/*
* Copyright 2000-2015 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.util;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import org.jetbrains.annotations.NotNull;
public class LineCol {
// counting from zero
public final int line;
public final int column;
public LineCol(int line) {
this(line, 0);
}
public LineCol(int line, int column) {
this.line = line;
this.column = column;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
LineCol col = (LineCol)o;
if (line != col.line) return false;
if (column != col.column) return false;
return true;
}
@Override
public int hashCode() {
int result = line;
result = 31 * result + column;
return result;
}
@Override
public String toString() {
return String.format("{ line: %s, column: %s }", line, column);
}
@NotNull
public static LineCol fromOffset(@NotNull Document document, int offset) {
int line = document.getLineNumber(offset);
int column = offset - document.getLineStartOffset(line);
return new LineCol(line, column);
}
@NotNull
public static LineCol fromCaret(@NotNull Editor editor) {
return fromOffset(editor.getDocument(), editor.getCaretModel().getOffset());
}
public static int toOffset(@NotNull Document document, @NotNull LineCol linecol) {
return linecol.toOffset(document);
}
public static int toOffset(@NotNull Document document, int line, int col) {
return new LineCol(line, col).toOffset(document);
}
public int toOffset(@NotNull Document document) {
return document.getLineStartOffset(line) + column;
}
public int toOffset(@NotNull Editor editor) {
return toOffset(editor.getDocument());
}
}