sheetjs-clone/bits/38_recordhopper.js
SheetJS 1dceeffbe9 version bump 0.5.5: sheet names optimization
- bookSheets option skips worksheet parsing (used by xlsx2csv)
- filtered tests (by file extension)
- XLSB formulae stubs
2014-02-13 01:22:42 -05:00

16 lines
569 B
JavaScript

/* [MS-XLSB] 2.1.4 Record */
var recordhopper = function(data, cb, opts) {
var tmpbyte, cntbyte, length;
prep_blob(data, data.l || 0);
while(data.l < data.length) {
var RT = data.read_shift(1);
if(RT & 0x80) RT = (RT & 0x7F) + ((data.read_shift(1) & 0x7F)<<7);
var R = RecordEnum[RT] || RecordEnum[0xFFFF];
tmpbyte = data.read_shift(1);
length = tmpbyte & 0x7F;
for(cntbyte = 1; cntbyte <4 && (tmpbyte & 0x80); ++cntbyte) length += ((tmpbyte = data.read_shift(1)) & 0x7F)<<(7*cntbyte);
var d = R.f(data, length, opts);
if(cb(d, R, RT)) return;
}
};