/// <summary>
/// Assigns a variable to the given context.
/// </summary>
/// <param name="context">The context, where to assign the variable to.</param>
/// <param name="name">The name of the variable.</param>
/// <param name="value">The value of the variable.</param>
static void AssignVariable(ParseContext context, String name, Value value)
{
var e = new VariableEventArgs(name, value);
if (value != null)
{
if (context._variables.ContainsKey(name))
{
context._variables[name] = value;
context.RaiseVariableChanged(e);
}
else
{
context._variables.Add(name, value);
context.RaiseVariableCreated(e);
}
}
else
{
if (context._variables.ContainsKey(name))
{
context._variables.Remove(name);
context.RaiseVariableRemoved(e);
}
}
}
/// <summary>
/// This is raised when a variable has been removed.
/// </summary>
/// <param name="e">The variable arguments.</param>
internal void RaiseVariableRemoved(VariableEventArgs e)
{
if (VariableRemoved != null)
{
VariableRemoved(this, e);
}
}
/// <summary>
/// This is raised when a variable has been removed.
/// </summary>
/// <param name="name">The name of the variable.</param>
/// <param name="value">The value of the variable.</param>
internal void RaiseVariableRemoved(string name, Value value)
{
if (OnVariableRemoved != null)
{
var args = new VariableEventArgs(name, value);
OnVariableRemoved(this, args);
}
}
/// <summary>
/// Clears the list of assigned variables.
/// </summary>
public ParseContext Clear()
{
foreach (var pair in _variables)
{
var e = new VariableEventArgs(pair.Key, pair.Value);
RaiseVariableRemoved(e);
}
_variables.Clear();
return(this);
}
/// <summary>
/// Assigns a variable to the given context.
/// </summary>
/// <param name="context">The context, where to assign the variable to.</param>
/// <param name="name">The name of the variable.</param>
/// <param name="value">The value of the variable.</param>
static void AssignVariable(ParseContext context, String name, Value value)
{
var e = new VariableEventArgs(name, value);
if (value != null)
{
if (context._variables.ContainsKey(name))
{
context._variables[name] = value;
context.RaiseVariableChanged(e);
}
else
{
context._variables.Add(name, value);
context.RaiseVariableCreated(e);
}
}
else
{
if (context._variables.ContainsKey(name))
{
context._variables.Remove(name);
context.RaiseVariableRemoved(e);
}
}
}
/// <summary>
/// This is raised when a variable has been removed.
/// </summary>
/// <param name="e">The variable arguments.</param>
internal void RaiseVariableRemoved(VariableEventArgs e)
{
if (VariableRemoved != null)
{
VariableRemoved(this, e);
}
}
/// <summary>
/// Clears the list of assigned variables.
/// </summary>
public ParseContext Clear()
{
foreach (var pair in _variables)
{
var e = new VariableEventArgs(pair.Key, pair.Value);
RaiseVariableRemoved(e);
}
_variables.Clear();
return this;
}