protected async Task AddHtmlAttributeValueCompletionData (CompletionDataList list, HtmlSchema schema,
XName tagName, XName attributeName, CancellationToken token)
{
list.AddRange (await schema.CompletionProvider.GetAttributeValueCompletionData (tagName.FullName,
attributeName.FullName, token));
}
protected static async Task AddHtmlTagCompletionData (CompletionDataList list, HtmlSchema schema, XName parentName, CancellationToken token)
{
if (schema == null)
return;
if (parentName.IsValid) {
list.AddRange (await schema.CompletionProvider.GetChildElementCompletionData (parentName.FullName.ToLower (), token));
} else {
list.AddRange (await schema.CompletionProvider.GetElementCompletionData (token));
}
}
protected async Task AddHtmlAttributeCompletionData (CompletionDataList list, HtmlSchema schema,
XName tagName, Dictionary<string, string> existingAtts, CancellationToken token)
{
//add atts only if they're not aready in the tag
foreach (var datum in await schema.CompletionProvider.GetAttributeCompletionData (tagName.FullName.ToLower (), token))
if (existingAtts == null || !existingAtts.ContainsKey (datum.DisplayText))
list.Add (datum);
}
protected void AddHtmlAttributeValueCompletionData (CompletionDataList list, HtmlSchema schema,
XName tagName, XName attributeName)
{
list.AddRange (schema.CompletionProvider.GetAttributeValueCompletionData (tagName.FullName,
attributeName.FullName));
}
protected static void AddHtmlTagCompletionData (CompletionDataList list, HtmlSchema schema, XName parentName)
{
if (schema == null)
return;
if (parentName.IsValid) {
list.AddRange (schema.CompletionProvider.GetChildElementCompletionData (parentName.FullName.ToLower ()));
} else {
list.AddRange (schema.CompletionProvider.GetElementCompletionData ());
}
}
public static void Initialise ()
{
if (schemas != null)
return;
schemas = new Dictionary<string, HtmlSchema> ();
//load all the schemas from addin points
//NOTE: the first ([0]) schema must be the default schema
foreach (DocTypeExtensionNode node in Mono.Addins.AddinManager.GetExtensionNodes ("/MonoDevelop/Html/DocTypes")) {
if (schemas.ContainsKey (node.Name))
LoggingService.LogWarning (
"HtmlSchemaService cannot register duplicate doctype with the name '{0}'", node.Name);
if (!string.IsNullOrEmpty (node.XsdFile)) {
string path = node.Addin.GetFilePath (node.XsdFile);
try {
IXmlCompletionProvider provider = new XmlSchemaCompletionData (path);
schemas.Add (node.Name, new HtmlSchema (node.Name, node.FullName, provider));
} catch (Exception ex) {
LoggingService.LogWarning (
"HtmlSchemaService encountered an error registering the schema '" + path + "'", ex);
}
} else {
schemas.Add (node.Name, new HtmlSchema (node.Name, node.FullName, node.CompletionDocTypeName));
}
}
//initialise the default backup schema if it doesn't exist already
if (!schemas.ContainsKey (DefaultDocTypeName)) {
HtmlSchema defaultSubstProvider = schemas["XHTML 1.0 Transitional"];
IXmlCompletionProvider provider;
if (defaultSubstProvider != null) {
//start the threaded schema loading
LoadSchema (defaultSubstProvider, true);
provider = defaultSubstProvider.CompletionProvider;
} else {
LoggingService.LogWarning ("Completion schema for default HTML doctype not found.");
provider = new EmptyXmlCompletionProvider ();
}
schemas[DefaultDocTypeName] = new HtmlSchema ("HTML 4.01 Transitional",
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\n"
+ "\"http://www.w3.org/TR/html4/loose.dtd\">",
provider);
}
MonoDevelop.Core.LoggingService.LogDebug ("HtmlSchemaService initialised");
}
public static IXmlCompletionProvider LazyGetProvider (HtmlSchema schema)
{
//get the provided schema, if it's loaded
HtmlSchema hs = LoadSchema (schema, true);
//fall back to the defaul provider
if (hs == null)
hs = LoadSchema (DefaultDocType, true);
//fall back to a blank provider
return new EmptyXmlCompletionProvider ();
}
//if lazy == true, returns null if the schema isn't loaded yet
static HtmlSchema LoadSchema (HtmlSchema schema, bool lazy)
{
ILazilyLoadedProvider lazyProv = schema.CompletionProvider as ILazilyLoadedProvider;
if (lazyProv == null || lazyProv.IsLoaded) {
return schema;
} else {
//FIXME: actually implement threaded loading and return null if loading && lazy
lazyProv.EnsureLoaded ();
return schema;
}
}
