| 55 | } |
| 56 | |
| 57 | jsi::Value |
| 58 | CommUtilsModule::readBufferFromFile(jsi::Runtime &rt, jsi::String path) { |
| 59 | auto filePath = path.utf8(rt); |
| 60 | return createPromiseAsJSIValue( |
| 61 | rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) { |
| 62 | taskType job = [=, &innerRt]() { |
| 63 | std::string error; |
| 64 | std::streampos file_size; |
| 65 | std::shared_ptr<uint8_t> data{nullptr}; |
| 66 | try { |
| 67 | // Open a file |
| 68 | std::ifstream file; |
| 69 | file.exceptions(std::fstream::failbit | std::fstream::badbit); |
| 70 | file.open(filePath, std::ios::binary); |
| 71 | |
| 72 | // Get file size |
| 73 | std::streampos current_pos = file.tellg(); |
| 74 | file.seekg(0, std::ios::end); |
| 75 | file_size = file.tellg(); |
| 76 | file.seekg(current_pos); |
| 77 | |
| 78 | // Read file content |
| 79 | data = std::shared_ptr<uint8_t>{new uint8_t[file_size]}; |
| 80 | file.read((char *)data.get(), file_size); |
| 81 | file.close(); |
| 82 | } catch (const std::exception &e) { |
| 83 | error = "Failed to read file " + filePath + ": " + e.what(); |
| 84 | } |
| 85 | |
| 86 | this->jsInvoker_->invokeAsync([=, &innerRt]() { |
| 87 | if (error.size()) { |
| 88 | promise->reject(error); |
| 89 | return; |
| 90 | } |
| 91 | auto arrayBuffer = |
| 92 | innerRt.global() |
| 93 | .getPropertyAsFunction(innerRt, "ArrayBuffer") |
| 94 | // ArrayBuffer constructor takes one parameter: byte length |
| 95 | .callAsConstructor( |
| 96 | innerRt, {static_cast<double>(file_size)}) |
| 97 | .asObject(innerRt) |
| 98 | .getArrayBuffer(innerRt); |
| 99 | auto bufferPtr = arrayBuffer.data(innerRt); |
| 100 | memcpy((void *)bufferPtr, data.get(), file_size); |
| 101 | promise->resolve(std::move(arrayBuffer)); |
| 102 | }); |
| 103 | }; |
| 104 | this->utilsThread->scheduleTask(job); |
| 105 | }); |
| 106 | } |
| 107 | |
| 108 | jsi::String |
| 109 | CommUtilsModule::base64EncodeBuffer(jsi::Runtime &rt, jsi::Object data) { |