1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
(** arch-tag: main config parser file
Copyright (C) 2004 John Goerzen
<jgoerzen@complete.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
module Cptypes = ConfigParser_types;;
open Cptypes;;
open Hashtbl;;
open Hashtblutil;;
open Hashtbloper;;
open ConfigParser_interp;;
exception DuplicateSectionError;;
exception InvalidBool of string;;
let process_default default convfunc loadfunc =
try convfunc(loadfunc ()) with
Not_found as exc ->
match default with
None -> raise exc
| Some x -> x;;
let def default convfunc getfunc sname oname =
process_default default convfunc (fun () -> getfunc sname oname);;
class rawConfigParser =
object(self)
initializer self#add_section "DEFAULT"
val configfile = make_file ()
method private getdata sname oname = self#maingetdata sname oname
method maingetdata sname oname =
try
find (self#section_h sname) (self#optionxform oname)
with Not_found -> find (self#section_h "DEFAULT") (self#optionxform oname)
method sections = List.filter (fun x -> x <> "DEFAULT") (keys configfile)
method add_section sname =
if self#has_section sname then
raise DuplicateSectionError
else
replace configfile sname (make_section ())
method has_section sname = mem configfile sname
method private section_h sname = find configfile sname
method options sname = keys (self#section_h sname)
method has_option sname oname = let o = self#optionxform oname in
(self#has_section sname) && mem (self#section_h sname) o
method readfile filename =
let ichan = open_in filename in
self#readchan ichan;
close_in ichan
method readchan ichan =
let ast = ConfigParser_runparser.parse_channel ichan in
convert_list_file configfile self#optionxform ast
method readstring istring =
let ast = ConfigParser_runparser.parse_string istring in
convert_list_file configfile self#optionxform ast
method get ?default =
def default (fun x -> x) (self#getdata)
method getint ?default =
def default int_of_string (self#getdata)
method getfloat ?default =
def default float_of_string (self#getdata)
method private getbool_isyes value =
List.mem (String.lowercase value) ["1"; "yes"; "true"; "on"; "enabled"]
method private getbool_isno value =
List.mem (String.lowercase value) ["0"; "no"; "false"; "off"; "disabled"]
method private bool_of_string v =
if self#getbool_isyes v then true else
if self#getbool_isno v then false else
raise (InvalidBool v)
method getbool ?default =
def default self#bool_of_string (self#getdata)
method items sname = items (self#section_h sname)
method set sname oname value =
let s = self#section_h sname in
replace s (self#optionxform oname) value
method to_string = string_of_file configfile
method writefile filename =
let ochan = open_out filename in
self#writechan ochan;
close_out ochan
method writechan ochan = output_string ochan (self#to_string)
method remove_option sname oname =
if self#has_option sname oname then
(remove (self#section_h sname) (self#optionxform oname); true)
else false
method remove_section sname =
if (sname != "DEFAULT") && self#has_section sname then
(remove configfile sname; true)
else false
method optionxform oname = String.lowercase oname
end;;
exception Interpolation_error of string;;
class configParser =
object(self)
inherit rawConfigParser as super
(*
fun ?(raw=false) ?(idepth=10) ?extravars obj sname oname ->
obj#maininterpgetdata raw idepth extravars sname oname
*)
method private getdata sname oname =
self#maininterpgetdata false 10 None sname oname
method private maininterpgetdata raw idepth extravars sname oname =
if raw then self#maingetdata sname oname else
self#getdata_interp idepth false extravars sname oname
method private getdata_interp idepth usevars extravars sname oname =
let rec realfunc idepth usevars extravars sname oname =
if idepth < 0 then raise (Interpolation_error "Interpolation depth exceeded");
let data =
let default = self#maingetdata sname oname in
match extravars with
Some x -> if usevars then
(try find x oname with Not_found -> self#maingetdata sname oname)
else default
| None -> self#maingetdata sname oname in
interpolate_string data (realfunc (idepth - 1) true extravars sname)
in realfunc idepth usevars extravars sname oname
end;;
|
