public void AddTag(string codepoint, string tag)
{
/* Make sure this tag doesn't already exist. Why not use a set?
* Because the user might care about the order of their tags. */
if (CodepointToTags.ContainsKey(codepoint))
{
string upperTag = tag.ToUpper();
foreach (string existingTag in CodepointToTags[codepoint])
{
if (upperTag == existingTag.ToUpper())
{
return;
}
}
}
if (!TagToCodepoints.ContainsKey(tag))
{
TagToCodepoints[tag] = new List <string>();
}
TagToCodepoints[tag].Add(codepoint);
if (!CodepointToTags.ContainsKey(codepoint))
{
CodepointToTags[codepoint] = new List <string>();
}
CodepointToTags[codepoint].Add(tag);
}
public IEnumerable <string> GetCodepoints(string tag)
{
if (TagToCodepoints.ContainsKey(tag))
{
return(TagToCodepoints[tag]);
}
else
{
return(Enumerable.Empty <string>());
}
}
public void RemoveTag(string codepoint, string tag)
{
if (TagToCodepoints.ContainsKey(tag))
{
TagToCodepoints[tag].Remove(codepoint);
}
if (CodepointToTags.ContainsKey(codepoint))
{
CodepointToTags[codepoint].Remove(tag);
}
}
