Inputmask/lib/validation.js

import {
	determineTestTemplate,
	getDecisionTaker,
	getPlaceholder,
	getTest,
	getTests,
	getTestTemplate
} from "./validation-tests";
import {keyCode, keys} from "./keycode.js";
import {
	determineLastRequiredPosition, determineNewCaretPosition,
	getBuffer,
	getLastValidPosition,
	isMask,
	resetMaskSet,
	seekNext,
	seekPrevious
} from "./positioning";
import {EventHandlers} from "./eventhandlers";

export {
	alternate,
	checkAlternationMatch,
	isComplete,
	isSelection,
	isValid,
	refreshFromBuffer,
	revalidateMask,
	handleRemove
};

//tobe put on prototype?
function alternate(maskPos, c, strict, fromIsValid, rAltPos, selection) { //pos == true => generalize
	const inputmask = this,
		$ = this.dependencyLib,
		opts = this.opts,
		maskset = inputmask.maskset;

	var validPsClone = $.extend(true, [], maskset.validPositions),
		tstClone = $.extend(true, {}, maskset.tests),
		lastAlt,
		alternation,
		isValidRslt = false, returnRslt = false,
		altPos, prevAltPos, i, validPos,
		decisionPos,
		lAltPos = rAltPos !== undefined ? rAltPos : getLastValidPosition.call(inputmask), nextPos, input, begin, end;

	if (selection) {
		begin = selection.begin;
		end = selection.end;
		if (selection.begin > selection.end) {
			begin = selection.end;
			end = selection.begin;
		}
	}
	if (lAltPos === -1 && rAltPos === undefined) { //do not recurse when already paste the beginning
		lastAlt = 0;
		prevAltPos = getTest.call(inputmask, lastAlt);
		alternation = prevAltPos.alternation;
	} else {
		//find last modified alternation
		for (; lAltPos >= 0; lAltPos--) {
			altPos = maskset.validPositions[lAltPos];
			if (altPos && altPos.alternation !== undefined) {
				if (lAltPos <= (maskPos || 0) && prevAltPos && prevAltPos.locator[altPos.alternation] !== altPos.locator[altPos.alternation]) {
					break;
				}
				lastAlt = lAltPos;
				alternation = maskset.validPositions[lastAlt].alternation;
				prevAltPos = altPos;
			}
		}
	}

	if (alternation !== undefined) {
		decisionPos = parseInt(lastAlt);
		maskset.excludes[decisionPos] = maskset.excludes[decisionPos] || [];
		if (maskPos !== true) { //generalize
			maskset.excludes[decisionPos].push(getDecisionTaker(prevAltPos) + ":" + prevAltPos.alternation);
		}

		var validInputs = [], resultPos = -1;
		for (i = decisionPos; i < getLastValidPosition.call(inputmask, undefined, true) + 1; i++) {
			if (resultPos === -1 && maskPos <= i && c !== undefined) {
				validInputs.push(c);
				resultPos = validInputs.length - 1;
			}
			validPos = maskset.validPositions[i];
			if (validPos && validPos.generatedInput !== true && (selection === undefined || (i < begin || i >= end))) {
				validInputs.push(validPos.input);
			}
			delete maskset.validPositions[i];
		}
		if (resultPos === -1 && c !== undefined) {
			validInputs.push(c);
			resultPos = validInputs.length - 1;
		}

