/****************************************************************
** Licensed Materials - Property of IBM
**
** IBM Cognos Products: Validator
**
** © Copyright IBM Corp. 2005, 2013
** US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. 
*****************************************************************/

// Copyright (C) 2008 IBM Cognos Incorporated. All Rights Reserved.
// IBM Cognos and the IBM Cognos logo are trademarks of IBM Cognos Incorporated.

/*
 * Public API
 */
 
/*
 * Returns 0 on success, a negative integer on fatal code failures, or
 * a positive integer on a verify failure. See CValidator.RES_* for detailed
 * failure codes.
 */
CValidator.prototype = {
	verify: function(name, value) {
		var res = CValidator.RES_VALID;
		var found = false;
		if (typeof this[name] == "function") {
			res = this[name](value);
			found = true;
		}
		for (i = 0; !found && typeof this["npFunc" + i] == "function"; ++i) {
			if (this["npFunc" + i](name)) {
				found = true;
				res = this["npvFunc" + i](value);
			}
		}
		
		if (!found && this["_mandatoryRules"]) {
			res = CValidator.RES_PARAMETER_NOT_FOUND;
		}
		return res
	}
}

CValidator.RES_VALID = 0;
CValidator.RES_PARAMETER_NOT_FOUND = 1;
CValidator.RES_TYPE_BOOLEAN = 100;
CValidator.RES_TYPE_STRING_MIN_LEN = 200;
CValidator.RES_TYPE_STRING_MAX_LEN = 201;
CValidator.RES_NUMERIC_MIN = 300;
CValidator.RES_NUMERIC_MAX = 301;
CValidator.RES_NUMERIC_NAN = 302;
CValidator.RES_INTEGRAL = 400;
CValidator.RES_TYPE_INT = 500;
CValidator.RES_TYPE_LONG = 600;
CValidator.RES_TYPE_UNSIGNED_INT = 700;
CValidator.RES_TYPE_FLOAT = 550;
CValidator.RES_TYPE_DOUBLE = 650;
CValidator.RES_ENUM_EMPTY = 800;
CValidator.RES_ENUM_NOT_FOUND = 901;
CValidator.RES_PATTERN = 1001;
CValidator.RES_INVALID_URL = 2001;

CValidator.REGEXP_URL =
			"^(\/|\\.\/|\\.\\.\/|#.+|[^.]([^:]+\/?))(([^\/]+|([^\/]+\/)+[^\/]+))$" +	// relative path
			"|" + 
			"^http(s)?:\/\/" +                           // protocol
   			"([\\w-]+)([\\w.-]+)([\\w-]+)"    +          // domain
   			"(:(\\d|[1-9]\\d|[1-9]\\d\\d|[1-9]" +        // valid ports
   			"\\d\\d\\d|[1-5]\\d\\d\\d\\d|6[0-4]\\d" +    // 1-65535
   			"\\d\\d|65[0-4]\\d\\d|655[0-2]\\d|6553[0-5]))?" +
   			"((\/?)|" +                                  //  optional if no path
   			"((\/[0-9a-z_!~*'().;?<>:@&=+$,%#-]+)+\/?))$"; // path



/*
 * Private Functions
 *
 * CValidator and methods prefixed by '_' are private and should not be called by components
 */
function CValidator(verifiers) {
	for (var v in verifiers) {
		this[v] = verifiers[v];
	}
}

CValidator.prototype._enumeration = 
	function(v, emptyValid, caseSensitive, items) {
		var	strV = v + "";
		var	res	= CValidator.RES_ENUM_NOT_FOUND;
		if (v.length ==	0) {
			if (emptyValid)	{
				res	= CValidator.RES_VALID;
			} else {
				res	= CValidator.RES_ENUM_EMPTY;
			}
		} else {
			if (!caseSensitive)	{
				strV = strV.toLowerCase();
			}
			for	(i = 0;	i <	items.length; ++i) {
				if (strV ==	items[i]) {
					res	= CValidator.RES_VALID;
				}
			}
		}
		return res;
	}

CValidator.prototype._typeString = 
	function(v, minLen, maxLen, urlType) {
		var strV = v + "";
		var res = CValidator.RES_VALID;
		if (minLen != null && strV.length < minLen) {
			res = CValidator.RES_TYPE_STRING_MIN_LEN;
		} else if (maxLen != null && strV.length > maxLen) {
			res = CValidator.RES_TYPE_STRING_MAX_LEN;
		}
		if (urlType == "true" && res == CValidator.RES_VALID) {
		//Only perform these checks IFF the string is of type urlType.
			//Case insensitive regular expression.
			var r = new RegExp(CValidator.REGEXP_URL, "i");
			if (!r.test(strV)) {
				res = CValidator.RES_INVALID_URL;
			}
		}
		
		return res;
	}

CValidator.prototype._typeBoolean =
	function(v) {
		var	strV = v + "";
		return (strV ==	"true" || strV == "false" || strV == "0" ||	strV ==	"1")? 
			CValidator.RES_VALID : CValidator.RES_TYPE_BOOLEAN;
	}

