forked from sheetjs/sheetjs
c580ffcbc2
See: #2560 - Improved rounding to account for minutes, hours, etc. - Added tests for rounding dates/times
264 lines
9.8 KiB
JavaScript
264 lines
9.8 KiB
JavaScript
function eval_fmt(fmt/*:string*/, v/*:any*/, opts/*:any*/, flen/*:number*/) {
|
|
var out = [], o = "", i = 0, c = "", lst='t', dt, j, cc;
|
|
var hr='H';
|
|
/* Tokenize */
|
|
while(i < fmt.length) {
|
|
switch((c = fmt.charAt(i))) {
|
|
case 'G': /* General */
|
|
if(!isgeneral(fmt, i)) throw new Error('unrecognized character ' + c + ' in ' +fmt);
|
|
out[out.length] = {t:'G', v:'General'}; i+=7; break;
|
|
case '"': /* Literal text */
|
|
for(o="";(cc=fmt.charCodeAt(++i)) !== 34 && i < fmt.length;) o += String.fromCharCode(cc);
|
|
out[out.length] = {t:'t', v:o}; ++i; break;
|
|
case '\\': var w = fmt.charAt(++i), t = (w === "(" || w === ")") ? w : 't';
|
|
out[out.length] = {t:t, v:w}; ++i; break;
|
|
case '_': out[out.length] = {t:'t', v:" "}; i+=2; break;
|
|
case '@': /* Text Placeholder */
|
|
out[out.length] = {t:'T', v:v}; ++i; break;
|
|
case 'B': case 'b':
|
|
if(fmt.charAt(i+1) === "1" || fmt.charAt(i+1) === "2") {
|
|
if(dt==null) { dt=parse_date_code(v, opts, fmt.charAt(i+1) === "2"); if(dt==null) return ""; }
|
|
out[out.length] = {t:'X', v:fmt.substr(i,2)}; lst = c; i+=2; break;
|
|
}
|
|
/* falls through */
|
|
case 'M': case 'D': case 'Y': case 'H': case 'S': case 'E':
|
|
c = c.toLowerCase();
|
|
/* falls through */
|
|
case 'm': case 'd': case 'y': case 'h': case 's': case 'e': case 'g':
|
|
if(v < 0) return "";
|
|
if(dt==null) { dt=parse_date_code(v, opts); if(dt==null) return ""; }
|
|
o = c; while(++i < fmt.length && fmt.charAt(i).toLowerCase() === c) o+=c;
|
|
if(c === 'm' && lst.toLowerCase() === 'h') c = 'M';
|
|
if(c === 'h') c = hr;
|
|
out[out.length] = {t:c, v:o}; lst = c; break;
|
|
case 'A': case 'a': case '上':
|
|
var q={t:c, v:c};
|
|
if(dt==null) dt=parse_date_code(v, opts);
|
|
if(fmt.substr(i, 3).toUpperCase() === "A/P") { if(dt!=null) q.v = dt.H >= 12 ? fmt.charAt(i+2) : c; q.t = 'T'; hr='h';i+=3;}
|
|
else if(fmt.substr(i,5).toUpperCase() === "AM/PM") { if(dt!=null) q.v = dt.H >= 12 ? "PM" : "AM"; q.t = 'T'; i+=5; hr='h'; }
|
|
else if(fmt.substr(i,5).toUpperCase() === "上午/下午") { if(dt!=null) q.v = dt.H >= 12 ? "下午" : "上午"; q.t = 'T'; i+=5; hr='h'; }
|
|
else { q.t = "t"; ++i; }
|
|
if(dt==null && q.t === 'T') return "";
|
|
out[out.length] = q; lst = c; break;
|
|
case '[':
|
|
o = c;
|
|
while(fmt.charAt(i++) !== ']' && i < fmt.length) o += fmt.charAt(i);
|
|
if(o.slice(-1) !== ']') throw 'unterminated "[" block: |' + o + '|';
