private static Dictionary <string, int> GetCharSuggs(MappingSequence mappingSequences, string pinglishWord, int index, Dictionary <string, int> charSuggs, int prefixGram, int postfixGram)
{
var tmpSuggs = GetSuggsForKey(mappingSequences, pinglishWord, index, prefixGram, postfixGram);
charSuggs = Union(charSuggs, tmpSuggs);
return(charSuggs);
}
private static Dictionary <string, int> GetSuggsForKey(MappingSequence mappingSequences, string pinglishWord, int index, int prefixGram, int postfixGram)
{
var prefix = MappingSequence.GetPrefixForIndex(pinglishWord, index, prefixGram);
if (prefix.Length != prefixGram)
{
return(new Dictionary <string, int>());
}
var postfix = MappingSequence.GetPostfixForIndex(pinglishWord, index, postfixGram);
if (postfix.Length != postfixGram)
{
return(new Dictionary <string, int>());
}
var ch = pinglishWord[index];
Dictionary <string, int> charSuggs = null;
try
{
// TODO: If Key does not exist ?!
var listOfAllSuggs = mappingSequences[ch, prefix, postfix];
if (listOfAllSuggs != null)
{
charSuggs = listOfAllSuggs.ToDictionary(sug => sug.Key, sug => sug.Value);
}
else
{
charSuggs = new Dictionary <string, int>();
}
}
catch (KeyNotFoundException ex)
{
throw ex;
}
return(charSuggs);
}