CValidator._getNumber =
	function(v) {
		var n = v;
		switch ( typeof(v) ) {
		case "number":
			break;
		case "string":
			if (v == "") {
				n = NaN;
			} else if (v == "-0") {
				n = 0;
			} else {
				n = (+v);
				if (!isNaN(n) && ("a" + n) != ("a" + v)) {
					n = NaN;
				}
			}
			break;
		default:
			n = NaN;
			break;
		}
		return n;
	}

CValidator.prototype._checkInteger =
	function(v, n) {
		var	res	= CValidator.RES_VALID;
		var f = Math.floor(n);
		if (v != "-0" && f + "" != v) {
			res = CValidator.RES_INTEGRAL;
		}
		return res;
	}

CValidator.prototype._checkNumber =
	function(n, min, max) {
		var	res	= CValidator.RES_VALID;
		if (isNaN(n)) {
			res = CValidator.RES_NUMERIC_NAN;
		} else if (min != null && n < min) {
			res = CValidator.RES_NUMERIC_MIN;
		} else if (max != null && n > max) {
			res = CValidator.RES_NUMERIC_MAX;
		}
		return res;
	}

CValidator.prototype._typeInt =
	function (v, min, max, emptyValid) {
	    var res = CValidator.RES_VALID;
	    var s = v + "";
	    if (s != "" || !emptyValid) {
	        var n = CValidator._getNumber(v);
	        res = this._checkNumber(n, min, max);
	        if (res == CValidator.RES_VALID) {
	            res = this._checkInteger(v, n);
	            if (res == CValidator.RES_VALID) {
	                if (n < -2147483648 || n > 2147483647) {
	                    res = CValidator.RES_TYPE_INT;
	                }
	            }
	        }
	    }
	    return res;
	}

	CValidator.prototype._typeFloat =
	function (v, min, max, emptyValid) {
	    var res = CValidator.RES_VALID;
	    var s = v + "";
	    if (s != "" || !emptyValid) {
	        var n = CValidator._getNumber(v);
	        res = this._checkNumber(n, min, max);
	    }
	    return res;
	}

	// 
CValidator._CLong64 =
	// s as to be passed as a string
	function(s) {
		this.NaN = true;
		var p = /^[-]?[0-9]{1,19}$/;
		if (p.test(s)) {
			this.NaN = false;
			if (s == "-0") {
				 s = "0";
			}
			if (s.charAt(0) == "-") {
				this.negative = true;
				s = s.substring(1);
			} else {
				this.negative = false;
			}
			
			// check for Java long boundaries -9223372036854775808 and 9223372036854775807
			if (s.length == 19) {
				p = /^([1-8])(9[0-1])|(92[0-1])|(922[0-2])|(9223[0-2])|(92233[0-6])|(922337[0-1])|(92233720[0-2])/;
				if (!p.test(s))  {
					p = /^(922337203[0-5])|(9223372036[0-7])|(92233720368[0-4])|(922337203685[0-3])|(9223372036854[0-6])/;
					if (!p.test(s))  {
						p = /^(92233720368547[0-6])|(922337203685477[0-4])|(9223372036854775[0-7])|(922337203685477580[0-7])/;
						if (!p.test(s))  {
							if (!(this.negative && s.charAt(18) == '8')) {
								this.NaN = true;
							}
						}
					}
				}
			}
			
			if (!this.NaN) {
				this.high = null;
				if (s.length > 10) {
					this.high = s.substring(0, 10);
					if (this.high == NaN) {
						this.NaN = true;
					}
					this.low = CValidator._getNumber(s.substring(10));
				} else {
					this.low = CValidator._getNumber(s);
				}
				if (this.low == NaN) {
					this.NaN = true;
				}
			}
		}
	}

