void ProcessListBoxDoubleClick(string entry)
{
string line = MainForm.InputBox.Text;
int offset = MainForm.InputBox.SelectionStart;
CommandArguments arguments;
CommandArgument activeArgument;
try
{
arguments = new CommandArguments(line);
activeArgument = arguments.FindMatchingResult(offset);
PerformInputBoxReplacement(line, entry, activeArgument);
}
catch (ArgumentException)
{
Beep();
return;
}
}
void AttemptProcessExecution(CommandArguments arguments)
{
try
{
ProcessIOActive = false;
//check for executable programs matching that name
Process = new Process();
ProcessStartInfo info = Process.StartInfo;
info.UseShellExecute = false;
info.RedirectStandardInput = true;
info.RedirectStandardOutput = true;
info.RedirectStandardError = true;
info.FileName = arguments.Command.Argument;
info.Arguments = arguments.GetQuotedArguments();
info.WindowStyle = ProcessWindowStyle.Hidden;
info.CreateNoWindow = true;
Process.Start();
StandardOutputReader = new AsynchronousReader(this, HandleStandardOutputRead, Process.StandardOutput);
StandardErrorReader = new AsynchronousReader(this, HandleStandardErrorRead, Process.StandardError);
new Thread(ProcessTerminationCheckThread).Start();
ProcessIOActive = true;
}
catch (System.ComponentModel.Win32Exception exception)
{
Process = null;
ProcessIOActive = false;
PrintError(exception.Message);
PromptAndSelect();
}
}
void Tab()
{
lock (this)
{
CloseAutoCompletionForm();
int offset = MainForm.InputBox.SelectionStart;
string line = MainForm.InputBox.Text;
CommandArguments arguments;
try
{
arguments = new CommandArguments(line);
}
catch (ArgumentException)
{
//there was a missing quote - this could possibly be handed by automatically attaching another quote at the end
Beep();
return;
}
CommandArgument activeArgument;
try
{
activeArgument = arguments.FindMatchingResult(offset);
}
catch (ArgumentException)
{
//the cursor of the user was not within the boundaries of any argument within the line
Beep();
return;
}
string argumentString = activeArgument.Argument;
//fix for weird tabbing behaviour on Windows for strings like "c:"
if (IsWindows && argumentString.Length == 2 && Char.IsLetter(argumentString[0]) && argumentString[1] == ':')
argumentString += Path.DirectorySeparatorChar;
HashSet<string> autoCompletionStrings = new HashSet<string>();
if (System.Object.ReferenceEquals(activeArgument, arguments.Command))
{
//the user is performing the tab within the first unit of the input - that is the command unit
foreach (string i in PathNames)
autoCompletionStrings.Add(i);
}
else
{
//the user is performing the tab within the boundaries of one of the argument units and not the command unit
List<string> currentDirectory = LoadDirectoryContentsForAPathToAFile(argumentString);
foreach (string i in currentDirectory)
autoCompletionStrings.Add(i);
}
if (Nil.File.GetFileType(argumentString) == Nil.File.FileType.Directory)
{
//the current argument the user is tabbing in refers to a directory
List<string> directoryContent = LoadDirectoryContent(argumentString);
foreach (string i in directoryContent)
autoCompletionStrings.Add(i);
}
else
{
//the tabbed argument either refers to a file or is simply incomplete and refers to neither a file nor a directory
//just add the directory it currently refers to then
List<string> directoryContent = LoadDirectoryContentsForAPathToAFile(argumentString);
foreach (string i in directoryContent)
autoCompletionStrings.Add(i);
}
//filter out the strings which do not match the tabbed argument
List<string> filteredAutoCompletionStrings = new List<string>();
foreach (string target in autoCompletionStrings)
{
if
(
target.Length >= argumentString.Length &&
CaseInsensitiveStringComparison(argumentString, target.Substring(0, argumentString.Length))
)
filteredAutoCompletionStrings.Add(target);
}
if (filteredAutoCompletionStrings.Count == 0)
{
//no matches could be found
Beep();
return;
}
if (filteredAutoCompletionStrings.Count > 1)
ShowAutoCompletionForm(filteredAutoCompletionStrings);
string longestCommonSubstring = GetLongestCommonSubstring(filteredAutoCompletionStrings, argumentString.Length);
if (longestCommonSubstring == argumentString)
{
//no better match could be found, play a beep
Beep();
return;
}
PerformInputBoxReplacement(line, longestCommonSubstring, activeArgument);
}
}
public void Execute(string line)
{
line = line.Trim();
if (line.Length == 0)
return;
CommandArguments arguments;
try
{
arguments = new CommandArguments(line);
//visualiseArguments(arguments);
}
catch (ArgumentException exception)
{
PrintError(exception.Message);
PromptAndSelect();
return;
}
Execute(arguments);
}
void VisualiseArguments(CommandArguments arguments)
{
PrintLine("Command: \"" + arguments.Command + "\"");
string output = "Arguments:";
for (int i = 0; i < arguments.Arguments.Length; i++)
{
string argument = arguments.Arguments[i].Argument;
output += " " + (i + 1).ToString() + ". \"" + argument + "\"";
}
PrintLine(output);
}
public void Execute(CommandArguments arguments)
{
string command = arguments.Command.Argument;
if (CommandHandlerDictionary.ContainsKey(command))
{
CommandHandler handler = CommandHandlerDictionary[command];
if (handler.ArgumentCount != -1 && arguments.Arguments.Length != handler.ArgumentCount)
{
PrintError("Invalid argument count.");
PrintLine(handler.Usage());
}
else
handler.Function(arguments.GetArgumentString());
PromptAndSelect();
}
else
{
if (ProgramConfiguration.Aliases.ContainsKey(command))
{
string aliasLine = ProgramConfiguration.Aliases[command] + " " + arguments.GetQuotedArguments();
Execute(aliasLine);
}
else
{
if (PerformChangeDirectoryCheck(arguments.Command.Argument))
return;
AttemptProcessExecution(arguments);
return;
}
}
}
