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diff --git a/native/cpp/CommonCpp/NativeModules/CommUtilsModule.h b/native/cpp/CommonCpp/NativeModules/CommUtilsModule.h
--- a/native/cpp/CommonCpp/NativeModules/CommUtilsModule.h
+++ b/native/cpp/CommonCpp/NativeModules/CommUtilsModule.h
@@ -32,6 +32,10 @@
virtual jsi::Object
base64DecodeBuffer(jsi::Runtime &rt, jsi::String base64) override;
virtual jsi::String sha256(jsi::Runtime &rt, jsi::Object data) override;
+ virtual jsi::String
+ decodeUTF8ArrayBufferToString(jsi::Runtime &rt, jsi::Object data) override;
+ virtual jsi::Object
+ encodeStringToUTF8ArrayBuffer(jsi::Runtime &rt, jsi::String str) override;
public:
CommUtilsModule(std::shared_ptr<facebook::react::CallInvoker> jsInvoker);
diff --git a/native/cpp/CommonCpp/NativeModules/CommUtilsModule.cpp b/native/cpp/CommonCpp/NativeModules/CommUtilsModule.cpp
--- a/native/cpp/CommonCpp/NativeModules/CommUtilsModule.cpp
+++ b/native/cpp/CommonCpp/NativeModules/CommUtilsModule.cpp
@@ -150,4 +150,42 @@
return jsi::String::createFromUtf8(rt, sha256String);
}
+jsi::String CommUtilsModule::decodeUTF8ArrayBufferToString(
+ jsi::Runtime &rt,
+ jsi::Object data) {
+ auto arrayBuffer = data.getArrayBuffer(rt);
+ auto dataPtr = arrayBuffer.data(rt);
+ auto size = arrayBuffer.size(rt);
+
+ auto bytes = std::vector<uint8_t>{dataPtr, dataPtr + size};
+ auto str = std::string(bytes.begin(), bytes.end());
+ jsi::String jsiStr = jsi::String::createFromUtf8(rt, str);
+
+ // createFromUtf8() results are undefined if
+ // str contains invalid code points.
+ auto strAfterConversion = jsiStr.utf8(rt);
+ if (str != strAfterConversion) {
+ throw jsi::JSError(rt, "Invalid UTF-8 ArrayBuffer");
+ }
+
+ return jsiStr;
+}
+
+jsi::Object CommUtilsModule::encodeStringToUTF8ArrayBuffer(
+ jsi::Runtime &rt,
+ jsi::String inputStr) {
+ auto str = inputStr.utf8(rt);
+ auto bytes = std::vector<uint8_t>(str.begin(), str.end());
+ auto size = bytes.size();
+
+ auto arrayBuffer = rt.global()
+ .getPropertyAsFunction(rt, "ArrayBuffer")
+ .callAsConstructor(rt, {static_cast<double>(size)})
+ .asObject(rt)
+ .getArrayBuffer(rt);
+
+ memcpy(arrayBuffer.data(rt), bytes.data(), size);
+ return std::move(arrayBuffer);
+}
+
} // namespace comm
diff --git a/native/cpp/CommonCpp/_generated/utilsJSI-generated.cpp b/native/cpp/CommonCpp/_generated/utilsJSI-generated.cpp
--- a/native/cpp/CommonCpp/_generated/utilsJSI-generated.cpp
+++ b/native/cpp/CommonCpp/_generated/utilsJSI-generated.cpp
@@ -27,6 +27,12 @@
static jsi::Value __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_sha256(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
return static_cast<CommUtilsModuleSchemaCxxSpecJSI *>(&turboModule)->sha256(rt, args[0].asObject(rt));
}
+static jsi::Value __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_decodeUTF8ArrayBufferToString(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
+ return static_cast<CommUtilsModuleSchemaCxxSpecJSI *>(&turboModule)->decodeUTF8ArrayBufferToString(rt, args[0].asObject(rt));
+}
+static jsi::Value __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_encodeStringToUTF8ArrayBuffer(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
+ return static_cast<CommUtilsModuleSchemaCxxSpecJSI *>(&turboModule)->encodeStringToUTF8ArrayBuffer(rt, args[0].asString(rt));
