Am 30.07.2017 08:07 schrieb "Bo Berglund" <bo.bergl...@gmail.com>: > > On Fri, 28 Jul 2017 16:35:05 +0200, Michael Schnell > <mschn...@lumino.de> wrote: > > >On 25.07.2017 10:54, Bo Berglund wrote: > >> so I need to write efficient replacements for certain string functions (Delete, Insert, Copy etc). > >Why do you think the string function (if using strictly just a single > >UTF-8 or RawByte branded String type) are not efficient ? > > > >If all string encoding brands in an operation are the same there will be > >no conversion. > > Sorry, > I was not clear in my question... > > What I meant to say is that I need to convert an existing application > that uses strings (AnsiString) as binary data buffers to instead use > TBytes buffers. Thus my quest is for functions operating like the > convenient string functions but on TBytes arrays. > > All of this is because I have found that using AnsiString is > triggering data changes when the application is running in certain > countries (locales) and processing certain data values... > > The application was started back in Delphi7 times when "string" > actually meant AnsiString and was a 1-byte per element container.
You could always use RawByteString or a string with a fixed codepage instead if plain AnsiString. Just declare a type alias so that you can keep it compatible with older Delphi versions as well. Regards, Sven
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