mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-28 06:49:43 +00:00
370 lines
11 KiB
Plaintext
370 lines
11 KiB
Plaintext
# This script contains the following functions:
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#
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# - LaTeXCheck (check installed LaTeX-system),
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# (only used by Small and Complete installer), uses:
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# StrPointer
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# StrPoint
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# RevStrPointer
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# RevStrPoint
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#
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# - PATHCheck (checks for a path in a semicolon separated path list like the PATH variable), uses:
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# StrPointer
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# StrPoint
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# RevStrPointer
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# RevStrPoint
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#
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# - un.DelAppPathSub and UnAppPreSuff,
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# (delete the folder ~\Documents and Settings\username\Application Data\LyX for all users), uses:
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# un.GetParentA
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# un.GetUsers
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# un.StrPoint
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# StrPointer
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# StrPoint
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# UnAppPreSuff
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#
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# - FileCheck (checks if a given file exists)
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#
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#--------------------------
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!macro StrPointer FindStr SearchStr Pointer
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# searches for a string/character (SearchStr) in another string (FindStr)
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# and returns the number of the character in the FindStr where the SearchStr was found (Pointer)
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# if nothing was found or the search is impossible the Pointer is set to -1
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StrLen $R2 ${SearchStr}
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StrLen $R4 ${FindStr}
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StrCpy $R5 0
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${if} $R2 == 0
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${orif} $R4 == 0
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Goto NotFound
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${endif}
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IntCmp $R4 $R2 loopA NotFound
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loopA:
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StrCpy $R3 ${FindStr} $R2 $R5
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StrCmp $R3 ${SearchStr} Found
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IntOp $R5 $R5 + 1
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IntCmp $R4 $R5 loopA NotFound
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Goto loopA
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Found:
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StrCpy ${Pointer} $R5
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Goto done
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NotFound:
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StrCpy ${Pointer} "-1"
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done:
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!macroend
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#--------------------------------
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Function StrPoint
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!insertmacro StrPointer $String $Search $Pointer
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FunctionEnd
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#--------------------------------
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!macro RevStrPointer FindStr SearchStr Pointer
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# searches for a string/character (SearchStr) in another string (FindStr) in reverse order
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# and returns the number of the character in the FindStr where the SearchStr was found (Pointer)
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# if nothing was found or the search is impossible the Pointer is set to +1
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StrLen $R2 ${SearchStr}
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StrLen $R4 ${FindStr}
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${if} $R2 == 0
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${orif} $R4 == 0
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Goto NotFound
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${endif}
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IntCmp $R4 $R2 loopA NotFound
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StrCpy $R5 "-$R2"
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loopA:
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StrCpy $R3 ${FindStr} $R2 $R5
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StrCmp $R3 ${SearchStr} Found
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IntOp $R5 $R5 - 1
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IntCmp "$R5" "-$R4" loopA NotFound
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Goto loopA
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Found:
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StrCpy ${Pointer} $R5
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Goto done
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NotFound:
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StrCpy ${Pointer} "+1"
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done:
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!macroend
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#--------------------------------
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Function RevStrPoint
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!insertmacro RevStrPointer $String $Search $Pointer
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FunctionEnd
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#--------------------------------
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!macro AppPreSuff AppPre AppSuff
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# the APPDATA path for a local user has for WinXP and 2000 the following structure:
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# C:\Documents and Settings\username\Application Data
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# for Win Vista the structure is:
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# C:\Users\username\AppData\Roaming
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# this macro saves the "C:\Documents and Settings\" substring into the variable "AppPre"
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# and the "Application Data" substring into the variable "AppSuff"
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# switch temporarily to local user because the all users application data path is in
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# Vista only C:\ProgramData
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SetShellVarContext current
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StrCpy $String "$APPDATA"
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Var /GLOBAL APPDATemp
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StrCpy $APPDATemp "$APPDATA"
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${If} $MultiUser.Privileges == "Admin"
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${OrIf} $MultiUser.Privileges == "Power"
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SetShellVarContext all # move back to all users
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${endif}
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StrCpy $Search "\"
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Call StrPoint # search for the first "\"
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IntOp $Pointer $Pointer + 1 # jump after the "\"
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StrCpy $String $String "" $Pointer # cut off the part before the first "\"
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StrCpy $0 $Pointer
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Call StrPoint # search for the second "\"
