public CsvReader(TextReader reader, bool hasHeaders, char delimiter, char quote, char escape, char comment,
bool trimSpaces, int bufferSize)
{
#if DEBUG && !WINDOWS_8 && !UWP
var stackTrace = new StackTrace();
_allocStack = stackTrace;
#endif
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (bufferSize <= 0)
{
throw new Exception(Resources.BufferSizeSmall);
}
_bufferSize = bufferSize;
if (reader is StreamReader streamReader)
{
var stream = streamReader.BaseStream;
if (stream.CanSeek)
{
// 处理返回小于或等于0的错误实现
if (stream.Length > 0)
{
_bufferSize = (int)Math.Min(bufferSize, stream.Length);
}
}
}
_reader = reader;
_delimiter = delimiter;
_quote = quote;
_escape = escape;
_comment = comment;
_hasHeaders = hasHeaders;
_trimSpaces = trimSpaces;
_supportsMultiline = true;
_skipEmptyLines = true;
_currentRecordIndex = -1;
_defaultParseErrorAction = ParseErrorAction.RaiseEvent;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error">The error that occured.</param>
/// <param name="defaultAction">The default action to take.</param>
public ParseErrorEventArgs(MalformedCsvException error, ParseErrorAction defaultAction)
: base()
{
_error = error;
_action = defaultAction;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error"> The error that occured. </param>
/// <param name="defaultAction"> The default action to take. </param>
public ParseErrorEventArgs(MalformedCsvException error, ParseErrorAction defaultAction)
: base()
{
this.error = error;
this.action = defaultAction;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error">The error that occurred.</param>
/// <param name="action">The action to take.</param>
public ParseErrorEventArgs(MalformedRecordException error, ParseErrorAction action)
: base()
{
this.Error = error;
this.Action = action;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error">The error that occured.</param>
/// <param name="defaultAction">The default action to take.</param>
public ParseErrorEventArgs(MalformedCsvException error, ParseErrorAction defaultAction)
{
Error = error;
Action = defaultAction;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error">The error that occured.</param>
/// <param name="defaultAction">The default action to take.</param>
public ParseErrorEventArgs(Exception error, ParseErrorAction defaultAction)
: base()
{
_error = error;
_action = defaultAction;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error">The error that occured.</param>
/// <param name="defaultAction">The default action to take.</param>
public ParseErrorEventArgs(MalformedCsvException error, ParseErrorAction defaultAction) {
_error = error;
Action = defaultAction;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error">The error that occurred.</param>
/// <param name="action">The action to take.</param>
public ParseErrorEventArgs(MalformedRecordException error, ParseErrorAction action)
: base()
{
this.Error = error;
this.Action = action;
}
/// <summary>
/// Initializes a new instance of the ParseErrorEventArgs class.
/// </summary>
/// <param name="error">
/// The error that occured.
/// </param>
/// <param name="defaultAction">
/// The default action to take.
/// </param>
public ParseErrorEventArgs(CsvException error, ParseErrorAction defaultAction)
{
this._error = error;
this._action = defaultAction;
}
