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Code Issues Releases Wiki Activity

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This commit is contained in:
J. Nick Koston
2025-09-15 21:28:42 -05:00
parent 0091a2b92b
commit 35f50b710e
2 changed files with 9 additions and 14 deletions
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13
esphome/components/json/json_util.cpp
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@@ -31,6 +31,7 @@ struct SpiRamAllocator : ArduinoJson::Allocator {
protected: protected:
RAMAllocator<uint8_t> allocator_{RAMAllocator<uint8_t>(RAMAllocator<uint8_t>::NONE)}; RAMAllocator<uint8_t> allocator_{RAMAllocator<uint8_t>(RAMAllocator<uint8_t>::NONE)};
}; };
#endif #endif
std::string build_json(const json_build_t &f) { std::string build_json(const json_build_t &f) {
@@ -73,22 +74,14 @@ bool parse_json(const std::string &data, const json_parse_t &f) {
JsonBuilder::JsonBuilder() JsonBuilder::JsonBuilder()
: doc_( : doc_(
#ifdef USE_PSRAM #ifdef USE_PSRAM
[this]() { (allocator_ = std::make_unique<SpiRamAllocator>(), allocator_.get())
auto *alloc = new SpiRamAllocator(); // NOLINT(cppcoreguidelines-owning-memory)
allocator_ = alloc;
return alloc;
}()
#else #else
nullptr nullptr
#endif #endif
) { ) {
} }
JsonBuilder::~JsonBuilder() { JsonBuilder::~JsonBuilder() = default;
#ifdef USE_PSRAM
delete static_cast<SpiRamAllocator *>(allocator_); // NOLINT(cppcoreguidelines-owning-memory)
#endif
}
std::string JsonBuilder::serialize() { std::string JsonBuilder::serialize() {
if (doc_.overflowed()) { if (doc_.overflowed()) {

10
esphome/components/json/json_util.h
View File

@@ -25,6 +25,9 @@ std::string build_json(const json_build_t &f);
/// Parse a JSON string and run the provided json parse function if it's valid. /// Parse a JSON string and run the provided json parse function if it's valid.
bool parse_json(const std::string &data, const json_parse_t &f); bool parse_json(const std::string &data, const json_parse_t &f);
// Forward declaration to avoid exposing implementation details
struct SpiRamAllocator;
/// Builder class for creating JSON documents without lambdas /// Builder class for creating JSON documents without lambdas
class JsonBuilder { class JsonBuilder {
public: public:
@@ -42,13 +45,12 @@ class JsonBuilder {
std::string serialize(); std::string serialize();
private: private:
#ifdef USE_PSRAM
std::unique_ptr<SpiRamAllocator> allocator_; // One heap allocation, but keeps code clean
#endif
JsonDocument doc_; JsonDocument doc_;
JsonObject root_; JsonObject root_;
bool root_created_{false}; bool root_created_{false};
// Allocator must be last member to ensure it's destroyed after doc_
#ifdef USE_PSRAM
void *allocator_{nullptr}; // Will store SpiRamAllocator*, managed in cpp file
#endif
}; };
} // namespace json } // namespace json