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cpdf-source
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Calling out to linearizer

This commit is contained in:
John Whitington 2014-10-02 11:47:11 +01:00
parent f6329ae1d1
commit ab460c0161
1 changed files with 30 additions and 11 deletions
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41
cpdfcommand.ml
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@ -28,14 +28,15 @@ let find_cpdflin provided =
with
_ -> None
let _ =
let cpdflin =
(match find_cpdflin None with
None -> "none"
| Some x -> x)
(* Call cpdflin, given the (temp) input name, the output name, and the location
of the cpdflin binary. Returns the exit code. *)
let call_cpdflin cpdflin temp output best_password =
let command =
cpdflin ^ " " ^ Filename.quote temp ^
" \"" ^ best_password ^ "\" " ^ Filename.quote output
in
print_endline cpdflin;
Sys.command cpdflin
print_endline command;
Sys.command command
(* Wrap up the file reading functions to exit with code 1 when an encryption
problem occurs. This happens when object streams are in an encrypted document
@ -1811,10 +1812,28 @@ let write_pdf mk_id pdf =
let pdf = Cpdf.recompress_pdf <| nobble pdf in
if args.squeeze then Cpdf.squeeze pdf;
Pdf.remove_unreferenced pdf;
Pdfwrite.pdf_to_file_options
~preserve_objstm:args.preserve_objstm
~generate_objstm:args.create_objstm
false (*FIXLIN args.linearize*) None mk_id pdf outname
let outname' =
if args.linearize
then Filename.temp_file "cpdflin" ".pdf"
else outname
in
Pdfwrite.pdf_to_file_options
~preserve_objstm:args.preserve_objstm
~generate_objstm:args.create_objstm
false None mk_id pdf outname';
let cpdflin =
match find_cpdflin None with
Some x -> x
| None -> raise (Pdf.PDFError "Could not find cpdflin")
in
if args.linearize then
let code = call_cpdflin cpdflin outname' outname "" in
begin try Sys.remove outname' with _ -> () end;
if code > 0 then
begin
begin try Sys.remove outname with _ -> () end;
raise (Pdf.PDFError "linearizer failed")
end
| Stdout ->
let pdf = Cpdf.recompress_pdf <| nobble pdf in
if args.squeeze then Cpdf.squeeze pdf;