/// <summary>
/// Finds out the minimum binary property list format version that
/// can be used to save the given NSObject tree.
/// </summary>
/// <returns>Version code</returns>
/// <param name="root">Object root.</param>
static int GetMinimumRequiredVersion(NSObject root)
{
int minVersion = VERSION_00;
if (root == null)
{
minVersion = VERSION_10;
}
if (root is NSDictionary)
{
NSDictionary dict = (NSDictionary)root;
foreach (NSObject o in dict.GetDictionary().Values)
{
int v = GetMinimumRequiredVersion(o);
if (v > minVersion)
minVersion = v;
}
}
else if (root is NSArray)
{
NSArray array = (NSArray)root;
foreach (NSObject o in array.GetArray())
{
int v = GetMinimumRequiredVersion(o);
if (v > minVersion)
minVersion = v;
}
}
else if (root is NSSet)
{
//Sets are only allowed in property lists v1+
minVersion = VERSION_10;
NSSet set = (NSSet)root;
foreach (NSObject o in set.AllObjects())
{
int v = GetMinimumRequiredVersion(o);
if (v > minVersion)
minVersion = v;
}
}
return minVersion;
}
/// <summary>
/// Saves a property list with the given object as root in binary format into an output stream.
/// </summary>
/// <param name="root">The root object.</param>
/// <param name="outStream">The output stream.</param>
/// <exception cref="IOException">When an error occurs during the writing process.</exception>
public static void SaveAsBinary(NSObject root, Stream outStream)
{
BinaryPropertyListWriter.Write(outStream, root);
}
/// <summary>
/// Saves a property list with the given object as root in XML format into an output stream.
/// </summary>
/// <param name="root">The root object.</param>
/// <param name="outStream">The output stream.</param>
/// <exception cref="IOException">When an error occurs during the writing process.</exception>
public static void SaveAsXml(NSObject root, Stream outStream)
{
#if NET40
// The StreamWriter constructor which takes a "leaveOpen" parameter is
// not available on .NET 4.0
StreamWriter w = new StreamWriter(outStream, Encoding.UTF8);
w.Write(root.ToXmlPropertyList());
w.Close();
#else
using (StreamWriter w = new StreamWriter(outStream, Encoding.UTF8, bufferSize: 1024, leaveOpen: true))
{
w.Write(root.ToXmlPropertyList());
}
#endif
}
/// <summary>
/// Determines whether the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current <see cref="Claunia.PropertyList.NSNumber"/>.
/// </summary>
/// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.NSNumber"/>.</param>
/// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current
/// <see cref="Claunia.PropertyList.NSNumber"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(NSObject obj)
{
if (!(obj is NSNumber))
return false;
if (((NSNumber)obj).GetNSNumberType() != type)
return false;
switch (type)
{
case INTEGER:
return (longValue == ((NSNumber)obj).ToLong());
case REAL:
return (doubleValue == ((NSNumber)obj).ToDouble());
case BOOLEAN:
return (boolValue == ((NSNumber)obj).ToBool());
default:
return false;
}
}
internal static bool ArrayEquals(NSObject[] arrayA, NSObject[] arrayB)
{
if (arrayA.Length == arrayB.Length)
{
for (int i = 0; i < arrayA.Length; i++)
{
if (arrayA[i] != arrayB[i])
{
return false;
}
}
return true;
}
return false;
}
void Write(NSObject root)
{
// magic bytes
Write(new[] { (byte)'b', (byte)'p', (byte)'l', (byte)'i', (byte)'s', (byte)'t' });
//version
switch (version)
{
case VERSION_00:
{
Write(new[] { (byte)'0', (byte)'0' });
break;
}
case VERSION_10:
{
Write(new[] { (byte)'1', (byte)'0' });
break;
}
case VERSION_15:
{
Write(new[] { (byte)'1', (byte)'5' });
break;
}
case VERSION_20:
{
Write(new[] { (byte)'2', (byte)'0' });
break;
}
}
// assign IDs to all the objects.
