BannerTrimPath: Difference between revisions

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{|align=right
{{PageAuthor|Instructor}}
|<small>Author: [[{{ns:2}}:Instructor|Instructor]] ([[{{ns:3}}:Instructor|talk]], [[{{ns:-1}}:Contributions/Instructor|contrib]])</small>
|}
<br style="clear:both;">
== Links ==
; Latest version of headers "nsh.zip":
: http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost


== The Function ==
{{User:Instructor/Headers/Template}}
<highlight-nsis>/*
 
== Function Description==
 
<highlight-nsis>
____________________________________________________________________________
____________________________________________________________________________


Line 23: Line 20:
"[PathString]"    ;
"[PathString]"    ;
                   ;
                   ;
"[Option]"        ; [Lenght][A|B|C]
"[Option]"        ; [Length][A|B|C|D]
                   ;
                   ;
                   ; Lenght -Maximum string lenght
                   ; Length -Maximum string length
                   ;  A    -Trim center path (default)
                   ;  A    -Trim center path (default)
                   ;          (C:\root\...\third path)  
                   ;          (C:\root\...\third path)  
                   ;          If A mode not possible Then will be used B mode
                   ;          If A mode not possible Then will be used B mode
                  ;          If B mode not possible Then will be used C mode
                   ;  B    -Trim right path
                   ;  B    -Trim right path
                   ;          (C:\root\second path\...)
                   ;          (C:\root\second path\...)
Line 35: Line 31:
                   ;  C    -Trim right string
                   ;  C    -Trim right string
                   ;          (C:\root\second path\third p...)
                   ;          (C:\root\second path\third p...)
                  ;  D    -Trim right string + filename
                  ;          (C:\root\second p...\third path)
                  ;          If D mode not possible Then will be used C mode
                   ;
                   ;
$var              ; Result:  Trimmed path
$var              ; Result:  Trimmed path
</highlight-nsis>




Example:
<b>Example:</b>
Section
<highlight-nsis>Section
${BannerTrimPath} "C:\Server\Documents\Terminal\license.htm" "35A" $R0
${BannerTrimPath} "C:\Server\Documents\Terminal\license.htm" "34A" $R0
;$R0=C:\Server\...\Terminal\licensing.htm
;$R0=C:\Server\...\Terminal\license.htm
SectionEnd
SectionEnd
</highlight-nsis>






Example (Banner plugin):
<b>Example (Banner plugin):</b>
!include "WinMessages.nsh"
<highlight-nsis>!include "WinMessages.nsh"
!include "FileFunc.nsh"
!include "FileFunc.nsh"
!insertmacro Locate
!insertmacro Locate
Line 74: Line 75:
Push $0
Push $0
FunctionEnd
FunctionEnd
</highlight-nsis>




 
<b>Example ([http://nsis.sourceforge.net/wiki/Banner_with_Cancel_button nxs] plugin):</b>
Example (nxs plugin):
<highlight-nsis>!include "FileFunc.nsh"
!include "FileFunc.nsh"
!insertmacro Locate
!insertmacro Locate


Line 107: Line 108:
Push $0
Push $0
FunctionEnd
FunctionEnd
</highlight-nsis>


== Function Code ==


;---------------------------------------------------------------------------
<highlight-nsis>
 
Function BannerTrimPath
Function BannerTrimPath
!define BannerTrimPath `!insertmacro BannerTrimPathCall`
!define BannerTrimPath `!insertmacro BannerTrimPathCall`


!macro BannerTrimPathCall _PATH _LENGHT _RESULT
!macro BannerTrimPathCall _PATH _LENGTH _RESULT
Push `${_PATH}`
Push `${_PATH}`
Push `${_LENGHT}`
Push `${_LENGTH}`
Call BannerTrimPath
Call BannerTrimPath
Pop ${_RESULT}
Pop ${_RESULT}
Line 138: Line 140:
StrCmp $3 'B' B-trim
StrCmp $3 'B' B-trim
StrCmp $3 'C' C-trim
StrCmp $3 'C' C-trim
StrCmp $3 'D' D-trim


A-trim:
A-trim:
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StrCpy $0 $0 $1
StrCpy $0 $0 $1
StrCpy $0 '$0...'
StrCpy $0 '$0...'
goto end
D-trim:
StrCpy $3 -1
IntOp $3 $3 - 1
StrCmp $3 -$2 C-trim
StrCpy $4 $0 1 $3
StrCmp $4 '\' 0 -3
StrCpy $4 $0 '' $3
IntOp $3 $1 + $3
IntCmp $3 2 C-trim C-trim
StrCpy $0 $0 $3
StrCpy $0 '$0...$4'
goto end
goto end


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</highlight-nsis>
</highlight-nsis>


[[{{ns:14}}:Disk, Path & File Functions]]
[[Category:Disk, Path & File Functions]]

Latest revision as of 12:12, 30 November 2005

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

____________________________________________________________________________
 
                            BannerTrimPath
____________________________________________________________________________
 
 
Trim string path for banner.
 
