/*
* The MIT License
*
* Copyright 2014 Karol Bucek.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.jruby.ext.openssl;
import java.util.List;
import org.jruby.Ruby;
import org.jruby.RubyBasicObject;
import org.jruby.RubyString;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.runtime.builtin.Variable;
/**
* (Ruby) Object support.
*
* @author kares
*/
abstract class ObjectSupport {
@SuppressWarnings("unchecked")
static RubyString inspect(final RubyBasicObject self) {
return inspect(self, (List) self.getInstanceVariableList());
}
static RubyString inspect(final RubyBasicObject self, final List<Variable> variableList) {
final Ruby runtime = self.getRuntime();
return RubyString.newString(runtime, inspect(runtime, self, variableList));
}
private static StringBuilder inspect(final Ruby runtime, final RubyBasicObject self,
final List<Variable> variableList) {
final StringBuilder part = new StringBuilder();
String cname = self.getMetaClass().getRealClass().getName();
part.append("#<").append(cname).append(":0x");
part.append(Integer.toHexString(System.identityHashCode(self)));
if (runtime.isInspecting(self)) {
/* 6:tags 16:addr 1:eos */
part.append(" ...>");
return part;
}
try {
runtime.registerInspecting(self);
final ThreadContext context = runtime.getCurrentContext();
return inspectObj(context, variableList, part);
} finally {
runtime.unregisterInspecting(self);
}
}
private static StringBuilder inspectObj(final ThreadContext context,
final List<Variable> variableList,
final StringBuilder part) {
String sep = "";
for ( final Variable ivar : variableList ) {
part.append(sep).append(' ').append( ivar.getName() ).append('=');
final Object ival = ivar.getValue();
if ( ival instanceof IRubyObject ) {
part.append( ((IRubyObject) ival).callMethod(context, "inspect") );
}
else { // allow the variable to come formatted (as is) already :
part.append( ival ); // ival == null ? "nil" : ival.toString()
}
sep = ",";
}
part.append('>');
return part;
}
}