forked from sheetjs/sheetjs
SheetJS
51182e57ef
- xlsx.njs use dense mode by default - CSV Streaming output for nodejs - XLSX/XLSB error on password protected documents - record hoppers switch on record number rather than name
324 lines
11 KiB
JavaScript
324 lines
11 KiB
JavaScript
var WK_ = (function() {
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function lotushopper(data, cb/*:RecordHopperCB*/, opts/*:any*/) {
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if(!data) return;
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prep_blob(data, data.l || 0);
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var Enum = opts.Enum || WK1Enum;
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while(data.l < data.length) {
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var RT = data.read_shift(2);
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var R = Enum[RT] || Enum[0xFF];
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var length = data.read_shift(2);
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var tgt = data.l + length;
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var d = R.f(data, length, opts);
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data.l = tgt;
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if(cb(d, R.n, RT)) return;
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}
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}
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function lotus_to_workbook(d/*:RawData*/, opts) {
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switch(opts.type) {
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case 'base64': return lotus_to_workbook_buf(s2a(Base64.decode(d)), opts);
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case 'binary': return lotus_to_workbook_buf(s2a(d), opts);
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case 'buffer':
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case 'array': return lotus_to_workbook_buf(d, opts);
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}
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throw "Unsupported type " + opts.type;
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}
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function lotus_to_workbook_buf(d,opts)/*:Workbook*/ {
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if(!d) return d;
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var o = opts || {};
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if(DENSE != null && o.dense == null) o.dense = DENSE;
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var s = (o.dense ? [] : {}), n = "Sheet1", sidx = 0;
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var sheets = {}, snames = [n];
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var refguess = {s: {r:0, c:0}, e: {r:0, c:0} };
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if(d[2] == 0x02) o.Enum = WK1Enum;
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else if(d[2] == 0x1a) o.Enum = WK3Enum;
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else if(d[2] == 0x0e) { o.Enum = WK3Enum; o.qpro = true; d.l = 0; }
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else throw new Error("Unrecognized LOTUS BOF " + d[2]);
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lotushopper(d, function(val, Rn, RT) {
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if(d[2] == 0x02) switch(RT) {
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case 0x00:
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o.vers = val;
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if(val >= 0x1000) o.qpro = true;
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break;
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case 0x06: refguess = val; break; /* RANGE */
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case 0x0F: /* LABEL */
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if(!o.qpro) val[1].v = val[1].v.substr(1);
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/* falls through */
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case 0x0D: /* INTEGER */
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case 0x0E: /* NUMBER */
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case 0x10: /* FORMULA */
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case 0x33: /* STRING */
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if(o.dense) {
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if(!s[val[0].r]) s[val[0].r] = [];
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s[val[0].r][val[0].c] = val[1];
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} else s[encode_cell(val[0])] = val[1];
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/* TODO: FORMAT */
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break;
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} else switch(RT) {
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case 0x16: /* LABEL16 */
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val[1].v = val[1].v.substr(1);
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/* falls through */
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case 0x17: /* NUMBER17 */
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case 0x18: /* NUMBER18 */
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case 0x19: /* FORMULA19 */
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case 0x25: /* NUMBER25 */
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case 0x27: /* NUMBER27 */
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case 0x28: /* FORMULA28 */
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if(val[3] > sidx) {
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s["!ref"] = encode_range(refguess);
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sheets[n] = s;
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s = (o.dense ? [] : {});
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refguess = {s: {r:0, c:0}, e: {r:0, c:0} };
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sidx = val[3]; n = "Sheet" + (sidx + 1);
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snames.push(n);
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}
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s[encode_cell(val[0])] = val[1];
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if(refguess.e.c < val[0].c) refguess.e.c = val[0].c;
