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! Copyright (c) 2020 Jeffrey Armstrong <jeff@rainbow-100.com>
!
! Permission is hereby granted, free of charge, to any person obtaining a copy
! of this software and associated documentation files (the "Software"), to deal
! in the Software without restriction, including without limitation the rights
! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
! copies of the Software, and to permit persons to whom the Software is
! furnished to do so, subject to the following conditions:
!
! The above copyright notice and this permission notice shall be included in
! all copies or substantial portions of the Software.
!
! The Software shall be used for Good, not Evil.
!
! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
! SOFTWARE.
module internal_links
implicit none
private
public::internal_url, handle_internal_url
character(*), parameter::internal_url = "lr87://"
contains
function handle_internal_url(url, unit_number, faves)
use favorite_handling
implicit none
character(*), intent(in)::url
integer, intent(in)::unit_number
type(favorite), dimension(:), pointer, intent(inout)::faves
logical::handle_internal_url
character(80)::requested_operation
handle_internal_url = .false.
requested_operation = url(len(internal_url)+1:len_trim(url))
if(trim(requested_operation) == "menu") then
call handle_menu(unit_number)
handle_internal_url = .true.
else if(trim(requested_operation) == "about") then
call handle_about(unit_number)
handle_internal_url = .true.
else if(index(requested_operation, "favorites") == 1) then
call handle_favorites(unit_number, trim(requested_operation), faves)
handle_internal_url = .true.
#ifdef WINDOWS
else if(index(requested_operation, "home") == 1) then
call handle_home(unit_number)
handle_internal_url = .true.
#endif
end if
end function handle_internal_url
subroutine write_no_space(unit_number, string)
implicit none
character(*), intent(in)::string
integer, intent(in)::unit_number
character(10)::f
integer::string_length
string_length = len_trim(string)
if(string_length < 10) then
write(f, "(A2,I1,A1)") '(A', string_length,')'
else if(string_length < 100) then
write(f, "(A2,I2,A1)") '(A', string_length,')'
else
write(f, "(A2,I3,A1)") '(A', string_length,')'
end if
write(unit_number, f) string
end subroutine write_no_space
subroutine write_nonsense_status(unit_number)
implicit none
integer, intent(in)::unit_number
rewind(unit_number)
write(unit_number, '(I2, 1X, A11)') 20, "text/gemini"
write(unit_number, *)
end subroutine write_nonsense_status
subroutine write_header(unit_number, title)
implicit none
character(*), intent(in)::title
integer, intent(in)::unit_number
call write_nonsense_status(unit_number)
call write_no_space(unit_number, "# "//trim(title))
#ifdef WINDOWS
write(unit_number, *)
call write_no_space(unit_number, "=> lr87://home Start Page")
#endif
write(unit_number, *)
call write_no_space(unit_number, "=> lr87://favorites/date/newest Favorites Sorted by Date (Newest First)")
call write_no_space(unit_number, "=> lr87://favorites/date/oldest Favorites Sorted by Date (Oldest First)")
call write_no_space(unit_number, "=> lr87://favorites/alpha/ascending Favorites Sorted Alphabetically Ascending")
call write_no_space(unit_number, "=> lr87://favorites/alpha/descending Favorites Sorted Alphabetically Descending")
write(unit_number, *)
call write_no_space(unit_number, "=> lr87://about About LR-87")
write(unit_number, *)
end subroutine write_header
subroutine handle_menu(unit_number)
implicit none
integer, intent(in)::unit_number
call write_header(unit_number, "Main Menu")
end subroutine handle_menu
subroutine handle_about(unit_number)
use file_handling, only: end_indicator
implicit none
integer, intent(in)::unit_number
call write_header(unit_number, "About")
call write_no_space(unit_number, "## LR-87 - A Gemini Browser Written in Fortran")
call write_no_space(unit_number, "Copyright 2020, 2021 Jeffrey Armstrong")
call write_no_space(unit_number, "=> http://git.rainbow-100.com/cgit.cgi/LR-87/about/ LR-87 Web Home Page")
call write_no_space(unit_number, "=> gemini://rainbow-100.com/software/lr87.gmi LR-87 Gemini Home Page")
write(unit_number, *)
call write_no_space(unit_number, "LR-87 uses the following technologies:")
write(unit_number, *)
call write_no_space(unit_number, "* OpenSSL from The OpenSSL Project")
call write_no_space(unit_number, "* AppGraphics from Approximatrix, LLC on Windows")
write(unit_number, *)
call write_no_space(unit_number, "### License")
call write_no_space(unit_number, "Permission is hereby granted, free of charge, to any "//&
"person obtaining a copy of this software and associated "//&
'documentation files (the "Software"), to deal in the '//&
"Software without restriction, including without limitation "//&
"the rights to use, copy, modify, merge, publish, distribute, "//&
"sublicense, and/or sell copies of the Software, and to "//&
"permit persons to whom the Software is furnished to do so, "//&
"subject to the following conditions:")
write(unit_number, *)
call write_no_space(unit_number, "The above copyright notice and this permission notice shall "//&
"be included in all copies or substantial portions of the Software.")
