/*
* Copyright 2003-2015 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 jetbrains.mps.text;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.annotations.Immutable;
/**
* @author Artem Tikhomirov
*/
public interface BufferSnapshot {
/**
* @return 0-based positions of mark start within buffer text
*/
@NotNull
TextPosition getStart(@NotNull TextMark mark);
/**
* @return 0-based positions of mark end within buffer text
*/
@NotNull
TextPosition getEnd(@NotNull TextMark mark);
/**
* @return marked text chunk
*/
@NotNull
CharSequence getText(@NotNull TextMark mark);
/**
* @return buffer text
*/
@NotNull
CharSequence getText();
/**
* XXX TextLocation?
*/
@Immutable
final class TextPosition {
public final int line;
public final int column;
public TextPosition(int line, int column) {
this.line = line;
this.column = column;
}
}
}