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Diffstat (limited to 'app/src/main/java/com/wireguard/android/widget/NameInputFilter.java')
-rw-r--r--app/src/main/java/com/wireguard/android/widget/NameInputFilter.java53
1 files changed, 0 insertions, 53 deletions
diff --git a/app/src/main/java/com/wireguard/android/widget/NameInputFilter.java b/app/src/main/java/com/wireguard/android/widget/NameInputFilter.java
deleted file mode 100644
index 07759a18..00000000
--- a/app/src/main/java/com/wireguard/android/widget/NameInputFilter.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-package com.wireguard.android.widget;
-
-import androidx.annotation.Nullable;
-import android.text.InputFilter;
-import android.text.SpannableStringBuilder;
-import android.text.Spanned;
-
-import com.wireguard.android.model.Tunnel;
-
-/**
- * InputFilter for entering WireGuard configuration names (Linux interface names).
- */
-
-public class NameInputFilter implements InputFilter {
- private static boolean isAllowed(final char c) {
- return Character.isLetterOrDigit(c) || "_=+.-".indexOf(c) >= 0;
- }
-
- public static InputFilter newInstance() {
- return new NameInputFilter();
- }
-
- @Nullable
- @Override
- public CharSequence filter(final CharSequence source,
- final int sStart, final int sEnd,
- final Spanned dest,
- final int dStart, final int dEnd) {
- SpannableStringBuilder replacement = null;
- int rIndex = 0;
- final int dLength = dest.length();
- for (int sIndex = sStart; sIndex < sEnd; ++sIndex) {
- final char c = source.charAt(sIndex);
- final int dIndex = dStart + (sIndex - sStart);
- // Restrict characters to those valid in interfaces.
- // Ensure adding this character does not push the length over the limit.
- if ((dIndex < Tunnel.NAME_MAX_LENGTH && isAllowed(c)) &&
- dLength + (sIndex - sStart) < Tunnel.NAME_MAX_LENGTH) {
- ++rIndex;
- } else {
- if (replacement == null)
- replacement = new SpannableStringBuilder(source, sStart, sEnd);
- replacement.delete(rIndex, rIndex + 1);
- }
- }
- return replacement;
- }
-}