json/doc/examples/json_pointer.cpp
Niels Lohmann 9b32f72584
📝 fixed examples for Wandbox
As I learned in https://github.com/melpon/wandbox/issues/209, this
library is already installed at Wandbox, so we need to adjust the
examples to use `#include "json.hpp"` insteas of `#include <json.hpp>`.
2017-04-21 22:07:07 +02:00

47 lines
1,009 B
C++

#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';
}
}