From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/js-yaml/lib/js-yaml/type/binary.js | 138 ++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 node_modules/js-yaml/lib/js-yaml/type/binary.js (limited to 'node_modules/js-yaml/lib/js-yaml/type/binary.js') diff --git a/node_modules/js-yaml/lib/js-yaml/type/binary.js b/node_modules/js-yaml/lib/js-yaml/type/binary.js new file mode 100644 index 0000000..10b1875 --- /dev/null +++ b/node_modules/js-yaml/lib/js-yaml/type/binary.js @@ -0,0 +1,138 @@ +'use strict'; + +/*eslint-disable no-bitwise*/ + +var NodeBuffer; + +try { + // A trick for browserified version, to not include `Buffer` shim + var _require = require; + NodeBuffer = _require('buffer').Buffer; +} catch (__) {} + +var Type = require('../type'); + + +// [ 64, 65, 66 ] -> [ padding, CR, LF ] +var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + +function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; +} + +function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + // Wrap into Buffer for NodeJS and leave Array for browser + if (NodeBuffer) { + // Support node 6.+ Buffer API when available + return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result); + } + + return result; +} + +function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; +} + +function isBinary(object) { + return NodeBuffer && NodeBuffer.isBuffer(object); +} + +module.exports = new Type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary +}); -- cgit v1.2.3