mirror of
https://github.com/openharmony/js_api_module.git
synced 2026-07-22 06:45:22 -04:00
lifansheng
443 lines
16 KiB
C++
Executable File
443 lines
16 KiB
C++
Executable File
/*
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* Copyright (c) 2021 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_convertxml.h"
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#include "securec.h"
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#include "utils/log.h"
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ConvertXml::ConvertXml(napi_env env): env_(env)
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{
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m_SpaceType = SpaceType::T_INIT;
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m_strSpace = "";
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m_iSpace = 0;
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}
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std::string ConvertXml::GetNodeType(xmlElementType enumType)
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{
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std::string strResult = "";
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switch (enumType) {
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case xmlElementType::XML_ELEMENT_NODE:
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strResult = "element";
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break;
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case xmlElementType::XML_ATTRIBUTE_NODE:
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strResult = "attribute";
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break;
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case xmlElementType::XML_TEXT_NODE:
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strResult = "text";
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break;
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case xmlElementType::XML_CDATA_SECTION_NODE:
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strResult = "cdata";
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break;
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case xmlElementType::XML_ENTITY_REF_NODE:
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strResult = "entity_ref";
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break;
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case xmlElementType::XML_ENTITY_NODE:
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strResult = "entity";
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break;
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case xmlElementType::XML_PI_NODE:
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strResult = "instruction";
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break;
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case xmlElementType::XML_COMMENT_NODE:
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strResult = "comment";
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break;
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case xmlElementType::XML_DOCUMENT_NODE:
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strResult = "document";
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break;
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case xmlElementType::XML_DOCUMENT_TYPE_NODE:
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strResult = "document_type";
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break;
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case xmlElementType::XML_DOCUMENT_FRAG_NODE:
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strResult = "document_frag";
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break;
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case xmlElementType::XML_DTD_NODE:
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strResult = "doctype";
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break;
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#ifdef LIBXML_DOCB_ENABLED
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case xmlElementType::XML_DOCB_DOCUMENT_NODE:
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strResult = "docb_document";
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break;
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#endif
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default:
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break;
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}
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return strResult;
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}
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void ConvertXml::SetKeyValue(napi_value &object, std::string strKey, std::string strValue)
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{
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napi_value attrValue = nullptr;
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napi_create_string_utf8(env_, strValue.c_str(), NAPI_AUTO_LENGTH, &attrValue);
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napi_set_named_property(env_, object, strKey.c_str(), attrValue);
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}
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std::string ConvertXml::Trim(std::string strXmltrim)
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{
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if (strXmltrim.empty()) {
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return "";
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}
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size_t i = 0;
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size_t strlen = strXmltrim.size();
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for (; i < strlen;) {
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if (strXmltrim[i] == ' ') {
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i++;
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} else {
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break;
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}
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}
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strXmltrim = strXmltrim.substr(i);
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strlen = strXmltrim.size();
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for (i = strlen - 1; i != 0; i--) {
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if (strXmltrim[i] == ' ') {
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strXmltrim.pop_back();
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} else {
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break;
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}
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}
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return strXmltrim;
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}
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void ConvertXml::GetPrevNodeList(xmlNodePtr curNode)
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{
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while (curNode->prev != nullptr) {
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curNode = curNode->prev;
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napi_value elementsObject = nullptr;
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napi_create_object(env_, &elementsObject);
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if (curNode->type == xmlElementType::XML_PI_NODE && !m_Options.ignoreInstruction) {
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SetKeyValue(elementsObject, m_Options.type, GetNodeType(curNode->type));
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SetKeyValue(elementsObject, m_Options.name, (char*)curNode->name);
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SetKeyValue(elementsObject, m_Options.instruction, (const char*)xmlNodeGetContent(curNode));
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m_prevObj.push_back(elementsObject);
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}
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if (curNode->type == xmlElementType::XML_COMMENT_NODE && !m_Options.ignoreComment) {
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SetKeyValue(elementsObject, m_Options.type, GetNodeType(curNode->type));
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SetKeyValue(elementsObject, m_Options.comment, (const char*)xmlNodeGetContent(curNode));
