static void TestCorrectPointComparer()
{
var c1 = new CorrectPoint()
{
CharIndex = 0,
Length = 2
};
var c2 = new CorrectPoint()
{
CharIndex = 0,
Length = 3
};
var c3 = new CorrectPoint()
{
CharIndex = 3,
Length = 3
};
var correctPoints = new List <CorrectPoint>()
{
c1, c2, c3
};
correctPoints = correctPoints.OrderBy(x => x, new CorrectPointComparer()).ToList();
foreach (var cp in correctPoints)
{
Console.WriteLine($"startIndex = {cp.CharIndex}, Length={cp.Length}");
}
}
private bool CheckCorrectPoint(IList <string> originWords, CorrectPoint correctPoint)
{
var wordsList = new List <string>();
var candidatesWords = new List <string>();
if (correctPoint.WordIndex != 0)
{
wordsList.Add(originWords[correctPoint.WordIndex - 1]);
candidatesWords.Add(originWords[correctPoint.WordIndex - 1]);
}
wordsList.AddRange(originWords.Skip(correctPoint.WordIndex).Take(correctPoint.Length));
candidatesWords.Add("[PlaceHolder]");
if (correctPoint.WordIndex + correctPoint.Length < originWords.Count)
{
wordsList.Add(originWords[correctPoint.WordIndex + correctPoint.Length]);
candidatesWords.Add(originWords[correctPoint.WordIndex + correctPoint.Length]);
}
var originScore = CalculateScore(wordsList);
var pinyinSeqCandidates =
PinyinTool.ChineseWord2PinyinSeqCandidates(
string.Join("", originWords.Skip(correctPoint.WordIndex).Take(correctPoint.Length)));
double minCandidateScore = double.MaxValue;
string candidateWord = null;
foreach (var pinyinSeq in pinyinSeqCandidates)
{
var chineseWordCandidates = PinyinTool.PinyinSequence2ChineseWordsCandidates(pinyinSeq.Split(' '));
foreach (var candidate in chineseWordCandidates)
{
var placeHodlerIndex = correctPoint.WordIndex == 0 ? 0 : 1;
candidatesWords[placeHodlerIndex] = candidate;
var currentScore = CalculateScore(candidatesWords);
if (currentScore < minCandidateScore)
{
candidateWord = candidate;
minCandidateScore = currentScore;
}
}
}
if (candidateWord == null)
{
return(false);
}
correctPoint.Score = minCandidateScore;
correctPoint.Word = candidateWord;
return(originScore - correctPoint.Score > ThresholdGap);
}
