/* * 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; /** * Factory for {@link TextArea}, tracks parameters of text chunks essential to process them, but that we don't want to expose in {@link TextArea} interface. * * @author Artem Tikhomirov * @since 3.3 */ public interface TextAreaFactory { /** * @return new instance of {@link TextArea}. */ @NotNull TextArea create(); /** * Although this might be attribute of {@link TextArea} itself, I'd like to keep {@link TextArea} interface focused on append/indent operations only. * @return line separator {@link TextArea} instances coming from this factory use. */ @NotNull String getLineSeparator(); /** * @param area instance earlier obtained from {@link #create()}. * @return present textual content of the text chunk. */ @NotNull CharSequence value(@NotNull TextArea area); }