+++ /dev/null
-(******************************************************************************)
-(* *)
-(* PROJECT HELM *)
-(* *)
-(* A tactic to print Coq objects in XML *)
-(* *)
-(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
-(* 18/10/2000 *)
-(* *)
-(* This module defines a pretty-printer and the stream of commands to the pp *)
-(* *)
-(******************************************************************************)
-
-
-(* the type token for XML cdata, empty elements and not-empty elements *)
-(* Usage: *)
-(* Str cdata *)
-(* Empty (element_name, [attrname1, value1 ; ... ; attrnamen, valuen] *)
-(* NEmpty (element_name, [attrname1, value2 ; ... ; attrnamen, valuen], *)
-(* content *)
-type token = Str of string
- | Empty of string * (string * string) list
- | NEmpty of string * (string * string) list * token Stream.t
-;;
-
-(* currified versions of the constructors make the code more readable *)
-let xml_empty name attrs = [< 'Empty(name,attrs) >]
-let xml_nempty name attrs content = [< 'NEmpty(name,attrs,content) >]
-let xml_cdata str = [< 'Str str >]
-
-(* Usage: *)
-(* pp tokens None pretty prints the output on stdout *)
-(* pp tokens (Some filename) pretty prints the output on the file filename *)
-let pp strm fn =
- let channel = ref stdout in
- let rec pp_r m =
- parser
- [< 'Str a ; s >] ->
- print_spaces m ;
- fprint_string (a ^ "\n") ;
- pp_r m s
- | [< 'Empty(n,l) ; s >] ->
- print_spaces m ;
- fprint_string ("<" ^ n) ;
- List.iter (function (n,v) -> fprint_string (" " ^ n ^ "=\"" ^ v ^ "\"")) l;
- fprint_string "/>\n" ;
- pp_r m s
- | [< 'NEmpty(n,l,c) ; s >] ->
- print_spaces m ;
- fprint_string ("<" ^ n) ;
- List.iter (function (n,v) -> fprint_string (" " ^ n ^ "=\"" ^ v ^ "\"")) l;
- fprint_string ">\n" ;
- pp_r (m+1) c ;
- print_spaces m ;
- fprint_string ("</" ^ n ^ ">\n") ;
- pp_r m s
- | [< >] -> ()
- and print_spaces m =
- for i = 1 to m do fprint_string " " done
- and fprint_string str =
- output_string !channel str
- in
- match fn with
- Some filename ->
- channel := open_out filename ;
- pp_r 0 strm ;
- close_out !channel ;
- print_string ("\nWriting on file \"" ^ filename ^ "\" was succesfull\n");
- flush stdout
- | None ->
- pp_r 0 strm
-;;