Func <IHighlightingDefinition> LoadHighlighting(IHLTheme theme, string name, string resourceName)
{
Func <IHighlightingDefinition> func = delegate
{
ICSharpCode.AvalonEdit.Highlighting.Xshd.XshdSyntaxDefinition xshd;
using (Stream s = HLResources.OpenStream(GetPrefix(CurrentTheme.HLBaseKey), resourceName))
{
using (XmlTextReader reader = new XmlTextReader(s))
{
// in release builds, skip validating the built-in highlightings
xshd = HighlightingLoader.LoadXshd(reader, true);
}
}
var hlTheme = theme.HlTheme;
SyntaxDefinition themedHighlights = null;
if (hlTheme != null)
{
themedHighlights = hlTheme.GetNamedSyntaxDefinition(name);
}
return(HighlightingLoader.Load(themedHighlights, xshd, this));
};
return(func);
}
/// <summary>
/// Registering a built-in highlighting including highlighting themes (if any).
/// </summary>
/// <param name="theme"></param>
/// <param name="name"></param>
/// <param name="extensions"></param>
/// <param name="resourceName"></param>
internal void RegisterHighlighting(IHLTheme theme,
string name,
string[] extensions,
string resourceName)
{
try
{
#if DEBUG
// don't use lazy-loading in debug builds, show errors immediately
ICSharpCode.AvalonEdit.Highlighting.Xshd.XshdSyntaxDefinition xshd;
using (Stream s = HLResources.OpenStream(GetPrefix(CurrentTheme.HLBaseKey), resourceName))
{
using (XmlTextReader reader = new XmlTextReader(s))
{
xshd = HighlightingLoader.LoadXshd(reader, false);
}
}
Debug.Assert(name == xshd.Name);
if (extensions != null)
{
Debug.Assert(System.Linq.Enumerable.SequenceEqual(extensions, xshd.Extensions));
}
else
{
Debug.Assert(xshd.Extensions.Count == 0);
}
var hlTheme = theme.HlTheme;
SyntaxDefinition themedHighlights = null;
if (hlTheme != null)
{
themedHighlights = hlTheme.GetNamedSyntaxDefinition(name);
}
// round-trip xshd:
// string resourceFileName = Path.Combine(Path.GetTempPath(), resourceName);
// using (XmlTextWriter writer = new XmlTextWriter(resourceFileName, System.Text.Encoding.UTF8)) {
// writer.Formatting = Formatting.Indented;
// new Xshd.SaveXshdVisitor(writer).WriteDefinition(xshd);
// }
// using (FileStream fs = File.Create(resourceFileName + ".bin")) {
// new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter().Serialize(fs, xshd);
// }
// using (FileStream fs = File.Create(resourceFileName + ".compiled")) {
// new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter().Serialize(fs, Xshd.HighlightingLoader.Load(xshd, this));
// }
base.RegisterHighlighting(name, extensions,
HighlightingLoader.Load(themedHighlights, xshd, this));
#else
base.RegisterHighlighting(name, extensions, LoadHighlighting(theme, name, resourceName));
#endif
}
catch (HighlightingDefinitionInvalidException ex)
{
throw new InvalidOperationException("The built-in highlighting '" + name + "' is invalid.", ex);
}
}