+}
CommUtilsModuleSchemaCxxSpecJSI::CommUtilsModuleSchemaCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
: TurboModule("CommUtilsTurboModule", jsInvoker) {
@@ -35,6 +41,8 @@
methodMap_["base64EncodeBuffer"] = MethodMetadata {1, __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_base64EncodeBuffer};
methodMap_["base64DecodeBuffer"] = MethodMetadata {1, __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_base64DecodeBuffer};
methodMap_["sha256"] = MethodMetadata {1, __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_sha256};
+ methodMap_["decodeUTF8ArrayBufferToString"] = MethodMetadata {1, __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_decodeUTF8ArrayBufferToString};
+ methodMap_["encodeStringToUTF8ArrayBuffer"] = MethodMetadata {1, __hostFunction_CommUtilsModuleSchemaCxxSpecJSI_encodeStringToUTF8ArrayBuffer};
}
diff --git a/native/cpp/CommonCpp/_generated/utilsJSI.h b/native/cpp/CommonCpp/_generated/utilsJSI.h
--- a/native/cpp/CommonCpp/_generated/utilsJSI.h
+++ b/native/cpp/CommonCpp/_generated/utilsJSI.h
@@ -25,6 +25,8 @@
virtual jsi::String base64EncodeBuffer(jsi::Runtime &rt, jsi::Object data) = 0;
virtual jsi::Object base64DecodeBuffer(jsi::Runtime &rt, jsi::String base64) = 0;
virtual jsi::String sha256(jsi::Runtime &rt, jsi::Object data) = 0;
+ virtual jsi::String decodeUTF8ArrayBufferToString(jsi::Runtime &rt, jsi::Object data) = 0;
+ virtual jsi::Object encodeStringToUTF8ArrayBuffer(jsi::Runtime &rt, jsi::String str) = 0;
};
@@ -86,6 +88,22 @@
return bridging::callFromJs<jsi::String>(
rt, &T::sha256, jsInvoker_, instance_, std::move(data));
}
+ jsi::String decodeUTF8ArrayBufferToString(jsi::Runtime &rt, jsi::Object data) override {
+ static_assert(
+ bridging::getParameterCount(&T::decodeUTF8ArrayBufferToString) == 2,
+ "Expected decodeUTF8ArrayBufferToString(...) to have 2 parameters");
+
+ return bridging::callFromJs<jsi::String>(
+ rt, &T::decodeUTF8ArrayBufferToString, jsInvoker_, instance_, std::move(data));
+ }
+ jsi::Object encodeStringToUTF8ArrayBuffer(jsi::Runtime &rt, jsi::String str) override {
+ static_assert(
+ bridging::getParameterCount(&T::encodeStringToUTF8ArrayBuffer) == 2,
+ "Expected encodeStringToUTF8ArrayBuffer(...) to have 2 parameters");
+
+ return bridging::callFromJs<jsi::Object>(
+ rt, &T::encodeStringToUTF8ArrayBuffer, jsInvoker_, instance_, std::move(str));
+ }
private:
T *instance_;
diff --git a/native/schema/CommUtilsModuleSchema.js b/native/schema/CommUtilsModuleSchema.js
--- a/native/schema/CommUtilsModuleSchema.js
+++ b/native/schema/CommUtilsModuleSchema.js
@@ -15,6 +15,9 @@
+base64DecodeBuffer: (base64: string) => JSIArrayBuffer;
// crypto utils
+sha256: (data: JSIArrayBuffer) => string;
+ // encoding utils
+ +decodeUTF8ArrayBufferToString: (data: JSIArrayBuffer) => string;
+ +encodeStringToUTF8ArrayBuffer: (str: string) => JSIArrayBuffer;
}
// for public interface, we use the correct types
@@ -24,6 +27,8 @@
+base64EncodeBuffer: (data: ArrayBuffer) => string;
+base64DecodeBuffer: (base64: string) => ArrayBuffer;
+sha256: (data: ArrayBuffer) => string;
+ +decodeUTF8ArrayBufferToString: (data: ArrayBuffer) => string;
+ +encodeStringToUTF8ArrayBuffer: (str: string) => ArrayBuffer;
}
export default (TurboModuleRegistry.getEnforcing<Spec>(

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