Lloigor at 03:08, 22 October 2011

2011-10-22T03:08:45Z

â† Older revision		Revision as of 03:08, 22 October 2011
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	{{PageAuthor\|Lloigor}}		{{PageAuthor\|Lloigor}}
			== Description ==
			Reverse a string.

			== Usage ==
			<highlight-nsis>${StrRev} $StrVar "String" ;; $StrVar="gnirtS"</highlight-nsis>

			== Function ==
	<highlight-nsis>;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;		<highlight-nsis>;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	;; Reverse a string		;; Reverse a string
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	FunctionEnd</highlight-nsis>		FunctionEnd</highlight-nsis>

	~~Example:~~
	~~<highlight-nsis>StrCpy $1 "1234567"~~
	~~${StrRev} $1 $1~~
	~~MessageBox MB_OK "$1" ;; "7654321"</highlight-nsis>~~

	[[Category:String Functions]]		[[Category:String Functions]]

Lloigor: Reverse a string

2011-10-21T19:39:00Z

Reverse a string

New page

{{PageAuthor|Lloigor}}
<highlight-nsis>;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Reverse a string
;; P1 :o: Reversed string
;; P2 :i: Original string
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
!define StrRev "!insertmacro _StrRev"
!macro _StrRev _REV_ _STR_
Push "${_STR_}"
Call StrRev
Pop ${_REV_}
!macroend

Function StrRev
Exch $1 ;; Orig string
Push $0 ;; Reversed string
Exch
Push $2 ;; String Len / Counter
Push $3 ;; Current character

StrCpy $0 ""
StrLen $2 "$1"

IntCmp $2 0 +5
IntOp $2 $2 - 1
StrCpy $3 "$1" 1 $2
StrCpy $0 "$0$3"
Goto -4

Pop $3
Pop $2
Pop $1
Exch $0
FunctionEnd</highlight-nsis>

Example:
<highlight-nsis>StrCpy $1 "1234567"
${StrRev} $1 $1
MessageBox MB_OK "$1" ;; "7654321"</highlight-nsis>

[[Category:String Functions]]

StrRev - Revision history

Lloigor at 03:08, 22 October 2011

Lloigor: Reverse a string