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open Format_
let css =
{|
.box {
border: 2px solid black;
display: inline-block;
font-family: courier;
margin: 0;
padding: 4px;
}
.box:hover {
border-color: red;
}
.name {
font-family: arial;
font-style: italic;
font-weight: lighter;
font-size: 10px;
padding: 1px;
margin: 0 0 4px 0;
}
.break {
background-color: black;
color: white;
display: inline-block;
font-size: 10px;
padding: 2px;
}
.cbreak {
background-color: purple;
}
.keyword {
background-color: yellow;
}
.if_newline {
background-color: green;
}
.break_unless_newline {
background-color: blue;
}
.fits_or_breaks {
background-color: red;
}
.tooltiptext {
visibility: hidden;
width: 120px;
background-color: black;
color: #fff;
text-align: center;
padding: 5px 0;
border-radius: 6px;
position: absolute;
z-index: 1;
}
.break:hover .tooltiptext {
visibility: visible;
}
|}
let debug = ref false
let with_box k fs =
let g = !debug in
debug := true ;
fprintf fs
{|
<html>
<head>
<style>
%s
</style>
</head>
<body>
%t
</body>
</html>
|}
css k ;
debug := g
let box_open ?name box_kind n fs =
if !debug then (
let name =
match name with
| Some s -> sprintf "%s:%s" box_kind s
| None -> box_kind
in
let name = if n = 0 then name else sprintf "%s(%d)" name n in
open_vbox 0 ;
fprintf fs "<div class=\"box\">" ;
pp_print_break fs 1 2 ;
fprintf fs "<p class=\"name\">%s</p>" name ;
pp_print_break fs 1 2 )
let box_close fs =
if !debug then (
pp_close_box fs () ; pp_print_break fs 0 0 ; fprintf fs "</div>" )
let break fs n o =
if !debug then
fprintf fs
"<div class=\"break\">(%i,%i)<span class=\"tooltiptext\">break %i \
%i</span></div>"
n o n o
let pp_keyword fs s = fprintf fs "<span class=\"keyword\">%s</span>" s
let _pp_format_lit fs =
let open CamlinternalFormatBasics in
function
| Close_box -> pp_keyword fs "@]"
| Close_tag -> pp_keyword fs "@}"
| Break (str, _, _) -> pp_keyword fs str
| FFlush -> pp_keyword fs "@?"
| Force_newline -> pp_keyword fs "@\\n"
| Flush_newline -> pp_keyword fs "@."
| Magic_size (str, _) -> pp_keyword fs str
| Escaped_at -> fprintf fs "@@"
| Escaped_percent -> fprintf fs "@@%%"
| Scan_indic c -> pp_keyword fs ("@" ^ String.make 1 c)
let rec _format_string :
type a b c d e f.
_ -> (a, b, c, d, e, f) CamlinternalFormatBasics.fmt -> unit =
let open CamlinternalFormatBasics in
fun fs -> function
| String_literal (s, tl) -> fprintf fs "%s%a" s _format_string tl
| Char_literal (c, tl) -> fprintf fs "%c%a" c _format_string tl
| Formatting_lit (lit, tl) ->
fprintf fs "%a%a" _pp_format_lit lit _format_string tl
| Formatting_gen (Open_box (Format (n, _)), tl) ->
pp_keyword fs "@[" ; _format_string fs n ; _format_string fs tl
| Formatting_gen (Open_tag (Format (n, _)), tl) ->
pp_keyword fs "@{" ; _format_string fs n ; _format_string fs tl
| End_of_format -> ()
| _ -> pp_keyword fs "??"
(** Returns a boolean to signal the caller not to render the format string
again. *)
let fmt fs f =
let open CamlinternalFormatBasics in
if !debug then (
let (Format (fmt, _)) = f in
_format_string fs fmt ; true )
else false
let cbreak fs ~fits:(s1, i, s2) ~breaks:(s3, j, s4) =
if !debug then
fprintf fs
"<div class=\"break cbreak\">(%s,%i,%s) (%s,%i,%s)<span \
class=\"tooltiptext\">cbreak ~fits:(%S, %i, %S) ~breaks:(%S, %i, \
%S)</span></div>"
s1 i s2 s3 j s4 s1 i s2 s3 j s4
let if_newline fs s =
if !debug then
fprintf fs
"<div class=\"break if_newline\">(%s)<span \
class=\"tooltiptext\">if_newline %S</span></div>"
s s
let break_unless_newline fs n o =
if !debug then
fprintf fs
"<div class=\"break break_unless_newline\">(%i,%i)<span \
class=\"tooltiptext\">break_unless_newline %i %i</span></div>"
n o n o
let fits_or_breaks fs fits n o breaks =
if !debug then
fprintf fs
"<div class=\"break fits_or_breaks\">(%s,%i,%i,%s)<span \
class=\"tooltiptext\">fits_or_breaks %S %i %i %S</span></div>"
fits n o breaks fits n o breaks