protected override NumberRange GetNumberRange(Match match, UnitCoderBase coder)
{
var start = GetNumber(match.Groups["start"], coder);
var end = GetNumber(match.Groups["end"], coder);
return(new NumberRange()
{
Start = new NumberValue(start.Value),
End = new NumberValue(end.Value)
});
}
protected override NumberRange GetNumberRange(Match match, UnitCoderBase coder)
{
NumberRange result = new NumberRange();
result.End = new NumberValue(GetNumber(match.Groups["end"], coder).Value);
Group startGroup = match.Groups["from"];
if (startGroup.Success)
{
result.Start = new NumberValue(GetNumber(match.Groups["start"], coder).Value);
}
return(result);
}
protected override NumberRange GetNumberRange(Match match, UnitCoderBase coder)
{
var number = new NumberValue(GetNumber(match.Groups["number"], coder).Value);
NumberRange result = new NumberRange();
if (match.Groups["great"].Success)
{
result.Start = number;
}
else
{
result.End = number;
}
return(result);
}
/// <summary>
/// Получение числа из группы
/// </summary>
/// <param name="group">группа</param>
/// <param name="coder">кодер юнитов</param>
/// <returns>число</returns>
protected Entity GetNumber(Group group, UnitCoderBase coder)
{
foreach (UnitTextBase unit in coder.GetUnits(group.Index, group.Length))
{
if (unit.IsEntity)
{
Entity entity = (Entity)unit;
if (entity.IsNumber())
{
return(entity);
}
}
}
throw new InvalidOperationException("can't find numeric unit");
}
/// <summary>
/// Выделение из текста интервалов чисел
/// </summary>
/// <param name="text">текст</param>
/// <param name="coder">кодер юнитов</param>
/// <returns>интервалы чисел</returns>
public NumberRange[] GetNumberRanges(string text, UnitCoderBase coder)
{
List <NumberRange> result = new List <NumberRange>();
var collection = Expression.Matches(text);
for (int i = 0; i < collection.Count; ++i)
{
var range = GetNumberRange(collection[i], coder);
var units = coder.GetUnits(collection[i].Index, collection[i].Length);
range.StartPosition = units.First().PositionInfo.Start;
range.EndPosition = units.Last().PositionInfo.End;
range.Text = units.GetTextWithSubText();
result.Add(range);
}
return(result.ToArray());
}
protected override NumberRange GetNumberRange(Match match, UnitCoderBase coder)
{
string baseNumber = GetNumber(match.Groups["base"], coder).Value;
double baseValue = NumberParser.Parse(baseNumber);
double delta = NumberParser.Parse(GetNumber(match.Groups["delta"], coder).Value);
bool isExponential = baseNumber.ToUpper().Contains('E');
return(new NumberRange()
{
Start = new NumberValue(baseValue - delta)
{
IsExponential = isExponential
},
End = new NumberValue(baseValue + delta)
{
IsExponential = isExponential
}
});
}
/// <summary> /// Получение интервала чисел /// </summary> /// <param name="match">результат работы регулярного выражения</param> /// <param name="coder">кодер юнитов</param> /// <returns>интервал чисел</returns> protected abstract NumberRange GetNumberRange(Match match, UnitCoderBase coder);
