function readIEEE754(buf, idx, isLE, nl, ml) { if(isLE === undefined) isLE = true; if(!nl) nl = 8; if(!ml && nl === 8) ml = 52; var e, m, el = nl * 8 - ml - 1, eMax = (1 << el) - 1, eBias = eMax >> 1; var bits = -7, d = isLE ? -1 : 1, i = isLE ? (nl - 1) : 0, s = buf[idx + i]; i += d; e = s & ((1 << (-bits)) - 1); s >>>= (-bits); bits += el; for (; bits > 0; e = e * 256 + buf[idx + i], i += d, bits -= 8); m = e & ((1 << (-bits)) - 1); e >>>= (-bits); bits += ml; for (; bits > 0; m = m * 256 + buf[idx + i], i += d, bits -= 8); if (e === eMax) return m ? NaN : ((s ? -1 : 1) * Infinity); else if (e === 0) e = 1 - eBias; else { m = m + Math.pow(2, ml); e = e - eBias; } return (s ? -1 : 1) * m * Math.pow(2, e - ml); } function s2a(s) { if(typeof Buffer !== 'undefined') return new Buffer(s, "binary"); var w = s.split("").map(function(x){ return x.charCodeAt(0) & 0xff; }); return w; } var __toBuffer; if(typeof Buffer !== "undefined") { Buffer.prototype.hexlify= function() { return this.toString('hex'); }; Buffer.prototype.utf16le= function(s,e){return this.toString('utf16le',s,e).replace(/\u0000/,'').replace(/[\u0001-\u0006]/,'!');}; Buffer.prototype.utf8 = function(s,e) { return this.toString('utf8',s,e); }; Buffer.prototype.lpstr = function(i) { var len = this.readUInt32LE(i); return len > 0 ? this.utf8(i+4,i+4+len-1) : "";}; Buffer.prototype.lpwstr = function(i) { var len = 2*this.readUInt32LE(i); return this.utf8(i+4,i+4+len-1);}; if(typeof cptable !== "undefined") Buffer.prototype.lpstr = function(i) { var len = this.readUInt32LE(i); if(len === 0) return ""; if(typeof current_cptable === "undefined") return this.utf8(i+4,i+4+len-1); var t = Array(this.slice(i+4,i+4+len-1)); //1console.log("start", this.l, len, t); var c, j = i+4, o = "", cc; for(;j!=i+4+len;++j) { c = this.readUInt8(j); cc = current_cptable.dec[c]; if(typeof cc === 'undefined') { c = c*256 + this.readUInt8(++j); cc = current_cptable.dec[c]; } if(typeof cc === 'undefined') throw "Unrecognized character " + c.toString(16); if(c === 0) break; o += cc; //1console.log(cc, cc.charCodeAt(0), o, this.l); } return o; }; __toBuffer = function(bufs) { return Buffer.concat(bufs[0]); }; } else { __toBuffer = function(bufs) { var x = []; for(var i = 0; i != bufs[0].length; ++i) { x = x.concat(bufs[0][i]); } return x; }; } var __readUInt8 = function(b, idx) { return b.readUInt8 ? b.readUInt8(idx) : b[idx]; }; var __readUInt16LE = function(b, idx) { return b.readUInt16LE ? b.readUInt16LE(idx) : b[idx+1]*(1<<8)+b[idx]; }; var __readInt16LE = function(b, idx) { var u = __readUInt16LE(b,idx); if(!(u & 0x8000)) return u; return (0xffff - u + 1) * -1; }; var __readUInt32LE = function(b, idx) { return b.readUInt32LE ? b.readUInt32LE(idx) : b[idx+3]*(1<<24)+b[idx+2]*(1<<16)+b[idx+1]*(1<<8)+b[idx]; }; var __readInt32LE = function(b, idx) { if(b.readInt32LE) return b.readInt32LE(idx); var u = __readUInt32LE(b,idx); if(!(u & 0x80000000)) return u; return (0xffffffff - u + 1) * -1; }; var __readDoubleLE = function(b, idx) { return b.readDoubleLE ? b.readDoubleLE(idx) : readIEEE754(b, idx||0);}; var __hexlify = function(b) { return b.map(function(x){return (x<16?"0":"") + x.toString(16);}).join(""); }; var __utf16le = function(b,s,e) { if(b.utf16le) return b.utf16le(s,e); var str = ""; for(var i=s; i 0 ? __utf8(b, i+4,i+4+len-1) : "";}; var __lpwstr = function(b,i) { if(b.lpwstr) return b.lpwstr(i); var len = 2*__readUInt32LE(b,i); return __utf8(b, i+4,i+4+len-1);}; function bconcat(bufs) { return (typeof Buffer !== 'undefined') ? Buffer.concat(bufs) : [].concat.apply([], bufs); } function ReadShift(size, t) { var o, w, vv, i, loc; t = t || 'u'; if(size === 'ieee754') { size = 8; t = 'f'; } switch(size) { case 1: o = __readUInt8(this, this.l); break; case 2: o=(t==='u' ? __readUInt16LE : __readInt16LE)(this, this.l); break; case 4: o = __readUInt32LE(this, this.l); break; case 8: if(t === 'f') { o = __readDoubleLE(this, this.l); break; } /* falls through */ case 16: o = this.toString('hex', this.l,this.l+size); break; case 'utf8': size = t; o = __utf8(this, this.l, this.l + size); break; case 'utf16le': size=2*t; o = __utf16le(this, this.l, this.l + size); break; /* [MS-OLEDS] 2.1.4 LengthPrefixedAnsiString */ case 'lpstr': o = __lpstr(this, this.l); size = 5 + o.length; break; case 'lpwstr': o = __lpwstr(this, this.l); size = 5 + o.length; if(o[o.length-1] == '\u0000') size += 2; break; /* sbcs and dbcs support continue records in the SST way TODO codepages */ /* TODO: DBCS http://msdn.microsoft.com/en-us/library/cc194788.aspx */ case 'dbcs': size = 2*t; o = ""; loc = this.l; for(i = 0; i != t; ++i) { if(this.lens && this.lens.indexOf(loc) !== -1) { w = __readUInt8(this, loc); this.l = loc + 1; vv = ReadShift.call(this, w ? 'dbcs' : 'sbcs', t-i); return o + vv; } o += _getchar(__readUInt16LE(this, loc)); loc+=2; } break; case 'sbcs': size = t; o = ""; loc = this.l; for(i = 0; i != t; ++i) { if(this.lens && this.lens.indexOf(loc) !== -1) { w = __readUInt8(this, loc); this.l = loc + 1; vv = ReadShift.call(this, w ? 'dbcs' : 'sbcs', t-i); return o + vv; } o += _getchar(__readUInt8(this, loc)); loc+=1; } break; case 'cstr': size = 0; o = ""; while((w=__readUInt8(this, this.l + size++))!==0) o+= _getchar(w); break; case 'wstr': size = 0; o = ""; while((w=__readUInt16LE(this,this.l +size))!==0){o+= _getchar(w);size+=2;} size+=2; break; } this.l+=size; return o; } function prep_blob(blob, pos) { blob.read_shift = ReadShift.bind(blob); blob.l = pos || 0; var read = ReadShift.bind(blob); return [read]; } function parsenoop(blob, length) { blob.l += length; }