Slice: Cut string out of string: Difference between revisions
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|<small>Author: [[{{ns:2}}:Afrow UK|Afrow UK]] ([[{{ns:3}}:Afrow UK|talk]], [[{{ns:-1}}:Contributions/Afrow UK|contrib]])</small> | |||
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== Description == | == Description == | ||
This simply cuts a string from another string. | This simply cuts a string from another string. | ||
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Exch $R0 ; output string | Exch $R0 ; output string | ||
FunctionEnd</highlight-nsis>-Stu | FunctionEnd</highlight-nsis>-Stu | ||
Revision as of 03:04, 30 April 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
