/*
* 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.openapi.model.SNode;
import java.nio.charset.Charset;
/**
* Unit of text generation, corresponds to output file.
* Bears attributes relevant to file, e.g. name, encoding, location keys, etc.
* Tracks inputs that served to populate the unit.
* @author Artem Tikhomirov
* @since 3.3
*/
public interface TextUnit {
@NotNull
String getFileName();
@NotNull
SNode getStartNode();
void generate();
/**
* FIXME decide whether throws exception or return null/empty value if not yet generated.
*/
byte[] getBytes();
/**
* FIXME makes sense for text/string output only. Shall decide whether we keep binary/textual generation separate, or
* combine under single API, and what to do in case of binary file with encoding?
*/
Charset getEncoding();
Status getState();
// State? Initial, Blank, Failure, Valid?
enum Status {
/**
* No attempt to generate has been made yet.
*/
Undefined,
/**
* No outcome after generation
*/
Empty,
/**
* Error during generation
*/
Failed,
/**
* Generated outcome present
*/
Generated,
}
}