REG MULTI SZ Editor

Author: KiCHiK (talk, contrib)

This header file makes it easier to edit, replace or add single strings in a REG_MULTI_SZ value without any size limitations or the need to operate on all of the strings at once.

Download

RegMultiSzEditor.zip (22 KB)

Advantages

• Doesn't require any plugins
• Supports values longer than 1024 characters
• Supports strings longer than 1024 characters as part of an even longer value
• Provides editing functionality per string
• Shared code for both Unicode and ANSI installers
• Has unit tests

Caveats

• Not very fast

Examples

Append

!include RegMultiSzEditor.nsh
 
Function keep
 
  ${EditRegMultiSZ_Keep}
 
FunctionEnd
 
Function append
 
  ${EditRegMultiSZ_Add} "something that goes last"
 
FunctionEnd
 
Section test
 
  !insertmacro EditRegMultiSZ ${HKEY_LOCAL_MACHINE} Software\NSIS\test multi "" keep append
 
SectionEnd

Prepend

!include RegMultiSzEditor.nsh
 
Function prepend
 
  ${EditRegMultiSZ_Add} "something that goes first"
 
FunctionEnd
 
Function keep
 
  ${EditRegMultiSZ_Keep}
 
FunctionEnd
 
Section test
 
  !insertmacro EditRegMultiSZ ${HKEY_LOCAL_MACHINE} Software\NSIS\test multi prepend keep ""
 
SectionEnd

Replace

!include LogicLib.nsh
!include RegMultiSzEditor.nsh
 
Function replace
 
  ${If} $rSTR == "something to replace"
    ${EditRegMultiSZ_Add} "replacement"
  ${Else}
    ${EditRegMultiSZ_Keep}
  ${EndIf}
 
FunctionEnd
 
Section test
 
  !insertmacro EditRegMultiSZ ${HKEY_LOCAL_MACHINE} Software\NSIS\test multi "" replace ""
 
SectionEnd