CValidator._CLong64.prototype = {
	"smallerThan": function(min) {
		var res = false;
		var min64 = new CValidator._CLong64(min);
		if (min64 != null) {
			if (this.negative && !min64.negative) {
				res = true;
			} else if (!this.negative && min64.negative) {
				res = false;
			} else if (this.high == null && min64.high == null) {
				res = this.negative? this.low > min64.low : this.low < min64.low;
			} else if (this.high != null && min64.high == null) {
				res = this.negative;
			} else if (this.high == null && min64.high != null) {
				res = !this.negative;
			} else { // this.high != null && this.min64 != null
				if (this.high == min64.high) {
					res = this.negative? this.low > min64.low : this.low < min64.low;
				} else {
					res = this.negative? this.high > min64.high : this.high < min64.high;
				}
			}
		}
		return res;
	},
	"greaterThan": function(max) {
		var res = false;
		var max64 = new CValidator._CLong64(max);
		if (max64 != null) {
			if (!this.negative && max64.negative) {
				res = true;
			} else if (this.negative && !max64.negative) {
				res = false;
			} else if (this.high == null && max64.high == null) {
				res = this.negative? this.low < max64.low : this.low > max64.low;
			} else if (this.high != null && max64.high == null) {
				res = !this.negative;
			} else if (this.high == null && max64.high != null) {
				res = this.negative;
			} else { // this.high != null && this.min64 != null
				if (this.high == max64.high) {
					res = this.negative? this.low < max64.low : this.low > max64.low;
				} else {
					res = this.negative? this.high < max64.low : this.high > max64.low;
				}
			}
		}
		return res;
	}
}

CValidator._CDouble64 =
// s as to be passed as a string
	function (s) {
	    this.NaN = true;
	    var p = /^[-]?\d+.?\d*$/;
	    if (p.test(s)) {
	        this.NaN = false;
	        if (s == "-0") {
	            s = "0";
	        }
	        if (s.charAt(0) == "-") {
	            this.negative = true;
	            s = s.substring(1);
	        } else {
	            this.negative = false;
	        }
	        var indexOfDecimal = s.indexOf(".");

	        if (indexOfDecimal != -1) {
	            this.fractional = CValidator._getNumber(s.substring(indexOfDecimal + 1));
	            if (this.fractional == NaN) {
	                this.fractional = null;
	            }
	            s = s.substring(0, indexOfDecimal - 1);
	        } else {
	            this.fractional = null;
	        }

	        if (!this.NaN) {
	            this.high = null;
	            if (s.length > 10) {
	                this.high = s.substring(0, 10);
	                if (this.high == NaN) {
	                    this.NaN = true;
	                }
	                this.low = CValidator._getNumber(s.substring(10));
	            } else {
	                this.low = CValidator._getNumber(s);
	            }
	            if (this.low == NaN) {
	                this.NaN = true;
	            }
	        }
	    }
	}

	CValidator._CDouble64.prototype = {
	    "smallerThan": function (min) {
	        var res = false;
	        var min64 = new CValidator._CDouble64(min);
	        if (min64 != null) {
	            if (this.negative && !min64.negative) {
	                res = true;
	            } else if (!this.negative && min64.negative) {
	                res = false;
	            } else if (this.high == null && min64.high == null) {
	                if (this.low == min64.low) {
	                    if (this.fractional != null && min64.fractional != null) {
	                        res = this.negative ? this.fractional > min64.fractional : this.fractional < min64.fractional;
	                    } else if (this.fractional == null && min64.fractional == null) {
	                        res = true;
	                    } else if (this.fractional == null && min64.fractional != null) {
	                        res = !this.negative;
	                    } else if (this.fractional != null && min64.fractional == null) {
	                        res = this.negative;
	                    }
	                } else {
	                    res = this.negative ? this.low > min64.low : this.low < min64.low;
	                }
	            } else if (this.high != null && min64.high == null) {
	                res = this.negative;
	            } else if (this.high == null && min64.high != null) {
	                res = !this.negative;
	            } else { // this.high != null && this.min64 != null
	                if (this.high == min64.high) {
	                    if (this.low == min64.low) {
	                        if (this.fractional != null && min64.fractional != null) {
	                            res = this.negative ? this.fractional > min64.fractional : this.fractional < min64.fractional;
	                        } else if (this.fractional == null && min64.fractional == null) {
	                            res = true;
	                        } else if (this.fractional == null && min64.fractional != null) {
	                            res = !this.negative;
	                        } else if (this.fractional != null && min64.fractional == null) {
	                            res = this.negative;
	                        }
	                    } else {
	                        res = this.negative ? this.low > min64.low : this.low < min64.low;
	                    }
	                } else {
	                    res = this.negative ? this.high > min64.high : this.high < min64.high;
	                }
	            }
	        }
	        return res;
	    },
	    "greaterThan": function (max) {
	        var res = false;
	        var max64 = new CValidator._CDouble64(max);
	        if (max64 != null) {
	            if (!this.negative && max64.negative) {
	                res = true;
	            } else if (this.negative && !max64.negative) {
	                res = false;
	            } else if (this.high == null && max64.high == null) {
	                if (this.low == max64.low) {
	                    if (this.fractional != null && min64.fractional != null) {
	                        res = this.negative ? this.fractional < max64.fractional : this.fractional > max64.fractional;
	                    } else if (this.fractional == null && max64.fractional == null) {
	                        res = true;
	                    } else if (this.fractional == null && max64.fractional != null) {
	                        res = this.negative;
	                    } else if (this.fractional != null && max64.fractional == null) {
	                        res = !this.negative;
	                    }
	                } else {
	                    res = this.negative ? this.low < max64.low : this.low > max64.low;
	                }
	            } else if (this.high != null && max64.high == null) {
	                res = !this.negative;
	            } else if (this.high == null && max64.high != null) {
	                res = this.negative;
	            } else { // this.high != null && this.min64 != null
	                if (this.high == max64.high) {
	                    if (this.low == max64.low) {
	                        if (this.fractional != null && min64.fractional != null) {
	                            res = this.negative ? this.fractional < max64.fractional : this.fractional > max64.fractional;
	                        } else if (this.fractional == null && max64.fractional == null) {
	                            res = true;
	                        } else if (this.fractional == null && max64.fractional != null) {
	                            res = this.negative;
	                        } else if (this.fractional != null && max64.fractional == null) {
	                            res = !this.negative;
	                        }
	                    } else {
	                        res = this.negative ? this.low < max64.low : this.low > max64.low;
	                    }
	                } else {
	                    res = this.negative ? this.high < max64.low : this.high > max64.low;
	                }
	            }
	        }
	        return res;
	    }
	}