		while (maskset.excludes[decisionPos] !== undefined && maskset.excludes[decisionPos].length < 10) {
			// maskset.tests[decisionPos] = undefined; //clear decisionPos
			maskset.tests = {};  //clear all
			resetMaskSet.call(inputmask, true); //clear getbuffer
			isValidRslt = true;
			for (i = 0; i < validInputs.length; i++) {
				nextPos = isValidRslt.caret || (getLastValidPosition.call(inputmask, undefined, true) + 1);
				input = validInputs[i];
				// nextPos = translatePosition.call(inputmask, nextPos);
				if (!(isValidRslt = isValid.call(inputmask, nextPos, input, false, fromIsValid, true))) {
					break;
				}
				if (i === resultPos) {
					returnRslt = isValidRslt;
				}
				if (maskPos == true && isValidRslt) {  //return validposition on generalise
					returnRslt = {caretPos: i};
				}
			}
			if (!isValidRslt) {
				resetMaskSet.call(inputmask);
				prevAltPos = getTest.call(inputmask, decisionPos);  //get the current decisionPos to exclude ~ needs to be before restoring the initial validation
				//reset & revert
				maskset.validPositions = $.extend(true, [], validPsClone);
				maskset.tests = $.extend(true, {}, tstClone); //refresh tests after possible alternating
				if (maskset.excludes[decisionPos]) {
					var decisionTaker = getDecisionTaker(prevAltPos);
					if (maskset.excludes[decisionPos].indexOf(decisionTaker + ":" + prevAltPos.alternation) !== -1) {
						returnRslt = alternate.call(inputmask, maskPos, c, strict, fromIsValid, decisionPos - 1, selection);
						break;
					}
					maskset.excludes[decisionPos].push(decisionTaker + ":" + prevAltPos.alternation);
					for (i = decisionPos; i < getLastValidPosition.call(inputmask, undefined, true) + 1; i++) delete maskset.validPositions[i];
				} else { //latest alternation
					returnRslt = alternate.call(inputmask, maskPos, c, strict, fromIsValid, decisionPos - 1, selection);
					break;
				}
			} else {
				break;
			}
		}
	}
	//reset alternation excludes
	if (!returnRslt || opts.keepStatic !== false) {
		delete maskset.excludes[decisionPos];
	}
	return returnRslt;
}

function casing(elem, test, pos) {
	const opts = this.opts,
		maskset = this.maskset;

	switch (opts.casing || test.casing) {
		case "upper":
			elem = elem.toUpperCase();
			break;
		case "lower":
			elem = elem.toLowerCase();
			break;
		case "title":
			var posBefore = maskset.validPositions[pos - 1];
			if (pos === 0 || posBefore && posBefore.input === String.fromCharCode(keyCode.Space)) {
				elem = elem.toUpperCase();
			} else {
				elem = elem.toLowerCase();
			}
			break;
		default:
			if (typeof opts.casing === "function") {
				var args = Array.prototype.slice.call(arguments);
				args.push(maskset.validPositions);
				elem = opts.casing.apply(this, args);
			}
	}

	return elem;
}

//tobe put on prototype?
function checkAlternationMatch(altArr1, altArr2, na) {
	const opts = this.opts;

	var altArrC = opts.greedy ? altArr2 : altArr2.slice(0, 1),
		isMatch = false,
		naArr = na !== undefined ? na.split(",") : [],
		naNdx;

	//remove no alternate indexes from alternation array
	for (var i = 0; i < naArr.length; i++) {
		if ((naNdx = altArr1.indexOf(naArr[i])) !== -1) {
			altArr1.splice(naNdx, 1);
		}
	}

	for (var alndx = 0; alndx < altArr1.length; alndx++) {
		if (altArrC.includes(altArr1[alndx])) {
			isMatch = true;
			break;
		}
	}
	return isMatch;
}

//tobe put on prototype?
function handleRemove(input, c, pos, strict, fromIsValid) {
	const inputmask = this, maskset = this.maskset, opts = this.opts;

	if (opts.numericInput || inputmask.isRTL) {
		if (c === keys.Backspace) {
			c = keys.Delete;
		} else if (c === keys.Delete) {
			c = keys.Backspace;
		}

		if (inputmask.isRTL) {
			var pend = pos.end;
			pos.end = pos.begin;
			pos.begin = pend;
		}
	}

	var lvp = getLastValidPosition.call(inputmask, undefined, true);
	if (pos.end >= getBuffer.call(inputmask).length && lvp >= pos.end) { //handle numeric negate symbol offset, due to  dynamic jit masking
		pos.end = lvp + 1;
	}

