@protobuf-ts/runtime
Version:
Runtime library for code generated by the protoc plugin "protobuf-ts"
76 lines (75 loc) • 3.31 kB
JavaScript
;
// Copyright (c) 2016, Daniel Wirtz All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of its author, nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Object.defineProperty(exports, "__esModule", { value: true });
exports.utf8read = void 0;
const fromCharCodes = (chunk) => String.fromCharCode.apply(String, chunk);
/**
* @deprecated This function will no longer be exported with the next major
* release, since protobuf-ts has switch to TextDecoder API. If you need this
* function, please migrate to @protobufjs/utf8. For context, see
* https://github.com/timostamm/protobuf-ts/issues/184
*
* Reads UTF8 bytes as a string.
*
* See [protobufjs / utf8](https://github.com/protobufjs/protobuf.js/blob/9893e35b854621cce64af4bf6be2cff4fb892796/lib/utf8/index.js#L40)
*
* Copyright (c) 2016, Daniel Wirtz
*/
function utf8read(bytes) {
if (bytes.length < 1)
return "";
let pos = 0, // position in bytes
parts = [], chunk = [], i = 0, // char offset
t; // temporary
let len = bytes.length;
while (pos < len) {
t = bytes[pos++];
if (t < 128)
chunk[i++] = t;
else if (t > 191 && t < 224)
chunk[i++] = (t & 31) << 6 | bytes[pos++] & 63;
else if (t > 239 && t < 365) {
t = ((t & 7) << 18 | (bytes[pos++] & 63) << 12 | (bytes[pos++] & 63) << 6 | bytes[pos++] & 63) - 0x10000;
chunk[i++] = 0xD800 + (t >> 10);
chunk[i++] = 0xDC00 + (t & 1023);
}
else
chunk[i++] = (t & 15) << 12 | (bytes[pos++] & 63) << 6 | bytes[pos++] & 63;
if (i > 8191) {
parts.push(fromCharCodes(chunk));
i = 0;
}
}
if (parts.length) {
if (i)
parts.push(fromCharCodes(chunk.slice(0, i)));
return parts.join("");
}
return fromCharCodes(chunk.slice(0, i));
}
exports.utf8read = utf8read;