|
|
if(o.match(abstime)) {
|
|
if(dt==null) { dt=parse_date_code(v, opts); if(dt==null) return ""; }
|
|
out[out.length] = {t:'Z', v:o.toLowerCase()};
|
|
lst = o.charAt(1);
|
|
} else if(o.indexOf("$") > -1) {
|
|
o = (o.match(/\$([^-\[\]]*)/)||[])[1]||"$";
|
|
if(!fmt_is_date(fmt)) out[out.length] = {t:'t',v:o};
|
|
}
|
|
break;
|
|
/* Numbers */
|
|
case '.':
|
|
if(dt != null) {
|
|
o = c; while(++i < fmt.length && (c=fmt.charAt(i)) === "0") o += c;
|
|
out[out.length] = {t:'s', v:o}; break;
|
|
}
|
|
/* falls through */
|
|
case '0': case '#':
|
|
o = c; while(++i < fmt.length && "0#?.,E+-%".indexOf(c=fmt.charAt(i)) > -1) o += c;
|
|
out[out.length] = {t:'n', v:o}; break;
|
|
case '?':
|
|
o = c; while(fmt.charAt(++i) === c) o+=c;
|
|
out[out.length] = {t:c, v:o}; lst = c; break;
|
|
case '*': ++i; if(fmt.charAt(i) == ' ' || fmt.charAt(i) == '*') ++i; break; // **
|
|
case '(': case ')': out[out.length] = {t:(flen===1?'t':c), v:c}; ++i; break;
|
|
case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
|
|
o = c; while(i < fmt.length && "0123456789".indexOf(fmt.charAt(++i)) > -1) o+=fmt.charAt(i);
|
|
out[out.length] = {t:'D', v:o}; break;
|
|
case ' ': out[out.length] = {t:c, v:c}; ++i; break;
|
|
case '$': out[out.length] = {t:'t', v:'$'}; ++i; break;
|
|
default:
|
|
if(",$-+/():!^&'~{}<>=€acfijklopqrtuvwxzP".indexOf(c) === -1) throw new Error('unrecognized character ' + c + ' in ' + fmt);
|
|
out[out.length] = {t:'t', v:c}; ++i; break;
|
|
}
|
|
}
|
|
|
|
/* Scan for date/time parts */
|
|
var bt = 0, ss0 = 0, ssm;
|
|
for(i=out.length-1, lst='t'; i >= 0; --i) {
|
|
switch(out[i].t) {
|
|
case 'h': case 'H': out[i].t = hr; lst='h'; if(bt < 1) bt = 1; break;
|
|
case 's':
|
|
if((ssm=out[i].v.match(/\.0+$/))) ss0=Math.max(ss0,ssm[0].length-1);
|
|
if(bt < 3) bt = 3;
|
|
/* falls through */
|
|
case 'd': case 'y': case 'M': case 'e': lst=out[i].t; break;
|
|
case 'm': if(lst === 's') { out[i].t = 'M'; if(bt < 2) bt = 2; } break;
|
|
case 'X': /*if(out[i].v === "B2");*/
|
|
break;
|
|
case 'Z':
|
|
if(bt < 1 && out[i].v.match(/[Hh]/)) bt = 1;
|
|
if(bt < 2 && out[i].v.match(/[Mm]/)) bt = 2;
|
|
if(bt < 3 && out[i].v.match(/[Ss]/)) bt = 3;
|
|
}
|
|
}
|
|
/* time rounding depends on presence of minute / second / usec fields */
|
|
switch(bt) {
|
|
case 0: break;
|
|
case 1:
|
|
/*::if(!dt) break;*/
|
|
if(dt.u >= 0.5) { dt.u = 0; ++dt.S; }
|
|
if(dt.S >= 60) { dt.S = 0; ++dt.M; }
|
|
if(dt.M >= 60) { dt.M = 0; ++dt.H; }
|
|
break;
|
|
case 2:
|
|
/*::if(!dt) break;*/
|
|
if(dt.u >= 0.5) { dt.u = 0; ++dt.S; }
|
|
if(dt.S >= 60) { dt.S = 0; ++dt.M; }