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m_prevObj.push_back(elementsObject);
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}
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if (curNode->type == xmlElementType::XML_DTD_NODE && !m_Options.ignoreDoctype) {
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SetKeyValue(elementsObject, m_Options.type, GetNodeType(curNode->type));
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SetKeyValue(elementsObject, m_Options.doctype, (char*)curNode->name);
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m_prevObj.push_back(elementsObject);
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}
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}
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}
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void ConvertXml::SetAttributes(xmlNodePtr curNode, napi_value &elementsObject)
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{
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xmlAttr *attr = curNode->properties;
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if (attr && !m_Options.ignoreAttributes) {
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napi_value attrTitleObj = nullptr;
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napi_create_object(env_, &attrTitleObj);
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while (attr) {
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SetKeyValue(attrTitleObj, (const char*)attr->name, (const char*)attr->children->content);
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attr = attr->next;
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}
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napi_set_named_property(env_, elementsObject, m_Options.attributes.c_str(), attrTitleObj);
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}
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}
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void ConvertXml::SetXmlElementType(xmlNodePtr curNode, napi_value &elementsObject, bool &bFlag)
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{
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if (curNode->type == xmlElementType::XML_PI_NODE && !m_Options.ignoreInstruction) {
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SetKeyValue(elementsObject, m_Options.instruction.c_str(), (const char*)xmlNodeGetContent(curNode));
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bFlag = true;
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} else if (curNode->type == xmlElementType::XML_COMMENT_NODE && !m_Options.ignoreComment) {
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SetKeyValue(elementsObject, m_Options.comment.c_str(), (const char*)xmlNodeGetContent(curNode));
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bFlag = true;
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} else if (curNode->type == xmlElementType::XML_CDATA_SECTION_NODE && !m_Options.ignoreCdata) {
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SetKeyValue(elementsObject, m_Options.cdata, (const char*)xmlNodeGetContent(curNode));
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bFlag = true;
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}
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}
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void ConvertXml::SetNodeInfo(xmlNodePtr curNode, napi_value &elementsObject)
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{
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if (curNode->type == xmlElementType::XML_PI_NODE) {
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if (!m_Options.ignoreInstruction) {
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SetKeyValue(elementsObject, m_Options.type, GetNodeType(curNode->type));
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}
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} else {
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SetKeyValue(elementsObject, m_Options.type, GetNodeType(curNode->type));
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}
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if ((curNode->type != xmlElementType::XML_COMMENT_NODE) &&
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(curNode->type != xmlElementType::XML_CDATA_SECTION_NODE)) {
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if (!(curNode->type == xmlElementType::XML_PI_NODE && m_Options.ignoreInstruction)) {
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SetKeyValue(elementsObject, m_Options.name, (char*)curNode->name);
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}
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}
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}
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void ConvertXml::SetEndInfo(xmlNodePtr curNode, napi_value &elementsObject, bool &bFlag, bool &bText, int32_t index)
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{
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SetKeyValue(elementsObject, m_Options.type, GetNodeType(curNode->type));
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if (curNode->type == xmlElementType::XML_ELEMENT_NODE) {
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SetKeyValue(elementsObject, m_Options.name.c_str(), (const char*)curNode->name);
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bFlag = true;
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} else if (curNode->type == xmlElementType::XML_TEXT_NODE) {
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if (m_Options.trim) {
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SetKeyValue(elementsObject, m_Options.text, Trim((const char*)xmlNodeGetContent(curNode)));
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} else {
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SetKeyValue(elementsObject, m_Options.text, (const char*)xmlNodeGetContent(curNode));
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}
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if (!m_Options.ignoreText) {
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bFlag = true;
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}
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if (index != 0) {
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bText = false;
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}
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}
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}
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void ConvertXml::SetPrevInfo(napi_value &recvElement, int flag, int32_t &index1)
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{
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if (!m_prevObj.empty() && !flag) {
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for (int i = (m_prevObj.size() - 1); i >= 0; --i) {
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napi_set_element(env_, recvElement, index1++, m_prevObj[i]);
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}
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}
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}
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void ConvertXml::GetXMLInfo(xmlNodePtr curNode, napi_value &object, int flag)
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{
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napi_value elements = nullptr;
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napi_create_array(env_, &elements);
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napi_value recvElement;
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napi_create_array(env_, &recvElement);
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xmlNodePtr pNode = curNode;
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int32_t index = 0;
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int32_t index1 = 0;
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bool bFlag = false;
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bool bText = true;
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while (pNode != nullptr) {
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bFlag = false;
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bText = true;
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napi_value elementsObject = nullptr;
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napi_create_object(env_, &elementsObject);
