function write_UInt32LE(x/*:number*/, o) { if (!o) o = new_buf(4); o.write_shift(4, x); return o; } /* [MS-XLSB] 2.5.168 */ function parse_XLWideString(data/*::, length*/)/*:string*/ { var cchCharacters = data.read_shift(4); return cchCharacters === 0 ? "" : data.read_shift(cchCharacters, 'dbcs'); } function write_XLWideString(data/*:string*/, o) { var _null = false; if (o == null) { _null = true; o = new_buf(4 + 2 * data.length); } o.write_shift(4, data.length); if (data.length > 0) o.write_shift(0, data, 'dbcs'); return _null ? o.slice(0, o.l) : o; } /* [MS-XLSB] 2.5.91 */ //function parse_LPWideString(data/*::, length*/)/*:string*/ { // var cchCharacters = data.read_shift(2); // return cchCharacters === 0 ? "" : data.read_shift(cchCharacters, "utf16le"); //} /* [MS-XLSB] 2.5.143 */ function parse_StrRun(data) { return { ich: data.read_shift(2), ifnt: data.read_shift(2) }; } function write_StrRun(run, o) { if (!o) o = new_buf(4); o.write_shift(2, run.ich || 0); o.write_shift(2, run.ifnt || 0); return o; } /* [MS-XLSB] 2.5.121 */ function parse_RichStr(data, length/*:number*/)/*:XLString*/ { var start = data.l; var flags = data.read_shift(1); var str = parse_XLWideString(data); var rgsStrRun = []; var z = ({ t: str, h: str }/*:any*/); if ((flags & 1) !== 0) { /* fRichStr */ /* TODO: formatted string */ var dwSizeStrRun = data.read_shift(4); for (var i = 0; i != dwSizeStrRun; ++i) rgsStrRun.push(parse_StrRun(data)); z.r = rgsStrRun; } else z.r = [{ ich: 0, ifnt: 0 }]; //if((flags & 2) !== 0) { /* fExtStr */ // /* TODO: phonetic string */ //} data.l = start + length; return z; } function write_RichStr(str/*:XLString*/, o/*:?Block*/)/*:Block*/ { /* TODO: formatted string */ var _null = false; if (o == null) { _null = true; o = new_buf(15 + 4 * str.t.length); } o.write_shift(1, 0); write_XLWideString(str.t, o); return _null ? o.slice(0, o.l) : o; } /* [MS-XLSB] 2.4.328 BrtCommentText (RichStr w/1 run) */ var parse_BrtCommentText = parse_RichStr; function write_BrtCommentText(str/*:XLString*/, o/*:?Block*/)/*:Block*/ { /* TODO: formatted string */ var _null = false; if (o == null) { _null = true; o = new_buf(23 + 4 * str.t.length); } o.write_shift(1, 1); write_XLWideString(str.t, o); o.write_shift(4, 1); write_StrRun({ ich: 0, ifnt: 0 }, o); return _null ? o.slice(0, o.l) : o; } /* [MS-XLSB] 2.5.9 */ function parse_XLSBCell(data)/*:any*/ { var col = data.read_shift(4); var iStyleRef = data.read_shift(2); iStyleRef += data.read_shift(1) << 16; data.l++; //var fPhShow = data.read_shift(1); return { c: col, iStyleRef: iStyleRef }; } function write_XLSBCell(cell/*:any*/, o/*:?Block*/) { if (o == null) o = new_buf(8); o.write_shift(-4, cell.c); o.write_shift(3, cell.iStyleRef || cell.s); o.write_shift(1, 0); /* fPhShow */ return o; } /* [MS-XLSB] 2.5.21 */ var parse_XLSBCodeName = parse_XLWideString; var write_XLSBCodeName = write_XLWideString; /* [MS-XLSB] 2.5.166 */ function