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f43cacaf5e
sheetjs/bits/67_wsxml.js
SheetJS f43cacaf5e experimental dense representation 
- browser demo save file in global (fixes #573 h/t @WildDusk)
- flesh out XLSB record expectations (fixes #624 h/t @pgeeh)
- `dense` mode (fixes #34 h/t @schleumer)
2017-04-08 02:55:35 -04:00

422 lines
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JavaScript
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function parse_ws_xml_dim(ws, s) {
var d = safe_decode_range(s);
if(d.s.r<=d.e.r && d.s.c<=d.e.c && d.s.r>=0 && d.s.c>=0) ws["!ref"] = encode_range(d);
}
var mergecregex = /<(?:\w:)?mergeCell ref="[A-Z0-9:]+"\s*[\/]?>/g;
var sheetdataregex = /<(?:\w+:)?sheetData>([^\u2603]*)<\/(?:\w+:)?sheetData>/;
var hlinkregex = /<(?:\w*:)?hyperlink [^>]*>/mg;
var dimregex = /"(\w*:\w*)"/;
var colregex = /<(?:\w*:)?col[^>]*[\/]?>/g;
/* 18.3 Worksheets */
function parse_ws_xml(data/*:?string*/, opts, rels, wb, themes, styles)/*:Worksheet*/ {
if(!data) return data;
if(DENSE != null) opts.dense = DENSE;
/* 18.3.1.99 worksheet CT_Worksheet */
var s = opts.dense ? ([]/*:any*/) : ({}/*:any*/);
/* 18.3.1.35 dimension CT_SheetDimension ? */
// $FlowIgnore
var ridx = (data.match(/<(?:\w*:)?dimension/)||{index:-1}).index;
if(ridx > 0) {
var ref = data.substr(ridx,50).match(dimregex);
if(ref != null) parse_ws_xml_dim(s, ref[1]);
}
/* 18.3.1.55 mergeCells CT_MergeCells */
var mergecells = [];
var merges = data.match(mergecregex);
if(merges) for(ridx = 0; ridx != merges.length; ++ridx)
mergecells[ridx] = safe_decode_range(merges[ridx].substr(merges[ridx].indexOf("\"")+1));
/* 18.3.1.17 cols CT_Cols */
var columns = [];
if(opts.cellStyles) {
/* 18.3.1.13 col CT_Col */
var cols = data.match(colregex);
if(cols) parse_ws_xml_cols(columns, cols);
}
var refguess/*:Range*/ = ({s: {r:2000000, c:2000000}, e: {r:0, c:0} }/*:any*/);
/* 18.3.1.80 sheetData CT_SheetData ? */
var mtch=data.match(sheetdataregex);
if(mtch) parse_ws_xml_data(mtch[1], s, opts, refguess, themes, styles);
/* 18.3.1.48 hyperlinks CT_Hyperlinks */
var hlink = data.match(hlinkregex);
if(hlink) parse_ws_xml_hlinks(s, hlink, rels);
if(!s["!ref"] && refguess.e.c >= refguess.s.c && refguess.e.r >= refguess.s.r) s["!ref"] = encode_range(refguess);
if(opts.sheetRows > 0 && s["!ref"]) {
var tmpref = safe_decode_range(s["!ref"]);
if(opts.sheetRows < +tmpref.e.r) {
tmpref.e.r = opts.sheetRows - 1;
if(tmpref.e.r > refguess.e.r) tmpref.e.r = refguess.e.r;
if(tmpref.e.r < tmpref.s.r) tmpref.s.r = tmpref.e.r;
if(tmpref.e.c > refguess.e.c) tmpref.e.c = refguess.e.c;
if(tmpref.e.c < tmpref.s.c) tmpref.s.c = tmpref.e.c;
s["!fullref"] = s["!ref"];
s["!ref"] = encode_range(tmpref);
}
}
if(mergecells.length > 0) s["!merges"] = mergecells;
if(columns.length > 0) s["!cols"] = columns;
return s;
}
function write_ws_xml_merges(merges) {
if(merges.length == 0) return "";
var o = '<mergeCells count="' + merges.length + '">';