CValidator.prototype._typeLong =
	function (v, min, max, emptyValid) {
	    var res = CValidator.RES_VALID;
	    var s = v + "";
	    if (s != "" || !emptyValid) {
	        var s64 = new CValidator._CLong64(s);
	        if (s64.NaN) {
	            res = CValidator.RES_NUMERIC_NAN;
	        } else {
	            if (min != null) {
	                if (s64.smallerThan(min)) {
	                    res = CValidator.RES_NUMERIC_MIN;
	                }
	            }
	            if (res == CValidator.RES_VALID && max != null) {
	                if (s64.greaterThan(max)) {
	                    res = CValidator.RES_NUMERIC_MAX;
	                }
	            }
	        }
	    }
	    return res;
	}

	CValidator.prototype._typeDouble =
	function (v, min, max, emptyValid) {
	    var res = CValidator.RES_VALID;
	    var s = v + "";
	    if (s != "" || !emptyValid) {
	        var s64 = new CValidator._CDouble64(s);
	        if (s64.NaN) {
	            res = CValidator.RES_NUMERIC_NAN;
	        } else {
	            if (min != null) {
	                if (s64.smallerThan(min)) {
	                    res = CValidator.RES_NUMERIC_MIN;
	                }
	            }
	            if (res == CValidator.RES_VALID && max != null) {
	                if (s64.greaterThan(max)) {
	                    res = CValidator.RES_NUMERIC_MAX;
	                }
	            }
	        }
	    }
	    return res;
	}

	CValidator.prototype._typeUnsignedInt =
	function(v, min, max, emptyValid) {
		var res = CValidator.RES_VALID;
		var s = v + "";
		if (s != "" || !emptyValid) {
			var n = CValidator._getNumber(v);
			res = this._checkNumber(n, min, max);
			if (res == CValidator.RES_VALID) {
				res = this._checkInteger(v, n);
				if (res == CValidator.RES_VALID) {
					if (n < 0 || n > 4294967295) {
						res = CValidator.RES_TYPE_UNSIGNED_INT;
					}
				}
			}
		}
		return res;
	}
	
CValidator.prototype._pattern =
	function(v, caseSensitive, not, findMode, regex) {
		var res = CValidator.RES_VALID;
		var a = "";
		if (!caseSensitive) {
			a += "i";
		}
		if (!findMode) {
			regex = "^" + regex + "$";
		}
		var r = new RegExp(regex, a);
		if (r.test(v)) {
			if (not) {
				res = CValidator.RES_PATTERN;
			}
		} else {
			if (!not) {
				res = CValidator.RES_PATTERN;
			}
		} 
		return res;
	}

CValidator.prototype._checkGlobals =
	function(v) {
		var res = CValidator.RES_VALID;
		for (i = 0; res == CValidator.RES_VALID && typeof this["gFunc" + i] == "function"; ++i) {
			res = this["gFunc" + i](v) != CValidator.RES_VALID;
		}
		return res;
	}