Created
January 6, 2022 09:10
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traversing a xml file using tinyxml2
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| #include <iostream> | |
| #include "tinyxml2.h" | |
| using namespace std; | |
| using namespace tinyxml2; | |
| void traversingXML(XMLNode* node) { | |
| if(node == nullptr) | |
| return; | |
| if(node->ToDeclaration()) { | |
| auto declaration = dynamic_cast<XMLDeclaration*>(node); | |
| cout << "XML 声明，value=" << declaration->Value() << endl; | |
| } | |
| if(node->ToElement()) { | |
| auto element = dynamic_cast<XMLElement*>(node); | |
| cout << "XML 元素，name=" << element->Name() << ", value=" << element->Value() << endl; | |
| const XMLAttribute* attribute = element->FirstAttribute(); | |
| while (attribute != nullptr) { | |
| cout << "\t属性 " << attribute->Name() << "=" << attribute->Value() << endl; | |
| attribute = attribute->Next(); | |
| } | |
| } | |
| if(node->ToText()) { | |
| auto text = dynamic_cast<XMLText*>(node); | |
| cout << "XML 文本：" << text->Value() << endl; | |
| } | |
| if(node->ToComment()) { | |
| auto comment = dynamic_cast<XMLComment*>(node); | |
| cout << "XML 注释：" << comment->Value() << endl; | |
| } | |
| if(node->ToUnknown()) { | |
| auto unknown = dynamic_cast<XMLUnknown*>(node); | |
| cout << "XML 未知：" << unknown->Value() << endl; | |
| } | |
| if(node->ToDocument()) { | |
| auto document = dynamic_cast<XMLDocument*>(node); | |
| cout << "XML 文档：" << document->ErrorName() << endl; | |
| } | |
| if(node->NoChildren()) { | |
| return; | |
| } | |
| XMLNode* child = node->FirstChild(); | |
| while(child != nullptr) { | |
| traversingXML(child); | |
| child = child->NextSibling(); | |
| } | |
| } | |
| int main(int argc, const char * argv[]) { | |
| XMLDocument xmlDocument; | |
| XMLError error = xmlDocument.LoadFile("test.xml"); | |
| if(error != XML_SUCCESS) { | |
| std::cout << "读取 xml 失败：" << xmlDocument.ErrorStr() << endl; | |
| return EXIT_FAILURE; | |
| } | |
| traversingXML(&xmlDocument); | |
| return EXIT_SUCCESS; | |
| } |
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