Translating escape sequences

[J. Landman Gay]

The problem with the pseudo code is that there's no clear indication of how 
many characters at the end to preserve. I'm not sure how the libraries deal 
with that.

--
Jacqueline Landman Gay         |     jacque at hyperactivesw.com
HyperActive Software           |     http://www.hyperactivesw.com



On March 15, 2017 2:28:57 AM Richmond Mathewson via use-livecode 
<use-livecode at lists.runrev.com> wrote:

> No; it won't always be 4 characters, here's an admittedly extremely
> obscure ancient Sinhala number;
> 0x111F4.
>
> Of course the chances of encountering whacky characters like that is
> small, but you'll have to make sure you
> can cope with them should they crop up.
>
> If you look at Eduardo Ba\u00f1uls you will have to strip what comes
> after the '\' of the prefix 'u'
> and the suffix 'uls' and then you can cope with whatever is left:
>
> Reasonably pseudo-code following:
>
> set the item delimiter to \
> put what's after the item delimiter into HOLDER
> delete char 1 of HOLDER
> delete the last char of HOLDER
> delete the last char of HOLDER
> delete the last char of HOLDER
> put "0x" & HOLDER into NUNUM
>
> at this point "NUNUM" could be alost any length, but that should not
> matter unduly.
>
> Richmond.
>
> On 3/14/17 11:26 pm, J. Landman Gay via use-livecode wrote:
>> I'm dealing with non-English languages, and JSON data retrieved from a
>> database comes in with unicode escape sequences like this: Eduardo
>> Ba\u00f1uls.
>>
>> I need to translate those. I can do it by replacing the "\u" with "0x"
>> and then using numToCodepoint() to get the UTF16 character. But there
>> could be many of these in the same string, so I'm looking for a
>> one-shot command that might just do them all. I don't think we have one.
>>
>> The alternative is to loop through all the text, getting an offset for
>> each "\u" and then calculating the number of characters after that to
>> use with numToCodepoint(). But will it always be 4 characters in any
>> language?
>>
>> Or is there an easier way?
>>
>
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