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if(refguess.e.r < val[0].r) refguess.e.r = val[0].r;
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break;
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default: break;
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}
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}, o);
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s["!ref"] = encode_range(refguess);
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sheets[n] = s;
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return { SheetNames: snames, Sheets:sheets };
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}
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function parse_RANGE(blob, length) {
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var o = {s:{c:0,r:0},e:{c:0,r:0}};
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o.s.c = blob.read_shift(2);
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o.s.r = blob.read_shift(2);
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o.e.c = blob.read_shift(2);
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o.e.r = blob.read_shift(2);
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if(o.s.c == 0xFFFF) o.s.c = o.e.c = o.s.r = o.e.r = 0;
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return o;
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}
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function parse_cell(blob, length, opts) {
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var o = [{c:0,r:0}, {t:'n',v:0}, 0];
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if(opts.qpro && opts.vers != 0x5120) {
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o[0].c = blob.read_shift(1);
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blob.l++;
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o[0].r = blob.read_shift(2);
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blob.l+=2;
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} else {
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o[2] = blob.read_shift(1);
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o[0].c = blob.read_shift(2); o[0].r = blob.read_shift(2);
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}
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return o;
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}
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function parse_LABEL(blob, length, opts) {
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var tgt = blob.l + length;
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var o = parse_cell(blob, length, opts);
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o[1].t = 's';
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if(opts.vers == 0x5120) {
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blob.l++;
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var len = blob.read_shift(1);
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o[1].v = blob.read_shift(len, 'utf8');
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return o;
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}
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if(opts.qpro) blob.l++;
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o[1].v = blob.read_shift(tgt - blob.l, 'cstr');
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return o;
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}
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function parse_INTEGER(blob, length, opts) {
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var o = parse_cell(blob, length, opts);
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o[1].v = blob.read_shift(2, 'i');
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return o;
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}
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function parse_NUMBER(blob, length, opts) {
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var o = parse_cell(blob, length, opts);
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o[1].v = blob.read_shift(8, 'f');
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return o;
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}
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function parse_FORMULA(blob, length, opts) {
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var tgt = blob.l + length;
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var o = parse_cell(blob, length, opts);
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/* TODO: formula */
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o[1].v = blob.read_shift(8, 'f');
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if(opts.qpro) blob.l = tgt;
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else {
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var flen = blob.read_shift(2);
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blob.l += flen;
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}
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return o;
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}
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function parse_cell_3(blob, length) {
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var o = [{c:0,r:0}, {t:'n',v:0}, 0];
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o[0].r = blob.read_shift(2); o[3] = blob[blob.l++]; o[0].c = blob[blob.l++];
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return o;
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}
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function parse_LABEL_16(blob, length) {
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var o = parse_cell_3(blob, length);
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o[1].t = 's';
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o[1].v = blob.read_shift(length - 4, 'cstr');
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return o;
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}
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function parse_NUMBER_18(blob, length) {
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var o = parse_cell_3(blob, length);
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o[1].v = blob.read_shift(2);
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var v = o[1].v >> 1;
