don't repeat code
This commit is contained in:
Martin Diehl
parent
7499b57f17
commit
28bc1fae50
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@ -95,14 +95,8 @@ contains
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logical function isDirectory(path)
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character(len=*), intent(in) :: path
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character(kind=C_CHAR), dimension(pPathLen) :: strFixedLength ! C string as array
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integer :: i
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strFixedLength = repeat(C_NULL_CHAR,len(strFixedLength))
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do i=1,len(path) ! copy array components
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strFixedLength(i)=path(i:i)
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enddo
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isDirectory=merge(.True.,.False.,isDirectory_C(strFixedLength) /= 0_C_INT)
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isDirectory=merge(.True.,.False.,isDirectory_C(f_c_string(path)) /= 0_C_INT)
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end function isDirectory
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@ -112,26 +106,15 @@ end function isDirectory
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!--------------------------------------------------------------------------------------------------
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function getCWD()
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character(kind=C_CHAR), dimension(pPathLen) :: charArray ! C string is an array
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character(kind=C_CHAR), dimension(pPathLen) :: getCWD_Cstring
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character(len=:), allocatable :: getCWD
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integer(C_INT) :: stat
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integer :: i
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call getCurrentWorkDir_C(charArray,stat)
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call getCurrentWorkDir_C(getCWD_Cstring,stat)
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if (stat /= 0_C_INT) then
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getCWD = 'Error occured when getting currend working directory'
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else
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allocate(character(len=pPathLen)::getCWD)
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arrayToString: do i=1,len(getCWD)
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if (charArray(i) /= C_NULL_CHAR) then
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getCWD(i:i)=charArray(i)
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else
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getCWD = getCWD(:i-1)
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exit
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endif
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enddo arrayToString
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endif
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getCWD = merge(c_f_string(getCWD_Cstring), &
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'Error occured when getting currend working directory', &
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stat == 0_C_INT)
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end function getCWD
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@ -141,26 +124,15 @@ end function getCWD
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!--------------------------------------------------------------------------------------------------
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function getHostName()
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character(kind=C_CHAR), dimension(pPathLen) :: charArray ! C string is an array
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character(kind=C_CHAR), dimension(pPathLen) :: getHostName_Cstring
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character(len=:), allocatable :: getHostName
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integer(C_INT) :: stat
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integer :: i
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call getHostName_C(charArray,stat)
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call getHostName_C(getHostName_Cstring,stat)
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if (stat /= 0_C_INT) then
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getHostName = 'Error occured when getting host name'
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else
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allocate(character(len=pPathLen)::getHostName)
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arrayToString: do i=1,len(getHostName)
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if (charArray(i) /= C_NULL_CHAR) then
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getHostName(i:i)=charArray(i)
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else
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getHostName = getHostName(:i-1)
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exit
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endif
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enddo arrayToString
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endif
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getHostName = merge(c_f_string(getHostName_Cstring), &
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'Error occured when getting host name', &
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stat == 0_C_INT)
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end function getHostName
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@ -171,16 +143,52 @@ end function getHostName
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logical function setCWD(path)
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character(len=*), intent(in) :: path
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character(kind=C_CHAR), dimension(pPathLen) :: strFixedLength ! C string is an array
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integer :: i
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strFixedLength = repeat(C_NULL_CHAR,len(strFixedLength))
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do i=1,len(path) ! copy array components
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strFixedLength(i)=path(i:i)
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enddo
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setCWD=merge(.True.,.False.,chdir_C(strFixedLength) /= 0_C_INT)
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setCWD=merge(.True.,.False.,chdir_C(f_c_string(path)) /= 0_C_INT)
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end function setCWD
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!--------------------------------------------------------------------------------------------------
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!> @brief convert C string to Fortran string
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!> @details: C string is NULL terminated and, hence, longer by one than the Fortran string
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!--------------------------------------------------------------------------------------------------
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pure function c_f_string(c_string) result(f_string)
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character(kind=C_CHAR), dimension(:), intent(in) :: c_string
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character(len=:), allocatable :: f_string
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integer :: i
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allocate(character(len=size(c_string))::f_string)
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arrayToString: do i=1,len(f_string)
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if (c_string(i) /= C_NULL_CHAR) then
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f_string(i:i)=c_string(i)
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else
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f_string = f_string(:i-1)
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exit
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endif
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enddo arrayToString
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end function c_f_string
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!--------------------------------------------------------------------------------------------------
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!> @brief convert Fortran string to C string
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!> @details: C string is NULL terminated and, hence, longer by one than the Fortran string
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!--------------------------------------------------------------------------------------------------
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pure function f_c_string(f_string) result(c_string)
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character(len=*), intent(in) :: f_string
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character(kind=C_CHAR), dimension(len(f_string)+1) :: c_string
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integer :: i
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do i=1,len(f_string)
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c_string(i)=f_string(i:i)
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enddo
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c_string(i) = C_NULL_CHAR
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end function f_c_string
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end module system_routines
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