public NegraReader()
{
currentHeaderTable = NegraTables.UNDEF;
edgelabelSymbol = new StringBuilder();
edgelabelTableName = new StringBuilder();
nonterminals = new SortedDictionary <int, PhraseStructureNode>();
nIterations = 1;
cIterations = 1;
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public boolean readSentence(org.maltparser.core.syntaxgraph.TokenStructure syntaxGraph) throws org.maltparser.core.exception.MaltChainedException
public virtual bool readSentence(ITokenStructure syntaxGraph)
{
if (syntaxGraph == null || !(syntaxGraph is PhraseStructure))
{
return(false);
}
syntaxGraph.Clear();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.maltparser.core.syntaxgraph.PhraseStructure phraseStructure = (org.maltparser.core.syntaxgraph.PhraseStructure)syntaxGraph;
PhraseStructure phraseStructure = (PhraseStructure)syntaxGraph;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.maltparser.core.symbol.SymbolTableHandler symbolTables = phraseStructure.getSymbolTables();
SymbolTableHandler symbolTables = phraseStructure.SymbolTables;
PhraseStructureNode parent = null;
PhraseStructureNode child = null;
currentHeaderTable = NegraTables.UNDEF;
string line = null;
syntaxGraph.Clear();
nonterminals.Clear();
try
{
while (true)
{
line = reader.ReadLine();
if (ReferenceEquals(line, null))
{
if (syntaxGraph.HasTokens())
{
sentenceCount++;
if (syntaxGraph is MappablePhraseStructureGraph)
{
((MappablePhraseStructureGraph)syntaxGraph).Mapping.updateDependenyGraph(((MappablePhraseStructureGraph)syntaxGraph), ((PhraseStructure)syntaxGraph).PhraseStructureRoot);
}
}
if (cIterations < nIterations)
{
cIterations++;
reopen();
return(true);
}
return(false);
}
else if (line.StartsWith("#EOS", StringComparison.Ordinal))
{
currentTerminalSize = 0;
currentNonTerminalSize = 0;
currentHeaderTable = NegraTables.UNDEF;
if (syntaxGraph is MappablePhraseStructureGraph)
{
((MappablePhraseStructureGraph)syntaxGraph).Mapping.updateDependenyGraph(((MappablePhraseStructureGraph)syntaxGraph), ((PhraseStructure)syntaxGraph).PhraseStructureRoot);
}
return(true);
}
else if (line.StartsWith("#BOS", StringComparison.Ordinal))
{
currentHeaderTable = NegraTables.SENTENCE;
int s = -1, e = -1;
for (int i = 5, n = line.Length; i < n; i++)
{
if (char.IsDigit(line[i]) && s == -1)
{
s = i;
}
if (line[i] == ' ')
{
e = i;
break;
}
}
if (s != e && s != -1 && e != -1)
{
phraseStructure.SentenceID = int.Parse(line.Substring(s, e - s));
}
sentenceCount++;
}
else if (currentHeaderTable == NegraTables.SENTENCE)
{
if (line.Length >= 2 && line[0] == '#' && char.IsDigit(line[1]))
{ // Non-terminal
IEnumerator <ColumnDescription> columns = dataFormatInstance.GetEnumerator();
ColumnDescription column = null;
currentNonTerminalSize++;
char[] lineChars = line.ToCharArray();
int start = 0;
int secedgecounter = 0;
for (int i = 0, n = lineChars.Length; i < n; i++)
{
if (lineChars[i] == '\t' && start == i)
{
start++;
}
else if (lineChars[i] == '\t' || i == n - 1)
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
if (columns.hasNext())
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
column = columns.next();
}
if (column.Position == 0)
{
int index = int.Parse((i == n - 1)?line.Substring(start + 1):line.Substring(start + 1, i - (start + 1)));
child = nonterminals[index];
if (child == null)
{
if (index != 0)
{
child = ((PhraseStructure)syntaxGraph).addNonTerminalNode(index - START_ID_OF_NONTERMINALS + 1);
}
nonterminals[index] = child;
}
}
else if (column.Position == 2 && child != null)
{
syntaxGraph.AddLabel(child, "CAT", (i == n - 1)?line.Substring(start):line.Substring(start, i - start));
}
else if (column.Category == ColumnDescription.PHRASE_STRUCTURE_EDGE_LABEL)
{
edgelabelSymbol.Length = 0;
edgelabelSymbol.Append((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
edgelabelTableName.Length = 0;
edgelabelTableName.Append(column.Name);
}
else if (column.Category == ColumnDescription.PHRASE_STRUCTURE_NODE_LABEL && child != null)
{
int index = int.Parse((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
parent = nonterminals[index];
if (parent == null)
{
if (index == 0)
{
parent = phraseStructure.PhraseStructureRoot;
}
else
{
parent = phraseStructure.addNonTerminalNode(index - START_ID_OF_NONTERMINALS + 1);
}
nonterminals[index] = parent;
}
Edge.Edge e = phraseStructure.addPhraseStructureEdge(parent, child);
syntaxGraph.AddLabel(e, edgelabelTableName.ToString(), edgelabelSymbol.ToString());
}
else if (column.Category == ColumnDescription.SECONDARY_EDGE_LABEL && child != null)
{
if (secedgecounter % 2 == 0)
{
edgelabelSymbol.Length = 0;
edgelabelSymbol.Append((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
