mirror of
https://github.com/openharmony/js_api_module.git
synced 2026-07-21 06:15:27 -04:00
xdmal
608 lines
24 KiB
C++
Executable File
608 lines
24 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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#include "js_convertxml.h"
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#include "securec.h"
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#include "utils/log.h"
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namespace OHOS::Xml {
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ConvertXml::ConvertXml(napi_env env): env_(env)
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{
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spaceType_ = SpaceType::T_INIT;
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strSpace_ = "";
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iSpace_ = 0;
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}
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std::string ConvertXml::GetNodeType(const xmlElementType enumType) const
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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(const napi_value &object, const std::string strKey, const std::string strValue) const
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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) const
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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 && !options_.ignoreInstruction) {
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SetKeyValue(elementsObject, options_.type, GetNodeType(curNode->type));
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SetKeyValue(elementsObject, options_.name, reinterpret_cast<const char*>(curNode->name));
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char *curContent = reinterpret_cast<char*>(xmlNodeGetContent(curNode));
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if (curContent != nullptr) {
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SetKeyValue(elementsObject, options_.instruction, curContent);
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xmlFree(reinterpret_cast<void*>(curContent));
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}
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prevObj_.push_back(elementsObject);
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}
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if (curNode->type == xmlElementType::XML_COMMENT_NODE && !options_.ignoreComment) {
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SetKeyValue(elementsObject, options_.type, GetNodeType(curNode->type));
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char *curContent_ = reinterpret_cast<char*>(xmlNodeGetContent(curNode));
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if (curContent_ != nullptr) {
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SetKeyValue(elementsObject, options_.comment, curContent_);
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xmlFree(reinterpret_cast<void*>(curContent_));
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}
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prevObj_.push_back(elementsObject);
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}
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if (curNode->type == xmlElementType::XML_DTD_NODE && !options_.ignoreDoctype) {
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SetKeyValue(elementsObject, options_.type, GetNodeType(curNode->type));
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SetKeyValue(elementsObject, options_.doctype,
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reinterpret_cast<const char*>(curNode->name));
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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, const napi_value &elementsObject) const
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{
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xmlAttr *attr = curNode->properties;
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if (attr && !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, reinterpret_cast<const char*>(attr->name),
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reinterpret_cast<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, options_.attributes.c_str(), attrTitleObj);
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}
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}
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void ConvertXml::SetXmlElementType(xmlNodePtr curNode, const napi_value &elementsObject, bool &bFlag) const
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{
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char *curContent = reinterpret_cast<char*>(xmlNodeGetContent(curNode));
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if (curNode->type == xmlElementType::XML_PI_NODE && !options_.ignoreInstruction) {
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if (curContent != nullptr) {
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SetKeyValue(elementsObject, options_.instruction.c_str(), curContent);
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bFlag = true;
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}
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} else if (curNode->type == xmlElementType::XML_COMMENT_NODE && !options_.ignoreComment) {
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if (curContent != nullptr) {
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SetKeyValue(elementsObject, options_.comment.c_str(), curContent);
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bFlag = true;
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}
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} else if (curNode->type == xmlElementType::XML_CDATA_SECTION_NODE && !options_.ignoreCdata) {
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if (curContent != nullptr) {
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SetKeyValue(elementsObject, options_.cdata, curContent);
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bFlag = true;
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}
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}
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if (curContent != nullptr) {
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xmlFree(reinterpret_cast<void*>(curContent));
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}
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}
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void ConvertXml::SetNodeInfo(xmlNodePtr curNode, const napi_value &elementsObject) const
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{
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if (curNode->type == xmlElementType::XML_TEXT_NODE) {
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return;
