/bitcoin/src/univalue/lib/univalue_get.cpp
Line | Count | Source |
1 | | // Copyright 2014 BitPay Inc. |
2 | | // Copyright 2015 Bitcoin Core Developers |
3 | | // Distributed under the MIT software license, see the accompanying |
4 | | // file COPYING or https://opensource.org/licenses/mit-license.php. |
5 | | |
6 | | #include <univalue.h> |
7 | | |
8 | | #include <cstring> |
9 | | #include <locale> |
10 | | #include <optional> |
11 | | #include <sstream> |
12 | | #include <stdexcept> |
13 | | #include <string> |
14 | | #include <vector> |
15 | | |
16 | | namespace |
17 | | { |
18 | | static bool ParsePrechecks(const std::string& str) |
19 | 0 | { |
20 | 0 | if (str.empty()) // No empty string allowed Branch (20:9): [True: 0, False: 0]
|
21 | 0 | return false; |
22 | 0 | if (str.size() >= 1 && (json_isspace(str[0]) || json_isspace(str[str.size()-1]))) // No padding allowed Branch (22:9): [True: 0, False: 0]
Branch (22:29): [True: 0, False: 0]
Branch (22:53): [True: 0, False: 0]
|
23 | 0 | return false; |
24 | 0 | if (str.size() != strlen(str.c_str())) // No embedded NUL characters allowed Branch (24:9): [True: 0, False: 0]
|
25 | 0 | return false; |
26 | 0 | return true; |
27 | 0 | } |
28 | | |
29 | | std::optional<double> ParseDouble(const std::string& str) |
30 | 0 | { |
31 | 0 | if (!ParsePrechecks(str)) Branch (31:9): [True: 0, False: 0]
|
32 | 0 | return std::nullopt; |
33 | 0 | if (str.size() >= 2 && str[0] == '0' && str[1] == 'x') // No hexadecimal floats allowed Branch (33:9): [True: 0, False: 0]
Branch (33:28): [True: 0, False: 0]
Branch (33:45): [True: 0, False: 0]
|
34 | 0 | return std::nullopt; |
35 | 0 | std::istringstream text(str); |
36 | 0 | text.imbue(std::locale::classic()); |
37 | 0 | double result; |
38 | 0 | text >> result; |
39 | 0 | if (!text.eof() || text.fail()) { Branch (39:9): [True: 0, False: 0]
Branch (39:24): [True: 0, False: 0]
|
40 | 0 | return std::nullopt; |
41 | 0 | } |
42 | 0 | return result; |
43 | 0 | } |
44 | | } |
45 | | |
46 | | const std::vector<std::string>& UniValue::getKeys() const |
47 | 0 | { |
48 | 0 | checkType(VOBJ); |
49 | 0 | return keys; |
50 | 0 | } |
51 | | |
52 | | const std::vector<UniValue>& UniValue::getValues() const |
53 | 0 | { |
54 | 0 | if (typ != VOBJ && typ != VARR) Branch (54:9): [True: 0, False: 0]
Branch (54:24): [True: 0, False: 0]
|
55 | 0 | throw std::runtime_error("JSON value is not an object or array as expected"); |
56 | 0 | return values; |
57 | 0 | } |
58 | | |
59 | | bool UniValue::get_bool() const |
60 | 0 | { |
61 | 0 | checkType(VBOOL); |
62 | 0 | return isTrue(); |
63 | 0 | } |
64 | | |
65 | | const std::string& UniValue::get_str() const |
66 | 2.73k | { |
67 | 2.73k | checkType(VSTR); |
68 | 2.73k | return getValStr(); |
69 | 2.73k | } |
70 | | |
71 | | double UniValue::get_real() const |
72 | 0 | { |
73 | 0 | checkType(VNUM); |
74 | 0 | if (const auto retval{ParseDouble(getValStr())}) { Branch (74:20): [True: 0, False: 0]
|
75 | 0 | return *retval; |
76 | 0 | } |
77 | 0 | throw std::runtime_error("JSON double out of range"); |
78 | 0 | } |
79 | | |
80 | | const UniValue& UniValue::get_obj() const |
81 | 913 | { |
82 | 913 | checkType(VOBJ); |
83 | 913 | return *this; |
84 | 913 | } |
85 | | |
86 | | const UniValue& UniValue::get_array() const |
87 | 0 | { |
88 | 0 | checkType(VARR); |
89 | 0 | return *this; |
90 | 0 | } |