mirror of
https://github.com/openharmony/js_api_module.git
synced 2026-07-15 06:48:39 -04:00
lengchangjing
1956f2e85d
Related Issue https://gitee.com/openharmony/manifest/issues/I5HDQT Description Switch component name from ts_js_lang_library to ets_utils for js_api_module,js_util_module,js_sys_module,js_worker_module Signed-off-by: lengchangjing <lengchangjing@huawei.com>
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "js_textencoder.h"
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#include "native_engine.h"
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#include "securec.h"
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#include "utils/log.h"
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namespace OHOS::Util {
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napi_value TextEncoder::GetEncoding(napi_env env) const
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{
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napi_value result = nullptr;
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NAPI_CALL(env, napi_create_string_utf8(env, encoding_.c_str(), encoding_.length(), &result));
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return result;
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}
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napi_value TextEncoder::Encode(napi_env env, napi_value src) const
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{
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std::string buffer = "";
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if (!(encoding_ == "utf-8" || encoding_ == "UTF-8")) {
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NativeEngine *engine = reinterpret_cast<NativeEngine*>(env);
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NativeValue *nativeValue = reinterpret_cast<NativeValue*>(src);
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engine->EncodeToChinese(nativeValue, buffer, encoding_);
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} else {
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size_t bufferSize = 0;
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if (napi_get_value_string_utf8(env, src, nullptr, 0, &bufferSize) != napi_ok) {
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HILOG_ERROR("can not get src size");
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return nullptr;
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}
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buffer.resize(bufferSize);
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if (napi_get_value_string_utf8(env, src, buffer.data(), bufferSize + 1, &bufferSize) != napi_ok) {
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HILOG_ERROR("can not get src value");
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return nullptr;
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}
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}
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size_t outLen = buffer.length();
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void *data = nullptr;
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napi_value arrayBuffer = nullptr;
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napi_create_arraybuffer(env, outLen, &data, &arrayBuffer);
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if (memcpy_s(data, outLen, reinterpret_cast<void*>(buffer.data()), outLen) != EOK) {
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HILOG_ERROR("copy buffer to arraybuffer error");
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return nullptr;
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}
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napi_value result = nullptr;
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napi_create_typedarray(env, napi_uint8_array, outLen, arrayBuffer, 0, &result);
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return result;
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}
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napi_value TextEncoder::EncodeInto(napi_env env, napi_value src, napi_value dest) const
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{
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napi_typedarray_type type;
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size_t byteOffset = 0;
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size_t length = 0;
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void *resultData = nullptr;
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napi_value resultBuffer = nullptr;
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NAPI_CALL(env, napi_get_typedarray_info(env, dest, &type, &length, &resultData, &resultBuffer, &byteOffset));
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char *writeResult = static_cast<char*>(resultData) + byteOffset;
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int32_t nchars = 0;
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int32_t written = 0;
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NativeEngine *engine = reinterpret_cast<NativeEngine*>(env);
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NativeValue *nativeValue = reinterpret_cast<NativeValue*>(src);
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engine->EncodeToUtf8(nativeValue, writeResult, &written, length, &nchars);
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napi_value result = nullptr;
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NAPI_CALL(env, napi_create_object(env, &result));
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napi_value read = nullptr;
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NAPI_CALL(env, napi_create_int32(env, nchars, &read));
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NAPI_CALL(env, napi_set_named_property(env, result, "read", read));
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napi_value resWritten = nullptr;
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NAPI_CALL(env, napi_create_int32(env, written, &resWritten));
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NAPI_CALL(env, napi_set_named_property(env, result, "written", resWritten));
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return result;
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}
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}
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