public SectionInfo(string name, bool inverted, bool expression)
{
this.name = name;
this.inverted = inverted;
this.parts = new Collection <ITemplatePart>();
this.properties = new Dictionary <string, object>();
this.jsonKeys = new Collection <string>();
if (expression)
{
Match match = ExpressionRegex.Match(name);
if (match.Success)
{
this.name = match.Groups[1].Value.Trim() + ":" + match.Groups[2].Value.Trim();
string values = match.Groups[3].Value.Trim();
IEnumerable <KeyValuePair <string, string> > attributesMatches =
ExpressionParamRegex1.Matches(values)
.Cast <Match>()
.Concat(ExpressionParamRegex2.Matches(values).Cast <Match>())
.Where(
x =>
x.Success && !string.IsNullOrWhiteSpace(x.Groups[1].Value) &&
!string.IsNullOrWhiteSpace(x.Groups[2].Value))
.Select(x => new KeyValuePair <string, string>(x.Groups[1].Value, x.Groups[2].Value));
IEnumerable <KeyValuePair <string, string> > jsonMatches =
ExpressionParamRegex3.Matches(values)
.Cast <Match>()
.Concat(ExpressionParamRegex4.Matches(values).Cast <Match>())
.Where(
x =>
x.Success && !string.IsNullOrWhiteSpace(x.Groups[1].Value) &&
!string.IsNullOrWhiteSpace(x.Groups[2].Value))
.Select(x => new KeyValuePair <string, string>(x.Groups[1].Value, x.Groups[2].Value));
foreach (var attributesMatch in attributesMatches)
{
if (!this.properties.ContainsKey(attributesMatch.Key))
{
this.properties.Add(attributesMatch.Key, attributesMatch.Value);
}
}
foreach (var jsonMatch in jsonMatches)
{
if (!this.jsonKeys.Contains(jsonMatch.Key))
{
this.jsonKeys.Add(jsonMatch.Key);
this.properties.Add(jsonMatch.Key, jsonMatch.Value);
}
}
}
}
}
public static IEnumerable <T> Parse <T>(string expression,
Func <string, T> propertySelector,
Func <object, T> indexSelector)
{
if (propertySelector == null)
{
throw new ArgumentNullException("propertySelector");
}
if (indexSelector == null)
{
throw new ArgumentNullException("indexSelector");
}
expression = (expression ?? string.Empty).Trim();
if (expression.Length == 0)
{
yield break;
}
var match = ExpressionRegex.Match(expression);
if (!match.Success)
{
throw new FormatException(null);
}
var accessors =
from Capture c in match.Groups["a"].Captures
select c.Value.TrimStart('.') into text
let isIndexer = text[0] == '[' || text[0] == '('
select new { Text = text, IsIndexer = isIndexer };
var indexes =
from Capture c in match.Groups["i"].Captures
select c.Value into text
select text[0] == '\'' || text[0] == '\"'
? (object)text.Substring(1, text.Length - 2)
: int.Parse(text, NumberStyles.Integer, CultureInfo.InvariantCulture);
using (var i = indexes.GetEnumerator())
foreach (var a in accessors)
{
if (a.IsIndexer)
{
i.MoveNext();
}
yield return(a.IsIndexer ? indexSelector(i.Current) : propertySelector(a.Text));
}
}