parse_XLNullableWideString(data/*::, length*/)/*:string*/ { var cchCharacters = data.read_shift(4); return cchCharacters === 0 || cchCharacters === 0xFFFFFFFF ? "" : data.read_shift(cchCharacters, 'dbcs'); } function write_XLNullableWideString(data/*:string*/, o) { var _null = false; if (o == null) { _null = true; o = new_buf(127); } o.write_shift(4, data.length > 0 ? data.length : 0xFFFFFFFF); if (data.length > 0) o.write_shift(0, data, 'dbcs'); return _null ? o.slice(0, o.l) : o; } /* [MS-XLSB] 2.5.165 */ var parse_XLNameWideString = parse_XLWideString; //var write_XLNameWideString = write_XLWideString; /* [MS-XLSB] 2.5.114 */ var parse_RelID = parse_XLNullableWideString; var write_RelID = write_XLNullableWideString; /* [MS-XLS] 2.5.217 ; [MS-XLSB] 2.5.122 */ function parse_RkNumber(data)/*:number*/ { var b = data.slice(data.l, data.l + 4); var fX100 = (b[0] & 1), fInt = (b[0] & 2); data.l += 4; b[0] &= 0xFC; // b[0] &= ~3; var RK = fInt === 0 ? __double([0, 0, 0, 0, b[0], b[1], b[2], b[3]], 0) : __readInt32LE(b, 0) >> 2; return fX100 ? (RK / 100) : RK; } function write_RkNumber(data/*:number*/, o) { if (o == null) o = new_buf(4); var fX100 = 0, fInt = 0, d100 = data * 100; if ((data == (data | 0)) && (data >= -(1 << 29)) && (data < (1 << 29))) { fInt = 1; } else if ((d100 == (d100 | 0)) && (d100 >= -(1 << 29)) && (d100 < (1 << 29))) { fInt = 1; fX100 = 1; } if (fInt) o.write_shift(-4, ((fX100 ? d100 : data) << 2) + (fX100 + 2)); else throw new Error("unsupported RkNumber " + data); // TODO } /* [MS-XLSB] 2.5.117 RfX */ function parse_RfX(data /*::, length*/)/*:Range*/ { var cell/*:Range*/ = ({ s: {}, e: {} }/*:any*/); cell.s.r = data.read_shift(4); cell.e.r = data.read_shift(4); cell.s.c = data.read_shift(4); cell.e.c = data.read_shift(4); return cell; } function write_RfX(r/*:Range*/, o) { if (!o) o = new_buf(16); o.write_shift(4, r.s.r); o.write_shift(4, r.e.r); o.write_shift(4, r.s.c); o.write_shift(4, r.e.c); return o; } /* [MS-XLSB] 2.5.153 UncheckedRfX */ var parse_UncheckedRfX = parse_RfX; var write_UncheckedRfX = write_RfX; /* [MS-XLSB] 2.5.155 UncheckedSqRfX */ //function parse_UncheckedSqRfX(data) { // var cnt = data.read_shift(4); // var out = []; // for(var i = 0; i < cnt; ++i) { // var rng = parse_UncheckedRfX(data); // out.push(encode_range(rng)); // } // return out.join(","); //} //function write_UncheckedSqRfX(sqrfx/*:string*/) { // var parts = sqrfx.split(/\s*,\s*/); // var o = new_buf(4); o.write_shift(4, parts.length); // var out = [o]; // parts.forEach(function(rng) { // out.push(write_UncheckedRfX(safe_decode_range(rng))); // }); // return bconcat(out); //} /* [MS-XLS] 2.5.342 ; [MS-XLSB] 2.5.171 */ /* TODO: error checking, NaN and Infinity values are not valid Xnum */ function parse_Xnum(data/*::, length*/) { if(data.length - data.l < 8) throw "XLS Xnum Buffer underflow"; return data.read_shift(8, 'f'); } function write_Xnum(data, o) { return (o || new_buf(8)).write_shift(8, data, 