root.AssignIDs(this);
idSizeInBytes = ComputeIdSizeInBytes(idMap.Count);
// offsets of each object, indexed by ID
long[] offsets = new long[idMap.Count];
// write each object, save offset
for (int i = 0; i < idMap.Count; i++)
{
NSObject obj = idMap[i];
int id = i;
offsets[id] = count;
if (obj == null)
{
Write(0x00);
}
else
{
obj.ToBinary(this);
}
}
// write offset table
long offsetTableOffset = count;
int offsetSizeInBytes = ComputeOffsetSizeInBytes(count);
foreach (long offset in offsets)
{
WriteBytes(offset, offsetSizeInBytes);
}
if (version != VERSION_15)
{
// write trailer
// 6 null bytes
Write(new byte[6]);
// size of an offset
Write(offsetSizeInBytes);
// size of a ref
Write(idSizeInBytes);
// number of objects
WriteLong(idMap.Count);
// top object
int rootID = idMap.IndexOf(root);
WriteLong(rootID);
// offset table offset
WriteLong(offsetTableOffset);
}
outStream.Flush();
}
internal void AssignID(NSObject obj)
{
if (obj is UID || obj is NSArray)
{
idMap.Add(obj);
}
else if (!idMap.Contains(obj))
{
idMap.Add(obj);
}
}
/// <summary>
/// Writes a binary plist serialization of the given object as the root.
/// </summary>
/// <param name="outStream">the stream to write to</param>
/// <param name="root">the source of the data to write to the stream</param>
/// <exception cref="IOException"></exception>
public static void Write(Stream outStream, NSObject root)
{
int minVersion = GetMinimumRequiredVersion(root);
if (minVersion > VERSION_00)
{
string versionString = ((minVersion == VERSION_10) ? "v1.0" : ((minVersion == VERSION_15) ? "v1.5" : ((minVersion == VERSION_20) ? "v2.0" : "v0.0")));
throw new IOException("The given property list structure cannot be saved. " +
"The required version of the binary format (" + versionString + ") is not yet supported.");
}
BinaryPropertyListWriter w = new BinaryPropertyListWriter(outStream, minVersion);
w.Write(root);
}
/// <summary>
/// Adds an object to the set.
/// </summary>
/// <param name="obj">The object to add.</param>
public void AddObject(NSObject obj)
{
lock (set)
{
set.Add(obj);
if (ordered)
set.Sort();
}
}
/// <summary>
/// Determines whether the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current <see cref="Claunia.PropertyList.NSSet"/>.
/// </summary>
/// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.NSSet"/>.</param>
/// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current
/// <see cref="Claunia.PropertyList.NSSet"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(NSObject obj)
{
if (!(obj is NSSet))
return false;
if (set.Count != ((NSSet)obj).Count)
return false;
foreach (NSObject objS in (NSSet)obj)
if (!set.Contains(objS))
return false;
return true;
}
/// <summary>
/// Determines whether the set contains an object equal to a given object
/// and returns that object if it is present.
/// </summary>
/// <param name="obj">The object to look for.</param>
/// <returns>The object if it is present, <c>null</c> otherwise.</returns>
public NSObject Member(NSObject obj)
{
lock (set)
{
foreach (NSObject o in set)
{
if (o.Equals(obj))
return o;
}
return null;
}
}
/// <summary>
/// Finds out whether a given object is contained in the set.
/// </summary>
/// <returns><c>true</c>, when the object was found, <c>false</c> otherwise.</returns>
/// <param name="obj">The object to look for.</param>
public bool ContainsObject(NSObject obj)
{
return set.Contains(obj);
}
/// <summary>
/// Removes an object from the set.
/// </summary>
/// <param name="obj">The object to remove.</param>
public void RemoveObject(NSObject obj)
{
lock (set)
{
set.Remove(obj);
if (ordered)
set.Sort();
}
}
public void Write(NSObject root)
{
// magic bytes
Write(new[] { (byte)'b', (byte)'p', (byte)'l', (byte)'i', (byte)'s', (byte)'t' });
//version
switch (version)
{
case VERSION_00:
{
Write(new[] { (byte)'0', (byte)'0' });
break;
}
case VERSION_10:
{
Write(new[] { (byte)'1', (byte)'0' });
break;
}
case VERSION_15:
{
Write(new[] { (byte)'1', (byte)'5' });
break;
}
case VERSION_20:
{
Write(new[] { (byte)'2', (byte)'0' });
break;
}
}
// assign IDs to all the objects.
