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iso_varying_string.f90
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iso_varying_string.f90
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! ******************************************************************************
! * *
! * iso_varying_string.f90 *
! * *
! * Copyright (c) 2003, Rich Townsend <[email protected]> *
! * All rights reserved. *
! * *
! * Redistribution and use in source and binary forms, with or without *
! * modification, are permitted provided that the following conditions are *
! * met: *
! * *
! * * Redistributions of source code must retain the above copyright notice, *
! * this list of conditions and the following disclaimer. *
! * * Redistributions in binary form must reproduce the above copyright *
! * notice, this list of conditions and the following disclaimer in the *
! * documentation and/or other materials provided with the distribution. *
! * *
! * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS *
! * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, *
! * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR *
! * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR *
! * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
! * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
! * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
! * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
! * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
! * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
! * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
! * *
! ******************************************************************************
!
! Author : Rich Townsend <[email protected]>
! Synopsis : Definition of iso_varying_string module, conformant to the API
! specified in ISO/IEC 1539-2:2000 (varying-length strings for
! Fortran 95).
! Version : 1.3-F
! Thanks : Lawrie Schonfelder (bugfixes and design pointers), Walt Brainerd
! (conversion to F).
module iso_varying_string
! No implicit typing
implicit none
! Parameter definitions
integer, parameter, private :: GET_BUFFER_LEN = 256
! Type definitions
type, public :: varying_string
private
character(LEN=1), dimension(:), allocatable :: chars
end type varying_string
! Interface blocks
interface assignment(=)
module procedure op_assign_CH_VS
module procedure op_assign_VS_CH
end interface assignment(=)
interface operator(//)
module procedure op_concat_VS_VS
module procedure op_concat_CH_VS
module procedure op_concat_VS_CH
end interface operator(//)
interface operator(==)
module procedure op_eq_VS_VS
module procedure op_eq_CH_VS
module procedure op_eq_VS_CH
end interface operator(==)
interface operator(/=)
module procedure op_ne_VS_VS
module procedure op_ne_CH_VS
module procedure op_ne_VS_CH
end interface operator (/=)
interface operator(<)
module procedure op_lt_VS_VS
module procedure op_lt_CH_VS
module procedure op_lt_VS_CH
end interface operator (<)
interface operator(<=)
module procedure op_le_VS_VS
module procedure op_le_CH_VS
module procedure op_le_VS_CH
end interface operator (<=)
interface operator(>=)
module procedure op_ge_VS_VS
module procedure op_ge_CH_VS
module procedure op_ge_VS_CH
end interface operator (>=)
interface operator(>)
module procedure op_gt_VS_VS
module procedure op_gt_CH_VS
module procedure op_gt_VS_CH
end interface operator (>)
interface adjustl
module procedure adjustl_
end interface adjustl
interface adjustr
module procedure adjustr_
end interface adjustr
interface char
module procedure char_auto
module procedure char_fixed
end interface char
interface iachar
module procedure iachar_
end interface iachar
interface ichar
module procedure ichar_
end interface ichar
interface index
module procedure index_VS_VS
module procedure index_CH_VS
module procedure index_VS_CH
end interface index
interface len
module procedure len_
end interface len
interface len_trim
module procedure len_trim_
end interface len_trim
interface lge
module procedure lge_VS_VS
module procedure lge_CH_VS
module procedure lge_VS_CH
end interface lge
interface lgt
module procedure lgt_VS_VS
module procedure lgt_CH_VS
module procedure lgt_VS_CH
end interface lgt
interface lle
module procedure lle_VS_VS
module procedure lle_CH_VS
module procedure lle_VS_CH
end interface lle
interface llt
module procedure llt_VS_VS
module procedure llt_CH_VS
module procedure llt_VS_CH
end interface llt
interface repeat
module procedure repeat_
end interface repeat
interface scan
module procedure scan_VS_VS
module procedure scan_CH_VS
module procedure scan_VS_CH
end interface scan
interface trim
module procedure trim_
end interface trim
interface verify
module procedure verify_VS_VS
module procedure verify_CH_VS
module procedure verify_VS_CH
end interface verify
interface var_str
