diff options
Diffstat (limited to 'contrib/mingw/strstr.nsi')
| -rw-r--r-- | contrib/mingw/strstr.nsi | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/contrib/mingw/strstr.nsi b/contrib/mingw/strstr.nsi new file mode 100644 index 0000000000..22c4f68c5b --- /dev/null +++ b/contrib/mingw/strstr.nsi @@ -0,0 +1,63 @@ +!define StrStr "!insertmacro StrStr" + +!macro StrStr ResultVar String SubString + Push `${String}` + Push `${SubString}` + Call StrStr + Pop `${ResultVar}` +!macroend + +Function StrStr +/*After this point: + ------------------------------------------ + $R0 = SubString (input) + $R1 = String (input) + $R2 = SubStringLen (temp) + $R3 = StrLen (temp) + $R4 = StartCharPos (temp) + $R5 = TempStr (temp)*/ + + ;Get input from user + Exch $R0 + Exch + Exch $R1 + Push $R2 + Push $R3 + Push $R4 + Push $R5 + + ;Get "String" and "SubString" length + StrLen $R2 $R0 + StrLen $R3 $R1 + ;Start "StartCharPos" counter + StrCpy $R4 0 + + ;Loop until "SubString" is found or "String" reaches its end + loop: + ;Remove everything before and after the searched part ("TempStr") + StrCpy $R5 $R1 $R2 $R4 + + ;Compare "TempStr" with "SubString" + StrCmp $R5 $R0 done + ;If not "SubString", this could be "String"'s end + IntCmp $R4 $R3 done 0 done + ;If not, continue the loop + IntOp $R4 $R4 + 1 + Goto loop + done: + +/*After this point: + ------------------------------------------ + $R0 = ResultVar (output)*/ + + ;Remove part before "SubString" on "String" (if there has one) + StrCpy $R0 $R1 `` $R4 + + ;Return output to user + Pop $R5 + Pop $R4 + Pop $R3 + Pop $R2 + Pop $R1 + Exch $R0 +FunctionEnd |