xsheetjs/bits/40_harb.js
2021-09-14 05:53:11 -04:00

988 lines
37 KiB
JavaScript

/* from js-harb (C) 2014-present SheetJS */
var DBF = (function() {
var dbf_codepage_map = {
/* Code Pages Supported by Visual FoxPro */
/*::[*/0x01/*::]*/: 437, /*::[*/0x02/*::]*/: 850,
/*::[*/0x03/*::]*/: 1252, /*::[*/0x04/*::]*/: 10000,
/*::[*/0x64/*::]*/: 852, /*::[*/0x65/*::]*/: 866,
/*::[*/0x66/*::]*/: 865, /*::[*/0x67/*::]*/: 861,
/*::[*/0x68/*::]*/: 895, /*::[*/0x69/*::]*/: 620,
/*::[*/0x6A/*::]*/: 737, /*::[*/0x6B/*::]*/: 857,
/*::[*/0x78/*::]*/: 950, /*::[*/0x79/*::]*/: 949,
/*::[*/0x7A/*::]*/: 936, /*::[*/0x7B/*::]*/: 932,
/*::[*/0x7C/*::]*/: 874, /*::[*/0x7D/*::]*/: 1255,
/*::[*/0x7E/*::]*/: 1256, /*::[*/0x96/*::]*/: 10007,
/*::[*/0x97/*::]*/: 10029, /*::[*/0x98/*::]*/: 10006,
/*::[*/0xC8/*::]*/: 1250, /*::[*/0xC9/*::]*/: 1251,
/*::[*/0xCA/*::]*/: 1254, /*::[*/0xCB/*::]*/: 1253,
/* shapefile DBF extension */
/*::[*/0x00/*::]*/: 20127, /*::[*/0x08/*::]*/: 865,
/*::[*/0x09/*::]*/: 437, /*::[*/0x0A/*::]*/: 850,
/*::[*/0x0B/*::]*/: 437, /*::[*/0x0D/*::]*/: 437,
/*::[*/0x0E/*::]*/: 850, /*::[*/0x0F/*::]*/: 437,
/*::[*/0x10/*::]*/: 850, /*::[*/0x11/*::]*/: 437,
/*::[*/0x12/*::]*/: 850, /*::[*/0x13/*::]*/: 932,
/*::[*/0x14/*::]*/: 850, /*::[*/0x15/*::]*/: 437,
/*::[*/0x16/*::]*/: 850, /*::[*/0x17/*::]*/: 865,
/*::[*/0x18/*::]*/: 437, /*::[*/0x19/*::]*/: 437,
/*::[*/0x1A/*::]*/: 850, /*::[*/0x1B/*::]*/: 437,
/*::[*/0x1C/*::]*/: 863, /*::[*/0x1D/*::]*/: 850,
/*::[*/0x1F/*::]*/: 852, /*::[*/0x22/*::]*/: 852,
/*::[*/0x23/*::]*/: 852, /*::[*/0x24/*::]*/: 860,
/*::[*/0x25/*::]*/: 850, /*::[*/0x26/*::]*/: 866,
/*::[*/0x37/*::]*/: 850, /*::[*/0x40/*::]*/: 852,
/*::[*/0x4D/*::]*/: 936, /*::[*/0x4E/*::]*/: 949,
/*::[*/0x4F/*::]*/: 950, /*::[*/0x50/*::]*/: 874,
/*::[*/0x57/*::]*/: 1252, /*::[*/0x58/*::]*/: 1252,
/*::[*/0x59/*::]*/: 1252, /*::[*/0x6C/*::]*/: 863,
/*::[*/0x86/*::]*/: 737, /*::[*/0x87/*::]*/: 852,
/*::[*/0x88/*::]*/: 857, /*::[*/0xCC/*::]*/: 1257,
/*::[*/0xFF/*::]*/: 16969
};
var dbf_reverse_map = evert({
/*::[*/0x01/*::]*/: 437, /*::[*/0x02/*::]*/: 850,
/*::[*/0x03/*::]*/: 1252, /*::[*/0x04/*::]*/: 10000,
/*::[*/0x64/*::]*/: 852, /*::[*/0x65/*::]*/: 866,
/*::[*/0x66/*::]*/: 865, /*::[*/0x67/*::]*/: 861,
/*::[*/0x68/*::]*/: 895, /*::[*/0x69/*::]*/: 620,
/*::[*/0x6A/*::]*/: 737, /*::[*/0x6B/*::]*/: 857,
/*::[*/0x78/*::]*/: 950, /*::[*/0x79/*::]*/: 949,
/*::[*/0x7A/*::]*/: 936, /*::[*/0x7B/*::]*/: 932,
/*::[*/0x7C/*::]*/: 874, /*::[*/0x7D/*::]*/: 1255,
/*::[*/0x7E/*::]*/: 1256, /*::[*/0x96/*::]*/: 10007,
/*::[*/0x97/*::]*/: 10029, /*::[*/0x98/*::]*/: 10006,
/*::[*/0xC8/*::]*/: 1250, /*::[*/0xC9/*::]*/: 1251,
/*::[*/0xCA/*::]*/: 1254, /*::[*/0xCB/*::]*/: 1253,
/*::[*/0x00/*::]*/: 20127
});
var DBF_SUPPORTED_VERSIONS = [0x02, 0x03, 0x30, 0x31, 0x83, 0x8B, 0x8C, 0xF5];
/* TODO: find an actual specification */
function dbf_to_aoa(buf, opts)/*:AOA*/ {
var out/*:AOA*/ = [];
var d/*:Block*/ = (new_raw_buf(1)/*:any*/);
switch(opts.type) {
case 'base64': d = s2a(Base64.decode(buf)); break;
case 'binary': d = s2a(buf); break;
case 'buffer':
