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FairEmail
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Autolink on send

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pull/196/head
M66B 5 years ago
parent fecd64c25c
commit 772eeb6400
2 changed files with 94 additions and 89 deletions
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181
app/src/main/java/eu/faircode/email/HtmlHelper.java
Unescape View File

@ -1010,95 +1010,8 @@ public class HtmlHelper {
}
// Autolink
if (view) {
// https://en.wikipedia.org/wiki/List_of_URI_schemes
// xmpp:[<user>]@<host>[:<port>]/[<resource>][?<query>]
// geo:<lat>,<lon>[,<alt>][;u=<uncertainty>]
// tel:<phonenumber>
final Pattern pattern = Pattern.compile(
"(((?i:mailto):)?" + PatternsCompat.AUTOLINK_EMAIL_ADDRESS.pattern() + ")|" +
PatternsCompat.AUTOLINK_WEB_URL.pattern()
.replace("(?i:http|https|rtsp)://",
"(((?i:http|https)://)|((?i:xmpp):))") + "|" +
"(?i:geo:\\d+,\\d+(,\\d+)?(;u=\\d+)?)|" +
"(?i:tel:" + Patterns.PHONE.pattern() + ")");
NodeTraversor.traverse(new NodeVisitor() {
private int links = 0;
@Override
public void head(Node node, int depth) {
if (links < MAX_AUTO_LINK && node instanceof TextNode) {
TextNode tnode = (TextNode) node;
String text = tnode.getWholeText();
Matcher matcher = pattern.matcher(text);
if (matcher.find()) {
Element span = document.createElement("span");
int pos = 0;
do {
boolean linked = false;
Node parent = tnode.parent();
while (parent != null) {
if ("a".equals(parent.nodeName())) {
linked = true;
break;
}
parent = parent.parent();
}
String group = matcher.group();
int start = matcher.start();
int end = matcher.end();
// Workarounds
if (group.endsWith(".")) {
end--;
group = group.substring(0, group.length() - 1);
}
if (group.startsWith("(")) {
start++;
group = group.substring(1);
}
if (group.endsWith(")")) {
end--;
group = group.substring(0, group.length() - 1);
}
boolean email = group.contains("@") && !group.contains(":");
Log.d("Web url=" + group + " " + start + "..." + end + "/" + text.length() +
" linked=" + linked + " email=" + email + " count=" + links);
if (linked)
span.appendText(text.substring(pos, end));
else {
span.appendText(text.substring(pos, start));
Element a = document.createElement("a");
a.attr("href", (email ? "mailto:" : "") + group);
a.text(group);
span.appendChild(a);
links++;
}
pos = end;
} while (links < MAX_AUTO_LINK && matcher.find());
span.appendText(text.substring(pos));
tnode.before(span);
tnode.text("");
}
}
}
@Override
public void tail(Node node, int depth) {
}
}, document);
}
if (view)
autoLink(document);
// Selective new lines
for (Element div : document.select("div"))
@ -1117,6 +1030,96 @@ public class HtmlHelper {
return document;
}
static void autoLink(Document document) {
// https://en.wikipedia.org/wiki/List_of_URI_schemes
// xmpp:[<user>]@<host>[:<port>]/[<resource>][?<query>]
// geo:<lat>,<lon>[,<alt>][;u=<uncertainty>]
// tel:<phonenumber>
final Pattern pattern = Pattern.compile(
"(((?i:mailto):)?" + PatternsCompat.AUTOLINK_EMAIL_ADDRESS.pattern() + ")|" +
PatternsCompat.AUTOLINK_WEB_URL.pattern()
.replace("(?i:http|https|rtsp)://",
"(((?i:http|https)://)|((?i:xmpp):))") + "|" +
"(?i:geo:\\d+,\\d+(,\\d+)?(;u=\\d+)?)|" +
"(?i:tel:" + Patterns.PHONE.pattern() + ")");
NodeTraversor.traverse(new NodeVisitor() {
private int links = 0;
@Override
public void head(Node node, int depth) {
if (links < MAX_AUTO_LINK && node instanceof TextNode) {
TextNode tnode = (TextNode) node;
String text = tnode.getWholeText();
Matcher matcher = pattern.matcher(text);
if (matcher.find()) {
Element span = document.createElement("span");
int pos = 0;
do {
boolean linked = false;
Node parent = tnode.parent();
while (parent != null) {
if ("a".equals(parent.nodeName())) {
linked = true;
break;
}
parent = parent.parent();
}
String group = matcher.group();
int start = matcher.start();
int end = matcher.end();
// Workarounds
if (group.endsWith(".")) {
end--;
group = group.substring(0, group.length() - 1);
}
if (group.startsWith("(")) {
start++;
group = group.substring(1);
}
if (group.endsWith(")")) {
end--;
group = group.substring(0, group.length() - 1);
}
boolean email = group.contains("@") && !group.contains(":");
Log.d("Web url=" + group + " " + start + "..." + end + "/" + text.length() +
" linked=" + linked + " email=" + email + " count=" + links);
if (linked)
span.appendText(text.substring(pos, end));
else {
span.appendText(text.substring(pos, start));
Element a = document.createElement("a");
a.attr("href", (email ? "mailto:" : "") + group);
a.text(group);
span.appendChild(a);
links++;
}
pos = end;
} while (links < MAX_AUTO_LINK && matcher.find());
span.appendText(text.substring(pos));
tnode.before(span);
tnode.text("");
}
}
}
@Override
public void tail(Node node, int depth) {
}
}, document);
}
static void normalizeNamespaces(Document parsed, boolean display_hidden) {
// <html xmlns:v="urn:schemas-microsoft-com:vml"
// xmlns:o="urn:schemas-microsoft-com:office:office"

2
app/src/main/java/eu/faircode/email/MessageHelper.java
Unescape View File

@ -623,6 +623,8 @@ public class MessageHelper {
// When sending message
if (identity != null && send) {
HtmlHelper.autoLink(document);
for (Element child : document.body().children())
if (!TextUtils.isEmpty(child.text()) &&
TextUtils.isEmpty(child.attr("fairemail"))) {

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