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Code Issues Releases Wiki Activity

Remove blank blocks

This commit is contained in:
M66B 2020-11-03 11:12:54 +01:00
parent f23535a19f
commit 2ffb8e50ff
1 changed files with 26 additions and 19 deletions
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45
app/src/main/java/eu/faircode/email/HtmlHelper.java
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@ -77,6 +77,7 @@ import com.steadystate.css.parser.selectors.ClassConditionImpl;
import com.steadystate.css.parser.selectors.ConditionalSelectorImpl;
import com.steadystate.css.parser.selectors.ElementSelectorImpl;
import org.jsoup.internal.StringUtil;
import org.jsoup.nodes.Attribute;
import org.jsoup.nodes.Comment;
import org.jsoup.nodes.Document;
@ -835,26 +836,10 @@ public class HtmlHelper {
// Tables
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/table
for (Element col : document.select("th,td")) {
// Clear blank columns
if (col.childNodeSize() == 1 &&
col.childNode(0) instanceof TextNode) {
boolean blank = true;
String text = ((TextNode) col.childNode(0)).getWholeText();
for (int i = 0; i < text.length(); i++) {
char kar = text.charAt(i);
if (WHITESPACE.indexOf(kar) < 0 && kar != '\u00a0' /* nbsp */) {
blank = false;
break;
}
}
if (blank)
col.html("");
}
// separate columns
if (hasVisibleContent(col.childNodes()))
if (col.nextElementSibling() != null)
col.appendText(" ");
col.append("&nbsp;");
if ("th".equals(col.tagName()))
col.tagName("strong");
@ -1394,9 +1379,15 @@ public class HtmlHelper {
private static boolean hasVisibleContent(List<Node> nodes) {
for (Node node : nodes)
if (node instanceof TextNode && !((TextNode) node).isBlank())
if (node instanceof TextNode) {
String text = ((TextNode) node).getWholeText();
for (int i = 0; i < text.length(); i++) {
char kar = text.charAt(i);
if (!StringUtil.isWhitespace(kar) && kar != '\u00a0' /* nbsp */)
return true;
}
return true;
else if (node instanceof Element) {
} else if (node instanceof Element) {
Element element = (Element) node;
if (element.isBlock())
return false;
@ -2035,6 +2026,22 @@ public class HtmlHelper {
}
}
// Remove blank blocks
boolean blank = true;
for (int i = 0; i < block.size(); i++) {
text = block.get(i).getWholeText();
for (int j = 0; j < text.length(); j++) {
char kar = text.charAt(j);
if (WHITESPACE.indexOf(kar) < 0 && kar != '\u00a0' /* nbsp */) {
blank = false;
break;
}
}
}
if (blank)
for (int i = 0; i < block.size(); i++)
block.get(i).text("");
if (debug) {
if (block.size() > 0) {
TextNode first = block.get(0);