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a426cb89 | 1 | /* |
12471842 PL |
2 | * This file is part of PowerDNS or dnsdist. |
3 | * Copyright -- PowerDNS.COM B.V. and its contributors | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * In addition, for the avoidance of any doubt, permission is granted to | |
10 | * link this program with OpenSSL and to (re)distribute the binaries | |
11 | * produced as the result of such linking. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
21 | */ | |
870a0fe4 AT |
22 | #ifdef HAVE_CONFIG_H |
23 | #include "config.h" | |
24 | #endif | |
a7a902fb BH |
25 | #include "json.hh" |
26 | #include "namespaces.hh" | |
ce403b3d | 27 | #include "misc.hh" |
fa8fd4d2 | 28 | |
5938c49f | 29 | using json11::Json; |
283276d3 | 30 | |
5938c49f CH |
31 | int intFromJson(const Json container, const std::string& key) |
32 | { | |
33 | auto val = container[key]; | |
34 | if (val.is_number()) { | |
35 | return val.int_value(); | |
36 | } else if (val.is_string()) { | |
37 | return std::stoi(val.string_value()); | |
38 | } else { | |
39 | throw JsonException("Key '" + string(key) + "' not an Integer or not present"); | |
40 | } | |
41 | } | |
42 | ||
43 | int intFromJson(const Json container, const std::string& key, const int default_value) | |
44 | { | |
45 | auto val = container[key]; | |
46 | if (val.is_number()) { | |
47 | return val.int_value(); | |
48 | } else if (val.is_string()) { | |
1148587f CH |
49 | try { |
50 | return std::stoi(val.string_value()); | |
51 | } catch (std::out_of_range&) { | |
52 | throw JsonException("Value for key '" + string(key) + "' is out of range"); | |
53 | } | |
5938c49f CH |
54 | } else { |
55 | // TODO: check if value really isn't present | |
56 | return default_value; | |
57 | } | |
58 | } | |
59 | ||
81399d19 AT |
60 | double doubleFromJson(const Json container, const std::string& key) |
61 | { | |
62 | auto val = container[key]; | |
63 | if (val.is_number()) { | |
64 | return val.number_value(); | |
65 | } else if (val.is_string()) { | |
1148587f CH |
66 | try { |
67 | return std::stod(val.string_value()); | |
68 | } catch (std::out_of_range&) { | |
69 | throw JsonException("Value for key '" + string(key) + "' is out of range"); | |
70 | } | |
81399d19 AT |
71 | } else { |
72 | throw JsonException("Key '" + string(key) + "' not an Integer or not present"); | |
73 | } | |
74 | } | |
75 | ||
76 | double doubleFromJson(const Json container, const std::string& key, const double default_value) | |
77 | { | |
78 | auto val = container[key]; | |
79 | if (val.is_number()) { | |
80 | return val.number_value(); | |
81 | } else if (val.is_string()) { | |
82 | return std::stod(val.string_value()); | |
83 | } else { | |
84 | // TODO: check if value really isn't present | |
85 | return default_value; | |
86 | } | |
87 | } | |
88 | ||
5938c49f CH |
89 | string stringFromJson(const Json container, const std::string &key) |
90 | { | |
91 | const Json val = container[key]; | |
92 | if (val.is_string()) { | |
93 | return val.string_value(); | |
94 | } else { | |
95 | throw JsonException("Key '" + string(key) + "' not present or not a String"); | |
96 | } | |
97 | } | |
98 | ||
f6cafa5b | 99 | bool boolFromJson(const Json container, const std::string& key) |
5938c49f CH |
100 | { |
101 | auto val = container[key]; | |
102 | if (val.is_bool()) { | |
103 | return val.bool_value(); | |
5938c49f | 104 | } |
9895aa4b | 105 | throw JsonException("Key '" + string(key) + "' not present or not a Bool"); |
5938c49f CH |
106 | } |
107 | ||
f6cafa5b | 108 | bool boolFromJson(const Json container, const std::string& key, const bool default_value) |
5938c49f CH |
109 | { |
110 | auto val = container[key]; | |
111 | if (val.is_bool()) { | |
112 | return val.bool_value(); | |
d1587ceb | 113 | } |
9895aa4b | 114 | return default_value; |
d1587ceb | 115 | } |