javax0.geci.jamal.macros.Cap Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of javageci-jamal Show documentation

Javageci jamal macro library

There is a newer version: 1.6.5

package javax0.geci.jamal.macros;

import javax0.jamal.api.BadSyntax;
import javax0.jamal.api.Input;
import javax0.jamal.api.Macro;
import javax0.jamal.api.Processor;

import static javax0.jamal.tools.InputHandler.skipWhiteSpaces;

/**
 * Upper case the fist character of the input. This is an auxiliary macro defined here to help avoid unneded dependency
 * on any other macro library.
 */
public class Cap implements Macro {
    @Override
    public String evaluate(Input in, Processor processor) throws BadSyntax {
        skipWhiteSpaces(in);
        final var sb = in.getSB();
        if (sb.length() > 0) {
            sb.setCharAt(0, Character.toUpperCase(sb.charAt(0)));
        }
        return sb.toString();
    }
}