for(var i = 0; i != merges.length; ++i) o += '<mergeCell ref="' + encode_range(merges[i]) + '"/>';
return o + '</mergeCells>';
}
/* 18.3.1.85 sheetPr CT_SheetProtection */
function write_ws_xml_protection(sp)/*:string*/ {
// algorithmName, hashValue, saltValue, spinCountpassword
var o = ({sheet:1}/*:any*/);
var deffalse = ["objects", "scenarios", "selectLockedCells", "selectUnlockedCells"];
var deftrue = [
"formatColumns", "formatRows", "formatCells",
"insertColumns", "insertRows", "insertHyperlinks",
"deleteColumns", "deleteRows",
"sort", "autoFilter", "pivotTables"
];
deffalse.forEach(function(n) { if(sp[n] != null && sp[n]) o[n] = "1"; });
deftrue.forEach(function(n) { if(sp[n] != null && !sp[n]) o[n] = "0"; });
/* TODO: algorithm */
if(sp.password) o.password = crypto_CreatePasswordVerifier_Method1(sp.password).toString(16).toUpperCase();
return writextag('sheetProtection', null, o);
}
function parse_ws_xml_hlinks(s, data/*:Array<string>*/, rels) {
var dense = Array.isArray(s);
for(var i = 0; i != data.length; ++i) {
var val = parsexmltag(data[i], true);
if(!val.ref) return;
var rel = rels ? rels['!id'][val.id] : null;
if(rel) {
val.Target = rel.Target;
if(val.location) val.Target += "#"+val.location;
val.Rel = rel;
} else {
val.Target = val.location;
rel = {Target: val.location, TargetMode: 'Internal'};
val.Rel = rel;
}
if(val.tooltip) { val.Tooltip = val.tooltip; delete val.tooltip; }
var rng = safe_decode_range(val.ref);
for(var R=rng.s.r;R<=rng.e.r;++R) for(var C=rng.s.c;C<=rng.e.c;++C) {
var addr = encode_cell({c:C,r:R});
if(dense) {
if(!s[R]) s[R] = [];
if(!s[R][C]) s[R][C] = {t:"z",v:undefined};
s[R][C].l = val;
} else {
if(!s[addr]) s[addr] = {t:"z",v:undefined};
s[addr].l = val;
}
}
}
}
function parse_ws_xml_cols(columns, cols) {
var seencol = false;
for(var coli = 0; coli != cols.length; ++coli) {
var coll = parsexmltag(cols[coli], true);
var colm=parseInt(coll.min, 10)-1, colM=parseInt(coll.max,10)-1;
delete coll.min; delete coll.max; coll.width = +coll.width;
if(!seencol && coll.width) { seencol = true; find_mdw_colw(coll.width); }
process_col(coll);
while(colm <= colM) columns[colm++] = dup(coll);
}
}
function write_ws_xml_cols(ws, cols)/*:string*/ {
var o = ["<cols>"], col, width;
for(var i = 0; i != cols.length; ++i) {
if(!(col = cols[i])) continue;
o[o.length] = (writextag('col', null, col_obj_w(i, col)));
}
o[o.length] = "</cols>";
return o.join("");
}
function write_ws_xml_cell(cell, ref, ws, opts, idx, wb) {
if(cell.v === undefined && cell.f === undefined || cell.t === 'z') return "";
var vv = "";
var oldt = cell.t, oldv = cell.v;
switch(cell.t) {
case 'b': vv = cell.v ? "1" : "0"; break;
case 'n': vv = ''+cell.v; break;
case 'e': vv = BErr[cell.v]; break;
case 'd':
if(opts.cellDates) vv = parseDate(cell.v).toISOString();
else {
cell.t = 'n';
vv = ''+(cell.v = datenum(parseDate(cell.v)));
if(typeof cell.z === 'undefined') cell.z = SSF._table[14];
}
break;
default: vv = cell.v; break;
}
