net.sourceforge.pmd.lang.velocity.ast.VtlParser Maven / Gradle / Ivy
The newest version!
/*
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.lang.velocity.ast;
import org.checkerframework.checker.nullness.qual.Nullable;
import net.sourceforge.pmd.lang.ast.ParseException;
import net.sourceforge.pmd.lang.ast.impl.javacc.CharStream;
import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccToken;
import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument;
import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument.TokenDocumentBehavior;
import net.sourceforge.pmd.lang.ast.impl.javacc.JjtreeParserAdapter;
/**
* Adapter for the VtlParser.
*/
public class VtlParser extends JjtreeParserAdapter {
private static final TokenDocumentBehavior TOKEN_BEHAVIOR = new TokenDocumentBehavior(VtlTokenKinds.TOKEN_NAMES) {
@Override
public JavaccToken createToken(JavaccTokenDocument self, int kind, CharStream cs, @Nullable String image) {
String realImage = image == null ? cs.getTokenImage() : image;
if (kind == VtlTokenKinds.ESCAPE_DIRECTIVE) {
realImage = escapedDirective(realImage);
}
return super.createToken(self, kind, cs, realImage);
}
private String escapedDirective(String strImage) {
int iLast = strImage.lastIndexOf("\\");
String strDirective = strImage.substring(iLast + 1);
return strImage.substring(0, iLast / 2) + strDirective;
}
};
@Override
protected TokenDocumentBehavior tokenBehavior() {
return TOKEN_BEHAVIOR;
}
@Override
protected ASTTemplate parseImpl(CharStream cs, ParserTask task) throws ParseException {
return new VtlParserImpl(cs).Template().makeTaskInfo(task);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy