function firstbyte(f/*:RawData*/,o/*:?TypeOpts*/)/*:number*/ { switch((o||{}).type || "base64") { case 'buffer': return f[0]; case 'base64': return Base64.decode(f.substr(0,12)).charCodeAt(0); case 'binary': return f.charCodeAt(0); case 'array': return f[0]; default: throw new Error("Unrecognized type " + (o ? o.type : "undefined")); } } function read_zip(data/*:RawData*/, opts/*:?ParseOpts*/)/*:Workbook*/ { /*:: if(!jszip) throw new Error("JSZip is not available"); */ var zip, d = data; var o = opts||{}; if(!o.type) o.type = (has_buf && Buffer.isBuffer(data)) ? "buffer" : "base64"; switch(o.type) { case "base64": zip = new jszip(d, { base64:true }); break; case "binary": case "array": zip = new jszip(d, { base64:false }); break; case "buffer": zip = new jszip(d); break; default: throw new Error("Unrecognized type " + o.type); } return parse_zip(zip, o); } function readSync(data/*:RawData*/, opts/*:?ParseOpts*/)/*:Workbook*/ { var zip, d = data, n=0; var o = opts||{}; if(!o.type) o.type = (has_buf && Buffer.isBuffer(data)) ? "buffer" : "base64"; if(o.type == "file") { o.type = "buffer"; d = _fs.readFileSync(data); } switch((n = firstbyte(d, o))) { case 0xD0: return parse_xlscfb(CFB.read(d, o), o); case 0x09: return parse_xlscfb(s2a(o.type === 'base64' ? Base64.decode(d) : d), o); case 0x3C: return parse_xlml(d, o); case 0x50: return read_zip(d, o); default: throw new Error("Unsupported file " + n); } } function readFileSync(filename/*:string*/, opts/*:?ParseOpts*/)/*:Workbook*/ { var o = opts||{}; o.type = 'file'; return readSync(filename, o); }