT String_charCodeAt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; BSTR val_str; DWORD length, idx = 0; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(arg_cnt(dp) > 0) { VARIANT v; hres = to_integer(ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) { SysFreeString(val_str); return hres; } if(V_VT(&v) != VT_I4 || V_I4(&v) < 0 || V_I4(&v) >= length) { if(retv) num_set_nan(&v); SysFreeString(val_str); return S_OK; } idx = V_I4(&v); } if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = str[idx]; } SysFreeString(val_str); return S_OK; } /* ECMA-262 3rd Edition 15.5.4.6 */ static HRESULT String_concat(script_ctx_t *ctx, vdisp_t *jsthis, 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) = jsthis->u.disp; hres = to_string(ctx, &var, ei, strs); if(SUCCEEDED(hres)) { for(i=0; i < arg_cnt(dp); i++) { hres = to_string(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(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR fixedtagW[] = {'T','T',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, fixedtagW); } static HRESULT String_fontcolor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR fontW[] = {'F','O','N','T',0}; static const WCHAR colorW[] = {'C','O','L','O','R',0}; return do_attribute_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, fontW, colorW); } static HRESULT String_fontsize(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR fontW[] = {'F','O','N','T',0}; static const WCHAR colorW[] = {'S','I','Z','E',0}; return do_attribute_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, fontW, colorW); } static HRESULT String_indexOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { DWORD length, pos = 0; const WCHAR *str; BSTR search_str, val_str; INT ret = -1; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(!arg_cnt(dp)) { if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = -1; } SysFreeString(val_str); return S_OK; } hres = to_string(ctx, get_arg(dp,0), ei, &search_str); if(FAILED(hres)) { SysFreeString(val_str); return hres; } if(arg_cnt(dp) >= 2) { VARIANT ival; hres = to_integer(ctx, get_arg(dp,1), ei, &ival); if(SUCCEEDED(hres)) { if(V_VT(&ival) == VT_I4) pos = V_VT(&ival) > 0 ? V_I4(&ival) : 0; else pos = V_R8(&ival) > 0.0 ? length : 0; if(pos > length) pos = length; } } if(SUCCEEDED(hres)) { const WCHAR *ptr; ptr = strstrW(str+pos, search_str); if(ptr) ret = ptr - str; else ret = -1; } SysFreeString(search_str); SysFreeString(val_str); if(FAILED(hres)) return hres; if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = ret; } return S_OK; } static HRESULT String_italics(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR italicstagW[] = {'I',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, italicstagW); } /* ECMA-262 3rd Edition 15.5.4.8 */ static HRESULT String_lastIndexOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { BSTR search_str, val_str; DWORD length, pos, search_len; const WCHAR *str; INT ret = -1; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(!arg_cnt(dp)) { if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = -1; } SysFreeString(val_str); return S_OK; } hres = to_string(ctx, get_arg(dp,0), ei, &search_str); if(FAILED(hres)) { SysFreeString(val_str); return hres; } search_len = SysStringLen(search_str); if(arg_cnt(dp) >= 2) { VARIANT ival; hres = to_integer(ctx, get_arg(dp,1), ei, &ival); if(SUCCEEDED(hres)) { if(V_VT(&ival) == VT_I4) pos = V_VT(&ival) > 0 ? V_I4(&ival) : 0; else pos = V_R8(&ival) > 0.0 ? length : 0; if(pos > length) pos = length; } }else { pos = length; } if(SUCCEEDED(hres) && length >= search_len) { const WCHAR *ptr; for(ptr = str+min(pos, length-search_len); ptr >= str; ptr--) { if(!memcmp(ptr, search_str, search_len*sizeof(WCHAR))) { ret = ptr-str; break; } } } SysFreeString(search_str); SysFreeString(val_str); if(FAILED(hres)) return