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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
namespace IceInternal
{
using System.Collections;
using System.Diagnostics;
using System.Reflection;
using IceUtilInternal;
public sealed class ValueWriter
{
public static void write(object obj, OutputBase output)
{
writeValue(null, obj, null, output);
}
private static void writeValue(string name, object val, Hashtable objectTable, OutputBase output)
{
if(val == null)
{
writeName(name, output);
output.print("(null)");
}
else
{
System.Type c = val.GetType();
if(c.Equals(typeof(byte)) || c.Equals(typeof(short)) || c.Equals(typeof(int)) ||
c.Equals(typeof(long)) || c.Equals(typeof(double)) || c.Equals(typeof(float)) ||
c.Equals(typeof(bool)))
{
writeName(name, output);
output.print(val.ToString());
}
else if(c.Equals(typeof(string)))
{
writeName(name, output);
output.print("\"");
output.print(val.ToString());
output.print("\"");
}
else if(val is CollectionBase)
{
int n = 0;
IEnumerator i = ((CollectionBase)val).GetEnumerator();
while(i.MoveNext())
{
string elem = (name != null ? name : "");
elem += "[" + n++ + "]";
writeValue(elem, i.Current, objectTable, output);
}
}
else if(val is DictionaryBase)
{
foreach(DictionaryEntry entry in (Hashtable)val)
{
string elem = name != null ? name + "." : "";
writeValue(elem + "key", entry.Key, objectTable, output);
writeValue(elem + "value", entry.Value, objectTable, output);
}
}
else if(val is Ice.ObjectPrxHelperBase)
{
writeName(name, output);
Ice.ObjectPrxHelperBase proxy = (Ice.ObjectPrxHelperBase)val;
output.print(proxy.reference__().ToString());
}
else if(val is Ice.Object)
{
//
// Check for recursion.
//
if(objectTable != null && objectTable.Contains(val))
{
writeName(name, output);
output.print("(recursive)");
}
else
{
if(objectTable == null)
{
objectTable = new Hashtable();
}
objectTable[val] = null;
writeFields(name, val, c, objectTable, output);
}
}
else if(c.IsEnum)
{
writeName(name, output);
output.print(val.ToString());
}
else
{
//
// Must be struct.
//
writeFields(name, val, c, objectTable, output);
}
}
}
private static void writeFields(string name, object obj, System.Type c, Hashtable objectTable,
OutputBase output)
{
if(!c.Equals(typeof(object)))
{
//
// Write the superclass first.
//
writeFields(name, obj, c.BaseType, objectTable, output);
//
// Write the declared fields of the given class.
//
FieldInfo[] fields =
c.GetFields(BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.Public);
for(int i = 0; i < fields.Length; i++)
{
string fieldName = (name != null ? name + '.' + fields[i].Name : fields[i].Name);
try
{
object val = fields[i].GetValue(obj);
writeValue(fieldName, val, objectTable, output);
}
catch(System.UnauthorizedAccessException)
{
Debug.Assert(false);
}
}
}
}
private static void writeName(string name, OutputBase output)
{
if(name != null)
{
output.nl();
output.print(name + " = ");
}
}
}
}
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