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} else {
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if (curNode->type == xmlElementType::XML_PI_NODE) {
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if (!options_.ignoreInstruction) {
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SetKeyValue(elementsObject, options_.type, GetNodeType(curNode->type));
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}
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} else {
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SetKeyValue(elementsObject, 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 && options_.ignoreInstruction)) {
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SetKeyValue(elementsObject, options_.name, reinterpret_cast<const char*>(curNode->name));
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}
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}
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}
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}
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void ConvertXml::SetEndInfo(xmlNodePtr curNode, const napi_value &elementsObject, bool &bFlag) const
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{
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SetKeyValue(elementsObject, options_.type, GetNodeType(curNode->type));
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if (curNode->type == xmlElementType::XML_ELEMENT_NODE) {
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SetKeyValue(elementsObject, options_.name.c_str(),
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reinterpret_cast<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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char *curContent = reinterpret_cast<char*>(xmlNodeGetContent(curNode));
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if (options_.trim) {
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if (curContent != nullptr) {
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SetKeyValue(elementsObject, options_.text,
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Trim(curContent));
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}
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} else {
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if (curContent != nullptr) {
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SetKeyValue(elementsObject, options_.text, curContent);
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}
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}
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if (curContent != nullptr) {
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xmlFree(reinterpret_cast<void*>(curContent));
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}
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if (!options_.ignoreText) {
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bFlag = true;
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}
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}
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}
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void ConvertXml::SetPrevInfo(const napi_value &recvElement, int flag, int32_t &index1) const
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{
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if (!prevObj_.empty() && !flag) {
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for (size_t i = (prevObj_.size() - 1); i > 0; --i) {
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napi_set_element(env_, recvElement, index1++, prevObj_[i]);
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}
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napi_set_element(env_, recvElement, index1++, prevObj_[0]);
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}
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}
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void ConvertXml::GetXMLInfo(xmlNodePtr curNode, const 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 = nullptr;
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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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while (pNode != nullptr) {
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bFlag = false;
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napi_value elementsObject = nullptr;
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napi_create_object(env_, &elementsObject);
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SetNodeInfo(pNode, elementsObject);
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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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char *curContent = reinterpret_cast<char*>(xmlNodeGetContent(pNode));
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if (curContent != 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 {
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SetXmlElementType(pNode, elementsObject, bFlag);
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SetEndInfo(pNode, elementsObject, bFlag);
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}
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xmlFree(reinterpret_cast<void*>(curContent));
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}
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SetPrevInfo(recvElement, flag, index1);
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if (elementsObject != nullptr && bFlag) {
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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, options_.elements.c_str(), recvElement);
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}
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}
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void ConvertXml::SetSpacesInfo(const napi_value &object) const
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{
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napi_value iTemp = nullptr;
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switch (spaceType_) {
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case (SpaceType::T_INT32):
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napi_create_int32(env_, 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", strSpace_);
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break;
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case (SpaceType::T_INIT):
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SetKeyValue(object, "spaces", strSpace_);
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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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napi_value ConvertXml::Convert(std::string strXml)
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{
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xmlDocPtr doc = nullptr;
