plot.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 <cstdint>
#include <optional>
#include <string_view>
 
#include "../display.hpp"
#include "../ffi.hpp"
#include "../string_ref.hpp"
#include "../types.hpp"
 
namespace openpine {
namespace seriesgraph {

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

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

  std::optional<double> value(uintptr_t idx) const {
    double val;
    if (ffi::plotValue(p_, idx, &val)) {
      return val;
    } else {
      return std::nullopt;
    }
  }

  std::optional<uint32_t> color(uintptr_t idx) const {
    uint32_t col;
    if (ffi::plotColor(p_, idx, &col)) {
      return col;
    } else {
      return std::nullopt;
    }
  }

  int32_t lineWidth() const { return ffi::plotLineWidth(p_); }

  PlotStyle style() const { return ffi::plotStyle(p_); }

  bool trackPrice() const { return ffi::plotTrackPrice(p_); }

  double histBase() const { return ffi::plotHistBase(p_); }

  int32_t offset() const { return ffi::plotOffset(p_); }

  bool join() const { return ffi::plotJoin(p_); }

  bool editable() const { return ffi::plotEditable(p_); }

  std::optional<uintptr_t> showLast() const {
    uintptr_t v;
    if (ffi::plotShowLast(p_, &v)) {
      return v;
    } else {
      return std::nullopt;
    }
  }

  Display display() const { return Display(ffi::plotDisplay(p_)); }

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

  std::optional<int32_t> precision() const {
    int32_t v;
    if (ffi::plotPrecision(p_, &v)) {
      return v;
    } else {
      return std::nullopt;
    }
  }

  bool forceOverlay() const { return ffi::plotForceOverlay(p_); }

  PlotLineStyle lineStyle() const { return ffi::plotLineStyle(p_); }
};
 
}  // namespace seriesgraph
}  // namespace openpine