fastrefnums

This commit is contained in:
John Whitington 2017-05-29 14:39:01 +01:00
parent 13c259ab2e
commit 8ad91fcf5e
2 changed files with 14 additions and 9 deletions

17
cpdf.ml
View File

@ -932,19 +932,20 @@ let read_lines input =
(* Verify a list of bookmarks. Positive jumps of > 1 not allowed, no numbers
smaller than 0. *)
let rec verify_bookmarks pdf lastlevel refnums endpage = function
let rec verify_bookmarks pdf lastlevel fastrefnums endpage = function
| [] -> true
| {Pdfmarks.level = level; Pdfmarks.target = target}::more ->
let page = Pdfpage.pagenumber_of_target pdf ~refnums target in
let page = Pdfpage.pagenumber_of_target pdf ~fastrefnums target in
level < lastlevel + 2 &&
level >= 0 &&
page <= endpage &&
page >= 0 &&
verify_bookmarks pdf level refnums endpage more
verify_bookmarks pdf level fastrefnums endpage more
let verify_bookmarks pdf lastlevel endpage marks =
let refnums = Pdf.page_reference_numbers pdf in
verify_bookmarks pdf lastlevel refnums endpage marks
let fastrefnums = hashtable_of_dictionary (combine refnums (indx refnums)) in
verify_bookmarks pdf lastlevel fastrefnums endpage marks
(* Parse a line of the bookmarks file. *)
@ -1216,7 +1217,7 @@ let list_bookmarks encoding range pdf output =
(Printf.sprintf "%i \"%s\" %i %s\n"
mark.Pdfmarks.level
(process_string mark.Pdfmarks.text)
(Pdfpage.pagenumber_of_target ~refnums pdf mark.Pdfmarks.target)
(Pdfpage.pagenumber_of_target ~fastrefnums pdf mark.Pdfmarks.target)
(if mark.Pdfmarks.isopen then "open" else "")))
inrange
@ -1242,7 +1243,8 @@ let remove_unsafe_characters s =
let get_bookmark_name pdf marks splitlevel n _ =
let refnums = Pdf.page_reference_numbers pdf in
match keep (function m -> n = Pdfpage.pagenumber_of_target ~refnums pdf m.Pdfmarks.target && m.Pdfmarks.level <= splitlevel) marks with
let fastrefnums = hashtable_of_dictionary (combine refnums (indx refnums)) in
match keep (function m -> n = Pdfpage.pagenumber_of_target ~fastrefnums pdf m.Pdfmarks.target && m.Pdfmarks.level <= splitlevel) marks with
| {Pdfmarks.text = title}::_ -> remove_unsafe_characters title
| _ -> ""
@ -1287,9 +1289,10 @@ let stem s =
(* Return list, in order, a *set* of page numbers of bookmarks at a given level *)
let bookmark_pages level pdf =
let refnums = Pdf.page_reference_numbers pdf in
let fastrefnums = hashtable_of_dictionary (combine refnums (indx refnums)) in
setify_preserving_order
(option_map
(function l when l.Pdfmarks.level = level -> Some (Pdfpage.pagenumber_of_target ~refnums pdf l.Pdfmarks.target) | _ -> None)
(function l when l.Pdfmarks.level = level -> Some (Pdfpage.pagenumber_of_target ~fastrefnums pdf l.Pdfmarks.target) | _ -> None)
(Pdfmarks.read_bookmarks pdf))
(* Called from cpdflib.ml - different from above *)

View File

@ -2341,7 +2341,8 @@ let remove_unsafe_characters s =
let get_bookmark_name pdf marks splitlevel n _ =
let refnums = Pdf.page_reference_numbers pdf in
match keep (function m -> n = Pdfpage.pagenumber_of_target ~refnums pdf m.Pdfmarks.target && m.Pdfmarks.level <= splitlevel) marks with
let fastrefnums = hashtable_of_dictionary (combine refnums (indx refnums)) in
match keep (function m -> n = Pdfpage.pagenumber_of_target ~fastrefnums pdf m.Pdfmarks.target && m.Pdfmarks.level <= splitlevel) marks with
| {Pdfmarks.text = title}::_ -> remove_unsafe_characters title
| _ -> ""
@ -2408,11 +2409,12 @@ let fast_write_split_pdfs
(* Return list, in order, a *set* of page numbers of bookmarks at a given level *)
let bookmark_pages level pdf =
let refnums = Pdf.page_reference_numbers pdf in
let fastrefnums = hashtable_of_dictionary (combine refnums (indx refnums)) in
setify_preserving_order
(option_map
(function
l when l.Pdfmarks.level = level ->
Some (Pdfpage.pagenumber_of_target ~refnums pdf l.Pdfmarks.target)
Some (Pdfpage.pagenumber_of_target ~fastrefnums pdf l.Pdfmarks.target)
| _ -> None)
(Pdfmarks.read_bookmarks pdf))