GetOptions: Difference between revisions
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{{PageAuthor|Instructor}} | {{PageAuthor|Instructor}} | ||
{{User:Instructor/Headers/Template}} | |||
== Function Description == | |||
<highlight-nsis> | <highlight-nsis> | ||
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Note: | Note: | ||
-Error flag if option not found | |||
-First option symbol it is delimiter | -First option symbol it is delimiter | ||
</highlight-nsis> | </highlight-nsis> | ||
| Line 38: | Line 34: | ||
<b>Example1:</b> | <b>Example1:</b> | ||
<highlight-nsis>Section | <highlight-nsis>Section | ||
${GetOptions} "/ | ${GetOptions} "/S /T" "/T" $R0 | ||
IfErrors 0 +2 | |||
MessageBox MB_OK "Not found" IDOK +2 | |||
MessageBox MB_OK "Found" | |||
SectionEnd | SectionEnd | ||
</highlight-nsis> | </highlight-nsis> | ||
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</highlight-nsis> | </highlight-nsis> | ||
== | == Function Code == | ||
<highlight-nsis> | <highlight-nsis> | ||
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Push $6 | Push $6 | ||
Push $7 | Push $7 | ||
ClearErrors | |||
StrCpy $2 $1 '' 1 | StrCpy $2 $1 '' 1 | ||
| Line 159: | Line 159: | ||
notfound: | notfound: | ||
SetErrors | |||
StrCpy $0 '' | StrCpy $0 '' | ||
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
