/// <summary>
/// Gets the syntax highlighting definition for a certain syntax.
/// </summary>
/// <param name="syntaxMode">The syntax.</param>
/// <returns>The syntax highlighting definition.</returns>
public XmlTextReader GetSyntaxModeFile(SyntaxMode syntaxMode)
{
Assembly assembly = typeof(SyntaxMode).Assembly;
// ReSharper disable AssignNullToNotNullAttribute
return new XmlTextReader(assembly.GetManifestResourceStream("DigitalRune.Windows.TextEditor.Resources." + syntaxMode.FileName));
// ReSharper restore AssignNullToNotNullAttribute
}
/// <summary>
/// Gets the syntax highlighting definition for a certain syntax.
/// </summary>
/// <param name="syntaxMode">The syntax.</param>
/// <returns>The syntax highlighting definition.</returns>
public XmlTextReader GetSyntaxModeFile(SyntaxMode syntaxMode)
{
string syntaxModeFile = Path.Combine(_directory, syntaxMode.FileName);
if (!File.Exists(syntaxModeFile))
throw new HighlightingDefinitionInvalidException("Can't load highlighting definition " + syntaxModeFile + " (file not found)!");
return new XmlTextReader(File.OpenRead(syntaxModeFile));
}
/// <summary>
/// Gets the syntax highlighting definition for a certain syntax.
/// </summary>
/// <param name="syntaxMode">The syntax.</param>
/// <returns>The syntax highlighting definition.</returns>
public XmlTextReader GetSyntaxModeFile(SyntaxMode syntaxMode)
{
string syntaxModeFile = Path.Combine(_directory, syntaxMode.FileName);
if (!File.Exists(syntaxModeFile))
{
throw new HighlightingDefinitionInvalidException("Can't load highlighting definition " + syntaxModeFile + " (file not found)!");
}
return(new XmlTextReader(File.OpenRead(syntaxModeFile)));
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceSyntaxModeProvider"/> class.
/// </summary>
public ResourceSyntaxModeProvider()
{
Assembly assembly = typeof(SyntaxMode).Assembly;
Stream syntaxModeStream = assembly.GetManifestResourceStream("DigitalRune.Windows.TextEditor.Resources.SyntaxModes.xml");
if (syntaxModeStream != null)
{
syntaxModes = SyntaxMode.GetSyntaxModes(syntaxModeStream);
}
else
{
syntaxModes = new List <SyntaxMode>();
}
}
/// <summary>
/// Updates the list of syntax highlighting modes.
/// </summary>
public void UpdateSyntaxModeList()
{
string syntaxModeFile = Path.Combine(_directory, "SyntaxModes.xml");
if (File.Exists(syntaxModeFile))
{
Stream s = File.OpenRead(syntaxModeFile);
_syntaxModes = SyntaxMode.GetSyntaxModes(s);
s.Close();
}
else
{
_syntaxModes = ScanDirectory(_directory);
}
}
/// <summary>
/// Parses a highlighting definition.
/// </summary>
/// <param name="highlighter">The highlighting strategy, which is set.</param>
/// <param name="syntaxMode">The syntax highlighting mode.</param>
/// <param name="xmlReader">The XML reader.</param>
/// <returns></returns>
private static DefaultHighlightingStrategy Parse(DefaultHighlightingStrategy highlighter, SyntaxMode syntaxMode, XmlReader xmlReader)
{
if (syntaxMode == null)
throw new ArgumentNullException("syntaxMode");
if (xmlReader == null)
throw new ArgumentNullException("xmlReader");
try
{
List<ValidationEventArgs> errors = null;
XmlReaderSettings settings = new XmlReaderSettings();
Stream shemaStream = typeof(HighlightingDefinitionParser).Assembly.GetManifestResourceStream("DigitalRune.Windows.TextEditor.Resources.Mode.xsd");
settings.Schemas.Add("", new XmlTextReader(shemaStream));
settings.Schemas.ValidationEventHandler += delegate(object sender, ValidationEventArgs args)
{
if (errors == null)
{
errors = new List<ValidationEventArgs>();
}
errors.Add(args);
};
settings.ValidationType = ValidationType.Schema;
XmlReader validatingReader = XmlReader.Create(xmlReader, settings);
XmlDocument doc = new XmlDocument();
doc.Load(validatingReader);
if (highlighter == null)
