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Code Issues Releases Wiki Activity

Improved auto link

Browse source 
Closes #147
This commit is contained in:
M66B 2019-02-16 21:55:44 +00:00
parent 3062da7605
commit 28fc0d9a18
1 changed files with 20 additions and 9 deletions
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29
app/src/main/java/eu/faircode/email/HtmlHelper.java
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@ -28,6 +28,7 @@ import android.text.Html;
import android.text.Spanned;
import android.text.TextUtils;
import android.util.Base64;
import android.util.Patterns;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
@ -49,7 +50,6 @@ import java.net.URL;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
@ -60,12 +60,11 @@ import static androidx.core.text.HtmlCompat.TO_HTML_PARAGRAPH_LINES_CONSECUTIVE;
public class HtmlHelper {
private static final int PREVIEW_SIZE = 250;
private static Pattern pattern = Pattern.compile("([http|https]+://[\\w\\S(\\.|:|/)]+)");
private static final List<String> heads = Arrays.asList("h1", "h2", "h3", "h4", "h5", "h6", "p", "table", "ol", "ul", "br", "hr");
private static final List<String> tails = Arrays.asList("h1", "h2", "h3", "h4", "h5", "h6", "p", "ol", "ul", "li");
static String sanitize(String html, boolean showQuotes) {
Document document = Jsoup.parse(Jsoup.clean(html, Whitelist
final Document document = Jsoup.parse(Jsoup.clean(html, Whitelist
.relaxed()
.addProtocols("img", "src", "cid")
.addProtocols("img", "src", "data")));
@ -110,14 +109,26 @@ public class HtmlHelper {
@Override
public void head(Node node, int depth) {
if (node instanceof TextNode) {
String text = Html.escapeHtml(((TextNode) node).text());
Matcher matcher = pattern.matcher(text);
TextNode tnode = (TextNode) node;
Element span = document.createElement("span");
int pos = 0;
String text = tnode.text();
Matcher matcher = Patterns.WEB_URL.matcher(text);
while (matcher.find()) {
String ref = matcher.group();
text = text.replace(ref, String.format("<a href=\"%s\">%s</a>", ref, ref));
span.appendText(text.substring(pos, matcher.start()));
Element a = document.createElement("a");
a.attr("href", matcher.group());
a.text(matcher.group());
span.appendChild(a);
pos = matcher.end();
}
node.before(text);
((TextNode) node).text("");
span.appendText(text.substring(pos));
tnode.before(span);
tnode.text("");
}
}