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xmlNodePtr curNode = nullptr;
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napi_status status = napi_ok;
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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 nullptr;
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}
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Replace(strXml, "\\r", "\r");
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Replace(strXml, "\\n", "\n");
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Replace(strXml, "\\v", "\v");
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Replace(strXml, "]]><![CDATA", "]]> <![CDATA");
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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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DealSingleLine(strXml, object);
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SetSpacesInfo(object);
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return object;
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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_create_object(env_, &subSubObject);
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napi_create_object(env_, &subObject);
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if (doc != nullptr && doc->version != nullptr) {
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SetKeyValue(subSubObject, "version", (const char*)doc->version);
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}
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if (doc != nullptr && doc->encoding != nullptr) {
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SetKeyValue(subSubObject, "encoding", (const char*)doc->encoding);
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}
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if (!options_.ignoreDeclaration && strXml.find("xml") != std::string::npos) {
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napi_set_named_property(env_, subObject, options_.attributes.c_str(), subSubObject);
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napi_set_named_property(env_, object, options_.declaration.c_str(), subObject);
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}
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if (doc != nullptr) {
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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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}
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SetSpacesInfo(object);
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return object;
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}
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napi_status ConvertXml::DealNapiStrValue(const napi_value napi_StrValue, std::string &result) const
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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, nullptr, -1, &bufferSize);
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if (status != napi_ok) {
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return status;
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}
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if (bufferSize > 0) {
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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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}
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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(const napi_value napiObj)
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{
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napi_value recvTemp = nullptr;
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napi_get_named_property(env_, napiObj, "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, strSpace_);
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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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iSpace_ = iTemp;
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spaceType_ = SpaceType::T_INT32;
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}
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}
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}
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void ConvertXml::DealIgnore(const napi_value napiObj)
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{
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std::vector<std::string> vctIgnore = {"compact", "trim", "ignoreDeclaration", "ignoreInstruction",
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"ignoreAttributes", "ignoreComment", "ignoreCDATA",
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"ignoreDoctype", "ignoreText"};
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size_t vctLength = vctIgnore.size();
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for (size_t i = 0; i < vctLength; ++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_, napiObj, 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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options_.compact = bRecv;
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break;
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case 1: // 1:trim
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options_.trim = bRecv;
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break;
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case 2: // 2:ignoreDeclaration
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options_.ignoreDeclaration = bRecv;
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break;
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case 3: // 3:ignoreInstruction
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options_.ignoreInstruction = bRecv;
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break;
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case 4: // 4:ignoreAttributes
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options_.ignoreAttributes = bRecv;
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break;
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case 5: // 5:ignoreComment
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options_.ignoreComment = bRecv;
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break;
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case 6: // 6:ignoreCdata
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options_.ignoreCdata = bRecv;
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break;
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case 7: // 7:ignoreDoctype
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options_.ignoreDoctype = bRecv;
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break;
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case 8: // 8:ignoreText
