package railo.transformer.cfml.evaluator.impl;
import railo.runtime.config.Config;
import railo.runtime.exp.TemplateException;
import railo.runtime.op.Caster;
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;
/**
* Prueft den Kontext des Tag <code>catch</code>.
* Das Tag darf sich nur direkt innerhalb des Tag <code>try</code> befinden.
*/
public final class ProcessingDirective extends EvaluatorSupport {
public TagLib execute(Config config, Tag tag, TagLibTag libTag, FunctionLib[] flibs, Data data) throws TemplateException {
// dot notation
Boolean dotNotationUpperCase = null;
if(tag.containsAttribute("preservecase")) {
Boolean preservecase = ASMUtil.getAttributeBoolean(tag, "preservecase",null);
if(preservecase==null)
throw new TemplateException(data.cfml,"attribute [preserveCase] of the tag [processingdirective] must be a constant boolean value");
dotNotationUpperCase=preservecase.booleanValue()?Boolean.FALSE:Boolean.TRUE;
if(dotNotationUpperCase==data.settings.dotNotationUpper)
dotNotationUpperCase=null;
}
// page encoding
String encoding=null;
if(tag.containsAttribute("pageencoding")) {
encoding=ASMUtil.getAttributeString(tag, "pageencoding",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;
}
}
// execution log
Boolean exeLog=null;
if(tag.containsAttribute("executionlog")) {
String strExeLog=ASMUtil.getAttributeString(tag, "executionlog",null);
exeLog=Caster.toBoolean(strExeLog,null);
if(exeLog==null)
throw new TemplateException(data.cfml,"attribute [executionlog] of the tag [processingdirective] must be a constant boolean value");
if(exeLog.booleanValue()==data.cfml.getWriteLog())
exeLog=null;
}
if(encoding!=null || exeLog!=null || dotNotationUpperCase!=null){
if(encoding==null) encoding=data.cfml.getCharset();
if(exeLog==null)exeLog=data.cfml.getWriteLog()?Boolean.TRUE:Boolean.FALSE;
if(dotNotationUpperCase==null)dotNotationUpperCase=data.settings.dotNotationUpper;
throw new ProcessingDirectiveException(data.cfml,encoding,dotNotationUpperCase,exeLog);
}
return null;
}
}