/// <summary>
/// 获取指令补全
/// </summary>
/// <param name="currentInput">当前的指令输入</param>
/// <returns></returns>
public static InputAttribution GetInstructionCompletion(InputAttribution currentInput)
{
if (string.IsNullOrEmpty(currentInput.content))
{
return(currentInput);
}
string targetInstructionLeft, targetInstructionPart, targetInstructionRight;
GetInstructionCompletionDepart(currentInput, out targetInstructionLeft, out targetInstructionPart, out targetInstructionRight);
if (string.IsNullOrEmpty(targetInstructionPart))
{
return(currentInput);
}
InputAttribution retn = currentInput; retn.selectEmpty = true;
string cp = "";
switch (GetInstructionCompletionPartType(targetInstructionPart))
{
case InstructionType.STARTUP:
cp = AInstruction_Startup.GetCompletion(targetInstructionPart);
break;
case InstructionType.MACRO:
cp = AInstruction_Macro.GetCompletion(targetInstructionPart);
break;
case InstructionType.CONST:
cp = AConstQuote.GetCompletion(targetInstructionPart);
break;
case InstructionType.BUILDIN:
break;
}
if (!string.IsNullOrEmpty(cp))
{
retn.content = targetInstructionLeft + cp + targetInstructionRight;
retn.selectStart = retn.caretPosition = currentInput.caretPosition;
retn.selectEnd = retn.selectStart + cp.Length - targetInstructionPart.Length - 1;
retn.selectEmpty = retn.selectEnd <= 0 || retn.selectEnd < retn.selectStart;
}
// Check const-instruction completion at last.
if (retn.selectEmpty)
{
cp = AConstInstruction.GetCompletion(targetInstructionPart);
retn.content = targetInstructionLeft + cp + targetInstructionRight;
retn.selectStart = retn.caretPosition = currentInput.caretPosition;
retn.selectEnd = retn.selectStart + cp.Length - targetInstructionPart.Length - 1;
retn.selectEmpty = retn.selectEnd <= 0 || retn.selectEnd < retn.selectStart;
}
return(retn);
}
public static void GetInstructionCompletionDepart(InputAttribution input, out string targetLeft, out string target, out string targetRight)
{
int blankBias = 1;
int targetInstructionStart = input.content.Substring(0, input.caretPosition).IndexOf(" ");
if (targetInstructionStart == -1)
{
targetInstructionStart = blankBias = 0;
}
target = input.content.Substring(targetInstructionStart + blankBias, input.caretPosition - targetInstructionStart - blankBias);
targetLeft = input.content.Substring(0, targetInstructionStart + blankBias);
targetRight = input.content.Substring(input.caretPosition) ?? "";
}
