GetOptions: Difference between revisions

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{{PageAuthor|Instructor}}
{{PageAuthor|Instructor}}


== Links ==
{{User:Instructor/Headers/Template}}
; Latest version of headers "nsh.zip":
: http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost


If function used without header then put function in script before call it
== Function Description ==


== The Function ==
<highlight-nsis>
<highlight-nsis>/*
____________________________________________________________________________
____________________________________________________________________________


Line 29: Line 26:


Note:
Note:
-Error flag if option not found
-First option symbol it is delimiter
-First option symbol it is delimiter
</highlight-nsis>






Example1:
<b>Example1:</b>
Section
<highlight-nsis>Section
${GetOptions} "/INSTDIR=Temp /SILENT=yes /ADMIN=qwerty" "/ADMIN="  $R0
${GetOptions} "/S /T" "/T"  $R0
;$R0=qwerty
 
IfErrors 0 +2
MessageBox MB_OK "Not found" IDOK +2
MessageBox MB_OK "Found"
SectionEnd
SectionEnd
</highlight-nsis>


Example2:
<b>Example2:</b>
Section
<highlight-nsis>Section
${GetOptions} "-INSTDIR=C:\Program Files\Common Files -SILENT=yes"\
${GetOptions} "-INSTDIR=C:\Program Files\Common Files -SILENT=yes" "-INSTDIR="  $R0
  "-INSTDIR="  $R0
;$R0=C:\Program Files\Common Files
;$R0=C:\Program Files\Common Files
SectionEnd
SectionEnd
</highlight-nsis>


Example3:
<b>Example3:</b>
Section
<highlight-nsis>Section
${GetOptions} '/INSTDIR="C:/Program Files/Common Files" /ADMIN=qwerty'\
${GetOptions} '/SILENT=yes /INSTDIR="C:/Program Files/Common Files" /ADMIN=password' "/INSTDIR="  $R0
  "/INSTDIR="  $R0
;$R0=C:/Program Files/Common Files
;$R0=C:/Program Files/Common Files
SectionEnd
SectionEnd
</highlight-nsis>


Example4:
<b>Example4:</b>
Section
<highlight-nsis>Section
${GetOptions} `-SILENT=yes -INSTDIR='"C:/Program Files/Common Files"'`\
${GetOptions} `-SILENT=yes -INSTDIR='"C:/Program Files/Common Files"' -ADMIN=password` "-INSTDIR="  $R0
  "-INSTDIR="  $R0
;$R0="C:/Program Files/Common Files"
;$R0="C:/Program Files/Common Files"
SectionEnd*/
SectionEnd
</highlight-nsis>


== Function Code ==


;---------------------------------------------------------------------------
<highlight-nsis>
 
Function GetOptions
Function GetOptions
!define GetOptions `!insertmacro GetOptionsCall`
!define GetOptions `!insertmacro GetOptionsCall`
Line 81: Line 84:
Push $4
Push $4
Push $5
Push $5
Push $6
Push $7
ClearErrors


StrCpy $2 $1 '' 1
StrCpy $2 $1 '' 1
StrCpy $1 $1 1
StrCpy $1 $1 1
StrLen $3 '$1$2'
StrLen $3 $2
StrCpy $7 0
 
begin:
StrCpy $4 -1
StrCpy $4 -1
StrCpy $6 ''
quote:
IntOp $4 $4 + 1
StrCpy $5 $0 1 $4
StrCmp $5$7 '0' notfound
StrCmp $5 '' trimright
StrCmp $5 '"' 0 +7
StrCmp $6 '' 0 +3
StrCpy $6 '"'
goto quote
StrCmp $6 '"' 0 +3
StrCpy $6 ''
goto quote
StrCmp $5 `'` 0 +7
StrCmp $6 `` 0 +3
StrCpy $6 `'`
goto quote
StrCmp $6 `'` 0 +3
StrCpy $6 ``
goto quote
StrCmp $5 '`' 0 +7
StrCmp $6 '' 0 +3
StrCpy $6 '`'
goto quote
StrCmp $6 '`' 0 +3
StrCpy $6 ''
goto quote
StrCmp $6 '"' quote
StrCmp $6 `'` quote
StrCmp $6 '`' quote
StrCmp $5 $1 0 quote
StrCmp $7 0 trimleft trimright


trimleft:
trimleft:
Line 91: Line 133:
StrCpy $5 $0 $3 $4
StrCpy $5 $0 $3 $4
StrCmp $5 '' notfound
StrCmp $5 '' notfound
StrCmp $5 '$1$2' 0 trimleft
StrCmp $5 $2 0 quote
IntOp $4 $4 + $3
IntOp $4 $4 + $3
StrCpy $0 $0 '' $4
StrCpy $0 $0 '' $4
Line 98: Line 140:
StrCpy $0 $0 '' 1
StrCpy $0 $0 '' 1
goto -3
goto -3
 
