/// <summary>Identifies a ResourceData's type based from a hint, then falling back on the intrinsic data; and returns the data as a subclass of ResourceData.</summary>
public static ResourceData GetResourceData(ResourceLang lang, ResourceHint hint, Byte[] rawData)
{
// an alternative (and for performance reasons), if Hinting doesn't work it falls back to UnknownResourceData and it's up to the user or consumer to attempt to recast it as a specific ResourceData subclass
// If it does brute-force, there should be some presumption of type based on the ResourceType rather than brute-force all members of that ResourceType
if (hint != ResourceHint.Unknown)
{
ResourceData data;
if ((data = Heuristic(lang, hint, rawData)) != null)
{
return(data);
}
} // endif hint is known defined type
return(BruteForce(lang, rawData));
}
/// <summary>Tests the ResourceData type as specified by the hint. If it works it returns a ResourceData. If it fails it returns null.</summary>
private static ResourceData Heuristic(ResourceLang lang, ResourceHint hint, Byte[] rawData)
{
// try the hint's suggestion, if it doesn't fall-back on the tried 'n' true brute-force approach
ResourceData rd;
switch (hint)
{
#region Image
case ResourceHint.Bitmap:
if (BmpImageResourceData.TryCreate(lang, rawData, out rd))
{
return(rd);
}
break;
case ResourceHint.Gif:
if (GifImageResourceData.TryCreate(lang, rawData, out rd))
{
return(rd);
}
break;
case ResourceHint.Jpeg:
if (JpegImageResourceData.TryCreate(lang, rawData, out rd))
{
return(rd);
}
break;
case ResourceHint.Png:
if (PngImageResourceData.TryCreate(lang, rawData, out rd))
{
return(rd);
}
break;
#endregion
#region Directory
case ResourceHint.CursorDirectory:
if (CursorDirectoryResourceData.TryCreate(lang, rawData, out rd))
{
return(rd);
}
break;
case ResourceHint.IconDirectory:
if (IconDirectoryResourceData.TryCreate(lang, rawData, out rd))
{
return(rd);
}
break;
#endregion
// experiment:
case ResourceHint.IconImage:
if (IconImageResourceData.TryCreate(lang, rawData, out rd))
{
return(rd);
}
break;
/* case Win32ResourceType.CursorImage:
* case Win32ResourceType.IconImage:
*
* retval = new IconCursorImageResourceData(lang, rawData);
* break;
*
* // case Win32ResourceType.CursorAnimated: // I have zero documentation on these 'animated' types
* // case Win32ResourceType.IconAnimated:
* case Win32ResourceType.CursorDirectory:
* case Win32ResourceType.IconDirectory:
*
* retval = new IconCursorDirectoryResourceData(lang, rawData);
* break;
*
* case Win32ResourceType.Manifest:
*
* retval = new XmlHtmlResourceData(lang, rawData);
* break;
*
* case Win32ResourceType.Version:
*
* retval = new VersionResourceData(lang, rawData);
* break;
*/
}
return(null);
}
