1 | ;
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2 | /**
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3 | * Copyright 2018, OpenCensus Authors
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4 | *
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5 | * Licensed under the Apache License, Version 2.0 (the "License");
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6 | * you may not use this file except in compliance with the License.
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7 | * You may obtain a copy of the License at
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8 | *
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9 | * http://www.apache.org/licenses/LICENSE-2.0
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10 | *
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11 | * Unless required by applicable law or agreed to in writing, software
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12 | * distributed under the License is distributed on an "AS IS" BASIS,
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 | * See the License for the specific language governing permissions and
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15 | * limitations under the License.
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16 | */
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17 | Object.defineProperty(exports, "__esModule", { value: true });
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18 | /**
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19 | * Internal utility methods for working with tag keys, tag values, and metric
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20 | * names.
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21 | */
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22 | class StringUtils {
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23 | /**
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24 | * Determines whether the String contains only printable characters.
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25 | *
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26 | * @param str The String to be validated.
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27 | * @returns Whether the String contains only printable characters.
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28 | */
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29 | static isPrintableString(str) {
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30 | for (let i = 0; i < str.length; i++) {
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31 | const ch = str.charAt(i);
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32 | if (!StringUtils.isPrintableChar(ch)) {
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33 | return false;
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34 | }
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35 | }
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36 | return true;
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37 | }
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38 | /**
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39 | * Determines whether the Character is printable.
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40 | *
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41 | * @param ch The Character to be validated.
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42 | * @returns Whether the Character is printable.
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43 | */
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44 | static isPrintableChar(ch) {
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45 | return ch >= ' ' && ch <= '~';
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46 | }
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47 | }
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48 | exports.StringUtils = StringUtils;
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49 | //# sourceMappingURL=string-utils.js.map |
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