forked from sheetjs/sheetjs
SheetJS
93f7749bec
- all formats accept `sheetRows` option (fixes #1062 h/t @prog666) - `table_to_*` support for `sheetRows` - demo cleanup
885 lines
32 KiB
JavaScript
885 lines
32 KiB
JavaScript
/* from js-harb (C) 2014-present SheetJS */
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var DBF = (function() {
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var dbf_codepage_map = {
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/* Code Pages Supported by Visual FoxPro */
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/*::[*/0x01/*::]*/: 437, /*::[*/0x02/*::]*/: 850,
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/*::[*/0x03/*::]*/: 1252, /*::[*/0x04/*::]*/: 10000,
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/*::[*/0x64/*::]*/: 852, /*::[*/0x65/*::]*/: 866,
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/*::[*/0x66/*::]*/: 865, /*::[*/0x67/*::]*/: 861,
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/*::[*/0x68/*::]*/: 895, /*::[*/0x69/*::]*/: 620,
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/*::[*/0x6A/*::]*/: 737, /*::[*/0x6B/*::]*/: 857,
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/*::[*/0x78/*::]*/: 950, /*::[*/0x79/*::]*/: 949,
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/*::[*/0x7A/*::]*/: 936, /*::[*/0x7B/*::]*/: 932,
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/*::[*/0x7C/*::]*/: 874, /*::[*/0x7D/*::]*/: 1255,
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/*::[*/0x7E/*::]*/: 1256, /*::[*/0x96/*::]*/: 10007,
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/*::[*/0x97/*::]*/: 10029, /*::[*/0x98/*::]*/: 10006,
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/*::[*/0xC8/*::]*/: 1250, /*::[*/0xC9/*::]*/: 1251,
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/*::[*/0xCA/*::]*/: 1254, /*::[*/0xCB/*::]*/: 1253,
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/* shapefile DBF extension */
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/*::[*/0x00/*::]*/: 20127, /*::[*/0x08/*::]*/: 865,
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/*::[*/0x09/*::]*/: 437, /*::[*/0x0A/*::]*/: 850,
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/*::[*/0x0B/*::]*/: 437, /*::[*/0x0D/*::]*/: 437,
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/*::[*/0x0E/*::]*/: 850, /*::[*/0x0F/*::]*/: 437,
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/*::[*/0x10/*::]*/: 850, /*::[*/0x11/*::]*/: 437,
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/*::[*/0x12/*::]*/: 850, /*::[*/0x13/*::]*/: 932,
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/*::[*/0x14/*::]*/: 850, /*::[*/0x15/*::]*/: 437,
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/*::[*/0x16/*::]*/: 850, /*::[*/0x17/*::]*/: 865,
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/*::[*/0x18/*::]*/: 437, /*::[*/0x19/*::]*/: 437,
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/*::[*/0x1A/*::]*/: 850, /*::[*/0x1B/*::]*/: 437,
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/*::[*/0x1C/*::]*/: 863, /*::[*/0x1D/*::]*/: 850,
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/*::[*/0x1F/*::]*/: 852, /*::[*/0x22/*::]*/: 852,
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/*::[*/0x23/*::]*/: 852, /*::[*/0x24/*::]*/: 860,
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/*::[*/0x25/*::]*/: 850, /*::[*/0x26/*::]*/: 866,
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/*::[*/0x37/*::]*/: 850, /*::[*/0x40/*::]*/: 852,
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/*::[*/0x4D/*::]*/: 936, /*::[*/0x4E/*::]*/: 949,
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/*::[*/0x4F/*::]*/: 950, /*::[*/0x50/*::]*/: 874,
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/*::[*/0x57/*::]*/: 1252, /*::[*/0x58/*::]*/: 1252,
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/*::[*/0x59/*::]*/: 1252,
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/*::[*/0xFF/*::]*/: 16969
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};
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/* TODO: find an actual specification */
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function dbf_to_aoa(buf, opts)/*:AOA*/ {
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var out/*:AOA*/ = [];
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/* TODO: browser based */
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var d/*:Block*/ = (new_raw_buf(1)/*:any*/);
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switch(opts.type) {
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case 'base64': d = s2a(Base64.decode(buf)); break;
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case 'binary': d = s2a(buf); break;
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case 'buffer':
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case 'array': d = buf; break;
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}
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prep_blob(d, 0);
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/* header */
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var ft = d.read_shift(1);
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var memo = false;
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var vfp = false, l7 = false;
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switch(ft) {
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case 0x02: case 0x03: break;
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case 0x30: vfp = true; memo = true; break;
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case 0x31: vfp = true; break;
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case 0x83: memo = true; break;
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case 0x8B: memo = true; break;
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case 0x8C: memo = true; l7 = true; break;
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case 0xF5: memo = true; break;
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default: throw new Error("DBF Unsupported Version: " + ft.toString(16));
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}
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var /*filedate = new Date(),*/ nrow = 0, fpos = 0;
