#develop (short for SharpDevelop) is a free IDE for .NET programming languages.
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// <file>
// <copyright see="prj:///doc/copyright.txt"/>
// <license see="prj:///doc/license.txt"/>
// <owner name="Siegfried Pammer" email="siegfriedpammer@gmail.com"/>
// <version>$Revision: 6077 $</version>
// </file>
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using ICSharpCode.NRefactory.Parser.VB;
using ICSharpCode.SharpDevelop;
using ICSharpCode.SharpDevelop.Dom;
using ICSharpCode.SharpDevelop.Dom.NRefactoryResolver;
using ICSharpCode.SharpDevelop.Editor;
using ICSharpCode.SharpDevelop.Editor.CodeCompletion;
namespace ICSharpCode.VBNetBinding
{
public static class CompletionDataHelper
{
public static ICompletionItemList GenerateCompletionData(this ExpressionResult expressionResult, ITextEditor editor, char pressedKey)
{
DefaultCompletionItemList result = new NRefactoryCompletionItemList();
IResolver resolver = ParserService.CreateResolver(editor.FileName);
ParseInformation info = ParserService.GetParseInformation(editor.FileName);
if (info == null)
return result;
List<ICompletionEntry> data = new List<ICompletionEntry>();
if (expressionResult.Context != ExpressionContext.Global && expressionResult.Context != ExpressionContext.TypeDeclaration) {
if (string.IsNullOrEmpty(expressionResult.Expression) || IdentifierExpected(expressionResult.Tag)) {
data = new NRefactoryResolver(LanguageProperties.VBNet)
.CtrlSpace(editor.Caret.Line, editor.Caret.Column, info, editor.Document.Text, expressionResult.Context, ((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces);
} else {
if (expressionResult.Context == ExpressionContext.Importable && expressionResult.Expression.Equals("Imports", StringComparison.OrdinalIgnoreCase)) {
expressionResult.Expression = "Global";
}
var rr = resolver.Resolve(expressionResult, info, editor.Document.Text);
if (rr == null)
return result;
data = rr.GetCompletionData(info.CompilationUnit.ProjectContent, ((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces);
}
}
bool addedKeywords = false;
if (expressionResult.Tag != null && (expressionResult.Context != ExpressionContext.Importable) && pressedKey != '.') {
AddVBNetKeywords(data, (BitArray)expressionResult.Tag);
if (!((BitArray)expressionResult.Tag)[Tokens.New] && expressionResult.Context == ExpressionContext.Type)
data.Add(new KeywordEntry("New"));
addedKeywords = true;
}
result = CodeCompletionItemProvider.ConvertCompletionData(result, data, expressionResult.Context);
if (addedKeywords)
AddTemplates(editor, result);
return result;
}
static bool IdentifierExpected(object tag)
{
if (tag is BitArray)
return (tag as BitArray)[2];
return false;
}
static void AddVBNetKeywords(List<ICompletionEntry> ar, BitArray keywords)
{
for (int i = 0; i < keywords.Length; i++) {
if (keywords[i] && i >= Tokens.AddHandler && i < Tokens.MaxToken) {
ar.Add(new KeywordEntry(Tokens.GetTokenString(i)));
}
}
}
static void AddTemplates(ITextEditor editor, DefaultCompletionItemList list)
{
if (list == null)
return;
List<ICompletionItem> snippets = editor.GetSnippets().ToList();
list.Items.RemoveAll(item => item.Image == ClassBrowserIconService.Keyword && snippets.Exists(i => i.Text == item.Text));
list.Items.AddRange(snippets);
list.SortItems();
}
}
}