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BinaryPropertyListParser/Writer: Add extensibility points

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This commit is contained in:
Frederik Carlier
2018-10-16 18:27:27 +02:00
parent c109d2c76b
commit 66f86cff10
2 changed files with 21 additions and 8 deletions
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9
plist-cil/BinaryPropertyListParser.cs
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@@ -118,7 +118,7 @@ namespace Claunia.PropertyList
/// <returns>The root object of the property list. This is usually a NSDictionary but can also be a NSArray.</returns>
/// <param name="bytes">The binary property list's data.</param>
/// <exception cref="PropertyListFormatException">When the property list's format could not be parsed.</exception>
NSObject DoParse(ReadOnlySpan<byte> bytes)
protected NSObject DoParse(ReadOnlySpan<byte> bytes)
{
if(bytes.Length < 8 || bytes[0] != 'b' || bytes[1] != 'p' || bytes[2] != 'l' || bytes[3] != 'i' ||
bytes[4] != 's' || bytes[5] != 't')
@@ -194,6 +194,11 @@ namespace Claunia.PropertyList
return Parse(f.OpenRead());
}
protected int GetOffset(int obj)
{
return this.offsetTable[obj];
}
/// <summary>
/// Parses an object inside the currently parsed binary property list.
/// For the format specification check
@@ -205,7 +210,7 @@ namespace Claunia.PropertyList
/// <returns>The parsed object.</returns>
/// <param name="obj">The object ID.</param>
/// <exception cref="PropertyListFormatException">When the property list's format could not be parsed.</exception>
NSObject ParseObject(ReadOnlySpan<byte> bytes, int obj)
protected virtual NSObject ParseObject(ReadOnlySpan<byte> bytes, int obj)
{
int offset = offsetTable[obj];
byte type = bytes[offset];

20
plist-cil/BinaryPropertyListWriter.cs
View File

@@ -62,13 +62,13 @@ namespace Claunia.PropertyList
public const int VERSION_20 = 20;
// map from object to its ID
readonly Dictionary<NSObject, int> idDict = new Dictionary<NSObject, int>(new AddObjectEqualityComparer());
readonly Dictionary<NSObject, int> idDict2 = new Dictionary<NSObject, int>(new GetObjectEqualityComparer());
protected readonly Dictionary<NSObject, int> idDict = new Dictionary<NSObject, int>(new AddObjectEqualityComparer());
protected readonly Dictionary<NSObject, int> idDict2 = new Dictionary<NSObject, int>(new GetObjectEqualityComparer());
// # of bytes written so far
long count;
int currentId;
int idSizeInBytes;
private long count;
protected int currentId;
private int idSizeInBytes;
// raw output stream to result file
Stream outStream;
@@ -91,6 +91,14 @@ namespace Claunia.PropertyList
outStream = outStr;
}
public BinaryPropertyListWriter(Stream outStr, int version, IEqualityComparer<NSObject> addObjectEqualityComparer, IEqualityComparer<NSObject> getObjectEqualityComparer)
{
this.version = version;
outStream = outStr;
idDict = new Dictionary<NSObject, int>(addObjectEqualityComparer);
idDict2 = new Dictionary<NSObject, int>(getObjectEqualityComparer);
}
/// <summary>
/// Gets or sets a value indicating whether two equivalent objects should be serialized once in the binary property
/// list file, or whether
@@ -273,7 +281,7 @@ namespace Claunia.PropertyList
outStream.Flush();
}
internal void AssignID(NSObject obj)
protected internal virtual void AssignID(NSObject obj)
{
if(ReuseObjectIds)
{