/// <summary>
/// Check and geneate isolated symbol lexion.
/// </summary>
/// <param name="chartable">Char table.</param>
/// <param name="posSymbol">Pos of symbol.</param>
/// <param name="lexiconOutput">Lexicon output.</param>
/// <param name="errors">Errors.</param>
public void CheckContextualSymbolInLexicon(CharTable chartable,
string posSymbol, string lexiconOutput, Collection<string> errors)
{
if (chartable == null)
{
throw new ArgumentNullException("chartable");
}
if (errors == null)
{
throw new ArgumentNullException("errors");
}
if (posSymbol == null)
{
throw new ArgumentNullException("posSymbol");
}
Lexicon lexicon = new Lexicon(chartable.Language);
Collection<string> polyWord = new Collection<string>();
foreach (CharElement charElement in chartable.CharList)
{
LexicalItem symbolItem = _lexicon.Lookup(
charElement.Symbol.ToString(), true);
LexicalItem lexiconItem = new LexicalItem(lexicon.Language);
LexiconPronunciation lexiconPron = new LexiconPronunciation(
lexicon.Language);
string pron = string.Empty;
string expansion = charElement.ContextualExpansion;
if (string.IsNullOrEmpty(expansion))
{
continue;
}
lexiconItem.Grapheme = charElement.Symbol.ToString();
Collection<string> errorStrings = new Collection<string>();
bool hasError = _lexicon.GetPronunciationForWords(expansion, errorStrings, polyWord, ref pron);
if (!hasError && !string.IsNullOrEmpty(pron))
{
bool addWord = true;
if (symbolItem != null)
{
string[] prons = Pronunciation.SplitIntoPhones(pron);
foreach (LexiconPronunciation existPron in symbolItem.Pronunciations)
{
bool same = true;
string[] existProns = Pronunciation.SplitIntoPhones(existPron.Symbolic);
if (existProns.Length == prons.Length)
{
for (int i = 0; i < prons.Length; i++)
{
if (existProns[i] != prons[i])
{
same = false;
break;
}
}
if (same)
{
addWord = false;
break;
}
}
}
}
// add the word if the symbol or pronunicaiton is not in lexicon
if (addWord)
{
lexiconPron.Symbolic = pron;
LexiconItemProperty lip = new LexiconItemProperty();
lip.PartOfSpeech = new PosItem(posSymbol);
lexiconPron.Properties.Add(lip);
lexiconItem.Pronunciations.Add(lexiconPron);
lexicon.Items.Add(lexiconItem.Grapheme, lexiconItem);
if (symbolItem != null)
{
errors.Add(AttributeError.SymbolDiffPronFromLex + charElement.Symbol.ToString());
}
}
else
{
errors.Add(AttributeError.InfoSymbolInLex + charElement.Symbol.ToString());
}
}
else
{
errors.Add(AttributeError.SymbolPronGenError + charElement.Symbol.ToString());
}
}
Lexicon.WriteAllData(lexiconOutput, lexicon, Encoding.Unicode);
}
/// <summary>
/// Create the lexicon from Xml Script file.
