[yunqa.de] Re: New DIUnicode warning
- From: "Jon Burnham" <jba@xxxxxxxxxxxxxx>
- To: <yunqa@xxxxxxxxxxxxx>
- Date: Thu, 3 May 2012 12:08:46 +0100
That's a good idea Ralf, thank you :-)
-----Original Message-----
From: yunqa-bounce@xxxxxxxxxxxxx [mailto:yunqa-bounce@xxxxxxxxxxxxx] On
Behalf Of Delphi Inspiration
Sent: 03 May 2012 12:03
To: yunqa@xxxxxxxxxxxxx
Subject: [yunqa.de] Re: New DIUnicode warning
On 03.05.2012 11:36, Jon Burnham wrote:
> So ... a few quotes from the conversation have me worried. I had
> assumed that as long as the string 'input' was controlled (UTF8), then
> RawByteString would handle it invisibly, but the implication is that
> unless the RawByteString 'itself' is informed of a target codepage,
> this is not guaranteed when it is consequentially read?
TDIUnicodeReader.SetSourceBufferAsStrA uses RawByteString so string
conversion never takes place:
procedure TDIUnicodeReader.SetSourceBufferAsStrA(
const ASourceStr: RawByteString;
const AFileName: UnicodeString = '');
That aside, you can get around the entire string conversion issue if you
read your data via the TStream interface:
property TDIUnicodeReader.SourceStream: TStream
This allows for exact binary representation of the data without string
conversions.
Most Internet components make data available as TStreams, but I don't know
about RTC.
Ralf
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