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! Copyright (c) 2022 Approximatrix, LLC <support@approximatrix.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 fpoint_pptxzip
use fpoint_pptxml
implicit none
private
public::pptxtracted
type :: pptxtracted
character(len=2048)::directory
character(len=2048), dimension(:), pointer::slide_paths
character(len=2048), dimension(:), pointer::note_paths
type(slide), dimension(:), pointer::slides
type(slide), dimension(:), pointer::notes
integer, dimension(:), pointer::slide_note_indices
contains
procedure :: open => pptx_open
procedure :: close => pptx_close
procedure :: parse => pptx_parse
procedure :: to_text => pptx_to_text
procedure :: slide_has_notes
procedure :: slide_count
procedure :: get_notes => slide_get_notes
procedure :: has_notes => pptx_has_notes
end type pptxtracted
contains
function pptx_has_notes(self)
implicit none
class(pptxtracted), intent(in)::self
logical::pptx_has_notes
if(.not. associated(self%slide_note_indices)) then
pptx_has_notes = .false.
else
pptx_has_notes = (count(self%slide_note_indices > 0) > 0)
end if
end function pptx_has_notes
function slide_has_notes(self, i)
implicit none
class(pptxtracted), intent(in)::self
integer, intent(in)::i
logical::slide_has_notes
if(i > size(self%note_paths) .or. i < 1) then
slide_has_notes = .false.
else
slide_has_notes = (len_trim(self%note_paths(i)) > 0)
end if
end function slide_has_notes
function slide_get_notes(self, i, success)
implicit none
class(pptxtracted), intent(in)::self
integer, intent(in)::i
logical, intent(out), optional::success
type(slide)::slide_get_notes
integer::j
if(self%slide_has_notes(i)) then
j = self%slide_note_indices(i)
slide_get_notes = self%notes(j)
if(present(success)) then
success = .true.
end if
else if(present(success)) then
success = .false.
end if
end function slide_get_notes
function slide_count(self)
implicit none
class(pptxtracted), intent(in)::self
integer::slide_count
if(associated(self%slide_paths)) then
slide_count = size(self%slide_paths)
else
slide_count = 0
end if
end function slide_count
function pptx_open(self, filename) result(res)
use fpoint_fsutil
use m_unzip, only: unzip
implicit none
logical::res
class(pptxtracted), intent(out)::self
character(len=*), intent(in)::filename
integer::i, slidecount, j
character(len=2048)::slidedir, slidecheck, notesdir
character(len=4)::numtext
logical::existence
call get_temporary_directory(self%directory)
i = index(filename, pathsep, back=.true.) + 1
call append_to_path(self%directory, filename(i:len_trim(filename))//".extracted")
call make_directory(trim(self%directory))
! Extract the file into said directory
res = unzip(filename, trim(self%directory))
! Count slides
slidedir = self%directory
call append_to_path(slidedir, 'ppt')
call append_to_path(slidedir, 'slides')
do i = 1, 512
slidecheck = slidedir
write(numtext, '(I4)') i
call append_to_path(slidecheck, "slide"//trim(adjustl(numtext))//".xml")
inquire(file=slidecheck, exist=existence)
if(.not. existence) then
exit
end if
end do
slidecount = i - 1
allocate(self%slide_paths(slidecount))
self%slide_paths = slidedir
do i = 1, slidecount
write(numtext, '(I4)') i
call append_to_path(self%slide_paths(i), "slide"//trim(adjustl(numtext))//".xml")
end do
! Now check for notes
allocate(self%slide_note_indices(slidecount))
self%slide_note_indices = -1
j = 1
notesdir = self%directory
call append_to_path(notesdir, 'ppt')
call append_to_path(notesdir, 'notesSlides')
allocate(self%note_paths(slidecount))
self%note_paths = notesdir
do i = 1, slidecount
write(numtext, '(I4)') i
call append_to_path(self%note_paths(i), "notesSlide"//trim(adjustl(numtext))//".xml")
inquire(file=self%note_paths(i), exist=existence)
if(.not. existence) then
self%note_paths(i) = " "
else
self%slide_note_indices(i) = j
j = j + 1
end if
end do
! These should only be explicitly parsed
self%slides => null()
self%notes => null()
end function pptx_open
subroutine pptx_close(self)
implicit none
class(pptxtracted), intent(inout)::self
! Delete directory tree at self%directory
deallocate(self%slide_paths)
self%slide_paths => null()
deallocate(self%note_paths)
self%note_paths => null()
self%directory = " "
end subroutine pptx_close
subroutine pptx_parse(self)
use fpoint_pptxml
implicit none
class(pptxtracted), intent(inout)::self
integer::i, j
allocate(self%slides(self%slide_count()))
allocate(self%notes(count(self%slide_note_indices > 0)))
do i = 1, self%slide_count()
call self%slides(i)%load(self%slide_paths(i))
if(self%slide_has_notes(i)) then
j = self%slide_note_indices(i)
call self%notes(j)%load(self%note_paths(i), title=self%slides(i)%title)
end if
end do
end subroutine pptx_parse
function pptx_to_text(self, notes_only) result(t)
use fpoint_pptxml
implicit none
class(pptxtracted), intent(in)::self
logical, intent(in), optional::notes_only
integer::text_length
character(len=:), pointer::t, tmp
integer::i
type(slide)::one_note
logical::local_notes
t => null()
local_notes = .false.
if(present(notes_only)) then
local_notes = notes_only
end if
if(self%slide_count() > 0 .and. associated(self%slides)) then
text_length = 0
do i = 1, self%slide_count()
if(local_notes .and. self%slide_has_notes(i)) then
one_note = self%get_notes(i)
text_length = text_length + one_note%text_length()
else if(.not. local_notes) then
text_length = text_length + self%slides(i)%text_length()
end if
end do
allocate(character(len=text_length) :: t)
text_length = 1
do i = 1, self%slide_count()
tmp => null()
if(local_notes .and. self%slide_has_notes(i)) then
one_note = self%get_notes(i)
tmp => one_note%to_text()
else if(.not. local_notes) then
tmp => self%slides(i)%to_text()
end if
if(associated(tmp)) then
t(text_length:len(t)) = trim(tmp)
text_length = text_length + len_trim(tmp)
deallocate(tmp)
end if
end do
end if
end function pptx_to_text
end module fpoint_pptxzip
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