private static object FromRtfToHtml(ICoreItem coreItem, BodyWriteConfiguration configuration, Stream bodyStream, bool createWriter)
{
Stream stream = null;
object obj = null;
try
{
HtmlWriteConverterStream htmlWriteConverterStream = new HtmlWriteConverterStream(bodyStream, new RtfToHtml
{
FilterHtml = configuration.FilterHtml,
HtmlTagCallback = configuration.InternalHtmlTagCallback,
Header = configuration.InjectPrefix,
Footer = configuration.InjectSuffix,
HeaderFooterFormat = configuration.InjectionHeaderFooterFormat
});
stream = htmlWriteConverterStream;
stream = new BodyCharsetDetectionStream(stream, new BodyCharsetDetectionStream.DetectCharsetCallback(htmlWriteConverterStream.SetCharset), coreItem, BodyStreamFormat.RtfUncompressed, null, configuration.TargetCharset, configuration.TargetCharsetFlags, BodyWriteDelegates.GetExtraData(configuration), false);
obj = BodyWriteDelegates.GetRtfDecompressorOrUnicodeWriter(stream, createWriter);
}
finally
{
if (obj == null && stream != null)
{
BodyWriteDelegates.SafeDisposeStream(stream);
}
}
return(obj);
}
private static object FromRtfToText(ICoreItem coreItem, BodyWriteConfiguration configuration, Stream bodyStream, bool createWriter)
{
Stream stream = null;
object obj = null;
try
{
stream = new BodyCharsetDetectionStream(bodyStream, null, coreItem, BodyStreamFormat.Text, ConvertUtils.UnicodeCharset, configuration.TargetCharset, configuration.TargetCharsetFlags, null, false);
stream = new ConverterStream(stream, new RtfToText
{
OutputEncoding = ConvertUtils.UnicodeEncoding,
Header = configuration.InjectPrefix,
Footer = configuration.InjectSuffix,
HeaderFooterFormat = configuration.InjectionHeaderFooterFormat
}, ConverterStreamAccess.Write);
obj = BodyWriteDelegates.GetRtfDecompressorOrUnicodeWriter(stream, createWriter);
}
finally
{
if (obj == null && stream != null)
{
BodyWriteDelegates.SafeDisposeStream(stream);
}
}
return(obj);
}
private static object FromRtfToRtf(ICoreItem coreItem, BodyWriteConfiguration configuration, Stream bodyStream, bool createWriter)
{
Stream stream = null;
object obj = null;
try
{
if (!createWriter && !configuration.IsContentTransformationNeeded(coreItem))
{
obj = new BodyCharsetDetectionStream(bodyStream, null, coreItem, BodyStreamFormat.RtfCompressed, null, configuration.TargetCharset, configuration.TargetCharsetFlags, null, false);
}
else
{
stream = new ConverterStream(bodyStream, new RtfToRtfCompressed(), ConverterStreamAccess.Write);
stream = new BodyCharsetDetectionStream(stream, null, coreItem, BodyStreamFormat.RtfUncompressed, null, configuration.TargetCharset, configuration.TargetCharsetFlags, null, false);
if (configuration.InjectPrefix != null || configuration.InjectSuffix != null)
{
stream = new ConverterStream(stream, new RtfToRtf
{
Header = configuration.InjectPrefix,
Footer = configuration.InjectSuffix,
HeaderFooterFormat = configuration.InjectionHeaderFooterFormat
}, ConverterStreamAccess.Write);
}
obj = BodyWriteDelegates.GetRtfDecompressorOrUnicodeWriter(stream, createWriter);
}
}
finally
{
if (obj == null && stream != null)
{
BodyWriteDelegates.SafeDisposeStream(stream);
}
}
return(obj);
}