private async ValueTask <string> ReadStreamAsText(IXIncludeResource resource)
{
var stream = await resource.GetStream().ConfigureAwait(false);
await using (stream.ConfigureAwait(false))
{
using var streamReader = new StreamReader(stream, GetEncoding(resource), detectEncodingFromByteOrderMarks: true);
return(await streamReader.ReadToEndAsync().ConfigureAwait(false));
}
}
private Encoding GetEncoding(IXIncludeResource resource)
{
if (resource.ContentType?.CharSet is { Length : > 0 } charSet)
{
return(Encoding.GetEncoding(charSet));
}
if (_encodingValue is { Length : > 0 } encoding)
{
return(Encoding.GetEncoding(encoding));
}
return(Encoding.UTF8);
}
private static bool IsXml(IXIncludeResource resource)
{
var mediaType = resource.ContentType?.MediaType;
if (mediaType is null)
{
return(false);
}
const StringComparison ct = StringComparison.OrdinalIgnoreCase;
const string textXml = "text/xml";
const string applicationXml = "application/xml";
const string text = "text/";
const string application = "application/";
const string xml = "+xml";
return(string.Equals(mediaType, applicationXml, ct) ||
string.Equals(mediaType, textXml, ct) ||
(mediaType.StartsWith(text, ct) || mediaType.StartsWith(application, ct)) && mediaType.EndsWith(xml, ct));
}
private static async ValueTask <string> ReadStreamAsXml(IXIncludeResource resource)
{
var stream = await resource.GetStream().ConfigureAwait(false);
await using (stream.ConfigureAwait(false))
{
using var xmlReader = Create(stream);
var stringBuilder = new StringBuilder();
using (var xmlWriter = XmlWriter.Create(stringBuilder))
{
while (await xmlReader.ReadAsync().ConfigureAwait(false))
{
xmlWriter.WriteNode(xmlReader, defattr: false);
}
}
return(stringBuilder.ToString());
}
}