highlighter = new DefaultHighlightingStrategy(doc.DocumentElement.Attributes["name"].InnerText);
if (doc.DocumentElement.HasAttribute("extends"))
{
KeyValuePair<SyntaxMode, ISyntaxModeFileProvider> entry = HighlightingManager.Manager.FindHighlighterEntry(doc.DocumentElement.GetAttribute("extends"));
if (entry.Key == null)
{
throw new HighlightingDefinitionInvalidException("Cannot find referenced highlighting source " + doc.DocumentElement.GetAttribute("extends"));
}
else
{
highlighter = Parse(highlighter, entry.Key, entry.Value.GetSyntaxModeFile(entry.Key));
if (highlighter == null) return null;
}
}
if (doc.DocumentElement.HasAttribute("extensions"))
{
highlighter.Extensions = doc.DocumentElement.GetAttribute("extensions").Split(new char[] { ';', '|' });
}
XmlElement environment = doc.DocumentElement["Environment"];
if (environment != null)
{
foreach (XmlNode node in environment.ChildNodes)
{
if (node is XmlElement)
{
XmlElement el = (XmlElement) node;
if (el.Name == "Custom")
highlighter.SetColorFor(el.GetAttribute("name"), el.HasAttribute("bgcolor") ? new HighlightBackground(el) : new HighlightColor(el));
else
highlighter.SetColorFor(el.Name, el.HasAttribute("bgcolor") ? new HighlightBackground(el) : new HighlightColor(el));
}
}
}
// parse properties
if (doc.DocumentElement["Properties"] != null)
foreach (XmlElement propertyElement in doc.DocumentElement["Properties"].ChildNodes)
highlighter.Properties[propertyElement.Attributes["name"].InnerText] = propertyElement.Attributes["value"].InnerText;
if (doc.DocumentElement["Digits"] != null)
highlighter.DigitColor = new HighlightColor(doc.DocumentElement["Digits"]);
XmlNodeList nodes = doc.DocumentElement.GetElementsByTagName("RuleSet");
foreach (XmlElement element in nodes)
highlighter.AddRuleSet(new HighlightRuleSet(element));
xmlReader.Close();
if (errors != null)
{
StringBuilder msg = new StringBuilder();
foreach (ValidationEventArgs args in errors)
{
msg.AppendLine(args.Message);
}
throw new HighlightingDefinitionInvalidException(msg.ToString());
}
else
{
return highlighter;
}
}
catch (Exception e)
{
throw new HighlightingDefinitionInvalidException("Could not load mode definition file '" + syntaxMode.FileName + "'.\n", e);
}
}
/// <summary>
/// Parses a highlighting definition.
/// </summary>
/// <param name="syntaxMode">The syntax highlighting mode.</param>
/// <param name="xmlReader">The XML reader.</param>
/// <returns>The highlighting strategy.</returns>
public static DefaultHighlightingStrategy Parse(SyntaxMode syntaxMode, XmlReader xmlReader)
{
return Parse(null, syntaxMode, xmlReader);
}
/// <summary>
/// Parses a highlighting definition.
/// </summary>
/// <param name="highlighter">The highlighting strategy, which is set.</param>
/// <param name="syntaxMode">The syntax highlighting mode.</param>
/// <param name="xmlReader">The XML reader.</param>
/// <returns></returns>
private static DefaultHighlightingStrategy Parse(DefaultHighlightingStrategy highlighter, SyntaxMode syntaxMode, XmlReader xmlReader)
{
if (syntaxMode == null)
{
throw new ArgumentNullException("syntaxMode");
}
if (xmlReader == null)
{
throw new ArgumentNullException("xmlReader");
}
try
{
List <ValidationEventArgs> errors = null;
XmlReaderSettings settings = new XmlReaderSettings();
Stream shemaStream = typeof(HighlightingDefinitionParser).Assembly.GetManifestResourceStream("DigitalRune.Windows.TextEditor.Resources.Mode.xsd");
settings.Schemas.Add("", new XmlTextReader(shemaStream));
settings.Schemas.ValidationEventHandler += delegate(object sender, ValidationEventArgs args)
{
if (errors == null)
{
errors = new List <ValidationEventArgs>();
}
errors.Add(args);
};
settings.ValidationType = ValidationType.Schema;
XmlReader validatingReader = XmlReader.Create(xmlReader, settings);
