cesium-native/ref-doc/JsonHelpers_8h_source.html

#pragma once


#include <glm/fwd.hpp>

#include <rapidjson/fwd.h>


#include <optional>

#include <string>

#include <vector>


namespace CesiumUtility {


class JsonHelpers final {

public:

  static std::optional<double>

  getScalarProperty(const rapidjson::Value& tileJson, const std::string& key);

  static std::optional<glm::dmat4x4> getTransformProperty(

      const rapidjson::Value& tileJson,

      const std::string& key);


  static std::optional<std::vector<double>> getDoubles(

      const rapidjson::Value& json,

      int32_t expectedSize,

      const std::string& key);


  static std::string getStringOrDefault(

      const rapidjson::Value& json,

      const std::string& key,

      const std::string& defaultValue);

  static std::string getStringOrDefault(

      const rapidjson::Value& json,

      const std::string& defaultValue);


  static double getDoubleOrDefault(

      const rapidjson::Value& json,

      const std::string& key,

      double defaultValue);

  static double

  getDoubleOrDefault(const rapidjson::Value& json, double defaultValue);


  static uint32_t getUint32OrDefault(

      const rapidjson::Value& json,

      const std::string& key,

      uint32_t defaultValue);

  static uint32_t

  getUint32OrDefault(const rapidjson::Value& json, uint32_t defaultValue);


  static int32_t getInt32OrDefault(

      const rapidjson::Value& json,

      const std::string& key,

      int32_t defaultValue);

  static int32_t

  getInt32OrDefault(const rapidjson::Value& json, int32_t defaultValue);


  static uint64_t getUint64OrDefault(

      const rapidjson::Value& json,

      const std::string& key,

      uint64_t defaultValue);

  static uint64_t

  getUint64OrDefault(const rapidjson::Value& json, uint64_t defaultValue);


  static int64_t getInt64OrDefault(

      const rapidjson::Value& json,

      const std::string& key,

      int64_t defaultValue);

  static int64_t

  getInt64OrDefault(const rapidjson::Value& json, int64_t defaultValue);


  static bool getBoolOrDefault(

      const rapidjson::Value& json,

      const std::string& key,

      bool defaultValue);

  static bool getBoolOrDefault(const rapidjson::Value& json, bool defaultValue);


  static std::vector<std::string>

  getStrings(const rapidjson::Value& json, const std::string& key);


  static std::vector<int64_t>

  getInt64s(const rapidjson::Value& json, const std::string& key);

};


} // namespace CesiumUtility

CesiumUtility::JsonHelpers
A collection of helper functions to make reading JSON simpler.
Definition JsonHelpers.h:15

CesiumUtility::JsonHelpers::getInt32OrDefault
static int32_t getInt32OrDefault(const rapidjson::Value &json, const std::string &key, int32_t defaultValue)
Attempts to obtain a int32_t from the given key on the JSON object, returning a default value if this...

CesiumUtility::JsonHelpers::getStringOrDefault
static std::string getStringOrDefault(const rapidjson::Value &json, const std::string &key, const std::string &defaultValue)
Attempts to obtain a string from the given key on the JSON object, returning a default value if this ...

CesiumUtility::JsonHelpers::getScalarProperty
static std::optional< double > getScalarProperty(const rapidjson::Value &tileJson, const std::string &key)
Attempts to read the value at key of tileJson as a double, returning std::nullopt if it wasn't found ...

CesiumUtility::JsonHelpers::getBoolOrDefault
static bool getBoolOrDefault(const rapidjson::Value &json, bool defaultValue)
Attempts to read json as a bool, returning a default value if this isn't possible.

CesiumUtility::JsonHelpers::getUint32OrDefault
static uint32_t getUint32OrDefault(const rapidjson::Value &json, uint32_t defaultValue)
Attempts to read json as a uint32_t, returning a default value if this isn't possible.

CesiumUtility::JsonHelpers::getTransformProperty
static std::optional< glm::dmat4x4 > getTransformProperty(const rapidjson::Value &tileJson, const std::string &key)
Attempts to read the value at key of tileJson as a glm::dmat4x4, returning std::nullopt if it wasn't ...

CesiumUtility::JsonHelpers::getStringOrDefault
static std::string getStringOrDefault(const rapidjson::Value &json, const std::string &defaultValue)
Attempts to read json as a string, returning a default value if this isn't possible.

CesiumUtility::JsonHelpers::getInt32OrDefault
static int32_t getInt32OrDefault(const rapidjson::Value &json, int32_t defaultValue)
Attempts to read json as a int32_t, returning a default value if this isn't possible.

CesiumUtility::JsonHelpers::getUint32OrDefault
static uint32_t getUint32OrDefault(const rapidjson::Value &json, const std::string &key, uint32_t defaultValue)
Attempts to obtain a uint32_t from the given key on the JSON object, returning a default value if thi...

CesiumUtility::JsonHelpers::getInt64OrDefault
static int64_t getInt64OrDefault(const rapidjson::Value &json, const std::string &key, int64_t defaultValue)
Attempts to obtain a int64_t from the given key on the JSON object, returning a default value if this...

CesiumUtility::JsonHelpers::getInt64s
static std::vector< int64_t > getInt64s(const rapidjson::Value &json, const std::string &key)
Attempts to read an int64_t array from the property key of json, returning an empty vector if this is...

CesiumUtility::JsonHelpers::getBoolOrDefault
static bool getBoolOrDefault(const rapidjson::Value &json, const std::string &key, bool defaultValue)
Attempts to obtain a bool from the given key on the JSON object, returning a default value if this is...

CesiumUtility::JsonHelpers::getInt64OrDefault
static int64_t getInt64OrDefault(const rapidjson::Value &json, int64_t defaultValue)
Attempts to read json as a int64_t, returning a default value if this isn't possible.

CesiumUtility::JsonHelpers::getDoubleOrDefault
static double getDoubleOrDefault(const rapidjson::Value &json, double defaultValue)
Attempts to read json as a double, returning a default value if this isn't possible.

CesiumUtility::JsonHelpers::getDoubles
static std::optional< std::vector< double > > getDoubles(const rapidjson::Value &json, int32_t expectedSize, const std::string &key)
Obtains an array of numbers from the given JSON.

CesiumUtility::JsonHelpers::getStrings
static std::vector< std::string > getStrings(const rapidjson::Value &json, const std::string &key)
Attempts to read an array of strings from the property key of json, returning an empty vector if this...

CesiumUtility::JsonHelpers::getUint64OrDefault
static uint64_t getUint64OrDefault(const rapidjson::Value &json, const std::string &key, uint64_t defaultValue)
Attempts to obtain a uint64_t from the given key on the JSON object, returning a default value if thi...

CesiumUtility::JsonHelpers::getUint64OrDefault
static uint64_t getUint64OrDefault(const rapidjson::Value &json, uint64_t defaultValue)
Attempts to read json as a uint64_t, returning a default value if this isn't possible.

CesiumUtility::JsonHelpers::getDoubleOrDefault
static double getDoubleOrDefault(const rapidjson::Value &json, const std::string &key, double defaultValue)
Attempts to obtain a double from the given key on the JSON object, returning a default value if this ...

CesiumUtility
Utility classes for Cesium.
Definition TilesetExternals.h:17