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Code Issues Releases Wiki Activity

[json] Add parse_json overload for const char * (#11039)

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Co-authored-by: J. Nick Koston <nick@koston.org>
This commit is contained in:
Jesse Hills
2025-10-07 05:19:31 +13:00
committed by GitHub
parent a88182c8e3
commit 697cab45dd
2 changed files with 13 additions and 4 deletions
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10
esphome/components/json/json_util.cpp
View File

@@ -19,15 +19,19 @@ std::string build_json(const json_build_t &f) {
bool parse_json(const std::string &data, const json_parse_t &f) {
// NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
JsonDocument doc = parse_json(data);
JsonDocument doc = parse_json(reinterpret_cast<const uint8_t *>(data.c_str()), data.size());
if (doc.overflowed() || doc.isNull())
return false;
return f(doc.as<JsonObject>());
// NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
}
JsonDocument parse_json(const std::string &data) {
JsonDocument parse_json(const uint8_t *data, size_t len) {
// NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
if (data == nullptr || len == 0) {
ESP_LOGE(TAG, "No data to parse");
return JsonObject(); // return unbound object
}
#ifdef USE_PSRAM
auto doc_allocator = SpiRamAllocator();
JsonDocument json_document(&doc_allocator);
@@ -38,7 +42,7 @@ JsonDocument parse_json(const std::string &data) {
ESP_LOGE(TAG, "Could not allocate memory for JSON document!");
return JsonObject(); // return unbound object
}
DeserializationError err = deserializeJson(json_document, data);
DeserializationError err = deserializeJson(json_document, data, len);
if (err == DeserializationError::Ok) {
return json_document;

7
esphome/components/json/json_util.h
View File

@@ -50,8 +50,13 @@ std::string build_json(const json_build_t &f);
/// 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);
/// Parse a JSON string and return the root JsonDocument (or an unbound object on error)
JsonDocument parse_json(const std::string &data);
JsonDocument parse_json(const uint8_t *data, size_t len);
/// Parse a JSON string and return the root JsonDocument (or an unbound object on error)
inline JsonDocument parse_json(const std::string &data) {
return parse_json(reinterpret_cast<const uint8_t *>(data.c_str()), data.size());
}
/// Builder class for creating JSON documents without lambdas
class JsonBuilder {