public SubPhraseMatch(int startIndex, Part part)
{
StartIndex = startIndex;
Part = part;
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Finds the longest phrase that is a sub-phrase of the specified part.
/// </summary>
/// <param name="part">The part.</param>
/// <returns></returns>
/// ------------------------------------------------------------------------------------
private SubPhraseMatch FindSubPhraseMatch(Part part)
{
int partWordCount = part.m_words.Count;
for (int subPhraseWordCount = partWordCount - 1; subPhraseWordCount > 1; subPhraseWordCount--)
{
Dictionary<Word, List<Part>> subPhraseTable;
if (!m_partsTable.TryGetValue(subPhraseWordCount, out subPhraseTable))
continue;
for (int iWord = 0; iWord < partWordCount; iWord++)
{
Word word = part.m_words[iWord];
if (iWord + subPhraseWordCount > partWordCount)
break; // There aren't enough words left in this part to find a match
List<Part> possibleSubParts;
if (subPhraseTable.TryGetValue(word, out possibleSubParts))
{
foreach (Part possibleSubPart in possibleSubParts)
{
int iWordTemp = iWord + 1;
int isubWord = 1;
int possiblePartWordCount = possibleSubPart.m_words.Count;
while (isubWord < possiblePartWordCount && possibleSubPart.m_words[isubWord] == part.m_words[iWordTemp++])
isubWord++;
if (isubWord == possiblePartWordCount)
return new SubPhraseMatch(iWord, possibleSubPart);
}
}
}
}
return null;
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Recalculates the part translation by considering all the owning phrases of the part
/// and a probable translation based on what they have in common.
/// </summary>
/// <param name="part">The part.</param>
/// <returns></returns>
/// ------------------------------------------------------------------------------------
private static IEnumerable<Part> RecalculatePartTranslation(Part part)
{
string originalTranslation = part.Translation;
List<string> userTranslations = new List<string>();
foreach (TranslatablePhrase phrase in part.OwningPhrases.Where(op => op.HasUserTranslation))
{
string toAdd = phrase.UserTransSansOuterPunctuation;
foreach (IPhrasePart otherPart in phrase.GetParts().Where(otherPart => otherPart != part))
{
if (otherPart is KeyTermMatch)
{
foreach (string ktTrans in ((KeyTermMatch)otherPart).Renderings)
{
int ich = toAdd.IndexOf(ktTrans, StringComparison.Ordinal);
if (ich >= 0)
{
toAdd = toAdd.Remove(ich, ktTrans.Length).Insert(ich, StringUtils.kszObject);
break;
}
}
}
else
{
if (otherPart.Translation.Length > 0)
{
int ichMatch = toAdd.IndexOf(otherPart.Translation, StringComparison.Ordinal);
if (ichMatch >= 0)
toAdd = toAdd.Remove(ichMatch, otherPart.Translation.Length).Insert(ichMatch, StringUtils.kszObject);
}
}
}
if (!string.IsNullOrEmpty(toAdd))
userTranslations.Add(toAdd);
}
string commonTranslation = GetBestCommonPartTranslation(userTranslations);
if (commonTranslation != null)
part.Translation = commonTranslation;
if (originalTranslation.Length > 0 && (part.Translation.Length == 0 || originalTranslation.Contains(part.Translation)))
{
// The translation of the part has shrunk
return part.OwningPhrases.Where(phr => phr.HasUserTranslation).SelectMany(otherPhrases => otherPhrases.TranslatableParts).Distinct();
}
return new Part[0];
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets or creates a part matching the given sub-phrase.
/// </summary>
/// <param name="words">The words of the sub-phrase.</param>
/// <param name="owningPhraseOfPart">The owning phrase of the part to find or create.</param>
/// <param name="tempWordCountOfPhraseBeingBroken">The temp word count of phrase being broken.</param>
/// <returns>the newly created or found part</returns>
/// ------------------------------------------------------------------------------------
private Part GetOrCreatePart(IEnumerable<Word> words, TranslatablePhrase owningPhraseOfPart,
int tempWordCountOfPhraseBeingBroken)
{
Debug.Assert(words.Any());
Part part = null;
Dictionary<Word, List<Part>> partsTable;
List<Part> parts = null;
if (m_partsTable.TryGetValue(words.Count(), out partsTable))
{
if (partsTable.TryGetValue(words.First(), out parts))
part = parts.FirstOrDefault(x => x.Words.SequenceEqual(words));
}
else
m_partsTable[words.Count()] = partsTable = new Dictionary<Word, List<Part>>();
if (parts == null)
partsTable[words.First()] = parts = new List<Part>();
if (part == null)
{
Debug.Assert(tempWordCountOfPhraseBeingBroken != words.Count());
part = new Part(words);
parts.Add(part);
}
part.AddOwningPhrase(owningPhraseOfPart);
return part;
}
