forked from sheetjs/sheetjs
170 lines
6.9 KiB
JavaScript
170 lines
6.9 KiB
JavaScript
function decode_row(rowstr/*:string*/)/*:number*/ { return parseInt(unfix_row(rowstr),10) - 1; }
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function encode_row(row/*:number*/)/*:string*/ { return "" + (row + 1); }
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function fix_row(cstr/*:string*/)/*:string*/ { return cstr.replace(/([A-Z]|^)(\d+)$/,"$1$$$2"); }
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function unfix_row(cstr/*:string*/)/*:string*/ { return cstr.replace(/\$(\d+)$/,"$1"); }
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function decode_col(colstr/*:string*/)/*:number*/ { var c = unfix_col(colstr), d = 0, i = 0; for(; i !== c.length; ++i) d = 26*d + c.charCodeAt(i) - 64; return d - 1; }
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function encode_col(col/*:number*/)/*:string*/ { if(col < 0) throw new Error("invalid column " + col); var s=""; for(++col; col; col=Math.floor((col-1)/26)) s = String.fromCharCode(((col-1)%26) + 65) + s; return s; }
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function fix_col(cstr/*:string*/)/*:string*/ { return cstr.replace(/^([A-Z])/,"$$$1"); }
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function unfix_col(cstr/*:string*/)/*:string*/ { return cstr.replace(/^\$([A-Z])/,"$1"); }
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function split_cell(cstr/*:string*/)/*:Array<string>*/ { return cstr.replace(/(\$?[A-Z]*)(\$?\d*)/,"$1,$2").split(","); }
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//function decode_cell(cstr/*:string*/)/*:CellAddress*/ { var splt = split_cell(cstr); return { c:decode_col(splt[0]), r:decode_row(splt[1]) }; }
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function decode_cell(cstr/*:string*/)/*:CellAddress*/ {
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var R = 0, C = 0;
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for(var i = 0; i < cstr.length; ++i) {
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var cc = cstr.charCodeAt(i);
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if(cc >= 48 && cc <= 57) R = 10 * R + (cc - 48);
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else if(cc >= 65 && cc <= 90) C = 26 * C + (cc - 64);
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}
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return { c: C - 1, r:R - 1 };
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}
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//function encode_cell(cell/*:CellAddress*/)/*:string*/ { return encode_col(cell.c) + encode_row(cell.r); }
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function encode_cell(cell/*:CellAddress*/)/*:string*/ {
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var col = cell.c + 1;
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var s="";
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for(; col; col=((col-1)/26)|0) s = String.fromCharCode(((col-1)%26) + 65) + s;
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return s + (cell.r + 1);
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}
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function decode_range(range/*:string*/)/*:Range*/ {
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var idx = range.indexOf(":");
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if(idx == -1) return { s: decode_cell(range), e: decode_cell(range) };
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return { s: decode_cell(range.slice(0, idx)), e: decode_cell(range.slice(idx + 1)) };
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}
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/*# if only one arg, it is assumed to be a Range. If 2 args, both are cell addresses */
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function encode_range(cs/*:CellAddrSpec|Range*/,ce/*:?CellAddrSpec*/)/*:string*/ {
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if(typeof ce === 'undefined' || typeof ce === 'number') {
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/*:: if(!(cs instanceof Range)) throw "unreachable"; */
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return encode_range(cs.s, cs.e);
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}
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/*:: if((cs instanceof Range)) throw "unreachable"; */
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if(typeof cs !== 'string') cs = encode_cell((cs/*:any*/));
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if(typeof ce !== 'string') ce = encode_cell((ce/*:any*/));
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/*:: if(typeof cs !== 'string') throw "unreachable"; */
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/*:: if(typeof ce !== 'string') throw "unreachable"; */
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return cs == ce ? cs : cs + ":" + ce;
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}
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function safe_decode_range(range/*:string*/)/*:Range*/ {
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var o = {s:{c:0,r:0},e:{c:0,r:0}};
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var idx = 0, i = 0, cc = 0;
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var len = range.length;
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for(idx = 0; i < len; ++i) {
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if((cc=range.charCodeAt(i)-64) < 1 || cc > 26) break;
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idx = 26*idx + cc;
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}
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o.s.c = --idx;
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for(idx = 0; i < len; ++i) {
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if((cc=range.charCodeAt(i)-48) < 0 || cc > 9) break;
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idx = 10*idx + cc;
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}
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o.s.r = --idx;
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if(i === len || cc != 10) { o.e.c=o.s.c; o.e.r=o.s.r; return o; }
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++i;
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for(idx = 0; i != len; ++i) {
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if((cc=range.charCodeAt(i)-64) < 1 || cc > 26) break;
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idx = 26*idx + cc;
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}
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o.e.c = --idx;
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for(idx = 0; i != len; ++i) {
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if((cc=range.charCodeAt(i)-48) < 0 || cc > 9) break;
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idx = 10*idx + cc;
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}
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o.e.r = --idx;
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return o;
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}
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function safe_format_cell(cell/*:Cell*/, v/*:any*/) {
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var q = (cell.t == 'd' && v instanceof Date);
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if(cell.z != null) try { return (cell.w = SSF_format(cell.z, q ? datenum(v) : v)); } catch(e) { }
