/// <summary> /// Substitute the numeric numbers in translated message with their orignal format in source message. /// </summary> /// <param name="translatedDocument">Translated document.</param> private void SubstituteNumericPattern(TranslatedDocument translatedDocument) { MatchCollection numericMatches = Regex.Matches(translatedDocument.SourceMessage, @"\d+", RegexOptions.Singleline); foreach (Match numericMatch in numericMatches) { int srcIndex = Array.FindIndex(translatedDocument.SourceTokens, row => row == numericMatch.Groups[0].Value); translatedDocument.TranslatedTokens = PostProcessingUtilities.KeepSourceWordInTranslation(translatedDocument.IndexedAlignment, translatedDocument.SourceTokens, translatedDocument.TranslatedTokens, srcIndex); } }
/// <summary> /// Substitutes matched no translate pattern with the original token /// </summary> /// <param name="translatedDocument">Translated document.</param> /// <param name="pattern">The no translate pattern.</param> private void SubstituteNoTranslatePattern(TranslatedDocument translatedDocument, string pattern) { //get the matched no translate pattern Match matchNoTranslate = Regex.Match(translatedDocument.SourceMessage, pattern, RegexOptions.Singleline | RegexOptions.IgnoreCase); //calculate the boundaries of the pattern match //ex : "mon nom est l'etat // start index = 12 //length = 6 int noTranslateStartChrIndex = matchNoTranslate.Groups[1].Index; //the length of the matched pattern without spaces , which will be used in determining the translated tokens that will be replaced by their original values int noTranslateMatchLength = matchNoTranslate.Groups[1].Value.Replace(" ", "").Length; int wrdIndx = 0; int chrIndx = 0; int newChrLengthFromMatch = 0; int srcIndex = -1; int newNoTranslateArrayLength = 1; var sourceMessageCharacters = translatedDocument.SourceMessage.ToCharArray(); foreach (string wrd in translatedDocument.SourceTokens) { //if the beginning of the current word equals the beginning of the matched no trasnalate word, then assign the current word index to srcIndex if (chrIndx == noTranslateStartChrIndex) { srcIndex = wrdIndx; } //the following code block does the folowing : //- checks if a match wsa found //- checks if this match length equals the starting matching token length, if yes then this is the only token to process, //otherwise continue the loop and add the next token to the list of tokens to be processed //ex : "mon nom est l'etat" //tokens = {"mon", "nom", "est", "l'", "etat"} //when the loop reaches the token "l'" then srcIndex will = 3, but we don't want to consider only the token "l'" as the no translate token, //instead we want to match the whole "l'etat" string regardless how many tokens it contains ie regardless that "l'etat" is actually composed of 2 tokens "l'" and "etat" //so what these condition is trying to do is make the necessary checks that we got all the matched pattern not just a part of it's tokens! //checks if match was found or not, because srcIndex value changes only in case a match was found ! if (srcIndex != -1) { //checks if we found all the tokens that matches the pattern if (newChrLengthFromMatch + translatedDocument.SourceTokens[wrdIndx].Length >= noTranslateMatchLength) { break; } //if the previous condition fails it means that the next token is also matched in the pattern, so we increase the size of the no translate words array by 1 newNoTranslateArrayLength += 1; //increment newChrLengthFromMatch with the found word size newChrLengthFromMatch += translatedDocument.SourceTokens[wrdIndx].Length; } // the following block of code is used to calculate the next token starting index which could have two cases //the first case is that the current token is followed by a space in this case we increment the next chrIndx by 1 to get the next character after the space //the second case is that the token is followed by the next token without spaces , in this case we calculate chrIndx as chrIndx += wrd.Length without incrementing //assumption : The provided sourceMessage and sourceMessageCharacters doesn't contain any consecutive white spaces, //in our use case this handling is done using the translator output itself using the following line of code in PreprocessMessage function : //textToTranslate = Regex.Replace(textToTranslate, @"\s+", " ");//used to remove multiple spaces in input user message if (chrIndx + wrd.Length < sourceMessageCharacters.Length && sourceMessageCharacters[chrIndx + wrd.Length] == ' ') { chrIndx += wrd.Length + 1; } else { chrIndx += wrd.Length; } wrdIndx++; } //if the loop ends and srcIndex then no match was found if (srcIndex == -1) { return; } //add the no translate words to a new array string[] wrdNoTranslate = new string[newNoTranslateArrayLength]; Array.Copy(translatedDocument.SourceTokens, srcIndex, wrdNoTranslate, 0, newNoTranslateArrayLength); //loop for each of the no translate words and replace it's translation with it's origin foreach (string srcWrd in wrdNoTranslate) { translatedDocument.TranslatedTokens = PostProcessingUtilities.KeepSourceWordInTranslation(translatedDocument.IndexedAlignment, translatedDocument.SourceTokens, translatedDocument.TranslatedTokens, srcIndex); srcIndex++; } }