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IntOp $0 $0 + $Pointer # $0 is now the pointer to the second "\" in the APPDATA string
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StrCpy ${AppPre} $APPDATemp $0 # save the part before the second "\"
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IntOp $Pointer $Pointer + 1 # jump after the "\"
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StrCpy $String $String "" $Pointer # cut off the part before the second "\"
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Call StrPoint # search for the third "\"
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IntOp $Pointer $Pointer + 1 # jump after the "\"
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StrCpy ${AppSuff} $String "" $Pointer # save the part after the third "\"
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!macroend
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#--------------------------------
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Function un.GetParentA
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# deletes a subfolder of the APPDATA path for all users
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# used by the function "un.getUsers"
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Exch $R0
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Push $R1
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Push $R2
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Push $R3
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StrCpy $R1 0
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StrLen $R2 $R0
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loop:
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IntOp $R1 $R1 + 1
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IntCmp $R1 $R2 get 0 get
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StrCpy $R3 $R0 1 -$R1
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StrCmp $R3 "\" get
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Goto loop
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get:
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StrCpy $R0 $R0 -$R1
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Pop $R3
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Pop $R2
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Pop $R1
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Exch $R0
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FunctionEnd
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#--------------------------------
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Function un.GetUsers
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# reads the subfolders of the "Documents and Settings" folder to get a list of the users
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StrCpy $R3 ""
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Push "$PROFILE"
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Call un.GetParentA
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Pop $R2
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StrCpy $R2 "$R2"
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FindFirst $R0 $R1 "$R2\*"
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StrCmp $R1 "" findend 0
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findloop:
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IfFileExists "$R2\$R1\*.*" 0 notDir
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StrCmp $R1 "." notDir
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StrCmp $R1 ".." notDir
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StrCmp $R1 "All Users" notDir
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StrCmp $R1 "Default User" notDir
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StrCmp $R1 "All Users.WINNT" notDir
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StrCmp $R1 "Default User.WINNT" notDir
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StrCpy $R3 "$R3|$R1"
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notDir:
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FindNext $R0 $R1
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StrCmp $R1 "" findend 0
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Goto findloop
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findend:
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FindClose $R0
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FunctionEnd
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#--------------------------------
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Function un.StrPoint
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!insertmacro StrPointer $String $Search $Pointer
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FunctionEnd
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#--------------------------------
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!macro UnAppPreSuff AppPre AppSuff
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# the APPDATA path for a local user has for WinXP and 2000 the following structure:
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# C:\Documents and Settings\username\Application Data
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# for Win Vista the structure is:
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# C:\Users\username\AppData\Roaming
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# this macro saves the "C:\Documents and Settings\" substring into the variable "AppPre"
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# and the "Application Data" substring into the variable "AppSuff"
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SetShellVarContext current # switch temoprarily to local user
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StrCpy $String "$APPDATA"
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StrCpy $APPDATemp "$APPDATA"
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${if} $MultiUser.Privileges == "Admin"
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${orif} $MultiUser.Privileges == "Power"
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SetShellVarContext all # move back to all users
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${endif}
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StrCpy $Search "\"
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Call un.StrPoint # search for the first "\"
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IntOp $Pointer $Pointer + 1 # jump after the "\"
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StrCpy $String $String "" $Pointer # cut off the part before the first "\"
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StrCpy $0 $Pointer
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Call un.StrPoint # search for the second "\"
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IntOp $0 $0 + $Pointer # $0 is now the pointer to the second "\" in the APPDATA string
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StrCpy ${AppPre} $APPDATemp $0 # save the part before the second "\"
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IntOp $Pointer $Pointer + 1 # jump after the "\"
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StrCpy $String $String "" $Pointer # cut off the part before the second "\"
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Call un.StrPoint # search for the third "\"
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IntOp $Pointer $Pointer + 1 # jump after the "\"
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StrCpy ${AppSuff} $String "" $Pointer # save the part after the third "\"
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!macroend
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#--------------------------------
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Function un.DelAppPathSub
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# deletes a subfolder of the APPDATA path for all users
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# get list of all users
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Push $R0
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Push $R1
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Push $R2
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Push $R3
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Call un.GetUsers
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StrCpy $UserList $R3 "" 1 # cut off the "|" at the end of the list
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Pop $R3
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Pop $R2
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Pop $R1
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Pop $R0
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# the usernames in the list of all users is separated by "|"
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loop:
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StrCpy $String "$UserList"
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StrCpy $Search "|"
