materialx_serializer.h

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#ifndef MATERIALX_SERIALIZER_H
#define MATERIALX_SERIALIZER_H
 
#include <MaterialXCore/Document.h>
#include <MaterialXCore/Element.h>
#include <MaterialXFormat/XmlIo.h>
#include "materialx.pb.h"
#include <memory>
#include <string>
#include <vector>
 
namespace mx = MaterialX;
 
// Current schema version
constexpr uint32_t SCHEMA_VERSION_MAJOR = 1;
constexpr uint32_t SCHEMA_VERSION_MINOR = 39;
constexpr uint32_t SCHEMA_VERSION_PATCH = 4;
 
class MaterialXToProtobuf {
public:
    MaterialXDocument convert(mx::DocumentPtr doc);
 
private:
    MaterialXElement convertElement(mx::ElementPtr mx_elem);
};
 
class ProtobufToMaterialX {
public:
    mx::DocumentPtr convert(const MaterialXDocument& pb_doc);
 
private:
    mx::DocumentPtr checkVersionAndUpgrade(const MaterialXDocument& pb_doc);
 
    mx::ElementPtr convertElement(const MaterialXElement& pb_elem, mx::ElementPtr parent);
};
 
class Util {
public:
    static MaterialXDocument fromString(const std::string& data);
 
    static std::string toString(const MaterialXDocument& pb_doc);
 
    static std::string toJson(const MaterialXDocument& pb_doc, int indent = 2);
 
    static void debugInspect(const MaterialXDocument& pb_doc, int max_depth = 10);
 
    static void debugInspectCompact(const MaterialXDocument& pb_doc, int max_depth = 10);
 
    static void debugInspectSimple(const MaterialXDocument& pb_doc);
 
    static std::string generateMermaidDiagram(const MaterialXDocument& pb_doc);
 
private:
    static void printElement(const MaterialXElement& element, int depth, int max_depth);
    static void printElementCompact(const MaterialXElement& element, int depth, int max_depth);
    static void printTree(const MaterialXElement& element, const std::string& prefix, bool is_last);
    static void addMermaidElements(const MaterialXElement& element, std::vector<std::string>& lines);
};
 
class VersionUpgrader {
public:
    static void upgradeV0ToV1(MaterialXDocument& pb_doc);
 
    static void upgradeV1ToV2(MaterialXDocument& pb_doc);
 
    static std::string getVersionString(const MaterialXDocument& pb_doc);
 
    static int compareVersions(uint32_t v1_major, uint32_t v1_minor, uint32_t v1_patch,
                               uint32_t v2_major, uint32_t v2_minor, uint32_t v2_patch);
};
 
#endif // MATERIALX_SERIALIZER_H