private void ReadInstructions()
{
Labels.Clear();
_instructions.Clear();
using (var memory = new MemoryStream(_msilBytes))
using (var reader = new BinaryReader(memory))
while (memory.Length > memory.Position)
{
var opcodeOffset = (int)memory.Position;
var instructionValue = (short)memory.ReadByte();
if (Prefixes.Contains(instructionValue))
{
instructionValue = (short)((instructionValue << 8) | memory.ReadByte());
}
if (!OpCodeLookup.TryGetValue(instructionValue, out OpCode opcode))
{
var msg = $"Unknown opcode {instructionValue:X}";
_log.Error(msg);
Debug.Assert(false, msg);
continue;
}
if (opcode.Size != memory.Position - opcodeOffset)
{
throw new Exception(
$"Opcode said it was {opcode.Size} but we read {memory.Position - opcodeOffset}");
}
var instruction = new MsilInstruction(opcode)
{
Offset = opcodeOffset
};
_instructions.Add(instruction);
instruction.Operand?.Read(this, reader);
}
}
/// <summary>
/// Determines whether <see cref="piece"/> is a given name component as opposed to an affix, initial or title.
/// </summary>
/// <param name="piece">A single word from a name</param>
/// <returns>False if <see cref="piece"/> is a prefix (de, abu, bin), suffix (jr, iv, cpa), title (mr, pope), or initial (x, e.); true otherwise</returns>
private static bool IsRootname(string piece)
{
var lcPiece = piece.ToLower().Replace(".", string.Empty);
return(!Suffixes.Contains(lcPiece) &&
!Prefixes.Contains(lcPiece) &&
!Titles.Contains(lcPiece) &&
!IsAnInitial(piece));
}
public void AddPrefix(string prefix)
{
if (Prefixes.Contains(prefix))
{
throw new Exception("Prefix already exists.");
}
else
{
Prefixes.Add(prefix);
}
}
public void RemovePrefix(string prefix)
{
if (!Prefixes.Contains(prefix))
{
throw new Exception("This is not a prefix in this server.");
}
else
{
Prefixes.Remove(prefix);
}
}
private bool TryExtractQueryFromRange(ITextRange range, out string prefix, out string query)
{
prefix = string.Empty;
query = string.Empty;
range.GetText(TextGetOptions.NoHidden, out var possibleQuery);
if (possibleQuery.Length > 0 && Prefixes.Contains(possibleQuery[0]) &&
!possibleQuery.Any(char.IsWhiteSpace) && string.IsNullOrEmpty(range.Link))
{
if (possibleQuery.Length == 1)
{
prefix = possibleQuery;
return(true);
}
prefix = possibleQuery[0].ToString();
query = possibleQuery.Substring(1);
return(true);
}
return(false);
}
private bool RemovePrefixIfStringContains(ref string str)
{
if (Prefixes == null)
{
return(false);
}
bool contain = false;
foreach (int count in PrefixesCount)
{
//contains some of the configurated prefixes
contain = Prefixes.Contains(str.Substring(0, count));
if (contain)
{
str = str.Remove(0, count);
return(contain);
}
}
return(contain);
}
private bool IsPrefix(string prefix)
{
return(Prefixes.Contains(prefix));
}
private static bool IsPrefix(string piece)
{
return(Prefixes.Contains(piece.ToLower().Replace(".", string.Empty)) && !IsAnInitial(piece));
}
private bool KeysContainsSomePrePostfix(IDictionary <string, object> dict)
{
if (Prefixes != null && Postfixes != null)
{
return(dict.Any(kvp =>
{
foreach (int count in PrefixesCount)
{
//contains some of the configurated prefixes or postfixes
if (Prefixes.Contains(kvp.Key.Substring(0, count)) ||
Postfixes.Contains(kvp.Key.Substring(kvp.Key.Length - count, count)))
{
return true;
}
else
{
return false;
}
}
return false;
}));
}
else if (Prefixes != null)
{
return(dict.Any(kvp =>
{
foreach (int count in PrefixesCount)
{
//contains some of the configurated prefixes
if (Prefixes.Contains(kvp.Key.Substring(0, count)))
{
return true;
}
else
{
return false;
}
}
return false;
}));
}
else if (Postfixes != null)
{
return(dict.Any(kvp =>
{
foreach (int count in PrefixesCount)
{
//contains some of the configurated postfixes
if (Postfixes.Contains(kvp.Key.Substring(kvp.Key.Length - count, count)))
{
return true;
}
else
{
return false;
}
}
return false;
}));
}
return(false);
//return dict.Any(kvp => (Prefixes.Contains(kvp.Key.Substring(0,)
}
public override Task <bool> ExecuteCheckAsync(CommandContext ctx, bool help) => Task.FromResult((help && ShowInHelp) || Prefixes.Contains(ctx.Prefix));