forked from sheetjs/sheetjs
SheetJS
5a36cb423d
- `read` handle `Int8Array` (to support Java engines) - `sheet_to_formulae` option to suppress values - handle unexpected `<charset/>` (fixes #3143 h/t @dearzubi)
49 lines
2.1 KiB
JavaScript
49 lines
2.1 KiB
JavaScript
function choose_fmt(f/*:string*/, v/*:any*/) {
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var fmt = split_fmt(f);
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var l = fmt.length, lat = fmt[l-1].indexOf("@");
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if(l<4 && lat>-1) --l;
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if(fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
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if(typeof v !== "number") return [4, fmt.length === 4 || lat>-1?fmt[fmt.length-1]:"@"];
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/* NOTE: most spreadsheet software do not support NaN or infinities */
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if(typeof v === "number" && !isFinite(v)) v = 0;
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switch(fmt.length) {
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case 1: fmt = lat>-1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
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case 2: fmt = lat>-1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
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case 3: fmt = lat>-1 ? [fmt[0], fmt[1], fmt[0], fmt[2]] : [fmt[0], fmt[1], fmt[2], "@"]; break;
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case 4: break;
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}
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var ff = v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
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if(fmt[0].indexOf("[") === -1 && fmt[1].indexOf("[") === -1) return [l, ff];
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if(fmt[0].match(cfregex) != null || fmt[1].match(cfregex) != null) {
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var m1 = fmt[0].match(cfregex2);
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var m2 = fmt[1].match(cfregex2);
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return chkcond(v, m1) ? [l, fmt[0]] : chkcond(v, m2) ? [l, fmt[1]] : [l, fmt[m1 != null && m2 != null ? 2 : 1]];
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}
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return [l, ff];
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}
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function format(fmt/*:string|number*/,v/*:any*/,o/*:?any*/) {
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if(o == null) o = {};
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var sfmt = "";
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switch(typeof fmt) {
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case "string":
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if(fmt == "m/d/yy" && o.dateNF) sfmt = o.dateNF;
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else sfmt = fmt;
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break;
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case "number":
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if(fmt == 14 && o.dateNF) sfmt = o.dateNF;
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else sfmt = (o.table != null ? (o.table/*:any*/) : table_fmt)[fmt];
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if(sfmt == null) sfmt = (o.table && o.table[default_map[fmt]]) || table_fmt[default_map[fmt]];
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if(sfmt == null) sfmt = default_str[fmt] || "General";
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break;
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}
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if(isgeneral(sfmt,0)) return general_fmt(v, o);
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if(v instanceof Date) v = datenum_local(v, o.date1904);
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var f = choose_fmt(sfmt, v);
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if(isgeneral(f[1])) return general_fmt(v, o);
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if(v === true) v = "TRUE"; else if(v === false) v = "FALSE";
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else if(v === "" || v == null) return "";
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else if(isNaN(v) && f[1].indexOf("0") > -1) return "#NUM!";
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else if(!isFinite(v) && f[1].indexOf("0") > -1) return "#DIV/0!";
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return eval_fmt(f[1], v, o, f[0]);
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}
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