/// </summary>
/// <param name="scriptFile">Xml script file.</param>
/// <param name="defaultPos">Part of Speech String.</param>
/// <param name="mainLexicon">MainLexicon.</param>
/// <returns>Lexicon.</returns>
public static Lexicon CreateFromXmlScriptFile(XmlScriptFile scriptFile, string defaultPos, Lexicon mainLexicon)
{
if (scriptFile == null)
{
throw new ArgumentNullException("scriptFile");
}
if (string.IsNullOrEmpty(defaultPos))
{
throw new ArgumentNullException("defaultPos");
}
Lexicon lexicon = new Lexicon(scriptFile.Language);
foreach (ScriptItem item in scriptFile.Items)
{
foreach (ScriptWord scriptWord in item.AllPronouncedWords)
{
string word = scriptWord.Grapheme;
// Create LexiconPronunciaton Node
LexiconPronunciation pron = new LexiconPronunciation(lexicon.Language);
pron.Symbolic = scriptWord.Pronunciation;
if (mainLexicon != null)
{
LexicalItem mainLexiconItem = mainLexicon.Lookup(word, true);
if (mainLexiconItem != null)
{
LexiconPronunciation lexPron = mainLexiconItem.FindPronunciation(pron.Symbolic, true);
if (lexPron != null)
{
pron.Symbolic = lexPron.Symbolic;
}
}
}
LexiconItemProperty property = new LexiconItemProperty();
if (string.IsNullOrEmpty(scriptWord.PosString))
{
property.PartOfSpeech = new PosItem(defaultPos);
}
else
{
property.PartOfSpeech = new PosItem(scriptWord.PosString);
}
pron.Properties.Add(property);
if (!lexicon.Items.ContainsKey(word))
{
LexicalItem lexicalItem = new LexicalItem(lexicon.Language);
lexicalItem.Grapheme = word;
lexicalItem.Pronunciations.Add(pron);
lexicon.Items.Add(word, lexicalItem);
}
else
{
bool needAdd = true;
foreach (LexiconPronunciation pronunciation in lexicon.Items[word].Pronunciations)
{
if (pronunciation.Symbolic.Equals(pron.Symbolic, StringComparison.InvariantCultureIgnoreCase))
{
needAdd = false;
if (!pronunciation.Properties.Contains(property))
{
pronunciation.Properties.Add(property);
}
}
}
if (needAdd)
{
lexicon.Items[word].Pronunciations.Add(pron);
}
}
}
}
return lexicon;
}
/// <summary>
/// Generate a LexicalItem from a dictionary.
/// </summary>
/// <param name="prons">Pronunciation dictionary.</param>
private void GenerateLexicalItem(Dictionary<string, Collection<string>> prons)
{
Helper.ThrowIfNull(prons);
foreach (string key in prons.Keys)
{
LexiconPronunciation pron = new LexiconPronunciation(_language);
pron.Symbolic = key;
foreach (string pos in prons[key])
{
PosItem posItem = new PosItem(pos);
LexiconItemProperty property = new LexiconItemProperty(posItem);
pron.Properties.Add(property);
}
_item.Pronunciations.Add(pron);
}
}
/// <summary>
/// Compare two pronunciation's original position.
/// </summary>
/// <param name="firstPron">First pronunciation to be compared.</param>
/// <param name="secondPron">Second pronunciation to be compared.</param>
/// <returns>
/// Bigger than zero, firstPron's position bigger than the second one;
/// Equal to zero, firstPron's position equal to the second one;
/// less than zero, firstPron's position less than the second one.</returns>
private static int ComparePronOriginalPosition(LexiconPronunciation firstPron, LexiconPronunciation secondPron)
{
return firstPron.OldPosition - secondPron.OldPosition;
}
/// <summary>
/// Save lexicon properties.
