Good morning Clinton,
I am wondering if there is any documentation available that describes
the full functionality of each of the system functions available in
Unicon/Icon.
for example we find the following explanation in the Programming with
Unicon Book:
*center(s, i:1, s:” ”) : string*
center string
center(s1,i,s2) produces a string of i characters. If i > *s1 then s1 is
padded equally on the
left and right with s2 to length i. If i < *s1 then the center i
characters of s1 are produced.
However, this explanation does not give the detailed result that will be
obtained when the length of s1 is odd and when it is even. Neither does
it give the detailed results when the length of s2 is greater than 1.
I am in the process of converting my UFT8 code to a class based format.
I am creating the UFT8 equivalents for each of the system defined string
functions. These will be able to be used in string scanning where the
&subject is an UFT8 string.
If there is detailed documentation already done, I will use that as
comments within the code. As well as use it to verify the results
obtained from the UFT8 methods.
If there is not, I will create a supplementary document that gives the
full details and will base it on the comments I place in the UFT8 class
file.
I should note here that the class structure and usage that I am using
for this has some similarities to what may be seen in Python and
Javascript (sort of). I have been slowly converting a number of code
bases currently available in both of these languages to Unicon/Icon. As
a result, I have created a couple of analogues in Unicon for some of the
"features" found in the code bases.
Hence, the documentation for the UFT8 class will have additional details
on how it is designed to work in conjunction with these additional
parent classes. I'll release as soon as I have completed the current
class development.
regards
Bruce Rennie
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