forked from sheetjs/sheetjs
104 lines
3.0 KiB
JavaScript
104 lines
3.0 KiB
JavaScript
function rtf_to_sheet(d, opts) {
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switch (opts.type) {
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case "base64":
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return rtf_to_sheet_str(Base64_decode(d), opts);
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case "binary":
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return rtf_to_sheet_str(d, opts);
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case "buffer":
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return rtf_to_sheet_str(has_buf && Buffer.isBuffer(d) ? d.toString("binary") : a2s(d), opts);
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case "array":
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return rtf_to_sheet_str(cc2str(d), opts);
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}
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throw new Error("Unrecognized type " + opts.type);
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}
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function rtf_to_sheet_str(str, opts) {
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var o = opts || {};
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var ws = {};
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var dense = o.dense;
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if (dense)
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ws["!data"] = [];
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var rows = str.match(/\\trowd[\s\S]*?\\row\b/g);
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if (!rows)
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throw new Error("RTF missing table");
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var range = { s: { c: 0, r: 0 }, e: { c: 0, r: rows.length - 1 } };
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var row = [];
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rows.forEach(function(rowtf, R) {
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if (dense)
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row = ws["!data"][R] = [];
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var rtfre = /\\[\w\-]+\b/g;
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var last_index = 0;
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var res;
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var C = -1;
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var payload = [];
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while ((res = rtfre.exec(rowtf)) != null) {
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var data = rowtf.slice(last_index, rtfre.lastIndex - res[0].length);
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if (data.charCodeAt(0) == 32)
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data = data.slice(1);
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if (data.length)
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payload.push(data);
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switch (res[0]) {
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case "\\cell":
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++C;
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if (payload.length) {
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var cell = { v: payload.join(""), t: "s" };
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if (cell.v == "TRUE" || cell.v == "FALSE") {
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cell.v = cell.v == "TRUE";
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cell.t = "b";
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} else if (!isNaN(fuzzynum(cell.v))) {
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cell.t = "n";
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if (o.cellText !== false)
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cell.w = cell.v;
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cell.v = fuzzynum(cell.v);
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}
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if (dense)
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row[C] = cell;
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else
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ws[encode_cell({ r: R, c: C })] = cell;
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}
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payload = [];
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break;
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case "\\par":
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payload.push("\n");
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break;
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}
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last_index = rtfre.lastIndex;
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}
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if (C > range.e.c)
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range.e.c = C;
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});
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ws["!ref"] = encode_range(range);
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return ws;
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}
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function rtf_to_workbook(d, opts) {
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var wb = sheet_to_workbook(rtf_to_sheet(d, opts), opts);
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wb.bookType = "rtf";
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return wb;
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}
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function sheet_to_rtf(ws, opts) {
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var o = ["{\\rtf1\\ansi"];
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if (!ws["!ref"])
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return o[0] + "}";
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var r = safe_decode_range(ws["!ref"]), cell;
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var dense = ws["!data"] != null, row = [];
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for (var R = r.s.r; R <= r.e.r; ++R) {
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o.push("\\trowd\\trautofit1");
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for (var C = r.s.c; C <= r.e.c; ++C)
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o.push("\\cellx" + (C + 1));
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o.push("\\pard\\intbl");
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if (dense)
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row = ws["!data"][R] || [];
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for (C = r.s.c; C <= r.e.c; ++C) {
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var coord = encode_cell({ r: R, c: C });
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cell = dense ? row[C] : ws[coord];
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if (!cell || cell.v == null && (!cell.f || cell.F)) {
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o.push(" \\cell");
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continue;
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}
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o.push(" " + (cell.w || (format_cell(cell), cell.w) || "").replace(/[\r\n]/g, "\\par "));
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o.push("\\cell");
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}
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o.push("\\pard\\intbl\\row");
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}
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return o.join("") + "}";
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}
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