/// </summary>
/// <param name="graphme">Word graphme.</param>
/// <param name="lexPron">Lexicon pronunciation.</param>
/// <param name="attributeStringList">Attribute string list.</param>
private void SaveProperty(string graphme, LexiconPronunciation lexPron, Collection<string> attributeStringList)
{
foreach (LexiconItemProperty pr in lexPron.Properties)
{
if (!pr.Valid)
{
this.ErrorSet.Add(LexiconCompilerError.RemoveInvalidProperty,
graphme, lexPron.Symbolic, pr.PartOfSpeech.Value);
continue;
}
List<ArrayList> attributes = new List<ArrayList>();
Debug.Assert(pr.PartOfSpeech != null && !string.IsNullOrEmpty(pr.PartOfSpeech.Value));
if (pr.PartOfSpeech != null && !string.IsNullOrEmpty(pr.PartOfSpeech.Value))
{
ArrayList attrbuteList = new ArrayList();
attrbuteList.Add(
_attributeSchema.GenerateString("POS", pr.PartOfSpeech.Value));
attributes.Add(attrbuteList);
}
if (pr.Case != null && !string.IsNullOrEmpty(pr.Case.Value))
{
ArrayList attrbuteList = new ArrayList();
ArrayList valueList = CaseItem.ConvertIntoArray(pr.Case.Value, ErrorSet);
for (int i = 0; i < valueList.Count; i++)
{
attrbuteList.Add(
_attributeSchema.GenerateString("F_CASE", valueList[i].ToString()));
}
attributes.Add(attrbuteList);
}
if (pr.Gender != null && !string.IsNullOrEmpty(pr.Gender.Value))
{
ArrayList attrbuteList = new ArrayList();
ArrayList valueList = GenderItem.ConvertIntoArray(pr.Gender.Value, ErrorSet);
for (int i = 0; i < valueList.Count; i++)
{
attrbuteList.Add(
_attributeSchema.GenerateString("F_GENDER", valueList[i].ToString()));
}
attributes.Add(attrbuteList);
}
// Write out number information if present
if (pr.Number != null && !string.IsNullOrEmpty(pr.Number.Value))
{
ArrayList attrbuteList = new ArrayList();
ArrayList valueList = NumberItem.ConvertIntoArray(pr.Number.Value, ErrorSet);
for (int i = 0; i < valueList.Count; i++)
{
attrbuteList.Add(
_attributeSchema.GenerateString("F_NUMBER", valueList[i].ToString()));
}
attributes.Add(attrbuteList);
}
foreach (KeyValuePair<string, List<AttributeItem>> pair in pr.AttributeSet)
{
ArrayList attrbuteList = new ArrayList();
foreach (AttributeItem attr in pair.Value)
{
string attribute = LexicalAttributeSchema.GenerateString(pair.Key, attr.Value);
if (!string.IsNullOrEmpty(attribute))
{
attrbuteList.Add(attribute);
}
}
attributes.Add(attrbuteList);
}
// fill a terminal null in end of the list
attributes.Add(null);
BuildAttributeStringList(attributeStringList, string.Empty, attributes.ToArray(), 0);
}
}
public static bool IsExpandedWord(string word, Language language,
LexiconPronunciation pronunciation,
SP.ServiceProvider sp)
{
// If the phone count is more than the letter count, the word is probably expanded.
if (PhonesMoreThanLetters(word, pronunciation.Symbolic, language))
{
// if this word is not spell, it is treated as expanded.
if (!pronunciation.IsSpellOut(sp))
{
return true;
}
}
return false;
}
/// <summary>
/// Validate the pronunciation for the word.
/// </summary>
/// <param name="word">Word.</param>
/// <param name="lexPron">Lexicon pronunciation.</param>
/// <param name="ttsPhoneSet">TTS phone set.</param>
/// <param name="errorSet">Error set.</param>
private static void ValidatePronunciation(string word, LexiconPronunciation lexPron, TtsPhoneSet ttsPhoneSet,
ErrorSet errorSet)
{
// Validate the pronunciation information
ErrorSet pronErrorSet = Pronunciation.Validate(lexPron.Symbolic, ttsPhoneSet);
bool invalid = false;
foreach (Error error in pronErrorSet.Errors)
{
errorSet.Add(LexiconError.PronunciationError, error, word);
if (error.Severity == ErrorSeverity.MustFix &&
!(error.Enum.Equals(PronunciationError.VowelAndSonorantCountLessThanMinimum) ||
error.Enum.Equals(PronunciationError.VowelAndSonorantCountGreaterThanMaximum) ||
error.Enum.Equals(PronunciationError.VowelCountLessThanMinimum) ||
error.Enum.Equals(PronunciationError.VowelCountGreaterThanMaximum)))
{
invalid = true;
}
}
lexPron.Valid = lexPron.Valid && !invalid;
}
/// <summary>
/// Load LexiconPronunciation from XmlNode.