hres; if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = ret; } return S_OK; } static HRESULT String_link(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR fontW[] = {'A',0}; static const WCHAR colorW[] = {'H','R','E','F',0}; return do_attribute_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, fontW, colorW); } /* ECMA-262 3rd Edition 15.5.4.10 */ static HRESULT String_match(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; jsdisp_t *regexp; VARIANT *arg_var; DWORD length; BSTR val_str = NULL; HRESULT hres = S_OK; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) { V_VT(retv) = VT_NULL; } return S_OK; } arg_var = get_arg(dp, 0); switch(V_VT(arg_var)) { case VT_DISPATCH: regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg_var)); if(regexp) { if(is_class(regexp, JSCLASS_REGEXP)) break; jsdisp_release(regexp); } default: { BSTR match_str; hres = to_string(ctx, arg_var, ei, &match_str); if(FAILED(hres)) return hres; hres = create_regexp(ctx, match_str, SysStringLen(match_str), 0, ®exp); SysFreeString(match_str); if(FAILED(hres)) return hres; } } hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(SUCCEEDED(hres)) { if(!val_str) val_str = SysAllocStringLen(str, length); if(val_str) hres = regexp_string_match(ctx, regexp, val_str, retv, ei); else hres = E_OUTOFMEMORY; } jsdisp_release(regexp); SysFreeString(val_str); return hres; } typedef struct { WCHAR *buf; DWORD size; DWORD len; } strbuf_t; static HRESULT strbuf_append(strbuf_t *buf, const WCHAR *str, DWORD len) { if(!len) return S_OK; if(len + buf->len > buf->size) { WCHAR *new_buf; DWORD new_size; new_size = buf->size ? buf->size<<1 : 16; if(new_size < buf->len+len) new_size = buf->len+len; if(buf->buf) new_buf = heap_realloc(buf->buf, new_size*sizeof(WCHAR)); else new_buf = heap_alloc(new_size*sizeof(WCHAR)); if(!new_buf) return E_OUTOFMEMORY; buf->buf = new_buf; buf->size = new_size; } memcpy(buf->buf+buf->len, str, len*sizeof(WCHAR)); buf->len += len; return S_OK; } static HRESULT rep_call(script_ctx_t *ctx, jsdisp_t *func, const WCHAR *str, match_result_t *match, match_result_t *parens, DWORD parens_cnt, BSTR *ret, jsexcept_t *ei, IServiceProvider *caller) { DISPPARAMS dp = {NULL, NULL, 0, 0}; VARIANTARG *args, *arg; VARIANT var; DWORD i; HRESULT hres = S_OK; dp.cArgs = parens_cnt+3; dp.rgvarg = args = heap_alloc_zero(sizeof(VARIANT)*dp.cArgs); if(!args) return E_OUTOFMEMORY; arg = get_arg(&dp,0); V_VT(arg) = VT_BSTR; V_BSTR(arg) = SysAllocStringLen(match->str, match->len); if(!V_BSTR(arg)) hres = E_OUTOFMEMORY; if(SUCCEEDED(hres)) { for(i=0; i < parens_cnt; i++) { arg = get_arg(&dp,i+1); V_VT(arg) = VT_BSTR; V_BSTR(arg) = SysAllocStringLen(parens[i].str, parens[i].len); if(!V_BSTR(arg)) { hres = E_OUTOFMEMORY; break; } } } if(SUCCEEDED(hres)) { arg = get_arg(&dp,parens_cnt+1); V_VT(arg) = VT_I4; V_I4(arg) = match->str - str; arg = get_arg(&dp,parens_cnt+2); V_VT(arg) = VT_BSTR; V_BSTR(arg) = SysAllocString(str); if(!V_BSTR(arg)) hres = E_OUTOFMEMORY; } if(SUCCEEDED(hres)) hres = jsdisp_call_value(func, DISPATCH_METHOD, &dp, &var, ei, caller); for(i=0; i < parens_cnt+3; i++) { if(i != parens_cnt+1) SysFreeString(V_BSTR(get_arg(&dp,i))); } heap_free(args); if(FAILED(hres)) return hres; hres = to_string(ctx, &var, ei, ret); VariantClear(&var); return hres; } /* ECMA-262 3rd Edition 15.5.4.11 */ static HRESULT String_replace(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { const WCHAR *str; DWORD parens_cnt = 0, parens_size=0, rep_len=0, length; BSTR rep_str = NULL, match_str = NULL, ret_str, val_str; jsdisp_t *rep_func = NULL, *regexp = NULL; match_result_t *parens = NULL, match = {NULL,0}, **parens_ptr = &parens; strbuf_t ret = {NULL,0,0}; DWORD re_flags = REM_NO_CTX_UPDATE; VARIANT *arg_var; HRESULT hres = S_OK; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(!arg_cnt(dp)) { if(retv) { if(!val_str) { val_str = SysAllocStringLen(str, length); if(!val_str) return E_OUTOFMEMORY; } V_VT(retv) = VT_BSTR; V_BSTR(retv) = val_str; } return S_OK; } arg_var = get_arg(dp, 0); switch(V_VT(arg_var)) { case VT_DISPATCH: regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg_var)); if(regexp) { if(is_class(regexp, JSCLASS_REGEXP)) { break; }else { jsdisp_release(regexp); regexp = NULL; } } default: hres = to_string(ctx, arg_var, ei, &match_str); if(FAILED(hres)) { SysFreeString(val_str); return hres; } } if(arg_cnt(dp) >= 2) { arg_var = get_arg(dp,1); switch(V_VT(arg_var)) { case VT_DISPATCH: rep_func = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg_var)); if(rep_func) { if(is_class(rep_func, JSCLASS_FUNCTION)) { break; }else { jsdisp_release(rep_func); rep_func = NULL; } } default: hres = to_string(ctx, arg_var, ei, &rep_str); if(FAILED(hres)) break; rep_len = SysStringLen(rep_str); if(!strchrW(rep_str, '$')) parens_ptr = NULL; } } if(SUCCEEDED(hres)) { const WCHAR *cp, *ecp; cp = ecp = str; while(1) { if(regexp) { hres = regexp_match_next(ctx, regexp, re_flags, str, length, &cp, parens_ptr, &parens_size, &parens_cnt, &match); re_flags |= REM_CHECK_GLOBAL; if(hres == S_FALSE) { hres = S_OK; break; } if(FAILED(hres)) break; }else { match.str = strstrW(cp, match_str); if(!match.str) break; match.len = SysStringLen(match_str); cp = match.str+match.len; } hres = strbuf_append(&ret, ecp, match.str-ecp); ecp = match.str+match.len; if(FAILED(hres)) break; if(rep_func) { BSTR cstr; hres = rep_call(ctx, rep_func, str, &match, parens, parens_cnt, &cstr, ei, caller); if(FAILED(hres)) break; hres = strbuf_append(&ret, cstr, SysStringLen(cstr)); SysFreeString(cstr); if(FAILED(hres)) break; }else if(rep_str && regexp) { const WCHAR *ptr = rep_str, *ptr2; while((ptr2 = strchrW(ptr, '$'))) { hres = strbuf_append(&ret, ptr, ptr2-ptr); if(FAILED(hres)) break; switch(ptr2[1]) { case '$': hres = strbuf_append(&ret, ptr2, 1); ptr = ptr2+2; break; case '&': hres = strbuf_append(&ret, match.str, match.len); ptr = ptr2+2; break; case '`': hres = strbuf_append(&ret, str, match.str-str); ptr = ptr2+2; break; case '\'': hres = strbuf_append(&ret, ecp, (str+length)-ecp); ptr = ptr2+2; break; default: { DWORD idx; if(!isdigitW(ptr2[1])) { hres = strbuf_append(&ret, ptr2, 1); ptr = ptr2+1; break; } idx = ptr2[1] - '0'; if(isdigitW(ptr2[2]) && idx*10 + (ptr2[2]-'0') <= parens_cnt) { idx = idx*10 + (ptr[2]-'0'); ptr = ptr2+3; }else if(idx && idx <= parens_cnt) { ptr = ptr2+2; }else { hres = strbuf_append(&ret, ptr2, 1); ptr = ptr2+1; break; } hres = strbuf_append(&ret, parens[idx-1].str, parens[idx-1].len); } } if(FAILED(hres)) break; } if(SUCCEEDED(hres)) hres = strbuf_append(&ret, ptr, (rep_str+rep_len)-ptr); if(FAILED(hres)) break; }else if(rep_str) { hres = strbuf_append(&ret, rep_str, rep_len); if(FAILED(hres)) break; }else { static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d'}; hres = strbuf_append(&ret, undefinedW, sizeof(undefinedW)/sizeof(WCHAR)); if(FAILED(hres)) break; } } if(SUCCEEDED(hres)) hres = strbuf_append(&ret, ecp, (str+length)-ecp); } if(rep_func) jsdisp_release(rep_func); SysFreeString(rep_str); SysFreeString(match_str); heap_free(parens); if(SUCCEEDED(hres) && match.str && regexp) { if(!val_str) val_str = SysAllocStringLen(str, length); if(val_str) { SysFreeString(ctx->last_match); ctx->last_match = val_str; val_str = NULL; ctx->last_match_index = match.str-str; ctx->last_match_length = match.len; }else { hres = E_OUTOFMEMORY; } } if(regexp) jsdisp_release(regexp); SysFreeString(val_str); if(SUCCEEDED(hres) && retv) { ret_str = SysAllocStringLen(ret.buf, ret.len); if(!ret_str) return