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cpdf-source
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First two examples out

This commit is contained in:
John Whitington 2020-01-30 16:07:40 +00:00
parent b4f8500ef5
commit d6fc80235f
1 changed files with 47 additions and 30 deletions
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77
cpdfwriteJSON.ml
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@ -11,7 +11,6 @@ let rec json_of_object fcs = function
| P.Name n -> J.String n
| P.Array objs -> J.Array (List.map (json_of_object fcs) objs)
| P.Dictionary elts ->
(* Detect contents stream object numbers for second pass *)
List.iter (function ("/Contents", P.Indirect i) -> fcs i | _ -> ()) elts;
J.Object (List.map (fun (k, v) -> (k, json_of_object fcs v)) elts)
| P.Stream {contents = (Pdf.Dictionary dict, stream)} as thestream ->
@ -21,25 +20,10 @@ let rec json_of_object fcs = function
| P.Stream _ -> J.String "error: stream with not-a-dictioary"
| P.Indirect i -> J.Number (string_of_int i)
let sof = string_of_float
let soi = string_of_int
let json_of_op = function
| O.Op_w w -> J.Array [J.String "w"]
| O.Op_J j -> J.Array [J.String "J"]
| O.Op_j j -> J.Array [J.String "j"]
| O.Op_M m -> J.Array [J.String "m"]
| O.Op_d (fl, y) ->J.Array [J.String "d"]
| O.Op_ri s -> J.Array [J.String "ri"]
| O.Op_i i -> J.Array [J.String "i"]
| O.Op_gs s -> J.Array [J.String "gs"]
| O.Op_q -> J.Array [J.String "q"]
| O.Op_Q -> J.Array [J.String "Q"]
| O.Op_cm t ->J.Array [J.String "cm"]
| O.Op_m (a, b) ->J.Array [J.String "m"]
| O.Op_l (a, b) ->J.Array [J.String "l"]
| O.Op_c (a, b, c, d, e, k) ->J.Array [J.String "c"]
| O.Op_v (a, b, c, d) ->J.Array [J.String "v"]
| O.Op_y (a, b, c, d) -> J.Array [J.String "y"]
| O.Op_h -> J.Array [J.String "h"]
| O.Op_re (a, b, c, d) -> J.Array [J.String "re"]
| O.Op_S -> J.Array [J.String "S"]
| O.Op_s -> J.Array [J.String "s"]
| O.Op_f -> J.Array [J.String "f"]
@ -54,7 +38,49 @@ let json_of_op = function
| O.Op_W' -> J.Array [J.String "W'"]
| O.Op_BT -> J.Array [J.String "BT"]
| O.Op_ET -> J.Array [J.String "ET"]
| O.Op_Tc c ->J.Array [J.String "Tc"]
| O.Op_q -> J.Array [J.String "q"]
| O.Op_Q -> J.Array [J.String "Q"]
| O.Op_h -> J.Array [J.String "h"]
| O.Op_T' -> J.Array [J.String "T'"]
| O.Op_EMC -> J.Array [J.String "EMC"]
| O.Op_BX -> J.Array [J.String "BX"]
| O.Op_EX -> J.Array [J.String "EX"]
| O.Op_re (a, b, c, d) ->
J.Array [J.Number (sof a); J.Number (sof b); J.Number (sof c); J.Number (sof d); J.String "re"]
| O.Op_k (c, m, y, k) ->
J.Array [J.Number (sof c); J.Number (sof m); J.Number (sof y); J.Number (sof k); J.String "k"]
| O.Op_m (a, b) -> J.Array [J.Number (sof a); J.Number (sof b); J.String "m"]
| O.Op_l (a, b) -> J.Array [J.Number (sof a); J.Number (sof b); J.String "l"]
| O.Op_BDC (s, obj) -> J.Array [J.String s; J.String (Pdfwrite.string_of_pdf obj); J.String "BDC"]