	if (c === keys.Backspace) {
		if ((pos.end - pos.begin < 1)) {
			pos.begin = seekPrevious.call(inputmask, pos.begin);
		}
	} else if (c === keys.Delete) {
		if (pos.begin === pos.end) {
			pos.end = isMask.call(inputmask, pos.end, true, true) ? pos.end + 1 : seekNext.call(inputmask, pos.end) + 1;
		}
	}
	var offset;
	if ((offset = revalidateMask.call(inputmask, pos)) !== false) {
		if (strict !== true && opts.keepStatic !== false || (opts.regex !== null && getTest.call(inputmask, pos.begin).match.def.indexOf("|") !== -1)) { //TODO NEEDS BETTER CHECK WHEN TO ALTERNATE  ~ opts regex isn"t good enough
			var result = alternate.call(inputmask, true);
			if (result) {
				var newPos = result.caret !== undefined ? result.caret : (result.pos ? seekNext.call(inputmask, result.pos.begin ? result.pos.begin : result.pos) : getLastValidPosition.call(inputmask, -1, true));
				if (c !== keys.Delete || pos.begin > newPos) {
					pos.begin == newPos;
				}
			}
		}

		if (strict !== true) {
			maskset.p = c === keys.Delete ? pos.begin + offset : pos.begin;
			maskset.p = determineNewCaretPosition.call(inputmask, {
				begin: maskset.p,
				end: maskset.p
			}, false, opts.insertMode === false && c === keys.Backspace ? "none" : undefined).begin;
		}
	}
}

//tobe put on prototype?
function isComplete(buffer) { //return true / false / undefined (repeat *)
	const inputmask = this, opts = this.opts, maskset = this.maskset;

	if (typeof opts.isComplete === "function") return opts.isComplete(buffer, opts);
	if (opts.repeat === "*") return undefined;
	var complete = false,
		lrp = determineLastRequiredPosition.call(inputmask, true),
		aml = seekPrevious.call(inputmask, lrp.l);

	if (lrp.def === undefined || lrp.def.newBlockMarker || lrp.def.optionality || lrp.def.optionalQuantifier) {
		complete = true;
		for (var i = 0; i <= aml; i++) {
			var test = getTestTemplate.call(inputmask, i).match;
			if ((test.static !== true && maskset.validPositions[i] === undefined && test.optionality !== true && test.optionalQuantifier !== true) || (test.static === true && buffer[i] !== getPlaceholder.call(inputmask, i, test))) {
				complete = false;
				break;
			}
		}
	}
	return complete;
}

function isSelection(posObj) {
	const inputmask = this,
		opts = this.opts, insertModeOffset = opts.insertMode ? 0 : 1;
	return inputmask.isRTL ? (posObj.begin - posObj.end) > insertModeOffset : (posObj.end - posObj.begin) > insertModeOffset;
}

//tobe put on prototype?
function isValid(pos, c, strict, fromIsValid, fromAlternate, validateOnly, fromCheckval) { //strict true ~ no correction or autofill
	const inputmask = this,
		$ = this.dependencyLib,
		opts = this.opts,
		maskset = inputmask.maskset;

	strict = strict === true; //always set a value to strict to prevent possible strange behavior in the extensions

	var maskPos = pos;
	if (pos.begin !== undefined) { //position was a position object - used to handle a delete by typing over a selection
		maskPos = inputmask.isRTL ? pos.end : pos.begin;
	}

