array.h

#ifndef SIMDJSON_GENERIC_ONDEMAND_ARRAY_H
 
#ifndef SIMDJSON_CONDITIONAL_INCLUDE
#define SIMDJSON_GENERIC_ONDEMAND_ARRAY_H
#include "simdjson/generic/ondemand/base.h"
#include "simdjson/generic/implementation_simdjson_result_base.h"
#include "simdjson/generic/ondemand/value_iterator.h"
#include <vector>
#endif // SIMDJSON_CONDITIONAL_INCLUDE
 
namespace simdjson {
namespace SIMDJSON_IMPLEMENTATION {
namespace ondemand {
 
class array {
public:
  simdjson_inline array() noexcept = default;
 
  simdjson_inline simdjson_result<array_iterator> begin() noexcept;
  simdjson_inline simdjson_result<array_iterator> end() noexcept;
  simdjson_inline simdjson_result<size_t> count_elements() & noexcept;
  simdjson_inline simdjson_result<bool> is_empty() & noexcept;
  inline simdjson_result<bool> reset() & noexcept;
  inline simdjson_result<value> at_pointer(std::string_view json_pointer) noexcept;
 
  inline simdjson_result<value> at_path(std::string_view json_path) noexcept;
 
#if SIMDJSON_SUPPORTS_CONCEPTS
  template <typename Func>
    requires std::invocable<Func, value>
#else
  template <typename Func>
#endif
  inline error_code for_each_at_path_with_wildcard(std::string_view json_path, Func&& callback) noexcept;
 
  simdjson_inline simdjson_result<std::string_view> raw_json() noexcept;
 
  simdjson_inline simdjson_result<value> at(size_t index) noexcept;
 
#if SIMDJSON_SUPPORTS_CONCEPTS
  template <typename T>
  simdjson_warn_unused simdjson_inline error_code get(T &out)
     noexcept(custom_deserializable<T, array> ? nothrow_custom_deserializable<T, array> : true) {
    static_assert(custom_deserializable<T, array>);
    return deserialize(*this, out);
  }
  template <typename T>
  simdjson_inline simdjson_result<T> get()
    noexcept(custom_deserializable<T, value> ? nothrow_custom_deserializable<T, value> : true)
  {
    static_assert(std::is_default_constructible<T>::value, "The specified type is not default constructible.");
    T out{};
    SIMDJSON_TRY(get<T>(out));
    return out;
  }
#endif // SIMDJSON_SUPPORTS_CONCEPTS
protected:
  simdjson_warn_unused simdjson_inline error_code consume() noexcept;
 
  static simdjson_inline simdjson_result<array> start(value_iterator &iter) noexcept;
  static simdjson_inline simdjson_result<array> start_root(value_iterator &iter) noexcept;
  static simdjson_inline simdjson_result<array> started(value_iterator &iter) noexcept;
 
  simdjson_inline array(const value_iterator &iter) noexcept;
 
  value_iterator iter{};
 
  friend class value;
  friend class document;
  friend struct simdjson_result<value>;
  friend struct simdjson_result<array>;
  friend class array_iterator;
};
 
} // namespace ondemand
} // namespace SIMDJSON_IMPLEMENTATION
} // namespace simdjson
 
namespace simdjson {
 
template<>
struct simdjson_result<SIMDJSON_IMPLEMENTATION::ondemand::array> : public SIMDJSON_IMPLEMENTATION::implementation_simdjson_result_base<SIMDJSON_IMPLEMENTATION::ondemand::array> {
public:
  simdjson_inline simdjson_result(SIMDJSON_IMPLEMENTATION::ondemand::array &&value) noexcept; 
  simdjson_inline simdjson_result(error_code error) noexcept; 
  simdjson_inline simdjson_result() noexcept = default;
 
  simdjson_inline simdjson_result<SIMDJSON_IMPLEMENTATION::ondemand::array_iterator> begin() noexcept;
  simdjson_inline simdjson_result<SIMDJSON_IMPLEMENTATION::ondemand::array_iterator> end() noexcept;
  inline simdjson_result<size_t> count_elements() & noexcept;
  inline simdjson_result<bool> is_empty() & noexcept;
  inline simdjson_result<bool> reset() & noexcept;
  simdjson_inline simdjson_result<SIMDJSON_IMPLEMENTATION::ondemand::value> at(size_t index) noexcept;
  simdjson_inline simdjson_result<SIMDJSON_IMPLEMENTATION::ondemand::value> at_pointer(std::string_view json_pointer) noexcept;
  simdjson_inline simdjson_result<SIMDJSON_IMPLEMENTATION::ondemand::value> at_path(std::string_view json_path) noexcept;
#if SIMDJSON_SUPPORTS_CONCEPTS
  template <typename Func>
    requires std::invocable<Func, SIMDJSON_IMPLEMENTATION::ondemand::value>
#else
  template <typename Func>
#endif
  simdjson_inline error_code for_each_at_path_with_wildcard(std::string_view json_path, Func&& callback) noexcept;
  simdjson_inline simdjson_result<std::string_view> raw_json() noexcept;
#if SIMDJSON_SUPPORTS_CONCEPTS
  // TODO: move this code into object-inl.h
 
  template<typename T>
  simdjson_inline simdjson_result<T> get() noexcept {
    if (error()) { return error(); }
    if constexpr (std::is_same_v<T, SIMDJSON_IMPLEMENTATION::ondemand::array>) {
      return first;
    }
    return first.get<T>();
  }
  template<typename T>
  simdjson_warn_unused simdjson_inline error_code get(T& out) noexcept {
    if (error()) { return error(); }
    if constexpr (std::is_same_v<T, SIMDJSON_IMPLEMENTATION::ondemand::array>) {
      out = first;
    } else {
      SIMDJSON_TRY( first.get<T>(out) );
    }
    return SUCCESS;
  }
#endif // SIMDJSON_SUPPORTS_CONCEPTS
};
 
} // namespace simdjson
 
#endif // SIMDJSON_GENERIC_ONDEMAND_ARRAY_H