sheetjs/bits/90_utils.js

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function decode_row(rowstr) { return parseInt(unfix_row(rowstr),10) - 1; }
function encode_row(row) { return "" + (row + 1); }
function fix_row(cstr) { return cstr.replace(/([A-Z]|^)(\d+)$/,"$1$$$2"); }
function unfix_row(cstr) { return cstr.replace(/\$(\d+)$/,"$1"); }
function decode_col(colstr) { var c = unfix_col(colstr), d = 0, i = 0; for(; i !== c.length; ++i) d = 26*d + c.charCodeAt(i) - 64; return d - 1; }
function encode_col(col) { var s=""; for(++col; col; col=Math.floor((col-1)/26)) s = String.fromCharCode(((col-1)%26) + 65) + s; return s; }
function fix_col(cstr) { return cstr.replace(/^([A-Z])/,"$$$1"); }
function unfix_col(cstr) { return cstr.replace(/^\$([A-Z])/,"$1"); }
function split_cell(cstr) { return cstr.replace(/(\$?[A-Z]*)(\$?\d*)/,"$1,$2").split(","); }
function decode_cell(cstr) { var splt = split_cell(cstr); return { c:decode_col(splt[0]), r:decode_row(splt[1]) }; }
function encode_cell(cell) { return encode_col(cell.c) + encode_row(cell.r); }
function fix_cell(cstr) { return fix_col(fix_row(cstr)); }
function unfix_cell(cstr) { return unfix_col(unfix_row(cstr)); }
function decode_range(range) { var x =range.split(":").map(decode_cell); return {s:x[0],e:x[x.length-1]}; }
function encode_range(cs,ce) {
if(ce === undefined || typeof ce === 'number') return encode_range(cs.s, cs.e);
if(typeof cs !== 'string') cs = encode_cell(cs); if(typeof ce !== 'string') ce = encode_cell(ce);
return cs == ce ? cs : cs + ":" + ce;
}
function safe_decode_range(range) {
var o = {s:{c:0,r:0},e:{c:0,r:0}};
var idx = 0, i = 0, cc = 0;
var len = range.length;
for(idx = 0; i < len; ++i) {
if((cc=range.charCodeAt(i)-64) < 1 || cc > 26) break;
idx = 26*idx + cc;
}
o.s.c = --idx;
for(idx = 0; i < len; ++i) {
if((cc=range.charCodeAt(i)-48) < 0 || cc > 9) break;
idx = 10*idx + cc;
}
o.s.r = --idx;
if(i === len || range.charCodeAt(++i) === 58) { o.e.c=o.s.c; o.e.r=o.s.r; return o; }
for(idx = 0; i != len; ++i) {
if((cc=range.charCodeAt(i)-64) < 1 || cc > 26) break;
idx = 26*idx + cc;
}
o.e.c = --idx;
for(idx = 0; i != len; ++i) {
if((cc=range.charCodeAt(i)-48) < 0 || cc > 9) break;
idx = 10*idx + cc;
}
o.e.r = --idx;
return o;
}
function safe_format_cell(cell, v) {
if(cell.z !== undefined) try { return (cell.w = SSF.format(cell.z, v)); } catch(e) { }
if(!cell.XF) return v;
try { return (cell.w = SSF.format(cell.XF.ifmt||0, v)); } catch(e) { return ''+v; }
}
function format_cell(cell, v) {
if(cell == null || cell.t == null) return "";
if(cell.w !== undefined) return cell.w;
if(v === undefined) return safe_format_cell(cell, cell.v);
return safe_format_cell(cell, v);
}
function sheet_to_json(sheet, opts){
var val, row, range, header = 0, offset = 1, r, hdr = [], isempty, R, C, v;
var o = opts != null ? opts : {};
var raw = o.raw;
if(sheet == null || sheet["!ref"] == null) return [];
range = o.range !== undefined ? o.range : sheet["!ref"];
if(o.header === 1) header = 1;
else if(o.header === "A") header = 2;
else if(Array.isArray(o.header)) header = 3;
switch(typeof range) {
case 'string': r = safe_decode_range(range); break;
case 'number': r = safe_decode_range(sheet["!ref"]); r.s.r = range; break;
default: r = range;
}
if(header > 0) offset = 0;
var rr = encode_row(r.s.r);
var cols = new Array(r.e.c-r.s.c+1);
var out = new Array(r.e.r-r.s.r-offset+1);
var outi = 0;
for(C = r.s.c; C <= r.e.c; ++C) {
cols[C] = encode_col(C);
val = sheet[cols[C] + rr];
switch(header) {
case 1: hdr[C] = C; break;
