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Added the option to make header parsing case-sensitive. #83

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Added the option to make header parsing case-sensitive. #83

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8 changes: 6 additions & 2 deletions code/LumenWorks.Framework.IO/Csv/CsvReader.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1418,9 +1418,12 @@ public bool ReadNextRecord()
/// Indicates if the reader will skip directly to the next line without parsing the current one.
/// To be used when an error occurs.
/// </param>
/// <param name="caseSensitiveHeaders">
/// Indicates if the reader should be case-sensitive when parsing headers.
/// </param>
/// <returns><see langword="true"/> if a record has been successfully reads; otherwise, <see langword="false"/>.</returns>
/// <exception cref="T:System.ComponentModel.ObjectDisposedException">The instance has been disposed of.</exception>
protected virtual bool ReadNextRecord(bool onlyReadHeaders, bool skipToNextLine)
protected virtual bool ReadNextRecord(bool onlyReadHeaders, bool skipToNextLine, bool caseSensitiveHeaders = false)
{
if (_eof)
{
Expand Down Expand Up @@ -1488,7 +1491,8 @@ protected virtual bool ReadNextRecord(bool onlyReadHeaders, bool skipToNextLine)
Array.Resize(ref _fields, _fieldCount);
}

_fieldHeaderIndexes = new Dictionary<string, int>(_fieldCount, StringComparer.CurrentCultureIgnoreCase);
var headerComparer = caseSensitiveHeaders ? StringComparer.CurrentCulture : StringComparer.CurrentCultureIgnoreCase;
_fieldHeaderIndexes = new Dictionary<string, int>(_fieldCount, headerComparer);

_initialized = true;

Expand Down