module procedure var_str_
end interface var_str
interface get
module procedure get_
module procedure get_unit
module procedure get_set_VS
module procedure get_set_CH
module procedure get_unit_set_VS
module procedure get_unit_set_CH
end interface get
interface put
module procedure put_VS
module procedure put_CH
module procedure put_unit_VS
module procedure put_unit_CH
end interface put
interface put_line
module procedure put_line_VS
module procedure put_line_CH
module procedure put_line_unit_VS
module procedure put_line_unit_CH
end interface put_line
interface extract
module procedure extract_VS
module procedure extract_CH
end interface extract
interface insert
module procedure insert_VS_VS
module procedure insert_CH_VS
module procedure insert_VS_CH
module procedure insert_CH_CH
end interface insert
interface remove
module procedure remove_VS
module procedure remove_CH
end interface remove
interface replace
module procedure replace_VS_VS_auto
module procedure replace_CH_VS_auto
module procedure replace_VS_CH_auto
module procedure replace_CH_CH_auto
module procedure replace_VS_VS_fixed
module procedure replace_CH_VS_fixed
module procedure replace_VS_CH_fixed
module procedure replace_CH_CH_fixed
module procedure replace_VS_VS_VS_target
module procedure replace_CH_VS_VS_target
module procedure replace_VS_CH_VS_target
module procedure replace_CH_CH_VS_target
module procedure replace_VS_VS_CH_target
module procedure replace_CH_VS_CH_target
module procedure replace_VS_CH_CH_target
module procedure replace_CH_CH_CH_target
end interface
interface split
module procedure split_VS
module procedure split_CH
end interface split
! Access specifiers
public :: assignment(=)
public :: operator(//)
public :: operator(==)
public :: operator(/=)
public :: operator(<)
public :: operator(<=)
public :: operator(>=)
public :: operator(>)
public :: adjustl
public :: adjustr
public :: char
public :: iachar
public :: ichar
public :: index
public :: len
public :: len_trim
public :: lge
public :: lgt
public :: lle
public :: llt
public :: repeat
public :: scan
public :: trim
public :: verify
public :: var_str
public :: get
public :: put
public :: put_line
public :: extract
public :: insert
public :: remove
public :: replace
public :: split
private :: op_assign_CH_VS
private :: op_assign_VS_CH
private :: op_concat_VS_VS
private :: op_concat_CH_VS
private :: op_concat_VS_CH
private :: op_eq_VS_VS
private :: op_eq_CH_VS
private :: op_eq_VS_CH
private :: op_ne_VS_VS
private :: op_ne_CH_VS
private :: op_ne_VS_CH
private :: op_lt_VS_VS
private :: op_lt_CH_VS
private :: op_lt_VS_CH
private :: op_le_VS_VS
private :: op_le_CH_VS
private :: op_le_VS_CH
private :: op_ge_VS_VS
private :: op_ge_CH_VS
private :: op_ge_VS_CH
private :: op_gt_VS_VS
private :: op_gt_CH_VS
private :: op_gt_VS_CH
private :: adjustl_
private :: adjustr_
private :: char_auto
private :: char_fixed
private :: iachar_
private :: ichar_
private :: index_VS_VS
private :: index_CH_VS
private :: index_VS_CH
private :: len_
private :: len_trim_
private :: lge_VS_VS
private :: lge_CH_VS
private :: lge_VS_CH
private :: lgt_VS_VS
private :: lgt_CH_VS
private :: lgt_VS_CH
private :: lle_VS_VS
private :: lle_CH_VS
private :: lle_VS_CH
private :: llt_VS_VS
private :: llt_CH_VS
private :: llt_VS_CH
private :: repeat_
private :: scan_VS_VS
private :: scan_CH_VS
private :: scan_VS_CH
private :: trim_
private :: verify_VS_VS
private :: verify_CH_VS
private :: verify_VS_CH
private :: var_str_
private :: get_
private :: get_unit
private :: get_set_VS
private :: get_set_CH
private :: get_unit_set_VS
private :: get_unit_set_CH
private :: put_VS
private :: put_CH
private :: put_unit_VS
private :: put_unit_CH
private :: put_line_VS
private :: put_line_CH
private :: put_line_unit_VS
private :: put_line_unit_CH
private :: extract_VS
private :: extract_CH
private :: insert_VS_VS
private :: insert_CH_VS
private :: insert_VS_CH
private :: insert_CH_CH
private :: remove_VS
private :: remove_CH
private :: replace_VS_VS_auto
private :: replace_CH_VS_auto
private :: replace_VS_CH_auto
private :: replace_CH_CH_auto
private :: replace_VS_VS_fixed
private :: replace_CH_VS_fixed
private :: replace_VS_CH_fixed
private :: replace_CH_CH_fixed
private :: replace_VS_VS_VS_target
private :: replace_CH_VS_VS_target
private :: replace_VS_CH_VS_target
private :: replace_CH_CH_VS_target
private :: replace_VS_VS_CH_target
private :: replace_CH_VS_CH_target
private :: replace_VS_CH_CH_target
private :: replace_CH_CH_CH_target
private :: split_VS
private :: split_CH
! Procedures
contains
!****
elemental subroutine op_assign_CH_VS (var, exp)
character(LEN=*), intent(out) :: var
type(varying_string), intent(in) :: exp
! Assign a varying string to a character string
var = char(exp)
! Finish
return
end subroutine op_assign_CH_VS
!****
