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module cleanstr_m |
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|
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implicit none |
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|
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contains |
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|
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SUBROUTINE cleanstr(str) |
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!- We clean up the string by taking out the extra () and puting |
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!- everything in lower case except for the X describing the variable |
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use strlowercase_m, only: strlowercase |
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use mathelp, only: seps |
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|
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CHARACTER(LEN=80) :: str |
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|
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INTEGER :: ind, leng, ic, it |
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LOGICAL :: check = .FALSE. |
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!--------------------------------------------------------------------- |
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leng = LEN_TRIM(str) |
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CALL strlowercase(str) |
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|
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ind = INDEX(str, 'x') |
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IF (check) THEN |
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WRITE (*, *) 'cleanstr 1.0 : ind = ', ind, & |
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& ' str = ', str(1:leng), '---' |
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ENDIF |
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|
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! If the character before the x is not a letter then we can assume |
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! that it is the variable and promote it to a capital letter |
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|
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DO WHILE (ind > 0) |
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ic = 0 |
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IF (ind > 1) ic = IACHAR(str(ind-1:ind-1)) |
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IF (ic < 97 .OR. ic > 122) THEN |
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str(ind:ind) = 'X' |
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ENDIF |
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it = INDEX(str(ind+1:leng), 'x') |
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IF (it > 0) THEN |
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ind = ind+it |
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ELSE |
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ind = it |
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ENDIF |
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ENDDO |
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|
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IF (check) WRITE (*, *) 'cleanstr 2.0 : str = ', str(1:leng), '---' |
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|
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IF ( str(1:1) == '(' .AND. str(leng:leng) == ')' ) THEN |
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str = str(2:leng-1) |
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ENDIF |
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|
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IF (check) WRITE (*, *) 'cleanstr 3.0 : str = ', str(1:leng), '---' |
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|
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leng = LEN_TRIM(str) |
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ind = INDEX(str, '((X))') |
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IF (ind > 0) THEN |
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str=str(1:ind-1)//'(X)'//str(ind+5:leng)//' ' |
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ENDIF |
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|
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IF (check) WRITE (*, *) 'cleanstr 4.0 : str = ', str(1:leng), '---' |
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|
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leng = LEN_TRIM(str) |
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ind = INDEX(str, '(X)') |
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IF (ind > 0 .AND. ind+3 < leng) THEN |
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IF ( (INDEX(seps, str(ind-1:ind-1)) > 0) & |
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& .AND. (INDEX(seps, str(ind+3:ind+3)) > 0) ) THEN |
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str=str(1:ind-1)//'X'//str(ind+3:leng)//' ' |
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ENDIF |
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ENDIF |
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|
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IF (check) WRITE (*, *) 'cleanstr 5.0 : str = ', str(1:leng), '---' |
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|
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leng = LEN_TRIM(str) |
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ind = INDEX(str(1:leng), ' ') |
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DO WHILE (ind > 0) |
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str=str(1:ind-1)//str(ind+1:leng)//' ' |
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leng = LEN_TRIM(str) |
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ind = INDEX(str(1:leng), ' ') |
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ENDDO |
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|
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IF (check) WRITE (*, *) 'cleanstr 6.0 : str = ', str(1:leng), '---' |
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!---------------------- |
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END SUBROUTINE cleanstr |
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|
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end module cleanstr_m |
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