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if(ft == 0x02) nrow = d.read_shift(2);
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/*filedate = new Date(d.read_shift(1) + 1900, d.read_shift(1) - 1, d.read_shift(1));*/d.l += 3;
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if(ft != 0x02) nrow = d.read_shift(4);
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if(ft != 0x02) fpos = d.read_shift(2);
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var rlen = d.read_shift(2);
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var /*flags = 0,*/ current_cp = 1252;
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if(ft != 0x02) {
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d.l+=16;
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/*flags = */d.read_shift(1);
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//if(memo && ((flags & 0x02) === 0)) throw new Error("DBF Flags " + flags.toString(16) + " ft " + ft.toString(16));
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/* codepage present in FoxPro */
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if(d[d.l] !== 0) current_cp = dbf_codepage_map[d[d.l]];
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d.l+=1;
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d.l+=2;
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}
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if(l7) d.l += 36;
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/*:: type DBFField = { name:string; len:number; type:string; } */
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var fields/*:Array<DBFField>*/ = [], field/*:DBFField*/ = ({}/*:any*/);
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var hend = fpos - 10 - (vfp ? 264 : 0), ww = l7 ? 32 : 11;
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while(ft == 0x02 ? d.l < d.length && d[d.l] != 0x0d: d.l < hend) {
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field = ({}/*:any*/);
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field.name = cptable.utils.decode(current_cp, d.slice(d.l, d.l+ww)).replace(/[\u0000\r\n].*$/g,"");
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d.l += ww;
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field.type = String.fromCharCode(d.read_shift(1));
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if(ft != 0x02 && !l7) field.offset = d.read_shift(4);
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field.len = d.read_shift(1);
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if(ft == 0x02) field.offset = d.read_shift(2);
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field.dec = d.read_shift(1);
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if(field.name.length) fields.push(field);
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if(ft != 0x02) d.l += l7 ? 13 : 14;
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switch(field.type) {
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case 'B': // VFP Double
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if((!vfp || field.len != 8) && opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
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break;
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case 'G': // General
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case 'P': // Picture
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if(opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
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break;
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case 'C': // character
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case 'D': // date
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case 'F': // floating point
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case 'I': // long
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case 'L': // boolean
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case 'M': // memo
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case 'N': // number
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case 'O': // double
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case 'T': // datetime
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case 'Y': // currency
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case '0': // VFP _NullFlags
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case '@': // timestamp
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case '+': // autoincrement
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break;
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default: throw new Error('Unknown Field Type: ' + field.type);
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}
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}
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if(d[d.l] !== 0x0D) d.l = fpos-1;
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else if(ft == 0x02) d.l = 0x209;
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if(ft != 0x02) {
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if(d.read_shift(1) !== 0x0D) throw new Error("DBF Terminator not found " + d.l + " " + d[d.l]);
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d.l = fpos;
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}
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/* data */
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var R = 0, C = 0;
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out[0] = [];
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for(C = 0; C != fields.length; ++C) out[0][C] = fields[C].name;
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while(nrow-- > 0) {
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if(d[d.l] === 0x2A) { d.l+=rlen; continue; }
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++d.l;
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out[++R] = []; C = 0;
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for(C = 0; C != fields.length; ++C) {
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var dd = d.slice(d.l, d.l+fields[C].len); d.l+=fields[C].len;
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prep_blob(dd, 0);
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var s = cptable.utils.decode(current_cp, dd);
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switch(fields[C].type) {
