Java Parser类代码示例

import ch.njol.skript.classes.Parser; //导入依赖的package包/类
/**
 * Parses without trying to convert anything.
 * <p>
 * Can log an error xor other log messages.
 * 
 * @param s
 * @param c
 * @return The parsed object
 */
@Nullable
public static <T> T parseSimple(final String s, final Class<T> c, final ParseContext context) {
	final ParseLogHandler log = SkriptLogger.startParseLogHandler();
	try {
		for (final ClassInfo<?> info : getClassInfos()) {
			final Parser<?> parser = info.getParser();
			if (parser == null || !parser.canParse(context) || !c.isAssignableFrom(info.getC()))
				continue;
			log.clear();
			@SuppressWarnings("unchecked")
			final T t = (T) parser.parse(s, context);
			if (t != null) {
				log.printLog();
				return t;
			}
		}
		log.printError();
	} finally {
		log.stop();
	}
	return null;
}
 

import ch.njol.skript.classes.Parser; //导入依赖的package包/类
private static void checkVariableConflicts(final String name, final StringMode mode, final @Nullable Iterable<Object> string) {
	if (mode != StringMode.VARIABLE_NAME || variableNames.containsKey(name))
		return;
	if (name.startsWith("%")) {// inside the if to only print this message once per variable
		final Config script = ScriptLoader.currentScript;
		if (script != null)
			Skript.warning("Starting a variable's name with an expression is discouraged ({" + name + "}). You could prefix it with the script's name: {" + StringUtils.substring(script.getFileName(), 0, -3) + "." + name + "}");
	}
	
	final Pattern pattern;
	if (string != null) {
		final StringBuilder p = new StringBuilder();
		stringLoop: for (final Object o : string) {
			if (o instanceof Expression) {
				for (final ClassInfo<?> ci : Classes.getClassInfos()) {
					final Parser<?> parser = ci.getParser();
					if (parser != null && ci.getC().isAssignableFrom(((Expression<?>) o).getReturnType())) {
						p.append("(?!%)" + parser.getVariableNamePattern() + "(?<!%)");
						continue stringLoop;
					}
				}
				p.append("[^%*](.*[^%*])?"); // [^*] to not report {var::%index%}/{var::*} as conflict
			} else {
				p.append(Pattern.quote(o.toString()));
			}
		}
		pattern = Pattern.compile(p.toString());
	} else {
		pattern = Pattern.compile(Pattern.quote(name));
	}
	if (!SkriptConfig.disableVariableConflictWarnings.value()) {
		for (final Entry<String, Pattern> e : variableNames.entrySet()) {
			if (e.getValue().matcher(name).matches() || pattern.matcher(e.getKey()).matches()) {
				Skript.warning("Possible name conflict of variables {" + name + "} and {" + e.getKey() + "} (there might be more conflicts).");
				break;
			}
		}
	}
	variableNames.put(name, pattern);
}
 

import ch.njol.skript.classes.Parser; //导入依赖的package包/类
public Option(final String key, final T defaultValue) {
	this.key = "" + key.toLowerCase(Locale.ENGLISH);
	this.defaultValue = defaultValue;
	parsedValue = defaultValue;
	@SuppressWarnings("unchecked")
	final Class<T> c = (Class<T>) defaultValue.getClass();
	if (c == String.class) {
		parser = new Converter<String, T>() {
			@SuppressWarnings("unchecked")
			@Override
			public T convert(final String s) {
				return (T) s;
			}
		};
	} else {
		final ClassInfo<T> ci = Classes.getExactClassInfo(c);
		final Parser<? extends T> p;
		if (ci == null || (p = ci.getParser()) == null)
			throw new IllegalArgumentException(c.getName());
		this.parser = new Converter<String, T>() {
			@Override
			@Nullable
			public T convert(final String s) {
				final T t = p.parse(s, ParseContext.CONFIG);
				if (t != null)
					return t;
				Skript.error("'" + s + "' is not " + ci.getName().withIndefiniteArticle());
				return null;
			}
		};
	}
}
 

import ch.njol.skript.classes.Parser; //导入依赖的package包/类
public <T> SectionValidator addEntry(final String name, final Parser<? extends T> parser, final Setter<T> setter, final boolean optional) {
	addNode(name, new ParsedEntryValidator<T>(parser, setter), optional);
	return this;
}
 

import ch.njol.skript.classes.Parser; //导入依赖的package包/类
public ParsedEntryValidator(final Parser<? extends T> parser, final Setter<T> setter) {
	assert parser != null;
	assert setter != null;
	this.parser = parser;
	this.setter = setter;
}