case 'array': d = buf; break;
}
prep_blob(d, 0);
/* header */
var ft = d.read_shift(1);
var memo = !!(ft & 0x88);
var vfp = false, l7 = false;
switch(ft) {
case 0x02: break; // dBASE II
case 0x03: break; // dBASE III
case 0x30: vfp = true; memo = true; break; // VFP
case 0x31: vfp = true; memo = true; break; // VFP with autoincrement
// 0x43 dBASE IV SQL table files
// 0x63 dBASE IV SQL system files
case 0x83: break; // dBASE III with memo
case 0x8B: break; // dBASE IV with memo
case 0x8C: l7 = true; break; // dBASE Level 7 with memo
// case 0xCB dBASE IV SQL table files with memo
case 0xF5: break; // FoxPro 2.x with memo
// case 0xFB FoxBASE
default: throw new Error("DBF Unsupported Version: " + ft.toString(16));
}
var nrow = 0, fpos = 0x0209;
if(ft == 0x02) nrow = d.read_shift(2);
d.l += 3; // dBASE II stores DDMMYY date, others use YYMMDD
if(ft != 0x02) nrow = d.read_shift(4);
if(nrow > 1048576) nrow = 1e6;
if(ft != 0x02) fpos = d.read_shift(2); // header length
var rlen = d.read_shift(2); // record length
var /*flags = 0,*/ current_cp = opts.codepage || 1252;
if(ft != 0x02) { // 20 reserved bytes
d.l+=16;
/*flags = */d.read_shift(1);
//if(memo && ((flags & 0x02) === 0)) throw new Error("DBF Flags " + flags.toString(16) + " ft " + ft.toString(16));
/* codepage present in FoxPro and dBASE Level 7 */
if(d[d.l] !== 0) current_cp = dbf_codepage_map[d[d.l]];
d.l+=1;
d.l+=2;
}
if(l7) d.l += 36; // Level 7: 32 byte "Language driver name", 4 byte reserved
/*:: type DBFField = { name:string; len:number; type:string; } */
var fields/*:Array<DBFField>*/ = [], field/*:DBFField*/ = ({}/*:any*/);
var hend = Math.min(d.length, (ft == 0x02 ? 0x209 : (fpos - 10 - (vfp ? 264 : 0))));
var ww = l7 ? 32 : 11;
while(d.l < hend && d[d.l] != 0x0d) {
field = ({}/*:any*/);
field.name = cptable.utils.decode(current_cp, d.slice(d.l, d.l+ww)).replace(/[\u0000\r\n].*$/g,"");
d.l += ww;
field.type = String.fromCharCode(d.read_shift(1));
if(ft != 0x02 && !l7) field.offset = d.read_shift(4);
field.len = d.read_shift(1);
if(ft == 0x02) field.offset = d.read_shift(2);
field.dec = d.read_shift(1);
if(field.name.length) fields.push(field);
if(ft != 0x02) d.l += l7 ? 13 : 14;
switch(field.type) {
case 'B': // Double (VFP) / Binary (dBASE L7)
if((!vfp || field.len != 8) && opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
break;
case 'G': // General (FoxPro and dBASE L7)
case 'P': // Picture (FoxPro and dBASE L7)
if(opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
break;
case '+': // Autoincrement (dBASE L7 only)
case '0': // _NullFlags (VFP only)
case '@': // Timestamp (dBASE L7 only)
case 'C': // Character (dBASE II)
case 'D': // Date (dBASE III)
case 'F': // Float (dBASE IV)
case 'I': // Long (VFP and dBASE L7)
case 'L': // Logical (dBASE II)
case 'M': // Memo (dBASE III)
case 'N': // Number (dBASE II)
case 'O': // Double (dBASE L7 only)
case 'T': // Datetime (VFP only)
case 'Y': // Currency (VFP only)
break;
default: throw new Error('Unknown Field Type: ' + field.type);
}
}
if(d[d.l] !== 0x0D) d.l = fpos-1;
