script_info.hpp

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#pragma once

 
#if (defined(_MSVC_LANG) ? _MSVC_LANG : __cplusplus) < 201703L
#error \
    "OpenPine C++ wrapper headers require C++17 (std::optional, std::string_view)."
#endif
 
#include <optional>
#include <string_view>
 
#include "ffi.hpp"
#include "script_input.hpp"
#include "string_ref.hpp"
#include "types.hpp"
 
namespace openpine {

class ScriptInfo {
 private:
  const ffi::ScriptInfo* p_;
 
 public:
  ScriptInfo(const ffi::ScriptInfo* p) : p_(p) {}

  bool overlay() const { return ffi::scriptInfoOverlay(p_); }

  ScriptTypeKind scriptType() const { return ffi::scriptInfoScriptType(p_); }

  std::optional<std::string_view> title() const {
    ffi::PineStringRef ref{};
    if (ffi::scriptInfoTitle(p_, &ref)) {
      return detail::refToView(ref);
    }
    return std::nullopt;
  }

  std::optional<Indicator> indicator() const {
    Indicator out{};
    if (ffi::scriptInfoIndicator(p_, &out)) return out;
    return std::nullopt;
  }

  std::optional<Library> library() const {
    Library out{};
    if (ffi::scriptInfoLibrary(p_, &out)) return out;
    return std::nullopt;
  }

  std::optional<Strategy> strategy() const {
    Strategy out{};
    if (ffi::scriptInfoStrategy(p_, &out)) return out;
    return std::nullopt;
  }

  uintptr_t inputsLength() const { return ffi::scriptInfoInputsLength(p_); }

  std::optional<ScriptInput> inputAt(uintptr_t index) const {
    const ffi::Input* inp = ffi::scriptInfoInput(p_, index);
    if (inp) return ScriptInput{inp};
    return std::nullopt;
  }

  uintptr_t alertConditionsLength() const {
    return ffi::scriptInfoAlertConditionsLength(p_);
  }

  std::optional<std::string_view> alertConditionTitle(uintptr_t index) const {
    ffi::PineStringRef ref{};
    if (!ffi::scriptInfoAlertConditionTitle(p_, index, &ref))
      return std::nullopt;
    return detail::optRefToView(ref.data != nullptr, ref);
  }

  std::optional<std::string_view> alertConditionMessage(uintptr_t index) const {
    ffi::PineStringRef ref{};
    if (!ffi::scriptInfoAlertConditionMessage(p_, index, &ref))
      return std::nullopt;
    return detail::optRefToView(ref.data != nullptr, ref);
  }
};
 
}  // namespace openpine