|
|
break;
|
|
}
|
|
|
|
/* replace fields */
|
|
var {nstr,out} = replace_fields(out, dt, ss0, v, opts);
|
|
var vv = "", myv, ostr;
|
|
if(nstr.length > 0) {
|
|
if(nstr.charCodeAt(0) == 40) /* '(' */ {
|
|
myv = (v<0&&nstr.charCodeAt(0) === 45 ? -v : v);
|
|
ostr = write_num('n', nstr, myv);
|
|
} else {
|
|
myv = (v<0 && flen > 1 ? -v : v);
|
|
ostr = write_num('n', nstr, myv);
|
|
if(myv < 0 && out[0] && out[0].t == 't') {
|
|
ostr = ostr.substr(1);
|
|
out[0].v = "-" + out[0].v;
|
|
}
|
|
}
|
|
var jj=ostr.length-1;
|
|
var decpt = out.length;
|
|
for(i=0; i < out.length; ++i) if(out[i] != null && out[i].t != 't' && out[i].v.indexOf(".") > -1) { decpt = i; break; }
|
|
var lasti=out.length;
|
|
if(decpt === out.length && ostr.indexOf("E") === -1) {
|
|
for(i=out.length-1; i>= 0;--i) {
|
|
if(out[i] == null || 'n?'.indexOf(out[i].t) === -1) continue;
|
|
if(jj>=out[i].v.length-1) { jj -= out[i].v.length; out[i].v = ostr.substr(jj+1, out[i].v.length); }
|
|
else if(jj < 0) out[i].v = "";
|
|
else { out[i].v = ostr.substr(0, jj+1); jj = -1; }
|
|
out[i].t = 't';
|
|
lasti = i;
|
|
}
|
|
if(jj>=0 && lasti<out.length) out[lasti].v = ostr.substr(0,jj+1) + out[lasti].v;
|
|
}
|
|
else if(decpt !== out.length && ostr.indexOf("E") === -1) {
|
|
jj = ostr.indexOf(".")-1;
|
|
for(i=decpt; i>= 0; --i) {
|
|
if(out[i] == null || 'n?'.indexOf(out[i].t) === -1) continue;
|
|
j=out[i].v.indexOf(".")>-1&&i===decpt?out[i].v.indexOf(".")-1:out[i].v.length-1;
|
|
vv = out[i].v.substr(j+1);
|
|
for(; j>=0; --j) {
|
|
if(jj>=0 && (out[i].v.charAt(j) === "0" || out[i].v.charAt(j) === "#")) vv = ostr.charAt(jj--) + vv;
|
|
}
|
|
out[i].v = vv;
|
|
out[i].t = 't';
|
|
lasti = i;
|
|
}
|
|
if(jj>=0 && lasti<out.length) out[lasti].v = ostr.substr(0,jj+1) + out[lasti].v;
|
|
jj = ostr.indexOf(".")+1;
|
|
for(i=decpt; i<out.length; ++i) {
|
|
if(out[i] == null || ('n?('.indexOf(out[i].t) === -1 && i !== decpt)) continue;
|
|
j=out[i].v.indexOf(".")>-1&&i===decpt?out[i].v.indexOf(".")+1:0;
|
|
vv = out[i].v.substr(0,j);
|
|
for(; j<out[i].v.length; ++j) {
|
|
if(jj<ostr.length) vv += ostr.charAt(jj++);
|
|
}
|
|
out[i].v = vv;
|
|
out[i].t = 't';
|
|
lasti = i;
|
|
}
|
|
}
|
|
}
|
|
for(i=0; i<out.length; ++i) if(out[i] != null && 'n?'.indexOf(out[i].t)>-1) {
|
|
myv = (flen >1 && v < 0 && i>0 && out[i-1].v === "-" ? -v:v);
|
|
out[i].v = write_num(out[i].t, out[i].v, myv);
|
|
out[i].t = 't';
|
|
}
|
|
var retval = "";
|
|
for(i=0; i !== out.length; ++i) if(out[i] != null) retval += out[i].v;
|
|
return retval;
|
|
}
|
|
function replace_fields(fields, dt, ss0, v, opts) {