if(d.read_shift(1) !== 0x0D) throw new Error("DBF Terminator not found " + d.l + " " + d[d.l]);
d.l = fpos;
/* data */
var R = 0, C = 0;
out[0] = [];
for(C = 0; C != fields.length; ++C) out[0][C] = fields[C].name;
while(nrow-- > 0) {
if(d[d.l] === 0x2A) {
// TODO: record marked as deleted -- create a hidden row?
d.l+=rlen;
continue;
}
++d.l;
out[++R] = []; C = 0;
for(C = 0; C != fields.length; ++C) {
var dd = d.slice(d.l, d.l+fields[C].len); d.l+=fields[C].len;
prep_blob(dd, 0);
var s = cptable.utils.decode(current_cp, dd);
switch(fields[C].type) {
case 'C':
// NOTE: it is conventional to write ' / / ' for empty dates
if(s.trim().length) out[R][C] = s.replace(/\s+$/,"");
break;
case 'D':
if(s.length === 8) out[R][C] = new Date(+s.slice(0,4), +s.slice(4,6)-1, +s.slice(6,8));
else out[R][C] = s;
break;
case 'F': out[R][C] = parseFloat(s.trim()); break;
case '+': case 'I': out[R][C] = l7 ? dd.read_shift(-4, 'i') ^ 0x80000000 : dd.read_shift(4, 'i'); break;
case 'L': switch(s.trim().toUpperCase()) {
case 'Y': case 'T': out[R][C] = true; break;
case 'N': case 'F': out[R][C] = false; break;
case '': case '?': break;
default: throw new Error("DBF Unrecognized L:|" + s + "|");
} break;
case 'M': /* TODO: handle memo files */
if(!memo) throw new Error("DBF Unexpected MEMO for type " + ft.toString(16));
out[R][C] = "##MEMO##" + (l7 ? parseInt(s.trim(), 10): dd.read_shift(4));
break;
case 'N':
s = s.replace(/\u0000/g,"").trim();
// NOTE: dBASE II interprets " . " as 0
if(s && s != ".") out[R][C] = +s || 0; break;
case '@':
// NOTE: dBASE specs appear to be incorrect
out[R][C] = new Date(dd.read_shift(-8, 'f') - 0x388317533400);
break;
case 'T': out[R][C] = new Date((dd.read_shift(4) - 0x253D8C) * 0x5265C00 + dd.read_shift(4)); break;
case 'Y': out[R][C] = dd.read_shift(4,'i')/1e4; break;
case 'O': out[R][C] = -dd.read_shift(-8, 'f'); break;
case 'B': if(vfp && fields[C].len == 8) { out[R][C] = dd.read_shift(8,'f'); break; }
/* falls through */
case 'G': case 'P': dd.l += fields[C].len; break;
case '0':
if(fields[C].name === '_NullFlags') break;
/* falls through */
default: throw new Error("DBF Unsupported data type " + fields[C].type);
}
}
}
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));
if(opts && opts.sheetRows) out = out.slice(0, opts.sheetRows);
return out;
}
function dbf_to_sheet(buf, opts)/*:Worksheet*/ {
var o = opts || {};
if(!o.dateNF) o.dateNF = "yyyymmdd";
return aoa_to_sheet(dbf_to_aoa(buf, o), o);
}
function dbf_to_workbook(buf, opts)/*:Workbook*/ {
try { return sheet_to_workbook(dbf_to_sheet(buf, opts), opts); }
catch(e) { if(opts && opts.WTF) throw e; }
return ({SheetNames:[],Sheets:{}});
}
var _RLEN = { 'B': 8, 'C': 250, 'L': 1, 'D': 8, '?': 0, '': 0 };
function sheet_to_dbf(ws/*:Worksheet*/, opts/*:WriteOpts*/) {
var o = opts || {};
if(+o.codepage >= 0) set_cp(+o.codepage);
if(o.type == "string") throw new Error("Cannot write DBF to JS string");
var ba = buf_array();
var aoa/*:AOA*/ = sheet_to_json(ws, {header:1, raw:true, cellDates:true});
var headers = aoa[0], data = aoa.slice(1);
var i = 0, j = 0, hcnt = 0, rlen = 1;
