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Fixed parsing errors when the first argument is on a new line

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This commit is contained in:
RogueException
2016-07-30 00:29:25 -03:00
parent c5569a44ea
commit 3077249705
1 changed files with 32 additions and 17 deletions
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49
src/Discord.Net.Commands/Map/CommandMap.cs
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@@ -6,6 +6,8 @@ namespace Discord.Commands
{
internal class CommandMap
{
static readonly char[] _whitespaceChars = new char[] { ' ', '\r', '\n' };
private readonly ConcurrentDictionary<string, CommandMapNode> _nodes;
public CommandMap()
@@ -16,15 +18,16 @@ namespace Discord.Commands
public void AddCommand(Command command)
{
string text = command.Text;
int nextSpace = text.IndexOf(' ');
int nextSpace = NextWhitespace(text);
string name;
if (nextSpace == -1)
name = command.Text;
else
name = command.Text.Substring(0, nextSpace);
lock (this)
{
if (nextSpace == -1)
name = command.Text;
else
name = command.Text.Substring(0, nextSpace);
var nextNode = _nodes.GetOrAdd(name, x => new CommandMapNode(x));
nextNode.AddCommand(nextSpace == -1 ? "" : text, nextSpace + 1, command);
}
@@ -32,16 +35,16 @@ namespace Discord.Commands
public void RemoveCommand(Command command)
{
string text = command.Text;
int nextSpace = text.IndexOf(' ');
int nextSpace = NextWhitespace(text);
string name;
if (nextSpace == -1)
name = command.Text;
else
name = command.Text.Substring(0, nextSpace);
lock (this)
{
if (nextSpace == -1)
name = command.Text;
else
name = command.Text.Substring(0, nextSpace);
CommandMapNode nextNode;
if (_nodes.TryGetValue(name, out nextNode))
{
@@ -54,16 +57,16 @@ namespace Discord.Commands
public IEnumerable<Command> GetCommands(string text)
{
int nextSpace = text.IndexOf(' ');
int nextSpace = NextWhitespace(text);
string name;
if (nextSpace == -1)
name = text;
else
name = text.Substring(0, nextSpace);
lock (this)
{
if (nextSpace == -1)
name = text;
else
name = text.Substring(0, nextSpace);
CommandMapNode nextNode;
if (_nodes.TryGetValue(name, out nextNode))
return nextNode.GetCommands(text, nextSpace + 1);
@@ -71,5 +74,17 @@ namespace Discord.Commands
return Enumerable.Empty<Command>();
}
}
private static int NextWhitespace(string text)
{
int lowest = int.MaxValue;
for (int i = 0; i < _whitespaceChars.Length; i++)
{
int index = text.IndexOf(_whitespaceChars[i]);
if (index != -1 && index < lowest)
lowest = index;
}
return (lowest != int.MaxValue) ? lowest : -1;
}
}
}