StrCpy $7 1
StrCpy $3 ''
goto begin
StrCpy $4 -1


trimright:
trimright:
IntOp $4 $4 + 1
StrCpy $5 $0 1 $4
StrCmp $5 '' found
StrCmp $5 '"' 0 +7
StrCmp $3 '' 0 +3
StrCpy $3 '"'
goto trimright
StrCmp $3 '"' 0 +3
StrCpy $3 ''
goto trimright
StrCmp $5 `'` 0 +7
StrCmp $3 `` 0 +3
StrCpy $3 `'`
goto trimright
StrCmp $3 `'` 0 +3
StrCpy $3 ``
goto trimright
StrCmp $5 '`' 0 +7
StrCmp $3 '' 0 +3
StrCpy $3 '`'
goto trimright
StrCmp $3 '`' 0 +3
StrCpy $3 ''
goto trimright
StrCmp $3 '"' trimright
StrCmp $3 `'` trimright
StrCmp $3 '`' trimright
StrCmp $5 $1 0 trimright
found:
StrCpy $0 $0 $4
StrCpy $0 $0 $4
StrCpy $4 $0 1 -1
StrCpy $4 $0 1 -1
Line 148: Line 159:


notfound:
notfound:
SetErrors
StrCpy $0 ''
StrCpy $0 ''


end:
end:
Pop $7
Pop $6
Pop $5
Pop $5
Pop $4
Pop $4
Line 160: Line 174:
</highlight-nsis>
</highlight-nsis>


[[Category:Disk, Path & File Functions]]
[[Category:Command Line Functions]]

Latest revision as of 07:26, 7 February 2006

Author: Instructor (talk, contrib)


Page for NSIS 2.07 and below users

You can use the latest version of headers (recommended) or the following function code (put the function code in your script before calling it)

Function Description

____________________________________________________________________________
 
                            GetOptions
____________________________________________________________________________
 
 
Get options from command line parameters.
 
 
Syntax:
${GetOptions} "[Parameters]" "[Option]" $var
 
"[Parameters]"     ; command line parameters
                   ;
"[Option]"         ; option name
                   ;
$var               ; Result: option string
 
 
Note:
-Error flag if option not found
-First option symbol it is delimiter


Example1: 

Section
	${GetOptions} "/S /T" "/T"  $R0
 
	IfErrors 0 +2
	MessageBox MB_OK "Not found" IDOK +2
	MessageBox MB_OK "Found"
SectionEnd

Example2: 

Section
	${GetOptions} "-INSTDIR=C:\Program Files\Common Files -SILENT=yes" "-INSTDIR="  $R0
	;$R0=C:\Program Files\Common Files
SectionEnd

Example3: 

Section
	${GetOptions} '/SILENT=yes /INSTDIR="C:/Program Files/Common Files" /ADMIN=password' "/INSTDIR="  $R0
	;$R0=C:/Program Files/Common Files
SectionEnd

Example4: 

Section
	${GetOptions} `-SILENT=yes -INSTDIR='"C:/Program Files/Common Files"' -ADMIN=password` "-INSTDIR="  $R0
	;$R0="C:/Program Files/Common Files"
SectionEnd

Function Code

Function GetOptions
	!define GetOptions `!insertmacro GetOptionsCall`
 
	!macro GetOptionsCall _PARAMETERS _OPTION _RESULT
		Push `${_PARAMETERS}`
		Push `${_OPTION}`
		Call GetOptions
		Pop ${_RESULT}
	!macroend
 
	Exch $1
	Exch
	Exch $0
	Exch
	Push $2
	Push $3
	Push $4
	Push $5
	Push $6
	Push $7
	ClearErrors
 
	StrCpy $2 $1 '' 1
	StrCpy $1 $1 1
	StrLen $3 $2
	StrCpy $7 0
 
	begin:
	StrCpy $4 -1
	StrCpy $6 ''
 
	quote:
	IntOp $4 $4 + 1
	StrCpy $5 $0 1 $4
	StrCmp $5$7 '0' notfound
	StrCmp $5 '' trimright
	StrCmp $5 '"' 0 +7
	StrCmp $6 '' 0 +3
	StrCpy $6 '"'
	goto quote
	StrCmp $6 '"' 0 +3
	StrCpy $6 ''
	goto quote
	StrCmp $5 `'` 0 +7
	StrCmp $6 `` 0 +3
	StrCpy $6 `'`
	goto quote
	StrCmp $6 `'` 0 +3
	StrCpy $6 ``
	goto quote
	StrCmp $5 '`' 0 +7
	StrCmp $6 '' 0 +3
	StrCpy $6 '`'
	goto quote
	StrCmp $6 '`' 0 +3
	StrCpy $6 ''
	goto quote
	StrCmp $6 '"' quote
	StrCmp $6 `'` quote
	StrCmp $6 '`' quote
	StrCmp $5 $1 0 quote
	StrCmp $7 0 trimleft trimright
 
	trimleft:
	IntOp $4 $4 + 1
	StrCpy $5 $0 $3 $4
	StrCmp $5 '' notfound
	StrCmp $5 $2 0 quote
	IntOp $4 $4 + $3
	StrCpy $0 $0 '' $4
	StrCpy $4 $0 1
	StrCmp $4 ' ' 0 +3
	StrCpy $0 $0 '' 1
	goto -3
	StrCpy $7 1
	goto begin
 
	trimright:
	StrCpy $0 $0 $4
	StrCpy $4 $0 1 -1
	StrCmp $4 ' ' 0 +3
	StrCpy $0 $0 -1
	goto -3
	StrCpy $3 $0 1
	StrCpy $4 $0 1 -1
	StrCmp $3 $4 0 end
	StrCmp $3 '"' +3
	StrCmp $3 `'` +2
	StrCmp $3 '`' 0 end
	StrCpy $0 $0 -1 1
	goto end
 
	notfound:
	SetErrors
	StrCpy $0 ''
 
	end:
	Pop $7
	Pop $6
	Pop $5
	Pop $4
	Pop $3
	Pop $2
	Pop $1
	Exch $0
FunctionEnd
Retrieved from "https://nsis.sourceforge.io/mediawiki/index.php?title=GetOptions&oldid=9533"