/// <summary>
/// Extracts and parses the day number from the given regex Match instance.
/// </summary>
/// <param name="m">The regex Match instance to extract day number from.</param>
/// <returns></returns>
private int ExtractDayNum(Match m)
{
int dayNum = -1;
foreach (Capture c in m.Groups["DayNum"].Captures)
{
string value = c.Value;
if (Char.IsDigit(value[0]))
{
int n;
value = ParsingUtils.ConvertNumber2English(value);
if (Int32.TryParse(value, out n))
{
dayNum = n;
}
else
{
dayNum = -1;
}
}
else
{
dayNum = -1;
foreach (PersianNumberPatternInfo pi in persianNumberParser.FindAndParse(c.Value))
{
dayNum = (int)pi.Number;
}
}
}
return(dayNum);
}
/// <summary>
/// Extracts and parses the week-day from the given regex Match instance.
/// </summary>
/// <param name="m">The regex Match instance to extract week-day from.</param>
/// <returns></returns>
private Weekdays ExtractWeekday(Match m)
{
Weekdays w = Weekdays.Illeagal;
foreach (Capture c in m.Groups["Weekday"].Captures)
{
if (c.Value == "جمعه")
{
w = Weekdays.Fri;
}
if (c.Value == "شنبه")
{
w = Weekdays.Sat;
}
else
{
foreach (Capture cc in m.Groups["WeekdayNum"].Captures)
{
string value = cc.Value;
if (Char.IsDigit(value[0]))
{
int n;
value = ParsingUtils.ConvertNumber2English(value);
if (Int32.TryParse(value, out n))
{
w = NthWeekday(n);
}
else
{
w = Weekdays.Illeagal;
}
}
else
{
Int64 n;
if (PersianLiteral2NumMap.TryPersianString2Num(value, out n))
{
w = NthWeekday((int)n);
}
else
{
w = Weekdays.Illeagal;
}
}
}
}
}
return(w);
}
/// <summary>
/// Extracts and parses the three digit block from the specified string.
/// </summary>
/// <param name="str">The string to extract number from.</param>
/// <returns></returns>
private long ExtractThreeDB(string str)
{
long num = 0L;
long tempNum = 0L;
if (Char.IsDigit(str[0]))
{
string strNum = ParsingUtils.ConvertNumber2English(str.Trim());
int n;
if (Int32.TryParse(strNum, out n))
{
num = (long)n;
}
}
else
{
Regex regex = new Regex(ThreeDigitBlockPattern());
foreach (Match m in regex.Matches(str))
{
foreach (Capture c in m.Groups[ONES_NAME].Captures)
{
if (PersianLiteral2NumMap.TryPersianString2Num(c.Value, out tempNum))
{
num += tempNum;
}
}
foreach (Capture c in m.Groups[TENS_NAME].Captures)
{
if (PersianLiteral2NumMap.TryPersianString2Num(c.Value, out tempNum))
{
num += tempNum;
}
}
foreach (Capture c in m.Groups[TENONES_NAME].Captures)
{
if (PersianLiteral2NumMap.TryPersianString2Num(c.Value, out tempNum))
{
num += tempNum;
}
}
num += ExtractHundreds(m);
}
}
return(num);
}
/// <summary>
/// Searches the specified string for digitized number patterns, and tries to parse the patterns found.
/// </summary>
/// <param name="str">The string to be searched.</param>
/// <returns>A sequence of <see cref="DigitizedNumberPatternInfo"/> objects which contain
/// information about the patterns found.</returns>
public IEnumerable <DigitizedNumberPatternInfo> FindAndParse(string str)
{
var l = new List <DigitizedNumberPatternInfo>();
var wordTokenizer = new WordTokenizer(WordTokenizerOptions.None);
foreach (var wordInfo in wordTokenizer.Tokenize(str))
{
if (wordInfo.IsNumber)
{
var refinedWord = PostProcessNumberWordInfo(wordInfo);
double result;
if (Double.TryParse(ParsingUtils.ConvertNumber2English(refinedWord.Value), out result))
{
l.Add(new DigitizedNumberPatternInfo(refinedWord.Value, refinedWord.Index, refinedWord.Length, result));
}
}
}
return(l);
}
/// <summary>
/// Extracts and parses the day number.
/// </summary>
/// <param name="m">The regex Match object to parse.</param>
/// <returns></returns>
private int ExtractDayNum(Match m)
{
int dayNum = -1;
foreach (Capture c in m.Groups["DayNum"].Captures)
{
string value = c.Value;
if (Char.IsDigit(value[0]))
{
int n;
value = ParsingUtils.ConvertNumber2English(value);
if (Int32.TryParse(value, out n))
{
dayNum = n;
}
else
{
dayNum = -1;
}
}
}
return(dayNum);
}