E_OUTOFMEMORY; V_VT(retv) = VT_BSTR; V_BSTR(retv) = ret_str; TRACE("= %s\n", debugstr_w(ret_str)); } heap_free(ret.buf); return hres; } static HRESULT String_search(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { jsdisp_t *regexp = NULL; const WCHAR *str, *cp; match_result_t match; VARIANT *arg; DWORD length; BSTR val_str; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(!arg_cnt(dp)) { if(retv) V_VT(retv) = VT_NULL; SysFreeString(val_str); return S_OK; } arg = get_arg(dp,0); if(V_VT(arg) == VT_DISPATCH) { regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg)); if(regexp) { if(!is_class(regexp, JSCLASS_REGEXP)) { jsdisp_release(regexp); regexp = NULL; } } } if(!regexp) { hres = create_regexp_var(ctx, arg, NULL, ®exp); if(FAILED(hres)) { SysFreeString(val_str); return hres; } } cp = str; hres = regexp_match_next(ctx, regexp, REM_RESET_INDEX, str, length, &cp, NULL, NULL, NULL, &match); SysFreeString(val_str); jsdisp_release(regexp); if(FAILED(hres)) return hres; if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = hres == S_OK ? match.str-str : -1; } return S_OK; } /* ECMA-262 3rd Edition 15.5.4.13 */ static HRESULT String_slice(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; BSTR val_str; DWORD length; INT start=0, end; VARIANT v; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(arg_cnt(dp)) { hres = to_integer(ctx, get_arg(dp,0), ei, &v); if(FAILED(hres)) { SysFreeString(val_str); 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(ctx, get_arg(dp,1), ei, &v); if(FAILED(hres)) { SysFreeString(val_str); 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(!retstr) { SysFreeString(val_str); return E_OUTOFMEMORY; } V_VT(retv) = VT_BSTR; V_BSTR(retv) = retstr; } SysFreeString(val_str); return S_OK; } static HRESULT String_small(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR smalltagW[] = {'S','M','A','L','L',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, smalltagW); } static HRESULT String_split(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { match_result_t *match_result = NULL; DWORD length, match_cnt, i, match_len = 0; const WCHAR *str, *ptr, *ptr2; BOOL use_regexp = FALSE; VARIANT *arg, var; jsdisp_t *array; BSTR val_str, match_str = NULL; HRESULT hres; TRACE("\n"); if(arg_cnt(dp) != 1) { FIXME("unsupported args\n"); return E_NOTIMPL; } hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; arg = get_arg(dp, 0); switch(V_VT(arg)) { case VT_DISPATCH: { jsdisp_t *regexp; regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg)); if(regexp) { if(is_class(regexp, JSCLASS_REGEXP)) { use_regexp = TRUE; hres = regexp_match(ctx, regexp, str, length, TRUE, &match_result, &match_cnt); jsdisp_release(regexp); if(FAILED(hres)) { SysFreeString(val_str); return hres; } break; } jsdisp_release(regexp); } } default: hres = to_string(ctx, arg, ei, &match_str); if(FAILED(hres)) { SysFreeString(val_str); return hres; } match_len = SysStringLen(match_str); if(!match_len) { SysFreeString(match_str); match_str = NULL; } } hres = create_array(ctx, 0, &array); if(SUCCEEDED(hres)) { ptr = str; for(i=0;; i++) { if(use_regexp) { if(i == match_cnt) break; ptr2 = match_result[i].str; }else if(match_str) { ptr2 = strstrW(ptr, match_str); if(!ptr2) break; }else { if(!