/*
* Copyright (C) 2013 The Rythm Engine project
* Gelin Luo <greenlaw110(at)gmail.com>
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.rythmengine.internal.parser.build_in;
import org.rythmengine.exception.ParseException;
import org.rythmengine.internal.IBlockHandler;
import org.rythmengine.internal.IContext;
import org.rythmengine.internal.Token;
import org.rythmengine.internal.parser.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class BlockCloseParser extends ParserBase {
private static final String PTN = "([\\}]?%s[\\}\\s\\n\\>\\]]).*";
private static final String PTN2 = "((\\}%s|%s\\}|\\})([ \\t\\x0B\\f]*\\{?[ \\t\\x0B\\f]*\\n?)).*";
public BlockCloseParser(IContext context) {
super(context);
}
@Override
public Token go() {
IContext ctx = ctx();
IBlockHandler bh = ctx.currentBlock();
if (null == bh) return null;
String remain = remain();
String s;
if ("@".equals(remain)) {
s = remain;
} else {
Pattern p = Pattern.compile(String.format(PTN2, a(), a(), a()), Pattern.DOTALL);
Matcher m = p.matcher(remain);
if (!m.matches()) {
p = Pattern.compile(String.format(PTN, a()), Pattern.DOTALL);
m = p.matcher(remain);
if (!m.matches()) {
return null;
}
}
s = m.group(1);
}
// keep ">" or "]" for case like <a id=".." @if (...) class="error" @>
if (s.endsWith(">") || s.endsWith("]") || s.endsWith("\n")) s = s.substring(0, s.length() - 1);
ctx.step(s.length());
boolean hasLineBreak = s.contains("\\n") || s.contains("\\r");
try {
s = ctx.closeBlock();
if (hasLineBreak) s = s + "\n"; // fix #53
} catch (ParseException e) {
throw new RuntimeException(e);
}
CodeToken ct = new CodeToken(s, ctx);
if (!(bh instanceof BlockToken.LiteralBlock)) {
String bhCls = bh.getClass().getName();
if (bhCls.contains("ForEach") || bhCls.contains("ElseFor") || bhCls.contains("Assign")) {
ctx.getCodeBuilder().removeSpaceTillLastLineBreak(ctx);
ct.removeNextLineBreak = true;
} else {
ctx.getCodeBuilder().removeSpaceToLastLineBreak(ctx);
}
}
return ct;
}
}