public SortKey GetSortKey(string source)
{
#if NET461
return(_collator.GetSortKey(source));
#elif NETSTANDARD2_0
Icu.SortKey icuSortKey = _collator.GetSortKey(source);
SortKey sortKey = CultureInfo.InvariantCulture.CompareInfo.GetSortKey(string.Empty, CompareOptions.None);
string keyDataFieldName, origStringFieldName;
if (Platform.IsDotNetFramework)
{
keyDataFieldName = "m_KeyData";
origStringFieldName = "m_String";
}
else if (Platform.IsDotNetCore)
{
keyDataFieldName = "_keyData";
origStringFieldName = "_string";
}
else if (Platform.IsMono)
{
keyDataFieldName = "key";
origStringFieldName = "source";
}
else
{
throw new PlatformNotSupportedException();
}
SetInternalFieldForPublicProperty(sortKey, "SortKey.KeyData", keyDataFieldName, icuSortKey.KeyData);
SetInternalFieldForPublicProperty(sortKey, "SortKey.OriginalString", origStringFieldName,
icuSortKey.OriginalString);
return(sortKey);
#endif
}
public override void SetStringValue(string value)
{
key = collator.GetSortKey(value);
bytes.Bytes = key.KeyData;
bytes.Offset = 0;
bytes.Length = key.KeyData.Length;
}
public override void FillBytesRef()
{
BytesRef bytes = this.BytesRef;
SortKey key = collator.GetSortKey(ToString());
bytes.Bytes = key.KeyData;
bytes.Offset = 0;
bytes.Length = key.KeyData.Length;
}
public override bool IncrementToken()
{
if (m_input.IncrementToken())
{
char[] termBuffer = termAtt.Buffer;
string termText = new string(termBuffer, 0, termAtt.Length);
reusableKey = collator.GetSortKey(termText);
int encodedLength = IndexableBinaryStringTools.GetEncodedLength(
reusableKey.KeyData, 0, reusableKey.KeyData.Length);
if (encodedLength > termBuffer.Length)
{
termAtt.ResizeBuffer(encodedLength);
}
termAtt.SetLength(encodedLength);
IndexableBinaryStringTools.Encode(reusableKey.KeyData, 0, reusableKey.KeyData.Length,
termAtt.Buffer, 0, encodedLength);
return(true);
}
else
{
return(false);
}
}
