public string Decompose(string compositionName, string value)
{
var composition = this.compositionProvider.GetComposition(compositionName);
var textParts = new TextParts(composition);
var stringParts = this.GetStringParts(textParts, new[] { String.Empty });
var collection = textParts.Parts.Select((part, idx) => new {
Part = part,
Parameters = stringParts[idx],
Index = idx
}).ToArray();
var index = 0;
foreach (var set in collection)
{
if (set.Part.Parts.Any(str => str.Equals("$")))
break;
index++;
var subPart = set.Parameters.Where(value.StartsWith).Aggregate(String.Empty,
(current, part) => part.Length > current.Length ? part : current);
value = value.Substring(subPart.Length);
}
foreach (var set in collection.Skip(index).Reverse())
{
var subPart = set.Parameters.Where(value.EndsWith).Aggregate(String.Empty,
(current, part) => part.Length > current.Length ? part : current);
value = value.Substring(0, value.Length - subPart.Length);
}
return value;
}
private string[][] GetStringParts(TextParts textParts, IEnumerable<string> looseParameters)
{
return textParts.Parts.Select(
textPart => textPart.IsParameter
? this.GetParametersWithPart(textPart, looseParameters).ToArray()
: textPart.Parts).ToArray();
}
private IEnumerable<string> GetCompositionStrings(string composition, IEnumerable<string> looseParameters)
{
var textParts = new TextParts(composition);
var stringParts = this.GetStringParts(textParts, looseParameters);
// ReSharper disable once CoVariantArrayConversion
return Compose(stringParts);
}