//This should only operate on normalized sentences. public Sentence ParsedSentenceFactory(string sentence, string original) { diagnostics = new SentenceDiagnostics(original, sentence); if (String.IsNullOrWhiteSpace(sentence)) { return(new Sentence(new NullOrSymbols(original), diagnostics)); // throw new TpParseException("Do not give me a null sentence. Can't tell if null sentence is from input or got lost in translation"); } //This may have already been done by the normalizer, but if not, no problem. if (sentence.Contains(" li pi ")) { sentence = sentence.Replace(" li pi ", " li XXXXZiXXXX "); } ParserUtils.ThrowOnDoubleParticles(sentence, dialect); if (sentence.StartCheck(" ")) { throw new TpParseException("Do not give me a sentence that leads with whitespace, I do not want to do defensive Trim() all day. (Call at least NormalizeExplict)"); } if (sentence.StartCheck("///")) { Comment c = new Comment(sentence); return(new Sentence(c, diagnostics)); } if (sentence.EndCheck(" li") || sentence.EndCheck(" li.")) { throw new TpParseException("Something went wrong, sentence ends with li: " + original); } //Normalization is really expensive. We must stop calling it twice. //sentence = Normalizer.NormalizeText(sentence, config); //Any way to avoid calling this twice? //HACK: This is necessary (otherwise we have to deal with optional quotes starting, ending words) //But we'd rather do this on a sentence level in Discourse. bool startsQuotedSpeech; bool endsQuotedSpeech; if (sentence.StartCheck("«")) { startsQuotedSpeech = true; sentence = sentence.Replace("«", " ").Trim(); } if (sentence.EndCheck("»", "».", "»!") || sentence.EndCheck("»:", "»?")) { endsQuotedSpeech = true; sentence = sentence.Replace("»", " ").Trim(); } //TODO: do something with quoted speech. Big problem #1 it spans multiple sentences if (sentence.EndCheck(" ")) { throw new TpParseException("Normalizer failed to trim: " + original); } //Get the final punctuation out or it will mess up parsing later. string possiblePunctuation = sentence[sentence.Length - 1].ToString(); Punctuation punctuation; if (Punctuation.TryParse(possiblePunctuation, out punctuation)) { sentence = sentence.Substring(0, sentence.Length - 1); } //Square bracket sentence contains all others //[S] //F la [S] //S la [S] //F la S la [S] //Maximal.. maybe later //F la S la F la S => (F la S ) la (F la [S]) //F la S la S la F la S la S //[{F la S} la {S} la {F la S}] la <S> //Just dealing with la fragments Sentence headSentence = null; List <Sentence> preconditions = new List <Sentence>(); string[] laParts = Splitters.SplitOnLa(sentence); //Degenerate sentences. if (laParts[laParts.Length - 1] == "la") { //We have a vocative sentence... Fragment fragment = new Fragment(ProcessEnPiChain(laParts[0])); Sentence fragmentSentence = new Sentence(fragment, punctuation, diagnostics); return(fragmentSentence); } if (laParts.Length > 1) { int i = 0; List <Fragment> laFragments = new List <Fragment>(); Sentence currentSentence = null; foreach (string subSentence in laParts.Reverse()) { i++; if (i == 1) { //Head sentence. // subSentence.StartCheck("la ") ? subSentence.Substring(3) : subSentence string laLessString = subSentence.RemoveLeadingWholeWord("la"); headSentence = ProcessSimpleSentence(laLessString, punctuation, original); continue; //Not dealing with "kin la!" } //Fragments & preconditions const string liFinder = @"\bli\b"; Match m = Regex.Match(subSentence, liFinder); if (m.Success) { //This is a sentence //Maybe should recurse. string laLessString = subSentence.RemoveLeadingWholeWord("la"); currentSentence = ProcessSimpleSentence(laLessString, null, original); preconditions.Add(currentSentence); } else { string laLessString = subSentence.RemoveLeadingWholeWord("la"); Fragment fragment; if (laLessString.StartCheck("~")) { string[] parts = Splitters.SplitOnPrepositions(laLessString); fragment = new Fragment(ProcessPrepositionalPhrases(parts).ToArray()); } else { fragment = new Fragment(ProcessEnPiChain(laLessString)); } if (currentSentence == null) { if (headSentence == null) { throw new TpParseException( "Sentence appears to be headed by a fragment. Shouldn't deal with those here.: " + original); } headSentence.LaFragment.Add(fragment); } else { laFragments.Add(fragment); } } } } else { //No la at all. //Simple Sentence return(ProcessSimpleSentence(sentence, punctuation, original)); } if (headSentence == null) { throw new TpParseException("This is not a sentence, should deal with it with it's own parser: " + original); } if (preconditions.Count == 0) { return(headSentence); } Sentence s = new Sentence(diagnostics, preconditions.ToArray(), headSentence); return(s); }