var v = writetag('v', escapexml(vv)), o = ({r:ref}/*:any*/);
/* TODO: cell style */
var os = get_cell_style(opts.cellXfs, cell, opts);
if(os !== 0) o.s = os;
switch(cell.t) {
case 'n': break;
case 'd': o.t = "d"; break;
case 'b': o.t = "b"; break;
case 'e': o.t = "e"; break;
default: if(cell.v == null) { delete cell.t; break; }
if(opts.bookSST) {
v = writetag('v', ''+get_sst_id(opts.Strings, cell.v));
o.t = "s"; break;
}
o.t = "str"; break;
}
if(cell.t != oldt) { cell.t = oldt; cell.v = oldv; }
if(cell.f) {
var ff = cell.F && cell.F.substr(0, ref.length) == ref ? {t:"array", ref:cell.F} : null;
v = writextag('f', escapexml(cell.f), ff) + (cell.v != null ? v : "");
}
if(cell.l) ws['!links'].push([ref, cell.l]);
if(cell.c) ws['!comments'].push([ref, cell.c]);
return writextag('c', v, o);
}
var parse_ws_xml_data = (function parse_ws_xml_data_factory() {
var cellregex = /<(?:\w+:)?c[ >]/, rowregex = /<\/(?:\w+:)?row>/;
var rregex = /r=["']([^"']*)["']/, isregex = /<(?:\w+:)?is>([\S\s]*?)<\/(?:\w+:)?is>/;
var refregex = /ref=["']([^"']*)["']/;
var match_v = matchtag("v"), match_f = matchtag("f");
return function parse_ws_xml_data(sdata, s, opts, guess, themes, styles) {
var ri = 0, x = "", cells = [], cref = [], idx = 0, i=0, cc=0, d="", p/*:any*/;
var tag, tagr = 0, tagc = 0;
var sstr, ftag;
var fmtid = 0, fillid = 0, do_format = Array.isArray(styles.CellXf), cf;
var arrayf = [];
var sharedf = [];
var dense = Array.isArray(s);
for(var marr = sdata.split(rowregex), mt = 0, marrlen = marr.length; mt != marrlen; ++mt) {
x = marr[mt].trim();
var xlen = x.length;
if(xlen === 0) continue;
/* 18.3.1.73 row CT_Row */
for(ri = 0; ri < xlen; ++ri) if(x.charCodeAt(ri) === 62) break; ++ri;
tag = parsexmltag(x.substr(0,ri), true);
/* SpreadSheetGear uses implicit r/c */
tagr = typeof tag.r !== 'undefined' ? parseInt(tag.r, 10) : tagr+1; tagc = -1;
if(opts.sheetRows && opts.sheetRows < tagr) continue;
if(guess.s.r > tagr - 1) guess.s.r = tagr - 1;
if(guess.e.r < tagr - 1) guess.e.r = tagr - 1;
/* 18.3.1.4 c CT_Cell */
cells = x.substr(ri).split(cellregex);
for(ri = 0; ri != cells.length; ++ri) {
x = cells[ri].trim();
if(x.length === 0) continue;
cref = x.match(rregex); idx = ri; i=0; cc=0;
x = "<c " + (x.substr(0,1)=="<"?">":"") + x;
if(cref != null && cref.length === 2) {
idx = 0; d=cref[1];
for(i=0; i != d.length; ++i) {
if((cc=d.charCodeAt(i)-64) < 1 || cc > 26) break;
idx = 26*idx + cc;
}
--idx;
tagc = idx;
} else ++tagc;
for(i = 0; i != x.length; ++i) if(x.charCodeAt(i) === 62) break; ++i;
tag = parsexmltag(x.substr(0,i), true);
if(!tag.r) tag.r = utils.encode_cell({r:tagr-1, c:tagc});
d = x.substr(i);
p = ({t:""}/*:any*/);
if((cref=d.match(match_v))!= null && /*::cref != null && */cref[1] !== '') p.v=unescapexml(cref[1]);
if(opts.cellFormula) {
if((cref=d.match(match_f))!= null && /*::cref != null && */cref[1] !== '') {
/* TODO: match against XLSXFutureFunctions */
p.f=unescapexml(utf8read(cref[1])).replace(/_xlfn\./,"");
