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FairEmail
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Code Issues Projects Releases Wiki Activity

Experiment: remove conditional HTML

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pull/172/head
M66B 5 years ago
parent 8208709840
commit a812f52e80
1 changed files with 28 additions and 0 deletions
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28
app/src/main/java/eu/faircode/email/HtmlHelper.java
Unescape View File

@ -43,12 +43,14 @@ import androidx.core.util.PatternsCompat;
import androidx.preference.PreferenceManager; import androidx.preference.PreferenceManager;
import org.jsoup.nodes.Attribute; import org.jsoup.nodes.Attribute;
import org.jsoup.nodes.Comment;
import org.jsoup.nodes.Document; import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element; import org.jsoup.nodes.Element;
import org.jsoup.nodes.Node; import org.jsoup.nodes.Node;
import org.jsoup.nodes.TextNode; import org.jsoup.nodes.TextNode;
import org.jsoup.safety.Cleaner; import org.jsoup.safety.Cleaner;
import org.jsoup.safety.Whitelist; import org.jsoup.safety.Whitelist;
import org.jsoup.select.NodeFilter;
import org.jsoup.select.NodeTraversor; import org.jsoup.select.NodeTraversor;
import org.jsoup.select.NodeVisitor; import org.jsoup.select.NodeVisitor;
@ -257,6 +259,32 @@ public class HtmlHelper {
Document parsed = JsoupEx.parse(html); Document parsed = JsoupEx.parse(html);
// <!--[if ...]><!--> ... <!--<![endif]-->
if (!display_hidden && BuildConfig.DEBUG)
parsed.filter(new NodeFilter() {
private boolean remove = false;
@Override
public FilterResult head(Node node, int depth) {
if (node instanceof Comment) {
String data = ((Comment) node).getData().trim();
if (data.startsWith("[if") && !data.endsWith("endif]")) {
remove = true;
return FilterResult.REMOVE;
} else if (remove && data.endsWith("endif]")) {
remove = false;
return FilterResult.REMOVE;
}
}
return (remove ? FilterResult.REMOVE : FilterResult.CONTINUE);
}
@Override
public FilterResult tail(Node node, int depth) {
return FilterResult.CONTINUE;
}
});
// <html xmlns:v="urn:schemas-microsoft-com:vml" // <html xmlns:v="urn:schemas-microsoft-com:vml"
// xmlns:o="urn:schemas-microsoft-com:office:office" // xmlns:o="urn:schemas-microsoft-com:office:office"
// xmlns:w="urn:schemas-microsoft-com:office:word" // xmlns:w="urn:schemas-microsoft-com:office:word"

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