	function processCommandObject(commandObj) {
		if (commandObj !== undefined) {
			if (commandObj.remove !== undefined) { //remove position(s)
				if (!Array.isArray(commandObj.remove)) commandObj.remove = [commandObj.remove];
				commandObj.remove.sort(function (a, b) {
					return inputmask.isRTL ? a.pos - b.pos : b.pos - a.pos;
				}).forEach(function (lmnt) {
					revalidateMask.call(inputmask, {begin: lmnt, end: lmnt + 1});
				});
				commandObj.remove = undefined;
			}
			if (commandObj.insert !== undefined) { //insert position(s)
				if (!Array.isArray(commandObj.insert)) commandObj.insert = [commandObj.insert];
				commandObj.insert.sort(function (a, b) {
					return inputmask.isRTL ? b.pos - a.pos : a.pos - b.pos;
				}).forEach(function (lmnt) {
					if (lmnt.c !== "") {
						isValid.call(inputmask, lmnt.pos, lmnt.c, lmnt.strict !== undefined ? lmnt.strict : true, lmnt.fromIsValid !== undefined ? lmnt.fromIsValid : fromIsValid);
					}
				});
				commandObj.insert = undefined;
			}

			if (commandObj.refreshFromBuffer && commandObj.buffer) {
				var refresh = commandObj.refreshFromBuffer;
				refreshFromBuffer.call(inputmask, refresh === true ? refresh : refresh.start, refresh.end, commandObj.buffer);
				commandObj.refreshFromBuffer = undefined;
			}

			if (commandObj.rewritePosition !== undefined) {
				maskPos = commandObj.rewritePosition;
				// commandObj.rewritePosition = undefined;
				commandObj = true;
			}
		}
		return commandObj;
	}

	function _isValid(position, c, strict) {
		var rslt = false;
		getTests.call(inputmask, position).every(function (tst, ndx) {
			var test = tst.match;
			//make sure the buffer is set and correct
			getBuffer.call(inputmask, true);
			if (test.jit && maskset.validPositions[seekPrevious.call(inputmask, position)] === undefined) //ignore if jit is not desirable
			{
				rslt = false;
			} else {
				//return is false or a json object => { pos: ??, c: ??} or true
				rslt = test.fn != null ?
					test.fn.test(c, maskset, position, strict, opts, isSelection.call(inputmask, pos)) : (c === test.def || c === opts.skipOptionalPartCharacter) && test.def !== "" ? //non mask
						{
							c: getPlaceholder.call(inputmask, position, test, true) || test.def,
							pos: position
						} : false;
			}
			if (rslt !== false) {
				var elem = rslt.c !== undefined ? rslt.c : c, validatedPos = position;
				elem = (elem === opts.skipOptionalPartCharacter && test.static === true) ?
					(getPlaceholder.call(inputmask, position, test, true) || test.def) : elem;

				rslt = processCommandObject(rslt);

				if (rslt !== true && rslt.pos !== undefined && rslt.pos !== position) { //their is a position offset
					validatedPos = rslt.pos;
				}

				if (rslt !== true && rslt.pos === undefined && rslt.c === undefined) {
					return false; //breakout if nothing to insert
				}

				if (revalidateMask.call(inputmask, pos, $.extend({}, tst, {
					"input": casing.call(inputmask, elem, test, validatedPos)
				}), fromIsValid, validatedPos) === false) {
					rslt = false;
				}
				return false; //break from loop
			}

			return true;
		});
		return rslt;
	}

	var result = true,
		positionsClone = $.extend(true, {}, maskset.validPositions); //clone the currentPositions

	if (opts.keepStatic === false && maskset.excludes[maskPos] !== undefined && fromAlternate !== true && fromIsValid !== true) {
		for (var i = maskPos; i < (inputmask.isRTL ? pos.begin : pos.end); i++) {
			if (maskset.excludes[i] !== undefined) {
				maskset.excludes[i] = undefined;
				delete maskset.tests[i];
			}
		}
	}

