286 lines
11 KiB
JavaScript
286 lines
11 KiB
JavaScript
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"use strict";
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/**
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* Copyright (C) 2016-2019 Michael Kourlas
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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/**
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* Returns true if the specified string only contains characters permitted by
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* the XML specification.
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*
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* @private
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*/
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function validateChar(str) {
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for (var i = 0; i < str.length; i++) {
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var firstChar = str.charCodeAt(i);
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if (firstChar === 0x9 || firstChar === 0xA || firstChar === 0xD
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|| (firstChar >= 0x20 && firstChar <= 0xD7FF)
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|| (firstChar >= 0xE000 && firstChar <= 0xFFFD)) {
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continue;
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}
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if (i + 1 === str.length) {
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return false;
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}
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// UTF-16 surrogate characters
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var secondChar = str.charCodeAt(i + 1);
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if ((firstChar >= 0xD800 && firstChar <= 0xDBFF)
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&& (secondChar >= 0xDC00 && secondChar <= 0xDFFF)) {
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i++;
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continue;
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}
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return false;
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}
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return true;
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}
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exports.validateChar = validateChar;
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/**
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* Returns a version of the specified string that only contains characters
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* permitted by the XML specification, with invalid characters replaced
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* by the replacement character U+FFFD.
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*
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* @private
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*/
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function fixChar(str) {
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var newStr = "";
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for (var i = 0; i < str.length; i++) {
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var firstChar = str.charCodeAt(i);
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if (firstChar === 0x9 || firstChar === 0xA || firstChar === 0xD
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|| (firstChar >= 0x20 && firstChar <= 0xD7FF)
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|| (firstChar >= 0xE000 && firstChar <= 0xFFFD)) {
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newStr += str[i];
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continue;
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}
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if (i + 1 === str.length) {
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newStr += "\uFFFD";
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return newStr;
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}
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// UTF-16 surrogate characters
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var secondChar = str.charCodeAt(i + 1);
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if ((firstChar >= 0xD800 && firstChar <= 0xDBFF)
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&& (secondChar >= 0xDC00 && secondChar <= 0xDFFF)) {
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newStr += str[i] + str[i + 1];
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i++;
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continue;
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}
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newStr += "\uFFFD";
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}
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return newStr;
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}
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exports.fixChar = fixChar;
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/**
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* Returns true if the specified string only contains a single character, and
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* that this character is permitted by the XML specification.
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*
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* @private
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*/
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function validateSingleChar(str) {
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if (str.length === 0) {
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return false;
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}
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var firstChar = str.charCodeAt(0);
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if (str.length === 1) {
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return (firstChar === 0x9 || firstChar === 0xA || firstChar === 0xD
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|| (firstChar >= 0x20 && firstChar <= 0xD7FF)
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|| (firstChar >= 0xE000 && firstChar <= 0xFFFD));
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}
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if (str.length !== 2) {
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return false;
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}
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// UTF-16 surrogate characters
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var secondChar = str.charCodeAt(1);
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return ((firstChar >= 0xD800 && firstChar <= 0xDBFF)
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&& (secondChar >= 0xDC00 && secondChar <= 0xDFFF));
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}
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exports.validateSingleChar = validateSingleChar;
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/**
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* Returns true if the specified string only contains characters permitted by
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* the XML specification for names.
