package railo.transformer.cfml.evaluator.impl;
import railo.runtime.config.Config;
import railo.runtime.exp.TemplateException;
import railo.transformer.bytecode.statement.tag.Tag;
import railo.transformer.bytecode.util.ASMUtil;
import railo.transformer.cfml.Data;
import railo.transformer.cfml.evaluator.EvaluatorSupport;
import railo.transformer.library.function.FunctionLib;
import railo.transformer.library.tag.TagLib;
import railo.transformer.library.tag.TagLibTag;
public final class PageEncoding extends EvaluatorSupport {
public TagLib execute(Config config, Tag tag, TagLibTag libTag, FunctionLib[] flibs, Data data) throws TemplateException {
// encoding
String encoding=ASMUtil.getAttributeString(tag, "charset",null);
if(encoding==null)
throw new TemplateException(data.cfml,"attribute [pageencoding] of the tag [processingdirective] must be a constant value");
if(encoding.equalsIgnoreCase(data.cfml.getCharset()) || "UTF-8".equalsIgnoreCase(data.cfml.getCharset())) {
encoding=null;
}
//
if(encoding!=null){
throw new ProcessingDirectiveException(data.cfml,encoding,null,data.cfml.getWriteLog());
}
return null;
}
}