public static T ReadLine <T>(string csvLine, CultureInfo culture = null, CsvReadOptions <T> options = null)
where T : class, new()
{
if (options == null)
{
options = new CsvReadOptions <T>();
}
culture = culture ?? DefaultCulture ?? CultureInfo.CurrentCulture;
Regex regex = GetRegex(culture, options.RegexTimeout);
Match m = regex.Match(csvLine);
var columns = ColumnInfoCache <T> .Columns;
return(ReadObject <T>(m,
columns.Select(c => c.MemberEntry).ToList(),
columns.Select(c => GetParser(culture, c, options.ParserFactory)).ToList()));
}
public static List <T> ReadBytes <T>(byte[] data, Encoding encoding = null, CultureInfo culture = null, int skipLines = 1, CsvReadOptions <T> options = null) where T : class, new()
{
using (MemoryStream ms = new MemoryStream(data))
return(ReadStream <T>(ms, encoding, culture, skipLines, options).ToList());
}
public static IEnumerable <T> ReadStream <T>(Stream stream, Encoding encoding = null, CultureInfo culture = null, int skipLines = 1, CsvReadOptions <T> options = null) where T : class, new()
{
encoding = encoding ?? DefaultEncoding;
culture = culture ?? DefaultCulture ?? CultureInfo.CurrentCulture;
if (options == null)
{
options = new CsvReadOptions <T>();
}
var columns = ColumnInfoCache <T> .Columns;
var members = columns.Select(c => c.MemberEntry).ToList();
var parsers = columns.Select(c => GetParser(culture, c, options.ParserFactory)).ToList();
Regex regex = GetRegex(culture, options.RegexTimeout);
if (options.AsumeSingleLine)
{
using (StreamReader sr = new StreamReader(stream, encoding))
{
for (int i = 0; i < skipLines; i++)
{
sr.ReadLine();
}
var line = skipLines;
while (true)
{
string csvLine = sr.ReadLine();
if (csvLine == null)
{
yield break;
}
Match m = null;
T t = null;
try
{
m = regex.Match(csvLine);
if (m.Length > 0)
{
t = ReadObject <T>(m, members, parsers);
}
}
catch (Exception e)
{
e.Data["row"] = line;
if (options.SkipError == null || !options.SkipError(e, m))
{
throw new ParseCsvException(e);
}
}
if (t != null)
{
yield return(t);
}
}
}
}
else
{
using (StreamReader sr = new StreamReader(stream, encoding))
{
string str = sr.ReadToEnd();
var matches = regex.Matches(str).Cast <Match>();
if (skipLines > 0)
{
matches = matches.Skip(skipLines);
}
int line = skipLines;
foreach (var m in matches)
{
if (m.Length > 0)
{
T t = null;
try
{
t = ReadObject <T>(m, members, parsers);
}
catch (Exception e)
{
e.Data["row"] = line;
if (options.SkipError == null || !options.SkipError(e, m))
{
throw new ParseCsvException(e);
}
}
if (t != null)
{
yield return(t);
}
}
line++;
}
}
}
}
public static List <T> ReadFile <T>(string fileName, Encoding encoding = null, CultureInfo culture = null, int skipLines = 1, CsvReadOptions <T> options = null) where T : class, new()
{
encoding = encoding ?? DefaultEncoding;
culture = culture ?? DefaultCulture ?? CultureInfo.CurrentCulture;
using (FileStream fs = File.OpenRead(fileName))
return(ReadStream <T>(fs, encoding, culture, skipLines, options).ToList());
}
