fdl_doc.h

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// SPDX-FileCopyrightText: 2024-present American Society Of Cinematographers
// SPDX-License-Identifier: Apache-2.0
#ifndef FDL_DOC_INTERNAL_H
#define FDL_DOC_INTERNAL_H
 
#include <jsoncons/json.hpp>
#include <mutex>
#include <string>
 
#include "fdl_handles.h"
 
namespace fdl::detail {
 
using ojson = jsoncons::ojson;
 
class Document {
public:
    Document() = default;
 
    explicit Document(ojson data) : data_(std::move(data)) {}
 
    static Document parse(const char* json_str, size_t json_len);
 
    [[nodiscard]] const ojson& data() const { return data_; }
    [[nodiscard]] ojson& data() { return data_; }
 
    [[nodiscard]] std::string get_uuid() const;
    [[nodiscard]] std::string get_fdl_creator() const;
 
    [[nodiscard]] std::string to_canonical_json(int indent = constants::kDefaultJsonIndent) const;
 
private:
    ojson data_;
};
 
} // namespace fdl::detail
 
struct fdl_doc {
    fdl::detail::Document doc; 
    fdl_handle_cache handles;  
    mutable std::mutex mtx;    
};
 
struct doc_lock {
    std::unique_lock<std::mutex> lock_; 
    explicit doc_lock(const fdl_doc* doc) {
        if (doc != nullptr) {
            lock_ = std::unique_lock<std::mutex>(doc->mtx);
        }
    }
};
 
#endif // FDL_DOC_INTERNAL_H