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Ykkrosh
53bcba3368
IGUIObject: Cache the JSObject*, to prevent some frequent allocation while running GUI scripts. JSInterface_IGUIObject: Fixed garbage collection issues. JSInterface_IGUIObject, ScriptGlue: Changed to the JS_THREADSAFE form of JS_GetClass. Util: Avoid startup warnings on Linux caused by using unimplemented cpu_* functions that aren't needed for anything important yet. sysdep/unix: Changed to native line endings. This was SVN commit r5154.
123 lines
3.6 KiB
C++
123 lines
3.6 KiB
C++
#include "precompiled.h"
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/*
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* wxJavaScript - jsutil.cpp
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*
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* Copyright (c) 2002-2007 Franky Braem and the wxJavaScript project
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*
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* Project Info: http://www.wxjavascript.net or http://wxjs.sourceforge.net
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* $Id: jsutil.cpp 603 2007-03-08 20:36:17Z fbraem $
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*/
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#include <js/jsapi.h>
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#ifndef WX_PRECOMP
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#include <wx/wx.h>
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#endif
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#include "jsutil.h"
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JSBool wxjs::GetFunctionProperty(JSContext *cx, JSObject *obj, const char *propertyName, jsval *property)
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{
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if ( JS_GetProperty(cx, obj, propertyName, property) == JS_TRUE
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&& JS_TypeOfValue(cx, *property) == JSTYPE_FUNCTION )
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{
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return JS_TRUE;
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}
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else
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{
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return JS_FALSE;
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}
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}
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JSBool wxjs::CallFunctionProperty(JSContext *cx, JSObject *obj, const char *propertyName, uintN argc, jsval* args, jsval *rval)
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{
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jsval property;
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if ( ( GetFunctionProperty(cx, obj, propertyName, &property) == JS_TRUE ) )
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{
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if ( JS_CallFunctionValue(cx, obj, property, argc, args, rval) == JS_FALSE )
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{
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if ( JS_IsExceptionPending(cx) )
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{
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JS_ReportPendingException(cx);
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}
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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return JS_FALSE;
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}
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JSClass* wxjs::GetClass(JSContext *cx, const char* className)
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{
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jsval ctor, proto;
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if (JS_LookupProperty(cx, JS_GetGlobalObject(cx), className, &ctor) == JS_FALSE)
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return NULL;
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if (JS_LookupProperty(cx, JSVAL_TO_OBJECT(ctor), "prototype", &proto) == JS_FALSE)
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return NULL;
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JSObject *protoObj = JSVAL_TO_OBJECT(proto);
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return JS_GET_CLASS(cx, protoObj);
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}
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bool wxjs::HasPrototype(JSContext *cx, JSObject *obj, const char *className)
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{
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JSClass *jsclass = GetClass(cx, className);
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if ( jsclass == NULL )
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return false;
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JSObject *prototype = JS_GetPrototype(cx, obj);
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while( prototype != NULL
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&& JS_InstanceOf(cx, prototype, jsclass, NULL) == JS_FALSE )
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{
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prototype = JS_GetPrototype(cx, prototype);
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}
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return prototype != NULL;
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}
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bool wxjs::HasPrototype(JSContext *cx, jsval v, const char *className)
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{
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if ( JSVAL_IS_OBJECT(v) )
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return HasPrototype(cx, JSVAL_TO_OBJECT(v), className);
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else
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return false;
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}
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bool wxjs::GetScriptRoot(JSContext *cx, jsval *v)
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{
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return JS_GetProperty(cx, JS_GetGlobalObject(cx), "scriptRoot", v) == JS_TRUE;
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}
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JSBool wxjs::DefineUnicodeProperty(JSContext *cx,
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JSObject *obj,
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const wxString &propertyName,
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jsval *propertyValue)
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{
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wxMBConvUTF16 utf16;
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int jsLength = utf16.WC2MB(NULL, propertyName, 0);
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char *jsValue = new char[jsLength + utf16.GetMBNulLen()];
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jsLength = utf16.WC2MB(jsValue, propertyName, jsLength + utf16.GetMBNulLen());
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JSBool ret = JS_DefineUCProperty(cx, obj, (jschar *) jsValue, jsLength / utf16.GetMBNulLen(),
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*propertyValue, NULL, NULL, JSPROP_ENUMERATE);
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delete[] jsValue;
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return ret;
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}
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