elemental subroutine op_assign_VS_CH (var, exp)
type(varying_string), intent(out) :: var
character(LEN=*), intent(in) :: exp
! Assign a character string to a varying string
var = var_str(exp)
! Finish
return
end subroutine op_assign_VS_CH
!****
elemental function op_concat_VS_VS (string_a, string_b) result (concat_string)
type(varying_string), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
type(varying_string) :: concat_string
integer :: len_string_a
! Concatenate two varying strings
len_string_a = len(string_a)
ALLOCATE(concat_string%chars(len_string_a+len(string_b)))
concat_string%chars(:len_string_a) = string_a%chars
concat_string%chars(len_string_a+1:) = string_b%chars
! Finish
return
end function op_concat_VS_VS
!****
elemental function op_concat_CH_VS (string_a, string_b) result (concat_string)
character(LEN=*), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
type(varying_string) :: concat_string
! Concatenate a character string and a varying
! string
concat_string = op_concat_VS_VS(var_str(string_a), string_b)
! Finish
return
end function op_concat_CH_VS
!****
elemental function op_concat_VS_CH (string_a, string_b) result (concat_string)
type(varying_string), intent(in) :: string_a
character(LEN=*), intent(in) :: string_b
type(varying_string) :: concat_string
! Concatenate a varying string and a character
! string
concat_string = op_concat_VS_VS(string_a, var_str(string_b))
! Finish
return
end function op_concat_VS_CH
!****
elemental function op_eq_VS_VS (string_a, string_b) result (op_eq)
type(varying_string), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_eq
! Compare (==) two varying strings
op_eq = char(string_a) == char(string_b)
! Finish
return
end function op_eq_VS_VS
!****
elemental function op_eq_CH_VS (string_a, string_b) result (op_eq)
character(LEN=*), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_eq
! Compare (==) a character string and a varying
! string
op_eq = string_a == char(string_b)
! Finish
return
end function op_eq_CH_VS
!****
elemental function op_eq_VS_CH (string_a, string_b) result (op_eq)
type(varying_string), intent(in) :: string_a
character(LEN=*), intent(in) :: string_b
logical :: op_eq
! Compare (==) a varying string and a character
! string
op_eq = char(string_a) == string_b
! Finish
return
end function op_eq_VS_CH
!****
elemental function op_ne_VS_VS (string_a, string_b) result (op_ne)
type(varying_string), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_ne
! Compare (/=) two varying strings
op_ne = char(string_a) /= char(string_b)
! Finish
return
end function op_ne_VS_VS
!****
elemental function op_ne_CH_VS (string_a, string_b) result (op_ne)
character(LEN=*), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_ne
! Compare (/=) a character string and a varying
! string
op_ne = string_a /= char(string_b)
! Finish
return
end function op_ne_CH_VS
!****
elemental function op_ne_VS_CH (string_a, string_b) result (op_ne)
type(varying_string), intent(in) :: string_a
character(LEN=*), intent(in) :: string_b
logical :: op_ne
! Compare (/=) a varying string and a character
! string
op_ne = char(string_a) /= string_b
! Finish
return
end function op_ne_VS_CH
!****
elemental function op_lt_VS_VS (string_a, string_b) result (op_lt)
type(varying_string), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_lt
! Compare (<) two varying strings
op_lt = char(string_a) < char(string_b)
! Finish
return
end function op_lt_VS_VS
!****
elemental function op_lt_CH_VS (string_a, string_b) result (op_lt)
character(LEN=*), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_lt
! Compare (<) a character string and a varying
! string
op_lt = string_a < char(string_b)
! Finish
return
end function op_lt_CH_VS
!****
elemental function op_lt_VS_CH (string_a, string_b) result (op_lt)
type(varying_string), intent(in) :: string_a
character(LEN=*), intent(in) :: string_b
logical :: op_lt
! Compare (<) a varying string and a character
! string
op_lt = char(string_a) < string_b
! Finish
return
end function op_lt_VS_CH
!****
elemental function op_le_VS_VS (string_a, string_b) result (op_le)
type(varying_string), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_le
! Compare (<=) two varying strings
op_le = char(string_a) <= char(string_b)
! Finish
return
end function op_le_VS_VS
!****
elemental function op_le_CH_VS (string_a, string_b) result (op_le)
character(LEN=*), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_le
! Compare (<=) a character string and a varying
! string
op_le = string_a <= char(string_b)
! Finish
return
end function op_le_CH_VS
!****
elemental function op_le_VS_CH (string_a, string_b) result (op_le)
type(varying_string), intent(in) :: string_a
character(LEN=*), intent(in) :: string_b
logical :: op_le
! Compare (<=) a varying string and a character
! string
op_le = char(string_a) <= string_b
