xsheetjs/bits/90_utils.js
SheetJS 257d4e6db2 version bump 0.16.0
closes #1904 h/t
- @atcazzual : Adam Cazzolla of the Sonatype Security Research team
- @davisjam  : James (Jamie) Davis of Virginia Tech
2020-04-19 21:17:44 -04:00

269 lines
9.2 KiB
JavaScript

/*::
type MJRObject = {
row: any;
isempty: boolean;
};
*/
function make_json_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Array<string>*/, header/*:number*/, hdr/*:Array<any>*/, dense/*:boolean*/, o/*:Sheet2JSONOpts*/)/*:MJRObject*/ {
var rr = encode_row(R);
var defval = o.defval, raw = o.raw || !Object.prototype.hasOwnProperty.call(o, "raw");
var isempty = true;
var row/*:any*/ = (header === 1) ? [] : {};
if(header !== 1) {
if(Object.defineProperty) try { Object.defineProperty(row, '__rowNum__', {value:R, enumerable:false}); } catch(e) { row.__rowNum__ = R; }
else row.__rowNum__ = R;
}
if(!dense || sheet[R]) for (var C = r.s.c; C <= r.e.c; ++C) {
var val = dense ? sheet[R][C] : sheet[cols[C] + rr];
if(val === undefined || val.t === undefined) {
if(defval === undefined) continue;
if(hdr[C] != null) { row[hdr[C]] = defval; }
continue;
}
var v = val.v;
switch(val.t){
case 'z': if(v == null) break; continue;
case 'e': v = void 0; break;
case 's': case 'd': case 'b': case 'n': break;
default: throw new Error('unrecognized type ' + val.t);
}
if(hdr[C] != null) {
if(v == null) {
if(defval !== undefined) row[hdr[C]] = defval;
else if(raw && v === null) row[hdr[C]] = null;
else continue;
} else {
row[hdr[C]] = raw ? v : format_cell(val,v,o);
}
if(v != null) isempty = false;
}
}
return { row: row, isempty: isempty };
}
function sheet_to_json(sheet/*:Worksheet*/, opts/*:?Sheet2JSONOpts*/) {
if(sheet == null || sheet["!ref"] == null) return [];
var val = {t:'n',v:0}, header = 0, offset = 1, hdr/*:Array<any>*/ = [], v=0, vv="";
var r = {s:{r:0,c:0},e:{r:0,c:0}};
var o = opts || {};
var range = o.range != null ? o.range : sheet["!ref"];
if(o.header === 1) header = 1;
else if(o.header === "A") header = 2;
else if(Array.isArray(o.header)) header = 3;
else if(o.header == null) header = 0;
switch(typeof range) {
case 'string': r = safe_decode_range(range); break;
case 'number': r = safe_decode_range(sheet["!ref"]); r.s.r = range; break;
default: r = range;
}
if(header > 0) offset = 0;
var rr = encode_row(r.s.r);
var cols/*:Array<string>*/ = [];
var out/*:Array<any>*/ = [];
var outi = 0, counter = 0;
var dense = Array.isArray(sheet);
var R = r.s.r, C = 0, CC = 0;
if(dense && !sheet[R]) sheet[R] = [];
for(C = r.s.c; C <= r.e.c; ++C) {
cols[C] = encode_col(C);
val = dense ? sheet[R][C] : sheet[cols[C] + rr];
switch(header) {
case 1: hdr[C] = C - r.s.c; break;
case 2: hdr[C] = cols[C]; break;
case 3: hdr[C] = o.header[C - r.s.c]; break;
default:
if(val == null) val = {w: "__EMPTY", t: "s"};
vv = v = format_cell(val, null, o);
counter = 0;
for(CC = 0; CC < hdr.length; ++CC) if(hdr[CC] == vv) vv = v + "_" + (++counter);
hdr[C] = vv;
}
}
for (R = r.s.r + offset; R <= r.e.r; ++R) {
var row = make_json_row(sheet, r, R, cols, header, hdr, dense, o);
