/// <summary>
/// Compare two object o1 and o2. Both objects o1 and o2 are
/// CSpellScore. The compare algorithm:
/// </summary>
/// <param name="o1"> first object to be compared </param>
/// <param name="o2"> second object to be compared
/// </param>
/// <returns> a negative integer, 0, or positive integer to represent the
/// object o1 is less, equals, or greater than object 02. </returns>
public virtual int Compare(CSpellScore o1, CSpellScore o2)
{
OrthographicScoreComparator <OrthographicScore> osc = new OrthographicScoreComparator <OrthographicScore>();
OrthographicScore oScore1 = ((CSpellScore)o1).GetOScore();
OrthographicScore oScore2 = ((CSpellScore)o2).GetOScore();
int @out = osc.Compare(oScore1, oScore2);
// the following code are simplfied by above
// We still keep this java file in case we need better implementation
// in the future
/// <summary>
/// int out = 0;
/// // 1. compared by orthographic score, best
/// OrthographicScore oScore1 = ((CSpellScore) o1).GetOScore();
/// OrthographicScore oScore2 = ((CSpellScore) o2).GetOScore();
/// if(oScore1.GetScore() != oScore2.GetScore())
/// {
/// OrthographicScoreComparator<OrthographicScore> osc
/// = new OrthographicScoreComparator<OrthographicScore>();
/// out = osc.compare(oScore1, oScore2);
/// }
/// else
/// {
/// String cand1 = ((CSpellScore) o1).GetCandStr();
/// String cand2 = ((CSpellScore) o2).GetCandStr();
/// out = cand2.compareTo(cand1);
/// }
///
/// </summary>
return(@out);
}
/// <summary>
/// Compare two object o1 and o2. Both objects o1 and o2 are
/// NoisyChannelScore. The compare algorithm:
/// </summary>
/// <param name="o1"> first object to be compared </param>
/// <param name="o2"> second object to be compared
/// </param>
/// <returns> a negative integer, 0, or positive integer to represent the
/// object o1 is less, equals, or greater than object 02. </returns>
public virtual int Compare(NoisyChannelScore o1, NoisyChannelScore o2)
{
// 1. compare how many words for the candidates
// for now, we assume less word is better,
// i.e. whatever is better than "what ever"
int @out = 0;
string cand1 = ((NoisyChannelScore)o1).GetCandStr();
string cand2 = ((NoisyChannelScore)o2).GetCandStr();
int wordNo1 = TermUtil.GetWordNo(cand1);
int wordNo2 = TermUtil.GetWordNo(cand2);
if (wordNo1 != wordNo2)
{
@out = wordNo1 - wordNo2; // less wordNo has higher rank
}
else
{
// 2. compare noisy Channel score
double score1 = ((NoisyChannelScore)o1).GetScore();
double score2 = ((NoisyChannelScore)o2).GetScore();
// SCR-2: use a fixed number to ensure result is not 0.
if (score2 > score1)
{
// from high to low
@out = 1;
}
else if (score2 < score1)
{
@out = -1;
}
else
{
// 3. compare by orthographic score
OrthographicScore oScore1 = ((NoisyChannelScore)o1).GetOScore();
OrthographicScore oScore2 = ((NoisyChannelScore)o2).GetOScore();
if (oScore1.GetScore() != oScore2.GetScore())
{
OrthographicScoreComparator <OrthographicScore> osc = new OrthographicScoreComparator <OrthographicScore>();
@out = osc.Compare(oScore1, oScore2);
}
else // 4. hannelScore
{
FrequencyScore fScore1 = ((NoisyChannelScore)o1).GetFScore();
FrequencyScore fScore2 = ((NoisyChannelScore)o2).GetFScore();
if (fScore1.GetScore() != fScore2.GetScore())
{
FrequencyScoreComparator <FrequencyScore> fsc = new FrequencyScoreComparator <FrequencyScore>();
@out = fsc.Compare(fScore1, fScore2);
}
else // 4. alphabetic order
{
@out = cand2.CompareTo(cand1);
}
}
}
}
return(@out);
}
// return candidate scoreObj list sorted by score, higher first
public static List <OrthographicScore> GetCandidateScoreList(string inStr, HashSet <string> candidates, double wf1, double wf2, double wf3)
{
HashSet <OrthographicScore> candScoreSet = GetCandidateScoreSet(inStr, candidates, wf1, wf2, wf3);
List <OrthographicScore> candScoreList = new List <OrthographicScore>(candScoreSet);
OrthographicScoreComparator <OrthographicScore> osc = new OrthographicScoreComparator <OrthographicScore>();
candScoreList.Sort(osc);
return(candScoreList);
}
public static void PrintOrthographicScore(string inStr, HashSet <string> candSet, int maxCandNo, double wf1, double wf2, double wf3, bool debugFlag)
{
if (debugFlag == true)
{
OrthographicScoreComparator <OrthographicScore> osc = new OrthographicScoreComparator <OrthographicScore>();