/// </summary>
/// <param name="parentLexItem">LexicalItem.</param>
/// <param name="pronNode">XmlNode.</param>
/// <param name="nsmgr">XmlNamespaceManager.</param>
/// <param name="contentController">Object.</param>
/// <param name="errorSet">ErrorSet.</param>
/// <returns>LexiconPronunciation.</returns>
internal static LexiconPronunciation Load(LexicalItem parentLexItem, XmlNode pronNode, XmlNamespaceManager nsmgr, Lexicon.ContentControler contentController, ErrorSet errorSet)
{
Debug.Assert(parentLexItem != null && pronNode != null &&
nsmgr != null && contentController != null && errorSet != null);
LexiconPronunciation lexPron = new LexiconPronunciation(parentLexItem.Language);
lexPron.Parent = parentLexItem;
XmlElement pronElem = pronNode as XmlElement;
Debug.Assert(pronElem != null);
string pronStatusValue = pronElem.GetAttribute("s");
if (!string.IsNullOrEmpty(pronStatusValue))
{
lexPron.Status = (Lexicon.LexiconStatus)Enum.Parse(typeof(Lexicon.LexiconStatus),
pronStatusValue, true);
}
// Lexicon object is shared with lexicon reviewer tool,
// We drop those items if they have "deleted" status when it is not loaded by lexicon reviewer tool
if (!contentController.IsHistoryCheckingMode && lexPron.Status == Lexicon.LexiconStatus.Deleted)
{
lexPron = null;
}
else
{
Regex regex = new Regex(@"\s{2,}");
lexPron.Symbolic = pronElem.GetAttribute("v").Trim();
lexPron.Symbolic = regex.Replace(lexPron.Symbolic, " ").ToLowerInvariant();
lexPron.OldSymbolic = lexPron.Symbolic;
// Get pronunciation original position.
string originalPronPosition = pronElem.GetAttribute("o");
if (!string.IsNullOrEmpty(originalPronPosition))
{
lexPron.OldPosition = int.Parse(originalPronPosition, CultureInfo.InvariantCulture);
}
if (lexPron.Status != Lexicon.LexiconStatus.Original)
{
string originalPronText = pronElem.GetAttribute("vo");
if (!string.IsNullOrEmpty(originalPronText))
{
lexPron.OldSymbolic = originalPronText;
}
}
// Get word's frequency. If there's no such information, set frequency to zero
int frequency = 0;
int.TryParse(pronElem.GetAttribute("f"), out frequency);
lexPron.Frequency = frequency;
foreach (XmlNode propertyNode in pronNode.SelectNodes("tts:pr", nsmgr))
{
LexiconItemProperty property = LexiconItemProperty.Load(lexPron, propertyNode, nsmgr, contentController, errorSet);
if (property != null)
{
if (contentController.IsHistoryCheckingMode || !lexPron.Properties.Contains(property))
{
lexPron.Properties.Add(property);
}
else
{
errorSet.Add(LexiconError.DuplicateProperty, parentLexItem.Text, lexPron.Symbolic);
}
}
}
}
return lexPron;
}
/// <summary>
/// Clone current pronunciation.
/// </summary>
/// <returns>Cloned LexiconPronunciation.</returns>
public LexiconPronunciation Clone()
{
LexiconPronunciation clonedPron = new LexiconPronunciation();
clonedPron.Valid = _valid;
clonedPron.OldPosition = _oldPosition;
clonedPron._symbolic = _symbolic;
clonedPron._oldSymbolic = _oldSymbolic;
clonedPron.Frequency = Frequency;
clonedPron.Language = _language;
clonedPron.Status = Status;
clonedPron.LexiconType = _type;
foreach (LexiconItemProperty property in _properties)
{
LexiconItemProperty clonedProperty = property.Clone();
clonedPron.Properties.Add(clonedProperty);
clonedProperty.Parent = clonedPron;
}
return clonedPron;
}
/// <summary>
/// Import domain pronunciation.
