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package bjc.rgens.parser.elements;
import bjc.rgens.parser.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public abstract class RuleCaseElement extends StringCaseElement {
public static enum ReferenceType {
DEPENDENT,
VARIABLE,
NORMAL
}
public final ReferenceType ref;
protected RuleCaseElement(String vl, ReferenceType ref) {
super(vl, false);
this.ref = ref;
}
protected void doGenerate(String actName, GenerationState state) {
GenerationState newState = state.newBuf();
if (actName.startsWith("[^")) {
actName = "[" + actName.substring(2);
RGrammar dst = state.importRules.get(actName);
newState.swapGrammar(dst);
/* :Postprocessing */
newState.contents = new StringBuilder(dst.generate(actName, state.rnd, state.vars));
} else if (state.rules.containsKey(actName)) {
RuleCase cse = state.rules.get(actName).getCase(state.rnd);
state.gram.generateCase(cse, newState);
} else if (state.importRules.containsKey(actName)) {
RGrammar dst = state.importRules.get(actName);
newState.swapGrammar(dst);
/* :Postprocessing */
newState.contents = new StringBuilder(dst.generate(actName, state.rnd, state.vars));
} else {
/*
* @TODO 5/29/18 Ben Culkin :RuleSuggesting
*
* Re-get this working again.
*/
/*
if (ruleSearcher != null) {
Set<Match<? extends String>> results = ruleSearcher.search(actName, MAX_DISTANCE);
String[] resArray = results.stream().map(Match::getMatch).toArray((i) -> new String[i]);
String msg = String.format("No rule '%s' defined (perhaps you meant %s?)", actName,
StringUtils.toEnglishList(resArray, false));
throw new GrammarException(msg);
}
*/
String msg = String.format("No rule '%s' defined", actName);
throw new GrammarException(msg);
}
String res = newState.contents.toString();
if (actName.contains("+")) {
/* Rule names with pluses in them get space-flattened */
state.contents.append(res.replaceAll("\\s+", ""));
} else {
state.contents.append(res);
}
}
}
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