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StrRep.nsh
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StrRep.nsh
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!define StrRep "!insertmacro StrRep"
!macro StrRep output string old new
Push `${string}`
Push `${old}`
Push `${new}`
!ifdef __UNINSTALL__
Call un.StrRep
!else
Call StrRep
!endif
Pop ${output}
!macroend
!macro Func_StrRep un
Function ${un}StrRep
Exch $R2 ;new
Exch 1
Exch $R1 ;old
Exch 2
Exch $R0 ;string
Push $R3
Push $R4
Push $R5
Push $R6
Push $R7
Push $R8
Push $R9
StrCpy $R3 0
StrLen $R4 $R1
StrLen $R6 $R0
StrLen $R9 $R2
loop:
StrCpy $R5 $R0 $R4 $R3
StrCmp $R5 $R1 found
StrCmp $R3 $R6 done
IntOp $R3 $R3 + 1 ;move offset by 1 to check the next character
Goto loop
found:
StrCpy $R5 $R0 $R3
IntOp $R8 $R3 + $R4
StrCpy $R7 $R0 "" $R8
StrCpy $R0 $R5$R2$R7
StrLen $R6 $R0
IntOp $R3 $R3 + $R9 ;move offset by length of the replacement string
Goto loop
done:
Pop $R9
Pop $R8
Pop $R7
Pop $R6
Pop $R5
Pop $R4
Pop $R3
Push $R0
Push $R1
Pop $R0
Pop $R1
Pop $R0
Pop $R2
Exch $R1
FunctionEnd
!macroend
!insertmacro Func_StrRep ""
!insertmacro Func_StrRep "un."