// 
// Decompiled by Procyon v0.6.0
// 

package ch.randelshofer.fastdoubleparser.chr;

import java.util.Set;

final class CharTrieOfOne implements CharTrie
{
    private final char[] chars;
    
    public CharTrieOfOne(final Set<String> set) {
        if (set.size() != 1) {
            throw new IllegalArgumentException("set size must be 1, size=" + set.size());
        }
        this.chars = set.iterator().next().toCharArray();
    }
    
    public CharTrieOfOne(final char[] chars) {
        this.chars = chars;
    }
    
    @Override
    public int match(final CharSequence str) {
        return this.match(str, 0, str.length());
    }
    
    @Override
    public int match(final CharSequence str, final int startIndex, final int endIndex) {
        int i = 0;
        for (int limit = Math.min(endIndex - startIndex, this.chars.length); i < limit && str.charAt(i + startIndex) == this.chars[i]; ++i) {}
        return (i == this.chars.length) ? this.chars.length : 0;
    }
    
    @Override
    public int match(final char[] str) {
        return this.match(str, 0, str.length);
    }
    
    @Override
    public int match(final char[] str, final int startIndex, final int endIndex) {
        int i = 0;
        for (int limit = Math.min(endIndex - startIndex, this.chars.length); i < limit && str[i + startIndex] == this.chars[i]; ++i) {}
        return (i == this.chars.length) ? this.chars.length : 0;
    }
}