public NSDictionary ParseArchivedDictionary(NSDictionary archivedDictionary)
{
var keys = archivedDictionary.GetAs <NSArray>("NS.keys");
var objects = archivedDictionary.GetAs <NSArray>("NS.objects");
if (keys == null || objects == null)
{
throw new NSKeyedArchiveException("Invalid archived NSDictionary");
}
if (keys.Count != objects.Count)
{
throw new NSKeyedArchiveException("NSDictionary: Different number of keys and values");
}
var dict = new NSDictionary();
for (var i = 0; i < keys.Count; ++i)
{
var stringKey = ResolveObject(keys[i]) as NSString;
if (stringKey == null)
{
throw new NSKeyedArchiveException("Non-string keys in archived NSDictionaries are not supported");
}
var value = ResolveObject(objects[i]);
dict.Add((string)stringKey, value);
}
return(dict);
}
SketchStringAttribute ParseAttribute(NSDictionary attributeDict)
{
var fontDescriptorAttributes = attributeDict
.GetAs <NSDictionary>("MSAttributedStringFontAttribute")
.GetAs <NSDictionary>("NSFontDescriptorAttributes");
var alignment = SketchTextAlignment.Left;
if (attributeDict.ContainsKey("NSParagraphStyle"))
{
var paragraphStyle = attributeDict.GetAs <NSDictionary>("NSParagraphStyle");
if (paragraphStyle.ContainsKey("NSAlignment"))
{
alignment = ParseAlignment(paragraphStyle.GetAs <NSNumber>("NSAlignment"));
}
}
// Looks like the color format of text objects in Sketch has changed between version 91 and 93
// I've only found MSAttributedStringColorDictionaryAttribute in version 93. 2018-01-05 anette
var sketchColor = SketchColor.Black;
if (attributeDict.ContainsKey("NSColor"))
{
var nsDictionaryColor = attributeDict.GetAs <NSDictionary>("NSColor");
sketchColor = ParseColor(nsDictionaryColor);
}
else if (attributeDict.ContainsKey("MSAttributedStringColorDictionaryAttribute"))
{
var components = attributeDict.GetAs <NSDictionary>("MSAttributedStringColorDictionaryAttribute");
sketchColor = new SketchColor(
double.Parse(components["red"].ToString()),
double.Parse(components["green"].ToString()),
double.Parse(components["blue"].ToString()),
components.ContainsKey("alpha") ? double.Parse(components["alpha"].ToString()) : 1.0);
}
else
{
_log.Warning("Could not find color property for text object. Default to black.");
}
var fontSize = (double)fontDescriptorAttributes.GetAs <NSNumber>("NSFontSizeAttribute");
return(new SketchStringAttribute
(
sketchColor,
fontSize,
alignment
));
}
public NSKeyedArchive(NSDictionary archive)
{
_archive = archive;
var archiverName = (string)_archive.GetAs <NSString>("$archiver");
if (archiverName != "NSKeyedArchiver")
{
throw new ArgumentException("Invalid NSKeyedArchiver dictionary", nameof(archive));
}
var version = _archive.GetAs <NSNumber>("$version");
if (version.ToInt() != 100000)
{
throw new ArgumentException("Unsupported NSKeyedArchiver version", nameof(archive));
}
}
public NSArray ParseArchivedArray(NSDictionary archivedArray)
{
var objects = archivedArray.GetAs <NSArray>("NS.objects");
var resolvedArray = new NSArray();
foreach (var @object in objects)
{
resolvedArray.Add(ResolveObject(@object));
}
return(resolvedArray);
}
public NSObject ResolveObjectWithClassInfo(NSDictionary dict, NSDictionary classInfo)
{
var classes = classInfo.GetAs <NSArray>("$classes");
if (classes.Contains("NSDictionary"))
{
return(ParseArchivedDictionary(dict));
}
if (classes.Contains("NSArray"))
{
return(ParseArchivedArray(dict));
}
if (classes.Contains("NSString"))
{
return(ParseArchivedString(dict));
}
return(dict);
}
public NSString ParseArchivedString(NSDictionary archivedString)
{
return(archivedString.GetAs <NSString>("NS.string"));
}
public int ParseObjectReferenceId(NSDictionary reference)
{
return((int)reference.GetAs <NSNumber>("CF$UID"));
}