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// **********************************************************************
//
// Copyright (c) 2003-present ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
const Ice = require("../Ice/ModuleRegistry").Ice;
const _ModuleRegistry = Ice._ModuleRegistry;
const Slice = Ice.Slice;
const eq = function(e1, e2)
{
if(e1 === e2)
{
return true; // If identity compare equals members are equal.
}
else if(e1 === null || e1 === undefined || e2 === null || e2 === undefined)
{
return false;
}
else if(e1.prototype !== e2.prototype)
{
return false;
}
else if(typeof e1.equals == "function")
{
return e1.equals(e2);
}
else if(e1 instanceof Array || e1 instanceof Uint8Array)
{
return ArrayUtil.equals(e1, e2, eq);
}
return false;
};
class ArrayUtil
{
static clone(arr)
{
if(arr === undefined)
{
return arr;
}
else if(arr === null)
{
return [];
}
else
{
return arr.slice();
}
}
static equals(v1, v2, valuesEqual)
{
if(v1.length != v2.length)
{
return false;
}
const equalFn = valuesEqual || eq;
for(let i = 0; i < v1.length; ++i)
{
if(!equalFn.call(equalFn, v1[i], v2[i]))
{
return false;
}
}
return true;
}
static shuffle(arr)
{
for(let i = arr.length; i > 1; --i)
{
const e = arr[i - 1];
const rand = Math.floor(Math.random() * i);
arr[i - 1] = arr[rand];
arr[rand] = e;
}
}
}
ArrayUtil.eq = eq;
Slice.defineSequence = function(module, name, valueHelper, fixed, elementType)
{
let helper = null;
Object.defineProperty(module, name,
{
get: () =>
{
if(helper === null)
{
helper = Ice.StreamHelpers.generateSeqHelper(_ModuleRegistry.type(valueHelper),
fixed,
_ModuleRegistry.type(elementType));
}
return helper;
}
});
};
Ice.ArrayUtil = ArrayUtil;
module.exports.Ice = Ice;
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