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mirror of synced 2024-11-15 11:33:23 +01:00
ImHex/plugins/libimhex/include/hex/data_processor/node.hpp
2021-08-29 22:15:18 +02:00

95 lines
2.8 KiB
C++

#pragma once
#include <hex.hpp>
#include <hex/data_processor/attribute.hpp>
#include <set>
#include <string_view>
#include <vector>
#include <nlohmann/json_fwd.hpp>
namespace hex::prv { class Provider; class Overlay; }
namespace hex::dp {
class Node {
public:
Node(std::string_view unlocalizedTitle, std::vector<Attribute> attributes);
virtual ~Node() = default;
[[nodiscard]] u32 getID() const { return this->m_id; }
void setID(u32 id) { this->m_id = id; }
[[nodiscard]] std::string_view getUnlocalizedName() const { return this->m_unlocalizedName; }
void setUnlocalizedName(std::string_view unlocalizedName) { this->m_unlocalizedName = unlocalizedName; }
[[nodiscard]] std::string_view getUnlocalizedTitle() const { return this->m_unlocalizedTitle; }
[[nodiscard]] std::vector<Attribute>& getAttributes() { return this->m_attributes; }
void setCurrentOverlay(prv::Overlay *overlay) {
this->m_overlay = overlay;
}
virtual void drawNode() { }
virtual void process() = 0;
virtual void store(nlohmann::json &j) { }
virtual void load(nlohmann::json &j) { }
using NodeError = std::pair<Node*, std::string>;
void resetOutputData() {
for (auto &attribute : this->m_attributes)
attribute.getOutputData().reset();
}
void resetProcessedInputs() {
this->m_processedInputs.clear();
}
private:
u32 m_id;
std::string m_unlocalizedTitle, m_unlocalizedName;
std::vector<Attribute> m_attributes;
std::set<u32> m_processedInputs;
prv::Overlay *m_overlay = nullptr;
Attribute* getConnectedInputAttribute(u32 index) {
if (index >= this->getAttributes().size())
throw std::runtime_error("Attribute index out of bounds!");
auto &connectedAttribute = this->getAttributes()[index].getConnectedAttributes();
if (connectedAttribute.empty())
return nullptr;
return connectedAttribute.begin()->second;
}
void markInputProcessed(u32 index) {
const auto &[iter, inserted] = this->m_processedInputs.insert(index);
if (!inserted)
throwNodeError("Recursion detected!");
}
protected:
[[noreturn]] void throwNodeError(std::string_view message) {
throw NodeError(this, message);
}
std::vector<u8> getBufferOnInput(u32 index);
u64 getIntegerOnInput(u32 index);
float getFloatOnInput(u32 index);
void setBufferOnOutput(u32 index, std::vector<u8> data);
void setIntegerOnOutput(u32 index, u64 integer);
void setFloatOnOutput(u32 index, float floatingPoint);
void setOverlayData(u64 address, const std::vector<u8> &data);
};
}