yaml-cpp

C++ library for parsing and writing YAML 1.2 configuration files

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C++ YAML parser and emitter for YAML 1.2 spec

parse YAML config file in C++ program

$ // Include yaml-cpp header
#include <yaml-cpp/yaml.h>
NYAML::Node config = YAML::LoadFile("config.yaml");

read values from YAML file in C++

$ // Access YAML node values
std::string name = config["name"].as<std::string>();
int port = config["port"].as<int>();

write YAML file from C++ program

$ // Create and emit YAML
NYAML::Node output;
output["key"] = "value";
std::ofstream fout("output.yaml");
fout << output;

convert YAML to C++ data structures

$ // Deserialize YAML into custom struct
struct Config { std::string host; int port; };
Config cfg = config.as<Config>();

link yaml-cpp library in CMake project

$ # In CMakeLists.txt
find_package(yaml-cpp REQUIRED)
target_link_libraries(myapp yaml-cpp)