*ptr) break; ptr2 = ptr+1; } V_VT(&var) = VT_BSTR; V_BSTR(&var) = SysAllocStringLen(ptr, ptr2-ptr); if(!V_BSTR(&var)) { hres = E_OUTOFMEMORY; break; } hres = jsdisp_propput_idx(array, i, &var, ei, sp); SysFreeString(V_BSTR(&var)); if(FAILED(hres)) break; if(use_regexp) ptr = match_result[i].str + match_result[i].len; else if(match_str) ptr = ptr2 + match_len; else ptr++; } } if(SUCCEEDED(hres) && (match_str || use_regexp)) { DWORD len = (str+length) - ptr; if(len || match_str) { V_VT(&var) = VT_BSTR; V_BSTR(&var) = SysAllocStringLen(ptr, len); if(V_BSTR(&var)) { hres = jsdisp_propput_idx(array, i, &var, ei, sp); SysFreeString(V_BSTR(&var)); }else { hres = E_OUTOFMEMORY; } } } SysFreeString(match_str); SysFreeString(val_str); heap_free(match_result); if(SUCCEEDED(hres) && retv) var_set_jsdisp(retv, array); else jsdisp_release(array); return hres; } static HRESULT String_strike(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR striketagW[] = {'S','T','R','I','K','E',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, striketagW); } static HRESULT String_sub(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR subtagW[] = {'S','U','B',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, subtagW); } /* ECMA-262 3rd Edition 15.5.4.15 */ static HRESULT String_substring(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR *str; BSTR val_str; INT start=0, end; DWORD length; VARIANT v; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(arg_cnt(dp) >= 1) { hres = to_integer(ctx, get_arg(dp,0), ei, &v); if(FAILED(hres)) { SysFreeString(val_str); 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(ctx, get_arg(dp,1), ei, &v); if(FAILED(hres)) { SysFreeString(val_str); 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)) { SysFreeString(val_str); return E_OUTOFMEMORY; } } SysFreeString(val_str); return S_OK; } /* ECMA-262 3rd Edition B.2.3 */ static HRESULT String_substr(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { BSTR val_str; const WCHAR *str; INT start=0, len; DWORD length; VARIANT v; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(arg_cnt(dp) >= 1) { hres = to_integer(ctx, get_arg(dp,0), ei, &v); if(FAILED(hres)) { SysFreeString(val_str); 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(ctx, get_arg(dp,1), ei, &v); if(FAILED(hres)) { SysFreeString(val_str); return hres; } if(V_VT(&v) == VT_I4) { len = V_I4(&v); if(len < 0) len = 0; else if(len > length-start) len = length-start; }else { len = V_R8(&v) < 0.0 ? 0 : length-start; } }else { len = length-start; } hres = S_OK; if(retv) { V_VT(retv) = VT_BSTR; V_BSTR(retv) = SysAllocStringLen(str+start, len); if(!V_BSTR(retv)) hres = E_OUTOFMEMORY; } SysFreeString(val_str); return hres; } static HRESULT String_sup(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { static const WCHAR suptagW[] = {'S','U','P',0}; return do_attributeless_tag_format(ctx, jsthis, flags, dp, retv, ei, sp, suptagW); } static HRESULT String_toLowerCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR* str; DWORD length; BSTR val_str; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(retv) { if(!val_str) { val_str = SysAllocStringLen(str, length); if(!val_str) return E_OUTOFMEMORY; } strlwrW(val_str); V_VT(retv) = VT_BSTR; V_BSTR(retv) = val_str; } else SysFreeString(val_str); return S_OK; } static HRESULT String_toUpperCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { const WCHAR* str; DWORD length; BSTR val_str; HRESULT hres; TRACE("\n"); hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str); if(FAILED(hres)) return hres; if(retv) { if(!val_str) { val_str = SysAllocStringLen(str, length); if(!val_str) return E_OUTOFMEMORY; } struprW(val_str); V_VT(retv) = VT_BSTR; V_BSTR(retv) = val_str; } else SysFreeString(val_str); return S_OK; } static HRESULT String_toLocaleLowerCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_toLocaleUpperCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_localeCompare(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } static HRESULT String_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { StringInstance *This = string_from_vdisp(jsthis); TRACE("\n"); switch(flags) { case INVOKE_FUNC: return throw_type_error(ctx, ei, IDS_NOT_FUNC, NULL); 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(jsdisp_t *dispex) { StringInstance *This = (StringInstance*)dispex; heap_free(This->str); heap_free(This); } static const builtin_prop_t String_props[] = { {anchorW, String_anchor, PROPF_METHOD|1}, {bigW, String_big, PROPF_METHOD}, {blinkW, String_blink, PROPF_METHOD}, {boldW, String_bold, PROPF_METHOD}, {charAtW, String_charAt, PROPF_METHOD|1}, {charCodeAtW, String_charCodeAt, PROPF_METHOD|1}, {concatW, String_concat, PROPF_METHOD|1}, {fixedW, String_fixed, PROPF_METHOD}, {fontcolorW, String_fontcolor, PROPF_METHOD|1}, {fontsizeW, String_fontsize, PROPF_METHOD|1}, {indexOfW, String_indexOf, PROPF_METHOD|2}, {italicsW, String_italics, PROPF_METHOD}, {lastIndexOfW, String_lastIndexOf, PROPF_METHOD|2}, {lengthW, String_length, 0}, {linkW, String_link, PROPF_METHOD|1}, {localeCompareW, String_localeCompare, PROPF_METHOD|1}, {matchW, String_match, PROPF_METHOD|1}, {replaceW, String_replace, PROPF_METHOD|1}, {searchW, String_search, PROPF_METHOD}, {sliceW, String_slice, PROPF_METHOD}, {smallW, String_small, PROPF_METHOD}, {splitW, String_split, PROPF_METHOD|2}, {strikeW, String_strike, PROPF_METHOD}, {subW, String_sub, PROPF_METHOD}, {substrW, String_substr, PROPF_METHOD|2}, {substringW, String_substring, PROPF_METHOD|2}, {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 }; /* ECMA-262 3rd Edition 15.5.3.2 */ static HRESULT StringConstr_fromCharCode(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { DWORD i, code; BSTR ret; HRESULT hres; ret = SysAllocStringLen(NULL, arg_cnt(dp)); if(!ret) return E_OUTOFMEMORY; for(i=0; i<arg_cnt(dp); i++) { hres = to_uint32(ctx, get_arg(dp, i), ei, &code); if(FAILED(hres)) { SysFreeString(ret); return hres; } ret[i] = code; } if(retv) { V_VT(retv) = VT_BSTR; V_BSTR(retv) = ret; } else SysFreeString(ret); return S_OK; } static HRESULT StringConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, 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(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: { jsdisp_t *ret; if(arg_cnt(dp)) { BSTR str; hres = to_string(ctx, get_arg(dp, 0), ei, &str); if(FAILED(hres)) return hres; hres = create_string(ctx, str, SysStringLen(str), &ret); SysFreeString(str); }else { hres = create_string(ctx, NULL, 0, &ret); } if(FAILED(hres)) return hres; var_set_jsdisp(retv, ret); break; } default: FIXME("unimplemented flags: %x\n", flags); return E_NOTIMPL; } return S_OK; } static HRESULT string_alloc(script_ctx_t *ctx, jsdisp_t *object_prototype, StringInstance **ret) { StringInstance *string; HRESULT hres; string = heap_alloc_zero(sizeof(StringInstance)); if(!string) return E_OUTOFMEMORY; if(object_prototype) hres = init_dispex(&string->dispex, ctx, &String_info, object_prototype); else hres = init_dispex_from_constr(&string->dispex, ctx, &String_info, ctx->string_constr); if(FAILED(hres)) { heap_free(string); return hres; } *ret = string; return S_OK; } static const builtin_prop_t StringConstr_props[] = { {fromCharCodeW, StringConstr_fromCharCode, PROPF_METHOD}, }; static const builtin_info_t StringConstr_info = { JSCLASS_FUNCTION, {NULL, Function_value, 0}, sizeof(StringConstr_props)/sizeof(*StringConstr_props), StringConstr_props, NULL, NULL }; HRESULT create_string_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret) { StringInstance *string; HRESULT hres; static const WCHAR StringW[] = {'S','t','r','i','n','g',0}; hres = string_alloc(ctx, object_prototype, &string); if(FAILED(hres)) return hres; hres = create_builtin_function(ctx, StringConstr_value, StringW, &StringConstr_info, PROPF_CONSTR|1, &string->dispex, ret); jsdisp_release(&string->dispex); return hres; } HRESULT create_string(script_ctx_t *ctx, const WCHAR *str, DWORD len, jsdisp_t **ret) { StringInstance *string; HRESULT hres; hres = string_alloc(ctx, NULL, &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; }