if((row.isempty === false) || (header === 1 ? o.blankrows !== false : !!o.blankrows)) out[outi++] = row.row;
}
out.length = outi;
return out;
}
var qreg = /"/g;
function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Array<string>*/, fs/*:number*/, rs/*:number*/, FS/*:string*/, o/*:Sheet2CSVOpts*/)/*:?string*/ {
var isempty = true;
var row/*:Array<string>*/ = [], txt = "", rr = encode_row(R);
for(var C = r.s.c; C <= r.e.c; ++C) {
if (!cols[C]) continue;
var val = o.dense ? (sheet[R]||[])[C]: sheet[cols[C] + rr];
if(val == null) txt = "";
else if(val.v != null) {
isempty = false;
txt = ''+format_cell(val, null, o);
for(var i = 0, cc = 0; i !== txt.length; ++i) if((cc = txt.charCodeAt(i)) === fs || cc === rs || cc === 34) {txt = "\"" + txt.replace(qreg, '""') + "\""; break; }
if(txt == "ID") txt = '"ID"';
} else if(val.f != null && !val.F) {
isempty = false;
txt = '=' + val.f; if(txt.indexOf(",") >= 0) txt = '"' + txt.replace(qreg, '""') + '"';
} else txt = "";
/* NOTE: Excel CSV does not support array formulae */
row.push(txt);
}
if(o.blankrows === false && isempty) return null;
return row.join(FS);
}
function sheet_to_csv(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/)/*:string*/ {
var out/*:Array<string>*/ = [];
var o = opts == null ? {} : opts;
if(sheet == null || sheet["!ref"] == null) return "";
var r = safe_decode_range(sheet["!ref"]);
var FS = o.FS !== undefined ? o.FS : ",", fs = FS.charCodeAt(0);
var RS = o.RS !== undefined ? o.RS : "\n", rs = RS.charCodeAt(0);
var endregex = new RegExp((FS=="|" ? "\\|" : FS)+"+$");
var row = "", cols/*:Array<string>*/ = [];
o.dense = Array.isArray(sheet);
var colinfo/*:Array<ColInfo>*/ = o.skipHidden && sheet["!cols"] || [];
var rowinfo/*:Array<ColInfo>*/ = o.skipHidden && sheet["!rows"] || [];
for(var C = r.s.c; C <= r.e.c; ++C) if (!((colinfo[C]||{}).hidden)) cols[C] = encode_col(C);
for(var R = r.s.r; R <= r.e.r; ++R) {
if ((rowinfo[R]||{}).hidden) continue;
row = make_csv_row(sheet, r, R, cols, fs, rs, FS, o);
if(row == null) { continue; }
if(o.strip) row = row.replace(endregex,"");
out.push(row + RS);
}
delete o.dense;
return out.join("");
}
function sheet_to_txt(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/) {
if(!opts) opts = {}; opts.FS = "\t"; opts.RS = "\n";
var s = sheet_to_csv(sheet, opts);
if(typeof cptable == 'undefined' || opts.type == 'string') return s;
var o = cptable.utils.encode(1200, s, 'str');
return String.fromCharCode(255) + String.fromCharCode(254) + o;
}
function sheet_to_formulae(sheet/*:Worksheet*/)/*:Array<string>*/ {
var y = "", x, val="";
if(sheet == null || sheet["!ref"] == null) return [];
var r = safe_decode_range(sheet['!ref']), rr = "", cols/*:Array<string>*/ = [], C;
var cmds/*:Array<string>*/ = [];
var dense = Array.isArray(sheet);
for(C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
for(var R = r.s.r; R <= r.e.r; ++R) {
rr = encode_row(R);
for(C = r.s.c; C <= r.e.c; ++C) {
y = cols[C] + rr;
x = dense ? (sheet[R]||[])[C] : sheet[y];
val = "";
if(x === undefined) continue;
else if(x.F != null) {
y = x.F;
