forked from sheetjs/sheetjs
SheetJS
7cb978b846
- XLML write (fixes #173 h/t @SheetJSDev) - removed old iteration style from README (see #592) - CellXF & StyleXF fields (fixes #414 h/t @ronnywang)
43 lines
1.8 KiB
JavaScript
43 lines
1.8 KiB
JavaScript
/* TODO: it will be useful to parse the function str */
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var rc_to_a1 = (function(){
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var rcregex = /(^|[^A-Za-z])R(\[?)(-?\d+|)\]?C(\[?)(-?\d+|)\]?/g;
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var rcbase;
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function rcfunc($$,$1,$2,$3,$4,$5) {
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var R = $3.length>0?parseInt($3,10)|0:0, C = $5.length>0?parseInt($5,10)|0:0;
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if(C<0 && $4.length === 0) C=0;
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var cRel = false, rRel = false;
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if($4.length > 0 || $5.length == 0) cRel = true; if(cRel) C += rcbase.c; else --C;
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if($2.length > 0 || $3.length == 0) rRel = true; if(rRel) R += rcbase.r; else --R;
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return $1 + (cRel ? "" : "$") + encode_col(C) + (rRel ? "" : "$") + encode_row(R);
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}
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return function rc_to_a1(fstr, base) {
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rcbase = base;
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return fstr.replace(rcregex, rcfunc);
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};
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})();
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var crefregex = /(^|[^._A-Z0-9])([$]?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])([$]?)([1-9]\d{0,5}|10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6])(?![_.\(A-Za-z0-9])/g;
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var a1_to_rc =(function(){
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return function a1_to_rc(fstr, base) {
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return fstr.replace(crefregex, function($0, $1, $2, $3, $4, $5, off, str) {
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/* TODO: handle fixcol / fixrow */
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var c = decode_col($3) - base.c;
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var r = decode_row($5) - base.r;
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return $1 + "R" + (r == 0 ? "" : "[" + r + "]") + "C" + (c == 0 ? "" : "[" + c + "]");
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});
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};
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})();
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/* no defined name can collide with a valid cell address A1:XFD1048576 ... except LOG10! */
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function shift_formula_str(f/*:string*/, delta/*:Cell*/)/*:string*/ {
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return f.replace(crefregex, function($0, $1, $2, $3, $4, $5, off, str) {
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return $1+($2=="$" ? $2+$3 : encode_col(decode_col($3)+delta.c))+($4=="$" ? $4+$5 : encode_row(decode_row($5) + delta.r));
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});
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}
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function shift_formula_xlsx(f/*:string*/, range/*:string*/, cell/*:string*/)/*:string*/ {
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var r = decode_range(range), s = r.s, c = decode_cell(cell);
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var delta = {r:c.r - s.r, c:c.c - s.c};
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return shift_formula_str(f, delta);
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}
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