case 2: hdr[C] = cols[C]; break;
case 3: hdr[C] = o.header[C - r.s.c]; break;
default:
if(val === undefined) continue;
hdr[C] = format_cell(val);
}
}
for (R = r.s.r + offset; R <= r.e.r; ++R) {
rr = encode_row(R);
isempty = true;
row = header === 1 ? [] : Object.create({ __rowNum__ : R });
for (C = r.s.c; C <= r.e.c; ++C) {
val = sheet[cols[C] + rr];
if(val === undefined || val.t === undefined) continue;
v = val.v;
switch(val.t){
case 'e': continue;
case 's': break;
case 'b': case 'n': break;
default: throw 'unrecognized type ' + val.t;
}
if(v !== undefined) {
row[hdr[C]] = raw ? v : format_cell(val,v);
isempty = false;
}
}
if(isempty === false) out[outi++] = row;
}
out.length = outi;
return out;
}
function sheet_to_row_object_array(sheet, opts) { return sheet_to_json(sheet, opts != null ? opts : {}); }
function sheet_to_csv(sheet, opts) {
var out = "", txt = "", qreg = /"/g;
var o = opts == null ? {} : opts;
if(sheet == null || sheet["!ref"] == null) return "";
var r = safe_decode_range(sheet["!ref"]);
var FS = o.FS !== undefined ? o.FS : ",", fs = FS.charCodeAt(0);
var RS = o.RS !== undefined ? o.RS : "\n", rs = RS.charCodeAt(0);
var row = "", rr = "", cols = [];
var i = 0, cc = 0, val;
var R = 0, C = 0;
for(C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
for(R = r.s.r; R <= r.e.r; ++R) {
row = "";
rr = encode_row(R);
for(C = r.s.c; C <= r.e.c; ++C) {
val = sheet[cols[C] + rr];
txt = val !== undefined ? ''+format_cell(val) : "";
for(i = 0, cc = 0; i !== txt.length; ++i) if((cc = txt.charCodeAt(i)) === fs || cc === rs || cc === 34) {
txt = "\"" + txt.replace(qreg, '""') + "\""; break; }
row += (C === r.s.c ? "" : FS) + txt;
}
out += row + RS;
}
return out;
}
var make_csv = sheet_to_csv;
function sheet_to_formulae(sheet) {
var cmds, y = "", x, val="";
if(sheet == null || sheet["!ref"] == null) return "";
var r = safe_decode_range(sheet['!ref']), rr = "", cols = [], C;
cmds = new Array((r.e.r-r.s.r+1)*(r.e.c-r.s.c+1));
var i = 0;
for(C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
for(var R = r.s.r; R <= r.e.r; ++R) {
rr = encode_row(R);
for(C = r.s.c; C <= r.e.c; ++C) {
y = cols[C] + rr;
x = sheet[y];
val = "";
if(x === undefined) continue;
if(x.f != null) val = x.f;
else if(x.w !== undefined) val = "'" + x.w;
else if(x.v === undefined) continue;
else val = ""+x.v;
cmds[i++] = y + "=" + val;
}
2013-04-17 01:32:20 +00:00
}
cmds.length = i;
return cmds;
}
var utils = {
encode_col: encode_col,
encode_row: encode_row,
encode_cell: encode_cell,
encode_range: encode_range,
decode_col: decode_col,
decode_row: decode_row,
split_cell: split_cell,
decode_cell: decode_cell,
decode_range: decode_range,
format_cell: format_cell,
get_formulae: sheet_to_formulae,
make_csv: sheet_to_csv,
make_json: sheet_to_json,
make_formulae: sheet_to_formulae,
sheet_to_csv: sheet_to_csv,
sheet_to_json: sheet_to_json,
sheet_to_formulae: sheet_to_formulae,
sheet_to_row_object_array: sheet_to_row_object_array
};
if ((typeof 'module' != 'undefined' && typeof require != 'undefined') || (typeof $ != 'undefined')) {
var StyleBuilder = function (options) {
if(typeof module !== "undefined" && typeof require !== 'undefined' ) {
var cheerio = require('cheerio');
createElement = function(str) { return cheerio(cheerio(str, null, null, {xmlMode: true})); };
}
else if (typeof jQuery !== 'undefined' || typeof $ !== 'undefined') {
createElement = function(str) { return $(str); }
}
else {
createElement = function() { }
}
var customNumFmtId = 164;
var table_fmt = {
0: 'General',
1: '0',
2: '0.00',
