Get() public method

public Get ( Key key, Logger log = null ) : Variable
key Key
log Logger
return Variable
Context Class Documentation
Exemplo n.º 1
0
		/// <summary>
		/// Execute a line of code.
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="line"></param>
		/// <param name="output"></param>
		internal void ExecLine(Context sender, string line, StringBuilder output)
		{
			var log = sender.Root.Log;
			string key;
			Variable[] args;

			int i = 0;
			char c;
			while (i < line.Length && !sender.ExitLine)
			{
				c = line[i];
				++i;
				switch (c)
				{
					case '#':
					case '@':
						execSplitCommand(sender, line, ref i, out key, out args);
						if (key != null)
						{
							Variable variable = sender.Get(new Key(key, sender), log);
							if (variable == null || variable.IsSet == false)
								continue;
							var func = variable.Value as Function;
							if (func != null)
								variable = func(sender, args);
							// ToDo : Do we need to do anything to other value types?

							// output if @
							if (c == '@' && variable != null)
								variable.WriteValueUser(sender, output);
						}
						else
						{
							if (c == '@' && args != null && args.Length > 0 && args[0] != null)
								args[0].WriteValueUser(sender, output);
						}
						break;

					//case '\\':
					// ToDo : escape character.
					//break;
					default:
						output.Append(c);
						break;
				}
			}
		}
Exemplo n.º 2
0
		/// <summary>
		/// Check whats in sb, then add it to the list.
		/// [float, bool, and, or, variable]
		/// </summary>
		/// <returns>false if nothing was added.</returns>
		private void execParenthCheckAdd(Context sender, List<execParenthItem> items, StringBuilder sb)
		{
			if (sb.Length == 0)
				return;

			bool isFloat;
			bool isPercent;
			string str = KeyClean(sb.ToString(), out isFloat, out isPercent, sender.Root.Log);
			sb.Clear();
			if (str == null)
				return;
			// is str float?
			if (isFloat)
				items.Add(new Variable(float.Parse(str)));
			// percent to float?
			else if (isPercent)
				items.Add(new Variable(float.Parse(str) * 0.01f));
			// bool
			else if (str == "true")
				items.Add(new Variable(true));
			else if (str == "false")
				items.Add(new Variable(false));
			// logic operators
			else if (str == "not")
				items.Add(Operators.Not);
			else if (str == "and")
				items.Add(Operators.And);
			else if (str == "or")
				items.Add(Operators.Or);
			else // variable
				items.Add(sender.Get(new Key(str, sender)));
			return;
		}