for(i = 0; i < headers.length; ++i) {
if(i == null) continue;
++hcnt;
if(typeof headers[i] === 'number') headers[i] = headers[i].toString(10);
if(typeof headers[i] !== 'string') throw new Error("DBF Invalid column name " + headers[i] + " |" + (typeof headers[i]) + "|");
if(headers.indexOf(headers[i]) !== i) for(j=0; j<1024;++j)
if(headers.indexOf(headers[i] + "_" + j) == -1) { headers[i] += "_" + j; break; }
}
var range = safe_decode_range(ws['!ref']);
var coltypes/*:Array<string>*/ = [];
for(i = 0; i <= range.e.c - range.s.c; ++i) {
var col/*:Array<any>*/ = [];
for(j=0; j < data.length; ++j) {
if(data[j][i] != null) col.push(data[j][i]);
}
if(col.length == 0 || headers[i] == null) { coltypes[i] = '?'; continue; }
var guess = '', _guess = '';
for(j = 0; j < col.length; ++j) {
switch(typeof col[j]) {
/* TODO: check if L2 compat is desired */
case 'number': _guess = 'B'; break;
case 'string': _guess = 'C'; break;
case 'boolean': _guess = 'L'; break;
case 'object': _guess = col[j] instanceof Date ? 'D' : 'C'; break;
default: _guess = 'C';
}
guess = guess && guess != _guess ? 'C' : _guess;
if(guess == 'C') break;
}
rlen += _RLEN[guess] || 0;
coltypes[i] = guess;
}
var h = ba.next(32);
h.write_shift(4, 0x13021130);
h.write_shift(4, data.length);
h.write_shift(2, 296 + 32 * hcnt);
h.write_shift(2, rlen);
for(i=0; i < 4; ++i) h.write_shift(4, 0);
h.write_shift(4, 0x00000000 | ((+dbf_reverse_map[/*::String(*/current_ansi/*::)*/] || 0x03)<<8));
for(i = 0, j = 0; i < headers.length; ++i) {
if(headers[i] == null) continue;
var hf = ba.next(32);
var _f = (headers[i].slice(-10) + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00").slice(0, 11);
hf.write_shift(1, _f, "sbcs");
hf.write_shift(1, coltypes[i] == '?' ? 'C' : coltypes[i], "sbcs");
hf.write_shift(4, j);
hf.write_shift(1, _RLEN[coltypes[i]] || 0);
hf.write_shift(1, 0);
hf.write_shift(1, 0x02);
hf.write_shift(4, 0);
hf.write_shift(1, 0);
hf.write_shift(4, 0);
hf.write_shift(4, 0);
j += _RLEN[coltypes[i]] || 0;
}
var hb = ba.next(264);
hb.write_shift(4, 0x0000000D);
for(i=0; i < 65;++i) hb.write_shift(4, 0x00000000);
for(i=0; i < data.length; ++i) {
var rout = ba.next(rlen);
rout.write_shift(1, 0);
for(j=0; j<headers.length; ++j) {
if(headers[j] == null) continue;
switch(coltypes[j]) {
case 'L': rout.write_shift(1, data[i][j] == null ? 0x3F : data[i][j] ? 0x54 : 0x46); break;
case 'B': rout.write_shift(8, data[i][j]||0, 'f'); break;
case 'D':
if(!data[i][j]) rout.write_shift(8, "00000000", "sbcs");
else {
rout.write_shift(4, ("0000"+data[i][j].getFullYear()).slice(-4), "sbcs");
rout.write_shift(2, ("00"+(data[i][j].getMonth()+1)).slice(-2), "sbcs");
rout.write_shift(2, ("00"+data[i][j].getDate()).slice(-2), "sbcs");
} break;
case 'C':
var _s = String(data[i][j]||"");
rout.write_shift(1, _s, "sbcs");
for(hcnt=0; hcnt < 250-_s.length; ++hcnt) rout.write_shift(1, 0x20); break;
}
}
// data
}
ba.next(1).write_shift(1, 0x1A);
return ba.end();
}
return {
versions: DBF_SUPPORTED_VERSIONS,
to_workbook: dbf_to_workbook,
to_sheet: dbf_to_sheet,
from_sheet: sheet_to_dbf
};
})();
