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Luis Fernando Molina committed 2020-11-20 14:05:59 +01:00
1 parent 8b3382289b
commit cfcada880d
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-62
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@@ -1,62 +0,0 @@
'use strict';
/**
* Checks if a given buffer contains only correct UTF-8.
* Ported from https://www.cl.cam.ac.uk/%7Emgk25/ucs/utf8_check.c by
* Markus Kuhn.
*
* @param {Buffer} buf The buffer to check
* @return {Boolean} `true` if `buf` contains only correct UTF-8, else `false`
* @public
*/
const isValidUTF8 = (buf) => {
var len = buf.length;
var i = 0;
while (i < len) {
if (buf[i] < 0x80) { // 0xxxxxxx
i++;
} else if ((buf[i] & 0xe0) === 0xc0) { // 110xxxxx 10xxxxxx
if (
i + 1 === len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i] & 0xfe) === 0xc0 // overlong
) {
return false;
} else {
i += 2;
}
} else if ((buf[i] & 0xf0) === 0xe0) { // 1110xxxx 10xxxxxx 10xxxxxx
if (
i + 2 >= len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i + 2] & 0xc0) !== 0x80 ||
buf[i] === 0xe0 && (buf[i + 1] & 0xe0) === 0x80 || // overlong
buf[i] === 0xed && (buf[i + 1] & 0xe0) === 0xa0 // surrogate (U+D800 - U+DFFF)
) {
return false;
} else {
i += 3;
}
} else if ((buf[i] & 0xf8) === 0xf0) { // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
if (
i + 3 >= len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i + 2] & 0xc0) !== 0x80 ||
(buf[i + 3] & 0xc0) !== 0x80 ||
buf[i] === 0xf0 && (buf[i + 1] & 0xf0) === 0x80 || // overlong
buf[i] === 0xf4 && buf[i + 1] > 0x8f || buf[i] > 0xf4 // > U+10FFFF
) {
return false;
} else {
i += 4;
}
} else {
return false;
}
}
return true;
};
module.exports = isValidUTF8;
-7
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'use strict';
try {
module.exports = require('node-gyp-build')(__dirname);
} catch (e) {
module.exports = require('./fallback');
}
-60
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@@ -1,60 +0,0 @@
{
"_from": "utf-8-validate@^5.0.2",
"_id": "utf-8-validate@5.0.3",
"_inBundle": false,
"_integrity": "sha512-jtJM6fpGv8C1SoH4PtG22pGto6x+Y8uPprW0tw3//gGFhDDTiuksgradgFN6yRayDP4SyZZa6ZMGHLIa17+M8A==",
"_location": "/utf-8-validate",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "utf-8-validate@^5.0.2",
"name": "utf-8-validate",
"escapedName": "utf-8-validate",
"rawSpec": "^5.0.2",
"saveSpec": null,
"fetchSpec": "^5.0.2"
},
"_requiredBy": [
"/websocket"
],
"_resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-5.0.3.tgz",
"_shasum": "3b64e418ad2ff829809025fdfef595eab2f03a27",
"_spec": "utf-8-validate@^5.0.2",
"_where": "C:\\Users\\Luis\\source\\repos\\AAMasters\\BackendServers\\node_modules\\websocket",
"author": {
"name": "Einar Otto Stangvik",
"email": "einaros@gmail.com",
"url": "http://2x.io"
},
"bugs": {
"url": "https://github.com/websockets/utf-8-validate/issues"
},
"bundleDependencies": false,
"dependencies": {
"node-gyp-build": "^4.2.0"
},
"deprecated": false,
"description": "Check if a buffer contains valid UTF-8",
"devDependencies": {
"mocha": "^8.0.1",
"prebuildify": "^4.0.0"
},
"homepage": "https://github.com/websockets/utf-8-validate",
"keywords": [
"utf-8-validate"
],
"license": "MIT",
"main": "index.js",
"name": "utf-8-validate",
"repository": {
"type": "git",
"url": "git+https://github.com/websockets/utf-8-validate.git"
},
"scripts": {
"install": "node-gyp-build",
"prebuild": "prebuildify --napi",
"test": "mocha"
},
"version": "5.0.3"
}