3: '#,##0',
4: '#,##0.00',
9: '0%',
10: '0.00%',
11: '0.00E+00',
12: '# ?/?',
13: '# ??/??',
14: 'm/d/yy',
15: 'd-mmm-yy',
16: 'd-mmm',
17: 'mmm-yy',
18: 'h:mm AM/PM',
19: 'h:mm:ss AM/PM',
20: 'h:mm',
21: 'h:mm:ss',
22: 'm/d/yy h:mm',
37: '#,##0 ;(#,##0)',
38: '#,##0 ;[Red](#,##0)',
39: '#,##0.00;(#,##0.00)',
40: '#,##0.00;[Red](#,##0.00)',
45: 'mm:ss',
46: '[h]:mm:ss',
47: 'mmss.0',
48: '##0.0E+0',
49: '@',
56: '"上午/下午 "hh"時"mm"分"ss"秒 "',
65535: 'General'
};
var fmt_table = {};
for (var idx in table_fmt) {
fmt_table[table_fmt[idx]] = idx;
}
var baseXmlprefix = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>';
var baseXml =
'<styleSheet xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac"\
xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" mc:Ignorable="x14ac">\
<numFmts count="1">\
<numFmt numFmtId="164" formatCode="0.00%"/>\
</numFmts>\
<fonts count="0" x14ac:knownFonts="1"></fonts>\
<fills count="0"></fills>\
<borders count="0"></borders>\
<cellStyleXfs count="1">\
<xf numFmtId="0" fontId="0" fillId="0" borderId="0"/>\
</cellStyleXfs>\
<cellXfs count="0"></cellXfs>\
<cellStyles count="1">\
<cellStyle name="Normal" xfId="0" builtinId="0"/>\
</cellStyles>\
<dxfs count="0"/>\
<tableStyles count="0" defaultTableStyle="TableStyleMedium9" defaultPivotStyle="PivotStyleMedium4"/>\
</styleSheet>';
_hashIndex = {};
_listIndex = [];
return {
initialize: function (options) {
if (typeof cheerio !== 'undefined') {
this.$styles = cheerio.load(baseXml, {xmlMode: true});
this.$styles.find = function(q) { return this(q)}
}
else {
this.$styles = $(baseXml);
}
// need to specify styles at index 0 and 1.
// the second style MUST be gray125 for some reason
var defaultStyle = options.defaultCellStyle;
if (!defaultStyle) defaultStyle = {
font: {name: 'Calibri', sz: '11'},
fill: { fgColor: { patternType: "none"}},
border: {},
numFmt: null
};
if (!defaultStyle.border) { defaultStyle.border = {}}
var gray125Style = JSON.parse(JSON.stringify(defaultStyle));
gray125Style.fill = { fgColor: { patternType: "gray125"}}
this.addStyles([defaultStyle, gray125Style]);
return this;
},
// create a style entry and returns an integer index that can be used in the cell .s property
// these format of this object follows the emerging Common Spreadsheet Format
addStyle: function (attributes) {
var attributes = this._duckTypeStyle(attributes);
var hashKey = JSON.stringify(attributes);
var index = _hashIndex[hashKey];
if (index == undefined) {
index = this._addXf(attributes || {});
_hashIndex[hashKey] = index;
}
else {
index = _hashIndex[hashKey];
}
return index;
},
// create style entries and returns array of integer indexes that can be used in cell .s property
addStyles: function (styles) {
var self = this;
return styles.map(function (style) {
return self.addStyle(style);
})
},
_duckTypeStyle: function(attributes) {
if (typeof attributes == 'object' && (attributes.patternFill || attributes.fgColor)) {
return {fill: attributes }; // this must be read via XLSX.parseFile(...)
}
else if (attributes.font || attributes.numFmt || attributes.border || attributes.fill) {
return attributes;
}
else {
return this._getStyleCSS(attributes)
}
},
_getStyleCSS: function(css) {
return css; //TODO
},
// Create an <xf> record for the style as well as corresponding <font>, <fill>, <border>, <numfmts>
// Right now this is simple and creates a <font>, <fill>, <border>, <numfmts> for every <xf>
// We could perhaps get fancier and avoid duplicating auxiliary entries as Excel presumably intended, but bother.
