public ReferenceReplacer(string text, ref ReferenceCollection references, ReferenceOrder order)
{
_usedReferences = new ReferenceCollection();
_badIds = new HashSet<string>();
_unknownIds = new HashSet<int>();
_unknownTags = new HashSet<string>();
_replacements = new Dictionary<string, Reference[]>();
var re = new Regex(@"\[\[(([" + RefIdPrefix + @"\d\w\s" + RefDelimiter + @"]+)?)\]\]", RegexOptions.IgnoreCase);
foreach (Match match in re.Matches(text))
{
var refText = match.Groups[0].Captures[0].Value;
var refList = match.Groups[1].Captures[0].Value;
if (_replacements.ContainsKey(refText)) continue;
var parts = refList.Split(new[] {RefDelimiter}, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 1)
{
// Replacements with no references supposed to be deleted from document
_replacements.Add(refText, null);
continue;
}
var refs = new HashSet<Reference>();
foreach (var part in parts.Select(part => part.Trim()).Where(p => p.Length != 0))
{
Reference reference;
if (part[0] == '#')
{
int id;
if (!Int32.TryParse(part.Substring(1), NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite, CultureInfo.InvariantCulture, out id))
{
_badIds.Add(part);
continue;
}
reference = references.GetById(id);
if (reference == null)
{
_unknownIds.Add(id);
continue;
}
}
else
{
reference = references.GetByTag(part);
if (reference == null)
{
_unknownTags.Add(part);
continue;
}
}
refs.Add(reference);
if (!_usedReferences.Contains(reference))
{
_usedReferences.Add(reference);
}
}
_replacements.Add(refText, refs.ToArray());
}
_usedReferences.Sort(order);
for (var i = 0; i < _usedReferences.Count; i++)
{
_usedReferences[i].RefNum = i + 1;
}
}