文件操作 - utf16le.js
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文件: /var/www/OLD/node_modules/b4a/lib/utf16le.js
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function byteLength (string) { return string.length * 2 } function toString (buffer) { const len = buffer.byteLength let result = '' for (let i = 0; i < len - 1; i += 2) { result += String.fromCharCode(buffer[i] + (buffer[i + 1] * 256)) } return result } function write (buffer, string, offset = 0, length = byteLength(string)) { const len = Math.min(length, buffer.byteLength - offset) let units = len for (let i = 0; i < string.length; ++i) { if ((units -= 2) < 0) break const c = string.charCodeAt(i) const hi = c >> 8 const lo = c % 256 buffer[offset + i * 2] = lo buffer[offset + i * 2 + 1] = hi } return len } module.exports = { byteLength, toString, write }
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