mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Editor/Generation/Collections/PragmaCollection.cs

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2024-09-20 20:30:10 +02:00
using System.Collections;
using System.Collections.Generic;
namespace UnityEditor.ShaderGraph
{
[GenerationAPI]
internal class PragmaCollection : IEnumerable<PragmaCollection.Item>
{
public class Item : IConditional
{
public PragmaDescriptor descriptor { get; }
public FieldCondition[] fieldConditions { get; }
public string value => $"#pragma {descriptor.value}";
public Item(PragmaDescriptor descriptor, FieldCondition[] fieldConditions)
{
this.descriptor = descriptor;
this.fieldConditions = fieldConditions;
}
}
readonly List<Item> m_Items;
public PragmaCollection()
{
m_Items = new List<Item>();
}
public PragmaCollection Add(PragmaCollection pragmas)
{
foreach (PragmaCollection.Item item in pragmas)
{
m_Items.Add(item);
}
return this;
}
public PragmaCollection Add(PragmaDescriptor descriptor)
{
m_Items.Add(new Item(descriptor, null));
return this;
}
public PragmaCollection Add(PragmaDescriptor descriptor, FieldCondition fieldCondition)
{
m_Items.Add(new Item(descriptor, new FieldCondition[] { fieldCondition }));
return this;
}
public PragmaCollection Add(PragmaDescriptor descriptor, FieldCondition[] fieldConditions)
{
m_Items.Add(new Item(descriptor, fieldConditions));
return this;
}
public IEnumerator<Item> GetEnumerator()
{
return m_Items.GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
}