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case 'C':
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out[R][C] = cptable.utils.decode(current_cp, dd);
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out[R][C] = out[R][C].trim();
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break;
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case 'D':
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if(s.length === 8) out[R][C] = new Date(+s.slice(0,4), +s.slice(4,6)-1, +s.slice(6,8));
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else out[R][C] = s;
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break;
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case 'F': out[R][C] = parseFloat(s.trim()); break;
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case '+': case 'I': out[R][C] = l7 ? dd.read_shift(-4, 'i') ^ 0x80000000 : dd.read_shift(4, 'i'); break;
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case 'L': switch(s.toUpperCase()) {
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case 'Y': case 'T': out[R][C] = true; break;
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case 'N': case 'F': out[R][C] = false; break;
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case ' ': case '?': out[R][C] = false; break; /* NOTE: technically uninitialized */
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default: throw new Error("DBF Unrecognized L:|" + s + "|");
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} break;
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case 'M': /* TODO: handle memo files */
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if(!memo) throw new Error("DBF Unexpected MEMO for type " + ft.toString(16));
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out[R][C] = "##MEMO##" + (l7 ? parseInt(s.trim(), 10): dd.read_shift(4));
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break;
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case 'N': out[R][C] = +s.replace(/\u0000/g,"").trim(); break;
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case '@': out[R][C] = new Date(dd.read_shift(-8, 'f') - 0x388317533400); break;
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case 'T': out[R][C] = new Date((dd.read_shift(4) - 0x253D8C) * 0x5265C00 + dd.read_shift(4)); break;
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case 'Y': out[R][C] = dd.read_shift(4,'i')/1e4; break;
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case 'O': out[R][C] = -dd.read_shift(-8, 'f'); break;
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case 'B': if(vfp && fields[C].len == 8) { out[R][C] = dd.read_shift(8,'f'); break; }
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/* falls through */
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case 'G': case 'P': dd.l += fields[C].len; break;
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case '0':
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if(fields[C].name === '_NullFlags') break;
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/* falls through */
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default: throw new Error("DBF Unsupported data type " + fields[C].type);
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}
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}
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}
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if(ft != 0x02) if(d.l < d.length && d[d.l++] != 0x1A) throw new Error("DBF EOF Marker missing " + (d.l-1) + " of " + d.length + " " + d[d.l-1].toString(16));
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if(opts && opts.sheetRows) out = out.slice(0, opts.sheetRows);
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return out;
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}
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function dbf_to_sheet(buf, opts)/*:Worksheet*/ {
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var o = opts || {};
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if(!o.dateNF) o.dateNF = "yyyymmdd";
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return aoa_to_sheet(dbf_to_aoa(buf, o), o);
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}
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function dbf_to_workbook(buf, opts)/*:Workbook*/ {
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try { return sheet_to_workbook(dbf_to_sheet(buf, opts), opts); }
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catch(e) { if(opts && opts.WTF) throw e; }
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return ({SheetNames:[],Sheets:{}});
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}
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var _RLEN = { 'B': 8, 'C': 250, 'L': 1, 'D': 8, '?': 0, '': 0 };
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function sheet_to_dbf(ws/*:Worksheet*/, opts/*:WriteOpts*/) {
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var o = opts || {};
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if(o.type == "string") throw new Error("Cannot write DBF to JS string");
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var ba = buf_array();
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var aoa/*:AOA*/ = sheet_to_json(ws, {header:1, raw:true, cellDates:true});
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var headers = aoa[0], data = aoa.slice(1);
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var i = 0, j = 0, hcnt = 0, rlen = 1;
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for(i = 0; i < headers.length; ++i) {
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if(i == null) continue;
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++hcnt;
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if(typeof headers[i] === 'number') headers[i] = headers[i].toString(10);
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if(typeof headers[i] !== 'string') throw new Error("DBF Invalid column name " + headers[i] + " |" + (typeof headers[i]) + "|");
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if(headers.indexOf(headers[i]) !== i) for(j=0; j<1024;++j)
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if(headers.indexOf(headers[i] + "_" + j) == -1) { headers[i] += "_" + j; break; }
