com.igormaznitsa.jcp.directives.OutNameDirectiveHandler Maven / Gradle / Ivy

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Powerful multi-pass preprocessor to process directives situated in C-styled commentaries

There is a newer version: 7.1.2

/* 
 * Copyright 2014 Igor Maznitsa (http://www.igormaznitsa.com).
 *
 * 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.igormaznitsa.jcp.directives;

import javax.annotation.Nonnull;

import com.igormaznitsa.jcp.context.JCPSpecialVariableProcessor;
import com.igormaznitsa.jcp.context.PreprocessorContext;
import com.igormaznitsa.jcp.expression.Expression;
import com.igormaznitsa.jcp.expression.Value;

/**
 * The class implements the //#outname directive handler
 *
 * @author Igor Maznitsa ([email protected])
 */
public class OutNameDirectiveHandler extends AbstractDirectiveHandler {

  @Override
  @Nonnull
  public String getName() {
    return "outname";
  }

  @Override
  @Nonnull
  public String getReference() {
    return "change result file name (works like change \'" + JCPSpecialVariableProcessor.VAR_DEST_FILE_NAME+"\')";
  }

  @Override
  @Nonnull
  public DirectiveArgumentType getArgumentType() {
    return DirectiveArgumentType.STRING;
  }

  @Override
  @Nonnull
  public AfterDirectiveProcessingBehaviour execute(@Nonnull final String string, @Nonnull final PreprocessorContext context) {
    final Value fileName = Expression.evalExpression(string, context);
    final String fileNameAsStr = fileName.toString();
    if (context.isVerbose()){
      context.logForVerbose("Change result file name to '"+fileNameAsStr+"\'");
    }
    context.getPreprocessingState().getRootFileInfo().setDestinationName(fileNameAsStr);
    return AfterDirectiveProcessingBehaviour.PROCESSED;
  }
}