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tools_strings.f90
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tools_strings.f90
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subroutine CutStr(Line,NumLin,LinPos,LinEnd,NFIL,iCom,iErr)
!.................................................................
!....It reads the line from the file UNIT=NFIL as a string .....
!.... Line*80 (if NFIL.ne.0) and replies with a set of .....
!.... substrings. Their number is NumLin, while starting and .....
!.... ending positions are LinPos and LinEnd. .....
!.................................................................
! Up to 100 substrings is implied to be in the initial string Line.
!.................................................................
! If NFIL=0 it is assumed that the string Line*80 exists and
! must not be read from the external source, but must be taken
! as an input from the parent program
!.................................................................
! iErr=1 in the case of error input; oterwise iErr=0
!.................................................................
! Commas are also interpreted as string division symbols
! alongside spaces if iCom=1; not, if iCom=/=1.
!.................................................................
!
implicit none
character Line*200,cha
integer LinEnd(100),LinPos(100),NFIL,iCom,iErr,i,i0,icase,NumLin
iErr=0
if(NFIL.ne.0) then
call SkipL(NFIL,iErr)
if(iErr.ne.0) go to 10
read (NFIL,'(a)',err=10,end=10) Line
end if
NumLin=0
icase=0
!............ replace commas, if present, by spaces
if(iCom.eq.1) then
do i=1,200
if(Line(i:i).eq.',') Line(i:i)=' '
end do
end if
!............ Loop over all characters in the Line(1:200)............
do 5 i=1,200
i0=i
cha=Line(i:i)
!________ if the 1st not blank character is found
if(cha.ne.' '.and.cha.ne.' '.and.icase.eq.0) then
NumLin=NumLin+1
if(NumLin.gt.100) go to 10
LinPos(NumLin)=i
icase=1
end if
!_________ if the 1st blank character is found after the substring
if(cha.eq.' '.and.icase.eq.1) then
LinEnd(NumLin)=i-1
icase=0
end if
5 end do
if(icase.eq.1) LinEnd(NumLin)=200
return
10 iErr=1
return
end subroutine CutStr
subroutine SkipL(NFIL,iErr)
!.......................................................................x
!...... Program skips all "empty" string containing comments, etc.......
!...... All lines, containing **,--,==,*-, ## annd -* symbols are.......
!...... recognized as the comments lines and are skipped. The .......
!...... driver is set up at the beginning of the first "nonempty".......
!...... record .......
!.......................................................................
! iErr=1 in the case of error input; oterwise iErr=0
!.................................................................
!
implicit none
integer, parameter :: nComm=6
character Line*200,Comm(nComm)*2
integer NFIL,iErr,i,i0
data Comm/'*-','-*','--','==','**','##'/
!.......... read the current line from the driver NFIL
1 read (NFIL,'(a)',err=10,end=10) Line
!_________ analyze Line if it is empty
if(Line(1:1).eq.CHAR(0)) go to 1
!_________ analyze Line if it is filled by simple blanks
do i=1,200
if(Line(i:i).ne.CHAR(0).and.Line(i:i).ne.' ') go to 2
end do
go to 1
!_________ analyze Line for the comment symbols; in the case if any
! one from the list Comm() was found it reads the next line
2 do i=1,nComm
i0=INDEX(Line,Comm(i))
if(i0.ne.0) go to 1
end do
iErr=0
!_________ return to the beginning of the "nonempty" line (record)
backspace NFIL
return
!......... in the case of an error
10 iErr=1
end subroutine SkipL
subroutine find_string(string,l,line,NFIL,speak,iErr)
!................................................................
! finds a string(1:l) in a file NFIL and returns with iErr=0
! and the whole Line*100 from the input. Otherwise, iErr=1
!.................................................................
implicit none
character*(*) string,line*200
logical speak
integer l,NFIL,iErr,i0
! rewind(NFIL)
iErr=0
10 read(NFIL,'(a)',err=20,end=20) line
i0=index(line,string(1:l))
if(i0.ne.0) then
if(speak) then
write(*,'(a)')'... string:: ['//string(1:l)//'] found'
! write(*,'(a)') line
end if
return
end if
go to 10
20 iErr=1
end subroutine find_string
subroutine find_2strings(string1,l1,string2,l2,line,NFIL,speak,iErr)
!.................................................................
! finds 2 strings string1(1:l1) and string2(1:l2) in the file NFIL
! and returns iErr=0 and the Line*100 itself from the input.
! Otherwise, iErr=1.
!.................................................................
implicit none
character*(*) string1,string2,line*100
logical speak
integer l1,l2,NFIL,iErr,i1,i2
iErr=0
! rewind(NFIL)
10 read(NFIL,'(a)',err=20,end=20) line
i1=index(line,string1(1:l1))
i2=index(line,string2(1:l2))
if(i1.ne.0 .and. i2.ne.0) then
if(speak) then
write(*,'(a)')'...2 string:: '//string1(1:l1)//' found'
write(*,'(a)')'...2 string:: '//string2(1:l2)//' found'
end if
return
end if
go to 10
20 iErr=1
return
end subroutine find_2strings
subroutine find_3strings(string1,l1,string2,l2,string3,l3,line,NFIL,speak,iErr)
!.................................................................
! finds 3 strings string1(1:l1) - string3(1:l3) in the file NFIL
! and returns iErr=0 and the Line*100 itself from the input.
! Otherwise, iErr=1.
!.................................................................
implicit none
character*(*) string1,string2,string3,line*100
logical speak
integer l1,l2,l3,NFIL,iErr,i1,i2,i3
! rewind(NFIL)
iErr=0
10 read(NFIL,'(a)',err=20,end=20) line
i1=index(line,string1(1:l1))
i2=index(line,string2(1:l2))
i3=index(line,string3(1:l3))
if(i1.ne.0 .and. i2.ne.0 .and.i3.ne.0) then
if(speak) then
write(*,'(a)')'...3 string:: '//string1(1:l1)//' found'
write(*,'(a)')'...3 string:: '//string2(1:l2)//' found'
write(*,'(a)')'...3 string:: '//string3(1:l3)//' found'
end if
return
end if
go to 10
20 iErr=1
return
end subroutine find_3strings
subroutine position_quote(line,pos,NFIL,iErr)
!............................................................
! reads the next line and finds the two quotes "".
! pos(1) - starting position just after the 1st quote "
! pos(2) - ending position before the 2nd "
! iErr=1 if quote was not found
!............................................................
implicit none
character*(*) line*200
integer LinEnd(100),LinPos(100),NFIL,NumLin,iErr,i,j,pos(2)
call CutStr(Line,NumLin,LinPos,LinEnd,NFIL,0,iErr)
j=0
do i=1,LinEnd(NumLin)
if(line(i:i).eq.'"') then
j=j+1 ; pos(j)=i ; if(j.eq.2) exit
end if
end do
pos(1)=pos(1)+1 ; pos(2)=pos(2)-1
return
20 iErr=1
end subroutine position_quote
subroutine print_long_char(list,len,long_list)
!....................................................................
! Prints nicely a list (of length len) indicating if it has been cut.
!....................................................................
implicit none
character(*) list
logical long_list
integer i,len,i2
do i=1,len,100
i2=min(i+99,len)
if(i2.eq.len .and. long_list) then
write(*,'(a)') list(i:i2)//' ... (cut)'
else
write(*,'(a)') list(i:i2)
end if
end do
end subroutine print_long_char