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}
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var range = safe_decode_range(ws['!ref']);
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var coltypes/*:Array<string>*/ = [];
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for(i = 0; i <= range.e.c - range.s.c; ++i) {
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var col/*:Array<any>*/ = [];
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for(j=0; j < data.length; ++j) {
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if(data[j][i] != null) col.push(data[j][i]);
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}
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if(col.length == 0 || headers[i] == null) { coltypes[i] = '?'; continue; }
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var guess = '', _guess = '';
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for(j = 0; j < col.length; ++j) {
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switch(typeof col[j]) {
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/* TODO: check if L2 compat is desired */
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case 'number': _guess = 'B'; break;
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case 'string': _guess = 'C'; break;
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case 'boolean': _guess = 'L'; break;
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case 'object': _guess = col[j] instanceof Date ? 'D' : 'C'; break;
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default: _guess = 'C';
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}
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guess = guess && guess != _guess ? 'C' : _guess;
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if(guess == 'C') break;
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}
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rlen += _RLEN[guess] || 0;
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coltypes[i] = guess;
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}
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var h = ba.next(32);
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h.write_shift(4, 0x13021130);
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h.write_shift(4, data.length);
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h.write_shift(2, 296 + 32 * hcnt);
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h.write_shift(2, rlen);
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for(i=0; i < 4; ++i) h.write_shift(4, 0);
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h.write_shift(4, 0x00000300); // TODO: CP
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for(i = 0, j = 0; i < headers.length; ++i) {
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if(headers[i] == null) continue;
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var hf = ba.next(32);
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var _f = (headers[i].slice(-10) + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00").slice(0, 11);
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hf.write_shift(1, _f, "sbcs");
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hf.write_shift(1, coltypes[i] == '?' ? 'C' : coltypes[i], "sbcs");
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hf.write_shift(4, j);
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hf.write_shift(1, _RLEN[coltypes[i]] || 0);
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hf.write_shift(1, 0);
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hf.write_shift(1, 0x02);
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hf.write_shift(4, 0);
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hf.write_shift(1, 0);
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hf.write_shift(4, 0);
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hf.write_shift(4, 0);
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j += _RLEN[coltypes[i]] || 0;
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}
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var hb = ba.next(264);
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hb.write_shift(4, 0x0000000D);
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for(i=0; i < 65;++i) hb.write_shift(4, 0x00000000);
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for(i=0; i < data.length; ++i) {
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var rout = ba.next(rlen);
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rout.write_shift(1, 0);
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for(j=0; j<headers.length; ++j) {
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if(headers[j] == null) continue;
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switch(coltypes[j]) {
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case 'L': rout.write_shift(1, data[i][j] == null ? 0x3F : data[i][j] ? 0x54 : 0x46); break;
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case 'B': rout.write_shift(8, data[i][j]||0, 'f'); break;
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case 'D':
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if(!data[i][j]) rout.write_shift(8, "00000000", "sbcs");
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else {
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rout.write_shift(4, ("0000"+data[i][j].getFullYear()).slice(-4), "sbcs");
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rout.write_shift(2, ("00"+(data[i][j].getMonth()+1)).slice(-2), "sbcs");
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rout.write_shift(2, ("00"+data[i][j].getDate()).slice(-2), "sbcs");
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} break;
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case 'C':
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var _s = String(data[i][j]||"");
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rout.write_shift(1, _s, "sbcs");
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for(hcnt=0; hcnt < 250-_s.length; ++hcnt) rout.write_shift(1, 0x20); break;
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}
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}
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// data