_addXf: function (attributes) {
var fontId = this._addFont(attributes.font);
var fillId = this._addFill(attributes.fill);
var borderId = this._addBorder(attributes.border);
var numFmtId = this._addNumFmt(attributes.numFmt);
var $xf = createElement('<xf></xf>')
.attr("numFmtId", numFmtId)
.attr("fontId", fontId)
.attr("fillId", fillId)
.attr("borderId", 0)
.attr("xfId", "0");
if (fontId > 0) {
$xf.attr('applyFont', "1");
}
if (fillId > 0) {
$xf.attr('applyFill', "1");
}
if (borderId > 0) {
$xf.attr('applyBorder', "1");
}
if (numFmtId > 0) {
$xf.attr('applyNumberFormat', "1");
}
var $cellXfs = this.$styles.find('cellXfs');
$cellXfs.append($xf);
var count = +$cellXfs.attr('count') + 1;
$cellXfs.attr('count', count);
return count - 1;
},
_addFont: function (attributes) {
if (!attributes) {
return 0;
}
var $font = createElement('<font/>', null, null, {xmlMode: true});
$font.append(createElement('<sz/>').attr('val', attributes.sz))
.append(createElement('<color/>').attr('theme', '1'))
.append(createElement('<name/>').attr('val', attributes.name))
// .append(createElement('<family/>').attr('val', '2'))
// .append(createElement('<scheme/>').attr('val', 'minor'));
if (attributes.bold) $font.append('<b/>');
if (attributes.underline) $font.append('<u/>');
if (attributes.italic) $font.append('<i/>');
if (attributes.color) {
if (attributes.color.theme) {
$font.append(createElement('<color/>').attr('theme', attributes.color.theme));
} else if (attributes.color.rgb) {
$font.append(createElement('<color/>').attr('rgb', attributes.color.rgb));
}
}
var $fonts = this.$styles.find('fonts');
$fonts.append($font);
var count = $fonts.children().length;
$fonts.attr('count', count);
return count - 1;
},
_addNumFmt: function (numFmt) {
if (!numFmt) {
return 0;
}
if (typeof numFmt == 'string') {
var numFmtIdx = fmt_table[numFmt];
if (numFmtIdx >= 0) {
return numFmtIdx; // we found a match against built in formats
}
}
if (numFmt == +numFmt) {
return numFmt; // we're matching an integer against some known code
}
var $numFmt = createElement('<numFmt/>', null, null, {xmlMode: true})
.attr("numFmtId", ++customNumFmtId )
.attr("formatCode", numFmt);
var $numFmts = this.$styles.find('numFmts');
$numFmts.append($numFmt);
var count = $numFmts.children().length;
$numFmts.attr('count', count);
return customNumFmtId;
},
_addFill: function (attributes) {
if (!attributes) {
return 0;
}
var $patternFill = createElement('<patternFill></patternFill>', null, null, {xmlMode: true})
.attr('patternType', attributes.patternType || 'solid');
if (attributes.fgColor) {
//Excel doesn't like it when we set both rgb and theme+tint, but xlsx.parseFile() sets both
//var $fgColor = createElement('<fgColor/>', null, null, {xmlMode: true}).attr(attributes.fgColor)
if (attributes.fgColor.rgb) {
if (attributes.fgColor.rgb.length == 6) {
attributes.fgColor.rgb = "FF" + attributes.fgColor.rgb /// add alpha to an RGB as Excel expects aRGB
}
var $fgColor = createElement('<fgColor/>', null, null, {xmlMode: true}).
attr('rgb', attributes.fgColor.rgb);
$patternFill.append($fgColor);
}
else if (attributes.fgColor.theme) {
var $fgColor = createElement('<fgColor/>', null, null, {xmlMode: true});
$fgColor.attr('theme', attributes.fgColor.theme);
if (attributes.fgColor.tint) {
$fgColor.attr('tint', attributes.fgColor.tint);
}
$patternFill.append($fgColor);
}
if (!attributes.bgColor) {
attributes.bgColor = { "indexed": "64"}
}
}
if (attributes.bgColor) {
var $bgColor = createElement('<bgColor/>', null, null, {xmlMode: true}).attr(attributes.bgColor);
$patternFill.append($bgColor);
}
var $fill = createElement('<fill></fill>')
.append($patternFill);
this.$styles.find('fills').append($fill);
var $fills = this.$styles.find('fills')
$fills.append($fill);
var count = $fills.children().length;
$fills.attr('count', count);
return count - 1;
},
_addBorder: function (attributes) {
if (!attributes) {
return 0;
}
var $border = createElement('<border></border>')
.append('<left></left>')
.append('<right></right>')
.append('<top></top>')
.append('<bottom></bottom>')
.append('<diagonal></diagonal>');
var $borders = this.$styles.find('borders');
$borders.append($border);
var count = $borders.children().length;
$borders.attr('count', count);
return count;
},
toXml: function () {
if (this.$styles.find('numFmts').children().length == 0) {
this.$styles.find('numFmts').remove();
}
if (this.$styles.xml) { return this.$styles.xml(); }
else { return baseXmlprefix + this.$styles.html(); }
}
}.initialize(options||{});
}
}