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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, const std::string strRecv)
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{
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switch (i) {
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case 0:
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options_.declaration = strRecv;
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break;
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case 1:
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options_.instruction = strRecv;
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break;
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case 2: // 2:attributes
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options_.attributes = strRecv;
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break;
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case 3: // 3:text
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options_.text = strRecv;
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break;
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case 4: // 4:cdata
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options_.cdata = strRecv;
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break;
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case 5: // 5:doctype
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options_.doctype = strRecv;
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break;
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case 6: // 6:comment
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options_.comment = strRecv;
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break;
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case 7: // 7:parent
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options_.parent = strRecv;
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break;
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case 8: // 8:type
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options_.type = strRecv;
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break;
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case 9: // 9:name
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options_.name = strRecv;
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break;
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case 10: // 10:elements
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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(const napi_value napiObj)
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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",
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"nameKey", "elementsKey"};
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size_t vctLength = vctOptions.size();
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for (size_t i = 0; i < vctLength; ++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_, napiObj, 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(napiObj);
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DealSpaces(napiObj);
|
|
}
|
|
|
|
void ConvertXml::DealSingleLine(std::string &strXml, const napi_value &object)
|
|
{
|
|
size_t iXml = 0;
|
|
if ((iXml = strXml.find("xml")) != std::string::npos) {
|
|
xmlInfo_.bXml = true;
|
|
napi_value declObj = nullptr;
|
|
napi_create_object(env_, &declObj);
|
|
napi_value attrObj = nullptr;
|
|
bool bFlag = false;
|
|
napi_create_object(env_, &attrObj);
|
|
if (strXml.find("version=") != std::string::npos) {
|
|
xmlInfo_.bVersion = true;
|
|
SetKeyValue(attrObj, "version", "1.0");
|
|
bFlag = true;
|
|
}
|
|
if (strXml.find("encoding=") != std::string::npos) {
|
|
xmlInfo_.bEncoding = false;
|
|
SetKeyValue(attrObj, "encoding", "utf-8");
|
|
bFlag = true;
|
|
}
|
|
if (bFlag) {
|
|
napi_set_named_property(env_, declObj, options_.attributes.c_str(), attrObj);
|
|
napi_set_named_property(env_, object, options_.declaration.c_str(), declObj);
|
|
} else {
|
|
napi_set_named_property(env_, object, options_.declaration.c_str(), declObj);
|
|
}
|
|
if (strXml.find(">", iXml) == strXml.size() - 1) {
|
|
strXml = "";
|
|
} else {
|
|
strXml = strXml.substr(0, strXml.rfind("<", iXml)) + strXml.substr(strXml.find(">", iXml) + 1);
|
|
}
|
|
}
|
|
size_t iCount = 0;
|
|
size_t iLen = strXml.size();
|
|
for (; iCount < iLen; ++iCount) {
|
|
if (strXml[iCount] != ' ' && strXml[iCount] != '\v' &&
|
|
strXml[iCount] != '\t' && strXml[iCount] != '\n') {
|
|
break;
|
|
}
|
|
}
|
|
if (iCount < iLen) {
|
|
DealComplex(strXml, object);
|
|
}
|
|
}
|
|
|
|
void ConvertXml::DealComplex(std::string &strXml, const napi_value &object) const
|
|
{
|
|
if (strXml.find("<!DOCTYPE") != std::string::npos) {
|
|
strXml = strXml + "<node></node>";
|
|
} else {
|
|
strXml = "<node>" + strXml + "</node>";
|
|
}
|
|
xmlDocPtr doc = nullptr;
|
|
xmlNodePtr curNode = nullptr;
|
|
size_t len = strXml.size();
|
|
doc = xmlParseMemory(strXml.c_str(), static_cast<int>(len));
|
|
if (!doc) {
|
|
xmlFreeDoc(doc);
|
|
}
|
|
if (doc) {
|
|
curNode = xmlDocGetRootElement(doc);
|
|
curNode = curNode->children;
|
|
napi_value elements = nullptr;
|
|
napi_create_array(env_, &elements);
|
|
bool bHasEle = false;
|
|
int index = 0;
|
|
bool bCData = false;
|
|
if (strXml.find("<![CDATA") != strXml.rfind("<![CDATA")) {
|
|
bCData = true;
|
|
}
|
|
while (curNode != nullptr) {
|
|
napi_value elementsObject = nullptr;
|
|
napi_create_object(env_, &elementsObject);
|
|
SetNodeInfo(curNode, elementsObject);
|
|
SetXmlElementType(curNode, elementsObject, bHasEle);
|
|
SetEndInfo(curNode, elementsObject, bHasEle);
|
|
napi_set_element(env_, elements, index++, elementsObject);
|
|
DealCDataInfo(bCData, curNode);
|
|
}
|
|
if (bHasEle) {
|
|
napi_set_named_property(env_, object, options_.elements.c_str(), elements);
|
|
}
|
|
xmlFreeDoc(doc);
|
|
}
|
|
}
|
|
|
|
void ConvertXml::Replace(std::string &str, const std::string src, const std::string dst) const
|
|
{
|
|
size_t index = 0;
|
|
while ((index = str.find(src)) != std::string::npos) {
|
|
str.replace(index, src.size(), dst);
|
|
}
|
|
}
|
|
|
|
void ConvertXml::DealCDataInfo(bool bCData, xmlNodePtr &curNode) const
|
|
{
|
|
if (bCData && curNode->type == xmlElementType::XML_CDATA_SECTION_NODE &&
|
|
curNode->next && curNode->next->type == xmlElementType::XML_TEXT_NODE &&
|
|
curNode->next->next && curNode->next->next->type == xmlElementType::XML_CDATA_SECTION_NODE) {
|
|
char *curContent = reinterpret_cast<char*>(xmlNodeGetContent(curNode->next));
|
|
if (curContent != nullptr) {
|
|
std::string strTemp = reinterpret_cast<char*>(curContent);
|
|
Replace(strTemp, " ", "");
|
|
Replace(strTemp, "\v", "");
|
|
Replace(strTemp, "\t", "");
|
|
Replace(strTemp, "\n", "");
|
|
if (strTemp == "") {
|
|
curNode = curNode->next->next;
|
|
}
|
|
xmlFree(reinterpret_cast<void*>(curContent));
|
|
}
|
|
} else {
|
|
curNode = curNode->next;
|
|
}
|
|
}
|
|
} // namespace
|