Difference between revisions of "StringReverse"

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m (<lsl> tag to <source>)
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<div style="float:right;">__TOC__</div>
<div style="float:right;">__TOC__</div>
{{void-box
{{void-box
|title=[[Function]]: [[string]] uStringRev( [[string]] ''vStrSrc'' );
|title=<div id="box" style="display:none"><h2>Summary</h2></div>[[:Category:LSL_User-Defined_Functions|User-Defined Function]]: [[string]] uStringReverse( [[string]] ''vStrSrc'' );
|content=
|content=
Returns a string that is ''vStrSrc'' with the characters in reverse order
Returns a string that is ''vStrSrc'' with the characters in reverse order
* ''vStrSrc'': source string to reverse
* ''vStrSrc'': source string to reverse
}}


{{void-box
 
|title=Code:
'''Smaller Code:'''
|content=
* LSO: 158 bytes
'''Smaller version'''
* LSO: 169 bytes
* MONO: 512 bytes
* MONO: 512 bytes
<lsl>string uStringRev( string vStrSrc ){
<source lang="lsl2">/*//-- Reverse String Order (small version) --//*/
string uStringReverse( string vStrSrc ){
     integer vIntCnt = llStringLength( vStrSrc );
     integer vIntCnt = llStringLength( vStrSrc );
     while (vIntCnt){
     while (vIntCnt){
         vStrSrc += llGetSubString( vStrSrc, (vIntCnt = ~-vIntCnt), vIntCnt );
         vStrSrc = llDeleteSubString( vStrSrc, vIntCnt, vIntCnt ) +
        vStrSrc = llDeleteSubString( vStrSrc, vIntCnt, vIntCnt );
                  llGetSubString( vStrSrc, (vIntCnt = ~-vIntCnt), vIntCnt );
     }
     }
     return vStrSrc;
     return vStrSrc;
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/*//--                      Anti-License Text                        --//*/
/*//--                      Anti-License Text                        --//*/
/*//    Contributed Freely to the Public Domain without limitation.    //*/
/*//    Contributed Freely to the Public Domain without limitation.    //*/
/*//  2009 (CC0) [ http://creativecommons.org/publicdomain/zero/1.0 ]  //*/
/*//  2012 (CC0) [ http://creativecommons.org/publicdomain/zero/1.0 ]  //*/
/*//  Void Singer [ https://wiki.secondlife.com/wiki/User:Void_Singer ]  //*/
/*//  Void Singer [ https://wiki.secondlife.com/wiki/User:Void_Singer ]  //*/
/*//--                                                                --//*/</lsl><!-- Please do not remove license statement -->
/*//--                                                                --//*/</source><!-- Please do not remove license statement -->


'''Faster version'''
'''Faster Code:'''
* LSO: 184 bytes
* LSO: 184 bytes
* MONO: 512 bytes
* MONO: 512 bytes
<lsl>string uStringRev( string vStrSrc ){
<source lang="lsl2">string uStringReverse( string vStrSrc ){
     integer vIntCnt = llStringLength( vStrSrc );
     integer vIntCnt = llStringLength( vStrSrc );
     while (vIntCnt){
     while (vIntCnt){
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/*//  2009 (CC0) [ http://creativecommons.org/publicdomain/zero/1.0 ]  //*/
/*//  2009 (CC0) [ http://creativecommons.org/publicdomain/zero/1.0 ]  //*/
/*//  Void Singer [ https://wiki.secondlife.com/wiki/User:Void_Singer ]  //*/
/*//  Void Singer [ https://wiki.secondlife.com/wiki/User:Void_Singer ]  //*/
/*//--                                                                --//*/</lsl><!-- Please do not remove license statement -->
/*//--                                                                --//*/</source><!-- Please do not remove license statement -->
}}
}}


{{void-box
{{void-box
|title=Caveats:
|title=Caveats
|content=
|content=
* The "Faster" version doubles the string size internally, and is more likely to cause a stack/heap collision(script crash) with large strings and/or limited free memory
* The "Faster" version doubles the string size internally, and is more likely to cause a stack/heap collision(script crash) with large strings and/or limited free memory
}}
}}
[[Category:LSL_User-Defined_Functions]]
[[Category:LSL_User-Defined_Functions]]

Revision as of 15:38, 22 January 2015

User-Defined Function: string uStringReverse( string vStrSrc );

Returns a string that is vStrSrc with the characters in reverse order

  • vStrSrc: source string to reverse


Smaller Code:

  • LSO: 158 bytes
  • MONO: 512 bytes
/*//-- Reverse String Order (small version) --//*/
string uStringReverse( string vStrSrc ){
    integer vIntCnt = llStringLength( vStrSrc );
    while (vIntCnt){
        vStrSrc = llDeleteSubString( vStrSrc, vIntCnt, vIntCnt ) +
                  llGetSubString( vStrSrc, (vIntCnt = ~-vIntCnt), vIntCnt );
    }
    return vStrSrc;
}
/*//--                       Anti-License Text                         --//*/
/*//     Contributed Freely to the Public Domain without limitation.     //*/
/*//   2012 (CC0) [ http://creativecommons.org/publicdomain/zero/1.0 ]   //*/
/*//  Void Singer [ https://wiki.secondlife.com/wiki/User:Void_Singer ]  //*/
/*//--                                                                 --//*/

Faster Code:

  • LSO: 184 bytes
  • MONO: 512 bytes
string uStringReverse( string vStrSrc ){
    integer vIntCnt = llStringLength( vStrSrc );
    while (vIntCnt){
        vStrSrc += llGetSubString( vStrSrc, (vIntCnt = ~-vIntCnt), vIntCnt );
    }
    return llGetSubString( vStrSrc, llStringLength( vStrSrc ) >> 1, 0xFFFFFFFF );
}
/*//--                       Anti-License Text                         --//*/
/*//     Contributed Freely to the Public Domain without limitation.     //*/
/*//   2009 (CC0) [ http://creativecommons.org/publicdomain/zero/1.0 ]   //*/
/*//  Void Singer [ https://wiki.secondlife.com/wiki/User:Void_Singer ]  //*/
/*//--                                                                 --//*/

Caveats

  • The "Faster" version doubles the string size internally, and is more likely to cause a stack/heap collision(script crash) with large strings and/or limited free memory
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