public async Task <IEnumerable <Suggestion> > GetSuggestionsAsync(string userText, int cursorPos)
{
if (cursorPos < 0 || cursorPos > userText.Length)
{
return(new List <Suggestion>());
}
var sanitizedText = userText.Substring(0, cursorPos);
// first, remove anything that might be part of another command
// look backward for the follow characters and forget everything before them
// && ;
sanitizedText = RemoveTextBeforeAndIncluding(sanitizedText, new string[] { "&&", ";" }).Replace("~", shell.HomeDirectory).Trim();
// c<TAB> -> cd [command]
// ech<TAB> -> echo [command]
// cat b<TAB> -> cat bob [file]
// cat bob; ec[TAB] -> cat bob; echo [file]
if (sanitizedText.StartsWith("cd"))
{
return(CdCompletion.GetCompletions(sanitizedText, shell, cursorPos));
}
else if (sanitizedText.StartsWith("." + Path.DirectorySeparatorChar))
{
return(ExecutableCompletions.GetCompletions(sanitizedText, shell, cursorPos));
}
else
{
#pragma warning disable VSTHRD003 // Avoid awaiting foreign Tasks
return(await FileAndDirectoryCompletion.GetCompletionsAsync(sanitizedText, shell, cursorPos, commandsInPath));
#pragma warning restore VSTHRD003 // Avoid awaiting foreign Tasks
}
// user defined?
}
public void InternalFileResolution_ConvertToAbsolute()
{
using (var ms = new MemoryStream())
{
var fakeShell = new Shell
{
HomeDirectory = basePath,
WorkingDirectory = basePath
};
Assert.AreEqual(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), FileAndDirectoryCompletion.ConvertToAbsolute(basePath + "/..", fakeShell));
Assert.AreEqual(fakeShell.HomeDirectory + Path.DirectorySeparatorChar, FileAndDirectoryCompletion.ConvertToAbsolute("~/", fakeShell));
Assert.AreEqual(fakeShell.WorkingDirectory + Path.DirectorySeparatorChar, FileAndDirectoryCompletion.ConvertToAbsolute("./", fakeShell));
Assert.AreEqual(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "bob"), FileAndDirectoryCompletion.ConvertToAbsolute("~/../bob", fakeShell));
}
}