	if (typeof opts.preValidation === "function" && fromIsValid !== true && validateOnly !== true) {
		result = opts.preValidation.call(inputmask, getBuffer.call(inputmask), maskPos, c, isSelection.call(inputmask, pos), opts, maskset, pos, strict || fromAlternate);
		result = processCommandObject(result);
	}
	if (result === true) { //preValidation result
		result = _isValid(maskPos, c, strict);
		if ((!strict || fromIsValid === true) && result === false && validateOnly !== true) {
			var currentPosValid = maskset.validPositions[maskPos];
			if (currentPosValid && currentPosValid.match.static === true && (currentPosValid.match.def === c || c === opts.skipOptionalPartCharacter)) {
				result = {
					"caret": seekNext.call(inputmask, maskPos)
				};
			} else {
				if (opts.insertMode || maskset.validPositions[seekNext.call(inputmask, maskPos)] === undefined || pos.end > maskPos) { //does the input match on a further position?
					var skip = false;
					if (maskset.jitOffset[maskPos] && maskset.validPositions[seekNext.call(inputmask, maskPos)] === undefined) {
						result = isValid.call(inputmask, maskPos + maskset.jitOffset[maskPos], c, true, true);
						if (result !== false) {
							if (fromAlternate !== true) result.caret = maskPos;
							skip = true;
						}
					}
					if (pos.end > maskPos) {
						maskset.validPositions[maskPos] = undefined;
					}
					if (!skip && !isMask.call(inputmask, maskPos, opts.keepStatic && maskPos === 0)) {
						for (var nPos = maskPos + 1, snPos = seekNext.call(inputmask, maskPos, false, maskPos !== 0); nPos <= snPos; nPos++) {
							// if (!isMask(nPos, true)) {
							// 	continue;
							// }
							result = _isValid(nPos, c, strict);
							if (result !== false) {
								result = trackbackPositions.call(inputmask, maskPos, result.pos !== undefined ? result.pos : nPos) || result;
								maskPos = nPos;
								break;
							}
						}
					}
				}
			}
		}

		if (inputmask.hasAlternator && fromAlternate !== true && !strict) {
			if (result === false && opts.keepStatic && (isComplete.call(inputmask, getBuffer.call(inputmask)) || maskPos === 0)) { //try fuzzy alternator logic
				result = alternate.call(inputmask, maskPos, c, strict, fromIsValid, undefined, pos);
			} else if (isSelection.call(inputmask, pos) && maskset.tests[maskPos] && maskset.tests[maskPos].length > 1 && opts.keepStatic) { //selection clears an alternated keepstatic mask ~ #2189
				result = alternate.call(inputmask, true);
			} else if (result == true && opts.numericInput !== true && maskset.tests[maskPos] && maskset.tests[maskPos].length > 1 && getLastValidPosition.call(inputmask, undefined, true) > maskPos) {
				result = alternate.call(inputmask, true);
			}
		}

		if (result === true) {
			result = {
				"pos": maskPos
			};
		}
	}
	if (typeof opts.postValidation === "function" && fromIsValid !== true && validateOnly !== true) {
		var postResult = opts.postValidation.call(inputmask, getBuffer.call(inputmask, true), pos.begin !== undefined ? (inputmask.isRTL ? pos.end : pos.begin) : pos, c, result, opts, maskset, strict, fromCheckval);
		if (postResult !== undefined) {
			result = postResult === true ? result : postResult;
		}
	}

	if (result && result.pos === undefined) {
		result.pos = maskPos;
	}

	if (result === false || validateOnly === true) {
		resetMaskSet.call(inputmask, true);
		maskset.validPositions = $.extend(true, [], positionsClone); //revert validation changes
	} else {
		trackbackPositions.call(inputmask, undefined, maskPos, true);
	}

	var endResult = processCommandObject(result);
	// console.log("returned result " + JSON.stringify(endResult));
	if (inputmask.maxLength !== undefined) {
		var buffer = getBuffer.call(inputmask);
		if (buffer.length > inputmask.maxLength && !fromIsValid) {
			resetMaskSet.call(inputmask, true);
			maskset.validPositions = $.extend(true, [], positionsClone); //revert validation changes
			endResult = false;
		}
	}
	return endResult;
}

