package br.com.caelum.tubaina.builder;
import java.util.ArrayList;
import java.util.List;
import br.com.caelum.tubaina.Chapter;
import br.com.caelum.tubaina.Chunk;
import br.com.caelum.tubaina.TubainaException;
import br.com.caelum.tubaina.builder.replacer.Replacer;
public class ChunksMaker {
private final List<Replacer> replacers = new ArrayList<Replacer>();
public List<Chunk> make(String text) {
List<Chunk> chunks = new ArrayList<Chunk>();
while (text.trim().length() != 0) {
boolean accepted = false;
for (Replacer replacer : replacers) {
if(replacer.accepts(text)) {
text = replacer.execute(text, chunks);
accepted = true;
break;
}
}
if (!accepted)
throw new TubainaException("There is a syntax error on chapter "+ Chapter.getChaptersCount() +
": Probably, there is some text inside an exercise tag, but outside a question tag");
}
return chunks;
}
public void register(Replacer replacer) {
this.replacers.add(replacer);
}
}