string getExactCandidate(ContractNoteTemplateFieldCandidate fieldCandidate, string valueCandidate)
{
string[] values = valueCandidate.Split((string[])null, StringSplitOptions.RemoveEmptyEntries);
int startIndex = fieldCandidate.startIndex < 0 ? values.Length + fieldCandidate.startIndex : fieldCandidate.startIndex;
int endIndex = fieldCandidate.endIndex < 0 ? values.Length + fieldCandidate.endIndex : fieldCandidate.endIndex;
if (startIndex < 0 || startIndex >= values.Length || endIndex < 0 || endIndex >= values.Length || startIndex > endIndex)
{
return(null);
}
string candidate = values[startIndex];
for (int i = startIndex + 1; i <= endIndex; i++)
{
candidate += " " + values[i];
}
return(candidate);
}
public string getCandidate(ContractNoteTemplateFieldCandidate fieldCandidate, List <Word> wordList)
{
if (!ContractNote.isEqual(fieldCandidate.key, word))
{
return(null);
}
string referenceWord = findAdjacencyWord(fieldCandidate, wordList, fieldCandidate.referenceDirection);
if (referenceWord == null)
{
return(null);
}
if (!referenceWord.Equals("NULL") && !ContractNote.isPrefix(fieldCandidate.referenceFieldPrefix, referenceWord))
{
return(null);
}
return(findAdjacencyWord(fieldCandidate, wordList, fieldCandidate.valueDirection, false));
}
string findAdjacencyWord(ContractNoteTemplateFieldCandidate fieldCandidate, List <Word> wordList, string route, bool isReferenceWord = true)
{
if (route.Length == 0)
{
if (isReferenceWord)
{
return(word);
}
string exactCandidate = getExactCandidate(fieldCandidate, word);
return(ContractNoteTemplateField.isValidCandidate(exactCandidate) ? exactCandidate : null);
}
char direction = route[0];
int repeatCount = 0, adjacencyNo;
for (int i = 0; i < route.Length; i++)
{
if (direction != route[i])
{
break;
}
repeatCount++;
}
for (int i = 1; i <= repeatCount; i++)
{
switch (direction)
{
case 'I':
return("NULL");
case 'U':
if (i > upList.Count)
{
continue;
}
adjacencyNo = upList[i - 1]; break;
case 'L':
if (i > leftList.Count)
{
continue;
}
adjacencyNo = leftList[i - 1]; break;
case 'D':
if (i > downList.Count)
{
continue;
}
adjacencyNo = downList[i - 1]; break;
case 'R':
if (i > rightList.Count)
{
continue;
}
adjacencyNo = rightList[i - 1]; break;
case 'S':
adjacencyNo = -1; break;
default:
continue;
}
if (adjacencyNo == -1)
{
return(word);
}
string adjacencyWord = wordList[adjacencyNo].findAdjacencyWord(fieldCandidate, wordList, route.Substring(i), isReferenceWord);
if (adjacencyWord != null)
{
return(adjacencyWord);
}
}
return(null);
}