/// </summary>
/// <param name="domainPron">Domain LexiconPronunciation.</param>
/// <param name="domainTag">Domain tag.</param>
/// <param name="first">Whether this pronunciation is the first one in domain lexicon.</param>
/// <returns>Whether this LexiconPronunciation changed .</returns>
public bool ImportDomainPronunciation(LexiconPronunciation domainPron, string domainTag, bool first)
{
Helper.ThrowIfNull(domainPron);
Helper.ThrowIfNull(domainTag);
if (!domainPron.OnlyContainsOneDomain(domainTag))
{
throw new InvalidDataException("It is invalid to include any other domain in property level.");
}
if (!first)
{
RemovePronunciationIsFirstTags(domainTag);
}
bool changed = false;
foreach (LexiconItemProperty domainProperty in domainPron.Properties)
{
if (domainProperty.Gender != null ||
domainProperty.Case != null ||
domainProperty.Number != null)
{
throw new InvalidDataException("domain lexicon contains old format <gender> <case> <number>. Please convert them to new format <attr> before import.");
}
// look for target property that domain tag will import to
bool propertyImported = false;
foreach (LexiconItemProperty targetProperty in _properties)
{
if (targetProperty.Gender != null ||
targetProperty.Case != null ||
targetProperty.Number != null)
{
throw new InvalidDataException("target lexicon contains old format <gender> <case> <number>. Please convert them to new format <attr> before import.");
}
// If main lexicon and domain lexicon have same pos in <pr>, import the domain lexicon attributes to main lexicon.
if (HistoryValue.Equals(targetProperty.PartOfSpeech, domainProperty.PartOfSpeech))
{
propertyImported = true;
// found a proper <pr> to import domain tag.
DomainItem domainItem = domainProperty.Domains[domainTag];
Helper.ThrowIfNull(domainItem);
DomainItem newDomainItem = new DomainItem(domainItem.Value);
if (targetProperty.ImportDomainItem(newDomainItem))
{
changed = true;
}
targetProperty.Domains[domainTag].IsFirstPronunciation = first;
// Import domain lexicon attributes to main lexicon.
foreach (string attributeKey in domainProperty.AttributeSet.Keys)
{
if (targetProperty.AttributeSet.ContainsKey(attributeKey))
{
// Union main lexicon and domain lexicon and remove duplicate.
targetProperty.AttributeSet[attributeKey] = targetProperty.AttributeSet[attributeKey].Union(domainProperty.AttributeSet[attributeKey]).ToList();
}
else
{
targetProperty.AttributeSet.Add(attributeKey, domainProperty.AttributeSet[attributeKey]);
}
}
}
}
if (!propertyImported)
{
// not found. Copy the whole <pr> from domain lexicon
LexiconItemProperty newProperty = domainProperty.Clone();
foreach (DomainItem domainItem in newProperty.Domains.Values)
{
domainItem.IsFirstPronunciation = first;
}
_properties.Add(newProperty);
changed = true;
}
}
return changed;
}
/// <summary>
/// Compare objects that derived from LexiconPronunciation.
/// </summary>
/// <param name="obj1">Object 1.</param>
/// <param name="obj2">Object 2.</param>
/// <returns>true for equal
/// (null, null) => equal
/// (null, deleted) => equal
/// (deleted, deleted) => equal.
/// </returns>
public static bool Equals(LexiconPronunciation obj1, LexiconPronunciation obj2)
{
if (obj1 == obj2)
{
return true;
}
if ((obj1 == null || obj1.Status == Lexicon.LexiconStatus.Deleted) &&
(obj2 == null || obj2.Status == Lexicon.LexiconStatus.Deleted))
{
return true;
}
if (obj1.Language != obj2.Language ||
obj1.LexiconType != obj2.LexiconType ||
obj1.Status != obj2.Status ||
obj1.Symbolic != obj2.Symbolic)
{
return false;
}
Collection<LexiconItemProperty> props1 = obj1.Properties;
Collection<LexiconItemProperty> props2 = obj2.Properties;
int propsLength = props1.Count;
if (propsLength != props2.Count)
{
return false;
}
for (int j = 0; j < propsLength; j++)
{
if (!props1[j].Equals(props2[j]))
{
return false;
}
}
return true;
}
/// <summary>
/// Load LexiconItemProperty from XmlNode.
