xsheetjs/bits/58_cmntbin.js
SheetJS 6e260c9185 cell comments
- `sheet_to_json` handle arrays (h/t AaronWoodrow)
- XLS parse comment visibility (h/t Godrules500)
- chrome manifest v3 writeFile support
- raw v8 (no TextEncoder/TextDecoder) optimization
- handle empty shared formula body (h/t florian)
2023-06-13 00:49:18 -04:00

105 lines
3.3 KiB
JavaScript

/* [MS-XLSB] 2.4.28 BrtBeginComment */
function parse_BrtBeginComment(data) {
var out = {};
out.iauthor = data.read_shift(4);
var rfx = parse_UncheckedRfX(data, 16);
out.rfx = rfx.s;
out.ref = encode_cell(rfx.s);
data.l += 16; /*var guid = parse_GUID(data); */
return out;
}
function write_BrtBeginComment(data, o) {
if(o == null) o = new_buf(36);
o.write_shift(4, data[1].iauthor);
write_UncheckedRfX((data[0]/*:any*/), o);
o.write_shift(4, 0);
o.write_shift(4, 0);
o.write_shift(4, 0);
o.write_shift(4, 0);
return o;
}
/* [MS-XLSB] 2.4.327 BrtCommentAuthor */
var parse_BrtCommentAuthor = parse_XLWideString;
function write_BrtCommentAuthor(data) { return write_XLWideString(data.slice(0, 54)); }
/* [MS-XLSB] 2.1.7.8 Comments */
function parse_comments_bin(data, opts)/*:Array<RawComment>*/ {
var out/*:Array<RawComment>*/ = [];
var authors/*:Array<string>*/ = [];
var c = {};
var pass = false;
recordhopper(data, function hopper_cmnt(val, R, RT) {
switch(RT) {
case 0x0278: /* 'BrtCommentAuthor' */
authors.push(val); break;
case 0x027B: /* 'BrtBeginComment' */
c = val; break;
case 0x027D: /* 'BrtCommentText' */
c.t = val.t; c.h = val.h; c.r = val.r; break;
case 0x027C: /* 'BrtEndComment' */
c.author = authors[c.iauthor];
delete (c/*:any*/).iauthor;
if(opts.sheetRows && c.rfx && opts.sheetRows <= c.rfx.r) break;
if(!c.t) c.t = "";
delete c.rfx; out.push(c); break;
case 0x0C00: /* 'BrtUid' */
break;
case 0x0023: /* 'BrtFRTBegin' */
pass = true; break;
case 0x0024: /* 'BrtFRTEnd' */
pass = false; break;
case 0x0025: /* 'BrtACBegin' */ break;
case 0x0026: /* 'BrtACEnd' */ break;
default:
if(R.T){/* empty */}
else if(!pass || opts.WTF) throw new Error("Unexpected record 0x" + RT.toString(16));
}
});
return out;
}
function write_comments_bin(data/*::, opts*/) {
var ba = buf_array();
var iauthor/*:Array<string>*/ = [];
write_record(ba, 0x0274 /* BrtBeginComments */);
write_record(ba, 0x0276 /* BrtBeginCommentAuthors */);
data.forEach(function(comment) {
comment[1].forEach(function(c) {
if(iauthor.indexOf(c.a) > -1) return;
iauthor.push(c.a.slice(0,54));
write_record(ba, 0x0278 /* BrtCommentAuthor */, write_BrtCommentAuthor(c.a));
if(c.T && c.ID && iauthor.indexOf("tc=" + c.ID) == -1) {
iauthor.push("tc=" + c.ID);
write_record(ba, 0x0278 /* BrtCommentAuthor */, write_BrtCommentAuthor("tc=" + c.ID));
}
});
});
write_record(ba, 0x0277 /* BrtEndCommentAuthors */);
write_record(ba, 0x0279 /* BrtBeginCommentList */);
data.forEach(function(comment) {
comment[1].forEach(function(c) {
var _ia = -1;
if(c.ID) _ia = iauthor.indexOf("tc=" + c.ID);
if(_ia == -1 && comment[1][0].T && comment[1][0].ID) _ia = iauthor.indexOf("tc=" + comment[1][0].ID);
if(_ia == -1) _ia = iauthor.indexOf(c.a);
c.iauthor = _ia;
var range = {s:decode_cell(comment[0]),e:decode_cell(comment[0])};
write_record(ba, 0x027B /* BrtBeginComment */, write_BrtBeginComment([range, c]));
if(c.t && c.t.length > 0) write_record(ba, 0x027D /* BrtCommentText */, write_BrtCommentText(c));
write_record(ba, 0x027C /* BrtEndComment */);
delete c.iauthor;
});
});
write_record(ba, 0x027A /* BrtEndCommentList */);
write_record(ba, 0x0275 /* BrtEndComments */);
return ba.end();
}