forked from sheetjs/sheetjs
112 lines
2.9 KiB
JavaScript
112 lines
2.9 KiB
JavaScript
function parse_BrtMdtinfo(data, length) {
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return {
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flags: data.read_shift(4),
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version: data.read_shift(4),
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name: parse_XLWideString(data, length - 8)
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};
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}
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function write_BrtMdtinfo(data) {
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var o = new_buf(12 + 2 * data.name.length);
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o.write_shift(4, data.flags);
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o.write_shift(4, data.version);
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write_XLWideString(data.name, o);
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return o.slice(0, o.l);
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}
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function parse_BrtMdb(data) {
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var out = [];
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var cnt = data.read_shift(4);
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while (cnt-- > 0)
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out.push([data.read_shift(4), data.read_shift(4)]);
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return out;
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}
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function write_BrtMdb(mdb) {
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var o = new_buf(4 + 8 * mdb.length);
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o.write_shift(4, mdb.length);
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for (var i = 0; i < mdb.length; ++i) {
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o.write_shift(4, mdb[i][0]);
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o.write_shift(4, mdb[i][1]);
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}
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return o;
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}
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function write_BrtBeginEsfmd(cnt, name) {
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var o = new_buf(8 + 2 * name.length);
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o.write_shift(4, cnt);
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write_XLWideString(name, o);
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return o.slice(0, o.l);
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}
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function parse_BrtBeginEsmdb(data) {
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data.l += 4;
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return data.read_shift(4) != 0;
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}
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function write_BrtBeginEsmdb(cnt, cm) {
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var o = new_buf(8);
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o.write_shift(4, cnt);
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o.write_shift(4, cm ? 1 : 0);
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return o;
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}
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function parse_xlmeta_bin(data, name, _opts) {
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var out = { Types: [], Cell: [], Value: [] };
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var opts = _opts || {};
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var state = [];
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var pass = false;
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var metatype = 2;
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recordhopper(data, function(val, R, RT) {
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switch (RT) {
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case 335:
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out.Types.push({ name: val.name });
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break;
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case 51:
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val.forEach(function(r) {
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if (metatype == 1)
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out.Cell.push({ type: out.Types[r[0] - 1].name, index: r[1] });
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else if (metatype == 0)
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out.Value.push({ type: out.Types[r[0] - 1].name, index: r[1] });
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});
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break;
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case 337:
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metatype = val ? 1 : 0;
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break;
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case 338:
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metatype = 2;
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break;
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case 35:
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state.push(RT);
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pass = true;
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break;
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case 36:
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state.pop();
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pass = false;
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break;
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default:
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if (R.T) {
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} else if (!pass || opts.WTF && state[state.length - 1] != 35)
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throw new Error("Unexpected record 0x" + RT.toString(16));
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}
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});
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return out;
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}
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function write_xlmeta_bin() {
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var ba = buf_array();
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write_record(ba, 332);
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write_record(ba, 334, write_UInt32LE(1));
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write_record(ba, 335, write_BrtMdtinfo({
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name: "XLDAPR",
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version: 12e4,
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flags: 3496657072
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}));
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write_record(ba, 336);
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write_record(ba, 339, write_BrtBeginEsfmd(1, "XLDAPR"));
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write_record(ba, 52);
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write_record(ba, 35, write_UInt32LE(514));
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write_record(ba, 4096, write_UInt32LE(0));
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write_record(ba, 4097, writeuint16(1));
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write_record(ba, 36);
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write_record(ba, 53);
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write_record(ba, 340);
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write_record(ba, 337, write_BrtBeginEsmdb(1, true));
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write_record(ba, 51, write_BrtMdb([[1, 0]]));
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write_record(ba, 338);
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write_record(ba, 333);
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return ba.end();
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}
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