var SYLK = (function() {
/* TODO: stress test sequences */
var sylk_escapes = ({
AA:'À', BA:'Á', CA:'Â', DA:195, HA:'Ä', JA:197,
AE:'È', BE:'É', CE:'Ê', HE:'Ë',
AI:'Ì', BI:'Í', CI:'Î', HI:'Ï',
AO:'Ò', BO:'Ó', CO:'Ô', DO:213, HO:'Ö',
AU:'Ù', BU:'Ú', CU:'Û', HU:'Ü',
Aa:'à', Ba:'á', Ca:'â', Da:227, Ha:'ä', Ja:229,
Ae:'è', Be:'é', Ce:'ê', He:'ë',
Ai:'ì', Bi:'í', Ci:'î', Hi:'ï',
Ao:'ò', Bo:'ó', Co:'ô', Do:245, Ho:'ö',
Au:'ù', Bu:'ú', Cu:'û', Hu:'ü',
KC:'Ç', Kc:'ç', q:'æ', z:'œ', a:'Æ', j:'Œ',
DN:209, Dn:241, Hy:255,
S:169, c:170, R:174, B:180,
/*::[*/0/*::]*/:176, /*::[*/1/*::]*/:177, /*::[*/2/*::]*/:178,
/*::[*/3/*::]*/:179, /*::[*/5/*::]*/:181, /*::[*/6/*::]*/:182,
/*::[*/7/*::]*/:183, Q:185, k:186, b:208, i:216, l:222, s:240, y:248,
"!":161, '"':162, "#":163, "(":164, "%":165, "'":167, "H ":168,
"+":171, ";":187, "<":188, "=":189, ">":190, "?":191, "{":223
}/*:any*/);
var sylk_char_regex = new RegExp("\u001BN(" + keys(sylk_escapes).join("|").replace(/\|\|\|/, "|\\||").replace(/([?()+])/g,"\\$1") + "|\\|)", "gm");
var sylk_char_fn = function(_, $1){ var o = sylk_escapes[$1]; return typeof o == "number" ? _getansi(o) : o; };
var decode_sylk_char = function($$, $1, $2) { var newcc = (($1.charCodeAt(0) - 0x20)<<4) | ($2.charCodeAt(0) - 0x30); return newcc == 59 ? $$ : _getansi(newcc); };
sylk_escapes["|"] = 254;
/* TODO: find an actual specification */
function sylk_to_aoa(d/*:RawData*/, opts)/*:[AOA, Worksheet]*/ {
switch(opts.type) {
case 'base64': return sylk_to_aoa_str(Base64.decode(d), opts);
case 'binary': return sylk_to_aoa_str(d, opts);
case 'buffer': return sylk_to_aoa_str(d.toString('binary'), opts);
case 'array': return sylk_to_aoa_str(cc2str(d), opts);
}
throw new Error("Unrecognized type " + opts.type);
}
function sylk_to_aoa_str(str/*:string*/, opts)/*:[AOA, Worksheet]*/ {
var records = str.split(/[\n\r]+/), R = -1, C = -1, ri = 0, rj = 0, arr/*:AOA*/ = [];
var formats/*:Array<string>*/ = [];
var next_cell_format/*:string|null*/ = null;
var sht = {}, rowinfo/*:Array<RowInfo>*/ = [], colinfo/*:Array<ColInfo>*/ = [], cw/*:Array<string>*/ = [];
var Mval = 0, j;
if(+opts.codepage >= 0) set_cp(+opts.codepage);
for (; ri !== records.length; ++ri) {
Mval = 0;
var rstr=records[ri].trim().replace(/\x1B([\x20-\x2F])([\x30-\x3F])/g, decode_sylk_char).replace(sylk_char_regex, sylk_char_fn);
var record=rstr.replace(/;;/g, "\u0000").split(";").map(function(x) { return x.replace(/\u0000/g, ";"); });
var RT=record[0], val;
if(rstr.length > 0) switch(RT) {
case 'ID': break; /* header */
case 'E': break; /* EOF */
case 'B': break; /* dimensions */
case 'O': break; /* options? */
case 'P':
if(record[1].charAt(0) == 'P')
formats.push(rstr.slice(3).replace(/;;/g, ";"));
break;
case 'C':
var C_seen_K = false, C_seen_X = false, C_seen_S = false, C_seen_E = false, _R = -1, _C = -1;
for(rj=1; rj<record.length; ++rj) switch(record[rj].charAt(0)) {
case 'A': break; // TODO: comment
case 'X': C = parseInt(record[rj].slice(1))-1; C_seen_X = true; break;
case 'Y':
R = parseInt(record[rj].slice(1))-1; if(!C_seen_X) C = 0;
