34 lines
1.2 KiB
C#
34 lines
1.2 KiB
C#
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using System.Threading.Tasks;
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namespace System.Xml {
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internal static partial class BinHexEncoder {
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internal static async Task EncodeAsync( byte[] buffer, int index, int count, XmlWriter writer ) {
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if ( buffer == null ) {
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throw new ArgumentNullException( "buffer" );
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}
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if ( index < 0 ) {
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throw new ArgumentOutOfRangeException( "index" );
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}
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if ( count < 0 ) {
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throw new ArgumentOutOfRangeException( "count" );
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}
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if ( count > buffer.Length - index ) {
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throw new ArgumentOutOfRangeException( "count" );
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}
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char[] chars = new char[ ( count * 2 ) < CharsChunkSize ? ( count * 2 ) : CharsChunkSize ];
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int endIndex = index + count;
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while ( index < endIndex ) {
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int cnt = ( count < CharsChunkSize/2 ) ? count : CharsChunkSize/2;
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int charCount = Encode( buffer, index, cnt, chars );
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await writer.WriteRawAsync( chars, 0, charCount ).ConfigureAwait(false);
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index += cnt;
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count -= cnt;
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}
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}
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} // class
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} // namespace
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