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63_fbin.js
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63_fbin.js
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/* [MS-XLS] 2.5.198.1 TODO */
function parse_ArrayParsedFormula(blob, length, opts/*::, ref*/) {
var target = blob.l + length, len = opts.biff == 2 ? 1 : 2;
var rgcb, cce = blob.read_shift(len); // length of rgce
if(cce == 0xFFFF) return [[],parsenoop(blob, length-2)];
var rgce = parse_Rgce(blob, cce, opts);
if(length !== cce + len) rgcb = parse_RgbExtra(blob, length - cce - len, rgce, opts);
blob.l = target;
return [rgce, rgcb];
}
/* [MS-XLS] 2.5.198.3 TODO */
function parse_XLSCellParsedFormula(blob, length, opts) {
var target = blob.l + length, len = opts.biff == 2 ? 1 : 2;
var rgcb, cce = blob.read_shift(len); // length of rgce
if(cce == 0xFFFF) return [[],parsenoop(blob, length-2)];
var rgce = parse_Rgce(blob, cce, opts);
if(length !== cce + len) rgcb = parse_RgbExtra(blob, length - cce - len, rgce, opts);
blob.l = target;
return [rgce, rgcb];
}
/* [MS-XLS] 2.5.198.21 */
function parse_NameParsedFormula(blob, length, opts, cce) {
var target = blob.l + length;
var rgce = parse_Rgce(blob, cce, opts);
var rgcb;
if(target !== blob.l) rgcb = parse_RgbExtra(blob, target - blob.l, rgce, opts);
return [rgce, rgcb];
}
/* [MS-XLS] 2.5.198.118 TODO */
function parse_SharedParsedFormula(blob, length, opts) {
var target = blob.l + length;
var rgcb, cce = blob.read_shift(2); // length of rgce
var rgce = parse_Rgce(blob, cce, opts);
if(cce == 0xFFFF) return [[],parsenoop(blob, length-2)];
if(length !== cce + 2) rgcb = parse_RgbExtra(blob, target - cce - 2, rgce, opts);
return [rgce, rgcb];
}
/* [MS-XLS] 2.5.133 TODO: how to emit empty strings? */
function parse_FormulaValue(blob/*::, length*/) {
var b;
if(__readUInt16LE(blob,blob.l + 6) !== 0xFFFF) return [parse_Xnum(blob),'n'];
switch(blob[blob.l]) {
case 0x00: blob.l += 8; return ["String", 's'];
case 0x01: b = blob[blob.l+2] === 0x1; blob.l += 8; return [b,'b'];
case 0x02: b = blob[blob.l+2]; blob.l += 8; return [b,'e'];
case 0x03: blob.l += 8; return ["",'s'];
}
return [];
}
function write_FormulaValue(value) {
if(value == null) {
// Blank String Value
var o = new_buf(8);
o.write_shift(1, 0x03);
o.write_shift(1, 0);
o.write_shift(2, 0);
o.write_shift(2, 0);
o.write_shift(2, 0xFFFF);
return o;
} else if(typeof value == "number") return write_Xnum(value);
return write_Xnum(0);
}
/* [MS-XLS] 2.4.127 TODO */
function parse_Formula(blob, length, opts) {
var end = blob.l + length;
var cell = parse_XLSCell(blob, 6);
if(opts.biff == 2) ++blob.l;
var val = parse_FormulaValue(blob,8);
var flags = blob.read_shift(1);
if(opts.biff != 2) {
blob.read_shift(1);
if(opts.biff >= 5) {
/*var chn = */blob.read_shift(4);
}
}
var cbf = parse_XLSCellParsedFormula(blob, end - blob.l, opts);
return {cell:cell, val:val[0], formula:cbf, shared: (flags >> 3) & 1, tt:val[1]};
}
function write_Formula(cell/*:Cell*/, R/*:number*/, C/*:number*/, opts, os/*:number*/) {
// Cell
var o1 = write_XLSCell(R, C, os);
// FormulaValue
var o2 = write_FormulaValue(cell.v);
// flags + cache
var o3 = new_buf(6);
var flags = 0x01 | 0x20;
o3.write_shift(2, flags);
o3.write_shift(4, 0);
// CellParsedFormula
var bf = new_buf(cell.bf.length);
for(var i = 0; i < cell.bf.length; ++i) bf[i] = cell.bf[i];
var out = bconcat([o1, o2, o3, bf]);
return out;
}
/* XLSB Parsed Formula records have the same shape */
function parse_XLSBParsedFormula(data, length, opts) {
var cce = data.read_shift(4);
var rgce = parse_Rgce(data, cce, opts);
var cb = data.read_shift(4);
var rgcb = cb > 0 ? parse_RgbExtra(data, cb, rgce, opts) : null;
return [rgce, rgcb];
}
/* [MS-XLSB] 2.5.97.1 ArrayParsedFormula */
var parse_XLSBArrayParsedFormula = parse_XLSBParsedFormula;
/* [MS-XLSB] 2.5.97.4 CellParsedFormula */
var parse_XLSBCellParsedFormula = parse_XLSBParsedFormula;
/* [MS-XLSB] 2.5.97.8 DVParsedFormula */
//var parse_XLSBDVParsedFormula = parse_XLSBParsedFormula;
/* [MS-XLSB] 2.5.97.9 FRTParsedFormula */
//var parse_XLSBFRTParsedFormula = parse_XLSBParsedFormula2;
/* [MS-XLSB] 2.5.97.12 NameParsedFormula */
var parse_XLSBNameParsedFormula = parse_XLSBParsedFormula;
/* [MS-XLSB] 2.5.97.98 SharedParsedFormula */
var parse_XLSBSharedParsedFormula = parse_XLSBParsedFormula;