89 lines
2.5 KiB
JavaScript
89 lines
2.5 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 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 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: [] };
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var opts = _opts || {};
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var state = [];
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var pass = false;
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recordhopper(data, function(val, R_n, 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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break;
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case 35:
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state.push(R_n);
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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_n || "").indexOf("Begin") > 0) {
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} else if ((R_n || "").indexOf("End") > 0) {
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} else if (!pass || opts.WTF && state[state.length - 1] != "BrtFRTBegin")
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throw new Error("Unexpected record " + RT + " " + R_n);
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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, "BrtBeginMetadata");
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write_record(ba, "BrtBeginEsmdtinfo", write_UInt32LE(1));
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write_record(ba, "BrtMdtinfo", 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, "BrtEndEsmdtinfo");
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write_record(ba, "BrtBeginEsfmd", write_BrtBeginEsfmd(1, "XLDAPR"));
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write_record(ba, "BrtBeginFmd");
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write_record(ba, "BrtFRTBegin", write_UInt32LE(514));
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write_record(ba, "BrtBeginDynamicArrayPr", write_UInt32LE(0));
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write_record(ba, "BrtEndDynamicArrayPr", writeuint16(1));
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write_record(ba, "BrtFRTEnd");
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write_record(ba, "BrtEndFmd");
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write_record(ba, "BrtEndEsfmd");
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write_record(ba, "BrtBeginEsmdb", write_BrtBeginEsmdb(1, true));
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write_record(ba, "BrtMdb", write_BrtMdb([[1, 0]]));
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write_record(ba, "BrtEndEsmdb");
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write_record(ba, "BrtEndMetadata");
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return ba.end();
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}
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