write(unit_number, *)
call write_no_space(unit_number, "The Software shall be used for Good, not Evil.")
write(unit_number, *)
call write_no_space(unit_number, 'THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, '//&
"EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES "//&
"OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND "//&
"NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT "//&
"HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, "//&
"WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING "//&
"FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR "//&
"OTHER DEALINGS IN THE SOFTWARE. ")
write(unit_number, *)
call write_no_space(unit_number, end_indicator)
end subroutine handle_about
subroutine handle_favorites(unit_number, op, faves)
use favorite_handling
use file_handling, only: end_indicator
implicit none
character(*), intent(in)::op
integer, intent(in)::unit_number
type(favorite), dimension(:), pointer, intent(inout)::faves
call write_header(unit_number, "Favorites")
if(.not. associated(faves)) then
call write_no_space(unit_number, "You currently have no favorites saved.")
! Alpha sort
else
if(index(op, "alpha") > 1) then
call sort_alpha(faves, index(op, "descending") > 1)
! Date sort
else
call sort_added(faves, index(op, "latest") > 1)
end if
call write_favorites(unit_number, faves, skip_heading=.true.)
end if
call write_no_space(unit_number, end_indicator)
end subroutine handle_favorites
subroutine handle_home(unit_number)
implicit none
integer, intent(in)::unit_number
call write_nonsense_status(unit_number)
call write_no_space(unit_number, "# A Gemini Browser Written in Simply Fortran")
write(unit_number, *)
call write_no_space(unit_number, "LR-87 is a browser for the Gemini protocol, which is similar to the World Wide "// &
"Web, only smaller and simpler. This browser implements the much of the Gemini "// &
"protocol, including browsing and user input. On Microsoft Windows, the LR-87 "// &
"browser uses Simply Fortran's AppGraphics package for all rendering.")
write(unit_number, *)
call write_no_space(unit_number, "Simply Fortran is a full-featured integrated development environment for the "// &
"Fortran programming language. It includes a complete, pre-configured Fortran " // &
"compiler and tool suite in addition to the development environment, meaning there "// &
"is nothing else for the user to configure and install. Included with the package "// &
"is the AppGraphics library, which enables the creation of full-featured graphical "// &
"user interfaces written entirely in Fortran. If you'd like to learn more about "// &
"Simply Fortran, click the link below (which will open a web browser):")
write(unit_number, *)
call write_no_space(unit_number, "=> https://simplyfortran.com/?platform=windows Simply Fortran Home Page")
write(unit_number, *)
call write_no_space(unit_number, "## Sites to See in Gemini Space")
write(unit_number, *)
call write_no_space(unit_number, "=> gemini://medusae.space/ medusae.space Directory - "//&
"a categorized directory of Gemini sites")
call write_no_space(unit_number, "=> gemini://geminispace.info/ Gemini Search Engine - search all sites in Gemini")
call write_no_space(unit_number, "=> gemini://rawtext.club:1965/~sloum/spacewalk.gmi Spacewalk - "// &
"a list of recently updated Gemini sites")
call write_no_space(unit_number, "=> gemini://rainbow-100.com/software/lr87.gmi LR-87 Site - "// &
"the primary home of the LR-87 browser")
call write_no_space(unit_number, "=> gemini://gemini.circumlunar.space/ More About the Gemini Protocol")
call write_no_space(unit_number, "=> lr87://about More About the LR-87 Gemini browser")
end subroutine handle_home
end module internal_links
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