More linearizer work
This commit is contained in:
John Whitington
parent
ab460c0161
commit
fbf1dc069c
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@ -11,3 +11,4 @@
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._d/
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cpdf
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*.annot
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cpdflin
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@ -9,17 +9,15 @@ open Pdfutil
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open Pdfio
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(* Find the location of the cpdflin binary, either in a provided place (with
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-cpdflin), or using argv[0] or in the current directory *)
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-cpdflin), or using argv[0] or in the current directory. *)
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let find_cpdflin provided =
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match provided with
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Some x -> Some x
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| None ->
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match Sys.argv.(0) with
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"cpdf" ->
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Printf.printf "Argv no use, looking in current directory\n";
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if Sys.file_exists "cpdflin" then Some "cpdflin" else None
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| s ->
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Printf.printf "Found location from argv at %s\n%!" s;
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try
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let fullname =
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Filename.dirname s ^ Filename.dir_sep ^ "cpdflin"
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@ -35,7 +33,6 @@ let call_cpdflin cpdflin temp output best_password =
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cpdflin ^ " " ^ Filename.quote temp ^
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" \"" ^ best_password ^ "\" " ^ Filename.quote output
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in
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print_endline command;
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Sys.command command
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(* Wrap up the file reading functions to exit with code 1 when an encryption
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@ -1800,18 +1797,7 @@ let rec writing_ok outname =
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else
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outname
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let write_pdf mk_id pdf =
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if args.create_objstm && not args.keepversion
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then pdf.Pdf.minor <- max pdf.Pdf.minor 5;
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let mk_id = args.makenewid || mk_id in
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match args.out with
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| NoOutputSpecified ->
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output_pdfs =| pdf
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| File outname ->
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let outname = writing_ok outname in
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let pdf = Cpdf.recompress_pdf <| nobble pdf in
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if args.squeeze then Cpdf.squeeze pdf;
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Pdf.remove_unreferenced pdf;
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let really_write_pdf ?(encryption = None) mk_id pdf outname =
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let outname' =
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if args.linearize
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then Filename.temp_file "cpdflin" ".pdf"
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@ -1820,29 +1806,57 @@ let write_pdf mk_id pdf =
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Pdfwrite.pdf_to_file_options
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~preserve_objstm:args.preserve_objstm
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~generate_objstm:args.create_objstm
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false None mk_id pdf outname';
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false encryption mk_id pdf outname';
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if args.linearize then
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let cpdflin =
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match find_cpdflin None with
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Some x -> x
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| None -> raise (Pdf.PDFError "Could not find cpdflin")
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in
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if args.linearize then
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let code = call_cpdflin cpdflin outname' outname "" in
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let best_password = if args.owner <> "" then args.owner else args.user in
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let code = call_cpdflin cpdflin outname' outname best_password in
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begin try Sys.remove outname' with _ -> () end;
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if code > 0 then
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begin
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begin try Sys.remove outname with _ -> () end;
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raise (Pdf.PDFError "linearizer failed")
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end
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| Stdout ->
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let write_pdf ?(encryption = None) mk_id pdf =
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if args.create_objstm && not args.keepversion
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then pdf.Pdf.minor <- max pdf.Pdf.minor 5;
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let mk_id = args.makenewid || mk_id in
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match args.out with
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| NoOutputSpecified ->
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output_pdfs =| pdf
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| File outname ->
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let outname = writing_ok outname in
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begin match encryption with
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None ->
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let pdf = Cpdf.recompress_pdf <| nobble pdf in
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if args.squeeze then Cpdf.squeeze pdf;
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Pdf.remove_unreferenced pdf;
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Pdfwrite.pdf_to_channel
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~preserve_objstm:args.preserve_objstm
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~generate_objstm:args.create_objstm
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false (*FIXLIN args.linearize*) None mk_id pdf stdout;
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flush stdout (*r For Windows *)
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really_write_pdf mk_id pdf outname
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| Some _ ->
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really_write_pdf ~encryption mk_id pdf outname
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end
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| Stdout ->
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let temp = Filename.temp_file "cpdflin" ".pdf" in
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begin match encryption with
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None ->
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let pdf = Cpdf.recompress_pdf <| nobble pdf in
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if args.squeeze then Cpdf.squeeze pdf;
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Pdf.remove_unreferenced pdf;
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really_write_pdf ~encryption mk_id pdf temp;
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| Some _ ->
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really_write_pdf ~encryption mk_id pdf temp
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end;
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let temp_file = open_in_bin temp in
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try
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while true do output_char stdout (input_char temp_file) done;
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assert false
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with
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End_of_file -> flush stdout (*r For Windows *)
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let pdf_of_stdin user_pw owner_pw =
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let user_pw = Some user_pw
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@ -3408,22 +3422,7 @@ let go () =
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let newversion = if args.create_objstm then 5 else newversion in
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pdf.Pdf.minor <- max pdf.Pdf.minor newversion
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end;
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begin match args.out with
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| NoOutputSpecified ->
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error "encrypt: no output specified"
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| File outname ->
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let outname = writing_ok outname in
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Pdfwrite.pdf_to_file_options
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~preserve_objstm:args.preserve_objstm
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~generate_objstm:args.create_objstm
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(*FIXLIN args.linearize*)false (Some encryption) args.makenewid pdf outname
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| Stdout ->
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Pdfwrite.pdf_to_channel
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~preserve_objstm:args.preserve_objstm
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~generate_objstm:args.create_objstm
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(*FIXLIN args.linearize*)false (Some encryption) args.makenewid pdf stdout;
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flush stdout;
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end
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write_pdf ~encryption:(Some encryption) args.makenewid pdf
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| Some Decrypt ->
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write_pdf false (get_single_pdf args.op false)
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| Some RemoveMetadata ->
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