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/* TODO: figure out all of the corner cases */
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if(o[1].v & 0x1) {
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switch(v & 0x07) {
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case 1: v = (v >> 3) * 500; break;
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case 2: v = (v >> 3) / 20; break;
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case 4: v = (v >> 3) / 2000; break;
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case 6: v = (v >> 3) / 16; break;
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case 7: v = (v >> 3) / 64; break;
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default: throw "unknown NUMBER_18 encoding " + (v & 0x07);
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}
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}
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o[1].v = v;
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return o;
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}
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function parse_NUMBER_17(blob, length) {
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var o = parse_cell_3(blob, length);
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var v1 = blob.read_shift(4);
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var v2 = blob.read_shift(4);
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var e = blob.read_shift(2);
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if(e == 0xFFFF) { o[1].v = 0; return o; }
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var s = e & 0x8000; e = (e&0x7FFF) - 16446;
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o[1].v = ((e > 0 ? (v2 << e) : (v2 >>> -e)) + (e > -32 ? (v1 << (e + 32)) : (v1 >>> -(e + 32))));
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return o;
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}
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function parse_FORMULA_19(blob, length) {
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var o = parse_NUMBER_17(blob, 14);
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blob.l += length - 14; /* TODO: formula */
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return o;
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}
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function parse_NUMBER_25(blob, length) {
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var o = parse_cell_3(blob, length);
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var v1 = blob.read_shift(4);
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o[1].v = v1 >> 6;
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return o;
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}
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function parse_NUMBER_27(blob, length) {
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var o = parse_cell_3(blob, length);
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var v1 = blob.read_shift(8,'f');
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o[1].v = v1;
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return o;
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}
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function parse_FORMULA_28(blob, length) {
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var o = parse_NUMBER_27(blob, 14);
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blob.l += length - 10; /* TODO: formula */
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return o;
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}
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var WK1Enum = {
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/*::[*/0x0000/*::]*/: { n:"BOF", f:parseuint16 },
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/*::[*/0x0001/*::]*/: { n:"EOF", f:parsenoop },
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/*::[*/0x0002/*::]*/: { n: "CALCMODE", f:parsenoop },
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/*::[*/0x0003/*::]*/: { n:"CALCORDER", f:parsenoop },
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/*::[*/0x0004/*::]*/: { n:"SPLIT", f:parsenoop },
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/*::[*/0x0005/*::]*/: { n:"SYNC", f:parsenoop },
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/*::[*/0x0006/*::]*/: { n:"RANGE", f:parse_RANGE },
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/*::[*/0x0007/*::]*/: { n:"WINDOW1", f:parsenoop },
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/*::[*/0x0008/*::]*/: { n:"COLW1", f:parsenoop },
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/*::[*/0x0009/*::]*/: { n:"WINTWO", f:parsenoop },
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/*::[*/0x000A/*::]*/: { n:"COLW2", f:parsenoop },
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/*::[*/0x000B/*::]*/: { n:"NAME", f:parsenoop },
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/*::[*/0x000C/*::]*/: { n:"BLANK", f:parsenoop },
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/*::[*/0x000D/*::]*/: { n:"INTEGER", f:parse_INTEGER },
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/*::[*/0x000E/*::]*/: { n:"NUMBER", f:parse_NUMBER },
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/*::[*/0x000F/*::]*/: { n:"LABEL", f:parse_LABEL },
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/*::[*/0x0010/*::]*/: { n:"FORMULA", f:parse_FORMULA },
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/*::[*/0x0018/*::]*/: { n:"TABLE", f:parsenoop },
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/*::[*/0x0019/*::]*/: { n:"ORANGE", f:parsenoop },
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/*::[*/0x001A/*::]*/: { n:"PRANGE", f:parsenoop },
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/*::[*/0x001B/*::]*/: { n:"SRANGE", f:parsenoop },
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/*::[*/0x001C/*::]*/: { n:"FRANGE", f:parsenoop },
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/*::[*/0x001D/*::]*/: { n:"KRANGE1", f:parsenoop },
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/*::[*/0x0020/*::]*/: { n:"HRANGE", f:parsenoop },
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/*::[*/0x0023/*::]*/: { n:"KRANGE2", f:parsenoop },
