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ImHex/lib/libimhex/source/data_processor/node.cpp

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#include <hex/data_processor/node.hpp>
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#include <hex/helpers/fmt.hpp>
#include <hex/api/localization.hpp>
#include <hex/providers/provider.hpp>
namespace hex::dp {
u32 Node::s_idCounter = 1;
Node::Node(std::string unlocalizedTitle, std::vector<Attribute> attributes) : m_id(Node::s_idCounter++), m_unlocalizedTitle(std::move(unlocalizedTitle)), m_attributes(std::move(attributes)) {
for (auto &attr : this->m_attributes)
attr.setParentNode(this);
}
std::vector<u8> Node::getBufferOnInput(u32 index) {
auto attribute = this->getConnectedInputAttribute(index);
if (attribute == nullptr)
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throwNodeError(hex::format("Nothing connected to input '{0}'", LangEntry(this->m_attributes[index].getUnlocalizedName())));
if (attribute->getType() != Attribute::Type::Buffer)
throwNodeError("Tried to read buffer from non-buffer attribute");
markInputProcessed(index);
attribute->getParentNode()->process();
auto &outputData = attribute->getOutputData();
if (!outputData.has_value())
throw std::runtime_error("No data available at connected attribute");
return outputData.value();
}
i64 Node::getIntegerOnInput(u32 index) {
auto attribute = this->getConnectedInputAttribute(index);
if (attribute == nullptr)
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throwNodeError(hex::format("Nothing connected to input '{0}'", LangEntry(this->m_attributes[index].getUnlocalizedName())));
if (attribute->getType() != Attribute::Type::Integer)
throwNodeError("Tried to read integer from non-integer attribute");
markInputProcessed(index);
attribute->getParentNode()->process();
auto &outputData = attribute->getOutputData();
if (!outputData.has_value())
throw std::runtime_error("No data available at connected attribute");
if (outputData->size() < sizeof(u64))
throw std::runtime_error("Not enough data provided for integer");
return *reinterpret_cast<i64 *>(outputData->data());
}
float Node::getFloatOnInput(u32 index) {
auto attribute = this->getConnectedInputAttribute(index);
if (attribute == nullptr)
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throwNodeError(hex::format("Nothing connected to input '{0}'", LangEntry(this->m_attributes[index].getUnlocalizedName())));
if (attribute->getType() != Attribute::Type::Float)
throwNodeError("Tried to read float from non-float attribute");
markInputProcessed(index);
attribute->getParentNode()->process();
auto &outputData = attribute->getOutputData();
if (!outputData.has_value())
throw std::runtime_error("No data available at connected attribute");
if (outputData->size() < sizeof(float))
throw std::runtime_error("Not enough data provided for float");
float result = 0;
std::memcpy(&result, outputData->data(), sizeof(float));
return result;
}
void Node::setBufferOnOutput(u32 index, const std::vector<u8> &data) {
if (index >= this->getAttributes().size())
throw std::runtime_error("Attribute index out of bounds!");
auto &attribute = this->getAttributes()[index];
if (attribute.getIOType() != Attribute::IOType::Out)
throw std::runtime_error("Tried to set output data of an input attribute!");
attribute.getOutputData() = data;
}
void Node::setIntegerOnOutput(u32 index, i64 integer) {
if (index >= this->getAttributes().size())
throw std::runtime_error("Attribute index out of bounds!");
auto &attribute = this->getAttributes()[index];
if (attribute.getIOType() != Attribute::IOType::Out)
throw std::runtime_error("Tried to set output data of an input attribute!");
std::vector<u8> buffer(sizeof(u64), 0);
std::memcpy(buffer.data(), &integer, sizeof(u64));
attribute.getOutputData() = buffer;
}
void Node::setFloatOnOutput(u32 index, float floatingPoint) {
if (index >= this->getAttributes().size())
throw std::runtime_error("Attribute index out of bounds!");
auto &attribute = this->getAttributes()[index];
if (attribute.getIOType() != Attribute::IOType::Out)
throw std::runtime_error("Tried to set output data of an input attribute!");
std::vector<u8> buffer(sizeof(float), 0);
std::memcpy(buffer.data(), &floatingPoint, sizeof(float));
attribute.getOutputData() = buffer;
}
void Node::setOverlayData(u64 address, const std::vector<u8> &data) {
if (this->m_overlay == nullptr)
throw std::runtime_error("Tried setting overlay data on a node that's not the end of a chain!");
this->m_overlay->setAddress(address);
this->m_overlay->getData() = data;
}
}