Re: Replace Str with HTML in Lua Filter

[John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

In Haskell you can use "\5881" but in lua this won't work.
Try "\u{16F9}".



Ken Dow <thekenshow-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> Thanks for the help (Sorry for the long delay - I didn't get notified of 
> your post).
>
> I tried your suggestion and it works perfectly when searching for normal 
> text (e.g., s.text == "Widget") but with s.text == "\8211", Pandoc throws 
> the following error:
>
> decimal escape too large near '"\5881'
>
> Single quotes (.e.g, s.text == '\8211') gives the same error. I tried 
> "\\8211" in case the backslash needs to be escaped; no error but no 
> replacement occurs.
>
> Finally, I tried the utf8.codes approach, referring to Material Icon 
> codepoints doc for the value that should match, like so:
>
> function Str (s)
>   if utf8.codes(s.text) == 'e5c3' then
>     return pandoc.RawInline(
>       'html',
>       '<i class="material-icons">apps</i>'
>     )
>   end
> end 
>
> No error but no replacement. 
>
> On Saturday, 10 August 2019 12:02:40 UTC-4, Albert Krewinkel wrote:
>>
>> Ken Dow writes: 
>>
>> > My DOCX source document, which is being converted to HTML, uses some 
>> Google 
>> > Material fonts. What shows up in the AST are values like 
>> > 
>> > Str "\8211" 
>> > 
>> > I'd like to find and replace those to produce something like the 
>> following 
>> > HTML: 
>> > 
>> > <i class="material-icons">face</i> 
>> > 
>> > Is that possible and if so, how? 
>>
>> The way to go here is via `RawInline` elements, e.g.: 
>>
>>     function Str (s) 
>>       if s.text == '–' then 
>>         return pandoc.RawInline( 
>>           'html', 
>>           '<i class="material-icons">face</i>' 
>>         ) 
>>       end 
>>     end 
>>
>> Note matching on an exact string would fail if the character was 
>> somewhere within a word (a typical would be em-dashes). One would have 
>> to use the [utf8.codes] module to manually find and replace those 
>> characters in that case. 
>>
>> [utf8.codes](https://www.lua.org/manual/5.3/manual.html#pdf-utf8.codes) 
>>
>> -- 
>> Albert Krewinkel 
>> GPG: 8eed e3e2 e8c5 6f18 81fe  e836 388d c0b2 1f63 1124 
>>
>
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