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if (flag == 0 || (index % 2 != 0)) { // 2:pNode
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SetNodeInfo(pNode, elementsObject);
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}
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SetAttributes(pNode, elementsObject);
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napi_value tempElement = nullptr;
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napi_create_array(env_, &tempElement);
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napi_value elementObj = nullptr;
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napi_create_object(env_, &elementObj);
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if (xmlNodeGetContent(pNode) != nullptr) {
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if (pNode->children != nullptr) {
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curNode = pNode->children;
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GetXMLInfo(curNode, elementsObject, 1);
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bFlag = true;
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} else if (index % 2 != 0) { // 2:pNode
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SetXmlElementType(pNode, elementsObject, bFlag);
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} else if (pNode->next == nullptr) {
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SetEndInfo(pNode, elementsObject, bFlag, bText, index);
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}
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}
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SetPrevInfo(recvElement, flag, index1);
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if (elementsObject != nullptr && bFlag && bText) {
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napi_set_element(env_, recvElement, index1++, elementsObject);
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elementsObject = nullptr;
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}
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index++;
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pNode = pNode->next;
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}
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if (bFlag) {
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napi_set_named_property(env_, object, m_Options.elements.c_str(), recvElement);
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}
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}
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napi_value ConvertXml::convert(std::string strXml)
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{
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xmlDocPtr doc = NULL;
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xmlNodePtr curNode = NULL;
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napi_status status = napi_ok;
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size_t len = strXml.size();
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doc = xmlParseMemory(strXml.c_str(), len);
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if (!doc) {
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xmlFreeDoc(doc);
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}
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napi_value object = nullptr;
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status = napi_create_object(env_, &object);
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if (status != napi_ok) {
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return NULL;
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}
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napi_value subObject = nullptr;
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napi_value subSubObject = nullptr;
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napi_value napiKey = nullptr;
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napi_create_object(env_, &subSubObject);
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napi_create_object(env_, &subObject);
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napi_create_string_utf8(env_, (const char*)doc->version, NAPI_AUTO_LENGTH, &napiKey);
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napi_set_named_property(env_, subSubObject, "version", napiKey);
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napi_create_string_utf8(env_, (const char*)doc->encoding, NAPI_AUTO_LENGTH, &napiKey);
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napi_set_named_property(env_, subSubObject, "encoding", napiKey);
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if (!m_Options.ignoreDeclaration) {
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napi_set_named_property(env_, subObject, m_Options.attributes.c_str(), subSubObject);
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napi_set_named_property(env_, object, m_Options.declaration.c_str(), subObject);
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}
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curNode = xmlDocGetRootElement(doc);
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GetPrevNodeList(curNode);
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GetXMLInfo(curNode, object, 0);
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napi_value iTemp = nullptr;
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switch (m_SpaceType) {
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case (SpaceType::T_INT32):
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napi_create_int32(env_, m_iSpace, &iTemp);
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napi_set_named_property(env_, object, "spaces", iTemp);
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break;
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case (SpaceType::T_STRING):
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SetKeyValue(object, "spaces", m_strSpace);
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break;
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case (SpaceType::T_INIT):
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SetKeyValue(object, "spaces", m_strSpace);
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break;
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default:
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break;
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}
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return object;
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}
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napi_status ConvertXml::DealNapiStrValue(napi_value napi_StrValue, std::string &result)
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{
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char *buffer = nullptr;
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size_t bufferSize = 0;
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napi_status status = napi_ok;
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status = napi_get_value_string_utf8(env_, napi_StrValue, buffer, -1, &bufferSize);
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if (status != napi_ok) {
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return status;
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}
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buffer = new char[bufferSize + 1];
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napi_get_value_string_utf8(env_, napi_StrValue, buffer, bufferSize + 1, &bufferSize);
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if (buffer != nullptr) {
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result = buffer;
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delete []buffer;
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buffer = nullptr;
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}
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return status;
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}
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void ConvertXml::DealSpaces(napi_value napi_obj)
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{
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napi_value recvTemp = nullptr;
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napi_get_named_property(env_, napi_obj, "spaces", &recvTemp);
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napi_valuetype valuetype = napi_undefined;