secedgecounter++;
}
else
{
int index = int.Parse((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
if (index == 0)
{
parent = phraseStructure.PhraseStructureRoot;
}
else if (index < START_ID_OF_NONTERMINALS)
{
parent = phraseStructure.GetTokenNode(index);
}
else
{
parent = nonterminals[index];
if (parent == null)
{
parent = phraseStructure.addNonTerminalNode(index - START_ID_OF_NONTERMINALS + 1);
nonterminals[index] = parent;
}
}
Edge.Edge e = phraseStructure.addSecondaryEdge(parent, child);
e.addLabel(symbolTables.getSymbolTable(column.Name), edgelabelSymbol.ToString());
secedgecounter++;
}
}
start = i + 1;
}
}
}
else
{ // Terminal
IEnumerator <ColumnDescription> columns = dataFormatInstance.GetEnumerator();
ColumnDescription column = null;
currentTerminalSize++;
child = syntaxGraph.AddTokenNode(currentTerminalSize);
char[] lineChars = line.ToCharArray();
int start = 0;
int secedgecounter = 0;
for (int i = 0, n = lineChars.Length; i < n; i++)
{
if (lineChars[i] == '\t' && start == i)
{
start++;
}
else if (lineChars[i] == '\t' || i == n - 1)
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
if (columns.hasNext())
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
column = columns.next();
}
if (column.Category == ColumnDescription.INPUT && child != null)
{
syntaxGraph.AddLabel(child, column.Name, (i == n - 1)?line.Substring(start):line.Substring(start, i - start));
}
else if (column.Category == ColumnDescription.PHRASE_STRUCTURE_EDGE_LABEL && child != null)
{ // && column.getName().equals("EDGELABEL")) {
edgelabelSymbol.Length = 0;
edgelabelSymbol.Append((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
edgelabelTableName.Length = 0;
edgelabelTableName.Append(column.Name);
}
else if (column.Category == ColumnDescription.PHRASE_STRUCTURE_NODE_LABEL && child != null)
{
int index = int.Parse((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
parent = nonterminals[index];
if (parent == null)
{
if (index == 0)
{
parent = phraseStructure.PhraseStructureRoot;
}
else
{
parent = phraseStructure.addNonTerminalNode(index - START_ID_OF_NONTERMINALS + 1);
}
nonterminals[index] = parent;
}
Edge.Edge e = phraseStructure.addPhraseStructureEdge(parent, child);
syntaxGraph.AddLabel(e, edgelabelTableName.ToString(), edgelabelSymbol.ToString());
}
else if (column.Category == ColumnDescription.SECONDARY_EDGE_LABEL && child != null)
{
if (secedgecounter % 2 == 0)
{
edgelabelSymbol.Length = 0;
edgelabelSymbol.Append((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
secedgecounter++;
}
else
{
int index = int.Parse((i == n - 1)?line.Substring(start):line.Substring(start, i - start));
if (index == 0)
{
parent = phraseStructure.PhraseStructureRoot;
}
else if (index < START_ID_OF_NONTERMINALS)
{
parent = phraseStructure.GetTokenNode(index);
}
else
{
parent = nonterminals[index];
if (parent == null)
{
parent = phraseStructure.addNonTerminalNode(index - START_ID_OF_NONTERMINALS + 1);
nonterminals[index] = parent;
}
}
Edge.Edge e = phraseStructure.addSecondaryEdge(parent, child);
e.addLabel(symbolTables.getSymbolTable(column.Name), edgelabelSymbol.ToString());
secedgecounter++;
}
}
start = i + 1;
}
}
}
}
else if (line.StartsWith("%%", StringComparison.Ordinal))
{ // comment skip
}
else if (line.StartsWith("#FORMAT", StringComparison.Ordinal))
{
// int index = line.indexOf(' ');
// if (index > -1) {
// try {
// formatVersion = Integer.parseInt(line.substring(index+1));
// } catch (NumberFormatException e) {
//
// }
// }
}
else if (line.StartsWith("#BOT", StringComparison.Ordinal))
{
// int index = line.indexOf(' ');
// if (index > -1) {
// if (line.substring(index+1).equals("ORIGIN")) {
// currentHeaderTable = NegraTables.ORIGIN;
// } else if (line.substring(index+1).equals("EDITOR")) {
// currentHeaderTable = NegraTables.EDITOR;
// } else if (line.substring(index+1).equals("WORDTAG")) {
// currentHeaderTable = NegraTables.WORDTAG;
// } else if (line.substring(index+1).equals("MORPHTAG")) {
// currentHeaderTable = NegraTables.MORPHTAG;
// } else if (line.substring(index+1).equals("NODETAG")) {
// currentHeaderTable = NegraTables.NODETAG;
// } else if (line.substring(index+1).equals("EDGETAG")) {
// currentHeaderTable = NegraTables.EDGETAG;
// } else if (line.substring(index+1).equals("SECEDGETAG")) {
// currentHeaderTable = NegraTables.SECEDGETAG;
// } else {
// currentHeaderTable = NegraTables.UNDEF;
// }
// }
}
else if (line.StartsWith("#EOT", StringComparison.Ordinal))
{
currentHeaderTable = NegraTables.UNDEF;
}
}
}
catch (IOException e)
{
throw new DataFormatException("Error when reading from the input file. ", e);
}
}