| O.Op_gs s -> J.Array [J.String s; J.String "gs"]
| O.Op_Do s -> J.Array [J.String s; J.String "Do"]
| O.Op_CS s -> J.Array [J.String s; J.String "CS"]
| O.Op_SCN fs -> J.Array ((List.map (fun x -> J.Number (sof x)) fs) @ [J.String "SCN"])
| O.Op_j j -> J.Array [J.Number (soi j); J.String "j"]
| O.Op_cm t ->
J.Array
[J.Number (sof t.Pdftransform.a);
J.Number (sof t.Pdftransform.b);
J.Number (sof t.Pdftransform.c);
J.Number (sof t.Pdftransform.d);
J.Number (sof t.Pdftransform.e);
J.Number (sof t.Pdftransform.f);
J.String "cm"]
| O.Op_d (fl, y) ->
J.Array [J.Array (List.map (fun x -> J.Number (sof x)) fl); J.Number (sof y); J.String "d"]
| _ -> J.Array [J.String "UNIMPLEMENTED"]
(* | O.Op_w w -> J.Array [J.String "w"]
| O.Op_J j -> J.Array [J.String "J"]
| O.Op_M m -> J.Array [J.String "m"]
| O.Op_ri s -> J.Array [J.String "ri"]
| O.Op_i i -> J.Array [J.String "i"]
| O.Op_c (a, b, c, d, e, k) ->J.Array [J.String "c"]
| O.Op_v (a, b, c, d) ->J.Array [J.String "v"]
| O.Op_y (a, b, c, d) -> J.Array [J.String "y"]
| O.Op_Tc c -> J.Array [J.String "Tc"]
| O.Op_Tw w -> J.Array [J.String "Tw"]
| O.Op_Tz z -> J.Array [J.String "Tz"]
| O.Op_TL l -> J.Array [J.String "TL"]
@ -64,18 +90,15 @@ let json_of_op = function
| O.Op_Td (k, k') ->J.Array [J.String "Td"]
| O.Op_TD (k, k') ->J.Array [J.String "TD"]
| O.Op_Tm t ->J.Array [J.String "Tm"]
| O.Op_T' -> J.Array [J.String "T'"]
| O.Op_Tj s -> J.Array [J.String "Tj"]
| O.Op_TJ pdfobject -> J.Array [J.String "TJ"]
| O.Op_' s -> J.Array [J.String "'"]
| O.Op_'' (k, k', s) -> J.Array [J.String "''"]
| O.Op_d0 (k, k') ->J.Array [J.String "d0"]
| O.Op_d1 (a, b, c, d, e, k) ->J.Array [J.String "d1"]
| O.Op_CS s -> J.Array [J.String "CS"]
| O.Op_cs s -> J.Array [J.String "cs"]
| O.Op_SC fs -> J.Array [J.String "SC"]
| O.Op_sc fs -> J.Array [J.String "sc"]
| O.Op_SCN fs -> J.Array [J.String "SCN"]
| O.Op_scn fs -> J.Array [J.String "scn"]
| O.Op_SCNName (s, fs) ->J.Array [J.String "SCNName"]
| O.Op_scnName (s, fs) ->J.Array [J.String "scnName"]
@ -84,18 +107,12 @@ let json_of_op = function
| O.Op_RG (r, g, b) ->J.Array [J.String "RG"]
| O.Op_rg (r, g, b) ->J.Array [J.String "rg"]
| O.Op_K (c, m, y, k) ->J.Array [J.String "K"]
| O.Op_k (c, m, y, k) ->J.Array [J.String "k"]
| O.Op_sh s -> J.Array [J.String "sh"]
| O.InlineImage (dict, data) -> J.Array [J.String "InlineImage"]
| O.Op_Do s -> J.Array [J.String "Do"]
| O.Op_MP s -> J.Array [J.String "MP"]
| O.Op_DP (s, obj) ->J.Array [J.String "DP"]
| O.Op_BMC s -> J.Array [J.String "BMC"]
| O.Op_BDC (s, obj) ->J.Array [J.String "BDC"]
| O.Op_EMC -> J.Array [J.String "EMC"]
| O.Op_BX -> J.Array [J.String "BX"]
| O.Op_EX ->J.Array [J.String "EX"]
| O.Op_Unknown _ ->J.Array [J.String "Unknown"]
| O.Op_Unknown _ ->J.Array [J.String "Unknown"] *)
let parse_content_stream str =
let ops = Pdfops.parse_stream (Pdf.empty ()) (Pdf.Dictionary []) [Pdfio.bytes_of_string str] in