/// <summary>
/// Takes in the words of a mnemonic sentence and it rebuilds the word index, having the valid index allows us to hot swap between languages/word lists :)
/// </summary>
/// <param name="wordsInMnemonicSentence"> a string array containing each word in the mnemonic sentence</param>
/// <returns>The word index that can be used to build the mnemonic sentence</returns>
private List <int> pRebuildWordIndexes(string[] wordsInMnemonicSentence)
{
List <int> wordIndexList = new List <int>();
string langName = cEmptyString;
Wordlists.Wordlist wordlist;
switch (_language)
{
case Language.English:
wordlist = new Wordlists.English();
langName = "English";
break;
case Language.Japanese:
wordlist = new Wordlists.Japanese();
langName = "Japanese";
break;
case Language.Spanish:
wordlist = new Wordlists.Spanish();
langName = "Spanish";
break;
case Language.ChineseSimplified:
wordlist = new Wordlists.ChineseSimplified();
langName = "Chinese Simplified";
break;
case Language.ChineseTraditional:
wordlist = new Wordlists.ChineseTraditional();
langName = "Chinese Traditional";
break;
case Language.French:
wordlist = new Wordlists.French();
langName = "French";
break;
default:
wordlist = new Wordlists.English();
langName = "English";
break;
}
foreach (string s in wordsInMnemonicSentence)
{
int idx = -1;
if (!wordlist.WordExists(s, out idx))
{
throw new Exception("Word " + s + " is not in the wordlist for language " + langName + " cannot continue to rebuild entropy from wordlist");
}
wordIndexList.Add(idx);
}
return(wordIndexList);
}
/// <summary>
/// Uses the Wordlist Index to create a scentence ow words provided by the wordlist of this objects language attribute
/// </summary>
/// <returns>A scentence of words</returns>
private string pGetMnemonicSentence()
{
//trap for words that were not in the word list when built. If custom words were used, we will not support the rebuild as we don't have the words
if (_wordIndexList.Contains(-1))
{
throw new Exception("the wordlist index contains -1 which means words were used in the mnemonic sentence that cannot be found in the wordlist and the index to sentence feature cannot be used. Perhaps a different language wordlist is needed?");
}
string mSentence = cEmptyString;
Wordlists.Wordlist wordlist;
switch (_language)
{
case Language.English:
wordlist = new Wordlists.English();
break;
case Language.Japanese:
wordlist = new Wordlists.Japanese();
break;
case Language.Spanish:
wordlist = new Wordlists.Spanish();
break;
case Language.ChineseSimplified:
wordlist = new Wordlists.ChineseSimplified();
break;
case Language.ChineseTraditional:
wordlist = new Wordlists.ChineseTraditional();
break;
case Language.French:
wordlist = new Wordlists.French();
break;
default:
wordlist = new Wordlists.English();
break;
}
for (int i = 0; i < _wordIndexList.Count; i++)
{
mSentence += wordlist.GetWordAtIndex(_wordIndexList[i]);
if (i + 1 < _wordIndexList.Count)
{
mSentence += " ";
}
}
return(mSentence);
}
/// <summary>
/// Takes in a string[] of words and detects the language that has the highest number of matching words.
/// </summary>
/// <param name="words">The words of which you wish to derive a language</param>
/// <returns>The best attempt at a guessed Language</returns>
public static Language AutoDetectLanguageOfWords(string[] words)
{
Wordlists.English eng = new Wordlists.English();
Wordlists.Japanese jp = new Wordlists.Japanese();
Wordlists.Spanish es = new Wordlists.Spanish();
Wordlists.French fr = new Wordlists.French();
Wordlists.ChineseSimplified cnS = new Wordlists.ChineseSimplified();
Wordlists.ChineseTraditional cnT = new Wordlists.ChineseTraditional();
List <int> languageCount = new List <int>(new int[] { 0, 0, 0, 0, 0, 0 });
int index;
foreach (string s in words)
{
if (eng.WordExists(s, out index))
{
//english is at 0
languageCount[0]++;
}
if (jp.WordExists(s, out index))
{
//japanese is at 1
languageCount[1]++;
}
if (es.WordExists(s, out index))
{
//spanish is at 2
languageCount[2]++;
}
if (cnS.WordExists(s, out index))
{
//chinese simplified is at 3
languageCount[3]++;
}
if (cnT.WordExists(s, out index) && !cnS.WordExists(s, out index))
{
//chinese traditional is at 4
languageCount[4]++;
}
if (fr.WordExists(s, out index))
{
//french is at 5
languageCount[5]++;
}
}
//no hits found for any language unknown
if (languageCount.Max() == 0)
{
return(Language.Unknown);
}
if (languageCount.IndexOf(languageCount.Max()) == 0)
{
return(Language.English);
}
else if (languageCount.IndexOf(languageCount.Max()) == 1)
{
return(Language.Japanese);
}
else if (languageCount.IndexOf(languageCount.Max()) == 2)
{
return(Language.Spanish);
}
else if (languageCount.IndexOf(languageCount.Max()) == 3)
{
if (languageCount[4] > 0)
{
//has traditional characters so not simplified but instead traditional
return(Language.ChineseTraditional);
}
return(Language.ChineseSimplified);
}
else if (languageCount.IndexOf(languageCount.Max()) == 4)
{
return(Language.ChineseTraditional);
}
else if (languageCount.IndexOf(languageCount.Max()) == 5)
{
return(Language.French);
}
return(Language.Unknown);
}
