jolie.lang.parse.context.URIParsingContext Maven / Gradle / Ivy
/***************************************************************************
* Copyright 2010-2016 (C) by Fabrizio Montesi *
* Copyright (C) 2021-2022 Vicki Mixen *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* For details about the authors of this software, see the AUTHORS file. *
***************************************************************************/
package jolie.lang.parse.context;
import java.net.URI;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.InvalidPathException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import jolie.lang.Constants;
/**
* A very simple {@code ParsingContext} based upon an URI.
*
* @author Fabrizio Montesi
*/
public class URIParsingContext implements ParsingContext {
private static final long serialVersionUID = Constants.serialVersionUID();
private final URI uri;
private final List< String > code;
private final int startColumn;
private final int endColumn;
private final int startLine;
private final int endLine;
public static final URIParsingContext DEFAULT =
new URIParsingContext( URI.create( "urn:undefined" ), 0, 0, 0, 0, List.of() );
/**
* URIParsingContext contructor. startLine, endLine, startColumn, endColumn indicate which part of
* the source code in the source of the uri we are looking at, and the list code may contain the
* indicated code
*
* @param uri
* @param startLine
* @param endLine
* @param startColumn
* @param endColumn
* @param code
*/
public URIParsingContext( URI uri, int startLine, int endLine, int startColumn, int endColumn,
List< String > code ) {
this.uri = uri;
this.startColumn = startColumn; // The number character in line, where error occured
this.endColumn = endColumn;
this.code = code; // this is the line(s) in the file where the error occured
this.startLine = startLine;
this.endLine = endLine;
}
/**
* returns the uri
*/
@Override
public URI source() {
return uri;
}
/**
* returns the file name of the uri
*/
@Override
public String sourceName() {
try {
Path path = Paths.get( uri );
return path.toString();
} catch( InvalidPathException | FileSystemNotFoundException e ) {
return uri.toString();
}
}
/**
* returns the startLine
*/
@Override
public int startLine() {
return startLine;
}
/**
* returns the endLine
*/
@Override
public int endLine() {
return endLine;
}
/**
* returns the startColumn
*/
@Override
public int startColumn() {
return startColumn;
}
/**
* returns the endColumn
*/
@Override
public int endColumn() {
return endColumn;
}
/**
* returns the code which the URIParsingContext points at as a List of strings
*/
@Override
public List< String > enclosingCode() {
return code;
}
/**
* returns the code which the URIParsingContext points at as a List of strings, and has the correct
* line numbers on each line as well
*/
@Override
public List< String > enclosingCodeWithLineNumbers() {
int i = startLine;
List< String > linesWithNumbers = new ArrayList<>();
for( String line : code ) {
String newLine = i + 1 + ":" + line;
linesWithNumbers.add( newLine );
i++;
}
return linesWithNumbers;
}
/**
* toString method, for easy printing
*/
@Override
public String toString() {
String contextString = "";
contextString += "source: " + uri + "\n";
contextString += "startLine: " + startLine + "\n";
contextString += "endLine: " + endLine + "\n";
contextString += "startColumn: " + startColumn + "\n";
contextString += "endColumn: " + endColumn + "\n";
contextString += "enclosingCode:\n" + enclosingCode() + "\n";
contextString += "enclosingCodeWithLineNumer:\n" + enclosingCodeWithLineNumbers() + "\n";
return contextString;
}
}