Array.js 更新

なんだかんだでバグが多かったので。一応バグfixと、コード追加。
でもちゃんぽんなことに変わりなし。
あくまで参考に。

前回：
　http://d.hatena.ne.jp/Kureduki_Maari/20090620/1245494707

/*============================================================
 * Array 20090807
 * c4se project - http://c4se.sakura.ne.jp
 *
 * project name: c4seJS
 * author: ne_Schirou - utakata.c4se@gmail.com
 * <c4seFCL 0.2>
 ============================================================*/

(function(){

const MAX_LENGTH = 4294967295;
var abs = Math.abs,
    ceil = Math.ceil,
    floor = Math.floor,
    random = Math.random;
Array = function(/*arguments*/){
  if(arguments.length == 1 && arguments[0]._className == "Number"){
    //arguments[0] = floor(abs(arguments[0]));
    this._private = {};
    if(arguments[0] > MAX_LENGTH)
      throw RangeError("Array(): The length is too big.");
    this._private.length = arguments[0];
  }else{
    if(arguments.length > MAX_LENGTH)
      throw RangeError("Array(): The length is too big.");
    this._private.length = arguments.length;
    for(var i=0, l=arguments.length; i<l; ++i)
      this[i] = arguments[i];
  }
  return this;
};

/*generic intrinsic function +(a:Array, b:Array){//Ex
  return a.concat(b);
};
generic intrinsic function *(a:Array, n:Number){//Ex
  return a.repeat(n);
};
generic intrinsic function -@(a:Array){//Ex
  return a.map(function(elm){reutrn -elm;});
};
generic intrinsic function -(a:Array, b:Array){//Ex
  return a.filter(function(elm){
    return b.indexOf(elm) > 0? true: false;
  });
};*/

Array.prototype._className = "Array";//Ex

/*Object.defineProperty(Array.prototype, '[]', {
  getter: function(n){
    n = ((n > 0)? floor(n): ceil(n));
    while(n < 0) n += this.length;
    return this[n];
  },
  setter: function(n, v){
    n = ((n > 0)? floor(n): ceil(n));
    if(n > MAX_LENGTH)
      throw RangeError("Array.prototype.[]=: The length is too big.");
    while(n < 0) n += this.length;
    if(n > this.length) this.length = n;
    this[n] = v;
    return this;
  }
});*/
/*Object.defineProperty(Array.prototype, 'length', {
  getter: function(){return this._private.length;},
  setter: function(n){
    n = floor(abs(n));
    if(n > MAX_LENGTH)
      throw RangeError("Array.prototype.length=: The length is too big.");
    if(this._private.length > n)
      for(var i=n+1, l=this._private.length; i<l; ++i) this[i] = undefined;
    this._private.length = n;
    return this;
  }
});*/

