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|
(***********************************************************************)
(* *)
(* HEVEA *)
(* *)
(* Luc Maranget, projet PARA, INRIA Rocquencourt *)
(* *)
(* Copyright 1998 Institut National de Recherche en Informatique et *)
(* Automatique. Distributed only by permission. *)
(* *)
(***********************************************************************)
open Misc
let base = Parse_opts.base_out
;;
let count = ref 0
;;
let buff = ref (Out.create_null ())
;;
let active = ref false
;;
let start () =
active := true ;
count := 0 ;
buff := Out.create_buff ()
;;
let active_stack = MyStack.create "Image.active"
let stop () =
MyStack.push active_stack !active ;
active := false
and restart () =
if MyStack.empty active_stack then
active := true
else
active := MyStack.pop active_stack
let put s = if !active then Out.put !buff s
and put_char c = if !active then Out.put_char !buff c
let tmp_name =
if Parse_opts.filter then "" else base ^ ".image.tex.new"
let open_chan () =
let chan = open_out tmp_name in
Out.to_chan chan !buff ;
buff := Out.create_chan chan
and close_chan () = Out.close !buff
let page () =
let n = !count in
if !verbose > 0 then begin
Location.print_pos ();
Printf.fprintf stderr "dump image number %d" (n+1) ;
prerr_endline ""
end ;
if n = 0 then open_chan () ;
incr count ;
put ("\n\\clearpage% page: "^string_of_int n^"\n")
;;
let dump s_open image lexbuf =
Out.put !buff s_open ;
image lexbuf
;;
let finalize check =
active := false ;
if !count > 0 then begin
close_chan() ;
if check then begin
let true_name = Filename.chop_suffix tmp_name ".new" in
if Myfiles.changed tmp_name true_name then begin
Mysys.rename tmp_name true_name ;
Misc.message
("HeVeA Warning: images may have changed, run 'imagen "^
Misc.get_image_opt ()^" "^base^"'");
true
end else begin
Mysys.remove tmp_name ;
false
end
end else
false
end else
false
|
