public CSharpOverloadProvider(CSharpCompletionContext context, int startOffset, IEnumerable <CSharpInsightItem> items)
{
Debug.Assert(items != null);
this.context = context;
this.startOffset = startOffset;
this.selectedIndex = 0;
this.items = items.ToList();
Update(context.Document, context.Offset);
}
public CSharpOverloadProvider(CSharpCompletionContext context, int startOffset, IEnumerable<CSharpInsightItem> items)
{
Debug.Assert(items != null);
this.context = context;
this.startOffset = startOffset;
this.selectedIndex = 0;
this.items = items.ToList();
Update(context.Document, context.Offset);
}
public void Update(IDocument document, int offset)
{
var completionContext = new CSharpCompletionContext(document, offset, context.ProjectContent);
if (completionContext == null)
{
RequestClose = true;
return;
}
var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var completionChar = completionContext.Document.GetCharAt(completionContext.Offset);
int parameterIndex = pce.GetCurrentParameterIndex(startOffset, completionContext.Offset);
if (parameterIndex < 0)
{
RequestClose = true;
return;
}
else
{
if (parameterIndex > items[selectedIndex].Method.Parameters.Count)
{
var newItem = items.FirstOrDefault(i => parameterIndex <= i.Method.Parameters.Count);
SelectedIndex = items.IndexOf(newItem);
}
if (parameterIndex > 0)
{
parameterIndex--; // NR returns 1-based parameter index
}
foreach (var item in items)
{
item.HighlightParameter(parameterIndex);
}
}
}
public CSharpCompletionDataFactory(CSharpTypeResolveContext contextAtCaret, CSharpCompletionContext context)
{
Debug.Assert(contextAtCaret != null);
this.contextAtCaret = contextAtCaret;
this.context = context;
}
public void Update(IDocument document, int offset)
{
var completionContext = new CSharpCompletionContext(document, offset, context.ProjectContent);
if (completionContext == null)
{
RequestClose = true;
return;
}
var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var completionChar = completionContext.Document.GetCharAt(completionContext.Offset);
int parameterIndex = pce.GetCurrentParameterIndex(startOffset, completionContext.Offset);
if (parameterIndex < 0)
{
RequestClose = true;
return;
}
else
{
if (parameterIndex > items[selectedIndex].Method.Parameters.Count)
{
var newItem = items.FirstOrDefault(i => parameterIndex <= i.Method.Parameters.Count);
SelectedIndex = items.IndexOf(newItem);
}
if (parameterIndex > 0)
parameterIndex--; // NR returns 1-based parameter index
foreach (var item in items)
{
item.HighlightParameter(parameterIndex);
}
}
}
public CSharpCompletionDataFactory(CSharpTypeResolveContext contextAtCaret, CSharpCompletionContext context)
{
Debug.Assert(contextAtCaret != null);
this.contextAtCaret = contextAtCaret;
this.context = context;
}
public static CodeCompletionResult GetCompletions(IDocument document, int offset, bool controlSpace)
{
var result = new CodeCompletionResult();
if (String.IsNullOrEmpty(document.FileName))
{
return(result);
}
var completionContext = new CSharpCompletionContext(document, offset, projectContent);
var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
var cce = new CSharpCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
cce.EolMarker = Environment.NewLine;
cce.FormattingPolicy = FormattingOptionsFactory.CreateSharpDevelop();
var completionChar = completionContext.Document.GetCharAt(completionContext.Offset - 1);
int startPos, triggerWordLength;
IEnumerable <ICSharpCode.NRefactory.Completion.ICompletionData> completionData;
if (controlSpace)
{
if (!cce.TryGetCompletionWord(completionContext.Offset, out startPos, out triggerWordLength))
{
startPos = completionContext.Offset;
triggerWordLength = 0;
}
completionData = cce.GetCompletionData(startPos, true);
if (triggerWordLength == 0)
{
completionData = completionData.Concat(cce.GetImportCompletionData(startPos));
}
}
else
{
startPos = completionContext.Offset;
if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
{
if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt(startPos - 2)))
{
return(result);
}
completionData = cce.GetCompletionData(startPos, false);
startPos--;
triggerWordLength = 1;
}
else
{
completionData = cce.GetCompletionData(startPos, false);
triggerWordLength = 0;
}
}
result.TriggerWordLength = triggerWordLength;
result.TriggerWord = completionContext.Document.GetText(completionContext.Offset - triggerWordLength, triggerWordLength);
Debug.Print("Trigger word: '{0}'", result.TriggerWord);
//cast to AvalonEdit completion data and add to results
foreach (var completion in completionData)
{
var cshellCompletionData = completion as CompletionData;
if (cshellCompletionData != null)
{
cshellCompletionData.TriggerWord = result.TriggerWord;
cshellCompletionData.TriggerWordLength = result.TriggerWordLength;
result.CompletionData.Add(cshellCompletionData);
}
}
//method completions
if (!controlSpace)
{
// Method Insight
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var parameterDataProvider = pce.GetParameterDataProvider(completionContext.Offset, completionChar);
result.OverloadProvider = parameterDataProvider as IOverloadProvider;
}
return(result);
}
public static CodeCompletionResult GetCompletions(IDocument document, int offset, bool controlSpace)
{
var result = new CodeCompletionResult();
if (String.IsNullOrEmpty(document.FileName))
return result;
var completionContext = new CSharpCompletionContext(document, offset, projectContent);
var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
var cce = new CSharpCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
cce.EolMarker = Environment.NewLine;
cce.FormattingPolicy = FormattingOptionsFactory.CreateSharpDevelop();
var completionChar = completionContext.Document.GetCharAt(completionContext.Offset-1);
int startPos, triggerWordLength;
IEnumerable<ICSharpCode.NRefactory.Completion.ICompletionData> completionData;
if (controlSpace)
{
if (!cce.TryGetCompletionWord(completionContext.Offset, out startPos, out triggerWordLength))
{
startPos = completionContext.Offset;
triggerWordLength = 0;
}
completionData = cce.GetCompletionData(startPos, true);
if (triggerWordLength == 0)
completionData = completionData.Concat(cce.GetImportCompletionData(startPos));
}
else
{
startPos = completionContext.Offset;
if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
{
if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt(startPos - 2)))
return result;
completionData = cce.GetCompletionData(startPos, false);
startPos--;
triggerWordLength = 1;
}
else
{
completionData = cce.GetCompletionData(startPos, false);
triggerWordLength = 0;
}
}
result.TriggerWordLength = triggerWordLength;
result.TriggerWord = completionContext.Document.GetText(completionContext.Offset - triggerWordLength, triggerWordLength);
Debug.Print("Trigger word: '{0}'", result.TriggerWord);
//cast to AvalonEdit completion data and add to results
foreach (var completion in completionData)
{
var cshellCompletionData = completion as CompletionData;
if (cshellCompletionData != null)
{
cshellCompletionData.TriggerWord = result.TriggerWord;
cshellCompletionData.TriggerWordLength = result.TriggerWordLength;
result.CompletionData.Add(cshellCompletionData);
}
}
//method completions
if (!controlSpace)
{
// Method Insight
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var parameterDataProvider = pce.GetParameterDataProvider(completionContext.Offset, completionChar);
result.OverloadProvider = parameterDataProvider as IOverloadProvider;
}
return result;
}
