Slice: Cut string out of string: Difference between revisions
From NSIS Wiki
Jump to navigationJump to search
m (Updated author links.) |
m (Adding new author and category links.) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 1: | Line 1: | ||
{{PageAuthor|Afrow UK}} | |||
== Description == | == Description == | ||
This simply cuts a string from another string. | This simply cuts a string from another string. | ||
| Line 62: | Line 60: | ||
Exch $R0 ; output string | Exch $R0 ; output string | ||
FunctionEnd</highlight-nsis>-Stu | FunctionEnd</highlight-nsis>-Stu | ||
[[Category:String Functions]] | |||
Latest revision as of 13:51, 24 June 2005
| Author: Afrow UK (talk, contrib) |
Description
This simply cuts a string from another string.
Usage
Push "String" ; ...to cut from Push "...Another String" Call Slice Pop $R0 ; New string: "...Another " Pop $R1 ; Cut done? 0/1
The Function
Function Slice Exch $R0 ; input string Exch Exch $R1 ; to cut Push $R2 Push $R3 Push $R4 Push $R5 StrLen $R3 $R1 StrCpy $R4 -1 StrCpy $R5 0 Loop: IntOp $R4 $R4 + 1 StrCpy $R2 $R0 $R3 $R4 StrCmp $R2 "" Done StrCmp $R2 $R1 0 Loop StrCpy $R5 1 StrCmp $R4 0 0 +3 StrCpy $R1 "" Goto +2 StrCpy $R1 $R0 $R4 StrLen $R2 $R0 IntOp $R4 $R2 - $R4 IntOp $R4 $R4 - $R3 IntCmp $R4 0 0 0 +3 StrCpy $R2 "" Goto +2 StrCpy $R2 $R0 "" -$R4 StrCpy $R0 $R1$R2 Done: StrCpy $R1 $R5 Pop $R5 Pop $R4 Pop $R3 Pop $R2 Exch $R1 ; slice? 0/1 Exch Exch $R0 ; output string FunctionEnd
-Stu
