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1e59de90 TL |
1 | #include <iostream> |
2 | #include <nlohmann/json.hpp> | |
3 | ||
4 | using json = nlohmann::json; | |
5 | ||
6 | int main() | |
7 | { | |
8 | // create JSON values | |
9 | json j_object = {{"one", 1}, {"two", 2}}; | |
10 | json j_array = {1, 2, 4, 8, 16}; | |
11 | json j_string = "Hellö 😀!"; | |
12 | ||
13 | // call dump() | |
14 | std::cout << "objects:" << '\n' | |
15 | << j_object.dump() << "\n\n" | |
16 | << j_object.dump(-1) << "\n\n" | |
17 | << j_object.dump(0) << "\n\n" | |
18 | << j_object.dump(4) << "\n\n" | |
19 | << j_object.dump(1, '\t') << "\n\n"; | |
20 | ||
21 | std::cout << "arrays:" << '\n' | |
22 | << j_array.dump() << "\n\n" | |
23 | << j_array.dump(-1) << "\n\n" | |
24 | << j_array.dump(0) << "\n\n" | |
25 | << j_array.dump(4) << "\n\n" | |
26 | << j_array.dump(1, '\t') << "\n\n"; | |
27 | ||
28 | std::cout << "strings:" << '\n' | |
29 | << j_string.dump() << '\n' | |
30 | << j_string.dump(-1, ' ', true) << '\n'; | |
31 | ||
32 | // create JSON value with invalid UTF-8 byte sequence | |
33 | json j_invalid = "ä\xA9ü"; | |
34 | try | |
35 | { | |
36 | std::cout << j_invalid.dump() << std::endl; | |
37 | } | |
38 | catch (json::type_error& e) | |
39 | { | |
40 | std::cout << e.what() << std::endl; | |
41 | } | |
42 | ||
43 | std::cout << "string with replaced invalid characters: " | |
44 | << j_invalid.dump(-1, ' ', false, json::error_handler_t::replace) | |
45 | << "\nstring with ignored invalid characters: " | |
46 | << j_invalid.dump(-1, ' ', false, json::error_handler_t::ignore) | |
47 | << '\n'; | |
48 | } |