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https://github.com/M66B/FairEmail.git
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Back to simple table formatting
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M66B
parent
701a35b5d7
commit
29c0adbcc3
1 changed files with 30 additions and 186 deletions
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@ -463,8 +463,9 @@ public class HtmlHelper {
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.addAttributes(":all", "style")
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.addAttributes("div", "x-plain")
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.removeTags("col", "colgroup")
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.removeTags("thead", "tbody", "tfoot")
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.removeAttributes("table", "width")
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.addAttributes("tr", "height")
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.addAttributes("tr", "height") // to do
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.removeAttributes("td", "rowspan", "width")
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.removeAttributes("th", "rowspan", "width")
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.addProtocols("img", "src", "cid")
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@ -726,6 +727,7 @@ public class HtmlHelper {
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case "text-align":
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// https://developer.mozilla.org/en-US/docs/Web/CSS/text-align
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if (text_align) {
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element.attr("x-align", value);
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sb.append("display:block;");
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sb.append(key).append(':').append(value).append(';');
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}
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@ -830,199 +832,41 @@ public class HtmlHelper {
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// Tables
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// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/table
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boolean tdebug = BuildConfig.DEBUG && false;
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Elements tables = document.select("table");
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if (tables.size() > 0)
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for (int t = tables.size() - 1; t >= 0; t--) {
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Element table = tables.get(t);
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for (Element table : document.select("table")) {
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table.tagName("div");
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for (Element row : table.children()) {
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row.tagName("div");
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// Get rows and caption
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Boolean heading = null;
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Elements rows = new Elements();
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Elements extras = new Elements();
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for (Element child : table.children()) {
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switch (child.tagName()) {
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case "thead":
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case "tbody":
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case "tfoot":
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for (Element sub : child.children())
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if ("tr".equals(sub.tagName())) {
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rows.add(sub);
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if (!"tbody".equals(child.tagName()) &&
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(heading == null || heading))
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for (Element col : sub.children()) {
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heading = "th".equals(col.tagName());
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if (!heading)
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break;
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}
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} else {
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Log.e("Row unexpected tag=" + sub.tagName());
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extras.add(sub);
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}
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break;
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case "tr":
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rows.add(child);
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break;
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default: // caption
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extras.add(child);
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break;
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}
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}
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// Process column spans
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int maxcols = 0;
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for (Element row : rows) {
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int cols = 0;
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for (Element col : row.children()) {
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cols++;
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switch (col.tagName()) {
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case "td":
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break;
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case "th":
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Element strong = new Element("strong");
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for (Node child : new ArrayList<>(col.childNodes())) {
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child.remove();
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strong.appendChild(child);
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}
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col.appendChild(strong);
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break;
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default:
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Log.e("Column unexpected tag=" + col.tagName());
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if (tdebug) {
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col.prependText("COLUMN=" + col.tagName() + "[");
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col.appendText("]");
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}
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col.attr("x-block", "true");
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for (Element col : row.children()) {
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if ("th".equals(col.tagName())) {
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Element strong = new Element("strong");
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for (Node child : new ArrayList<>(col.childNodes())) {
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child.remove();
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strong.appendChild(child);
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}
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String span = col.attr("colspan");
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if (!TextUtils.isEmpty(span))
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try {
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int colspan = Integer.parseInt(span);
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if (colspan > 1)
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for (int s = 1; s < colspan; s++) {
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cols++;
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Element fill = document.createElement("td");
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for (Attribute attr : col.attributes())
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fill.attr(attr.getKey(), attr.getValue());
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if (tdebug)
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fill.prependText("(" + cols + "+" + s + "/" + (colspan - 1) + ")");
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fill.append(" ");
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col.after(fill);
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}
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} catch (NumberFormatException ex) {
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Log.w(ex);
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}
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col.appendChild(strong);
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}
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if (cols > maxcols)
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maxcols = cols;
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String align = col.attr("x-align");
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if (TextUtils.isEmpty(align) ||
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"left".equals(align) ||
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"start".equals(align))
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col.tagName("div").removeAttr("x-block");
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if (col.childNodeSize() > 0 &&
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col.nextElementSibling() != null)
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col.appendText("\u2002"); // ensp
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}
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// Rebuild table
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table.tagName("div");
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table.children().remove(); // leaves nodes
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// Process extras: caption, etc
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for (Element extra : extras) {
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if (tdebug) {
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extra.prependText("EXTRA=" + extra.tagName() + "[");
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extra.appendText("]");
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}
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table.appendChild(extra.tagName("div")
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.attr("x-block", "true"));
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}
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if (heading == null || !heading) {
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// Process rows
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for (Element row : rows) {
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Element line = document.createElement("div")
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.attr("x-block", "true");
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Elements tds = row.children();
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List<Node> merge = new ArrayList<>();
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for (int c = 0; c < tds.size(); c++) {
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Element td = tds.get(c);
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if (c + 1 < tds.size()) // has next column
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if (td.childNodeSize() == 1) {
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Node lonely = td.childNode(0);
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if (lonely instanceof TextNode) {
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merge.add(lonely);
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continue;
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} else if ("img".equals(lonely.nodeName())) {
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lonely.removeAttr("x-block");
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merge.add(lonely);
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continue;
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}
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}
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if (merge.size() > 0) {
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Element merged = document.createElement("div");
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for (Node m : merge)
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merged.appendChild(m).appendText("\u00a0");
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td.prependChild(merged);
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merge.clear();
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}
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line.appendChild(td.tagName("div"));
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}
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if (merge.size() > 0)
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throw new AssertionError("merge=" + merge.size());
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table.appendChild(line);
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if (text_separators && view)
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line.appendElement("hr")
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.attr("x-block", "true")
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.attr("x-dashed", "true");
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}
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} else {
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// Process columns
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for (int c = 0; c < maxcols; c++) {
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Element col = document.createElement("div")
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.attr("x-block", "true");
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int r = 0;
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for (Element row : rows) {
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r++;
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Elements cols = row.children();
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if (c < cols.size()) {
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Element cell = cols.get(c).clone().tagName("div");
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if (tdebug) {
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StringBuilder sb = new StringBuilder();
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sb.append(cols.get(c).tagName() + "=" + cols.get(c).className());
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for (Node node : cols.get(c).childNodes()) {
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sb.append(':');
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if (node instanceof Element)
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sb.append(node.nodeName());
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else if (node instanceof TextNode)
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sb.append("~");
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else
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sb.append(node.getClass().getSimpleName());
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}
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cell.prependText("CELL=" + (t + 1) +
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":" + r + "/" + rows.size() +
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":" + (c + 1) + "/" + maxcols + "/" +
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sb.toString() + "[");
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cell.appendText("]");
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}
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col.appendChild(cell);
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}
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}
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table.appendChild(col);
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if (text_separators && view)
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col.appendElement("hr")
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.attr("x-block", "true")
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.attr("x-dashed", "true");
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}
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}
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if (text_separators && view)
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row.appendElement("hr")
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.attr("x-block", "true")
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.attr("x-dashed", "true");
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}
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}
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// Fix dangling table elements
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document.select("tbody,thead,tfoot,tr,th,td").tagName("div");
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document.select("tr,th,td").tagName("div");
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// Images
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// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img
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