if(/*::cref != null && cref[0] != null && */cref[0].indexOf('t="array"') > -1) {
p.F = (d.match(refregex)||[])[1];
if(p.F.indexOf(":") > -1) arrayf.push([safe_decode_range(p.F), p.F]);
} else if(/*::cref != null && cref[0] != null && */cref[0].indexOf('t="shared"') > -1) {
// TODO: parse formula
ftag = parsexmltag(cref[0]);
sharedf[parseInt(ftag.si, 10)] = [ftag, unescapexml(utf8read(cref[1]))];
}
} else if((cref=d.match(/<f[^>]*\/>/))) {
ftag = parsexmltag(cref[0]);
if(sharedf[ftag.si]) p.f = shift_formula_xlsx(sharedf[ftag.si][1], sharedf[ftag.si][0].ref, tag.r);
}
/* TODO: factor out contains logic */
var _tag = decode_cell(tag.r);
for(i = 0; i < arrayf.length; ++i)
if(_tag.r >= arrayf[i][0].s.r && _tag.r <= arrayf[i][0].e.r)
if(_tag.c >= arrayf[i][0].s.c && _tag.c <= arrayf[i][0].e.c)
p.F = arrayf[i][1];
}
/* SCHEMA IS ACTUALLY INCORRECT HERE. IF A CELL HAS NO T, EMIT "" */
if(tag.t === undefined && p.v === undefined) {
if(!opts.sheetStubs) continue;
p.t = "z";
}
else p.t = tag.t || "n";
if(guess.s.c > idx) guess.s.c = idx;
if(guess.e.c < idx) guess.e.c = idx;
/* 18.18.11 t ST_CellType */
switch(p.t) {
case 'n':
p.v = parseFloat(p.v);
break;
case 's':
sstr = strs[parseInt(p.v, 10)];
if(typeof p.v == 'undefined') {
if(!opts.sheetStubs) continue;
p.t = 'z';
}
p.v = sstr.t;
p.r = sstr.r;
if(opts.cellHTML) p.h = sstr.h;
break;
case 'str':
p.t = "s";
p.v = (p.v!=null) ? utf8read(p.v) : '';
if(opts.cellHTML) p.h = p.v;
break;
case 'inlineStr':
cref = d.match(isregex);
p.t = 's';
if(cref != null && (sstr = parse_si(cref[1]))) p.v = sstr.t; else p.v = "";
break; // inline string
case 'b': p.v = parsexmlbool(p.v); break;
case 'd':
if(!opts.cellDates) { p.v = datenum(parseDate(p.v)); p.t = 'n'; }
break;
/* error string in .w, number in .v */
case 'e': p.w = p.v; p.v = RBErr[p.v]; break;
}
/* formatting */
fmtid = fillid = 0;
if(do_format && tag.s !== undefined) {
cf = styles.CellXf[tag.s];
if(cf != null) {
if(cf.numFmtId != null) fmtid = cf.numFmtId;
if(opts.cellStyles && cf.fillId != null) fillid = cf.fillId;
}
}
safe_format(p, fmtid, fillid, opts, themes, styles);
if(opts.cellDates && do_format && p.t == 'n' && SSF.is_date(SSF._table[fmtid])) {
var _d = SSF.parse_date_code(p.v); if(_d) { p.t = 'd'; p.v = new Date(Date.UTC(_d.y, _d.m-1,_d.d,_d.H,_d.M,_d.S,_d.u)); }
}
if(dense) {
var _r = decode_cell(tag.r);
if(!s[_r.r]) s[_r.r] = [];
s[_r.r][_r.c] = p;
} else s[tag.r] = p;
}
}
}; })();
function write_ws_xml_data(ws/*:Worksheet*/, opts, idx/*:number*/, wb/*:Workbook*/, rels)/*:string*/ {
var o = [], r = [], range = safe_decode_range(ws['!ref']), cell, ref, rr = "", cols = [], R=0, C=0, rows = ws['!rows'];
var dense = Array.isArray(ws);
for(C = range.s.c; C <= range.e.c; ++C) cols[C] = encode_col(C);
for(R = range.s.r; R <= range.e.r; ++R) {
r = [];
rr = encode_row(R);
for(C = range.s.c; C <= range.e.c; ++C) {
ref = cols[C] + rr;
var _cell = dense ? (ws[R]||[])[C]: ws[ref];
if(_cell === undefined) continue;
