Function run_single

subprojects/llama.cpp/tests/test-chat-template.cpp:223–261

void run_single(std::string contents, json input, bool use_common, const std::string & output_path) {
    jinja::enable_debug(true);

    jinja::value_string output_parts;

    if (use_common) {
        std::string bos_token = "<s>";
        std::string eos_token = "</s>";
        if (input.contains("bos_token")) {
            bos_token = input["bos_token"].get<std::string>();
        }
        if (input.contains("eos_token")) {
            eos_token = input["eos_token"].get<std::string>();
        }
        nlohmann::ordered_json msgs_json = input["messages"];
        nlohmann::ordered_json tools_json = input["tools"];
        auto messages = common_chat_msgs_parse_oaicompat(msgs_json);
        auto tools = common_chat_tools_parse_oaicompat(tools_json);
        auto output = format_using_common(contents, bos_token, eos_token, messages, tools);
        std::cout << "\n=== OUTPUT ===\n";
        std::cout << output << "\n";
        output_parts = jinja::mk_val<jinja::value_string>(output);

    } else {
        output_parts = format_using_direct_engine(contents, input);
        std::cout << "\n=== OUTPUT ===\n";
        std::cout << output_parts->as_string().str() << "\n";
    }

    if (!output_path.empty()) {
        std::ofstream outfile(output_path);
        if (!outfile) {
            throw std::runtime_error("Could not open output file: " + output_path);
        }
        outfile << output_parts->as_string().str();
        outfile.close();
        std::cout << "\n=== OUTPUT WRITTEN TO " << output_path << " ===\n";
    }
}