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https://github.com/openharmony/js_api_module.git
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Bi
3945b421ed
Signed-off-by: xllify <lixinlong18@huawei.com> Author: xllify <lixinlong18@huawei.com> Date: Fri Mar 11 16:35:49 2022 +0800
104 lines
3.4 KiB
C++
Executable File
104 lines
3.4 KiB
C++
Executable File
/*
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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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#ifndef FOUNDATION_CCRUNTIME_TEXTCODER_JS_TEXTDECODER_H
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#define FOUNDATION_CCRUNTIME_TEXTCODER_JS_TEXTDECODER_H
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#include <memory.h>
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#include <string>
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#include <vector>
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#include "napi/native_api.h"
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#include "napi/native_node_api.h"
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#include "unicode/ucnv.h"
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using TransformToolPointer = std::unique_ptr<UConverter, void(*)(UConverter*)>;
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namespace OHOS::Util {
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struct DecodeArr {
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DecodeArr(UChar *tarPos, size_t tarStaPos, size_t limLen)
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{
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this->target = tarPos;
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this->tarStartPos = tarStaPos;
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this->limitLen = limLen;
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}
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UChar *target = 0;
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size_t tarStartPos = 0;
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size_t limitLen = 0;
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};
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class TextDecoder {
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public:
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enum class ConverterFlags {
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FLUSH_FLG = 0x1,
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FATAL_FLG = 0x2,
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IGNORE_BOM_FLG = 0x4,
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UNICODE_FLG = 0x8,
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BOM_SEEN_FLG = 0x10,
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};
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public:
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TextDecoder(napi_env env, std::string buff, std::vector<int> optionVec);
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virtual ~TextDecoder() {}
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napi_value Decode(napi_value src, bool iflag);
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napi_value GetEncoding() const;
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napi_value GetFatal() const;
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napi_value GetIgnoreBOM() const;
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size_t GetMinByteSize() const;
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void Reset() const;
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UConverter *GetConverterPtr() const
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{
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return tranTool_.get();
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}
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bool IsBomFlag() const
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{
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uint32_t temp = label_ & static_cast<uint32_t>(ConverterFlags::BOM_SEEN_FLG);
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if (temp == static_cast<uint32_t>(ConverterFlags::BOM_SEEN_FLG)) {
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return true;
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} else {
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return false;
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}
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}
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bool IsUnicode() const
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{
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uint32_t temp = label_ & static_cast<uint32_t>(ConverterFlags::UNICODE_FLG);
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if (temp == static_cast<uint32_t>(ConverterFlags::UNICODE_FLG)) {
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return true;
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} else {
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return false;
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}
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}
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bool IsIgnoreBom() const
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{
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uint32_t temp = label_ & static_cast<uint32_t>(ConverterFlags::IGNORE_BOM_FLG);
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if (temp == static_cast<uint32_t>(ConverterFlags::IGNORE_BOM_FLG)) {
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return true;
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} else {
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return false;
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}
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}
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static void ConverterClose(UConverter *pointer)
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{
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ucnv_close(pointer);
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}
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private:
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void SetBomFlag(const UChar *arr, const UErrorCode codeFlag, const DecodeArr decArr,
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size_t& rstLen, bool& bomFlag);
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void FreedMemory(UChar *pData);
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napi_env env_;
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uint32_t label_;
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std::string encStr_;
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TransformToolPointer tranTool_;
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};
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}
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#endif /* FOUNDATION_CCRUNTIME_TEXTCODER_JS_TEXTDECODER_H */
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