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Refactor Excel writers and readers for performance and limit handling #23

Refactor Excel writers and readers for performance and limit handling

Refactor Excel writers and readers for performance and limit handling #23

Triggered via pull request June 27, 2026 06:40
Status Success
Total duration 2m 6s
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50 warnings
Run (xls-read): src/ExcelReader.Core/Reader/XlsbReader.Enumerator.cs#L23
'Enumerator' contains field '_reader' that is of IDisposable type 'XlsbReader', but it is never disposed. Change the Dispose method on 'Enumerator' to call Close or Dispose on this field. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2213)
Run (xls-read): src/ExcelReader.Core/Reader/XlsReader.cs#L121
Call System.IDisposable.Dispose on object created by 'GetAsyncEnumerator(ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (xls-read): src/ExcelReader.Core/Reader/XlsReader.cs#L116
Call System.IDisposable.Dispose on object created by 'new Enumerator(this, _sheets[_current].Offset, ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (xls-read): src/ExcelReader.Core/Reader/XlsReader.cs#L121
'XlsReader.GetAsyncEnumerator(CancellationToken)' synchronously blocks. Await 'XlsReader.GetAsyncEnumeratorAsync(CancellationToken)' instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1849)
Run (xls-read): src/ExcelReader.Core/Writer/SheetWriter.cs#L85
Use "Async" suffix in names of methods that return an awaitable type (https://microsoft.github.io/vs-threading/analyzers/VSTHRD200.html)
Run (xls-read): src/ExcelReader.Core/Writer/XlsbSheetWriter.cs#L65
Call System.IDisposable.Dispose on object created by 'new XlsbRowWriter(this, _date1904)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (xls-read): src/ExcelReader.Core/Parser/Internal/ExcelEnumerable.cs#L125
Method 'ExcelReader.Core.Parser.Internal.ExcelEnumerable<T, TReader, TEnumerator>.AsyncEnumerator.AsyncEnumerator(TReader, ExcelReader.Core.Parser.Internal.TypeMapInfo<T>, System.StringComparer, ExcelReader.Core.Parser.HeaderNormalization, int, System.Threading.CancellationToken, System.IFormatProvider)' should take CancellationToken as the last parameter (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1068)
Run (xls-write): src/ExcelReader.Core/Reader/XlsbReader.Enumerator.cs#L23
'Enumerator' contains field '_reader' that is of IDisposable type 'XlsbReader', but it is never disposed. Change the Dispose method on 'Enumerator' to call Close or Dispose on this field. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2213)
Run (xls-write): src/ExcelReader.Core/Reader/XlsReader.cs#L121
Call System.IDisposable.Dispose on object created by 'GetAsyncEnumerator(ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (xls-write): src/ExcelReader.Core/Reader/XlsReader.cs#L121
'XlsReader.GetAsyncEnumerator(CancellationToken)' synchronously blocks. Await 'XlsReader.GetAsyncEnumeratorAsync(CancellationToken)' instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1849)
Run (xls-write): src/ExcelReader.Core/Reader/XlsReader.cs#L116
Call System.IDisposable.Dispose on object created by 'new Enumerator(this, _sheets[_current].Offset, ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (xls-write): src/ExcelReader.Core/Writer/SheetWriter.cs#L85
Use "Async" suffix in names of methods that return an awaitable type (https://microsoft.github.io/vs-threading/analyzers/VSTHRD200.html)
Run (xls-write): src/ExcelReader.Core/Writer/XlsbSheetWriter.cs#L65
Call System.IDisposable.Dispose on object created by 'new XlsbRowWriter(this, _date1904)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (xls-write): src/ExcelReader.Core/Parser/Internal/ExcelEnumerable.cs#L125
Method 'ExcelReader.Core.Parser.Internal.ExcelEnumerable<T, TReader, TEnumerator>.AsyncEnumerator.AsyncEnumerator(TReader, ExcelReader.Core.Parser.Internal.TypeMapInfo<T>, System.StringComparer, ExcelReader.Core.Parser.HeaderNormalization, int, System.Threading.CancellationToken, System.IFormatProvider)' should take CancellationToken as the last parameter (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1068)
Run (write): src/ExcelReader.Core/Reader/XlsbReader.Enumerator.cs#L23
'Enumerator' contains field '_reader' that is of IDisposable type 'XlsbReader', but it is never disposed. Change the Dispose method on 'Enumerator' to call Close or Dispose on this field. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2213)
Run (write): src/ExcelReader.Core/Reader/XlsReader.cs#L121
Call System.IDisposable.Dispose on object created by 'GetAsyncEnumerator(ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (write): src/ExcelReader.Core/Reader/XlsReader.cs#L121
'XlsReader.GetAsyncEnumerator(CancellationToken)' synchronously blocks. Await 'XlsReader.GetAsyncEnumeratorAsync(CancellationToken)' instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1849)