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}
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ba.next(1).write_shift(1, 0x1A);
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return ba.end();
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}
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return {
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to_workbook: dbf_to_workbook,
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to_sheet: dbf_to_sheet,
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from_sheet: sheet_to_dbf
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};
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})();
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var SYLK = (function() {
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/* TODO: find an actual specification */
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function sylk_to_aoa(d/*:RawData*/, opts)/*:[AOA, Worksheet]*/ {
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switch(opts.type) {
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case 'base64': return sylk_to_aoa_str(Base64.decode(d), opts);
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case 'binary': return sylk_to_aoa_str(d, opts);
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case 'buffer': return sylk_to_aoa_str(d.toString('binary'), opts);
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case 'array': return sylk_to_aoa_str(cc2str(d), opts);
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}
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throw new Error("Unrecognized type " + opts.type);
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}
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function sylk_to_aoa_str(str/*:string*/, opts)/*:[AOA, Worksheet]*/ {
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var records = str.split(/[\n\r]+/), R = -1, C = -1, ri = 0, rj = 0, arr/*:AOA*/ = [];
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var formats/*:Array<string>*/ = [];
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var next_cell_format/*:string|null*/ = null;
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var sht = {}, rowinfo/*:Array<RowInfo>*/ = [], colinfo/*:Array<ColInfo>*/ = [], cw/*:Array<string>*/ = [];
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var Mval = 0, j;
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for (; ri !== records.length; ++ri) {
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Mval = 0;
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var rstr=records[ri].trim();
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var record=rstr.replace(/;;/g, "\u0001").split(";").map(function(x) { return x.replace(/\u0001/g, ";"); });
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var RT=record[0], val;
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if(rstr.length > 0) switch(RT) {
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case 'ID': break; /* header */
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case 'E': break; /* EOF */
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case 'B': break; /* dimensions */
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case 'O': break; /* options? */
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case 'P':
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if(record[1].charAt(0) == 'P')
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formats.push(rstr.slice(3).replace(/;;/g, ";"));
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break;
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case 'C':
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for(rj=1; rj<record.length; ++rj) switch(record[rj].charAt(0)) {
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case 'X': C = parseInt(record[rj].slice(1))-1; break;
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case 'Y':
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R = parseInt(record[rj].slice(1))-1; C = 0;
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for(j = arr.length; j <= R; ++j) arr[j] = [];
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break;
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case 'K':
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val = record[rj].slice(1);
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if(val.charAt(0) === '"') val = val.slice(1,val.length - 1);
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else if(val === 'TRUE') val = true;
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else if(val === 'FALSE') val = false;
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else if(!isNaN(fuzzynum(val))) {
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val = fuzzynum(val);
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if(next_cell_format !== null && SSF.is_date(next_cell_format)) val = numdate(val);
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} else if(!isNaN(fuzzydate(val).getDate())) {
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val = parseDate(val);
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}
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arr[R][C] = val;
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next_cell_format = null;
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break;
|
|
case 'E':
|
|
var formula = rc_to_a1(record[rj].slice(1), {r:R,c:C});
|
|
arr[R][C] = [arr[R][C], formula];
|
|
break;
|
|
default: if(opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
|
|
} break;
|
|
case 'F':
|
|
var F_seen = 0;
|
|
for(rj=1; rj<record.length; ++rj) switch(record[rj].charAt(0)) {
|
|
case 'X': C = parseInt(record[rj].slice(1))-1; ++F_seen; break;
|
|
case 'Y':
|
|
R = parseInt(record[rj].slice(1))-1; /*C = 0;*/
|
|
for(j = arr.length; j <= R; ++j) arr[j] = [];
|
|
break;
|
|
case 'M': Mval = parseInt(record[rj].slice(1)) / 20; break;
|
|
case 'F': break; /* ??? */
|
|
case 'P':
|
|
next_cell_format = formats[parseInt(record[rj].slice(1))];
|
|
break;
|
|
case 'S': break; /* cell style */
|
|
case 'D': break; /* column */
|
|
case 'N': break; /* font */
|
|
case 'W':
|
|
cw = record[rj].slice(1).split(" ");
|
|
for(j = parseInt(cw[0], 10); j <= parseInt(cw[1], 10); ++j) {
|
|
Mval = parseInt(cw[2], 10);
|
|
