forked from sheetjs/sheetjs
SheetJS
b645f6ef98
- updated SSF to 0.6.5
- XLSB 'dbcs' uses codepage
- README bugfix (h/t @noodles)
- new tests: rawjson and json baselines generated by hand
- single cell ranges are encoded as cells ("A1" instead of "A1:A1") (h/t @clxl)
- source code alignment with js-xls
122 lines
4.1 KiB
JavaScript
122 lines
4.1 KiB
JavaScript
function decode_row(rowstr) { return Number(unfix_row(rowstr)) - 1; }
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function encode_row(row) { return "" + (row + 1); }
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function fix_row(cstr) { return cstr.replace(/([A-Z]|^)([0-9]+)$/,"$1$$$2"); }
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function unfix_row(cstr) { return cstr.replace(/\$([0-9]+)$/,"$1"); }
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function decode_col(colstr) { var c = unfix_col(colstr), d = 0, i = 0; for(; i !== c.length; ++i) d = 26*d + c.charCodeAt(i) - 64; return d - 1; }
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function encode_col(col) { var s=""; for(++col; col; col=Math.floor((col-1)/26)) s = _chr(((col-1)%26) + 65) + s; return s; }
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function fix_col(cstr) { return cstr.replace(/^([A-Z])/,"$$$1"); }
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function unfix_col(cstr) { return cstr.replace(/^\$([A-Z])/,"$1"); }
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function split_cell(cstr) { return cstr.replace(/(\$?[A-Z]*)(\$?[0-9]*)/,"$1,$2").split(","); }
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function decode_cell(cstr) { var splt = split_cell(cstr); return { c:decode_col(splt[0]), r:decode_row(splt[1]) }; }
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function encode_cell(cell) { return encode_col(cell.c) + encode_row(cell.r); }
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function fix_cell(cstr) { return fix_col(fix_row(cstr)); }
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function unfix_cell(cstr) { return unfix_col(unfix_row(cstr)); }
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function decode_range(range) { var x =range.split(":").map(decode_cell); return {s:x[0],e:x[x.length-1]}; }
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function encode_range(cs,ce) {
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if(typeof ce === 'undefined' || typeof ce === 'number') return encode_range(cs.s, cs.e);
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if(typeof cs !== 'string') cs = encode_cell(cs); if(typeof ce !== 'string') ce = encode_cell(ce);
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return cs == ce ? cs : cs + ":" + ce;
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}
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function format_cell(cell, v) {
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if(!cell || !cell.t) return "";
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if(typeof cell.w !== 'undefined') return cell.w;
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if(typeof v === 'undefined') v = cell.v;
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if(typeof cell.z !== 'undefined') try { return (cell.w = SSF.format(cell.z, v)); } catch(e) { }
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if(!cell.XF) return v;
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try { return (cell.w = SSF.format(cell.XF.ifmt||0, v)); } catch(e) { return v; }
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}
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function sheet_to_row_object_array(sheet, opts){
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var val, row, r, hdr = {}, isempty, R, C, v;
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var out = [];
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opts = opts || {};
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if(!sheet || !sheet["!ref"]) return out;
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r = decode_range(sheet["!ref"]);
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for(R=r.s.r, C = r.s.c; C <= r.e.c; ++C) {
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val = sheet[encode_cell({c:C,r:R})];
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if(!val) continue;
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hdr[C] = format_cell(val);
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}
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for (R = r.s.r + 1; R <= r.e.r; ++R) {
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isempty = true;
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/* row index available as __rowNum__ */
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row = Object.create({ __rowNum__ : R });
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for (C = r.s.c; C <= r.e.c; ++C) {
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val = sheet[encode_cell({c: C,r: R})];
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if(!val || !val.t) continue;
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v = (val || {}).v;
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switch(val.t){
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case 'e': continue;
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case 's': case 'str': break;
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case 'b': case 'n': break;
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default: throw 'unrecognized type ' + val.t;
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}
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if(typeof v !== 'undefined') {
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row[hdr[C]] = opts.raw ? v||val.v : format_cell(val,v);
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isempty = false;
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}
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}
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if(!isempty) out.push(row);
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}
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return out;
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}
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function sheet_to_csv(sheet, opts) {
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var out = [], txt = "";
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opts = opts || {};
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if(!sheet || !sheet["!ref"]) return "";
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var r = decode_range(sheet["!ref"]);
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var fs = opts.FS||",", rs = opts.RS||"\n";
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for(var R = r.s.r; R <= r.e.r; ++R) {
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var row = [];
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for(var C = r.s.c; C <= r.e.c; ++C) {
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var val = sheet[encode_cell({c:C,r:R})];
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if(!val) { row.push(""); continue; }
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txt = String(format_cell(val));
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if(txt.indexOf(fs)!==-1 || txt.indexOf(rs)!==-1 || txt.indexOf('"')!==-1)
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txt = "\"" + txt.replace(/"/g, '""') + "\"";
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row.push(txt);
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}
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out.push(row.join(fs));
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}
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return out.join(rs) + (out.length ? rs : "");
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}
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var make_csv = sheet_to_csv;
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function get_formulae(ws) {
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var cmds = [];
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for(var y in ws) if(y[0] !=='!' && ws.hasOwnProperty(y)) {
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var x = ws[y];
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var val = "";
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if(x.f) val = x.f;
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else if(typeof x.w !== 'undefined') val = "'" + x.w;
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else if(typeof x.v === 'undefined') continue;
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else val = x.v;
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cmds.push(y + "=" + val);
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}
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return cmds;
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}
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var utils = {
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encode_col: encode_col,
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encode_row: encode_row,
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encode_cell: encode_cell,
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encode_range: encode_range,
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decode_col: decode_col,
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decode_row: decode_row,
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split_cell: split_cell,
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decode_cell: decode_cell,
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decode_range: decode_range,
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sheet_to_csv: sheet_to_csv,
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make_csv: sheet_to_csv,
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make_json: sheet_to_row_object_array,
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get_formulae: get_formulae,
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format_cell: format_cell,
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sheet_to_row_object_array: sheet_to_row_object_array
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};
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