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/*::[*/0x0024/*::]*/: { n:"PROTEC", f:parsenoop },
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/*::[*/0x0025/*::]*/: { n:"FOOTER", f:parsenoop },
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/*::[*/0x0026/*::]*/: { n:"HEADER", f:parsenoop },
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/*::[*/0x0027/*::]*/: { n:"SETUP", f:parsenoop },
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/*::[*/0x0028/*::]*/: { n:"MARGINS", f:parsenoop },
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/*::[*/0x0029/*::]*/: { n:"LABELFMT", f:parsenoop },
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/*::[*/0x002A/*::]*/: { n:"TITLES", f:parsenoop },
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/*::[*/0x002B/*::]*/: { n:"SHEETJS", f:parsenoop },
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/*::[*/0x002D/*::]*/: { n:"GRAPH", f:parsenoop },
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/*::[*/0x002E/*::]*/: { n:"NGRAPH", f:parsenoop },
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/*::[*/0x002F/*::]*/: { n:"CALCCOUNT", f:parsenoop },
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/*::[*/0x0030/*::]*/: { n:"UNFORMATTED", f:parsenoop },
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/*::[*/0x0031/*::]*/: { n:"CURSORW12", f:parsenoop },
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/*::[*/0x0032/*::]*/: { n:"WINDOW", f:parsenoop },
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/*::[*/0x0033/*::]*/: { n:"STRING", f:parse_LABEL },
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/*::[*/0x0037/*::]*/: { n:"PASSWORD", f:parsenoop },
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/*::[*/0x0038/*::]*/: { n:"LOCKED", f:parsenoop },
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/*::[*/0x003C/*::]*/: { n:"QUERY", f:parsenoop },
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/*::[*/0x003D/*::]*/: { n:"QUERYNAME", f:parsenoop },
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/*::[*/0x003E/*::]*/: { n:"PRINT", f:parsenoop },
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/*::[*/0x003F/*::]*/: { n:"PRINTNAME", f:parsenoop },
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/*::[*/0x0040/*::]*/: { n:"GRAPH2", f:parsenoop },
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/*::[*/0x0041/*::]*/: { n:"GRAPHNAME", f:parsenoop },
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/*::[*/0x0042/*::]*/: { n:"ZOOM", f:parsenoop },
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/*::[*/0x0043/*::]*/: { n:"SYMSPLIT", f:parsenoop },
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/*::[*/0x0044/*::]*/: { n:"NSROWS", f:parsenoop },
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/*::[*/0x0045/*::]*/: { n:"NSCOLS", f:parsenoop },
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/*::[*/0x0046/*::]*/: { n:"RULER", f:parsenoop },
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/*::[*/0x0047/*::]*/: { n:"NNAME", f:parsenoop },
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/*::[*/0x0048/*::]*/: { n:"ACOMM", f:parsenoop },
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/*::[*/0x0049/*::]*/: { n:"AMACRO", f:parsenoop },
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/*::[*/0x004A/*::]*/: { n:"PARSE", f:parsenoop },
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/*::[*/0x00FF/*::]*/: { n:"", f:parsenoop }
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};
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var WK3Enum = {
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/*::[*/0x0000/*::]*/: { n:"BOF", f:parsenoop },
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/*::[*/0x0001/*::]*/: { n:"EOF", f:parsenoop },
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/*::[*/0x0003/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0004/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0005/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0006/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0007/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0009/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x000a/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x000b/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x000c/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x000e/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x000f/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0010/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0011/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0012/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0013/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0015/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0016/*::]*/: { n:"LABEL16", f:parse_LABEL_16},
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/*::[*/0x0017/*::]*/: { n:"NUMBER17", f:parse_NUMBER_17 },
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/*::[*/0x0018/*::]*/: { n:"NUMBER18", f:parse_NUMBER_18 },
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/*::[*/0x0019/*::]*/: { n:"FORMULA19", f:parse_FORMULA_19},
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/*::[*/0x001a/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x001b/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x001c/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x001d/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x001e/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x001f/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0021/*::]*/: { n:"??", f:parsenoop },
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/*::[*/0x0025/*::]*/: { n:"NUMBER25", f:parse_NUMBER_25 },
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/*::[*/0x0027/*::]*/: { n:"NUMBER27", f:parse_NUMBER_27 },
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/*::[*/0x0028/*::]*/: { n:"FORMULA28", f:parse_FORMULA_28 },
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/*::[*/0x00FF/*::]*/: { n:"", f:parsenoop }
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};
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return {
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to_workbook: lotus_to_workbook
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};
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})();
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