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/*
_____________________________________________________________________________
File Association
_____________________________________________________________________________
Based on code taken from http://nsis.sourceforge.net/File_Association
Usage in script:
1. !include "FileAssociation.nsh"
2. [Section|Function]
${FileAssociationFunction} "Param1" "Param2" "..." $var
[SectionEnd|FunctionEnd]
FileAssociationFunction=[RegisterExtension|UnRegisterExtension]
_____________________________________________________________________________
${RegisterExtension} "[executable]" "[extension]" "[description]"
"[executable]" ; executable which opens the file format
;
"[extension]" ; extension, which represents the file format to open
;
"[description]" ; description for the extension. This will be display in Windows Explorer.
;
${UnRegisterExtension} "[extension]" "[description]"
"[extension]" ; extension, which represents the file format to open
;
"[description]" ; description for the extension. This will be display in Windows Explorer.
;
_____________________________________________________________________________
Macros
_____________________________________________________________________________
Change log window verbosity (default: 3=no script)
Example:
!include "FileAssociation.nsh"
!insertmacro RegisterExtension
${FileAssociation_VERBOSE} 4 # all verbosity
!insertmacro UnRegisterExtension
${FileAssociation_VERBOSE} 3 # no script
*/
!ifndef FileAssociation_INCLUDED
!define FileAssociation_INCLUDED
!include Util.nsh
!verbose push
!verbose 3
!ifndef _FileAssociation_VERBOSE
!define _FileAssociation_VERBOSE 3
!endif
!verbose ${_FileAssociation_VERBOSE}
!define FileAssociation_VERBOSE `!insertmacro FileAssociation_VERBOSE`
!verbose pop
!macro FileAssociation_VERBOSE _VERBOSE
!verbose push
!verbose 3
!undef _FileAssociation_VERBOSE
!define _FileAssociation_VERBOSE ${_VERBOSE}
!verbose pop
!macroend
!macro RegisterExtensionCall _EXECUTABLE _EXTENSION _DESCRIPTION
!verbose push
!verbose ${_FileAssociation_VERBOSE}
Push `${_DESCRIPTION}`
Push `${_EXTENSION}`
Push `${_EXECUTABLE}`
${CallArtificialFunction} RegisterExtension_
!verbose pop
!macroend
!macro UnRegisterExtensionCall _EXTENSION _DESCRIPTION
!verbose push
!verbose ${_FileAssociation_VERBOSE}
Push `${_EXTENSION}`
Push `${_DESCRIPTION}`
${CallArtificialFunction} UnRegisterExtension_
!verbose pop
!macroend
!define RegisterExtension `!insertmacro RegisterExtensionCall`
!define un.RegisterExtension `!insertmacro RegisterExtensionCall`
!macro RegisterExtension
!macroend
!macro un.RegisterExtension
!macroend
!macro RegisterExtension_
!verbose push
!verbose ${_FileAssociation_VERBOSE}
Exch $R2 ;exe
Exch
Exch $R1 ;ext
Exch
Exch 2
Exch $R0 ;desc
Exch 2
Push $0
Push $1
ReadRegStr $1 HKCR $R1 "" ; read current file association
StrCmp "$1" "" NoBackup ; is it empty
StrCmp "$1" "$R0" NoBackup ; is it our own
WriteRegStr HKCR $R1 "backup_val" "$1" ; backup current value
NoBackup:
WriteRegStr HKCR $R1 "" "$R0" ; set our file association
ReadRegStr $0 HKCR $R0 ""
StrCmp $0 "" 0 Skip
WriteRegStr HKCR "$R0" "" "$R0"
WriteRegStr HKCR "$R0\shell" "" "open"
Skip:
WriteRegStr HKCR "$R0\shell\open\command" "" '"$R2" "%1"'
WriteRegStr HKCR "$R0\shell\edit" "" "Edit $R0"
WriteRegStr HKCR "$R0\shell\edit\command" "" '"$R2" "%1"'
Pop $1
Pop $0
Pop $R2
Pop $R1
Pop $R0
!verbose pop
!macroend
!define UnRegisterExtension `!insertmacro UnRegisterExtensionCall`
!define un.UnRegisterExtension `!insertmacro UnRegisterExtensionCall`
!macro UnRegisterExtension
!macroend
!macro un.UnRegisterExtension
!macroend
!macro UnRegisterExtension_
!verbose push
!verbose ${_FileAssociation_VERBOSE}
Exch $R1 ;desc
Exch
Exch $R0 ;ext
Exch
Push $0
Push $1
ReadRegStr $1 HKCR $R0 ""
StrCmp $1 $R1 0 NoOwn ; only do this if we own it
ReadRegStr $1 HKCR $R0 "backup_val"
StrCmp $1 "" 0 Restore ; if backup="" then delete the whole key
DeleteRegKey HKCR $R0
Goto NoOwn
Restore:
WriteRegStr HKCR $R0 "" $1
DeleteRegValue HKCR $R0 "backup_val"
DeleteRegKey HKCR $R1 ;Delete key with association name settings
NoOwn:
Pop $1
Pop $0
Pop $R1
Pop $R0
!verbose pop
!macroend
!endif # !FileAssociation_INCLUDED
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