mongo-portable
Version:
Portable Pure JS MongoDB - Based on Monglodb (https://github.com/euforic/monglodb.git) by Christian Sullivan (http://RogueSynaptics.com)
1 lines • 6 kB
JavaScript
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(this.buffer[lastByte++] & ((1 << offsetLeft) - 1)) << (diff-- << 3) - offsetRight : 0);"," "," for(; diff; sum += shl(this.buffer[lastByte++], (diff-- << 3) - offsetRight));"," "," return sum;"," }","}","","","module.exports = BinaryParserBuffer;"],"id":33},{"start":{"row":14,"column":0},"end":{"row":96,"column":36},"action":"insert","lines":["var logger = null;","","/**"," * BinaryParserBuffer"," * @ignore"," * "," * @module BinaryParserBuffer"," * @constructor"," * @since 0.0.1"," * "," * @classdesc Cursor class that maps a MongoDB-like cursor"," * "," * @param {MongoPortable} db - Additional options"," * @param {Collection} collection - The collection instance"," * @param {Object|Array|String} [selection={}] - The selection for matching documents"," * @param {Object|Array|String} [fields={}] - The fields of the document to show"," * @param {Object} [options] - Database object"," * "," * @param {Object} [options.pkFactory=null] - Object overriding the basic \"ObjectId\" primary key generation."," * "," */","class BinaryParserBuffer {"," constructor(bigEndian, buffer) {"," logger = Logger.instance;"," "," this.bigEndian = bigEndian || 0;"," this.buffer = [];"," this.setBuffer(buffer);"," }"," "," setBuffer(data) {"," var l, i, b;"," "," if (data) {"," i = l = data.length;"," b = this.buffer = new Array(l);"," "," for (; i; b[l - i] = data.charCodeAt(--i));"," "," this.bigEndian && b.reverse();"," }"," }"," "," hasNeededBits(neededBits) {"," return this.buffer.length >= -(-neededBits >> 3);"," }"," "," checkBuffer(neededBits) {"," if (!this.hasNeededBits(neededBits)) {"," logger.throw(\"checkBuffer::missing bytes\");"," }"," }"," "," readBits(start, length) {"," //shl fix: Henri Torgemane ~1996 (compressed by Jonas Raoni)"," "," function shl (a, b) {"," for (; b--; a = ((a %= 0x7fffffff + 1) & 0x40000000) == 0x40000000 ? a * 2 : (a - 0x40000000) * 2 + 0x7fffffff + 1);"," "," return a;"," }"," "," if (start < 0 || length <= 0) {"," return 0;"," }"," "," this.checkBuffer(start + length);"," "," var offsetLeft,"," offsetRight = start % 8,"," curByte = this.buffer.length - ( start >> 3 ) - 1,"," lastByte = this.buffer.length + ( -( start + length ) >> 3 ),"," diff = curByte - lastByte,"," sum = ((this.buffer[ curByte ] >> offsetRight) & ((1 << (diff ? 8 - offsetRight : length)) - 1)) + (diff && (offsetLeft = (start + length) % 8) ? (this.buffer[lastByte++] & ((1 << offsetLeft) - 1)) << (diff-- << 3) - offsetRight : 0);"," "," for(; diff; sum += shl(this.buffer[lastByte++], (diff-- << 3) - offsetRight));"," "," return sum;"," }","}","","","module.exports = BinaryParserBuffer;"]}]]},"ace":{"folds":[],"scrolltop":1084,"scrollleft":0,"selection":{"start":{"row":96,"column":36},"end":{"row":96,"column":36},"isBackwards":false},"options":{"guessTabSize":true,"useWrapMode":false,"wrapToView":true},"firstLineState":{"row":71,"state":"start","mode":"ace/mode/javascript"}},"timestamp":1470298198697,"hash":"6c671609813c6bf4593017ed85179aabcef227e8"}