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Core compiler artifact for the ASTRA Language

There is a newer version: 1.4.3

package astra.ast.visitor;

import astra.ast.core.ASTRAClassElement;
import astra.ast.core.ParseException;

public class Utilities {
	public static boolean validatePackageAndClassName(ASTRAClassElement element, String source) 
			throws ParseException {
		String pkg = ""; 
		String nme = source; 
		
		int index = source.lastIndexOf('/');
		if (index > -1) {
			if (index > 1) {
				pkg = source.substring(0, index).replace('/', '.');
				nme = source.substring(index+1);
			} else {
				pkg = "";
				nme = source;
			}
		}

		if (nme.lastIndexOf('.') > -1) {
			if (nme.substring(nme.lastIndexOf('.')).equalsIgnoreCase(".astra"))
				nme = nme.substring(0, nme.lastIndexOf('.'));
			else {
				pkg = nme.substring(0, nme.lastIndexOf('.'));
				nme = nme.substring(nme.lastIndexOf('.')+1);
			}
		}
		
		if (!pkg.equals(element.packageElement().packageName())) {
			throw new ParseException("Package name does not match location: expected: " + 
					(pkg.equals("") ? "DEFAULT PACKAGE":pkg) + " but got: " + 
					element.packageElement().packageName(), element); 
		}
		if (!nme.equals(element.getClassDeclaration().name())) {
			throw new ParseException("ASTRA class name: " + 
						element.getClassDeclaration().name() + 
						" does not match file name: " + nme, element.getClassDeclaration()); 
		}
		return true;
	}

	public static String escapeForJava( String value, boolean quote )
	{
		StringBuilder builder = new StringBuilder();
		if( quote )
			builder.append( "\"" );
		for( char c : value.toCharArray() )
		{
			if( c == '\'' )
				builder.append( "\\'" );
			else if ( c == '\"' )
				builder.append( "\\\"" );
			else if( c == '\r' )
				builder.append( "\\r" );
			else if( c == '\n' )
				builder.append( "\\n" );
			else if( c == '\t' )
				builder.append( "\\t" );
			else if( c < 32 || c >= 127 )
				builder.append( String.format( "\\u%04x", (int)c ) );
			else
				builder.append( c );
		}
		if( quote )
			builder.append( "\"" );
		return builder.toString();
	}
}