public void Convert_DataTrue_RemovesDataFromItems()
{
// Arrange
var dataObject = new JObject()
{
["resultId"] = 123
};
var completionList = new CompletionList(
new CompletionItem()
{
Label = "Test",
Data = dataObject,
});
var capabilities = new VSCompletionListCapability()
{
Data = true,
};
// Act
var vsCompletionList = VSCompletionList.Convert(completionList, capabilities);
// Assert
Assert.Collection(vsCompletionList.Items, item => Assert.Null(item.Data));
Assert.Same(dataObject, vsCompletionList.Data);
}
public void Convert_DataFalse_DoesNotTouchData()
{
// Arrange
var dataObject = new JObject()
{
["resultId"] = 123
};
var completionList = new CompletionList(
new CompletionItem()
{
Label = "Test",
Data = dataObject,
});
var capabilities = new VSCompletionListCapability()
{
Data = false,
};
// Act
var vsCompletionList = VSCompletionList.Convert(completionList, capabilities);
// Assert
Assert.Collection(vsCompletionList.Items, item => Assert.Same(dataObject, item.Data));
Assert.Null(vsCompletionList.Data);
}
private static VSCompletionList PromotedDataOntoList(VSCompletionList completionList)
{
// This piece makes a massive assumption that all completion items will have a resultId associated with them and their
// data properties will all be the same. Therefore, we can inspect the first item and empty out the rest.
var commonDataItem = completionList.FirstOrDefault();
if (commonDataItem is null)
{
// No common data items, nothing to do
return(completionList);
}
var promotedCompletionItems = new List <CompletionItem>();
foreach (var completionItem in completionList.Items)
{
var clearedCompletionItem = completionItem with {
Data = null
};
promotedCompletionItems.Add(clearedCompletionItem);
}
var promotedCompletionList = new VSCompletionList(promotedCompletionItems, completionList.IsIncomplete)
{
CommitCharacters = completionList.CommitCharacters,
Data = commonDataItem.Data,
};
return(promotedCompletionList);
}
}
private static VSCompletionList PromoteCommonCommitCharactersOntoList(VSCompletionList completionList)
{
var commitCharacterReferences = new Dictionary <object, int>();
var highestUsedCount = 0;
Container <string> mostUsedCommitCharacters = null;
foreach (var completionItem in completionList.Items)
{
var commitCharacters = completionItem.CommitCharacters;
if (commitCharacters == null)
{
continue;
}
commitCharacterReferences.TryGetValue(commitCharacters, out var existingCount);
existingCount++;
if (existingCount > highestUsedCount)
{
// Capture the most used commit character counts so we don't need to re-iterate the array later
mostUsedCommitCharacters = commitCharacters;
highestUsedCount = existingCount;
}
commitCharacterReferences[commitCharacters] = existingCount;
}
// Promote the most used commit characters onto the list and remove duplicates from child items.
var promotedCompletionItems = new List <CompletionItem>();
foreach (var completionItem in completionList.Items)
{
if (completionItem.CommitCharacters == mostUsedCommitCharacters)
{
var clearedCompletionItem = completionItem with {
CommitCharacters = null
};
promotedCompletionItems.Add(clearedCompletionItem);
}
else
{
promotedCompletionItems.Add(completionItem);
}
}
var promotedCompletionList = new VSCompletionList(promotedCompletionItems, completionList.IsIncomplete)
{
CommitCharacters = mostUsedCommitCharacters,
Data = completionList.Data,
};
return(promotedCompletionList);
}
public static VSCompletionList Convert(CompletionList completionList, VSCompletionListCapability vsCompletionListCapability)
{
var vsCompletionList = new VSCompletionList(completionList);
if (vsCompletionListCapability.CommitCharacters)
{
PromoteCommonCommitCharactersOntoList(vsCompletionList);
}
if (vsCompletionListCapability.Data)
{
PromotedDataOntoList(vsCompletionList);
}
return(vsCompletionList);
}
private static void PromotedDataOntoList(VSCompletionList completionList)
{
// This piece makes a massive assumption that all completion items will have a resultId associated with them and their
// data properties will all be the same. Therefore, we can inspect the first item and empty out the rest.
var commonDataItem = completionList.FirstOrDefault();
if (commonDataItem is null)
{
// Empty list
return;
}
completionList.Data = commonDataItem.Data;
foreach (var completionItem in completionList.Items)
{
completionItem.Data = null;
}
}
public void Convert_CommitCharactersFalse_DoesNotTouchCommitCharacters()
{
// Arrange
var commitCharacters = new Container <string>("<");
var completionList = new CompletionList(
new CompletionItem()
{
Label = "Test",
CommitCharacters = commitCharacters
});
var capabilities = new VSCompletionListCapability()
{
CommitCharacters = false,
};
// Act
var vsCompletionList = VSCompletionList.Convert(completionList, capabilities);
// Assert
Assert.Collection(vsCompletionList.Items, item => Assert.Equal(commitCharacters, item.CommitCharacters));
Assert.Null(vsCompletionList.CommitCharacters);
}
private static void PromoteCommonCommitCharactersOntoList(VSCompletionList completionList)
{
var commitCharacterReferences = new Dictionary <object, int>();
var highestUsedCount = 0;
Container <string> mostUsedCommitCharacters = null;
foreach (var completionItem in completionList.Items)
{
var commitCharacters = completionItem.CommitCharacters;
if (commitCharacters == null)
{
continue;
}
commitCharacterReferences.TryGetValue(commitCharacters, out var existingCount);
existingCount++;
if (existingCount > highestUsedCount)
{
// Capture the most used commit character counts so we don't need to re-iterate the array later
mostUsedCommitCharacters = commitCharacters;
highestUsedCount = existingCount;
}
commitCharacterReferences[commitCharacters] = existingCount;
}
// Promoted the most used commit characters onto the list and then remove these from child items.
completionList.CommitCharacters = mostUsedCommitCharacters;
foreach (var completionItem in completionList.Items)
{
if (completionItem.CommitCharacters == completionList.CommitCharacters)
{
completionItem.CommitCharacters = null;
}
}
}
public OptimizedVSCompletionList(VSCompletionList completionList) : base(completionList)
{
CommitCharacters = completionList.CommitCharacters;
Data = completionList.Data;
}