public Sentence ProcessSimpleSentence(string sentence, Punctuation punctuation, string original) { //Think this is causing a bug. ////HACK: Still need a better way to deal with quotes. //if (sentence.EndCheck("»") || sentence.EndCheck("«")) //{ // sentence = sentence.Substring(0, sentence.Length - 1); //} //Comment? Get out of here! if (sentence.StartCheck("///")) { Comment c = new Comment(sentence); return(new Sentence(c, diagnostics)); } //Simple exclamation! Get out of here! if (Exclamation.IsExclamation(sentence)) { return(new Sentence(new Exclamation(new HeadedPhrase(new Word(sentence))), punctuation, new SentenceDiagnostics(original, sentence))); } List <Vocative> headVocatives = null; //jan Mato o, ale li pona. Head vocative! //kin la o moku. //not a vocative (hopefully dealt with elsewhere) //jan Mato o moku! //Head vocative, & imperative, with 2nd o discarded //jan Mato o o moku! //Head vocative, & imperative, with 2nd o discarded if (sentence.ContainsCheck(" o o "))//Explicit vocative & imperative { //Okay, we know exactly when the head vocatives end. headVocatives = new List <Vocative>(); string justHeadVocatives = sentence.Substring(0, sentence.IndexOf(" o o ", StringComparison.Ordinal)); //Process head vocatives. ProcessHeadVocatives(Splitters.SplitOnO(justHeadVocatives), headVocatives, allAreVocatives: true); //BUG: Add the dummy! (And it still doesn't work!) sentence = "jan Sanwan o " + sentence.Substring(sentence.IndexOf(" o o ", StringComparison.Ordinal) + 5); } //Starts with o, then we have imperative & no head vocatives. bool endsOrStartsWithO = sentence.StartCheck("o ") && sentence.EndCheck(" o"); if (!endsOrStartsWithO) { //jan So o! (We already deal with degenerate vocative sentences elsewhere) //jan So o sina li nasa. //jan So o nasa! //jan So o mi mute o nasa. <-- This is the problem. //These could be vocatives or imperatives. if (sentence.ContainsCheck(" o ", " o,", ",o ") && sentence.ContainsCheck(" li ")) { headVocatives = new List <Vocative>(); ProcessHeadVocatives(Splitters.SplitOnO(sentence), headVocatives, allAreVocatives: false); //int firstLi = sentence.IndexOf(" li "); int lastO = sentence.LastIndexOf(" o ", StringComparison.Ordinal); if (lastO < 0) { lastO = sentence.LastIndexOf(" o,", StringComparison.Ordinal); } sentence = sentence.Substring(lastO + 2); } } //Process tag conjunctions and tag questions Particle conjunction = null; TagQuestion tagQuestion = null; if (sentence.StartCheck("taso ")) { conjunction = Particles.taso; sentence = sentence.Substring(5); } else if (sentence.StartCheck("anu ")) { conjunction = Particles.anu; sentence = sentence.Substring(4); } else if (sentence.StartCheck("en ")) { //Well, either parse it or throw. Otherwise, this gets skipped. //is this legal? conjunction = Particles.en; sentence = sentence.Substring(3); } else if (sentence.StartCheck("ante ")) //never seen it. { conjunction = Particles.ante; sentence = sentence.Substring(5); } //Should already have ? stripped off if (sentence.EndsWith(" anu seme")) { tagQuestion = new TagQuestion(); sentence = sentence.Substring(0, sentence.LastIndexOf(" anu seme", StringComparison.Ordinal)); } if (sentence.EndCheck(" li")) { throw new TpParseException("Something went wrong-- sentenc ends with li. " + sentence); } if (sentence.StartsOrContainsOrEnds("la")) { throw new TpParseException("If it contains a la, anywhere, it isn't a simple sentence. " + sentence); } bool isHortative = false; bool isImperative = false; if (sentence.StartCheck("o ") && sentence.ContainsCheck(" li ")) { //o mi mute li moku isHortative = true; sentence = sentence.RemoveLeadingWholeWord("o"); } if (sentence.StartCheck("o ") && !sentence.ContainsCheck(" li ")) { //o pana e pan isImperative = true; //sentence = sentence.RemoveLeadingWholeWord("o"); } // someting o ==> vocative string[] liParts = Splitters.SplitOnLiOrO(sentence); if (liParts.Length == 1 && Exclamation.IsExclamation(liParts[0])) { //HACK: Duplicate code. & it only deals with a single final puncution mark. string possiblePunctuation = sentence[sentence.Length - 1].ToString(); if (Punctuation.TryParse(possiblePunctuation, out punctuation)) { sentence = sentence.Substring(0, sentence.Length - 1); } //The whole thing is o! (or pakala! or the like) //pona a! a a a! ike a! TokenParserUtils tpu = new TokenParserUtils(); Word[] tokes = tpu.ValidWords(sentence); HeadedPhrase parts = new HeadedPhrase(tokes[0], new WordSet(ArrayExtensions.Tail(tokes))); bool modifiersAreA = true; foreach (Word w in parts.Modifiers) { if (w == "a") { continue; //peculiar to exclamations & repeats. } if (w == "kin") { continue; //modifies just about anything } modifiersAreA = false; } if (modifiersAreA) { Exclamation exclamation = new Exclamation(parts); Sentence s = new Sentence(exclamation, punctuation, diagnostics); return(s); } } //Degenerate sentences. if (liParts[liParts.Length - 1].Trim(new char[] { ',', '«', '»', '!', ' ' }) == "o") { //We have a vocative sentence... Vocative vocative = new Vocative(ProcessEnPiChain(liParts[0])); Sentence s = new Sentence(vocative, punctuation, diagnostics); return(s); } string subjects = liParts[0].Trim(); ComplexChain subjectChain = null; int startAt = 1; //slot 0 is normally a subject if (subjects.Contains("«")) { int foo = 3; } if (subjects.StartCheck("o ") || subjects.StartCheck("«o ")) { //This is a verb phrase with implicit subjects! startAt = 0; } else { subjectChain = ProcessEnPiChain(subjects); } PredicateList verbPhrases = new PredicateList(); for (int i = startAt; i < liParts.Length; i++) { string predicate = liParts[i].Trim(); verbPhrases.Add(ProcessPredicates(predicate)); } //Head or complete sentence. Sentence parsedSentence = new Sentence(subjectChain, verbPhrases, diagnostics, new SentenceOptionalParts { Conjunction = conjunction, //Etc Punctuation = punctuation, IsHortative = isHortative, TagQuestion = tagQuestion, HeadVocatives = headVocatives != null ? headVocatives.ToArray() : null }); return(parsedSentence); }