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try { return (cell.w = SSF_format((cell.XF||{}).numFmtId||(q ? 14 : 0), q ? datenum(v) : v)); } catch(e) { return ''+v; }
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}
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function format_cell(cell/*:Cell*/, v/*:any*/, o/*:any*/) {
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if(cell == null || cell.t == null || cell.t == 'z') return "";
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if(cell.w !== undefined) return cell.w;
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if(cell.t == 'd' && !cell.z && o && o.dateNF) cell.z = o.dateNF;
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if(cell.t == "e") return BErr[cell.v] || cell.v;
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if(v == undefined) return safe_format_cell(cell, cell.v);
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return safe_format_cell(cell, v);
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}
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function sheet_to_workbook(sheet/*:Worksheet*/, opts)/*:Workbook*/ {
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var n = opts && opts.sheet ? opts.sheet : "Sheet1";
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var sheets = {}; sheets[n] = sheet;
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return { SheetNames: [n], Sheets: sheets };
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}
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function sheet_add_aoa(_ws/*:?Worksheet*/, data/*:AOA*/, opts/*:?any*/)/*:Worksheet*/ {
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var o = opts || {};
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var dense = _ws ? Array.isArray(_ws) : o.dense;
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if(DENSE != null && dense == null) dense = DENSE;
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var ws/*:Worksheet*/ = _ws || (dense ? ([]/*:any*/) : ({}/*:any*/));
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var _R = 0, _C = 0;
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if(ws && o.origin != null) {
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if(typeof o.origin == 'number') _R = o.origin;
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else {
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var _origin/*:CellAddress*/ = typeof o.origin == "string" ? decode_cell(o.origin) : o.origin;
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_R = _origin.r; _C = _origin.c;
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}
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if(!ws["!ref"]) ws["!ref"] = "A1:A1";
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}
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var range/*:Range*/ = ({s: {c:10000000, r:10000000}, e: {c:0, r:0}}/*:any*/);
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if(ws['!ref']) {
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var _range = safe_decode_range(ws['!ref']);
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range.s.c = _range.s.c;
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range.s.r = _range.s.r;
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range.e.c = Math.max(range.e.c, _range.e.c);
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range.e.r = Math.max(range.e.r, _range.e.r);
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if(_R == -1) range.e.r = _R = _range.e.r + 1;
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}
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for(var R = 0; R != data.length; ++R) {
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if(!data[R]) continue;
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if(!Array.isArray(data[R])) throw new Error("aoa_to_sheet expects an array of arrays");
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for(var C = 0; C != data[R].length; ++C) {
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if(typeof data[R][C] === 'undefined') continue;
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var cell/*:Cell*/ = ({v: data[R][C] }/*:any*/);
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var __R = _R + R, __C = _C + C;
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if(range.s.r > __R) range.s.r = __R;
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if(range.s.c > __C) range.s.c = __C;
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if(range.e.r < __R) range.e.r = __R;
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if(range.e.c < __C) range.e.c = __C;
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if(data[R][C] && typeof data[R][C] === 'object' && !Array.isArray(data[R][C]) && !(data[R][C] instanceof Date)) cell = data[R][C];
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else {
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if(Array.isArray(cell.v)) { cell.f = data[R][C][1]; cell.v = cell.v[0]; }
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if(cell.v === null) {
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if(cell.f) cell.t = 'n';
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else if(o.nullError) { cell.t = 'e'; cell.v = 0; }
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else if(!o.sheetStubs) continue;
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else cell.t = 'z';
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}
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else if(typeof cell.v === 'number') cell.t = 'n';
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else if(typeof cell.v === 'boolean') cell.t = 'b';
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else if(cell.v instanceof Date) {
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cell.z = o.dateNF || table_fmt[14];
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if(o.cellDates) { cell.t = 'd'; cell.w = SSF_format(cell.z, datenum(cell.v)); }
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else { cell.t = 'n'; cell.v = datenum(cell.v); cell.w = SSF_format(cell.z, cell.v); }
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}
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else cell.t = 's';
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}
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if(dense) {
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if(!ws[__R]) ws[__R] = [];
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if(ws[__R][__C] && ws[__R][__C].z) cell.z = ws[__R][__C].z;
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ws[__R][__C] = cell;
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} else {
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var cell_ref = encode_cell(({c:__C,r:__R}/*:any*/));
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if(ws[cell_ref] && ws[cell_ref].z) cell.z = ws[cell_ref].z;
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ws[cell_ref] = cell;
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}
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}
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}
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if(range.s.c < 10000000) ws['!ref'] = encode_range(range);
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return ws;
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}
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function aoa_to_sheet(data/*:AOA*/, opts/*:?any*/)/*:Worksheet*/ { return sheet_add_aoa(null, data, opts); }
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