root.AssignIDs(this);
idSizeInBytes = ComputeIdSizeInBytes(idMap.Count);
// offsets of each object, indexed by ID
long[] offsets = new long[idMap.Count];
// write each object, save offset
for (int i = 0; i < idMap.Count; i++)
{
NSObject obj = idMap[i];
int id = i;
offsets[id] = count;
if (obj == null)
{
Write(0x00);
}
else
{
obj.ToBinary(this);
}
}
// write offset table
long offsetTableOffset = count;
int offsetSizeInBytes = ComputeOffsetSizeInBytes(count);
foreach (long offset in offsets)
{
WriteBytes(offset, offsetSizeInBytes);
}
if (version != VERSION_15)
{
// write trailer
// 6 null bytes
Write(new byte[6]);
// size of an offset
Write(offsetSizeInBytes);
// size of a ref
Write(idSizeInBytes);
// number of objects
WriteLong(idMap.Count);
// top object
int rootID = idMap.IndexOf(root);
WriteLong(rootID);
// offset table offset
WriteLong(offsetTableOffset);
}
outStream.Flush();
}
/// <summary>
/// Writes a binary plist serialization of the given object as the root
/// into a byte array.
/// </summary>
/// <returns>The byte array containing the serialized property list</returns>
/// <param name="root">The root object of the property list</param>
/// <exception cref="IOException"></exception>
public static byte[] WriteToArray(NSObject root)
{
MemoryStream bout = new MemoryStream();
Write(bout, root);
return bout.ToArray();
}
/// <summary>
/// Writes a binary plist file with the given object as the root.
/// </summary>
/// <param name="file">the file to write to</param>
/// <param name="root">the source of the data to write to the file</param>
/// <exception cref="IOException"></exception>
public static void Write(FileInfo file, NSObject root)
{
FileStream fous = file.OpenWrite();
Write(fous, root);
fous.Close();
}
/// <summary>
/// Determines whether the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current <see cref="Claunia.PropertyList.NSDate"/>.
/// </summary>
/// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.NSDate"/>.</param>
/// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current
/// <see cref="Claunia.PropertyList.NSDate"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(NSObject obj)
{
if (!(obj is NSDate))
return false;
int equality = DateTime.Compare(date, ((NSDate)obj).Date);
return equality == 0;
}
/// <summary>
/// Writes a binary plist serialization of the given object as the root
/// into a byte array.
/// </summary>
/// <returns>The byte array containing the serialized property list</returns>
/// <param name="root">The root object of the property list</param>
/// <exception cref="IOException"></exception>
public static byte[] WriteToArray(NSObject root)
{
MemoryStream bout = new MemoryStream();
Write(bout, root);
return bout.ToArray();
}
/// <summary>
/// Saves a property list with the given object as root into a XML file.
/// </summary>
/// <param name="root">The root object.</param>
/// <param name="outFile">The output file.</param>
/// <exception cref="IOException">When an error occurs during the writing process.</exception>
public static void SaveAsXml(NSObject root, FileInfo outFile)
{
string parent = outFile.DirectoryName;
if (!Directory.Exists(parent))
Directory.CreateDirectory(parent);
Stream fous = outFile.Open(FileMode.OpenOrCreate, FileAccess.ReadWrite);
SaveAsXml(root, fous);
fous.Close();
}
internal int GetID(NSObject obj)
{
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 if (obj is NSArray)
{
int index = 0;
for (int i = 0; i < idMap.Count; i++)
{
if (idMap[i] == obj)
{
index = i;
break;
}
}
return index;
}
else
{
return idMap.IndexOf(obj);
}
}
/// <summary>
/// Saves a property list with the given object as root in XML format into an output stream.
/// </summary>
/// <param name="root">The root object.</param>
/// <param name="outStream">The output stream.</param>
/// <exception cref="IOException">When an error occurs during the writing process.</exception>
public static void SaveAsXml(NSObject root, Stream outStream)
{
StreamWriter w = new StreamWriter(outStream, Encoding.UTF8);
w.Write(root.ToXmlPropertyList());
w.Close();
}
/// <summary> /// Determines if the specific NSObject is the same as the NSObject overriding this method. /// </summary> /// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.NSObject"/>.</param> /// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current /// <see cref="Claunia.PropertyList.NSObject"/>; otherwise, <c>false</c>.</returns> public abstract bool Equals(NSObject obj);
/// <summary>
/// Determines whether the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current <see cref="Claunia.PropertyList.NSArray"/>.