if(!x.f) continue;
val = x.f;
if(y.indexOf(":") == -1) y = y + ":" + y;
}
if(x.f != null) val = x.f;
else if(x.t == 'z') continue;
else if(x.t == 'n' && x.v != null) val = "" + x.v;
else if(x.t == 'b') val = x.v ? "TRUE" : "FALSE";
else if(x.w !== undefined) val = "'" + x.w;
else if(x.v === undefined) continue;
else if(x.t == 's') val = "'" + x.v;
else val = ""+x.v;
cmds[cmds.length] = y + "=" + val;
}
}
return cmds;
}
function sheet_add_json(_ws/*:?Worksheet*/, js/*:Array<any>*/, opts)/*:Worksheet*/ {
var o = opts || {};
var offset = +!o.skipHeader;
var ws/*:Worksheet*/ = _ws || ({}/*:any*/);
var _R = 0, _C = 0;
if(ws && o.origin != null) {
if(typeof o.origin == 'number') _R = o.origin;
else {
var _origin/*:CellAddress*/ = typeof o.origin == "string" ? decode_cell(o.origin) : o.origin;
_R = _origin.r; _C = _origin.c;
}
}
var cell/*:Cell*/;
var range/*:Range*/ = ({s: {c:0, r:0}, e: {c:_C, r:_R + js.length - 1 + offset}}/*:any*/);
if(ws['!ref']) {
var _range = safe_decode_range(ws['!ref']);
range.e.c = Math.max(range.e.c, _range.e.c);
range.e.r = Math.max(range.e.r, _range.e.r);
if(_R == -1) { _R = _range.e.r + 1; range.e.r = _R + js.length - 1 + offset; }
}
var hdr/*:Array<string>*/ = o.header || [], C = 0;
js.forEach(function (JS, R/*:number*/) {
keys(JS).forEach(function(k) {
if((C=hdr.indexOf(k)) == -1) hdr[C=hdr.length] = k;
var v = JS[k];
var t = 'z';
var z = "";
var ref = encode_cell({c:_C + C,r:_R + R + offset});
cell = utils.sheet_get_cell(ws, ref);
if(v && typeof v === 'object' && !(v instanceof Date)){
ws[ref] = v;
} else {
if(typeof v == 'number') t = 'n';
else if(typeof v == 'boolean') t = 'b';
else if(typeof v == 'string') t = 's';
else if(v instanceof Date) {
t = 'd';
if(!o.cellDates) { t = 'n'; v = datenum(v); }
z = (o.dateNF || SSF._table[14]);
}
if(!cell) ws[ref] = cell = ({t:t, v:v}/*:any*/);
else {
cell.t = t; cell.v = v;
delete cell.w; delete cell.R;
if(z) cell.z = z;
}
if(z) cell.z = z;
}
});
});
range.e.c = Math.max(range.e.c, _C + hdr.length - 1);
var __R = encode_row(_R);
if(offset) for(C = 0; C < hdr.length; ++C) ws[encode_col(C + _C) + __R] = {t:'s', v:hdr[C]};
ws['!ref'] = encode_range(range);
return ws;
}
function json_to_sheet(js/*:Array<any>*/, opts)/*:Worksheet*/ { return sheet_add_json(null, js, opts); }
var utils/*:any*/ = {
encode_col: encode_col,
encode_row: encode_row,
encode_cell: encode_cell,
encode_range: encode_range,
decode_col: decode_col,
decode_row: decode_row,
split_cell: split_cell,
decode_cell: decode_cell,
decode_range: decode_range,
format_cell: format_cell,
get_formulae: sheet_to_formulae,
make_csv: sheet_to_csv,
make_json: sheet_to_json,
make_formulae: sheet_to_formulae,
sheet_add_aoa: sheet_add_aoa,
sheet_add_json: sheet_add_json,
aoa_to_sheet: aoa_to_sheet,
json_to_sheet: json_to_sheet,
table_to_sheet: parse_dom_table,
table_to_book: table_to_book,
sheet_to_csv: sheet_to_csv,
sheet_to_txt: sheet_to_txt,
sheet_to_json: sheet_to_json,
sheet_to_html: HTML_.from_sheet,
sheet_to_formulae: sheet_to_formulae,
sheet_to_row_object_array: sheet_to_json
};