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napi_typeof(env_, recvTemp, &valuetype);
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if (valuetype == napi_string) {
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DealNapiStrValue(recvTemp, m_strSpace);
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m_SpaceType = SpaceType::T_STRING;
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} else if (valuetype == napi_number) {
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int32_t iTemp;
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if (napi_get_value_int32(env_, recvTemp, &iTemp) == napi_ok) {
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m_iSpace = iTemp;
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m_SpaceType = SpaceType::T_INT32;
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}
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}
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}
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void ConvertXml::DealIgnore(napi_value napi_obj)
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{
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std::vector<std::string>vctIgnore = { "compact", "trim", "ignoreDeclaration", "ignoreInstruction",
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"ignoreAttributes", "ignoreComment", "ignoreCdata", "ignoreDoctype", "ignoreText" };
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for (size_t i = 0; i < vctIgnore.size(); ++i) {
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napi_value recvTemp = nullptr;
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bool bRecv = false;
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napi_get_named_property(env_, napi_obj, vctIgnore[i].c_str(), &recvTemp);
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if ((napi_get_value_bool(env_, recvTemp, &bRecv)) == napi_ok) {
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switch (i) {
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case 0:
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m_Options.compact = bRecv;
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break;
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case 1: // 1:trim
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m_Options.trim = bRecv;
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break;
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case 2: // 2:ignoreDeclaration
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m_Options.ignoreDeclaration = bRecv;
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break;
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case 3: // 3:ignoreInstruction
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m_Options.ignoreInstruction = bRecv;
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break;
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case 4: // 4:ignoreAttributes
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m_Options.ignoreAttributes = bRecv;
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break;
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case 5: // 5:ignoreComment
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m_Options.ignoreComment = bRecv;
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break;
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case 6: // 6:ignoreCdata
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m_Options.ignoreCdata = bRecv;
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break;
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case 7: // 7:ignoreDoctype
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m_Options.ignoreDoctype = bRecv;
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break;
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case 8: // 8:ignoreText
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m_Options.ignoreText = bRecv;
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break;
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default:
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break;
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}
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}
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}
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}
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void ConvertXml::SetDefaultKey(size_t i, std::string strRecv)
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{
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switch (i) {
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case 0:
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m_Options.declaration = strRecv;
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break;
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case 1:
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m_Options.instruction = strRecv;
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break;
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case 2: // 2:attributes
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m_Options.attributes = strRecv;
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break;
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case 3: // 3:text
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m_Options.text = strRecv;
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break;
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case 4: // 4:cdata
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m_Options.cdata = strRecv;
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break;
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case 5: // 5:doctype
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m_Options.doctype = strRecv;
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break;
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case 6: // 6:comment
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m_Options.comment = strRecv;
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break;
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case 7: // 7:parent
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m_Options.parent = strRecv;
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break;
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case 8: // 8:type
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m_Options.type = strRecv;
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break;
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case 9: // 9:name
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m_Options.name = strRecv;
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break;
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case 10: // 10:elements
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m_Options.elements = strRecv;
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break;
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default:
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break;
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}
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}
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void ConvertXml::DealOptions(napi_value napi_obj)
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{
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std::vector<std::string>vctOptions = { "declarationKey", "instructionKey", "attributesKey", "textKey",
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"cdataKey", "doctypeKey", "commentKey", "parentKey", "typeKey", "nameKey", "elementsKey" };
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for (size_t i = 0; i < vctOptions.size(); ++i) {
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napi_value recvTemp = nullptr;
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std::string strRecv = "";
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napi_get_named_property(env_, napi_obj, vctOptions[i].c_str(), &recvTemp);
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if ((DealNapiStrValue(recvTemp, strRecv)) == napi_ok) {
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SetDefaultKey(i, strRecv);
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}
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}
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DealIgnore(napi_obj);
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DealSpaces(napi_obj);
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}
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