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1 | | #ifndef ZSERIO_JSON_ENCODER_H_INC |
2 | | #define ZSERIO_JSON_ENCODER_H_INC |
3 | | |
4 | | #include <type_traits> |
5 | | |
6 | | #include "zserio/CppRuntimeException.h" |
7 | | #include "zserio/String.h" |
8 | | #include "zserio/StringConvertUtil.h" |
9 | | #include "zserio/StringView.h" |
10 | | #include "zserio/Vector.h" |
11 | | |
12 | | namespace zserio |
13 | | { |
14 | | |
15 | | /** |
16 | | * Converts zserio values to Json string representation. |
17 | | */ |
18 | | class JsonEncoder |
19 | | { |
20 | | public: |
21 | | /** |
22 | | * Encodes JSON null value to the given stream. |
23 | | * |
24 | | * \param stream Stream to use. |
25 | | */ |
26 | | static void encodeNull(std::ostream& stream); |
27 | | |
28 | | /** |
29 | | * Encodes JSON boolean value to the given stream. |
30 | | * |
31 | | * \param stream Stream to use. |
32 | | * \param value Value to encode. |
33 | | */ |
34 | | static void encodeBool(std::ostream& stream, bool value); |
35 | | |
36 | | /** |
37 | | * Encodes JSON integral value to the given stream. |
38 | | * |
39 | | * \param stream Stream to use. |
40 | | * \param value Value to encode. |
41 | | */ |
42 | | template <typename T> |
43 | | static void encodeIntegral(std::ostream& stream, T value); |
44 | | |
45 | | /** |
46 | | * Encodes JSON floating-point value to the given stream. |
47 | | * |
48 | | * \param stream Stream to use. |
49 | | * \param value Value to encode. |
50 | | */ |
51 | | static void encodeFloatingPoint(std::ostream& stream, double value); |
52 | | |
53 | | /** |
54 | | * Encodes JSON string value to the given stream. |
55 | | * |
56 | | * Note that this method performs escaping necessary to get a proper JSON string. |
57 | | * |
58 | | * \param stream Stream to use. |
59 | | * \param value Value to encode. |
60 | | */ |
61 | | static void encodeString(std::ostream& stream, StringView value); |
62 | | }; |
63 | | |
64 | | template <typename T> |
65 | | void JsonEncoder::encodeIntegral(std::ostream& stream, T value) |
66 | 52 | { |
67 | 52 | using U = typename std::conditional<std::is_signed<T>::value, int64_t, uint64_t>::type; |
68 | 52 | stream << static_cast<U>(value); |
69 | 52 | } |
70 | | |
71 | | } // namespace zserio |
72 | | |
73 | | #endif // ZSERIO_JSON_ENCODER_H_INC |