//
// JMustache - A Java implementation of the Mustache templating language
// http://github.com/samskivert/jmustache/blob/master/LICENSE

package com.samskivert.mustache;

/**
 * Defines some standard {@link Mustache.Escaper}s.
 */
public class Escapers
{
    /** Escapes HTML entities. */
    public static final Mustache.Escaper HTML = simple(new String[][] {
        { "&",  "&" },
        { "'",  "'" },
        { "\"", """ },
        { "<",  "&lt;" },
        { ">",  "&gt;" }
    });

    /** An escaper that does no escaping. */
    public static final Mustache.Escaper NONE = new Mustache.Escaper() {
        @Override public String escape (String text) {
            return text;
        }
    };

    /** Returns an escaper that replaces a list of text sequences with canned replacements.
     * @param repls a list of {@code (text, replacement)} pairs. */
    public static Mustache.Escaper simple (final String[]... repls) {
        return new Mustache.Escaper() {
            @Override public String escape (String text) {
                for (String[] escape : repls) {
                    text = text.replace(escape[0], escape[1]);
                }
                return text;
            }
        };
    }
}