/**
* 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 com.stevesoft.pat.Regex;
import org.rythmengine.internal.*;
import org.rythmengine.internal.parser.ParserBase;
import org.rythmengine.utils.S;
import java.util.regex.Matcher;
/**
* Parse @invoke("tagname", ...) {body}
*/
public class InvokeParser extends KeywordParserFactory {
@Override
public IKeyword keyword() {
return Keyword.INVOKE;
}
@Override
protected String patternStr() {
return "(^\\n?[ \\t\\x0B\\f]*%s(%s\\s*((?@()))\\s*)((\\.([_a-zA-Z][_a-zA-Z0-9]*)((?@())))*))";
}
@Override
public IParser create(final IContext ctx) {
return new ParserBase(ctx) {
@Override
public Token go() {
Regex r = reg(dialect());
if (!r.search(remain())) {
raiseParseException("Error parsing @invoke statement. Correct usage: @invoke(\"tagname\", ...)");
}
final String matched = r.stringMatched();
if (matched.startsWith("\n") || matched.endsWith("\n")) {
ctx.getCodeBuilder().addBuilder(new Token.StringToken("\n", ctx));
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));
}
}
}
int len = matched.length();
if (matched.endsWith("\n")) {
len--;
}
step(len);
//boolean ignoreNonExistsTag = matched.indexOf("ignoreNonExistsTag") != -1;
String invocation = r.stringMatched(3);
invocation = S.stripBrace(invocation);
// get tag name
int pos = invocation.indexOf(",");
String tagName, params;
if (-1 == pos) {
tagName = invocation;
params = "";
} else {
tagName = invocation.substring(0, pos);
params = invocation.substring(pos + 1);
}
String s = remain();
Matcher m0 = InvokeTemplateParser.P_HEREDOC_SIMBOL.matcher(s);
Matcher m1 = InvokeTemplateParser.P_STANDARD_BLOCK.matcher(s);
if (m0.matches()) {
Token tb = InvokeTemplateParser.InvokeTagWithBodyToken.dynamicTagToken(tagName, params, r.stringMatched(4), ctx());
ctx().step(m0.group(1).length());
return tb;
} else if (m1.matches()) {
Token tb = InvokeTemplateParser.InvokeTagWithBodyToken.dynamicTagToken(tagName, params, r.stringMatched(4), ctx());
ctx().step(m1.group(1).length());
return tb;
} else {
return InvokeTemplateParser.InvokeTagWithBodyToken.dynamicTagToken(tagName, params, r.stringMatched(4), ctx());
}
}
};
}
}