public void PreviousInput(IConsoleState state)
{
var inputHistory = state.InputHistory;
var input = inputHistory.GetPreviousInput();
WriteText(state, input);
}
public void MoveCursorRight(IConsoleState state)
{
if (state.IsEndOfTextPosition())
{
return;
}
_console.CursorLeft = ++state.ColPosition;
}
public void MoveCursorLeft(IConsoleState state)
{
if (state.IsStartOfTextPosition())
{
return;
}
_console.CursorLeft = --state.ColPosition;
}
public void MoveCursorUp(IConsoleState state)
{
if (state.IsStartOfRowTextPosition())
{
return;
}
--state.TextRowPosition;
_console.CursorTop = --state.RowPosition;
}
public InteractiveLoop(IConsole console, IConsoleKeyHandler consoleKeyHandler, IConsoleWriter consoleWriter,
IReplEngine replEngine, ILoop loop, IConsoleState consoleState)
{
_console = console;
_consoleKeyHandler = consoleKeyHandler;
_consoleWriter = consoleWriter;
_replEngine = replEngine;
_loop = loop;
_consoleState = consoleState;
}
public async Task Completions(IConsoleState state)
{
var text = state.Text;
var inputHistory = state.InputHistory;
var variables = state.Variables;
var currentCode = text.ToString();
var allCode = $"{inputHistory.AllInputsAsString()}{Environment.NewLine}{currentCode}";
await _completionsWriter.WriteAllCompletions(allCode, variables);
WriteFullLine(state.Prompt, currentCode);
}
private void WriteText(IConsoleState state, string?text)
{
// remove old lines
var oldCodeLines = state.TextSplitLines;
for (var index = oldCodeLines.Length - 1; index >= 0; index--)
{
_console.ClearLine();
// if a single or last line of code do not move up in console
if (index == 0)
{
break;
}
_console.CursorTop -= 1;
}
// add new lines
state.Text.ReplaceWith(text);
var codeLines = state.TextSplitLines;
var lastLine = "";
for (var index = 0; index < codeLines.Length; index++)
{
var line = codeLines[index];
var prompt = index == 0
? state.Prompt
: Prompt.Continue;
// if not the last line keep adding newline before writing to console
var endOfLine = index == codeLines.Length - 1
? ""
: Environment.NewLine;
var code = $"{line}{endOfLine}";
_console.Write($"{prompt} {code}");
lastLine = line;
}
var position = state.Prompt.Length + lastLine.Length + 1;
_console.CursorLeft = position;
state.ColPosition = position;
}
public string Process(IConsoleState state)
{
var inputKeyCommandMap = _consoleKeyCommands.GetInputKeyCommandMap();
while (true)
{
var input = _console.ReadKey(intercept: true);
if (input.Key == ConsoleKey.Enter)
{
// set current row position back to bottom of text area especially if multiline edit
_console.CursorTop += state.TextSplitLines.Length;
break;
}
if (inputKeyCommandMap.TryGetValue((input.Key, input.Modifiers), out var runCommand))
{
runCommand(state);
}
public void WriteChar(IConsoleState state, char inputChar)
{
_editCommands.WriteChar(state, inputChar);
}
public void WriteChar(IConsoleState state, char inputChar)
{
var endText = state.IsTextEmpty() || state.TextColPosition > state.Text.Length
? ""
: state.CurrentLineText[state.TextColPosition..];
