manifold.preprocessor.statement.SourceStatement Maven / Gradle / Ivy
/*
* Copyright (c) 2019 - Manifold Systems LLC
*
* 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 manifold.preprocessor.statement;
import java.util.List;
import manifold.preprocessor.definitions.Definitions;
import manifold.preprocessor.TokenType;
public class SourceStatement extends Statement
{
public SourceStatement( TokenType tokenType, int start, int end )
{
super( tokenType, start, end );
}
@Override
public void execute( StringBuilder result, CharSequence source, boolean visible, Definitions definitions )
{
if( visible )
{
result.append( source.subSequence( getTokenStart(), getTokenEnd() ) );
}
else if( getTokenType() == TokenType.Whitespace ||
getTokenType() == TokenType.BlockComment ||
getTokenType() == TokenType.LineComment ||
getTokenType() == TokenType.TextBlock )
{
preserveNewLines( result, source );
}
}
private void preserveNewLines( StringBuilder result, CharSequence source )
{
for( int i = getTokenStart(); i < getTokenEnd(); i++ )
{
char c = source.charAt( i );
if( c == '\r' || c == '\n' || c == '\f' )
{
result.append( c );
}
}
}
@Override
public void execute( List result, boolean visible, Definitions definitions )
{
if( visible )
{
result.add( this );
}
}
@Override
public boolean hasPreprocessorDirectives()
{
return false;
}
}