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/*
* Copyright 2000-2014 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.openapi.editor;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class ClipboardTextPerCaretSplitter {
public List<String> split(String input, int caretCount) {
if (caretCount <= 0) {
throw new IllegalArgumentException("Caret count must be positive");
}
if (caretCount == 1) {
return Collections.singletonList(input);
}
List<String> result = new ArrayList<String>(caretCount);
String[] lines = input.split("\n", -1);
for (int i = 0; i < caretCount; i++) {
if (lines.length == 0) {
result.add("");
}
else if (lines.length == 1) {
result.add(lines[0]);
}
else if (lines.length % caretCount == 0) {
StringBuilder b = new StringBuilder();
int linesPerSegment = lines.length / caretCount;
for (int j = 0; j < linesPerSegment; j++) {
if (j > 0) {
b.append('\n');
}
b.append(lines[i * linesPerSegment + j]);
}
result.add(b.toString());
}
else {
result.add(i < lines.length ? lines[i] : "");
}
}
return result;
}
}
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