public string OpenFile(string location)
{
List <object> annotationParts = new List <object>();
// First, read sentiment file. It is ok for it to not exist
try
{
var sentimentLocation = Path.ChangeExtension(location, ".snt");
string[] sentimentLines = File.ReadAllLines(sentimentLocation);
string sentiment = sentimentLines[0];
annotationParts.Add(sentiment);
} catch (Exception e)
{
annotationParts.Add("UNK");
}
// Second read the ann file
//===========================================
// Read configuration for entity types first
List <EntityType> entityTypes = fetchEntityTypesFromConfiguration();
try {
string[] allLines = File.ReadAllLines(location);
string formatLine = allLines[1];
var formatPattern = @"###FORMAT: ([A-Za-z]+) ###";
var match = Regex.Match(formatLine, formatPattern);
string format = match.Groups[1].Value;
if (format == "default")
{
List <Annotation> annotations = new List <Annotation>();
for (int index = 2; index < allLines.Length; index++)
{
EntityMention em = EntityMention.FromString(allLines[index]);
Annotation ann = new Annotation();
ann.begin = em.begin;
ann.end = em.end;
ann.type = em.type;
ann.color = colorDict[ann.type];
annotations.Add(ann);
}
annotationParts.Add(annotations);
return(JsonConvert.SerializeObject(annotationParts));
}
else if (format == "xml")
{
List <Annotation> annotations = new List <Annotation>();
string fulltext = String.Concat(new List <string>(allLines).GetRange(2, allLines.Length).ToArray());
var inlinePattern = BuildEntityTypePattern(entityTypes);
Regex inlineRegex = new Regex(inlinePattern);
int xmlJunkOffset = 0;
foreach (Match inlineMatch in inlineRegex.Matches(fulltext))
{
string text = match.Value;
int begin = match.Index;
int end = inlineMatch.Length - begin;
Annotation ann = new Annotation();
ann.begin = begin - xmlJunkOffset;
ann.end = end - xmlJunkOffset;
SetAnnotationType(ann, entityTypes, text);
ann.color = colorDict[ann.type];
}
annotationParts.Add(annotations);
return(JsonConvert.SerializeObject(annotationParts));
}
else
{
return(null);
}
} catch (Exception e)
{
return(null);
}
}