/*Array.prototype.clean = function(){//Ex
  //return this.filter(function(elm){return elm != null ? true : false;});
  var i = 0,
      l = this.length,
      a = new Array(0);
  for(; i<l; ++i)
    if(a[i] != null) a[a.length] = this[i];
  return a;
};*/
/*Array.prototype.clone = function(){//Ex
  var i = 0,
      l = this.length,
      a = new Array();
  for(; i<l; ++i){
    if(this[i] === undefined) continue;
    else if(this[i]._className != "Array")
      a[a.length] = this[i];
    else
      a[a.length] = this[i].clone();
  }
  return a;
};*/
Array.prototype.concat = function(/*array|arguments*/){
  var i = 0,
      l = arguments.length,
      a = this.clone(),
      j = 0,
      l_2 = 0;
  for(; i<l; ++i){
    if(arguments[i]._className != "Array")
      a[a.length] = arguments[i];
    else
      for(j=0, l_2=arguments[i].length; j<l_2; ++j)
        a[a.length] = arguments[i][j];
  }
  return a;
};
Array.prortotype.every = function(f, o){
  var i = 0,
      l = this.length;
  for(; i<l; ++i){
    if(this[i] === undefined) continue;
    if(!f.call(o, this[i], i, this))
      return false;
  }
  return true;
};
Array.prototype.filter = function(f, o){
  var a = new Array();
  for(var i=0, l=this.length; i<l; ++i){
    if(this[i] === undefined) continue;
    if(f.call(o, this[i], i, this))
      a[a.length] = this[i];
  }
  return a;
};
/*Array.prototype.flat = function(){//Ex
  var i = 0,
      l = this.length,
      a = new Array(0);
  for(; i<l; ++i){
    if(this[i]._className != "Array")
      a[a.length] = this[i];
    else
      a[a.length] = a.flat();
  }
  return a;
};*/
Array.prototype.forEach = function(f, o){
  var i = 0,
      l = this.length;
  for(; i<l; ++i){
    if(this[i] === undefined) continue;
    f.call(o, this[i], i, this);
  }
  return this;
};
Array.prototype.indexOf = function(v, n){
  n = n || 0;
  var i = 0,
      l = this.length;
  while(n < 0) n += l - 1;
  for(i=n; i<l; ++i)
    if(this[i] === v)
      return i;
  return -1;
};
Array.prototype.join = function(s){
  if(s === undefined) s = ",";
  var str = this[0].toString();
  for(var i=1; i<this.length; ++i)
    str += this[i].toString();
  return str;
};
Array.prototype.lastIndexOf = function(v, n){
  if(n === undefined) n = this.length - 1;
  while(n < 0) n += this.length - 1;
  var i = n;
  for(; i>=0; --i)
    if(this[i] === v)
      return i;
  return -1;
};
Array.prototype.map = function(f, o){
  var i = 0,
      l = this.length;
      a = new Array(l);
  for(; i<l; ++i){
    if(this[i] === undefined) continue;
    a[i] = f.call(o, this[i], i, this);
  }
  return a;
};
Array.prototype.pop = function(){
  var l = this.length,
      v = this[l-1];
  this[l-1] = undefined;
  --this.length;
  return v;
};
Array.prototype.push = function(/*arguments*/){
  var i = 0,
      l = arguments.length;
  for(; i<l; ++i)
    this[this.length] = arguments[i];
  return this.length;
};
/*Array.prototype.random = function(){//Ex
  return this[floor(random() * this.length)];
};*/
Array.prototype.reduce = function(f, v){
  var i = 0,
      l = this.length;
  if(v === undefined){v = this[0]; i = 1;}
  for(; i<l; ++i){
    if(this[i] === undefined) continue;
    v = f.call(null, v, this[i], i, this);
  }
  return v;
};
Array.prototype.reduceRight = function(f, v){
  var i = this.length - 1;
  if(v === undefined){v = this[i]; --i;}
  for(; i>=0; --i){
    if(this[i] === undefined) continue;
    v = f.call(null, v, this[i], i, this);
  }
  return v;
};
/*Array.prototype.repeat = function(n){//Ex
  n = abs(floor(Number(n)));
  var r = new Array(),
      a = this.clone();
  for(; n>0; n>>>=1, a.concat(a))
    if (n & 1) r.concat(a);
  return r;
};*/
Array.prototype.reverse = function(){
  var i = 0,
      l = this.length,
      a = new Array(l);
  for(; i<l; ++i)
    a[i] = this[l-i];
  return this = a;
};
Array.prototype.shift = function(){
  var i = 0,
      l = this.length - 1,
      v = this[0],
      a = new Array(l);
  for(; i<l; ++i)
    a[i] = this[i+1];
  this = a;
  return v;
};
Array.prototype.slice = function(m, n){
  m = m || 0;
  n = n || this.length;
  var i = 0;
  for(; i<2; ++i)
    while(arguments[i] < 0) arguments[i] += this.length;
  if(m >= n) return [];
  var a = new Array();
  for(i=m; i<n; ++i)
    a[a.length] = this[i];
  return a;
};
Array.prototype.some = function(f, o){
  var i = 0,
      l = this.length;
  for(; i<l; ++i){
    if(this[i] === undefined) continue;
    if(f.call(o, this[i], i, this))
      return true;
  }
  return false;
};
(function(){
  var _def = function(l, r){ // default comparison function (by String charctor code)
    var i = 0,
        len = l.length;
    l = l.toString().split('');
    r = l.toString().split('');
    for(; i<len; ++i){
      if(l[i].charCodeAt(0) > r[i].charCodeAt(0)) return -1;
      if(l[i].charCodeAt(0) < r[i].charCodeAt(0)) return 1;
    }
    return 0;
  };
  Array.prototype.sort = function(f){
    if(this.length == 0) return this;
    var car = this[0],
        cdr = this.slice(1);
    f = f || _def;
    return cdr.filter(function(elm){
      return f(car, elm) < 0;
    }, this).sort(f)
      .concat(car)
      .concat(cdr.filter(function(elm){
        return f(car, elm) == 0;
      }, this))
      .concat(cdr.filter(function(e){
        return f(car, elm) > 0;
      }, this).sort(f));
  };
})();
Array.prototype.splice = function(m, n /*, arguments*/){
  var i = 0,
      l = this.length,
      argl = arguments.length,
      a = new Array(),
      re = new Array();
  n = n || l;
  for(; i<2; ++i)
    while(arguments[i] < 0) arguments[i] += this.length;
  for(i=0; i<m; ++i) a[a.length] = this[i];
  for(i=m; i<m+n; ++i) re[re.length] = this[i];
  for(i=2; i<argl; ++i) a[a.length] = arguments[i];
  for(i=m+n; i<l; ++i) a[a.length] = this[i];
  if(n == 1) re = this[m];
  this = a;
  return re;
};
Array.prototype.toLocaleString = function(){
  var s = "「" + this[0].toLocaleString();
  for(var i=0, l=this.length; i<l; ++i)
    str += "、" + this[i].toLocaleString();
  return str + "」";
};
Array.prototype.toArray = function(){return this;};//Ex
Array.prototype.toNumber = function(){return this.length;};//Ex
Array.prototype.toString = function(){return this.join();};//Ex
/*Array.prototype.unique = function(f){//Ex
  if(!f) f = function(r, l){return r == l;};
  var a = [],
      i = 0, j = 0, l = this.length, k = a.length,
      tf = true;
  for(; i<l; ++i){
    if(this[i] === undefined) continue;
    for(j=0, k=a.length, tf=true; j<k; ++j)
      if(f(a[j], this[i])){
        tf = false;
        break;
      }
    if(tf) a[a.length] = this[i];
  }
  return a;
};*/
Array.prototype.unshift = function(/*arguments*/){
  var i = arguments.length,
      l = this.length,
      j = l;
  for(; i>0; --i){
    for(j=l; j>0; --j)
      this[j] = this[j-1];
    this[0] = arguments[i];
  }
  return this.length;
};

})();