mirror of
https://github.com/nlohmann/json.git
synced 2024-12-16 15:09:02 +08:00
37 lines
662 B
C++
37 lines
662 B
C++
|
#include <iostream>
|
||
|
#include <nlohmann/json.hpp>
|
||
|
|
||
|
using json = nlohmann::json;
|
||
|
|
||
|
int main()
|
||
|
{
|
||
|
// an invalid JSON text
|
||
|
std::string text = R"(
|
||
|
{
|
||
|
"key": "value without closing quotes
|
||
|
}
|
||
|
)";
|
||
|
|
||
|
// parse with exceptions
|
||
|
try
|
||
|
{
|
||
|
json j = json::parse(text);
|
||
|
}
|
||
|
catch (json::parse_error& e)
|
||
|
{
|
||
|
std::cout << e.what() << std::endl;
|
||
|
}
|
||
|
|
||
|
// parse without exceptions
|
||
|
json j = json::parse(text, nullptr, false);
|
||
|
|
||
|
if (j.is_discarded())
|
||
|
{
|
||
|
std::cout << "the input is invalid JSON" << std::endl;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
std::cout << "the input is valid JSON: " << j << std::endl;
|
||
|
}
|
||
|
}
|