GetOptions: Difference between revisions
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[[ | [[Category:Disk, Path & File Functions]] | ||
Revision as of 12:16, 24 June 2005
| Author: Instructor (talk, contrib) |
Links
- 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
The Function
/* ____________________________________________________________________________ GetOptions ____________________________________________________________________________ Get options from command line parameters. Syntax: ${GetOptions} "[Parameters]" "[Option]" $var "[Parameters]" ; command line parameters ; "[Option]" ; option name ; $var ; Result: option string Note: -First option symbol it is delimiter Example1: Section ${GetOptions} "/INSTDIR=Temp /SILENT=yes /ADMIN=qwerty" "/ADMIN=" $R0 ;$R0=qwerty SectionEnd Example2: Section ${GetOptions} "-INSTDIR=C:\Program Files\Common Files -SILENT=yes"\ "-INSTDIR=" $R0 ;$R0=C:\Program Files\Common Files SectionEnd Example3: Section ${GetOptions} '/INSTDIR="C:/Program Files/Common Files" /ADMIN=qwerty'\ "/INSTDIR=" $R0 ;$R0=C:/Program Files/Common Files SectionEnd Example4: Section ${GetOptions} `-SILENT=yes -INSTDIR='"C:/Program Files/Common Files"'`\ "-INSTDIR=" $R0 ;$R0="C:/Program Files/Common Files" SectionEnd*/ ;--------------------------------------------------------------------------- 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 StrCpy $2 $1 '' 1 StrCpy $1 $1 1 StrLen $3 '$1$2' StrCpy $4 -1 trimleft: IntOp $4 $4 + 1 StrCpy $5 $0 $3 $4 StrCmp $5 '' notfound StrCmp $5 '$1$2' 0 trimleft IntOp $4 $4 + $3 StrCpy $0 $0 '' $4 StrCpy $4 $0 1 StrCmp $4 ' ' 0 +3 StrCpy $0 $0 '' 1 goto -3 StrCpy $3 '' StrCpy $4 -1 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 $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: StrCpy $0 '' end: Pop $5 Pop $4 Pop $3 Pop $2 Pop $1 Exch $0 FunctionEnd