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*
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* @private
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*/
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function validateName(str) {
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if (str.length === 0) {
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return false;
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}
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var initialFirstChar = str.charCodeAt(0);
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var initialFirstCharMatch = (initialFirstChar === 0x3A
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|| initialFirstChar === 0x5F
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|| (initialFirstChar >= 0x41 && initialFirstChar <= 0x5A)
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|| (initialFirstChar >= 0x61 && initialFirstChar <= 0x7A)
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|| (initialFirstChar >= 0xC0 && initialFirstChar <= 0xD6)
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|| (initialFirstChar >= 0xD8 && initialFirstChar <= 0xF6)
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|| (initialFirstChar >= 0XF8 && initialFirstChar <= 0X2FF)
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|| (initialFirstChar >= 0x370 && initialFirstChar <= 0x37D)
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|| (initialFirstChar >= 0x37F && initialFirstChar <= 0X1FFF)
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|| (initialFirstChar >= 0x200C && initialFirstChar <= 0x200D)
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|| (initialFirstChar >= 0x2070 && initialFirstChar <= 0x218F)
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|| (initialFirstChar >= 0x2C00 && initialFirstChar <= 0x2FEF)
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|| (initialFirstChar >= 0x3001 && initialFirstChar <= 0xD7FF)
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|| (initialFirstChar >= 0xF900 && initialFirstChar <= 0xFDCF)
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|| (initialFirstChar >= 0xFDF0 && initialFirstChar <= 0xFFFD));
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if (str.length === 1) {
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return initialFirstCharMatch;
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}
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// UTF-16 surrogate characters
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var initialSecondChar = str.charCodeAt(1);
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var initialSecondCharMatch = ((initialFirstChar >= 0xD800 && initialFirstChar <= 0xDB7F)
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&& (initialSecondChar >= 0xDC00 && initialSecondChar <= 0xDFFF));
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if (!initialFirstCharMatch && !initialSecondCharMatch) {
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return false;
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}
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var start = initialSecondCharMatch ? 2 : 1;
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for (var i = start; i < str.length; i++) {
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var firstChar = str.charCodeAt(i);
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if (firstChar === 0x3A
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|| firstChar === 0x5F
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|| firstChar === 0x2D
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|| firstChar === 0x2E
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|| firstChar === 0xB7
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|| (firstChar >= 0x30 && firstChar <= 0x39)
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|| (firstChar >= 0x41 && firstChar <= 0x5A)
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|| (firstChar >= 0x61 && firstChar <= 0x7A)
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|| (firstChar >= 0xC0 && firstChar <= 0xD6)
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|| (firstChar >= 0xD8 && firstChar <= 0xF6)
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|| (firstChar >= 0XF8 && firstChar <= 0X2FF)
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|| (firstChar >= 0x300 && firstChar <= 0x36F)
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|| (firstChar >= 0x370 && firstChar <= 0x37D)
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|| (firstChar >= 0x37F && firstChar <= 0X1FFF)
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|| (firstChar >= 0x200C && firstChar <= 0x200D)
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|| (firstChar >= 0x203F && firstChar <= 0x2040)
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|| (firstChar >= 0x2070 && firstChar <= 0x218F)
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|| (firstChar >= 0x2C00 && firstChar <= 0x2FEF)
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|| (firstChar >= 0x3001 && firstChar <= 0xD7FF)
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|| (firstChar >= 0xF900 && firstChar <= 0xFDCF)
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|| (firstChar >= 0xFDF0 && firstChar <= 0xFFFD)) {
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continue;
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}
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if (i + 1 === str.length) {
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return false;
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}
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// UTF-16 surrogate characters
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var secondChar = str.charCodeAt(i + 1);
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if ((firstChar >= 0xD800 && firstChar <= 0xDB7F)
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&& (secondChar >= 0xDC00 && secondChar <= 0xDFFF)) {
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i++;
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continue;
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}
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return false;
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}
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return true;
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}
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exports.validateName = validateName;
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/**
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* Returns a version of the specified string that only contains characters
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* permitted by the XML specification for names, with invalid characters
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* replaced by the replacement character U+FFFD.