'f'); } /* [MS-XLSB] 2.4.324 BrtColor */ function parse_BrtColor(data/*::, length*/) { var out = {}; var d = data.read_shift(1); //var fValidRGB = d & 1; var xColorType = d >>> 1; var index = data.read_shift(1); var nTS = data.read_shift(2, 'i'); var bR = data.read_shift(1); var bG = data.read_shift(1); var bB = data.read_shift(1); data.l++; //var bAlpha = data.read_shift(1); switch (xColorType) { case 0: out.auto = 1; break; case 1: out.index = index; var icv = XLSIcv[index]; /* automatic pseudo index 81 */ if (icv) out.rgb = rgb2Hex(icv); break; case 2: /* if(!fValidRGB) throw new Error("invalid"); */ out.rgb = rgb2Hex([bR, bG, bB]); break; case 3: out.theme = index; break; } if (nTS != 0) out.tint = nTS > 0 ? nTS / 32767 : nTS / 32768; return out; } function write_BrtColor(color, o) { if (!o) o = new_buf(8); if (!color || color.auto) { o.write_shift(4, 0); o.write_shift(4, 0); return o; } if (color.index != null) { o.write_shift(1, 0x02); o.write_shift(1, color.index); } else if (color.theme != null) { o.write_shift(1, 0x06); o.write_shift(1, color.theme); } else { o.write_shift(1, 0x05); o.write_shift(1, 0); } var nTS = color.tint || 0; if (nTS > 0) nTS *= 32767; else if (nTS < 0) nTS *= 32768; o.write_shift(2, nTS); if (!color.rgb || color.theme != null) { o.write_shift(2, 0); o.write_shift(1, 0); o.write_shift(1, 0); } else { var rgb = (color.rgb || 'FFFFFF'); if (typeof rgb == 'number') rgb = ("000000" + rgb.toString(16)).slice(-6); o.write_shift(1, parseInt(rgb.slice(0, 2), 16)); o.write_shift(1, parseInt(rgb.slice(2, 4), 16)); o.write_shift(1, parseInt(rgb.slice(4, 6), 16)); o.write_shift(1, 0xFF); } return o; } /* [MS-XLSB] 2.5.52 */ function parse_FontFlags(data/*::, length, opts*/) { var d = data.read_shift(1); data.l++; var out = { fBold: d & 0x01, fItalic: d & 0x02, fUnderline: d & 0x04, fStrikeout: d & 0x08, fOutline: d & 0x10, fShadow: d & 0x20, fCondense: d & 0x40, fExtend: d & 0x80 }; return out; } function write_FontFlags(font, o) { if (!o) o = new_buf(2); var grbit = (font.italic ? 0x02 : 0) | (font.strike ? 0x08 : 0) | (font.outline ? 0x10 : 0) | (font.shadow ? 0x20 : 0) | (font.condense ? 0x40 : 0) | (font.extend ? 0x80 : 0); o.write_shift(1, grbit); o.write_shift(1, 0); return o; } /* [MS-OLEDS] 2.3.1 and 2.3.2 */ function parse_ClipboardFormatOrString(o, w/*:number*/)/*:string*/ { // $FlowIgnore var ClipFmt = { 2: "BITMAP", 3: "METAFILEPICT", 8: "DIB", 14: "ENHMETAFILE" }; var m/*:number*/ = o.read_shift(4); switch (m) { case 0x00000000: return ""; case 0xffffffff: case 0xfffffffe: return ClipFmt[o.read_shift(4)] || ""; } if (m > 0x190) throw new Error("Unsupported Clipboard: " + m.toString(16)); o.l -= 4; return o.read_shift(0, w == 1 ? "lpstr" : "lpwstr"); } function parse_ClipboardFormatOrAnsiString(o) { return parse_ClipboardFormatOrString(o, 1); } function parse_ClipboardFormatOrUnicodeString(o) { return parse_ClipboardFormatOrString(o, 2); }