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MODULE stringop |
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|
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!$Header: /home/ioipsl/CVSROOT/IOIPSL/src/stringop.f90,v 2.0 2004/04/05 14:47:51 adm Exp $ |
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! |
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!--------------------------------------------------------------------- |
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!- |
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INTEGER, DIMENSION(30) :: & |
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& prime=(/1,2,3,5,7,11,13,17,19,23,29,31,37,41,43, & |
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& 47,53,59,61,67,71,73,79,83,89,97,101,103,107,109/) |
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!- |
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!--------------------------------------------------------------------- |
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CONTAINS |
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!= |
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SUBROUTINE cmpblank (str) |
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!--------------------------------------------------------------------- |
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!- |
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!--------------------------------------------------------------------- |
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CHARACTER(LEN=*),INTENT(inout) :: str |
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!- |
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INTEGER :: lcc,ipb |
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!--------------------------------------------------------------------- |
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lcc = LEN_TRIM(str) |
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ipb = 1 |
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DO |
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IF (ipb >= lcc) EXIT |
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IF (str(ipb:ipb+1) == ' ') THEN |
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str(ipb+1:) = str(ipb+2:lcc) |
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lcc = lcc-1 |
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ELSE |
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ipb = ipb+1 |
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ENDIF |
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ENDDO |
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!------------------------- |
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END SUBROUTINE cmpblank |
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!= |
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INTEGER FUNCTION cntpos (c_c,l_c,c_r,l_r) |
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!--------------------------------------------------------------------- |
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!- Finds number of occurences of c_r in c_c |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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CHARACTER(LEN=*),INTENT(in) :: c_c |
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INTEGER,INTENT(IN) :: l_c |
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CHARACTER(LEN=*),INTENT(in) :: c_r |
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INTEGER,INTENT(IN) :: l_r |
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!- |
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INTEGER :: ipos,indx |
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!--------------------------------------------------------------------- |
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cntpos = 0 |
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ipos = 1 |
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DO |
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indx = INDEX(c_c(ipos:l_c),c_r(1:l_r)) |
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IF (indx > 0) THEN |
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cntpos = cntpos+1 |
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ipos = ipos+indx+l_r-1 |
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ELSE |
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EXIT |
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ENDIF |
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ENDDO |
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!--------------------- |
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END FUNCTION cntpos |
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!= |
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INTEGER FUNCTION findpos (c_c,l_c,c_r,l_r) |
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!--------------------------------------------------------------------- |
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!- Finds position of c_r in c_c |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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CHARACTER(LEN=*),INTENT(in) :: c_c |
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INTEGER,INTENT(IN) :: l_c |
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CHARACTER(LEN=*),INTENT(in) :: c_r |
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INTEGER,INTENT(IN) :: l_r |
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!--------------------------------------------------------------------- |
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findpos = INDEX(c_c(1:l_c),c_r(1:l_r)) |
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IF (findpos == 0) findpos=-1 |
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!---------------------- |
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END FUNCTION findpos |
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!= |
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SUBROUTINE find_str (nb_str,str_tab,str_len_tab,str,pos) |
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!--------------------------------------------------------------------- |
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!- This subroutine looks for a string in a table |
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!--------------------------------------------------------------------- |
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!- INPUT |
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!- nb_str : length of table |
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!- str_tab : Table of strings |
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!- str_len_tab : Table of string-length |
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!- str : Target we are looking for |
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!- OUTPUT |
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!- pos : -1 if str not found, else value in the table |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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INTEGER :: nb_str |
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CHARACTER(LEN=*),DIMENSION(nb_str) :: str_tab |
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INTEGER,DIMENSION(nb_str) :: str_len_tab |
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CHARACTER(LEN=*) :: str |
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INTEGER :: pos |
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!- |
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INTEGER :: i,il |
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!--------------------------------------------------------------------- |
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pos = -1 |
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il = LEN_TRIM(str) |
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IF ( nb_str > 0 ) THEN |
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DO i=1,nb_str |
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IF ( (INDEX(str_tab(i),str(1:il)) > 0) & |
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.AND.(str_len_tab(i) == il) ) THEN |
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pos = i |
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EXIT |
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ENDIF |
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ENDDO |
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ENDIF |
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!------------------------- |
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END SUBROUTINE find_str |
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!= |
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SUBROUTINE nocomma (str) |
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!--------------------------------------------------------------------- |
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!- |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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CHARACTER(LEN=*) :: str |
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!- |
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INTEGER :: i |
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!--------------------------------------------------------------------- |
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DO i=1,LEN_TRIM(str) |
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IF (str(i:i) == ',') str(i:i) = ' ' |
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ENDDO |