! Finish
return
end function op_le_VS_CH
!****
elemental function op_ge_VS_VS (string_a, string_b) result (op_ge)
type(varying_string), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_ge
! Compare (>=) two varying strings
op_ge = char(string_a) >= char(string_b)
! Finish
return
end function op_ge_VS_VS
!****
elemental function op_ge_CH_VS (string_a, string_b) result (op_ge)
character(LEN=*), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_ge
! Compare (>=) a character string and a varying
! string
op_ge = string_a >= char(string_b)
! Finish
return
end function op_ge_CH_VS
!****
elemental function op_ge_VS_CH (string_a, string_b) result (op_ge)
type(varying_string), intent(in) :: string_a
character(LEN=*), intent(in) :: string_b
logical :: op_ge
! Compare (>=) a varying string and a character
! string
op_ge = char(string_a) >= string_b
! Finish
return
end function op_ge_VS_CH
!****
elemental function op_gt_VS_VS (string_a, string_b) result (op_gt)
type(varying_string), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_gt
! Compare (>) two varying strings
op_gt = char(string_a) > char(string_b)
! Finish
return
end function op_gt_VS_VS
!****
elemental function op_gt_CH_VS (string_a, string_b) result (op_gt)
character(LEN=*), intent(in) :: string_a
type(varying_string), intent(in) :: string_b
logical :: op_gt
! Compare (>) a character string and a varying
! string
op_gt = string_a > char(string_b)
! Finish
return
end function op_gt_CH_VS
!****
elemental function op_gt_VS_CH (string_a, string_b) result (op_gt)
type(varying_string), intent(in) :: string_a
character(LEN=*), intent(in) :: string_b
logical :: op_gt
! Compare (>) a varying string and a character
! string
op_gt = char(string_a) > string_b
! Finish
return
end function op_gt_VS_CH
!****
elemental function adjustl_ (string) result (adjustl_string)
type(varying_string), intent(in) :: string
type(varying_string) :: adjustl_string
! Adjust the varying string to the left
adjustl_string = ADJUSTL(CHAR(string))
! Finish
return
end function adjustl_
!****
elemental function adjustr_ (string) result (adjustr_string)
type(varying_string), intent(in) :: string
type(varying_string) :: adjustr_string
! Adjust the varying string to the right
adjustr_string = ADJUSTR(CHAR(string))
! Finish
return
end function adjustr_
!****
pure function char_auto (string) result (char_string)
type(varying_string), intent(in) :: string
character(LEN=len(string)) :: char_string
integer :: i_char
! Convert a varying string into a character string
! (automatic length)
forall(i_char = 1:len(string))
char_string(i_char:i_char) = string%chars(i_char)
end forall
! Finish
return
end function char_auto
!****
pure function char_fixed (string, length) result (char_string)
type(varying_string), intent(in) :: string
integer, intent(in) :: length
character(LEN=length) :: char_string
! Convert a varying string into a character string
! (fixed length)
char_string = char(string)
! Finish
return
end function char_fixed
!****
elemental function iachar_ (c) result (i)
type(varying_string), intent(in) :: c
integer :: i
! Get the position in the ISO 646 collating sequence
! of a varying string character
i = ICHAR(char(c))
! Finish
return
end function iachar_
!****
elemental function ichar_ (c) result (i)
type(varying_string), intent(in) :: c
integer :: i
! Get the position in the processor collating
! sequence of a varying string character
i = ICHAR(char(c))
! Finish
return
end function ichar_
!****
elemental function index_VS_VS (string, substring, back) result (i_substring)
type(varying_string), intent(in) :: string
type(varying_string), intent(in) :: substring
logical, intent(in), optional :: back
integer :: i_substring
! Get the index of a varying substring within a
! varying string
i_substring = INDEX(char(string), char(substring), back)
! Finish
return
end function index_VS_VS
!****
elemental function index_CH_VS (string, substring, back) result (i_substring)
character(LEN=*), intent(in) :: string
type(varying_string), intent(in) :: substring
logical, intent(in), optional :: back
integer :: i_substring
! Get the index of a varying substring within a
! character string
i_substring = INDEX(string, char(substring), back)
! Finish
return
end function index_CH_VS
!****
elemental function index_VS_CH (string, substring, back) result (i_substring)
type(varying_string), intent(in) :: string
character(LEN=*), intent(in) :: substring
logical, intent(in), optional :: back
integer :: i_substring
! Get the index of a character substring within a
! varying string
i_substring = INDEX(char(string), substring, back)
! Finish
return
end function index_VS_CH
!****
elemental function len_ (string) result (length)
type(varying_string), intent(in) :: string
integer :: length
! Get the length of a varying string