colinfo[j-1] = Mval === 0 ? {hidden:true}: {wch:Mval}; process_col(colinfo[j-1]);
|
|
} break;
|
|
case 'C': /* default column format */
|
|
C = parseInt(record[rj].slice(1))-1;
|
|
if(!colinfo[C]) colinfo[C] = {};
|
|
break;
|
|
case 'R': /* row properties */
|
|
R = parseInt(record[rj].slice(1))-1;
|
|
if(!rowinfo[R]) rowinfo[R] = {};
|
|
if(Mval > 0) { rowinfo[R].hpt = Mval; rowinfo[R].hpx = pt2px(Mval); }
|
|
else if(Mval === 0) rowinfo[R].hidden = true;
|
|
break;
|
|
default: if(opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
|
|
}
|
|
if(F_seen < 1) next_cell_format = null; break;
|
|
default: if(opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
|
|
}
|
|
}
|
|
if(rowinfo.length > 0) sht['!rows'] = rowinfo;
|
|
if(colinfo.length > 0) sht['!cols'] = colinfo;
|
|
if(opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
|
|
return [arr, sht];
|
|
}
|
|
|
|
function sylk_to_sheet(d/*:RawData*/, opts)/*:Worksheet*/ {
|
|
var aoasht = sylk_to_aoa(d, opts);
|
|
var aoa = aoasht[0], ws = aoasht[1];
|
|
var o = aoa_to_sheet(aoa, opts);
|
|
keys(ws).forEach(function(k) { o[k] = ws[k]; });
|
|
return o;
|
|
}
|
|
|
|
function sylk_to_workbook(d/*:RawData*/, opts)/*:Workbook*/ { return sheet_to_workbook(sylk_to_sheet(d, opts), opts); }
|
|
|
|
function write_ws_cell_sylk(cell/*:Cell*/, ws/*:Worksheet*/, R/*:number*/, C/*:number*//*::, opts*/)/*:string*/ {
|
|
var o = "C;Y" + (R+1) + ";X" + (C+1) + ";K";
|
|
switch(cell.t) {
|
|
case 'n':
|
|
o += (cell.v||0);
|
|
if(cell.f && !cell.F) o += ";E" + a1_to_rc(cell.f, {r:R, c:C}); break;
|
|
case 'b': o += cell.v ? "TRUE" : "FALSE"; break;
|
|
case 'e': o += cell.w || cell.v; break;
|
|
case 'd': o += '"' + (cell.w || cell.v) + '"'; break;
|
|
case 's': o += '"' + cell.v.replace(/"/g,"") + '"'; break;
|
|
}
|
|
return o;
|
|
}
|
|
|
|
function write_ws_cols_sylk(out, cols) {
|
|
cols.forEach(function(col, i) {
|
|
var rec = "F;W" + (i+1) + " " + (i+1) + " ";
|
|
if(col.hidden) rec += "0";
|
|
else {
|
|
if(typeof col.width == 'number') col.wpx = width2px(col.width);
|
|
if(typeof col.wpx == 'number') col.wch = px2char(col.wpx);
|
|
if(typeof col.wch == 'number') rec += Math.round(col.wch);
|
|
}
|
|
if(rec.charAt(rec.length - 1) != " ") out.push(rec);
|
|
});
|
|
}
|
|
|
|
function write_ws_rows_sylk(out/*:Array<string>*/, rows/*:Array<RowInfo>*/) {
|
|
rows.forEach(function(row, i) {
|
|
var rec = "F;";
|
|
if(row.hidden) rec += "M0;";
|
|
else if(row.hpt) rec += "M" + 20 * row.hpt + ";";
|
|
else if(row.hpx) rec += "M" + 20 * px2pt(row.hpx) + ";";
|
|
if(rec.length > 2) out.push(rec + "R" + (i+1));
|
|
});
|
|
}
|
|
|
|
function sheet_to_sylk(ws/*:Worksheet*/, opts/*:?any*/)/*:string*/ {
|
|
var preamble/*:Array<string>*/ = ["ID;PWXL;N;E"], o/*:Array<string>*/ = [];
|
|
var r = safe_decode_range(ws['!ref']), cell/*:Cell*/;
|
|
var dense = Array.isArray(ws);
|
|
var RS = "\r\n";
|
|
|
|
preamble.push("P;PGeneral");
|
|
preamble.push("F;P0;DG0G8;M255");
|
|
if(ws['!cols']) write_ws_cols_sylk(preamble, ws['!cols']);
|
|
if(ws['!rows']) write_ws_rows_sylk(preamble, ws['!rows']);
|
|
|
|
preamble.push("B;Y" + (r.e.r - r.s.r + 1) + ";X" + (r.e.c - r.s.c + 1) + ";D" + [r.s.c,r.s.r,r.e.c,r.e.r].join(" "));
|
|
for(var R = r.s.r; R <= r.e.r; ++R) {
|
|
for(var C = r.s.c; C <= r.e.c; ++C) {
|
|
var coord = encode_cell({r:R,c:C});
|
|
cell = dense ? (ws[R]||[])[C]: ws[coord];
|
|
if(!cell || (cell.v == null && (!cell.f || cell.F))) continue;
|
|
o.push(write_ws_cell_sylk(cell, ws, R, C, opts));
|
|
}
|
|
}
|
|
return preamble.join(RS) + RS + o.join(RS) + RS + "E" + RS;
|
|
}
|
|
|
|
return {
|
|
to_workbook: sylk_to_workbook,
|
|
to_sheet: sylk_to_sheet,
|
|
from_sheet: sheet_to_sylk
|
|
};
|
|
})();
|
|
|
|
var DIF = (function() {
|
|
function dif_to_aoa(d/*:RawData*/, opts)/*:AOA*/ {
|
|
switch(opts.type) {
|
|
case 'base64': return dif_to_aoa_str(Base64.decode(d), opts);
|
|
case 'binary': return dif_to_aoa_str(d, opts);
|
|
case 'buffer': return dif_to_aoa_str(d.toString('binary'), opts);
|
|
case 'array': return dif_to_aoa_str(cc2str(d), opts);
|
|
}
|
|
throw new Error("Unrecognized type " + opts.type);
|
|
}
|
|
function dif_to_aoa_str(str/*:string*/, opts)/*:AOA*/ {
|
|
var records = str.split('\n'), R = -1, C = -1, ri = 0, arr/*:AOA*/ = [];
|
|
for (; ri !== records.length; ++ri) {
|
|
if (records[ri].trim() === 'BOT') { arr[++R] = []; C = 0; continue; }
|
|
if (R < 0) continue;
|
|
var metadata = records[ri].trim().split(",");
|
|
var type = metadata[0], value = metadata[1];
|
|
++ri;
|
|
var data = records[ri].trim();
|
|
switch (+type) {
|
|
case -1:
|
|
if (data === 'BOT') { arr[++R] = []; C = 0; continue; }
|
|
else if (data !== 'EOD') throw new Error("Unrecognized DIF special command " + data);
|
|
break;
|
|
case 0:
|
|
if(data === 'TRUE') arr[R][C] = true;
|
|
else if(data === 'FALSE') arr[R][C] = false;
|
|
else if(!isNaN(fuzzynum(value))) arr[R][C] = fuzzynum(value);
|
|
else if(!isNaN(fuzzydate(value).getDate())) arr[R][C] = parseDate(value);
|
|
else arr[R][C] = value;
|
|
++C; break;
|
|
case 1:
|
|
data = data.slice(1,data.length-1);
|
|
arr[R][C++] = data !== '' ? data : null;
|
|
break;
|
|
}
|
|
if (data === 'EOD') break;
|
|
}
|
|
if(opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
|
|
return arr;
|
|
}
|
|
|
|
function dif_to_sheet(str/*:string*/, opts)/*:Worksheet*/ { return aoa_to_sheet(dif_to_aoa(str, opts), opts); }
|
|
function dif_to_workbook(str/*:string*/, opts)/*:Workbook*/ { return sheet_to_workbook(dif_to_sheet(str, opts), opts); }
|
|
|
|
var sheet_to_dif = (function() {
|
|
var push_field = function pf(o/*:Array<string>*/, topic/*:string*/, v/*:number*/, n/*:number*/, s/*:string*/) {
|
|
o.push(topic);
|
|
o.push(v + "," + n);
|
|
o.push('"' + s.replace(/"/g,'""') + '"');
|
|
};
|
|
var push_value = function po(o/*:Array<string>*/, type/*:number*/, v/*:any*/, s/*:string*/) {
|
|
o.push(type + "," + v);
|
|
o.push(type == 1 ? '"' + s.replace(/"/g,'""') + '"' : s);
|
|
};
|
|
return function sheet_to_dif(ws/*:Worksheet*//*::, opts:?any*/)/*:string*/ {
|
|
var o/*:Array<string>*/ = [];
|
|
var r = safe_decode_range(ws['!ref']), cell/*:Cell*/;
|
|
var dense = Array.isArray(ws);
|
|
push_field(o, "TABLE", 0, 1, "sheetjs");
|
|
push_field(o, "VECTORS", 0, r.e.r - r.s.r + 1,"");
|
|
push_field(o, "TUPLES", 0, r.e.c - r.s.c + 1,"");
