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BinaryPropertyListWriter: Allow for multiple occurences of the same UID, to maintain compatibility with the Apple binary format

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This commit is contained in:
Frederik Carlier
2016-02-10 01:58:29 +01:00
parent 6f03f99db4
commit 156a55c84a
1 changed files with 23 additions and 11 deletions
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34
plist-cil/BinaryPropertyListWriter.cs
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@@ -24,7 +24,9 @@
// SOFTWARE.
using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Collections.ObjectModel;
namespace Claunia.PropertyList
{
@@ -162,7 +164,7 @@ namespace Claunia.PropertyList
long count;
// map from object to its ID
Dictionary<NSObject, int> idMap = new Dictionary<NSObject, int>();
Collection<NSObject> idMap = new Collection<NSObject>(); //(new IdentityEqualityComparer<NSObject>());
int idSizeInBytes;
/// <summary>
@@ -220,10 +222,10 @@ namespace Claunia.PropertyList
long[] offsets = new long[idMap.Count];
// write each object, save offset
foreach (KeyValuePair<NSObject, int> entry in idMap)
for(int i = 0; i < idMap.Count; i++)
{
NSObject obj = entry.Key;
int id = entry.Value;
NSObject obj = idMap[i];
int id = i;
offsets[id] = count;
if (obj == null)
{
@@ -255,8 +257,7 @@ namespace Claunia.PropertyList
// number of objects
WriteLong(idMap.Count);
// top object
int rootID;
idMap.TryGetValue(root, out rootID);
int rootID = idMap.IndexOf(root);
WriteLong(rootID);
// offset table offset
WriteLong(offsetTableOffset);
@@ -267,17 +268,28 @@ namespace Claunia.PropertyList
internal void AssignID(NSObject obj)
{
if (!idMap.ContainsKey(obj))
if(obj is UID)
{
idMap.Add(obj, idMap.Count);
idMap.Add(obj);
}
else if(!idMap.Contains(obj))
{
idMap.Add(obj);
}
}
internal int GetID(NSObject obj)
{
int ID;
idMap.TryGetValue(obj, out ID);
return ID;
if (obj is UID)
{
var uid = obj as UID;
var first = idMap.OfType<UID>().First(v => NSObject.ArrayEquals(v.Bytes, uid.Bytes));
return idMap.IndexOf(first);
}
else
{
return idMap.IndexOf(obj);
}
}
static int ComputeIdSizeInBytes(int numberOfIds)