XmlDocument doc = new XmlDocument();
doc.Load(validatingReader);
if (highlighter == null)
{
highlighter = new DefaultHighlightingStrategy(doc.DocumentElement.Attributes["name"].InnerText);
}
if (doc.DocumentElement.HasAttribute("extends"))
{
KeyValuePair <SyntaxMode, ISyntaxModeFileProvider> entry = HighlightingManager.Manager.FindHighlighterEntry(doc.DocumentElement.GetAttribute("extends"));
if (entry.Key == null)
{
throw new HighlightingDefinitionInvalidException("Cannot find referenced highlighting source " + doc.DocumentElement.GetAttribute("extends"));
}
else
{
highlighter = Parse(highlighter, entry.Key, entry.Value.GetSyntaxModeFile(entry.Key));
if (highlighter == null)
{
return(null);
}
}
}
if (doc.DocumentElement.HasAttribute("extensions"))
{
highlighter.Extensions = doc.DocumentElement.GetAttribute("extensions").Split(new char[] { ';', '|' });
}
XmlElement environment = doc.DocumentElement["Environment"];
if (environment != null)
{
foreach (XmlNode node in environment.ChildNodes)
{
if (node is XmlElement)
{
XmlElement el = (XmlElement)node;
if (el.Name == "Custom")
{
highlighter.SetColorFor(el.GetAttribute("name"), el.HasAttribute("bgcolor") ? new HighlightBackground(el) : new HighlightColor(el));
}
else
{
highlighter.SetColorFor(el.Name, el.HasAttribute("bgcolor") ? new HighlightBackground(el) : new HighlightColor(el));
}
}
}
}
// parse properties
if (doc.DocumentElement["Properties"] != null)
{
foreach (XmlElement propertyElement in doc.DocumentElement["Properties"].ChildNodes)
{
highlighter.Properties[propertyElement.Attributes["name"].InnerText] = propertyElement.Attributes["value"].InnerText;
}
}
if (doc.DocumentElement["Digits"] != null)
{
highlighter.DigitColor = new HighlightColor(doc.DocumentElement["Digits"]);
}
XmlNodeList nodes = doc.DocumentElement.GetElementsByTagName("RuleSet");
foreach (XmlElement element in nodes)
{
highlighter.AddRuleSet(new HighlightRuleSet(element));
}
xmlReader.Close();
if (errors != null)
{
StringBuilder msg = new StringBuilder();
foreach (ValidationEventArgs args in errors)
{
msg.AppendLine(args.Message);
}
throw new HighlightingDefinitionInvalidException(msg.ToString());
}
else
{
return(highlighter);
}
}
catch (Exception e)
{
throw new HighlightingDefinitionInvalidException("Could not load mode definition file '" + syntaxMode.FileName + "'.\n", e);
}
}
/// <summary>
/// Parses a highlighting definition.
/// </summary>
/// <param name="syntaxMode">The syntax highlighting mode.</param>
/// <param name="xmlReader">The XML reader.</param>
/// <returns>The highlighting strategy.</returns>
public static DefaultHighlightingStrategy Parse(SyntaxMode syntaxMode, XmlReader xmlReader)
{
return(Parse(null, syntaxMode, xmlReader));
}
public XmlTextReader GetSyntaxModeFile(SyntaxMode syntaxMode)
{
return new XmlTextReader(highlighting);
}
/// <summary>
/// Gets the syntax highlighting definition for a certain syntax.
/// </summary>
/// <param name="syntaxMode">The syntax.</param>
/// <returns>The syntax highlighting definition.</returns>
public XmlTextReader GetSyntaxModeFile(SyntaxMode syntaxMode)
{
Assembly assembly = typeof(SyntaxMode).Assembly;
return new XmlTextReader(assembly.GetManifestResourceStream("DigitalRune.Windows.TextEditor.Resources." + syntaxMode.FileName));
}
/// <summary>
/// Gets the syntax highlighting definition for a certain syntax.
/// </summary>
/// <param name="syntaxMode">The syntax.</param>
/// <returns>The syntax highlighting definition.</returns>
public XmlTextReader GetSyntaxModeFile(SyntaxMode syntaxMode)
{
Assembly assembly = typeof(SyntaxMode).Assembly;
return(new XmlTextReader(assembly.GetManifestResourceStream("DigitalRune.Windows.TextEditor.Resources." + syntaxMode.FileName)));
}