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!------------------------ |
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END SUBROUTINE nocomma |
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!= |
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SUBROUTINE strlowercase (str) |
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!--------------------------------------------------------------------- |
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!- Converts a string into lowercase |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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CHARACTER(LEN=*) :: str |
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!- |
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INTEGER :: i,ic |
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!--------------------------------------------------------------------- |
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DO i=1,LEN_TRIM(str) |
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ic = IACHAR(str(i:i)) |
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IF ( (ic >= 65) .AND. (ic <= 90) ) str(i:i) = ACHAR(ic+32) |
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ENDDO |
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!----------------------------- |
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END SUBROUTINE strlowercase |
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!= |
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SUBROUTINE struppercase (str) |
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!--------------------------------------------------------------------- |
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!- Converts a string into uppercase |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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CHARACTER(LEN=*) :: str |
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!- |
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INTEGER :: i,ic |
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!--------------------------------------------------------------------- |
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DO i=1,LEN_TRIM(str) |
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ic = IACHAR(str(i:i)) |
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IF ( (ic >= 97) .AND. (ic <= 122) ) str(i:i) = ACHAR(ic-32) |
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ENDDO |
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!----------------------------- |
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END SUBROUTINE struppercase |
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!= |
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!------------------ |
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SUBROUTINE gensig (str, sig) |
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!--------------------------------------------------------------------- |
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!- Generate a signature from the first 30 characters of the string |
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!- This signature is not unique and thus when one looks for the |
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!- one needs to also verify the string. |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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CHARACTER(LEN=*) :: str |
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INTEGER :: sig |
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!- |
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INTEGER :: i |
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!--------------------------------------------------------------------- |
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sig = 0 |
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DO i=1,MIN(len_trim(str),30) |
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sig = sig + prime(i)*IACHAR(str(i:i)) |
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ENDDO |
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!----------------------------- |
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END SUBROUTINE gensig |
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!= |
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!------------------ |
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SUBROUTINE find_sig (nb_sig, str_tab, str, sig_tab, sig, pos) |
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!--------------------------------------------------------------------- |
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!- Find the string signature in a list of signatures |
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!--------------------------------------------------------------------- |
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!- INPUT |
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!- nb_sig : length of table of signatures |
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!- str_tab : Table of strings |
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!- str : Target string we are looking for |
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!- sig_tab : Table of signatures |
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!- sig : Target signature we are looking for |
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!- OUTPUT |
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!- pos : -1 if str not found, else value in the table |
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!--------------------------------------------------------------------- |
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IMPLICIT NONE |
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!- |
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INTEGER :: nb_sig |
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CHARACTER(LEN=*),DIMENSION(nb_sig) :: str_tab |
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CHARACTER(LEN=*) :: str |
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INTEGER, DIMENSION(nb_sig) :: sig_tab |
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INTEGER :: sig |
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!- |
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INTEGER :: pos |
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INTEGER, DIMENSION(nb_sig) :: loczeros |
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!- |
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INTEGER :: il, my_len |
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INTEGER, DIMENSION(1) :: minpos |
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!--------------------------------------------------------------------- |
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!- |
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pos = -1 |
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il = LEN_TRIM(str) |
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!- |
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IF ( nb_sig > 0 ) THEN |
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! |
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loczeros = ABS(sig_tab(1:nb_sig)-sig) |
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! |
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IF ( COUNT(loczeros < 1) == 1 ) THEN |
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! |
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minpos = MINLOC(loczeros) |
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my_len = LEN_TRIM(str_tab(minpos(1))) |
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IF ( (INDEX(str_tab(minpos(1)),str(1:il)) > 0) & |
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.AND.(my_len == il) ) THEN |
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pos = minpos(1) |
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ENDIF |
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! |
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ELSE IF ( COUNT(loczeros < 1) > 1 ) THEN |
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! |
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DO WHILE (COUNT(loczeros < 1) >= 1 .AND. pos < 0 ) |
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minpos = MINLOC(loczeros) |
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my_len = LEN_TRIM(str_tab(minpos(1))) |
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IF ( (INDEX(str_tab(minpos(1)),str(1:il)) > 0) & |
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.AND.(my_len == il) ) THEN |
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pos = minpos(1) |
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ELSE |
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loczeros(minpos(1)) = 99999 |
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ENDIF |
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ENDDO |
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! |
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ENDIF |
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! |
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ENDIF |
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!- |
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END SUBROUTINE find_sig |
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!= |
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!------------------ |
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END MODULE stringop |
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