//tobe put on prototype?
function positionCanMatchDefinition(pos, testDefinition, opts) {
	const inputmask = this,
		maskset = this.maskset;

	var valid = false,
		tests = getTests.call(inputmask, pos);
	for (var tndx = 0; tndx < tests.length; tndx++) {
		if (tests[tndx].match &&
			((tests[tndx].match["nativeDef"] === testDefinition.match[opts.shiftPositions ? "def" : "nativeDef"] && (!opts.shiftPositions || !testDefinition.match.static)) ||
				tests[tndx].match["nativeDef"] === testDefinition.match["nativeDef"] ||
				(opts.regex && !tests[tndx].match.static && tests[tndx].match.fn.test(testDefinition.input, maskset, pos, false, opts)))) {
			valid = true;
			break;
		} else if (tests[tndx].match && tests[tndx].match["def"] === testDefinition.match["nativeDef"]) {
			valid = undefined;
			break;
		}
	}
	if (valid === false) {
		if (maskset.jitOffset[pos] !== undefined) {
			valid = positionCanMatchDefinition.call(inputmask, pos + maskset.jitOffset[pos], testDefinition, opts);
		}
	}
	return valid;
}

//tobe put on prototype?
function refreshFromBuffer(start, end, buffer) {
	const inputmask = this,
		maskset = this.maskset,
		opts = this.opts,
		$ = this.dependencyLib;
	// checkVal.call(inputmask, el, false, true, isRTL ? buffer.reverse() : buffer);
	var i, p, skipOptionalPartCharacter = opts.skipOptionalPartCharacter,
		bffr = inputmask.isRTL ? buffer.slice().reverse() : buffer;
	opts.skipOptionalPartCharacter = "";
	if (start === true) {
		resetMaskSet.call(inputmask);
		maskset.tests = {}; //refresh tests after possible alternating
		start = 0;
		end = buffer.length;
		p = determineNewCaretPosition.call(inputmask, {begin: 0, end: 0}, false).begin;
	} else {
		for (i = start; i < end; i++) {
			delete maskset.validPositions[i];
		}
		p = start;
	}

	var keypress = new $.Event("keypress");
	for (i = start; i < end; i++) {
		keypress.key = bffr[i].toString();
		inputmask.ignorable = false; //make sure ignorable is ignored ;-)
		var valResult = EventHandlers.keypressEvent.call(inputmask, keypress, true, false, false, p);
		if (valResult !== false && valResult !== undefined) {
			p = valResult.forwardPosition;
		}
	}

	opts.skipOptionalPartCharacter = skipOptionalPartCharacter;
}

//tobe put on prototype?
//fill in best positions according the current input
function trackbackPositions(originalPos, newPos, fillOnly) {
	const inputmask = this,
		maskset = this.maskset,
		$ = this.dependencyLib;

	// console.log("trackbackPositions " + originalPos + " " + newPos);
	if (originalPos === undefined) {
		//find previous valid
		for (originalPos = newPos - 1; originalPos > 0; originalPos--) {
			if (maskset.validPositions[originalPos]) break;
		}
	}
	for (var ps = originalPos; ps < newPos; ps++) {
		if (maskset.validPositions[ps] === undefined && !isMask.call(inputmask, ps, false)) {
			var vp = ps == 0 ? getTest.call(inputmask, ps) : maskset.validPositions[ps - 1];
			if (vp) {
				var tests = getTests.call(inputmask, ps).slice();
				if (tests[tests.length - 1].match.def === "") tests.pop();
				var bestMatch = determineTestTemplate.call(inputmask, ps, tests), np;
				if (bestMatch && (bestMatch.match.jit !== true || (bestMatch.match.newBlockMarker === "master" && (np = maskset.validPositions[ps + 1]) && np.match.optionalQuantifier === true))) {
					bestMatch = $.extend({}, bestMatch, {
						"input": getPlaceholder.call(inputmask, ps, bestMatch.match, true) || bestMatch.match.def
					});
					bestMatch.generatedInput = true;
					revalidateMask.call(inputmask, ps, bestMatch, true);

					if (fillOnly !== true) {
						//revalidate the new position to update the locator value
						var cvpInput = maskset.validPositions[newPos].input;
						maskset.validPositions[newPos] = undefined;
						return isValid.call(inputmask, newPos, cvpInput, true, true);
					}
				}
			}
		}
	}
}