/// </summary>
/// <param name="parentLexPron">LexiconPronunciation.</param>
/// <param name="propertyNode">XmlNode.</param>
/// <param name="nsmgr">XmlNamespaceManager.</param>
/// <param name="contentController">Object.</param>
/// <param name="errorSet">ErrorSet.</param>
/// <returns>LexiconItemProperty.</returns>
internal static LexiconItemProperty Load(LexiconPronunciation parentLexPron, XmlNode propertyNode, XmlNamespaceManager nsmgr, Lexicon.ContentControler contentController, ErrorSet errorSet)
{
Debug.Assert(parentLexPron != null && parentLexPron.Parent != null && propertyNode != null &&
nsmgr != null && contentController != null && errorSet != null);
LexiconItemProperty property = new LexiconItemProperty();
property.Parent = parentLexPron;
XmlElement propertyElem = propertyNode as XmlElement;
string stateValue = propertyElem.GetAttribute("s");
if (!string.IsNullOrEmpty(stateValue))
{
property.Status = (Lexicon.LexiconStatus)Enum.Parse(typeof(Lexicon.LexiconStatus), stateValue, true);
}
if (!contentController.IsHistoryCheckingMode && property.Status == Lexicon.LexiconStatus.Deleted)
{
property = null;
}
else
{
PosItem posItem = PosItem.Load(propertyNode, nsmgr);
if (posItem != null)
{
property.PartOfSpeech = posItem;
}
GenderItem genderItem = GenderItem.Load(propertyNode, nsmgr);
if (genderItem != null)
{
property.Gender = genderItem;
}
CaseItem caseItem = CaseItem.Load(propertyNode, nsmgr);
if (caseItem != null)
{
property.Case = caseItem;
}
NumberItem numberItem = NumberItem.Load(propertyNode, nsmgr);
if (numberItem != null)
{
property.Number = numberItem;
}
foreach (XmlNode domainNode in propertyNode.SelectNodes("tts:domain", nsmgr))
{
DomainItem domainItem = DomainItem.Load(property, domainNode, nsmgr, contentController, errorSet);
if (domainItem != null)
{
if (!property.Domains.ContainsKey(domainItem.Value))
{
property.Domains.Add(domainItem.Value, domainItem);
}
else
{
Error error = new Error(DomainError.DuplicateDomain, domainItem.Value);
errorSet.Add(LexiconError.DomainError,
error, parentLexPron.Parent.Text, parentLexPron.Symbolic);
}
}
}
string lexLevelDomain = (parentLexPron.Parent.Parent as Lexicon).DomainTag;
if (property.Domains.Count == 0)
{
if (string.IsNullOrEmpty(lexLevelDomain))
{
property.ChangeDomain(new DomainItem());
}
else
{
property.ChangeDomain(new DomainItem(lexLevelDomain));
}
}
else if (!string.IsNullOrEmpty(lexLevelDomain))
{
Error error = new Error(DomainError.InvalidDomainTags);
errorSet.Add(LexiconError.DomainError,
error, parentLexPron.Parent.Text, parentLexPron.Symbolic);
}
foreach (XmlNode attributeNode in propertyNode.SelectNodes("tts:attr", nsmgr))
{
AttributeItem attributeItem = AttributeItem.Load(property, attributeNode, nsmgr, contentController, errorSet);
if (attributeItem != null)
{
property.AddAttribute(attributeItem);
}
}
}
return property;
}