/// <summary>
/// Gets the namespace prefix that is associated with the
/// specified file extension.
/// </summary>
public static string GetNamespacePrefix(string extension)
{
string prefix = String.Empty;
XmlSchemaAssociation association = GetSchemaAssociation(extension);
if (association != null)
{
prefix = association.NamespacePrefix;
}
return(prefix);
}
/// <summary>
/// Gets the schema completion data that is associated with the
/// specified file extension.
/// </summary>
internal XmlSchemaCompletionData GetSchemaCompletionData(string extension)
{
XmlSchemaCompletionData data = null;
XmlSchemaAssociation association = GetSchemaAssociation(extension);
if (association != null)
{
if (association.NamespaceUri.Length > 0)
{
data = SchemaCompletionDataItems[association.NamespaceUri];
}
}
return(data);
}
/// <summary>
/// Gets the default schema association for the file extension.
/// </summary>
/// <remarks>
/// These defaults are hard coded.
/// </remarks>
public static XmlSchemaAssociation GetDefaultAssociation(string extension)
{
XmlSchemaAssociation association = null;
switch (extension.ToLowerInvariant())
{
case ".wxs":
association = new XmlSchemaAssociation(extension, @"http://schemas.microsoft.com/wix/2003/01/wi");
break;
case ".config":
association = new XmlSchemaAssociation(extension, @"urn:app-config");
break;
case ".build":
association = new XmlSchemaAssociation(extension, @"http://nant.sf.net/release/0.85/nant.xsd");
break;
case ".addin":
association = new XmlSchemaAssociation(extension, @"http://www.icsharpcode.net/2005/addin");
break;
case ".xsl":
case ".xslt":
association = new XmlSchemaAssociation(extension, @"http://www.w3.org/1999/XSL/Transform", "xsl");
break;
case ".xsd":
association = new XmlSchemaAssociation(extension, @"http://www.w3.org/2001/XMLSchema", "xs");
break;
case ".manifest":
association = new XmlSchemaAssociation(extension, @"urn:schemas-microsoft-com:asm.v1");
break;
case ".xaml":
association = new XmlSchemaAssociation(extension, @"http://schemas.microsoft.com/winfx/avalon/2005");
break;
default:
association = new XmlSchemaAssociation(extension);
break;
}
return(association);
}
/// <summary>
/// Two schema associations are considered equal if their file extension,
/// prefix and namespaceUri are the same.
/// </summary>
public override bool Equals(object obj)
{
bool equals = false;
XmlSchemaAssociation rhs = obj as XmlSchemaAssociation;
if (rhs != null)
{
if ((this.namespacePrefix == rhs.namespacePrefix) &&
(this.extension == rhs.extension) &&
(this.namespaceUri == rhs.namespaceUri))
{
equals = true;
}
}
return(equals);
}
/// <summary>
/// Gets an association between a schema and a file extension.
/// </summary>
/// <remarks>
/// <para>The property will be an xml element when the SharpDevelopProperties.xml
/// is read on startup. The property will be a schema association
/// if the user changes the schema associated with the file
/// extension in tools->options.</para>
/// <para>The normal way of doing things is to
/// pass the GetProperty method a default value which auto-magically
/// turns the xml element into a schema association so we would not
/// have to check for both. In this case, however, I do not want
/// a default saved to the SharpDevelopProperties.xml file unless the user
/// makes a change using Tools->Options.</para>
/// <para>If we have a file extension that is currently missing a default
/// schema then if we ship the schema at a later date the association will
/// be updated by the code if the user has not changed the settings themselves.
/// </para>
/// <para>For example, the initial release of the xml editor add-in had
/// no default schema for .xsl files, by default it was associated with
/// no schema and this setting is saved if the user ever viewed the settings
/// in the tools->options dialog. Now, after the initial release the
/// .xsl schema was created and shipped with SharpDevelop, there is
/// no way to associate this schema to .xsl files by default since
/// the property exists in the SharpDevelopProperties.xml file.</para>
/// <para>An alternative way of doing this might be to have the
/// config info in the schema itself, which a special SharpDevelop
/// namespace. I believe this is what Visual Studio does. This
/// way is not as flexible since it requires the user to locate
/// the schema and change the association manually.</para>
/// </remarks>
private static XmlSchemaAssociation GetSchemaAssociation(string extension)
{
extension = extension.ToLower();
return(XmlSchemaAssociation.GetDefaultAssociation(extension));
}
/// <summary>
/// Gets the default schema association for the file extension.
/// </summary>
/// <remarks>
/// These defaults are hard coded.
/// </remarks>
public static XmlSchemaAssociation GetDefaultAssociation(string extension)
{
XmlSchemaAssociation association = null;
switch (extension.ToLowerInvariant())
{
case ".wxs":
association = new XmlSchemaAssociation(extension, @"http://schemas.microsoft.com/wix/2003/01/wi");
break;
case ".config":
association = new XmlSchemaAssociation(extension, @"urn:app-config");
break;
case ".build":
association = new XmlSchemaAssociation(extension, @"http://nant.sf.net/release/0.85/nant.xsd");
break;
case ".addin":
association = new XmlSchemaAssociation(extension, @"http://www.icsharpcode.net/2005/addin");
break;
case ".xsl":
case ".xslt":
association = new XmlSchemaAssociation(extension, @"http://www.w3.org/1999/XSL/Transform", "xsl");
break;
case ".xsd":
association = new XmlSchemaAssociation(extension, @"http://www.w3.org/2001/XMLSchema", "xs");
break;
case ".manifest":
association = new XmlSchemaAssociation(extension, @"urn:schemas-microsoft-com:asm.v1");
break;
case ".xaml":
association = new XmlSchemaAssociation(extension, @"http://schemas.microsoft.com/winfx/avalon/2005");
break;
default:
association = new XmlSchemaAssociation(extension);
break;
}
return association;
}