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x/sheetjs/modules/51_xlsbmeta.js

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function parse_BrtMdtinfo(data, length) { return { flags: data.read_shift(4), version: data.read_shift(4), name: parse_XLWideString(data, length - 8) };}function write_BrtMdtinfo(data) { var o = new_buf(12 + 2 * data.name.length); o.write_shift(4, data.flags); o.write_shift(4, data.version); write_XLWideString(data.name, o); return o.slice(0, o.l);}function write_BrtMdb(mdb) { var o = new_buf(4 + 8 * mdb.length); o.write_shift(4, mdb.length); for (var i = 0; i < mdb.length; ++i) { o.write_shift(4, mdb[i][0]); o.write_shift(4, mdb[i][1]); } return o;}function write_BrtBeginEsfmd(cnt, name) { var o = new_buf(8 + 2 * name.length); o.write_shift(4, cnt); write_XLWideString(name, o); return o.slice(0, o.l);}function write_BrtBeginEsmdb(cnt, cm) { var o = new_buf(8); o.write_shift(4, cnt); o.write_shift(4, cm ? 1 : 0); return o;}function parse_xlmeta_bin(data, name, _opts) { var out = { Types: [] }; var opts = _opts || {}; var state = []; var pass = false; recordhopper(data, function(val, R_n, RT) { switch (RT) { case 335: out.Types.push({ name: val.name }); break; case 51: break; case 35: state.push(R_n); pass = true; break; case 36: state.pop(); pass = false; break; default: if ((R_n || "").indexOf("Begin") > 0) { } else if ((R_n || "").indexOf("End") > 0) { } else if (!pass || opts.WTF && state[state.length - 1] != "BrtFRTBegin") throw new Error("Unexpected record " + RT + " " + R_n); } }); return out;}function write_xlmeta_bin() { var ba = buf_array(); write_record(ba, "BrtBeginMetadata"); write_record(ba, "BrtBeginEsmdtinfo", write_UInt32LE(1)); write_record(ba, "BrtMdtinfo", write_BrtMdtinfo({ name: "XLDAPR", version: 12e4, flags: 3496657072 })); write_record(ba, "BrtEndEsmdtinfo"); write_record(ba, "BrtBeginEsfmd", write_BrtBeginEsfmd(1, "XLDAPR")); write_record(ba, "BrtBeginFmd"); write_record(ba, "BrtFRTBegin", write_UInt32LE(514)); write_record(ba, "BrtBeginDynamicArrayPr", write_UInt32LE(0)); write_record(ba, "BrtEndDynamicArrayPr", writeuint16(1)); write_record(ba, "BrtFRTEnd"); write_record(ba, "BrtEndFmd"); write_record(ba, "BrtEndEsfmd"); write_record(ba, "BrtBeginEsmdb", write_BrtBeginEsmdb(1, true)); write_record(ba, "BrtMdb", write_BrtMdb([[1, 0]])); write_record(ba, "BrtEndEsmdb"); write_record(ba, "BrtEndMetadata"); return ba.end();}