Files
CorsixTH/WindowsInstaller/StrRep.nsh
2013-01-22 04:55:25 +00:00

66 lines
2.4 KiB
NSIS

; This software is provided 'as-is', without any express or implied warranty.
; In no event will the authors be held liable for any damages arising from the
; use of this software.
; Permission is granted to anyone to use this software for any purpose,
; including commercial applications, and to alter it and redistribute it freely,
; subject to the following restrictions:
; 1. The origin of this software must not be misrepresented; you must not claim
; that you wrote the original software. If you use this software in a product,
; an acknowledgment in the product documentation would be appreciated but is not
; required.
; 2. Altered source versions must be plainly marked as such, and must not be
; misrepresented as being the original software.
; 3. This notice may not be removed or altered from any source distribution.
; Replaces all ocurrences of a given needle within a haystack with another string
; Written by dandaman32
Var STR_REPLACE_VAR_0
Var STR_REPLACE_VAR_1
Var STR_REPLACE_VAR_2
Var STR_REPLACE_VAR_3
Var STR_REPLACE_VAR_4
Var STR_REPLACE_VAR_5
Var STR_REPLACE_VAR_6
Var STR_REPLACE_VAR_7
Var STR_REPLACE_VAR_8
Function StrReplace
Exch $STR_REPLACE_VAR_2
Exch 1
Exch $STR_REPLACE_VAR_1
Exch 2
Exch $STR_REPLACE_VAR_0
StrCpy $STR_REPLACE_VAR_3 -1
StrLen $STR_REPLACE_VAR_4 $STR_REPLACE_VAR_1
StrLen $STR_REPLACE_VAR_6 $STR_REPLACE_VAR_0
loop:
IntOp $STR_REPLACE_VAR_3 $STR_REPLACE_VAR_3 + 1
StrCpy $STR_REPLACE_VAR_5 $STR_REPLACE_VAR_0 $STR_REPLACE_VAR_4 $STR_REPLACE_VAR_3
StrCmp $STR_REPLACE_VAR_5 $STR_REPLACE_VAR_1 found
StrCmp $STR_REPLACE_VAR_3 $STR_REPLACE_VAR_6 done
Goto loop
found:
StrCpy $STR_REPLACE_VAR_5 $STR_REPLACE_VAR_0 $STR_REPLACE_VAR_3
IntOp $STR_REPLACE_VAR_8 $STR_REPLACE_VAR_3 + $STR_REPLACE_VAR_4
StrCpy $STR_REPLACE_VAR_7 $STR_REPLACE_VAR_0 "" $STR_REPLACE_VAR_8
StrCpy $STR_REPLACE_VAR_0 $STR_REPLACE_VAR_5$STR_REPLACE_VAR_2$STR_REPLACE_VAR_7
StrLen $STR_REPLACE_VAR_6 $STR_REPLACE_VAR_0
Goto loop
done:
Pop $STR_REPLACE_VAR_1 ; Prevent "invalid opcode" errors and keep the
Pop $STR_REPLACE_VAR_1 ; stack as it was before the function was called
Exch $STR_REPLACE_VAR_0
FunctionEnd
!macro _strReplaceConstructor OUT NEEDLE NEEDLE2 HAYSTACK
Push "${HAYSTACK}"
Push "${NEEDLE}"
Push "${NEEDLE2}"
Call StrReplace
Pop "${OUT}"
!macroend
!define StrReplace '!insertmacro "_strReplaceConstructor"'