public ExpressionConverterValue GetValue(List <ExpressionConverterElement> macrosList, object value)
{
ExpressionConverterValue macrosValue = null;
foreach (var macrosElement in macrosList)
{
macrosValue = GetValue(macrosElement, value, macrosValue);
}
return(macrosValue);
}
/// <summary>
/// Converts string value with specified macros.
/// </summary>
/// <param name="macrosElement">Macros element.</param>
/// <param name="value">Converting value.</param>
/// <param name="macrosValue">Macros value.</param>
/// <returns>Converted string value.</returns>
public ExpressionConverterValue GetValue(ExpressionConverterElement macrosElement, object value, ExpressionConverterValue macrosValue = null)
{
if (macrosValue == null)
{
macrosValue = new ExpressionConverterValue();
}
else
{
value = macrosValue.Data;
}
if (ExpressionConverterCollection == null)
{
ExpressionConverterCollection = new Dictionary <string, string>();
var assembly = Type.GetType("Terrasoft.Configuration.ExpressionConverterElement").Assembly;
var types =
from type in assembly.GetTypes()
let attributes = type.GetCustomAttributes(typeof(ExpressionConverterAttribute), true)
where attributes != null && attributes.Length > 0
select type;
foreach (var type in types)
{
var attributes = type.GetCustomAttributes(typeof(ExpressionConverterAttribute), true);
if (attributes.Count() > 0)
{
if (!ExpressionConverterCollection.ContainsKey(
((ExpressionConverterAttribute)attributes[0]).ExpressionName))
{
ExpressionConverterCollection.Add(((ExpressionConverterAttribute)attributes[0]).ExpressionName,
string.Format("Terrasoft.Configuration.{0}", type.Name));
}
}
}
}
if (ExpressionConverterCollection.ContainsKey(macrosElement.Name))
{
Type expressionConverterClass = Type.GetType(ExpressionConverterCollection[macrosElement.Name]);
var expressionConverter = (IExpressionConverter)Activator.CreateInstance(expressionConverterClass);
if (expressionConverter != null)
{
macrosValue.Data = expressionConverter.Evaluate(value, macrosElement.Argument);
}
}
return(macrosValue);
}
