Re: How Encoding decoding utf-16 html charset entity

2016-04-04 18:35 GMT+03:00 Ni Va <nivaemail@gmail.com>:
> Hi,
>
> I've got some CDATA sections in html source and want to pass easily from utf-16 characters to ascii chars and opposite operation.
>
> I'am currently using a dict to make needed substitutions. Is it possible to avoid this king of func passing by some others predefined commands ?
>
>
> fun! TestFunc2() "{{{
> "
> " 02 Convert Code
> "
>
> let mydict={'&quot;':'"', '&apos;':"'", '&lt;':'<', '&gt;':'>',
> '&#xD;':'\r', '&#xA;':'\n', '&amp;':'&' }
>
> let item=""
> for item in keys(mydict)

This code looks like it is going to replace `&quot;amp;` with `&` or
something like this (depends on the order of keys in the hash table
which is not guaranteed to be fixed (though not like in Python >=3.3
where it is intentionally random unless you turn this functionality
off: currently you will have the same order that depends purely on key
values and an order of insertion)). You must construct a single regexp
out of the keys to do substitute in one go. For `&#x…;` you may use \=
and str2nr() to turn entity into a character, for others dictionary is
the only sane choice. Probably better write this as two functions or
you will have rather lengthy expression in \= if you add special
handling for &#x…;.

I do not know any way to do this without helper functions. But AFAIR
there is some plugin which has this function written for you, I do not
use it though and have not saved reference to it anywhere.

> exe "silent! %s/".item.'/\=get(mydict, submatch(0), submatch(0))/g'
> endfor
>
> set ft=vb
> norm 1G
>
> endfunction "}}}
>
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