HashSet <OrthographicScore> oScoreSet = RankByOrthographic.GetCandidateScoreSet(inStr, candSet, wf1, wf2, wf3);
var list = oScoreSet.OrderBy(x => x, osc).Take(maxCandNo).Select(obj => obj.ToString()).ToList();
foreach (var item in list)
{
DebugPrint.PrintOScore(item, debugFlag);
}
}
}
// private methods
// not verified test
private static int RunTest(bool detailFlag, long limitNo)
{
// init dic
string configFile = "../data/Config/cSpell.properties";
CSpellApi cSpellApi = new CSpellApi(configFile);
double wf1 = cSpellApi.GetOrthoScoreEdDistFac();
double wf2 = cSpellApi.GetOrthoScorePhoneticFac();
double wf3 = cSpellApi.GetOrthoScoreOverlapFac();
// provide cmdLine interface
int returnValue = 0;
OrthographicScoreComparator <OrthographicScore> osc = new OrthographicScoreComparator <OrthographicScore>();
try {
StreamReader stdInput = new StreamReader(Console.OpenStandardInput());
try {
string inText = null;
Console.WriteLine("- Please input a text (type \"Ctl-d\" to quit) > ");
while (!string.ReferenceEquals((inText = stdInput.ReadLine()), null))
{
// ---------------------------------
// Get spell correction on the input
// ---------------------------------
// get all possible candidates
HashSet <string> candSet = NonWord1To1Candidates.GetCandidates(inText, cSpellApi);
Console.WriteLine("-- canSet.size(): " + candSet.Count);
// get final suggestion
string topRankStr = GetTopRankStr(inText, candSet, wf1, wf2, wf3);
Console.WriteLine("- top tank str: " + topRankStr);
// print details
if (detailFlag == true)
{
HashSet <OrthographicScore> candScoreSet = GetCandidateScoreSet(inText, candSet, wf1, wf2, wf3);
Console.WriteLine("------ Suggestion List ------");
var list = candScoreSet.OrderBy(x => x, osc).Take((int)limitNo).Select(obj => obj.ToString()).ToList();
foreach (var item in list)
{
Console.WriteLine(item);
}
}
}
} catch (Exception e2) {
Console.Error.WriteLine(e2.Message);
returnValue = -1;
}
} catch (Exception e) {
Console.Error.WriteLine(e.Message);
returnValue = -1;
}
return(returnValue);
}
// by combination, O, N, F, C
private int compareByCombo(CSpellScore o1, CSpellScore o2)
{
int @out = 0;
OrthographicScore oScore1 = ((CSpellScore)o1).GetOScore();
OrthographicScore oScore2 = ((CSpellScore)o2).GetOScore();
NoisyChannelScore nScore1 = ((CSpellScore)o1).GetNScore();
NoisyChannelScore nScore2 = ((CSpellScore)o2).GetNScore();
FrequencyScore fScore1 = ((CSpellScore)o1).GetFScore();
FrequencyScore fScore2 = ((CSpellScore)o2).GetFScore();
ContextScore cScore1 = ((CSpellScore)o1).GetCScore();
ContextScore cScore2 = ((CSpellScore)o2).GetCScore();
// 1. compared by orthographic score, best
if (oScore1.GetScore() != oScore2.GetScore())
{
OrthographicScoreComparator <OrthographicScore> osc = new OrthographicScoreComparator <OrthographicScore>();
@out = osc.Compare(oScore1, oScore2);
}
// 2. compared by noise channel score, 2nd best
else if (nScore1.GetScore() != nScore2.GetScore())
{
NoisyChannelScoreComparator <NoisyChannelScore> nsc = new NoisyChannelScoreComparator <NoisyChannelScore>();
@out = nsc.Compare(nScore1, nScore2);
}
// 3. compared by pure frequency score, 3rd best
else if (fScore1.GetScore() != fScore2.GetScore())
{
FrequencyScoreComparator <FrequencyScore> fsc = new FrequencyScoreComparator <FrequencyScore>();
@out = fsc.Compare(fScore1, fScore2);
}
// 4. compared by context score, 4 last
else if (cScore1.GetScore() != cScore2.GetScore())
{
ContextScoreComparator <ContextScore> csc = new ContextScoreComparator <ContextScore>();
@out = csc.Compare(cScore1, cScore2);
}
// 5. alphabetic order
else
{
string cand1 = ((CSpellScore)o1).GetCandStr();
string cand2 = ((CSpellScore)o2).GetCandStr();
@out = cand2.CompareTo(cand1);
}
return(@out);
}
private int compareByOrthographics(CSpellScore o1, CSpellScore o2)
{
int @out = 0;
OrthographicScore oScore1 = ((CSpellScore)o1).GetOScore();
OrthographicScore oScore2 = ((CSpellScore)o2).GetOScore();
// 1. compared by orthographic score, best
if (oScore1.GetScore() != oScore2.GetScore())
{
OrthographicScoreComparator <OrthographicScore> osc = new OrthographicScoreComparator <OrthographicScore>();
@out = osc.Compare(oScore1, oScore2);
}
// 2. alphabetic order
else
{
string cand1 = ((CSpellScore)o1).GetCandStr();
string cand2 = ((CSpellScore)o2).GetCandStr();
@out = cand2.CompareTo(cand1);
}
return(@out);
}