1 files changed, 47 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/patch/CharText.java b/java/com/google/gerrit/server/patch/CharText.java
new file mode 100644
index 0000000000..2a0cd2f5c2
--- /dev/null
+++ b/java/com/google/gerrit/server/patch/CharText.java
@@ -0,0 +1,47 @@
+// Copyright (C) 2010 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.patch;
+
+import org.eclipse.jgit.diff.Sequence;
+
+class CharText extends Sequence {
+  private final String content;
+
+  CharText(Text text, int s, int e) {
+    content = text.getString(s, e, false /* keep LF */);
+  }
+
+  char charAt(int idx) {
+    return content.charAt(idx);
+  }
+
+  boolean isLineStart(int b) {
+    return b == 0 || charAt(b - 1) == '\n';
+  }
+
+  boolean contains(int b, int e, char c) {
+    for (; b < e; b++) {
+      if (charAt(b) == c) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  @Override
+  public int size() {
+    return content.length();
+  }
+}