for(j = arr.length; j <= R; ++j) arr[j] = [];
break;
case 'K':
val = record[rj].slice(1);
if(val.charAt(0) === '"') val = val.slice(1,val.length - 1);
else if(val === 'TRUE') val = true;
else if(val === 'FALSE') val = false;
else if(!isNaN(fuzzynum(val))) {
val = fuzzynum(val);
if(next_cell_format !== null && SSF.is_date(next_cell_format)) val = numdate(val);
} else if(!isNaN(fuzzydate(val).getDate())) {
val = parseDate(val);
}
if(typeof cptable !== 'undefined' && typeof val == "string" && ((opts||{}).type != "string") && (opts||{}).codepage) val = cptable.utils.decode(opts.codepage, val);
C_seen_K = true;
break;
case 'E':
C_seen_E = true;
var formula = rc_to_a1(record[rj].slice(1), {r:R,c:C});
arr[R][C] = [arr[R][C], formula];
break;
case 'S':
C_seen_S = true;
arr[R][C] = [arr[R][C], "S5S"];
break;
case 'G': break; // unknown
case 'R': _R = parseInt(record[rj].slice(1))-1; break;
case 'C': _C = parseInt(record[rj].slice(1))-1; break;
default: if(opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
}
if(C_seen_K) {
if(arr[R][C] && arr[R][C].length == 2) arr[R][C][0] = val;
else arr[R][C] = val;
next_cell_format = null;
}
if(C_seen_S) {
if(C_seen_E) throw new Error("SYLK shared formula cannot have own formula");
var shrbase = _R > -1 && arr[_R][_C];
if(!shrbase || !shrbase[1]) throw new Error("SYLK shared formula cannot find base");
arr[R][C][1] = shift_formula_str(shrbase[1], {r: R - _R, c: C - _C});
}
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 'G': break; /* hide grid */
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 === ""){/* empty */}
else if(data === 'TRUE') arr[R][C] = true;
else if(data === 'FALSE') arr[R][C] = false;
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 ( Object.prototype.hasOwnProperty.call(cnt, end) ) {
cc.push([ cnt[end], end ]);
}
if ( !cc.length ) {
cnt = guess_sep_weights;
for(end in cnt) if ( Object.prototype.hasOwnProperty.call(cnt, 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=") {
// If the line ends in \r\n
if(str.charCodeAt(5) == 13 && str.charCodeAt(6) == 10 ) {
sep = str.charAt(4); str = str.slice(7);
}
// If line ends in \r OR \n
else if(str.charCodeAt(5) == 13 || str.charCodeAt(5) == 10 ) {
sep = str.charAt(4); str = str.slice(6);
}
else sep = guess_sep(str.slice(0,1024));
}
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, startcc=str.charCodeAt(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; startcc = str.charCodeAt(start);
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: if(startcc === 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(!(opts && opts.PRN)) return dsv_to_sheet_str(str, opts);
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':
if(opts.codepage == 65001) str = d.toString('utf8');
else if(opts.codepage && typeof cptable !== 'undefined') str = cptable.utils.decode(opts.codepage, d);
else 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') && typeof cptable !== 'undefined' && opts.codepage) str = cptable.utils.decode(opts.codepage, cptable.utils.encode(28591,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);
}
}