Run (write): src/ExcelReader.Core/Reader/XlsReader.cs#L116
Call System.IDisposable.Dispose on object created by 'new Enumerator(this, _sheets[_current].Offset, ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (write): src/ExcelReader.Core/Writer/XlsbSheetWriter.cs#L65
Call System.IDisposable.Dispose on object created by 'new XlsbRowWriter(this, _date1904)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (write): src/ExcelReader.Core/Writer/SheetWriter.cs#L85
Use "Async" suffix in names of methods that return an awaitable type (https://microsoft.github.io/vs-threading/analyzers/VSTHRD200.html)
Run (write): src/ExcelReader.Core/Parser/Internal/ExcelEnumerable.cs#L125
Method 'ExcelReader.Core.Parser.Internal.ExcelEnumerable<T, TReader, TEnumerator>.AsyncEnumerator.AsyncEnumerator(TReader, ExcelReader.Core.Parser.Internal.TypeMapInfo<T>, System.StringComparer, ExcelReader.Core.Parser.HeaderNormalization, int, System.Threading.CancellationToken, System.IFormatProvider)' should take CancellationToken as the last parameter (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1068)
Run (read): src/ExcelReader.Core/Reader/XlsbReader.Enumerator.cs#L23
'Enumerator' contains field '_reader' that is of IDisposable type 'XlsbReader', but it is never disposed. Change the Dispose method on 'Enumerator' to call Close or Dispose on this field. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2213)
Run (read): src/ExcelReader.Core/Reader/XlsReader.cs#L121
Call System.IDisposable.Dispose on object created by 'GetAsyncEnumerator(ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (read): src/ExcelReader.Core/Reader/XlsReader.cs#L121
'XlsReader.GetAsyncEnumerator(CancellationToken)' synchronously blocks. Await 'XlsReader.GetAsyncEnumeratorAsync(CancellationToken)' instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1849)
Run (read): src/ExcelReader.Core/Reader/XlsReader.cs#L116
Call System.IDisposable.Dispose on object created by 'new Enumerator(this, _sheets[_current].Offset, ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (read): src/ExcelReader.Core/Writer/SheetWriter.cs#L85
Use "Async" suffix in names of methods that return an awaitable type (https://microsoft.github.io/vs-threading/analyzers/VSTHRD200.html)
Run (read): src/ExcelReader.Core/Writer/XlsbSheetWriter.cs#L65
Call System.IDisposable.Dispose on object created by 'new XlsbRowWriter(this, _date1904)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (read): src/ExcelReader.Core/Parser/Internal/ExcelEnumerable.cs#L125
Method 'ExcelReader.Core.Parser.Internal.ExcelEnumerable<T, TReader, TEnumerator>.AsyncEnumerator.AsyncEnumerator(TReader, ExcelReader.Core.Parser.Internal.TypeMapInfo<T>, System.StringComparer, ExcelReader.Core.Parser.HeaderNormalization, int, System.Threading.CancellationToken, System.IFormatProvider)' should take CancellationToken as the last parameter (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1068)
Run (parse): src/ExcelReader.Core/Reader/XlsbReader.Enumerator.cs#L23
'Enumerator' contains field '_reader' that is of IDisposable type 'XlsbReader', but it is never disposed. Change the Dispose method on 'Enumerator' to call Close or Dispose on this field. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2213)
Run (parse): src/ExcelReader.Core/Reader/XlsReader.cs#L121
Call System.IDisposable.Dispose on object created by 'GetAsyncEnumerator(ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (parse): src/ExcelReader.Core/Reader/XlsReader.cs#L121
'XlsReader.GetAsyncEnumerator(CancellationToken)' synchronously blocks. Await 'XlsReader.GetAsyncEnumeratorAsync(CancellationToken)' instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1849)
Run (parse): src/ExcelReader.Core/Reader/XlsReader.cs#L116
Call System.IDisposable.Dispose on object created by 'new Enumerator(this, _sheets[_current].Offset, ct)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (parse): src/ExcelReader.Core/Writer/XlsbSheetWriter.cs#L65
Call System.IDisposable.Dispose on object created by 'new XlsbRowWriter(this, _date1904)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)
Run (parse): src/ExcelReader.Core/Writer/SheetWriter.cs#L85
Use "Async" suffix in names of methods that return an awaitable type (https://microsoft.github.io/vs-threading/analyzers/VSTHRD200.html)
Run (parse): src/ExcelReader.Core/Parser/Internal/ExcelEnumerable.cs#L125
Method 'ExcelReader.Core.Parser.Internal.ExcelEnumerable<T, TReader, TEnumerator>.AsyncEnumerator.AsyncEnumerator(TReader, ExcelReader.Core.Parser.Internal.TypeMapInfo<T>, System.StringComparer, ExcelReader.Core.Parser.HeaderNormalization, int, System.Threading.CancellationToken, System.IFormatProvider)' should take CancellationToken as the last parameter (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1068)