#region Copyright(c) Alexey Sadomov, Vladimir Timashkov. All Rights Reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2010 Alexey Sadomov, Vladimir Timashkov. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. No Trademark License - Microsoft Public License (Ms-PL) does not grant you rights to use
// authors names, logos, or trademarks.
// 2. If you distribute any portion of the software, you must retain all copyright,
// patent, trademark, and attribution notices that are present in the software.
// 3. If you distribute any portion of the software in source code form, you may do
// so only under this license by including a complete copy of Microsoft Public License (Ms-PL)
// with your distribution. If you distribute any portion of the software in compiled
// or object code form, you may only do so under a license that complies with
// Microsoft Public License (Ms-PL).
// 4. The names of the authors may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// The software is licensed "as-is." You bear the risk of using it. The authors
// give no express warranties, guarantees or conditions. You may have additional consumer
// rights under your local laws which this license cannot change. To the extent permitted
// under your local laws, the authors exclude the implied warranties of merchantability,
// fitness for a particular purpose and non-infringement.
// -----------------------------------------------------------------------------
#endregion
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;
using CamlexNET.Impl.Operations.Array;
using CamlexNET.Interfaces;
using CamlexNET.Interfaces.ReverseEngeneering;
namespace CamlexNET.Impl.ReverseEngeneering.Caml.Analyzers
{
internal class ReArrayAnalyzer : ReBaseAnalyzer
{
public ReArrayAnalyzer(XElement el, IReOperandBuilder operandBuilder) :
base(el, operandBuilder)
{
}
public override bool IsValid()
{
if (!base.IsValid())
{
return false;
}
if (this.el.Elements(Tags.FieldRef).Count() == 0)
{
return false;
}
var elements = this.el.Elements().Where(e => e.Name == Tags.FieldRef &&
(e.Attributes().Any(
a => a.Name == Attributes.ID || a.Name == Attributes.Name)));
return elements.Count() > 0;
}
public override IOperation GetOperation()
{
if (!IsValid())
{
throw new CamlAnalysisException(string.Format(
"Can't create {0} from the following xml: {1}", typeof(ArrayOperation).Name, el));
}
var operands = getFieldRefOperands(this.el);
return new ArrayOperation(null, operands);
}
private IOperand[] getFieldRefOperands(XElement el)
{
var operands = new List<IOperand>();
el.Elements(Tags.FieldRef).ToList().ForEach(
e =>
{
IOperand operand = null;
var attr = e.Attributes().FirstOrDefault(a => a.Name == Attributes.Ascending);
if (attr != null && (attr.Value == new Camlex.Asc().ToString() || attr.Value == new Camlex.Desc().ToString()))
{
var direction = (attr.Value == new Camlex.Asc().ToString()
? (Camlex.OrderDirection)new Camlex.Asc()
: new Camlex.Desc());
operand = this.operandBuilder.CreateFieldRefOperandWithOrdering(e, direction);
}
else
{
operand = this.operandBuilder.CreateFieldRefOperand(e);
}
if (operand != null)
{
operands.Add(operand);
}
});
return operands.ToArray();
}
}
}