|
|
push_field(o, "DATA", 0, 0,"");
|
|
for(var R = r.s.r; R <= r.e.r; ++R) {
|
|
push_value(o, -1, 0, "BOT");
|
|
for(var C = r.s.c; C <= r.e.c; ++C) {
|
|
var coord = encode_cell({r:R,c:C});
|
|
cell = dense ? (ws[R]||[])[C] : ws[coord];
|
|
if(!cell) { push_value(o, 1, 0, ""); continue;}
|
|
switch(cell.t) {
|
|
case 'n':
|
|
var val = DIF_XL ? cell.w : cell.v;
|
|
if(!val && cell.v != null) val = cell.v;
|
|
if(val == null) {
|
|
if(DIF_XL && cell.f && !cell.F) push_value(o, 1, 0, "=" + cell.f);
|
|
else push_value(o, 1, 0, "");
|
|
}
|
|
else push_value(o, 0, val, "V");
|
|
break;
|
|
case 'b':
|
|
push_value(o, 0, cell.v ? 1 : 0, cell.v ? "TRUE" : "FALSE");
|
|
break;
|
|
case 's':
|
|
push_value(o, 1, 0, (!DIF_XL || isNaN(cell.v)) ? cell.v : '="' + cell.v + '"');
|
|
break;
|
|
case 'd':
|
|
if(!cell.w) cell.w = SSF.format(cell.z || SSF._table[14], datenum(parseDate(cell.v)));
|
|
if(DIF_XL) push_value(o, 0, cell.w, "V");
|
|
else push_value(o, 1, 0, cell.w);
|
|
break;
|
|
default: push_value(o, 1, 0, "");
|
|
}
|
|
}
|
|
}
|
|
push_value(o, -1, 0, "EOD");
|
|
var RS = "\r\n";
|
|
var oo = o.join(RS);
|
|
//while((oo.length & 0x7F) != 0) oo += "\0";
|
|
return oo;
|
|
};
|
|
})();
|
|
return {
|
|
to_workbook: dif_to_workbook,
|
|
to_sheet: dif_to_sheet,
|
|
from_sheet: sheet_to_dif
|
|
};
|
|
})();
|
|
|
|
var ETH = (function() {
|
|
function decode(s/*:string*/)/*:string*/ { return s.replace(/\\b/g,"\\").replace(/\\c/g,":").replace(/\\n/g,"\n"); }
|
|
function encode(s/*:string*/)/*:string*/ { return s.replace(/\\/g, "\\b").replace(/:/g, "\\c").replace(/\n/g,"\\n"); }
|
|
|
|
function eth_to_aoa(str/*:string*/, opts)/*:AOA*/ {
|
|
var records = str.split('\n'), R = -1, C = -1, ri = 0, arr/*:AOA*/ = [];
|
|
for (; ri !== records.length; ++ri) {
|
|
var record = records[ri].trim().split(":");
|
|
if(record[0] !== 'cell') continue;
|
|
var addr = decode_cell(record[1]);
|
|
if(arr.length <= addr.r) for(R = arr.length; R <= addr.r; ++R) if(!arr[R]) arr[R] = [];
|
|
R = addr.r; C = addr.c;
|
|
switch(record[2]) {
|
|
case 't': arr[R][C] = decode(record[3]); break;
|
|
case 'v': arr[R][C] = +record[3]; break;
|
|
case 'vtf': var _f = record[record.length - 1];
|
|
/* falls through */
|
|
case 'vtc':
|
|
switch(record[3]) {
|
|
case 'nl': arr[R][C] = +record[4] ? true : false; break;
|
|
default: arr[R][C] = +record[4]; break;
|
|
}
|
|
if(record[2] == 'vtf') arr[R][C] = [arr[R][C], _f];
|
|
}
|
|
}
|
|
if(opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
|
|
return arr;
|
|
}
|
|
|
|
function eth_to_sheet(d/*:string*/, opts)/*:Worksheet*/ { return aoa_to_sheet(eth_to_aoa(d, opts), opts); }
|
|
function eth_to_workbook(d/*:string*/, opts)/*:Workbook*/ { return sheet_to_workbook(eth_to_sheet(d, opts), opts); }
|
|
|
|
var header = [
|
|
"socialcalc:version:1.5",
|
|
"MIME-Version: 1.0",
|
|
"Content-Type: multipart/mixed; boundary=SocialCalcSpreadsheetControlSave"
|
|
].join("\n");
|
|
|
|
var sep = [
|
|
"--SocialCalcSpreadsheetControlSave",
|
|
"Content-type: text/plain; charset=UTF-8"
|
|
].join("\n") + "\n";
|
|
|
|
/* TODO: the other parts */
|
|
var meta = [
|
|
"# SocialCalc Spreadsheet Control Save",
|
|
"part:sheet"
|
|
].join("\n");
|
|
|
|
var end = "--SocialCalcSpreadsheetControlSave--";
|
|
|
|
function sheet_to_eth_data(ws/*:Worksheet*/)/*:string*/ {
|
|
if(!ws || !ws['!ref']) return "";
|
|
var o/*:Array<string>*/ = [], oo/*:Array<string>*/ = [], cell, coord = "";
|
|
var r = decode_range(ws['!ref']);
|
|
var dense = Array.isArray(ws);
|
|
for(var R = r.s.r; R <= r.e.r; ++R) {
|
|
for(var C = r.s.c; C <= r.e.c; ++C) {
|
|
coord = encode_cell({r:R,c:C});
|
|
cell = dense ? (ws[R]||[])[C] : ws[coord];
|
|
if(!cell || cell.v == null || cell.t === 'z') continue;
|
|
oo = ["cell", coord, 't'];
|
|
switch(cell.t) {
|
|
case 's': case 'str': oo.push(encode(cell.v)); break;
|
|
case 'n':
|
|
if(!cell.f) { oo[2]='v'; oo[3]=cell.v; }
|
|
else { oo[2]='vtf'; oo[3]='n'; oo[4]=cell.v; oo[5]=encode(cell.f); }
|
|
break;
|
|
case 'b':
|
|
oo[2] = 'vt'+(cell.f?'f':'c'); oo[3]='nl'; oo[4]=cell.v?"1":"0";
|
|
oo[5] = encode(cell.f||(cell.v?'TRUE':'FALSE'));
|
|
break;
|
|
case 'd':
|
|
var t = datenum(parseDate(cell.v));
|
|
oo[2] = 'vtc'; oo[3] = 'nd'; oo[4] = ""+t;
|
|
oo[5] = cell.w || SSF.format(cell.z || SSF._table[14], t);
|
|
break;
|
|
case 'e': continue;
|
|
}
|
|
o.push(oo.join(":"));
|
|
}
|
|
}
|
|
o.push("sheet:c:" + (r.e.c-r.s.c+1) + ":r:" + (r.e.r-r.s.r+1) + ":tvf:1");
|
|
o.push("valueformat:1:text-wiki");
|
|
//o.push("copiedfrom:" + ws['!ref']); // clipboard only
|
|
return o.join("\n");
|
|
}
|
|
|
|
function sheet_to_eth(ws/*:Worksheet*//*::, opts:?any*/)/*:string*/ {
|
|
return [header, sep, meta, sep, sheet_to_eth_data(ws), end].join("\n");
|
|
// return ["version:1.5", sheet_to_eth_data(ws)].join("\n"); // clipboard form
|
|
}
|
|
|
|
return {
|
|
to_workbook: eth_to_workbook,
|
|
to_sheet: eth_to_sheet,
|
|
from_sheet: sheet_to_eth
|
|
};
|
|
})();
|
|
|
|
var PRN = (function() {
|
|
function set_text_arr(data/*:string*/, arr/*:AOA*/, R/*:number*/, C/*:number*/, o/*:any*/) {
|
|
if(o.raw) arr[R][C] = data;
|
|
else if(data === 'TRUE') arr[R][C] = true;
|
|
else if(data === 'FALSE') arr[R][C] = false;
|
|
else if(data === ""){/* empty */}
|
|
else if(!isNaN(fuzzynum(data))) arr[R][C] = fuzzynum(data);
|
|
else if(!isNaN(fuzzydate(data).getDate())) arr[R][C] = parseDate(data);
|
|
else arr[R][C] = data;
|
|
}
|
|
|
|
function prn_to_aoa_str(f/*:string*/, opts)/*:AOA*/ {
|
|
var o = opts || {};
|
|
var arr/*:AOA*/ = ([]/*:any*/);
|
|
if(!f || f.length === 0) return arr;
|
|
var lines = f.split(/[\r\n]/);
|
|
var L = lines.length - 1;
|
|
while(L >= 0 && lines[L].length === 0) --L;
|
|
var start = 10, idx = 0;
|
|
var R = 0;
|
|
for(; R <= L; ++R) {
|
|
idx = lines[R].indexOf(" ");
|
|
if(idx == -1) idx = lines[R].length; else idx++;
|
|
start = Math.max(start, idx);
|
|
}
|
|
for(R = 0; R <= L; ++R) {
|
|
arr[R] = [];
|
|
/* TODO: confirm that widths are always 10 */
|
|
var C = 0;
|
|
set_text_arr(lines[R].slice(0, start).trim(), arr, R, C, o);
|
|
for(C = 1; C <= (lines[R].length - start)/10 + 1; ++C)
|
|
set_text_arr(lines[R].slice(start+(C-1)*10,start+C*10).trim(),arr,R,C,o);
|
|
}
|
|
if(o.sheetRows) arr = arr.slice(0, o.sheetRows);
|
|
