mirror of https://github.com/Icinga/icinga2.git
255 lines
7.6 KiB
C++
255 lines
7.6 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "base/array.hpp"
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#include "base/function.hpp"
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#include "base/functionwrapper.hpp"
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#include "base/scriptframe.hpp"
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#include "base/objectlock.hpp"
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#include "base/exception.hpp"
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#include <boost/foreach.hpp>
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using namespace icinga;
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static double ArrayLen(void)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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return self->GetLength();
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}
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static void ArraySet(int index, const Value& value)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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self->Set(index, value);
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}
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static Value ArrayGet(int index)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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return self->Get(index);
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}
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static void ArrayAdd(const Value& value)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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self->Add(value);
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}
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static void ArrayRemove(int index)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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self->Remove(index);
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}
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static bool ArrayContains(const Value& value)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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return self->Contains(value);
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}
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static void ArrayClear(void)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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self->Clear();
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}
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static bool ArraySortCmp(const Function::Ptr& cmp, const Value& a, const Value& b)
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{
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std::vector<Value> args;
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args.push_back(a);
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args.push_back(b);
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return cmp->Invoke(args);
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}
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static Array::Ptr ArraySort(const std::vector<Value>& args)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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Array::Ptr arr = self->ShallowClone();
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if (args.empty()) {
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ObjectLock olock(arr);
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std::sort(arr->Begin(), arr->End());
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} else {
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Function::Ptr function = args[0];
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if (vframe->Sandboxed && !function->IsSideEffectFree())
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BOOST_THROW_EXCEPTION(ScriptError("Sort function must be side-effect free."));
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ObjectLock olock(arr);
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std::sort(arr->Begin(), arr->End(), boost::bind(ArraySortCmp, args[0], _1, _2));
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}
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return arr;
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}
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static Array::Ptr ArrayShallowClone(void)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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return self->ShallowClone();
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}
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static Value ArrayJoin(const Value& separator)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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Value result;
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bool first = true;
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ObjectLock olock(self);
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BOOST_FOREACH(const Value& item, self) {
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if (first) {
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first = false;
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} else {
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result = result + separator;
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}
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result = result + item;
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}
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return result;
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}
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static Array::Ptr ArrayReverse(void)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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return self->Reverse();
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}
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static Array::Ptr ArrayMap(const Function::Ptr& function)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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if (vframe->Sandboxed && !function->IsSideEffectFree())
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BOOST_THROW_EXCEPTION(ScriptError("Map function must be side-effect free."));
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Array::Ptr result = new Array();
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ObjectLock olock(self);
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BOOST_FOREACH(const Value& item, self) {
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ScriptFrame uframe;
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std::vector<Value> args;
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args.push_back(item);
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result->Add(function->Invoke(args));
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}
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return result;
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}
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static Value ArrayReduce(const Function::Ptr& function)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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if (vframe->Sandboxed && !function->IsSideEffectFree())
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BOOST_THROW_EXCEPTION(ScriptError("Reduce function must be side-effect free."));
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if (self->GetLength() == 0)
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return Empty;
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Value result = self->Get(0);
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ObjectLock olock(self);
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for (size_t i = 1; i < self->GetLength(); i++) {
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ScriptFrame uframe;
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std::vector<Value> args;
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args.push_back(result);
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args.push_back(self->Get(i));
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result = function->Invoke(args);
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}
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return result;
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}
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static Array::Ptr ArrayFilter(const Function::Ptr& function)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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if (vframe->Sandboxed && !function->IsSideEffectFree())
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BOOST_THROW_EXCEPTION(ScriptError("Filter function must be side-effect free."));
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Array::Ptr result = new Array();
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ObjectLock olock(self);
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BOOST_FOREACH(const Value& item, self) {
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ScriptFrame uframe;
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std::vector<Value> args;
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args.push_back(item);
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if (function->Invoke(args))
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result->Add(item);
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}
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return result;
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}
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static Array::Ptr ArrayUnique(void)
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{
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ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
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Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
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std::set<Value> result;
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ObjectLock olock(self);
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BOOST_FOREACH(const Value& item, self) {
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result.insert(item);
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}
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return Array::FromSet(result);
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}
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Object::Ptr Array::GetPrototype(void)
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{
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static Dictionary::Ptr prototype;
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if (!prototype) {
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prototype = new Dictionary();
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prototype->Set("len", new Function(WrapFunction(ArrayLen), true));
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prototype->Set("set", new Function(WrapFunction(ArraySet)));
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prototype->Set("get", new Function(WrapFunction(ArrayGet)));
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prototype->Set("add", new Function(WrapFunction(ArrayAdd)));
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prototype->Set("remove", new Function(WrapFunction(ArrayRemove)));
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prototype->Set("contains", new Function(WrapFunction(ArrayContains), true));
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prototype->Set("clear", new Function(WrapFunction(ArrayClear)));
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prototype->Set("sort", new Function(WrapFunction(ArraySort), true));
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prototype->Set("shallow_clone", new Function(WrapFunction(ArrayShallowClone), true));
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prototype->Set("join", new Function(WrapFunction(ArrayJoin), true));
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prototype->Set("reverse", new Function(WrapFunction(ArrayReverse), true));
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prototype->Set("map", new Function(WrapFunction(ArrayMap), true));
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prototype->Set("reduce", new Function(WrapFunction(ArrayReduce), true));
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prototype->Set("filter", new Function(WrapFunction(ArrayFilter), true));
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prototype->Set("unique", new Function(WrapFunction(ArrayUnique), true));
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}
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return prototype;
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}
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