/bitcoin/src/univalue/lib/univalue_get.cpp
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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 <cerrno> |
9 | | #include <cstdint> |
10 | | #include <cstdlib> |
11 | | #include <cstring> |
12 | | #include <limits> |
13 | | #include <locale> |
14 | | #include <sstream> |
15 | | #include <stdexcept> |
16 | | #include <string> |
17 | | #include <vector> |
18 | | |
19 | | namespace |
20 | | { |
21 | | static bool ParsePrechecks(const std::string& str) |
22 | 0 | { |
23 | 0 | if (str.empty()) // No empty string allowed Branch (23:9): [True: 0, False: 0]
|
24 | 0 | return false; |
25 | 0 | if (str.size() >= 1 && (json_isspace(str[0]) || json_isspace(str[str.size()-1]))) // No padding allowed Branch (25:9): [True: 0, False: 0]
Branch (25:29): [True: 0, False: 0]
Branch (25:53): [True: 0, False: 0]
|
26 | 0 | return false; |
27 | 0 | if (str.size() != strlen(str.c_str())) // No embedded NUL characters allowed Branch (27:9): [True: 0, False: 0]
|
28 | 0 | return false; |
29 | 0 | return true; |
30 | 0 | } |
31 | | |
32 | | bool ParseDouble(const std::string& str, double *out) |
33 | 0 | { |
34 | 0 | if (!ParsePrechecks(str)) Branch (34:9): [True: 0, False: 0]
|
35 | 0 | return false; |
36 | 0 | if (str.size() >= 2 && str[0] == '0' && str[1] == 'x') // No hexadecimal floats allowed Branch (36:9): [True: 0, False: 0]
Branch (36:28): [True: 0, False: 0]
Branch (36:45): [True: 0, False: 0]
|
37 | 0 | return false; |
38 | 0 | std::istringstream text(str); |
39 | 0 | text.imbue(std::locale::classic()); |
40 | 0 | double result; |
41 | 0 | text >> result; |
42 | 0 | if(out) *out = result; Branch (42:8): [True: 0, False: 0]
|
43 | 0 | return text.eof() && !text.fail(); Branch (43:12): [True: 0, False: 0]
Branch (43:26): [True: 0, False: 0]
|
44 | 0 | } |
45 | | } |
46 | | |
47 | | const std::vector<std::string>& UniValue::getKeys() const |
48 | 0 | { |
49 | 0 | checkType(VOBJ); |
50 | 0 | return keys; |
51 | 0 | } |
52 | | |
53 | | const std::vector<UniValue>& UniValue::getValues() const |
54 | 0 | { |
55 | 0 | if (typ != VOBJ && typ != VARR) Branch (55:9): [True: 0, False: 0]
Branch (55:24): [True: 0, False: 0]
|
56 | 0 | throw std::runtime_error("JSON value is not an object or array as expected"); |
57 | 0 | return values; |
58 | 0 | } |
59 | | |
60 | | bool UniValue::get_bool() const |
61 | 55.4k | { |
62 | 55.4k | checkType(VBOOL); |
63 | 55.4k | return isTrue(); |
64 | 55.4k | } |
65 | | |
66 | | const std::string& UniValue::get_str() const |
67 | 7.87M | { |
68 | 7.87M | checkType(VSTR); |
69 | 7.87M | return getValStr(); |
70 | 7.87M | } |
71 | | |
72 | | double UniValue::get_real() const |
73 | 0 | { |
74 | 0 | checkType(VNUM); |
75 | 0 | double retval; |
76 | 0 | if (!ParseDouble(getValStr(), &retval)) Branch (76:9): [True: 0, False: 0]
|
77 | 0 | throw std::runtime_error("JSON double out of range"); |
78 | 0 | return retval; |
79 | 0 | } |
80 | | |
81 | | const UniValue& UniValue::get_obj() const |
82 | 2.35M | { |
83 | 2.35M | checkType(VOBJ); |
84 | 2.35M | return *this; |
85 | 2.35M | } |
86 | | |
87 | | const UniValue& UniValue::get_array() const |
88 | 0 | { |
89 | 0 | checkType(VARR); |
90 | 0 | return *this; |
91 | 0 | } |