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Used of cpdfcommand as a service with -stay-on-error

This commit is contained in:
John Whitington 2015-01-11 18:39:35 +00:00
parent d45df220d4
commit cacc55c2bf
1 changed files with 23 additions and 12 deletions
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23
cpdfcommand.ml
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@ -39,16 +39,20 @@ let _ =
set_binary_mode_in stdin true;
set_binary_mode_out stdout true
let stay_on_error = ref false
exception StayOnError
(* Fatal error reporting. *)
let error s =
prerr_string (s ^ "\nUse -help for help.\n");
flush stderr;
exit 2
if not !stay_on_error then exit 2 else raise StayOnError
let soft_error s =
Printf.eprintf "%s\n" s;
flush stderr;
exit 1
if not !stay_on_error then exit 1 else raise StayOnError
let parse_pagespec pdf spec =
try Cpdf.parse_pagespec pdf spec with
@ -1331,6 +1335,9 @@ let logto = ref None
let setsqueezelogto s =
logto := Some s
let setstayonerror () =
set stay_on_error
(* Parse a control file, make an argv, and then make Arg parse it. *)
let rec make_control_argv_and_parse filename =
control_args := !control_args @ parse_control_file filename
@ -1835,6 +1842,7 @@ and specs =
Arg.String setremovedictentry,
" Remove an entry from all dictionaries");
(*These items are undocumented *)
("-stay-on-error", Arg.Unit setstayonerror, "");
("-extract-fontfile", Arg.Unit (setop ExtractFontFile), "");
("-extract-images", Arg.Unit setextractimages, "");
("-csp1", Arg.Unit (setop CSP1), "");
@ -1894,7 +1902,7 @@ let get_pdf_from_input_kind ((_, _, u, o, _, revision) as input) op = function
begin
let size = filesize s in
initial_file_size := size;
Printf.printf "Initial file size is %i bytes\n" size
if !logto = None then Printf.printf "Initial file size is %i bytes\n" size
end;
begin try Hashtbl.find filenames s with
Not_found ->
@ -2010,6 +2018,7 @@ let really_write_pdf ?(encryption = None) ?(is_decompress=false) mk_id pdf outna
end;
if args.squeeze then
let s = filesize outname in
if !logto = None then
Printf.printf
"Final file size is %i bytes, %.2f%% of original.\n"
s
@ -3664,21 +3673,23 @@ let go_withargv argv =
prerr_string
(implode (takewhile (neq '\n') (explode s)) ^ " Use -help for help.\n\n");
flush stderr;
exit 2
if not !stay_on_error then exit 2
| Arg.Help _ ->
Arg.usage (align_specs specs) usage_msg;
flush stderr (*r for Windows *)
| Sys_error s as e ->
prerr_string (s ^ "\n\n");
flush stderr;
if not !stay_on_error then
if args.debug then raise e else exit 2
| Pdf.PDFError s as e ->
prerr_string
("cpdf encountered an error. Technical details follow:\n\n" ^ s ^ "\n\n");
flush stderr;
if not !stay_on_error then
if args.debug then raise e else exit 2
| Cpdf.SoftError s -> soft_error s
| Cpdf.HardError s -> error s
| Cpdf.SoftError s -> try soft_error s with StayOnError -> ()
| Cpdf.HardError s -> try error s with StayOnError -> ()
| e ->
prerr_string
("cpdf encountered an unexpected error. Technical Details follow:\n" ^