/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */ /* vim: set ts=2: */ /*exported CRC32C */ /*:: declare var DO_NOT_EXPORT_CRC:?boolean; */ /*:: declare function define(cb:()=>any):void; */ var CRC32C/*:CRC32Module*/; (function (factory/*:(a:any)=>void*/)/*:void*/ { /*jshint ignore:start */ /*eslint-disable */ if(typeof DO_NOT_EXPORT_CRC === 'undefined') { if('object' === typeof exports) { factory(exports); } else if ('function' === typeof define && define.amd) { define(function () { var module/*:CRC32Module*/ = /*::(*/{}/*:: :any)*/; factory(module); return module; }); } else { factory(CRC32C = /*::(*/{}/*:: :any)*/); } } else { factory(CRC32C = /*::(*/{}/*:: :any)*/); } /*eslint-enable */ /*jshint ignore:end */ }(function(CRC32C/*:CRC32Module*/) { CRC32C.version = '1.2.2'; /*:: type CRC32Type = number; type ABuf = Array | Buffer | Uint8Array; type CRC32TableType = Array | Int32Array; */ /*global Int32Array */ function signed_crc_table()/*:CRC32TableType*/ { var c = 0, table/*:Array*/ = new Array(256); for(var n =0; n != 256; ++n){ c = n; c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1)); table[n] = c; } return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table; } var T0 = signed_crc_table(); function slice_by_16_tables(T) { var c = 0, v = 0, n = 0, table/*:Array*/ = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ; for(n = 0; n != 256; ++n) table[n] = T[n]; for(n = 0; n != 256; ++n) { v = T[n]; for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF]; } var out = []; for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256); return out; } var TT = slice_by_16_tables(T0); var T1 = TT[0], T2 = TT[1], T3 = TT[2], T4 = TT[3], T5 = TT[4]; var T6 = TT[5], T7 = TT[6], T8 = TT[7], T9 = TT[8], Ta = TT[9]; var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14]; function crc32_bstr(bstr/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ { var C = seed/*:: ? 0 : 0 */ ^ -1; for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF]; return ~C; } function crc32_buf(B/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ { var C = seed/*:: ? 0 : 0 */ ^ -1, L = B.length - 15, i = 0; for(; i < L;) C = Tf[B[i++] ^ (C & 255)] ^ Te[B[i++] ^ ((C >> 8) & 255)] ^ Td[B[i++] ^ ((C >> 16) & 255)] ^ Tc[B[i++] ^ (C >>> 24)] ^ Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^ T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^ T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]]; L += 15; while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF]; return ~C; } function crc32_str(str/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ { var C = seed/*:: ? 0 : 0 */ ^ -1; for(var i = 0, L = str.length, c = 0, d = 0; i < L;) { c = str.charCodeAt(i++); if(c < 0x80) { C = (C>>>8) ^ T0[(C^c)&0xFF]; } else if(c < 0x800) { C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF]; C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF]; } else if(c >= 0xD800 && c < 0xE000) { c = (c&1023)+64; d = str.charCodeAt(i++)&1023; C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF]; C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF]; C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF]; C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF]; } else { C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF]; C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF]; C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF]; } } return ~C; } CRC32C.table = T0; // $FlowIgnore CRC32C.bstr = crc32_bstr; // $FlowIgnore CRC32C.buf = crc32_buf; // $FlowIgnore CRC32C.str = crc32_str; }));