@opencensus/core
Version:
OpenCensus is a toolkit for collecting application performance and behavior data.
50 lines • 1.63 kB
JavaScript
;
/**
* Copyright 2018, OpenCensus Authors
*
* 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.StringUtils = void 0;
/**
* Internal utility methods for working with tag keys, tag values, and metric
* names.
*/
class StringUtils {
/**
* Determines whether the String contains only printable characters.
*
* @param str The String to be validated.
* @returns Whether the String contains only printable characters.
*/
static isPrintableString(str) {
for (let i = 0; i < str.length; i++) {
const ch = str.charAt(i);
if (!StringUtils.isPrintableChar(ch)) {
return false;
}
}
return true;
}
/**
* Determines whether the Character is printable.
*
* @param ch The Character to be validated.
* @returns Whether the Character is printable.
*/
static isPrintableChar(ch) {
return ch >= ' ' && ch <= '~';
}
}
exports.StringUtils = StringUtils;
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