return arr;
|
|
}
|
|
|
|
// List of accepted CSV separators
|
|
var guess_seps = {
|
|
/*::[*/0x2C/*::]*/: ',',
|
|
/*::[*/0x09/*::]*/: "\t",
|
|
/*::[*/0x3B/*::]*/: ';'
|
|
};
|
|
|
|
// CSV separator weights to be used in case of equal numbers
|
|
var guess_sep_weights = {
|
|
/*::[*/0x2C/*::]*/: 3,
|
|
/*::[*/0x09/*::]*/: 2,
|
|
/*::[*/0x3B/*::]*/: 1
|
|
};
|
|
|
|
function guess_sep(str) {
|
|
var cnt = {}, instr = false, end = 0, cc = 0;
|
|
for(;end < str.length;++end) {
|
|
if((cc=str.charCodeAt(end)) == 0x22) instr = !instr;
|
|
else if(!instr && cc in guess_seps) cnt[cc] = (cnt[cc]||0)+1;
|
|
}
|
|
|
|
cc = [];
|
|
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
|
|
cc.push([ cnt[end], end ]);
|
|
}
|
|
|
|
if ( !cc.length ) {
|
|
cnt = guess_sep_weights;
|
|
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
|
|
cc.push([ cnt[end], end ]);
|
|
}
|
|
}
|
|
|
|
cc.sort(function(a, b) { return a[0] - b[0] || guess_sep_weights[a[1]] - guess_sep_weights[b[1]]; });
|
|
|
|
return guess_seps[cc.pop()[1]];
|
|
}
|
|
|
|
function dsv_to_sheet_str(str/*:string*/, opts)/*:Worksheet*/ {
|
|
var o = opts || {};
|
|
var sep = "";
|
|
if(DENSE != null && o.dense == null) o.dense = DENSE;
|
|
var ws/*:Worksheet*/ = o.dense ? ([]/*:any*/) : ({}/*:any*/);
|
|
var range/*:Range*/ = ({s: {c:0, r:0}, e: {c:0, r:0}}/*:any*/);
|
|
|
|
if(str.slice(0,4) == "sep=" && str.charCodeAt(5) == 10) { sep = str.charAt(4); str = str.slice(6); }
|
|
else sep = guess_sep(str.slice(0,1024));
|
|
var R = 0, C = 0, v = 0;
|
|
var start = 0, end = 0, sepcc = sep.charCodeAt(0), instr = false, cc=0;
|
|
str = str.replace(/\r\n/mg, "\n");
|
|
var _re/*:?RegExp*/ = o.dateNF != null ? dateNF_regex(o.dateNF) : null;
|
|
function finish_cell() {
|
|
var s = str.slice(start, end);
|
|
var cell = ({}/*:any*/);
|
|
if(s.charAt(0) == '"' && s.charAt(s.length - 1) == '"') s = s.slice(1,-1).replace(/""/g,'"');
|
|
if(s.length === 0) cell.t = 'z';
|
|
else if(o.raw) { cell.t = 's'; cell.v = s; }
|
|
else if(s.trim().length === 0) { cell.t = 's'; cell.v = s; }
|
|
else if(s.charCodeAt(0) == 0x3D) {
|
|
if(s.charCodeAt(1) == 0x22 && s.charCodeAt(s.length - 1) == 0x22) { cell.t = 's'; cell.v = s.slice(2,-1).replace(/""/g,'"'); }
|
|
else if(fuzzyfmla(s)) { cell.t = 'n'; cell.f = s.slice(1); }
|
|
else { cell.t = 's'; cell.v = s; } }
|
|
else if(s == "TRUE") { cell.t = 'b'; cell.v = true; }
|
|
else if(s == "FALSE") { cell.t = 'b'; cell.v = false; }
|
|
else if(!isNaN(v = fuzzynum(s))) { cell.t = 'n'; if(o.cellText !== false) cell.w = s; cell.v = v; }
|
|
else if(!isNaN(fuzzydate(s).getDate()) || _re && s.match(_re)) {
|
|
cell.z = o.dateNF || SSF._table[14];
|
|
var k = 0;
|
|
if(_re && s.match(_re)){ s=dateNF_fix(s, o.dateNF, (s.match(_re)||[])); k=1; }
|
|
if(o.cellDates) { cell.t = 'd'; cell.v = parseDate(s, k); }
|
|
else { cell.t = 'n'; cell.v = datenum(parseDate(s, k)); }
|
|
if(o.cellText !== false) cell.w = SSF.format(cell.z, cell.v instanceof Date ? datenum(cell.v):cell.v);
|
|
if(!o.cellNF) delete cell.z;
|
|
} else {
|
|
cell.t = 's';
|
|
cell.v = s;
|
|
}
|
|
if(cell.t == 'z'){}
|
|
else if(o.dense) { if(!ws[R]) ws[R] = []; ws[R][C] = cell; }
|
|
else ws[encode_cell({c:C,r:R})] = cell;
|
|
start = end+1;
|
|
if(range.e.c < C) range.e.c = C;
|
|
if(range.e.r < R) range.e.r = R;
|
|
if(cc == sepcc) ++C; else { C = 0; ++R; if(o.sheetRows && o.sheetRows <= R) return true; }
|
|
}
|
|
outer: for(;end < str.length;++end) switch((cc=str.charCodeAt(end))) {
|
|
case 0x22: instr = !instr; break;
|
|
case sepcc: case 0x0a: case 0x0d: if(!instr && finish_cell()) break outer; break;
|
|
default: break;
|
|
}
|
|
if(end - start > 0) finish_cell();
|
|
|
|
ws['!ref'] = encode_range(range);
|
|
return ws;
|
|
}
|
|
|
|
function prn_to_sheet_str(str/*:string*/, opts)/*:Worksheet*/ {
|
|
if(str.slice(0,4) == "sep=") return dsv_to_sheet_str(str, opts);
|
|
if(str.indexOf("\t") >= 0 || str.indexOf(",") >= 0 || str.indexOf(";") >= 0) return dsv_to_sheet_str(str, opts);
|
|
return aoa_to_sheet(prn_to_aoa_str(str, opts), opts);
|
|
}
|
|
|
|
function prn_to_sheet(d/*:RawData*/, opts)/*:Worksheet*/ {
|
|
var str = "", bytes = opts.type == 'string' ? [0,0,0,0] : firstbyte(d, opts);
|
|
switch(opts.type) {
|
|
case 'base64': str = Base64.decode(d); break;
|
|
case 'binary': str = d; break;
|
|
case 'buffer': str = d.toString('binary'); break;
|
|
case 'array': str = cc2str(d); break;
|
|
case 'string': str = d; break;
|
|
default: throw new Error("Unrecognized type " + opts.type);
|
|
}
|
|
if(bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF) str = utf8read(str.slice(3));
|
|
else if((opts.type == 'binary' || opts.type == 'buffer') && typeof cptable !== 'undefined' && opts.codepage) str = cptable.utils.decode(opts.codepage, cptable.utils.encode(1252,str));
|
|
if(str.slice(0,19) == "socialcalc:version:") return ETH.to_sheet(opts.type == 'string' ? str : utf8read(str), opts);
|
|
return prn_to_sheet_str(str, opts);
|
|
}
|
|
|
|
function prn_to_workbook(d/*:RawData*/, opts)/*:Workbook*/ { return sheet_to_workbook(prn_to_sheet(d, opts), opts); }
|
|
|
|
function sheet_to_prn(ws/*:Worksheet*//*::, opts:?any*/)/*:string*/ {
|
|
var o/*:Array<string>*/ = [];
|
|
var r = safe_decode_range(ws['!ref']), cell/*:Cell*/;
|
|
var dense = Array.isArray(ws);
|
|
for(var R = r.s.r; R <= r.e.r; ++R) {
|
|
var oo/*:Array<string>*/ = [];
|
|
for(var C = r.s.c; C <= r.e.c; ++C) {
|
|
var coord = encode_cell({r:R,c:C});
|
|
cell = dense ? (ws[R]||[])[C] : ws[coord];
|
|
if(!cell || cell.v == null) { oo.push(" "); continue; }
|
|
var w = (cell.w || (format_cell(cell), cell.w) || "").slice(0,10);
|
|
while(w.length < 10) w += " ";
|
|
oo.push(w + (C === 0 ? " " : ""));
|
|
}
|
|
o.push(oo.join(""));
|
|
}
|
|
return o.join("\n");
|
|
}
|
|
|
|
return {
|
|
to_workbook: prn_to_workbook,
|
|
to_sheet: prn_to_sheet,
|
|
from_sheet: sheet_to_prn
|
|
};
|
|
})();
|
|
|
|
/* Excel defaults to SYLK but warns if data is not valid */
|
|
function read_wb_ID(d, opts) {
|
|
var o = opts || {}, OLD_WTF = !!o.WTF; o.WTF = true;
|
|
try {
|
|
var out = SYLK.to_workbook(d, o);
|
|
o.WTF = OLD_WTF;
|
|
return out;
|
|
} catch(e) {
|
|
o.WTF = OLD_WTF;
|
|
if(!e.message.match(/SYLK bad record ID/) && OLD_WTF) throw e;
|
|
return PRN.to_workbook(d, opts);
|
|
}
|
|
}
|
|
|