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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2022, Google Inc.
*
* yaml_parser.h - libcamera YAML parsing helper
*/
#pragma once
#include <cstdio>
#include <map>
#include <string>
#include <vector>
#include <libcamera/base/class.h>
#include <libcamera/geometry.h>
namespace libcamera {
class YamlParserContext;
class YamlObject
{
public:
YamlObject();
~YamlObject();
bool isValue() const
{
return type_ == Type::Value;
}
bool isList() const
{
return type_ == Type::List;
}
bool isDictionary() const
{
return type_ == Type::Dictionary;
}
#ifndef __DOXYGEN__
template<typename T,
typename std::enable_if_t<
std::is_same<bool, T>::value ||
std::is_same<double, T>::value ||
std::is_same<int32_t, T>::value ||
std::is_same<uint32_t, T>::value ||
std::is_same<std::string, T>::value ||
std::is_same<Size, T>::value> * = nullptr>
#else
template<typename T>
#endif
T get(const T &defaultValue, bool *ok = nullptr) const;
std::size_t size() const;
const YamlObject &operator[](std::size_t index) const;
bool contains(const std::string &key) const;
const YamlObject &operator[](const std::string &key) const;
std::vector<std::string> memberNames() const;
private:
LIBCAMERA_DISABLE_COPY_AND_MOVE(YamlObject)
friend class YamlParserContext;
enum class Type {
Dictionary,
List,
Value,
};
Type type_;
std::string value_;
std::vector<std::unique_ptr<YamlObject>> list_;
std::map<const std::string, std::unique_ptr<YamlObject>> dictionary_;
};
class YamlParser final
{
public:
static std::unique_ptr<YamlObject> parse(std::FILE *fh);
};
} /* namespace libcamera */
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