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Vijilante
SubAdmin
Joined: 18 Nov 2001
Posts: 5182
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 Posted: Sun May 04, 2008 7:49 pm
[2.23] Quote problems with %word (old low priority)
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I remember reporting something about this before and I recall there was a fix made, but the specifics elude me right now. In any case %word gets really messed up when there are double-quotes within the text it is supposed to act upon.
Launch CMud, close Sessions window.
Enter at the command line
| Code: |
| $a=%concat(%char(34),"abc",%char(34),"|"%char(34),"def",%char(34),%char(34));#SHOW $a %word($a,1,"|") %word($a,2,"|") %word($a,1,"d") %word($a,2,"d") |
Displays
| Quote: |
| "abc"|"def"" abc def abc |"def"" |
The first group is what we built and just displays that it was built right. Next we see /abc/, the surrounding quotes have been stripped and that could be understandable. Next is /def/ and all the quotes are gone, if it was just stripping the surrounding quotes then the output should have been /def"/.
Using the /d/ as the word break we should expect the first word to be /"abc"|"/ or perhaps /abc"|/, most definitely not the /abc/ that is displayed. The final item displayed shows that it is not stripping the outer set of quotes, it is completely losing its place when double-quotes are contained in the string.
I haven't found any other functions with this type of problem, which definitely makes it a low priority. |
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Zugg
MASTER
Joined: 25 Sep 2000
Posts: 23379
Location: Colorado, USA
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Posted: Mon May 05, 2008 5:27 pm
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I'll add this to the bug list, but yes, it's a lower priority. Dealing with quotes is a very tricky problem. The %word command is trying to parse quotes so that if your word delimiter is within quotes, it doesn't split on that instance of it (like splitting on a space when you have a phrase within quotes that contains spaces).
In this case I am actually just calling a string routine from a 3rd party string library (the TurboPower Systools library), so I'd have to look at their source code to determine the problem and if it was something I can fix. |
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