Re: XMLAda & unicode symbols

["Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>]

On 2021-06-20 19:58, 196...@googlemail.com wrote:
> On Sunday, 20 June 2021 at 18:23:35 UTC+1, Dmitry A. Kazakov wrote:
>> On 2021-06-20 19:02, 196...@googlemail.com wrote:
>>> On Saturday, 19 June 2021 at 20:53:49 UTC+1, Jeffrey R. Carter wrote:
>>>> On 6/19/21 8:28 PM, 196...@googlemail.com wrote:
>>>>> I'm creating SVG files with XMLAda and I need to have a degree symbol within some text.
>>>>>
>>>>> I have:
>>>>> procedure Add_Min_Max (Min_Max_Str : String; X_Pos : String; Y_Pos : String) is
>>>> The degree symbol is part of Latin-1, so why not include it directly in your string?
>>>>
>>>> S : constant String := "50" & Ada.Characters.Handling.Latin_1.Degree_Sign;
>>>
>>> Unfortunately, when XMLAda comes to exporting the DOM tree, it crashed with:
>>> raised UNICODE.CES.INVALID_ENCODING : unicode-ces-utf8.adb:258
>> Maybe it expects UTF-8, as most third party Ada libraries do. In that
>> case use:
>>
>> Character'Val (16#C2#) & Character'Val (16#B0#)
> 
> That's the degree symbol, what I really need is the degree centigrade symbol which is U+2103.
> 
> Having Character'Val (16#21#) & Character'Val (16#03#) fails at runtime.
> 
> I'm sure it's easy enough, and when I get it, I'll be banging my head against the desk.

Why do you use XMLAda? SVG is a text file, I would write directly. It is 
the reverse, rendering SVG image, that is difficult to write from scratch.

And why do you want to create SVG files?

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de