/// <summary>
/// Gets the value for a single macro symbol string.
/// </summary>
/// <returns>The expanded macro value.</returns>
/// <param name="symbolStr">macro symbol string.</param>
/// <param name="mcp">an object instance providing context for macro expansion.</param>
/// <param name="mcp2">an object instance providing secondary context for macro expansion.</param>
public static string GetValue(string symbolStr, IMacroContextProvider mcp, IMacroContextProvider mcp2 = null)
{
if (macroHandlers.ContainsKey(symbolStr))
{
MacroHandler svp = macroHandlers[symbolStr];
if (svp != null)
{
try {
return(svp.Invoke(mcp));
} catch (NotImplementedException) {
if (mcp2 != null)
{
try { return(svp.Invoke(mcp2)); } catch (NotImplementedException) { }
}
return(symbolStr + "[srcDataUnknown]");
}
}
else
{
return(symbolStr + "[unhandled]");
}
}
else
{
return(symbolStr + "[undefined]");
}
}
