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A strong typed high performance Java Template engine with .Net Razor like syntax
/**
* Copyright (C) 2013-2016 The Rythm Engine project
* for LICENSE and other details see:
* https://github.com/rythmengine/rythmengine
*/
package org.rythmengine.internal.parser.build_in;
import org.rythmengine.internal.IContext;
import org.rythmengine.internal.IParser;
import org.rythmengine.internal.Keyword;
import org.rythmengine.internal.Token;
import org.rythmengine.internal.parser.CodeToken;
import org.rythmengine.internal.parser.IRemoveLeadingLineBreakAndSpaces;
import org.rythmengine.internal.parser.ParserBase;
import org.rythmengine.utils.TextBuilder;
import com.stevesoft.pat.Regex;
/**
* Created by IntelliJ IDEA.
* User: luog
* Date: 19/02/12
* Time: 5:28 PM
* To change this template use File | Settings | File Templates.
*/
public class DebugParser extends KeywordParserFactory implements IRemoveLeadingLineBreakAndSpaces {
@Override
public Keyword keyword() {
return Keyword.DEBUG;
}
public IParser create(final IContext ctx) {
return new ParserBase(ctx) {
public Token go() {
Regex r = reg(dialect());
if (!r.search(remain())) {
raiseParseException("error parsing @debug, correct usage: @debug(\"msg\", args...)");
}
String matched = r.stringMatched();
step(matched.length());
boolean leadLB = matched.startsWith("\n"), afterLB = matched.endsWith("\n");
if (leadLB || afterLB) {
ctx.getCodeBuilder().addBuilder(new Token.StringToken("\n", ctx));
if (!(leadLB && afterLB)) {
Regex r0 = new Regex("\\n([ \\t\\x0B\\f]*).*");
if (r0.search(matched)) {
String blank = r0.stringMatched(1);
if (blank.length() > 0) {
ctx.getCodeBuilder().addBuilder(new Token.StringToken(blank, ctx));
}
}
}
} else {
Regex r0 = new Regex("([ \\t\\x0B\\f]*).*");
if (r0.search(matched)) {
String blank = r0.stringMatched(1);
if (blank.length() > 0) {
ctx.getCodeBuilder().addBuilder(new Token.StringToken(blank, ctx));
}
}
}
String s = new TextBuilder().p("__logger.debug").p(r.stringMatched(2)).p(";").toString();
return new CodeToken(s, ctx());
}
};
}
@Override
protected String patternStr() {
return "(^\\n?[ \\t\\x0B\\f]*%s%s\\s*((?@()))[\\n]?)";
}
}