mirror of
https://github.com/openharmony/js_util_module.git
synced 2026-07-21 06:05:21 -04:00
shikai-123
97c60bb4c6
Signed-off-by: shikai-123 <lifansheng1@huawei.com> On branch master Your branch is up to date with 'origin/master'.
95 lines
3.3 KiB
C++
Executable File
95 lines
3.3 KiB
C++
Executable File
/*
|
|
* Copyright (c) 2021 Huawei Device Co., Ltd.
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "js_textencoder.h"
|
|
|
|
#include <string>
|
|
|
|
#include "native_engine.h"
|
|
#include "securec.h"
|
|
#include "utils/log.h"
|
|
namespace OHOS::Util {
|
|
TextEncoder::TextEncoder(napi_env env) : env_(env), encoding_("utf-8")
|
|
{
|
|
}
|
|
|
|
napi_value TextEncoder::GetEncoding() const
|
|
{
|
|
napi_value result = nullptr;
|
|
NAPI_CALL(env_, napi_create_string_utf8(env_, encoding_.c_str(), encoding_.length(), &result));
|
|
|
|
return result;
|
|
}
|
|
|
|
napi_value TextEncoder::Encode(napi_value src) const
|
|
{
|
|
char *buffer = nullptr;
|
|
size_t bufferSize = 0;
|
|
|
|
NAPI_CALL(env_, napi_get_value_string_utf8(env_, src, buffer, 0, &bufferSize));
|
|
NAPI_ASSERT(env_, bufferSize > 0, "bufferSize == 0");
|
|
buffer = new char[bufferSize + 1];
|
|
|
|
NAPI_CALL(env_, napi_get_value_string_utf8(env_, src, buffer, bufferSize + 1, &bufferSize));
|
|
|
|
void *data = nullptr;
|
|
napi_value arrayBuffer = nullptr;
|
|
NAPI_CALL(env_, napi_create_arraybuffer(env_, bufferSize, &data, &arrayBuffer));
|
|
if (memcpy_s(data, bufferSize, reinterpret_cast<void*>(buffer), bufferSize) != 0) {
|
|
HILOG_ERROR("copy buffer to arraybuffer error");
|
|
return nullptr;
|
|
}
|
|
|
|
delete []buffer;
|
|
|
|
napi_value result = nullptr;
|
|
NAPI_CALL(env_, napi_create_typedarray(env_, napi_uint8_array, bufferSize, arrayBuffer, 0, &result));
|
|
|
|
return result;
|
|
}
|
|
|
|
napi_value TextEncoder::EncodeInto(napi_value src, napi_value dest) const
|
|
{
|
|
napi_typedarray_type type;
|
|
size_t byteOffset = 0;
|
|
size_t length = 0;
|
|
void *resultData = nullptr;
|
|
napi_value resultBuffer = nullptr;
|
|
NAPI_CALL(env_, napi_get_typedarray_info(env_, dest, &type, &length, &resultData, &resultBuffer, &byteOffset));
|
|
|
|
char *writeResult = static_cast<char*>(resultData) + byteOffset;
|
|
|
|
int32_t nchars = 0;
|
|
int32_t written = 0;
|
|
NativeEngine *engine = reinterpret_cast<NativeEngine*>(env_);
|
|
NativeValue *nativeValue = reinterpret_cast<NativeValue*>(src);
|
|
engine->EncodeToUtf8(nativeValue, writeResult, &written, length, &nchars);
|
|
|
|
napi_value result = nullptr;
|
|
NAPI_CALL(env_, napi_create_object(env_, &result));
|
|
|
|
napi_value read = nullptr;
|
|
NAPI_CALL(env_, napi_create_int32(env_, nchars, &read));
|
|
|
|
NAPI_CALL(env_, napi_set_named_property(env_, result, "read", read));
|
|
|
|
napi_value resWritten = nullptr;
|
|
NAPI_CALL(env_, napi_create_int32(env_, written, &resWritten));
|
|
|
|
NAPI_CALL(env_, napi_set_named_property(env_, result, "written", resWritten));
|
|
|
|
return result;
|
|
}
|
|
} |