Compress Text

ID:195067
 
Jun 20 2007, 6:21 pm
 
//Title: Compress Text
//Credit To: Popisfizzy

/*
This compresses a text string by removing leading and trailing
spaces. For example, the string "  a " will become "a", and
"  Hello, how are you?     " becomes "Hello, how are you?"
*/


proc/compress_text(string)
    var/len = length(string)
    var/e, f
    for(var/a = 1, a <= len, a ++)
        if(text2ascii(string, a) != 32)
            if(!e)
                e = a
                a --
            else f = a + 1
    if(!e && !f) return ""
    if(e) return copytext(string, e, f)
    return string

//Testing implimentation

mob/verb/Test(string as text) world << compress_text(string)
Jun 21 2007, 4:11 pm
Interesting. My solution to this problem involved my substring matching algorithms. I would count the number of spaces at the front and end of the string (each stops iterating as soon as it encounters a symbol that doesn't match), then copy the part of the string that excluded those.
Feb 9 2008, 10:12 am (Edited on Feb 9 2008, 1:42 pm)
 
//Title: Compress Text
//Credit To: Popisfizzy

/*
This compresses a text string by removing leading and trailing
spaces. For example, the string "  a " will become "a", and
"  Hello, how are you?     " becomes "Hello, how are you?"
*/

proc/compress_text(string)
    var
        length = length(string)

        start = 1
        end = length - 1
    for(start, text2ascii(string, start) == 10 ||\
    text2ascii(string, start) == 32, start ++)
    for(end, text2ascii(string, end) == 10 ||\
    text2ascii(string, end) == 32, end --)

    return copytext(string, start, end + 1)

//Testing implimentation

mob/verb/Test(string as text) world << compress_text(string)