|
|
var out = [];
|
|
for (var i = 0; i < fields.length; i++) {out[i] = {t: fields[i].t, v: fields[i].v}}
|
|
var nstr = "", jj;
|
|
for(i=0; i < out.length; ++i) {
|
|
switch(out[i].t) {
|
|
case 't': case 'T': case ' ': case 'D': break;
|
|
case 'X': out[i].v = ""; out[i].t = ";"; break;
|
|
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'e': case 'b': case 'Z':
|
|
/*::if(!dt) throw "unreachable"; */
|
|
try {
|
|
out[i].v = write_date(out[i].t.charCodeAt(0), out[i].v, dt, ss0);
|
|
} catch (e) {
|
|
if (e === ROUNDING_FLAG) {
|
|
round_up_date(dt, opts);
|
|
return replace_fields(fields, dt, ss0, v, opts);
|
|
}
|
|
throw e;
|
|
}
|
|
out[i].t = 't'; break;
|
|
case 'n': case '?':
|
|
jj = i+1;
|
|
while(out[jj] != null && (
|
|
(c=out[jj].t) === "?" || c === "D" ||
|
|
((c === " " || c === "t") && out[jj+1] != null && (out[jj+1].t === '?' || out[jj+1].t === "t" && out[jj+1].v === '/')) ||
|
|
(out[i].t === '(' && (c === ' ' || c === 'n' || c === ')')) ||
|
|
(c === 't' && (out[jj].v === '/' || out[jj].v === ' ' && out[jj+1] != null && out[jj+1].t == '?'))
|
|
)) {
|
|
out[i].v += out[jj].v;
|
|
out[jj] = {v:"", t:";"}; ++jj;
|
|
}
|
|
nstr += out[i].v;
|
|
i = jj-1; break;
|
|
case 'G': out[i].t = 't'; out[i].v = general_fmt(v,opts); break;
|
|
}
|
|
}
|
|
return {nstr: nstr, out: out};
|
|
}
|
|
function round_up_date(out, opts) {
|
|
if (!opts) opts = {};
|
|
var tmp = new Date(out.y, out.m - 1, out.d, out.H, out.M, out.S);
|
|
var oldDate = tmp.getDate();
|
|
tmp.setSeconds(out.S + 1);
|
|
var use1900 = !opts.date1904 && !opts.b2;
|
|
if (tmp.getDate() !== oldDate) {
|
|
if (out.D === 0 && use1900) {
|
|
// 0 corresponds with Jan 0th, 1900
|
|
out.y = 1900;
|
|
out.m = 1;
|
|
out.d = 1;
|
|
out.q = (tmp.getDay() + 6) % 7;
|
|
} else if (out.D === 60 && use1900) {
|
|
// Excel & SSF have an intentional bug where they treat 1900 as a leap year
|
|
// The 60th day (Feb 29) rounds up to Mar 1
|
|
out.y = 1900;
|
|
out.m = 3;
|
|
out.d = 1;
|
|
out.q = 4;
|
|
} else if (out.D == 59 && use1900) {
|
|
// Excel & SSF have an intentional bug where they treat 1900 as a leap year
|
|
// The 59th day (Feb 28) rounds up to Feb 29
|
|
out.y = 1900;
|
|
out.m = 2;
|
|
out.d = 29;
|
|
out.q = 3;
|
|
} else {
|
|
out.y = tmp.getFullYear();
|
|
out.m = tmp.getMonth() + 1;
|
|
out.d = tmp.getDate();
|
|
out.q = out.D < 60 && use1900 ? (tmp.getDay() + 6) % 7 : tmp.getDay();
|
|
}
|
|
out.D += 1;
|
|
}
|
|
out.H = tmp.getHours();
|
|
out.M = tmp.getMinutes();
|
|
out.S = tmp.getSeconds();
|
|
out.u = 0;
|
|
out.T += 1;
|
|
}
|
|
SSF._eval = eval_fmt;
|