sheetjs/bits/69_chartxml.js
2024-04-04 21:30:28 -04:00

49 lines
1.6 KiB
JavaScript

function parse_Cache(data/*:string*/)/*:[Array<number|string>, string, ?string]*/ {
var col/*:Array<number|string>*/ = [];
var num = data.match(/^<c:numCache>/);
var f;
/* 21.2.2.150 pt CT_NumVal */
(data.match(/<c:pt idx="(\d*)"[^<>\/]*><c:v>([^<])<\/c:v><\/c:pt>/mg)||[]).forEach(function(pt) {
var q = pt.match(/<c:pt idx="(\d*)"[^<>\/]*><c:v>([^<]*)<\/c:v><\/c:pt>/);
if(!q) return;
col[+q[1]] = num ? +q[2] : q[2];
});
/* 21.2.2.71 formatCode CT_Xstring */
var nf = unescapexml((str_match_xml(data, "c:formatCode") || ["","General"])[1]);
(str_match_ng(data, "<c:f>", "</c:f>")||[]).forEach(function(F) { f = F.replace(/<[^<>]*>/g,""); });
return [col, nf, f];
}
/* 21.2 DrawingML - Charts */
function parse_chart(data/*:?string*/, name/*:string*/, opts, rels, wb, csheet) {
var cs/*:Worksheet*/ = ((csheet || {"!type":"chart"})/*:any*/);
if(!data) return csheet;
/* 21.2.2.27 chart CT_Chart */
var C = 0, R = 0, col = "A";
var refguess = {s: {r:2000000, c:2000000}, e: {r:0, c:0} };
/* 21.2.2.120 numCache CT_NumData */
(str_match_ng(data, "<c:numCache>", "</c:numCache>")||[]).forEach(function(nc) {
var cache = parse_Cache(nc);
refguess.s.r = refguess.s.c = 0;
refguess.e.c = C;
col = encode_col(C);
cache[0].forEach(function(n,i) {
if(cs["!data"]) {
if(!cs["!data"][i]) cs["!data"][i] = [];
cs["!data"][i][C] = {t:'n', v:n, z:cache[1] };
} else cs[col + encode_row(i)] = {t:'n', v:n, z:cache[1] };
R = i;
});
if(refguess.e.r < R) refguess.e.r = R;
++C;
});
if(C > 0) cs["!ref"] = encode_range(refguess);
return cs;
}