/// /* [MS-XLSB] 2.4.698 BrtMdtinfo */ interface BrtMdtinfo { flags: number; version: number; name: string; } function parse_BrtMdtinfo(data: ReadableData, length: number): BrtMdtinfo { return { flags: data.read_shift(4), version: data.read_shift(4), name: parse_XLWideString(data, length - 8) }; } function write_BrtMdtinfo(data: BrtMdtinfo): RawData { 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); } /* [MS-XLSB] 2.4.697 BrtMdb */ type Mdir = [number, number]; // "t", "v" in XLSX parlance type BrtMdb = Mdir[]; function parse_BrtMdb(data: ReadableData/*, length: number*/): BrtMdb { var out: Mdir[] = []; var cnt = data.read_shift(4); while(cnt-- > 0) out.push([data.read_shift(4), data.read_shift(4)]); return out; } function write_BrtMdb(mdb: BrtMdb): RawData { 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; } /* [MS-XLSB] 2.4.72 BrtBeginEsfmd */ function write_BrtBeginEsfmd(cnt: number, name: string): RawData { var o = new_buf(8 + 2 * name.length); o.write_shift(4, cnt); write_XLWideString(name, o); return o.slice(0, o.l); } /* [MS-XLSB] 2.4.73 BrtBeginEsmdb */ function parse_BrtBeginEsmdb(data: ReadableData/*, length: number*/): boolean { data.l += 4; return data.read_shift(4) != 0; } function write_BrtBeginEsmdb(cnt: number, cm: boolean): RawData { var o = new_buf(8); o.write_shift(4, cnt); o.write_shift(4, cm ? 1 : 0); return o; } /* [MS-XLSB] 2.1.7.34 Metadata */ function parse_xlmeta_bin(data, name: string, _opts?: ParseXLMetaOptions): XLMeta { var out: XLMeta = { Types: [], Cell: [], Value: [] }; var opts = _opts || {}; var state: number[] = []; var pass = false; var metatype: 0 | 1 | 2 = 2; recordhopper(data, (val, R, RT) => { switch(RT) { // case 0x014C: /* BrtBeginMetadata */ // case 0x014D: /* BrtEndMetadata */ // case 0x014E: /* BrtBeginEsmdtinfo */ // case 0x0150: /* BrtEndEsmdtinfo */ // case 0x0153: /* BrtBeginEsfmd */ // case 0x0154: /* BrtEndEsfmd */ // case 0x0034: /* BrtBeginFmd */ // case 0x0035: /* BrtEndFmd */ // case 0x1000: /* BrtBeginDynamicArrayPr */ // case 0x1001: /* BrtEndDynamicArrayPr */ // case 0x138A: /* BrtBeginRichValueBlock */ // case 0x138B: /* BrtEndRichValueBlock */ case 0x014F: /* BrtMdtinfo */ out.Types.push({name: (val as BrtMdtinfo).name}); break; case 0x0033: /* BrtMdb */ (val as BrtMdb).forEach(r => { if(metatype == 1) out.Cell.push({type: out.Types[r[0] - 1].name, index: r[1] }); else if(metatype == 0) out.Value.push({type: out.Types[r[0] - 1].name, index: r[1] }); }); break; case 0x0151: /* BrtBeginEsmdb */ metatype = (val as boolean) ? 1 /* cell */ : 0 /* value */; break; case 0x0152: /* BrtEndEsmdb */ metatype = 2; break; case 0x0023: /* BrtFRTBegin */ state.push(RT); pass = true; break; case 0x0024: /* BrtFRTEnd */ state.pop(); pass = false; break; default: if(R.T){/* empty */} else if(!pass || (opts.WTF && state[state.length-1] != 0x0023 /* BrtFRTBegin */)) throw new Error("Unexpected record 0x" + RT.toString(16)); } }); return out; } function write_xlmeta_bin() { var ba = buf_array(); write_record(ba, 0x014C /* BrtBeginMetadata */); write_record(ba, 0x014E /* BrtBeginEsmdtinfo */, write_UInt32LE(1)); write_record(ba, 0x014F /* BrtMdtinfo */, write_BrtMdtinfo({ name: "XLDAPR", version: 120000, flags: 0xD06AC0B0 })); write_record(ba, 0x0150 /* BrtEndEsmdtinfo */); /* [ESSTR] [ESMDX] */ write_record(ba, 0x0153 /* BrtBeginEsfmd */, write_BrtBeginEsfmd(1, "XLDAPR")); write_record(ba, 0x0034 /* BrtBeginFmd */); write_record(ba, 0x0023 /* BrtFRTBegin */, write_UInt32LE(0x0202)); write_record(ba, 0x1000 /* BrtBeginDynamicArrayPr */, write_UInt32LE(0)); write_record(ba, 0x1001 /* BrtEndDynamicArrayPr */, writeuint16(1)); write_record(ba, 0x0024 /* BrtFRTEnd */); write_record(ba, 0x0035 /* BrtEndFmd */); write_record(ba, 0x0154 /* BrtEndEsfmd */); write_record(ba, 0x0151 /* BrtBeginEsmdb */, write_BrtBeginEsmdb(1, true)); write_record(ba, 0x0033 /* BrtMdb */, write_BrtMdb([[1, 0]])); write_record(ba, 0x0152 /* BrtEndEsmdb */); /* *FRT */ write_record(ba, 0x014D /* BrtEndMetadata */); return ba.end(); }