forked from sheetjs/sheetjs
77 lines
2.4 KiB
JavaScript
77 lines
2.4 KiB
JavaScript
var RTF = (function() {
|
|
function rtf_to_sheet(d/*:RawData*/, opts)/*:Worksheet*/ {
|
|
switch(opts.type) {
|
|
case 'base64': return rtf_to_sheet_str(Base64.decode(d), opts);
|
|
case 'binary': return rtf_to_sheet_str(d, opts);
|
|
case 'buffer': return rtf_to_sheet_str(has_buf && Buffer.isBuffer(d) ? d.toString('binary') : a2s(d), opts);
|
|
case 'array': return rtf_to_sheet_str(cc2str(d), opts);
|
|
}
|
|
throw new Error("Unrecognized type " + opts.type);
|
|
}
|
|
|
|
/* TODO: this is a stub */
|
|
function rtf_to_sheet_str(str/*:string*/, opts)/*:Worksheet*/ {
|
|
var o = opts || {};
|
|
var ws/*:Worksheet*/ = o.dense ? ([]/*:any*/) : ({}/*:any*/);
|
|
|
|
var rows = str.match(/\\trowd.*?\\row\b/g);
|
|
if(!rows.length) throw new Error("RTF missing table");
|
|
var range/*:Range*/ = ({s: {c:0, r:0}, e: {c:0, r:rows.length - 1}}/*:any*/);
|
|
rows.forEach(function(rowtf, R) {
|
|
if(Array.isArray(ws)) ws[R] = [];
|
|
var rtfre = /\\\w+\b/g;
|
|
var last_index = 0;
|
|
var res;
|
|
var C = -1;
|
|
while((res = rtfre.exec(rowtf))) {
|
|
switch(res[0]) {
|
|
case "\\cell":
|
|
var data = rowtf.slice(last_index, rtfre.lastIndex - res[0].length);
|
|
if(data[0] == " ") data = data.slice(1);
|
|
++C;
|
|
if(data.length) {
|
|
// TODO: value parsing, including codepage adjustments
|
|
var cell = {v: data, t:"s"};
|
|
if(Array.isArray(ws)) ws[R][C] = cell;
|
|
else ws[encode_cell({r:R, c:C})] = cell;
|
|
}
|
|
break;
|
|
}
|
|
last_index = rtfre.lastIndex;
|
|
}
|
|
if(C > range.e.c) range.e.c = C;
|
|
});
|
|
ws['!ref'] = encode_range(range);
|
|
return ws;
|
|
}
|
|
|
|
function rtf_to_workbook(d/*:RawData*/, opts)/*:Workbook*/ { return sheet_to_workbook(rtf_to_sheet(d, opts), opts); }
|
|
|
|
/* TODO: this is a stub */
|
|
function sheet_to_rtf(ws/*:Worksheet*//*::, opts*/)/*:string*/ {
|
|
var o = ["{\\rtf1\\ansi"];
|
|
var r = safe_decode_range(ws['!ref']), cell/*:Cell*/;
|
|
var dense = Array.isArray(ws);
|
|
for(var R = r.s.r; R <= r.e.r; ++R) {
|
|
o.push("\\trowd\\trautofit1");
|
|
for(var C = r.s.c; C <= r.e.c; ++C) o.push("\\cellx" + (C+1));
|
|
o.push("\\pard\\intbl");
|
|
for(C = r.s.c; C <= r.e.c; ++C) {
|
|
var coord = encode_cell({r:R,c:C});
|
|
cell = dense ? (ws[R]||[])[C]: ws[coord];
|
|
if(!cell || cell.v == null && (!cell.f || cell.F)) continue;
|
|
o.push(" " + (cell.w || (format_cell(cell), cell.w)));
|
|
o.push("\\cell");
|
|
}
|
|
o.push("\\pard\\intbl\\row");
|
|
}
|
|
return o.join("") + "}";
|
|
}
|
|
|
|
return {
|
|
to_workbook: rtf_to_workbook,
|
|
to_sheet: rtf_to_sheet,
|
|
from_sheet: sheet_to_rtf
|
|
};
|
|
})();
|