 
Syntax:
${BannerTrimPath} "[PathString]" "[Option]" $var
 
"[PathString]"    ;
                  ;
"[Option]"        ; [Length][A|B|C|D]
                  ;
                  ; Length  -Maximum string length
                  ;   A     -Trim center path (default)
                  ;           (C:\root\...\third path) 
                  ;           If A mode not possible Then will be used B mode
                  ;   B     -Trim right path
                  ;           (C:\root\second path\...)
                  ;           If B mode not possible Then will be used C mode
                  ;   C     -Trim right string
                  ;           (C:\root\second path\third p...)
                  ;   D     -Trim right string + filename
                  ;           (C:\root\second p...\third path)
                  ;           If D mode not possible Then will be used C mode
                  ;
$var              ; Result:  Trimmed path


Example:

Section
	${BannerTrimPath} "C:\Server\Documents\Terminal\license.htm" "34A" $R0
	;$R0=C:\Server\...\Terminal\license.htm
SectionEnd


Example (Banner plugin):

!include "WinMessages.nsh"
!include "FileFunc.nsh"
!insertmacro Locate
 
Section
	Banner::show /NOUNLOAD "Starting..."
	Banner::getWindow /NOUNLOAD
	Pop $R1
	${Locate} "$WINDIR" "/L=F /M=*.* /B=1" "LocateCallback"
	Banner::destroy
SectionEnd
 
Function LocateCallback
	StrCmp $R0 $R8 code
	StrCpy $R0 $R8
	${BannerTrimPath} "$R8" "38B" $R8
	GetDlgItem $1 $R1 1030
	SendMessage $1 ${WM_SETTEXT} 0 "STR:$R8"
 
	code:
	StrCmp $R9 '' end
	;...
 
	end:
	Push $0
FunctionEnd


Example (nxs plugin):

!include "FileFunc.nsh"
!insertmacro Locate
 
Section
	nxs::Show /NOUNLOAD `$(^Name) Setup`\
	  /top `Setup searching something$\nPlease wait$\nIf you can...`\
	  /h 1 /can 1 /end
	${Locate} "$WINDIR" "/L=F /M=*.* /B=1" "LocateCallback"
	nxs::Destroy
SectionEnd
 
Function LocateCallback
	StrCmp $R0 $R8 abortcheck
	StrCpy $R0 $R8
	${BannerTrimPath} "$R8" "55A" $R8
	nxs::Update /NOUNLOAD /sub "$R8" /pos 78 /end
 
	abortcheck:
	nxs::HasUserAborted /NOUNLOAD
	Pop $0
	StrCmp $0 1 0 +2
	StrCpy $0 StopLocate
 
	StrCmp $R9 '' end
	;...
 
	end:
	Push $0
FunctionEnd

Function Code

Function BannerTrimPath
	!define BannerTrimPath `!insertmacro BannerTrimPathCall`
 
	!macro BannerTrimPathCall _PATH _LENGTH _RESULT
		Push `${_PATH}`
		Push `${_LENGTH}`
		Call BannerTrimPath
		Pop ${_RESULT}
	!macroend
 
	Exch $1
	Exch
	Exch $0
	Exch
	Push $2
	Push $3
	Push $4
 
	StrCpy $3 $1 1 -1
	IntOp $1 $1 + 0
	StrLen $2 $0
	IntCmp $2 $1 end end
	IntOp $1 $1 - 3
	IntCmp $1 0 empty empty
	StrCmp $3 'A' A-trim
	StrCmp $3 'B' B-trim
	StrCmp $3 'C' C-trim
	StrCmp $3 'D' D-trim
 
	A-trim:
	StrCpy $3 $0 1 1
	StrCpy $2 0
	StrCmp $3 ':' 0 +2
	IntOp $2 $2 + 2
 
	loopleft:
	IntOp $2 $2 + 1
	StrCpy $3 $0 1 $2
	StrCmp $2 $1 C-trim
	StrCmp $3 '\' 0 loopleft
	StrCpy $3 $0 $2
	IntOp $2 $2 - $1
	IntCmp $2 0 B-trim 0 B-trim
 
	loopright:
	IntOp $2 $2 + 1
	StrCpy $4 $0 1 $2
	StrCmp $2 0 B-trim
	StrCmp $4 '\' 0 loopright
	StrCpy $4 $0 '' $2
	StrCpy $0 '$3\...$4'
	goto end
 
	B-trim:
	StrCpy $2 $1
	IntOp $2 $2 - 1
	StrCmp $2 -1 C-trim
	StrCpy $3 $0 1 $2
	StrCmp $3 '\' 0 -3
	StrCpy $0 $0 $2
	StrCpy $0 '$0\...'
	goto end
 
	C-trim:
	StrCpy $0 $0 $1
	StrCpy $0 '$0...'
	goto end
 
	D-trim:
	StrCpy $3 -1
	IntOp $3 $3 - 1
	StrCmp $3 -$2 C-trim
	StrCpy $4 $0 1 $3
	StrCmp $4 '\' 0 -3
	StrCpy $4 $0 '' $3
	IntOp $3 $1 + $3
	IntCmp $3 2 C-trim C-trim
	StrCpy $0 $0 $3
	StrCpy $0 '$0...$4'
	goto end
 
	empty:
	StrCpy $0 ''
 
	end:
	Pop $4
	Pop $3
	Pop $2
	Pop $1
	Exch $0
FunctionEnd