WordAdd: Difference between revisions
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[[ | [[Category:String Functions]] |
Revision as of 14:07, 24 June 2005
Author: Instructor (talk, contrib) |
Links
- Latest version of headers "nsh.zip"
- http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost
If a function is used without an header, you should put the function below in your script before calling it.
The Function
/* ______________________________________________________________________________ WordAdd v1.8 (add or delete) ______________________________________________________________________________ WordFind required Add words to string1 from string2 if not exist or delete words if exist. Syntax: ${WordAdd} "[string1]" "[delimiter]" "[E][options]" $var "[string1]" ;[string1] ; string for addition or removing "[delimiter]" ;[delimiter] ; one or several symbols "[E][options]" ;[options] ; +string2 : words to add ; -string2 : words to delete ; ;[E] ; with errorlevel output ; IfErrors: ; $var=1 delimiter is empty ; $var=3 syntax error (use: +text,-text) ;[] ; no errorlevel output (default) ; If some errors found then (result=input string) ; $var ;output (result) Example (add): Section ${WordAdd} "C:\io.sys C:\WINDOWS" " " "+C:\WINDOWS C:\config.sys" $R0 ; $R0="C:\io.sys C:\WINDOWS C:\config.sys" SectionEnd Example (delete): Section ${WordAdd} "C:\io.sys C:\logo.sys C:\WINDOWS" " " "-C:\WINDOWS C:\config.sys C:\IO.SYS" $R0 ; $R0="C:\logo.sys" SectionEnd Example (add to one): Section ${WordAdd} "C:\io.sys" " " "+C:\WINDOWS C:\config.sys C:\IO.SYS" $R0 ; $R0="C:\io.sys C:\WINDOWS C:\config.sys" SectionEnd Example (delete one): Section ${WordAdd} "C:\io.sys C:\logo.sys C:\WINDOWS" " " "-C:\WINDOWS" $R0 ; $R0="C:\io.sys C:\logo.sys" SectionEnd Example (No new words found): Section ${WordAdd} "C:\io.sys C:\logo.sys" " " "+C:\logo.sys" $R0 StrCmp $R0 "C:\io.sys C:\logo.sys" 0 +2 MessageBox MB_OK "No new words found to add" SectionEnd Example (No words deleted): Section ${WordAdd} "C:\io.sys C:\logo.sys" " " "-C:\config.sys" $R0 StrCmp $R0 "C:\io.sys C:\logo.sys" 0 +2 MessageBox MB_OK "No words found to delete" SectionEnd Example (With errorlevel output): Section ${WordAdd} "C:\io.sys C:\logo.sys" "" "E-C:\logo.sys" $R0 ; $R0="1" (delimiter is empty "") IfErrors 0 noerrors MessageBox MB_OK 'Errorlevel=$R0' IDOK end noerrors: MessageBox MB_OK 'No errors' end: SectionEnd*/ ;--------------------------------------------------------------------------- Function WordAdd !define WordAdd `!insertmacro WordAddCall` !macro WordAddCall _STRING1 _DELIMITER _STRING2 _RESULT Push `${_STRING1}` Push `${_DELIMITER}` Push `${_STRING2}` Call WordAdd Pop ${_RESULT} !macroend Exch $1 Exch Exch $0 Exch Exch 2 Exch $R0 Exch 2 Push $2 Push $3 Push $4 Push $5 Push $6 Push $7 Push $R1 ClearErrors StrCpy $7 '' StrCpy $2 $1 1 StrCmp $2 'E' 0 +4 StrCpy $7 E StrCpy $1 $1 '' 1 goto -4 StrCpy $5 0 StrCpy $R1 $R0 StrCpy $2 $1 '' 1 StrCpy $1 $1 1 StrCmp $1 '+' +2 StrCmp $1 '-' 0 error3 StrCmp $0 '' error1 StrCmp $2 '' end StrCmp $R0 '' 0 +5 StrCmp $1 '-' end StrCmp $1 '+' 0 +3 StrCpy $R0 $2 goto end loop: IntOp $5 $5 + 1 Push `$2` Push `$0` Push `E+$5` Call WordFind Pop $3 IfErrors 0 /word StrCmp $3 2 +4 StrCmp $3$5 11 0 +3 StrCpy $3 $2 goto /word StrCmp $1 '-' end preend /word: Push `$R0` Push `$0` Push `E/$3` Call WordFind Pop $4 IfErrors +2 StrCmp $1 '-' delete loop StrCmp $1$4 '-1' +2 StrCmp $1 '-' loop +4 StrCmp $R0 $3 0 loop StrCpy $R0 '' goto end StrCmp $1$4 '+1' 0 +2 StrCmp $R0 $3 loop StrCmp $R0 $R1 +3 StrCpy $R1 '$R1$0$3' goto loop StrLen $6 $0 StrCpy $6 $R0 '' -$6 StrCmp $6 $0 0 -4 StrCpy $R1 '$R1$3' goto loop delete: Push `$R0` Push `$0` Push `E+$4{}` Call WordFind Pop $R0 goto /word error3: StrCpy $R1 3 goto error error1: StrCpy $R1 1 error: StrCmp $7 'E' 0 end SetErrors preend: StrCpy $R0 $R1 end: Pop $R1 Pop $7 Pop $6 Pop $5 Pop $4 Pop $3 Pop $2 Pop $1 Pop $0 Exch $R0 FunctionEnd