if((cell = write_ws_xml_cell(_cell, ref, ws, opts, idx, wb)) != null) r.push(cell);
}
if(r.length > 0) {
var params = ({r:rr}/*:any*/);
if(rows && rows[R]) {
var row = rows[R];
if(row.hidden) params.hidden = 1;
var height = -1;
if (row.hpx) height = px2pt(row.hpx);
else if (row.hpt) height = row.hpt;
if (height > -1) { params.ht = height; params.customHeight = 1; }
}
o[o.length] = (writextag('row', r.join(""), params));
}
}
return o.join("");
}
var WS_XML_ROOT = writextag('worksheet', null, {
'xmlns': XMLNS.main[0],
'xmlns:r': XMLNS.r
});
function write_ws_xml(idx/*:number*/, opts, wb/*:Workbook*/, rels)/*:string*/ {
var o = [XML_HEADER, WS_XML_ROOT];
var s = wb.SheetNames[idx], sidx = 0, rdata = "";
var ws = wb.Sheets[s];
if(ws === undefined) ws = {};
var ref = ws['!ref']; if(ref === undefined) ref = 'A1';
if(!rels) rels = {};
ws['!comments'] = [];
ws['!drawing'] = [];
o[o.length] = (writextag('sheetPr', null, {'codeName': escapexml(wb.SheetNames[idx])}));
o[o.length] = (writextag('dimension', null, {'ref': ref}));
/* TODO: store in WB, process styles */
if(opts.sheetFormat) o[o.length] = (writextag('sheetFormatPr', null, {defaultRowHeight:opts.sheetFormat.defaultRowHeight||'16', baseColWidth:opts.sheetFormat.baseColWidth||'10' }));
if(ws['!cols'] !== undefined && ws['!cols'].length > 0) o[o.length] = (write_ws_xml_cols(ws, ws['!cols']));
o[sidx = o.length] = '<sheetData/>';
ws['!links'] = [];
if(ws['!ref'] != null) {
rdata = write_ws_xml_data(ws, opts, idx, wb, rels);
if(rdata.length > 0) o[o.length] = (rdata);
}
if(o.length>sidx+1) { o[o.length] = ('</sheetData>'); o[sidx]=o[sidx].replace("/>",">"); }
if(ws['!protect'] != null) o[o.length] = write_ws_xml_protection(ws['!protect']);
if(ws['!merges'] != null && ws['!merges'].length > 0) o[o.length] = (write_ws_xml_merges(ws['!merges']));
var relc = -1, rel, rId = -1;
if(ws['!links'].length > 0) {
o[o.length] = "<hyperlinks>";
ws['!links'].forEach(function(l) {
if(!l[1].Target) return;
rId = add_rels(rels, -1, escapexml(l[1].Target).replace(/#.*$/, ""), RELS.HLINK);
rel = ({"ref":l[0], "r:id":"rId"+rId}/*:any*/);
if((relc = l[1].Target.indexOf("#")) > -1) rel.location = escapexml(l[1].Target.substr(relc+1));
if(l[1].Tooltip) rel.tooltip = escapexml(l[1].Tooltip);
o[o.length] = writextag("hyperlink",null,rel);
});
o[o.length] = "</hyperlinks>";
}
delete ws['!links'];
var hfidx = o.length;
o[o.length] = "";
if(ws['!drawing'].length > 0) {
rId = add_rels(rels, -1, "../drawings/drawing" + (idx+1) + ".xml", RELS.DRAW);
ws['!drawing'].rid = rId;
o[o.length] = writextag("drawing", null, {"r:id":"rId" + rId});
}
else delete ws['!drawing'];
if(ws['!comments'].length > 0) {
rId = add_rels(rels, -1, "../drawings/vmlDrawing" + (idx+1) + ".vml", RELS.VML);
o[o.length] = writextag("legacyDrawing", null, {"r:id":"rId" + rId});
ws['!legacy'] = rId;
}
if(o.length>2) { o[o.length] = ('</worksheet>'); o[1]=o[1].replace("/>",">"); }
return o.join("");
}
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