root / src / InString.f90 @ 6
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| 1 | 5 | pfleura2 | ! This function compares two strings |
|---|---|---|---|
| 2 | 5 | pfleura2 | ! Input, 5 variables out of which 3 optionals |
| 3 | 5 | pfleura2 | ! Line: the line to search in |
| 4 | 5 | pfleura2 | ! String: the stuff to search in Line |
| 5 | 5 | pfleura2 | ! Case [optional]: if present and true, the case is respected |
| 6 | 5 | pfleura2 | ! Clean [optional]: if present, Line is cleaned |
| 7 | 5 | pfleura2 | ! Back [optional] if present and true, the string is seach backwards |
| 8 | 5 | pfleura2 | |
| 9 | 5 | pfleura2 | FUNCTION InString(Line,String,Case,Clean,Back) Result(Pos) |
| 10 | 5 | pfleura2 | |
| 11 | 5 | pfleura2 | Use VarTypes |
| 12 | 5 | pfleura2 | Use io_module |
| 13 | 5 | pfleura2 | |
| 14 | 5 | pfleura2 | implicit none |
| 15 | 5 | pfleura2 | |
| 16 | 5 | pfleura2 | |
| 17 | 5 | pfleura2 | INTERFACE |
| 18 | 5 | pfleura2 | function valid(string) result (isValid) |
| 19 | 5 | pfleura2 | CHARACTER(*), intent(in) :: string |
| 20 | 5 | pfleura2 | logical :: isValid |
| 21 | 5 | pfleura2 | END function VALID |
| 22 | 5 | pfleura2 | END INTERFACE |
| 23 | 5 | pfleura2 | |
| 24 | 5 | pfleura2 | ! Input |
| 25 | 5 | pfleura2 | CHARACTER(*), INTENT(IN) :: Line |
| 26 | 5 | pfleura2 | CHARACTER(*), INTENT(IN) :: String |
| 27 | 5 | pfleura2 | LOGICAL, OPTIONAL, INTENT(IN) :: Case |
| 28 | 5 | pfleura2 | LOGICAL, OPTIONAL, INTENT(IN) :: Back |
| 29 | 5 | pfleura2 | CHARACTER(*), OPTIONAL, INTENT(IN) :: Clean |
| 30 | 5 | pfleura2 | |
| 31 | 5 | pfleura2 | ! Output |
| 32 | 5 | pfleura2 | ! the position of String in Line (the first one) unless Back is present |
| 33 | 5 | pfleura2 | INTEGER(KINT) :: Pos |
| 34 | 5 | pfleura2 | |
| 35 | 5 | pfleura2 | CHARACTER(LCHARS) :: LineUp,UpString |
| 36 | 5 | pfleura2 | LOGICAL :: LCase, LBack, debug |
| 37 | 5 | pfleura2 | |
| 38 | 5 | pfleura2 | Debug=valid('InString')
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| 39 | 5 | pfleura2 | |
| 40 | 5 | pfleura2 | if (debug) Call header('Entering InString')
|
| 41 | 5 | pfleura2 | |
| 42 | 5 | pfleura2 | if (present(Case)) THEN |
| 43 | 5 | pfleura2 | LCase=Case |
| 44 | 5 | pfleura2 | else |
| 45 | 5 | pfleura2 | LCase=.FALSE. |
| 46 | 5 | pfleura2 | END IF |
| 47 | 5 | pfleura2 | |
| 48 | 5 | pfleura2 | if (present(Back)) THEN |
| 49 | 5 | pfleura2 | LBack=Back |
| 50 | 5 | pfleura2 | ELSE |
| 51 | 5 | pfleura2 | LBack=.FALSE. |
| 52 | 5 | pfleura2 | END IF |
| 53 | 5 | pfleura2 | |
| 54 | 5 | pfleura2 | UpString=String |
| 55 | 5 | pfleura2 | if (.NOT.LCase) Call upcase(UpString) |
| 56 | 5 | pfleura2 | |
| 57 | 5 | pfleura2 | if (debug) WRITE(*,*) 'Looking for:',Upstring |
| 58 | 5 | pfleura2 | |
| 59 | 5 | pfleura2 | IF (present(Clean)) THEN |
| 60 | 5 | pfleura2 | Call CleanString(UpString,Clean) |
| 61 | 5 | pfleura2 | END IF |
| 62 | 5 | pfleura2 | |
| 63 | 5 | pfleura2 | if (debug) WRITE(*,*) 'Looking for clean:',TRIM(Upstring) |
| 64 | 5 | pfleura2 | |
| 65 | 5 | pfleura2 | LineUp=Line |
| 66 | 5 | pfleura2 | if (.NOT.LCase) Call UpCase(LineUp) |
| 67 | 5 | pfleura2 | IF (present(Clean)) THEN |
| 68 | 5 | pfleura2 | Call CleanString(LineUp,Clean) |
| 69 | 5 | pfleura2 | END IF |
| 70 | 5 | pfleura2 | if (debug) WRITE(*,*) 'Comparing with:',Trim(LineUp) |
| 71 | 5 | pfleura2 | |
| 72 | 5 | pfleura2 | Pos=INDEX(LineUp,TRIM(UpString),Back=LBack) |
| 73 | 5 | pfleura2 | |
| 74 | 5 | pfleura2 | if (debug) Call header('Exiting InString')
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| 75 | 5 | pfleura2 | |
| 76 | 5 | pfleura2 | Return |
| 77 | 5 | pfleura2 | |
| 78 | 5 | pfleura2 | END FUNCTION InString |