//tobe put on prototype?
function revalidateMask(pos, validTest, fromIsValid, validatedPos) {
	const inputmask = this,
		maskset = this.maskset,
		opts = this.opts,
		$ = this.dependencyLib;

	function IsEnclosedStatic(pos, valids, selection) {
		var posMatch = valids[pos];
		if (posMatch !== undefined && posMatch.match.static === true && posMatch.match.optionality !== true && (valids[0] === undefined || valids[0].alternation === undefined)) {
			var prevMatch = selection.begin <= pos - 1 ? valids[pos - 1] && valids[pos - 1].match.static === true && valids[pos - 1] : valids[pos - 1],
				nextMatch = selection.end > pos + 1 ? valids[pos + 1] && valids[pos + 1].match.static === true && valids[pos + 1] : valids[pos + 1];
			return prevMatch && nextMatch;
		}
		return false;
	}

	var offset = 0, begin = pos.begin !== undefined ? pos.begin : pos, end = pos.end !== undefined ? pos.end : pos,
		valid = true;
	if (pos.begin > pos.end) {
		begin = pos.end;
		end = pos.begin;
	}

	validatedPos = validatedPos !== undefined ? validatedPos : begin;
	if (fromIsValid === undefined && (begin !== end || (opts.insertMode && maskset.validPositions[validatedPos] !== undefined) || validTest === undefined || validTest.match.optionalQuantifier || validTest.match.optionality)) {
		//reposition & revalidate others
		var positionsClone = $.extend(true, {}, maskset.validPositions),
			lvp = getLastValidPosition.call(inputmask, undefined, true),
			i;
		maskset.p = begin; //needed for alternated position after overtype selection

		for (i = lvp; i >= begin; i--) {
			delete maskset.validPositions[i];
			if (validTest === undefined) delete maskset.tests[i + 1];
		}

		var j = validatedPos,
			posMatch = j, t, canMatch, test;

		if (validTest) {
			maskset.validPositions[validatedPos] = $.extend(true, {}, validTest);
			posMatch++;
			j++;
		}

		for (i = validTest ? end : end - 1; i <= lvp; i++) {
			if ((t = positionsClone[i]) !== undefined && t.generatedInput !== true &&
				(i >= end || (i >= begin && IsEnclosedStatic(i, positionsClone, {
					begin: begin,
					end: end
				})))) {
				while (test = getTest.call(inputmask, posMatch), test.match.def !== "") { //loop needed to match further positions
					if ((canMatch = positionCanMatchDefinition.call(inputmask, posMatch, t, opts)) !== false || t.match.def === "+") { //validated match //we still need some hackery for the + validator (numeric alias)
						if (t.match.def === "+") getBuffer.call(inputmask, true);
						var result = isValid.call(inputmask, posMatch, t.input, t.match.def !== "+", /*t.match.def !== "+"*/ true);
						valid = result !== false;
						j = (result.pos || posMatch) + 1;
						if (!valid && canMatch) break;
					} else {
						valid = false;
					}
					if (valid) {
						if (validTest === undefined && t.match.static && i === pos.begin) offset++;
						break;
					}
					if (!valid && getBuffer.call(inputmask), posMatch > maskset.maskLength) {
						break;
					}
					posMatch++;
				}
				if (getTest.call(inputmask, posMatch).match.def == "") {
					valid = false;
				}
				//restore position
				posMatch = j;
			}
			if (!valid) break;
		}
		if (!valid) {
			maskset.validPositions = $.extend(true, [], positionsClone);
			resetMaskSet.call(inputmask, true);
			return false;
		}
	} else if (validTest && getTest.call(inputmask, validatedPos).match.cd === validTest.match.cd) {
		maskset.validPositions[validatedPos] = $.extend(true, {}, validTest);
	}

	resetMaskSet.call(inputmask, true);
	return offset;
}