/// <summary>
/// 从行文本头或尾开始截取文本直到空白符
/// </summary>
/// <param name="row"></param>
/// <param name="position"></param>
/// <param name="checkIngnore">是否先从行文本中截取—</param>
/// <returns></returns>
private static string GetUntilSpaceFromRow(ref string row, PositionInRow position, bool checkIngnore = true)
{
if (checkIngnore && GetIgnoreSymbolFromRow(ref row, position))
{
return(IGNORE_SYMBOL);
}
Regex regex;
switch (position)
{
case PositionInRow.Start:
regex = new Regex(@"^\S+\s*");
break;
case PositionInRow.End:
regex = new Regex(@"\s*\S+$");
break;
default:
throw new NotImplementedException("GetUntilSpaceFromRow不支持此position");
}
var match = regex.Match(row);
string r = "";
if (match.Success)
{
r = match.Value.Trim();
row = regex.Replace(row, "").Trim();
}
return(r);
}
/// <summary>
/// 从行文本中截取—
/// </summary>
/// <returns></returns>
private static bool GetIgnoreSymbolFromRow(ref string row, PositionInRow position)
{
Regex regex;
switch (position)
{
case PositionInRow.Start:
regex = new Regex(@"^" + IGNORE_SYMBOL + @"\s*");
break;
case PositionInRow.End:
regex = new Regex(@"\s*" + IGNORE_SYMBOL + @"$");
break;
default:
regex = new Regex(@"\s" + IGNORE_SYMBOL + @"\s+");
break;
}
var match = regex.Match(row);
bool r = false;
if (match.Success)
{
r = true;
row = regex.Replace(row, "").Trim();
}
return(r);
}