/// </summary>
/// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.NSArray"/>.</param>
/// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current
/// <see cref="Claunia.PropertyList.NSArray"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(NSObject obj)
{
if (!(obj is NSArray))
return false;
if (array.Length != ((NSArray)obj).array.Length)
return false;
for (int i = 0; i < array.Length; i++)
if (!array[i].Equals(((NSArray)obj).ObjectAtIndex(i)))
return false;
return true;
}
/// <summary>
/// Determines whether the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current <see cref="Claunia.PropertyList.NSString"/>.
/// </summary>
/// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.NSString"/>.</param>
/// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current
/// <see cref="Claunia.PropertyList.NSString"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(NSObject obj)
{
if (!(obj is NSString))
return false;
return content == ((NSString)obj).content;
}
/// <summary>
/// Returns a new array containing only the values stored at the given
/// indices. The values are sorted by their index.
/// </summary>
/// <returns>The new array containing the objects stored at the given indices.</returns>
/// <param name="indexes">The indices of the objects.</param>
public NSObject[] ObjectsAtIndexes(params int[] indexes)
{
NSObject[] result = new NSObject[indexes.Length];
Array.Sort(indexes);
for (int i = 0; i < indexes.Length; i++)
result[i] = array[indexes[i]];
return result;
}
/// <summary>
/// Saves a property list with the given object as root into a XML file.
/// </summary>
/// <param name="root">The root object.</param>
/// <param name="outFile">The output file.</param>
/// <exception cref="IOException">When an error occurs during the writing process.</exception>
public static void SaveAsXml(NSObject root, FileInfo outFile)
{
string parent = outFile.DirectoryName;
if (!Directory.Exists(parent))
Directory.CreateDirectory(parent);
// Use Create here -- to make sure that when the updated file is shorter than
// the original file, no "obsolete" data is left at the end.
using (Stream fous = outFile.Open(FileMode.Create, FileAccess.ReadWrite))
{
SaveAsXml(root, fous);
}
}
/// <summary>
/// Remove the i-th element from the array.
/// The array will be resized.
/// </summary>
/// <param name="i">The index of the object</param>
public void Remove(int i)
{
if ((i >= array.Length) || (i < 0))
throw new IndexOutOfRangeException("invalid index:" + i + ";the array length is " + array.Length);
NSObject[] newArray = new NSObject[array.Length - 1];
Array.Copy(array, 0, newArray, 0, i);
Array.Copy(array, i + 1, newArray, i, array.Length - i - 1);
array = newArray;
}
/// <summary>
/// Saves a property list with the given object as root into a binary file.
/// </summary>
/// <param name="root">The root object.</param>
/// <param name="outFile">The output file.</param>
/// <exception cref="IOException">When an error occurs during the writing process.</exception>
public static void SaveAsBinary(NSObject root, FileInfo outFile)
{
string parent = outFile.DirectoryName;
if (!Directory.Exists(parent))
Directory.CreateDirectory(parent);
BinaryPropertyListWriter.Write(outFile, root);
}
/// <summary>
/// Writes a binary plist file with the given object as the root.
/// </summary>
/// <param name="file">the file to write to</param>
/// <param name="root">the source of the data to write to the file</param>
/// <exception cref="IOException"></exception>
public static void Write(FileInfo file, NSObject root)
{
using (FileStream fous = file.OpenWrite())
{
Write(fous, root);
}
}
/// <summary>
/// Determines whether the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current <see cref="Claunia.PropertyList.NSData"/>.
/// </summary>
/// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.NSData"/>.</param>
/// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current
/// <see cref="Claunia.PropertyList.NSData"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(NSObject obj)
{
if (!(obj is NSData))
return false;
return ArrayEquals(bytes, ((NSData)obj).Bytes);
}
/// <summary>
/// Determines whether the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current <see cref="Claunia.PropertyList.UID"/>.
/// </summary>
/// <param name="obj">The <see cref="Claunia.PropertyList.NSObject"/> to compare with the current <see cref="Claunia.PropertyList.UID"/>.</param>
/// <returns><c>true</c> if the specified <see cref="Claunia.PropertyList.NSObject"/> is equal to the current
/// <see cref="Claunia.PropertyList.UID"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(NSObject obj)
{
if (!(obj is UID))
return false;
if (((UID)obj).Name != name)
return false;
return ArrayEquals(((UID)obj).Bytes, bytes);
}
