WhisperCom/doc/examples/json_pointer.cpp
Dominik Meyer cc002ebfbb Squashed 'libs/json/' content from commit f42a74b8
git-subtree-dir: libs/json
git-subtree-split: f42a74b8f53cc308647123d49d33d1c8122e3f42
2021-08-22 01:28:31 +02:00

48 lines
1.0 KiB
C++

#include <iostream>
#include <nlohmann/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';
}
}