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-rw-r--r--node_modules/js-yaml/lib/js-yaml/type/binary.js138
1 files changed, 138 insertions, 0 deletions
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
+});