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Call un.StrPoint # search for the "|"
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StrCmp $Pointer "-1" ready
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StrCpy $0 $UserList $Pointer # $0 contains now the username
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IntOp $Pointer $Pointer + 1 # jump after the "|"
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StrCpy $UserList $UserList "" $Pointer # cut off the first username in the list
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# generate the string for the current user
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# AppPre and AppSuff are generated in the macro "AppPreSuff"
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RMDir /r "$AppPre\$0\$AppSuff\$AppSubfolder" # delete the folder
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Goto loop
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ready:
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StrCpy $0 $UserList
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RMDir /r "$AppPre\$0\$AppSuff\$AppSubfolder" # delete the folder
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FunctionEnd
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#--------------------------------
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!macro FileCheck Result FileName FilePath
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# checks if a file exists, returns "True" or "False"
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Push $0
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Push $1
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StrCpy $0 ""
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StrCpy $1 ""
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FileOpen $0 "${FilePath}\${FileName}" r
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${if} $0 = ""
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StrCpy $1 "False"
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${Else}
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StrCpy $1 "True"
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${endif}
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FileClose $0
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StrCpy ${Result} $1
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Pop $1
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Pop $0
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!macroend
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#------------------------------------------
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Function LaTeXCheck
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# searches the string "$Search" in the string "$String" and extracts the path around it
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# it is checked if the file "latex.exe" exists in the extracted path
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StartCheck:
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StrLen $3 $String
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Call StrPoint
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${if} $Pointer == "-1" # if nothing was found
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StrCpy $PathLaTeX ""
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Return
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${endif}
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IntOp $3 $3 - $Pointer
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StrCpy $4 $String $3 "-$3" # $4 is now the part behind the $Search string
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StrCpy $String $String $Pointer # $String is now the part before the $Search string
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StrCpy $Search ":" # search for the ":" after the first previous drive letter
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Call RevStrPoint
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IntOp $Pointer $Pointer - 1 # jump before the ":" to the drive letter
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StrCpy $Pointer $Pointer "" 1 # cut of the "-" sign
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StrCpy $PathLaTeX $String $Pointer "-$Pointer"
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StrCpy $String $4
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StrCpy $Search ";" # search for the following ";" that separates the different paths
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Call StrPoint
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${if} $Pointer != "-1" # if something was found
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StrCpy $String $String $Pointer
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${endif}
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StrCpy $PathLaTeX "$PathLaTeX$String"
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# check if the latex.exe exists in the $PathLaTeX folder
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!insertmacro FileCheck $5 "latex.exe" "$PathLaTeX"
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${if} $5 == "False" # delete the entry with the wrong path to the latex.exe and try again
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StrCpy $PathLaTeX ""
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StrLen $3 $String
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StrCpy $String $4 "" $3
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${if} $2 == "TeXLive"
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StrCpy $Search "TeXLive"
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${else}
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StrCpy $Search "miktex"
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${endif}
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Goto StartCheck
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${endif}
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FunctionEnd
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#------------------------------------------
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!macro PATHCheck PathResult FileName
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# searches the string "$Search" in the string "$String" and extracts the path around it
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# it is checked if the given filename exists
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!define ID ${__LINE__}
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StrLen $3 $String
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Call StrPoint
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${if} $Pointer == "-1" # if nothing was found
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StrCpy ${PathResult} "False"
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Goto EndPATHCheck_${ID}
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${endif}
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IntOp $3 $3 - $Pointer
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StrCpy $4 $String $3 "-$3" # $4 is now the part behind the $Search string
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StrCpy $String $String $Pointer # $String is now the part before the $Search string
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StrCpy $Search ":" # search for the ":" after the first previous drive letter
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Call RevStrPoint
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IntOp $Pointer $Pointer - 1 # jump before the ":" to the drive letter
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StrCpy $Pointer $Pointer "" 1 # cut of the "-" sign
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StrCpy ${PathResult} $String $Pointer "-$Pointer"
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StrCpy $String $4
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StrCpy $Search ";" # search for the following ";" that separates the different paths
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Call StrPoint
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${if} $Pointer != "-1" # if something was found
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StrCpy $String $String $Pointer
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${endif}
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StrCpy ${PathResult} "${PathResult}$String"
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# check if the FileName exists in the ${Result} folder
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!insertmacro FileCheck $Tmp ${FileName} ${PathResult}
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${if} $Tmp == "False"
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StrCpy ${PathResult} "False"
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${endif}
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EndPATHCheck_${ID}:
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!undef ID
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!macroend
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