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using System;
using Mono.Cecil;
using Mono.Documentation.Util;
namespace Mono.Documentation.Updater
{
/// <summary>Formats attribute values. Should return true if it is able to format the value.</summary>
class AttributeValueFormatter
{
public virtual bool TryFormatValue (object v, ResolvedTypeInfo type, out string returnvalue)
{
TypeReference valueType = type.Reference;
if (v == null)
{
returnvalue = "null";
return true;
}
if (valueType.FullName == "System.Type")
{
var vTypeRef = v as TypeReference;
if (vTypeRef != null)
returnvalue = "typeof(" + NativeTypeManager.GetTranslatedName (vTypeRef) + ")"; // TODO: drop NS handling
else
returnvalue = "typeof(" + v.ToString () + ")";
return true;
}
if (valueType.FullName == "System.String")
{
returnvalue = "\"" + MDocUpdater.FilterSpecialChars (v.ToString ()) + "\"";
return true;
}
if (valueType.FullName == "System.Char")
{
returnvalue = "'" + MDocUpdater.FilterSpecialChars (v.ToString ()) + "'";
return true;
}
if (v is Boolean)
{
returnvalue = (bool)v ? "true" : "false";
return true;
}
TypeDefinition valueDef = type.Definition;
if (valueDef == null || !valueDef.IsEnum)
{
returnvalue = v.ToString ();
return true;
}
string typename = MDocUpdater.GetDocTypeFullName (valueType);
var values = MDocUpdater.GetEnumerationValues (valueDef);
long c = MDocUpdater.ToInt64 (v);
if (values.ContainsKey (c))
{
returnvalue = typename + "." + values[c];
return true;
}
returnvalue = null;
return false;
}
}
}
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