/// <summary>
/// Execute this command.
/// </summary>
/// <param name="variables">The variable list of the calling code.</param>
public override void Execute(VariableList variables)
{
string[] processed = ProcessParameters(variables, Parameters);
string value0 = variables.VariableGet(processed[0]);
string value1 = variables.VariableGet(processed[1]);
variables.VariableSet(processed[0], value1);
variables.VariableSet(processed[1], value0);
}
/// <summary>
/// Execute this command.
/// </summary>
/// <param name="variables">The variable list of the calling code.</param>
public override void Execute(VariableList variables)
{
string[] processed = ProcessParameters(variables, Parameters);
string value0 = variables.VariableGet(processed[0]);
string value1 = variables.VariableGet(processed[1]);
variables.VariableSet(processed[0], value1);
variables.VariableSet(processed[1], value0);
}
/// <summary>
/// Processes an array of strings to dereference variables and replace special characters and strings.
/// </summary>
/// <param name="variables">The variable list.</param>
/// <param name="parameters">Array of parameter strings.</param>
/// <returns>Processed parameters array of strings.</returns>
public static string[] ProcessParameters(VariableList variables, string[] parameters)
{
string[] processed = new string[parameters.Length];
for (int index = 0; index < parameters.Length; index++)
{
if (String.IsNullOrEmpty(parameters[index]))
{
processed[index] = parameters[index];
}
else
{
string newParam = parameters[index];
if (newParam.StartsWith(VariableList.VariablePrefix, StringComparison.OrdinalIgnoreCase))
{
newParam = variables.VariableGet(newParam.Substring(VariableList.VariablePrefix.Length));
}
newParam = ReplaceSpecial(newParam);
processed[index] = newParam;
}
}
return(processed);
}
/// <summary>
/// Processes an array of strings to dereference variables and replace special characters and strings.
/// </summary>
/// <param name="variables">The variable list.</param>
/// <param name="parameters">Array of parameter strings.</param>
/// <returns>Processed parameters array of strings.</returns>
public static string[] ProcessParameters(VariableList variables, string[] parameters)
{
string[] processed = new string[parameters.Length];
for (int index = 0; index < parameters.Length; index++)
{
if (String.IsNullOrEmpty(parameters[index]))
{
processed[index] = parameters[index];
}
else
{
string newParam = parameters[index];
if (newParam.StartsWith(VariableList.VariablePrefix, StringComparison.OrdinalIgnoreCase))
newParam = variables.VariableGet(newParam.Substring(VariableList.VariablePrefix.Length));
newParam = ReplaceSpecial(newParam);
processed[index] = newParam;
}
}
return processed;
}