validate.js
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/**
* Copyright (C) 2016 Michael Kourlas
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
* Verifies that the specified string only contains characters permitted by the
* XML specification.
*
* @param str The string to validate.
*
* @returns Whether the specified string only contains characters permitted by
* the XML specification.
*
* @private
*/
function validateChar(str) {
var charRegex = "\\u0009|\\u000A|\\u000D|[\\u0020-\\uD7FF]|"
+ "[\\uE000-\\uFFFD]";
var surrogateCharRegex = "[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]";
return new RegExp("^((" + charRegex + ")|(" + surrogateCharRegex + "))*$")
.test(str);
}
exports.validateChar = validateChar;
/**
* Verifies that the specified string only contains a single character, and
* that this character is permitted by the XML specification.
*
* @param str The string to validate.
*
* @returns Whether the specified string only contains a single character, and
* that this character is permitted by the XML specification.
*
* @private
*/
function validateSingleChar(str) {
if (str.length === 1) {
return new RegExp("^\\u0009|\\u000A|\\u000D|[\\u0020-\\uD7FF]|"
+ "[\\uE000-\\uFFFD]$").test(str);
}
else if (str.length === 2) {
return new RegExp("^[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]$").test(str);
}
else {
return false;
}
}
exports.validateSingleChar = validateSingleChar;
/**
* Verifies that the specified string only contains characters permitted by the
* XML specification for names.
*
* @param str The string to validate.
*
* @returns Whether the specified string only contains characters permitted by
* the XML specification for names.
*
* @private
*/
function validateName(str) {
if (str.length === 0) {
return false;
}
var nameStartChar = ":|[A-Z]|_|[a-z]|[\\u00C0-\\u00D6]|[\\u00D8-\\u00F6]"
+ "|[\\u00F8-\\u02FF]|[\\u0370-\\u037D]"
+ "|[\\u037F-\\u1FFF]|[\\u200C-\\u200D]"
+ "|[\\u2070-\\u218F]|[\\u2C00-\\u2FEF]"
+ "|[\\u3001-\\uD7FF]|[\\uF900-\\uFDCF]"
+ "|[\\uFDF0-\\uFFFD]";
var nameStartCharWithSurrogatePair = "[\\uD800-\\uDB7F][\\uDC00-\\uDFFF]";
var nameChar = nameStartChar + "|-|\\.|[0-9]|\\u00B7|[\\u0300-\\u036F]" +
"|[\\u203F-\\u2040]";
var nameCharWithSurrogatePair = nameChar + "|" +
nameStartCharWithSurrogatePair;
if (new RegExp("^" + nameStartChar + "$").test(str.charAt(0))) {
if (str.length === 1) {
return true;
}
return new RegExp("^(" + nameCharWithSurrogatePair + ")+$")
.test(str.substr(1));
}
else if (str.length >= 2) {
if (new RegExp("^" + nameStartCharWithSurrogatePair + "$")
.test(str.substr(0, 2))) {
if (str.length === 2) {
return true;
}
return new RegExp("^(" + nameCharWithSurrogatePair + ")+$")
.test(str.substr(2));
}
}
return false;
}
exports.validateName = validateName;