package org.rythmengine.internal.parser.build_in;
import com.stevesoft.pat.Regex;
import org.rythmengine.internal.*;
import org.rythmengine.internal.parser.CodeToken;
import org.rythmengine.internal.parser.ParserBase;
import org.rythmengine.utils.S;
/**
* Parsing @i18n() directive
*/
public class I18nParser extends KeywordParserFactory {
@Override
public IKeyword keyword() {
return Keyword.I18N;
}
@Override
protected String patternStr() {
return "^((\\n?[ \\t\\x0B\\f]*)%s%s((?@())))";
}
protected static String innerPattern() {
return "^((?@\"\")|(?@''))(\\s*,\\s*(.*))?";
}
@Override
public IParser create(final IContext ctx) {
return new ParserBase(ctx) {
public Token go() {
String remain = remain();
Regex r = reg(dialect());
if (!r.search(remain)) {
raiseParseException("Error parsing @i18n statement. Correct usage: @i18n(\"key\", ...)");
}
final String matched = r.stringMatched();
step(matched.length());
String space = r.stringMatched(2);
ctx.getCodeBuilder().addBuilder(new Token.StringToken(space, ctx));
String s = S.stripBrace(r.stringMatched(1).replace("@i18n", ""));
r = new Regex(innerPattern());
if (r.search(s)) {
// "" or '' present so prefetch String or MessageFormat
String args = r.stringMatched(3);
if (S.empty(args)) {
String k = r.stringMatched(1);
s = "\"" + S.stripQuotation(k) + "\"";
} else {
String k = r.stringMatched(1);
s = "\"" + S.stripQuotation(k) + "\", " + args;
}
}
// cannot pre-resolve, output S.i18n directly
s = String.format("__i18n(%s)", s);
s = ExpressionParser.processPositionPlaceHolder(s);
return new CodeToken(s, ctx()) {
@Override
public void output() {
p("p(").p(s).p(");");
pline();
}
};
}
};
}
public static void main(String[] args) {
String s = "'sss', 1324";
Regex r = new Regex(String.format("^((?@\"\")|(?@''))(\\s*,\\s*(.*))?", "@", "i18n"));
p(s, r);
}
}