json/doc/examples/json_pointer.cpp
Niels Lohmann 504012a3db
📝 cleanup after #650
As <iostream> is not included in json.hpp any more, all code examples need to include <iostream> now.
2017-07-09 11:51:38 +02:00

48 lines
1 KiB
C++

#include <iostream>
#include "json.hpp"
using json = nlohmann::json;
int main()
{
// correct JSON pointers
json::json_pointer p1;
json::json_pointer p2("");
json::json_pointer p3("/");
json::json_pointer p4("//");
json::json_pointer p5("/foo/bar");
json::json_pointer p6("/foo/bar/-");
json::json_pointer p7("/foo/~0");
json::json_pointer p8("/foo/~1");
// error: JSON pointer does not begin with a slash
try
{
json::json_pointer p9("foo");
}
catch (json::parse_error& e)
{
std::cout << e.what() << '\n';
}
// error: JSON pointer uses escape symbol ~ not followed by 0 or 1
try
{
json::json_pointer p10("/foo/~");
}
catch (json::parse_error& e)
{
std::cout << e.what() << '\n';
}
// error: JSON pointer uses escape symbol ~ not followed by 0 or 1
try
{
json::json_pointer p11("/foo/~3");
}
catch (json::parse_error& e)
{
std::cout << e.what() << '\n';
}
}