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*
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* @private
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*/
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function fixName(str) {
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var newStr = "";
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if (str.length === 0) {
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return newStr;
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}
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var initialFirstChar = str.charCodeAt(0);
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var initialFirstCharMatch = (initialFirstChar === 0x3A
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|| initialFirstChar === 0x5F
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|| (initialFirstChar >= 0x41 && initialFirstChar <= 0x5A)
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|| (initialFirstChar >= 0x61 && initialFirstChar <= 0x7A)
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|| (initialFirstChar >= 0xC0 && initialFirstChar <= 0xD6)
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|| (initialFirstChar >= 0xD8 && initialFirstChar <= 0xF6)
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|| (initialFirstChar >= 0XF8 && initialFirstChar <= 0X2FF)
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|| (initialFirstChar >= 0x370 && initialFirstChar <= 0x37D)
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|| (initialFirstChar >= 0x37F && initialFirstChar <= 0X1FFF)
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|| (initialFirstChar >= 0x200C && initialFirstChar <= 0x200D)
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|| (initialFirstChar >= 0x2070 && initialFirstChar <= 0x218F)
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|| (initialFirstChar >= 0x2C00 && initialFirstChar <= 0x2FEF)
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|| (initialFirstChar >= 0x3001 && initialFirstChar <= 0xD7FF)
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|| (initialFirstChar >= 0xF900 && initialFirstChar <= 0xFDCF)
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|| (initialFirstChar >= 0xFDF0 && initialFirstChar <= 0xFFFD));
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if (str.length === 1) {
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if (initialFirstCharMatch) {
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newStr = str[0];
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}
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else {
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newStr = "\uFFFD";
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}
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return newStr;
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}
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// UTF-16 surrogate characters
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var initialSecondChar = str.charCodeAt(1);
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var initialSecondCharMatch = ((initialFirstChar >= 0xD800 && initialFirstChar <= 0xDB7F)
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&& (initialSecondChar >= 0xDC00 && initialSecondChar <= 0xDFFF));
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if (initialSecondCharMatch) {
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newStr = str[0] + str[1];
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}
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else if (initialFirstCharMatch) {
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newStr = str[0];
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}
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else {
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newStr = "\uFFFD";
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}
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var start = initialSecondCharMatch ? 2 : 1;
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for (var i = start; i < str.length; i++) {
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var firstChar = str.charCodeAt(i);
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if (firstChar === 0x3A
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|| firstChar === 0x5F
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|| firstChar === 0x2D
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|| firstChar === 0x2E
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|| firstChar === 0xB7
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|| (firstChar >= 0x30 && firstChar <= 0x39)
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|| (firstChar >= 0x41 && firstChar <= 0x5A)
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|| (firstChar >= 0x61 && firstChar <= 0x7A)
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|| (firstChar >= 0xC0 && firstChar <= 0xD6)
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|| (firstChar >= 0xD8 && firstChar <= 0xF6)
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|| (firstChar >= 0XF8 && firstChar <= 0X2FF)
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|| (firstChar >= 0x300 && firstChar <= 0x36F)
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|| (firstChar >= 0x370 && firstChar <= 0x37D)
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|| (firstChar >= 0x37F && firstChar <= 0X1FFF)
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|| (firstChar >= 0x200C && firstChar <= 0x200D)
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|| (firstChar >= 0x203F && firstChar <= 0x2040)
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|| (firstChar >= 0x2070 && firstChar <= 0x218F)
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|| (firstChar >= 0x2C00 && firstChar <= 0x2FEF)
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|| (firstChar >= 0x3001 && firstChar <= 0xD7FF)
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|| (firstChar >= 0xF900 && firstChar <= 0xFDCF)
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|| (firstChar >= 0xFDF0 && firstChar <= 0xFFFD)) {
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newStr += str[i];
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continue;
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}
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if (i + 1 === str.length) {
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newStr += "\uFFFD";
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return newStr;
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}
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// UTF-16 surrogate characters
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var secondChar = str.charCodeAt(i + 1);
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if ((firstChar >= 0xD800 && firstChar <= 0xDB7F)
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&& (secondChar >= 0xDC00 && secondChar <= 0xDFFF)) {
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newStr += str[i] + str[i + 1];
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i++;
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continue;
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}
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newStr += "\uFFFD";
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}
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return newStr;
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}
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exports.fixName = fixName;
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/**
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* Returns true if the specified value is undefined.
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*
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* @private
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*/
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function isUndefined(val) {
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return Object.prototype.toString.call(val) === "[object Undefined]";
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}
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exports.isUndefined = isUndefined;
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