sheetjs-clone/bits/65_comments.js

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/* 18.7.3 CT_Comment */
function parseComments(data) {
if(data.match(/<comments *\/>/)) {
throw new Error('Not a valid comments xml');
}
var authors = [];
var commentList = [];
data.match(/<authors>([^\u2603]*)<\/authors>/m)[1].split('</author>').forEach(function(x) {
if(x === "" || x.trim() === "") return;
authors.push(x.match(/<author[^>]*>(.*)/)[1]);
});
data.match(/<commentList>([^\u2603]*)<\/commentList>/m)[1].split('</comment>').forEach(function(x, index) {
if(x === "" || x.trim() === "") return;
var y = parsexmltag(x.match(/<comment[^>]*>/)[0]);
var comment = { author: y.authorId && authors[y.authorId] ? authors[y.authorId] : undefined, ref: y.ref, guid: y.guid };
var textMatch = x.match(/<text>([^\u2603]*)<\/text>/m);
if (!textMatch || !textMatch[1]) return; // a comment may contain an empty text tag.
var rt = parse_si(textMatch[1]);
comment.raw = rt.raw;
comment.t = rt.t;
comment.r = rt.r;
commentList.push(comment);
});
return commentList;
}
function parseCommentsAddToSheets(zip, dirComments, sheets, sheetRels) {
for(var i = 0; i != dirComments.length; ++i) {
var canonicalpath=dirComments[i];
var comments=parseComments(getdata(getzipfile(zip, canonicalpath.replace(/^\//,''))));
// find the sheets targeted by these comments
var sheetNames = Object.keys(sheets);
for(var j = 0; j != sheetNames.length; ++j) {
var sheetName = sheetNames[j];
var rels = sheetRels[sheetName];
if (rels) {
var rel = rels[canonicalpath];
if (rel) {
insertCommentsIntoSheet(sheetName, sheets[sheetName], comments);
}
}
}
}
}
function insertCommentsIntoSheet(sheetName, sheet, comments) {
comments.forEach(function(comment) {
var cell = sheet[comment.ref];
if (!cell) {
cell = {};
sheet[comment.ref] = cell;
var range = decode_range(sheet["!ref"]);
var thisCell = decode_cell(comment.ref);
if(range.s.r > thisCell.r) range.s.r = thisCell.r;
if(range.e.r < thisCell.r) range.e.r = thisCell.r;
if(range.s.c > thisCell.c) range.s.c = thisCell.c;
if(range.e.c < thisCell.c) range.e.c = thisCell.c;
var encoded = encode_range(range);
if (encoded !== sheet["!ref"]) sheet["!ref"] = encoded;
}
if (!cell.c) {
cell.c = [];
}
cell.c.push({a: comment.author, t: comment.t, raw: comment.raw, r: comment.r});
});
}