private SeparatedValueReader(TextReader reader, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException(nameof(schema));
}
if (options == null)
{
options = new SeparatedValueOptions();
}
if (options.RecordSeparator == options.Separator)
{
throw new ArgumentException(SharedResources.SameSeparator, nameof(options));
}
RetryReader retryReader = new RetryReader(reader);
this.parser = new SeparatedValueRecordParser(retryReader, options);
if (hasSchema)
{
this.schema = schema;
}
}
public SeparatedValueRecordParser(RetryReader reader, SeparatedValueOptions options)
{
this.reader = reader;
this.options = options.Clone();
this.separatorMatcher = SeparatorMatcher.GetMatcher(reader, options.Separator);
this.recordSeparatorMatcher = SeparatorMatcher.GetMatcher(reader, options.RecordSeparator);
if (options.RecordSeparator != null && options.RecordSeparator.StartsWith(options.Separator))
{
string postfix = options.RecordSeparator.Substring(options.Separator.Length);
this.postfixMatcher = SeparatorMatcher.GetMatcher(reader, postfix);
}
this.separatorLength = Math.Max(this.options.RecordSeparator?.Length ?? 2, this.options.Separator.Length);
this.tokens = new List <string>();
this.token = new StringBuilder();
}
public static ISeparatorMatcher GetMatcher(RetryReader reader, string separator)
{
if (separator == null)
{
return(new DefaultSeparatorMatcher(reader));
}
else if (separator.Length == 1)
{
return(new OneCharacterSeparatorMatcher(reader, separator[0]));
}
else if (separator.Length == 2)
{
return(new TwoCharacterSeparatorMatcher(reader, separator[0], separator[1]));
}
else
{
return(new StringSeparatorMatcher(reader, separator));
}
}
public TwoCharacterSeparatorMatcher(RetryReader reader, char first, char second)
{
this.reader = reader;
this.first = first;
this.second = second;
}
public OneCharacterSeparatorMatcher(RetryReader reader, char first)
{
this.reader = reader;
this.first = first;
}
public DefaultSeparatorMatcher(RetryReader reader)
{
this.reader = reader;
}
public StringSeparatorMatcher(RetryReader reader, string separator)
{
this.reader = reader;
this.separator = separator;
}
public SeparatorRecordReader(TextReader reader, string separator)
{
this.reader = new RetryReader(reader);
this.matcher = SeparatorMatcher.GetMatcher(this.reader, separator);
this.builder = new StringBuilder();
}