Re: New Iteration of cleanASCII

[Bob Sneidar via use-livecode]

I had a condition there I didn't need (there) so I moved it but forgot to 
delete the break. 

Bob S


> On Mar 23, 2017, at 07:23 , Tiemo Hollmann TB via use-livecode 
>  wrote:
> 
> Hi Bob, nice function.
> Just for my interest, what is the function of the leading "break" in the
> switch control structure? It doesn't seem to bother, but any advantage?
> Tiemo


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Re: New Iteration of cleanASCII

[Bob Sneidar via use-livecode]

Probably a typo. 

Bob S


> On Mar 23, 2017, at 07:23 , Tiemo Hollmann TB via use-livecode 
>  wrote:
> 
> Hi Bob, nice function.
> Just for my interest, what is the function of the leading "break" in the
> switch control structure? It doesn't seem to bother, but any advantage?
> Tiemo


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AW: New Iteration of cleanASCII

[Tiemo Hollmann TB via use-livecode]

Hi Bob, nice function.
Just for my interest, what is the function of the leading "break" in the
switch control structure? It doesn't seem to bother, but any advantage?
Tiemo


-Ursprüngliche Nachricht-
Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im Auftrag
von Bob Sneidar via use-livecode
Gesendet: Mittwoch, 22. März 2017 23:21
An: How to use LiveCode <use-livecode@lists.runrev.com>
Cc: Bob Sneidar <bobsnei...@iotecdigital.com>
Betreff: Re: New Iteration of cleanASCII

cleanASCII(pString, pModeList, pCustomChars)

Belay my last. I refactored the whole thing to be much more robust. Pass a
string, a modelist and a custom list. This will act as a simple regex
character filter for any string you pass it. (Great for filtering out
hidden/non-printing characters!) If you only pass it a string and no
arguements, it will return uppercase, lowercase, numbers and spaces. 

The modelist can be any items in
"tabs,newlines,returns,spaces,numbers,lowercase,uppercase,symbols,custom".
If the modelist contains "custom" then pass any other characters you want to
include in pCustomList. 

Modifications welcome, but remember this is just a character by character
filter and NOT a full blown regex replacement. That would put me in the
funny farm for sure. 

Bob S


function cleanASCII pString, pModeList, pCustomChars
   if pModeList is empty then
  put " 0-9a-zA-Z" into tAllowedChars
   end if
   
   repeat for each item pMode in pModeList
  switch
break
 case "tabs" is in pMode
put "\t" after tAllowedChars
break
 case "newlines" is in pMode
put "\n" after tAllowedChars
break
 case "returns" is in pMode
put "\r" after tAllowedChars
break
 case "spaces" is in pMode
put " " after tAllowedChars
break
 case "numbers" is in pMode
put "0-9" after tAllowedChars
break
 case "lowercase" is in pMode
put "a-z" after tAllowedChars
break
 case "uppercase" is in pMode
put "A-Z" after tAllowedChars
break
 case "symbols" is in pMode
put "!#$%&'()*+,./:;<=>?@[\\_`{|}~^-" after tAllowedChars
break
 case pMode is "custom"
put pCustomChars after tAllowedChars
break
  end switch
   end repeat
   
   put "[" & tAllowedChars & "]" into tMatchText
   
   repeat for each character theChar in pString
  if matchtext(theChar, tMatchText) is true then
 put theChar after cleanString
  end if
   end repeat
   
   return cleanString
end cleanASCII

Bob S



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Re: New Iteration of cleanASCII

[Bob Sneidar via use-livecode]

cleanASCII(pString, pModeList, pCustomChars)

Belay my last. I refactored the whole thing to be much more robust. Pass a 
string, a modelist and a custom list. This will act as a simple regex character 
filter for any string you pass it. (Great for filtering out hidden/non-printing 
characters!) If you only pass it a string and no arguements, it will return 
uppercase, lowercase, numbers and spaces. 

The modelist can be any items in 
"tabs,newlines,returns,spaces,numbers,lowercase,uppercase,symbols,custom". If 
the modelist contains "custom" then pass any other characters you want to 
include in pCustomList. 

Modifications welcome, but remember this is just a character by character 
filter and NOT a full blown regex replacement. That would put me in the funny 
farm for sure. 

Bob S


function cleanASCII pString, pModeList, pCustomChars
   if pModeList is empty then
  put " 0-9a-zA-Z" into tAllowedChars
   end if
   
   repeat for each item pMode in pModeList
  switch
break
 case "tabs" is in pMode
put "\t" after tAllowedChars
break
 case "newlines" is in pMode
put "\n" after tAllowedChars
break
 case "returns" is in pMode
put "\r" after tAllowedChars
break
 case "spaces" is in pMode
put " " after tAllowedChars
break
 case "numbers" is in pMode
put "0-9" after tAllowedChars
break
 case "lowercase" is in pMode
put "a-z" after tAllowedChars
break
 case "uppercase" is in pMode
put "A-Z" after tAllowedChars
break
 case "symbols" is in pMode
put "!#$%&'()*+,./:;<=>?@[\\_`{|}~^-" after tAllowedChars
break
 case pMode is "custom"
put pCustomChars after tAllowedChars
break
  end switch
   end repeat
   
   put "[" & tAllowedChars & "]" into tMatchText
   
   repeat for each character theChar in pString
  if matchtext(theChar, tMatchText) is true then
 put theChar after cleanString
  end if
   end repeat
   
   return cleanString
end cleanASCII

Bob S



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Re: New Iteration of cleanASCII

[Dr. Hawkins via use-livecode]

Be sure to use an appropriate video card:

Markham, ON - In a joint announcement today the Nethack Devteam announced a
new version of the popular text based game, version 3.4.1, but the big
announcement came from ATI which announced a new video card, the ATI Radeon
9500 ASC, optimized for ASCII gaming.

. . .

http://www.bbspot.com/News/2003/02/ati_ascii.html


:)
-- 
Dr. Richard E. Hawkins, Esq.
(702) 508-8462
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New Iteration of cleanASCII

[Bob Sneidar via use-livecode]

Hi all. 

A while back I wrote a function that would remove all characters from a string 
except for 0-9, a-z, and A-Z. I have updated it to also include an arguement 
for other allowed characters, and true or false for line breaks and or carriage 
returns. Note the code below. What I need is a list of reserved regex 
characters, like backslash (\) and whatnot. 

Once tuned up it can be added to the Master Library (I think an older version 
may be there already). 

function cleanASCII pString, pAllowedChars, pAllowBreaks
   put "*|\" into lReservedChars
   put pAllowedChars into tCharList
   
   repeat for each char tChar in pAllowedChars
  if tChar is in lReservedChars then replace tChar with "\" & tChar in 
tCharList
   end repeat
   
   if pAllowBreaks is empty then put false into pAllowBreaks
   
   put "[ 0-9A-Za-z]" into tMatchText
   put tCharList after char 2 of tMatchText
   
   if pAllowBreaks then 
  put "\r\n" after char 1 of tMatchText
   end if
   
   repeat for each character  theChar in pString
 /* if theChar is "|" then 
 put theChar after cleanString -- special case for regex reserved char
 next repeat
  end if
  */
  if matchtext(theChar, tMatchText) is true then
 put theChar after cleanString
  end if
   end repeat
   
   return cleanString
end cleanASCII

Bob S



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