/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* 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.intellij.diff.actions;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.util.Pair;
import org.jetbrains.annotations.NotNull;
import java.util.Iterator;
import static com.intellij.diff.util.DiffUtil.getLineCount;
public class AllLinesIterator implements Iterator<Pair<Integer, CharSequence>> {
@NotNull private final Document myDocument;
private int myLine = 0;
public AllLinesIterator(@NotNull Document document) {
myDocument = document;
}
@Override
public boolean hasNext() {
return myLine < getLineCount(myDocument);
}
@Override
public Pair<Integer, CharSequence> next() {
int offset1 = myDocument.getLineStartOffset(myLine);
int offset2 = myDocument.getLineEndOffset(myLine);
CharSequence text = myDocument.getImmutableCharSequence().subSequence(offset1, offset2);
Pair<Integer, CharSequence> pair = new Pair<>(myLine, text);
myLine++;
return pair;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}