tinyxml2 基本使用

data/edit_remove_node_result.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<personList>
+    <person id="1001" name="khl001" age="34" manager="true">
+        <intro>这是一段介绍. 这是一段介绍.</intro>
+    </person>
+    <person id="1003" name="khl003" age="48">
+        <intro>这是一段介绍. 这是一段介绍.</intro>
+    </person>
+</personList>

one.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<testsuites>
+  <testsuite name=".\bin\Release\khl_xml_test" errors="0" failures="0" tests="21" time="0.02751" timestamp="2023-02-01T19:48:40Z" doctest_version="2.4.9">
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_edit_node.cpp" name="tinyxml2_edit_node/add_node" time="0.010682" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_edit_node.cpp" name="tinyxml2_edit_node/remove_node" time="0.008068" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_find_node.cpp" name="tinyxml2_find_node/find_node" time="0.000273" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_load.cpp" name="tinyxml2_load/load_by_path" time="0.000182" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_load.cpp" name="tinyxml2_load/load_by_path_file_not_found" time="0.000147" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_load.cpp" name="tinyxml2_load/load_by_file" time="0.000196" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_load.cpp" name="tinyxml2_load/load_by_charbuffe" time="0" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_load.cpp" name="tinyxml2_load/load_by_charbuffe" time="0" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_output.cpp" name="tinyxml2_output/add_node" time="0.004744" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\test_tinyxml2_output.cpp" name="tinyxml2_output/remove_node" time="0.002015" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\testmain.cpp" name="test 001" time="0.000314" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\testmain.cpp" name="test 003" time="0.00062" status="run"/>
+    <testcase classname="F:\2023\blog_code\tinyxml2-study\test\tmp_test.cpp" name="test_tmp" time="0.000269" status="run"/>
+  </testsuite>
+</testsuites>

test/test_tinyxml2_edit_node.cpp

@@ -20,17 +20,86 @@ TEST_CASE("tinyxml2_edit_node")
     SUBCASE("add_node")
     {
         simpleXmlPath = getXmlPath("/data/simple.xml");
-        xmlEditResultPath = getXmlPath("/data/edit_result.xml");
+        xmlEditResultPath = getXmlPath("/data/edit_add_node_result.xml");
 
         xmlError = doc.LoadFile(simpleXmlPath.c_str());
         CHECK(tinyxml2::XMLError::XML_SUCCESS == xmlError);
 
         auto rootEl = doc.RootElement();
 
+        const char* id = "1004";
         auto newPersonNode = doc.NewElement("person");
-        newPersonNode->SetAttribute("id","1004");
+        newPersonNode->SetAttribute("id", id);
         rootEl->InsertEndChild(newPersonNode);
 
         doc.SaveFile(xmlEditResultPath.c_str());
+
+        xmlError = doc.LoadFile(xmlEditResultPath.c_str());
+        CHECK(tinyxml2::XMLError::XML_SUCCESS == xmlError);
+
+        rootEl = doc.RootElement();
+
+        auto personNode = rootEl->FirstChildElement("person");
+        while( nullptr != personNode )
+        {
+            if( 0 == strcmp(id,personNode->Attribute("id")))
+            {
+                break;
+            }
+
+            personNode = personNode->NextSiblingElement();
+        }
+
+        bool hasNewPersonNode = nullptr != personNode;
+        CHECK(hasNewPersonNode);
+    }
+
+    /**
+     * 删除节点
+     */
+    SUBCASE("remove_node")
+    {
+        simpleXmlPath = getXmlPath("/data/simple.xml");
+        xmlEditResultPath = getXmlPath("/data/edit_remove_node_result.xml");
+
+        xmlError = doc.LoadFile(simpleXmlPath.c_str());
+        CHECK(tinyxml2::XMLError::XML_SUCCESS == xmlError);
+
+        
+        const char* id = "1002";
+
+        auto rootEl = doc.RootElement();
+        auto personNode = rootEl->FirstChildElement("person");
+        while( nullptr != personNode )
+        {
+            if( 0 == strcmp(id,personNode->Attribute("id")))
+            {
+                break;
+            }
+
+            personNode = personNode->NextSiblingElement();
+        }
+
+        rootEl->DeleteChild(personNode);
+
+        doc.SaveFile(xmlEditResultPath.c_str());
+
+        xmlError = doc.LoadFile(xmlEditResultPath.c_str());
+        CHECK(tinyxml2::XMLError::XML_SUCCESS == xmlError);
+
+        rootEl = doc.RootElement();
+        personNode = rootEl->FirstChildElement("person");
+        while( nullptr != personNode )
+        {
+            if( 0 == strcmp(id,personNode->Attribute("id")))
+            {
+                break;
+            }
+
+            personNode = personNode->NextSiblingElement();
+        }
+
+        bool person1002NotExist = nullptr == personNode;
+        CHECK(person1002NotExist);
     }
 }
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test/test_tinyxml2_find_node.cpp

@@ -28,7 +28,7 @@ TEST_CASE("tinyxml2_find_node")
         auto personNode = rootEl->FirstChildElement("person");
         while( nullptr != personNode )
         {
-            if( strcmp(id,personNode->Attribute("id")))
+            if( 0 == strcmp(id,personNode->Attribute("id")))
             {
                 break;
             }
@@ -38,5 +38,7 @@ TEST_CASE("tinyxml2_find_node")
 
         bool find = nullptr != personNode;
         CHECK(find);
+        bool idCheck = 0 == strcmp(id,personNode->Attribute("id"));
+        CHECK(idCheck);
     }
 }
\ No newline at end of file

test/test_tinyxml2_output.cpp

+#include <cstdio>
+#include <cstring>
+
+#include "doctest/doctest.h"
+#include "tinyxml2.h"
+#include "spdlog/spdlog.h"
+#include "khl_xml_config/khl_xml_config.hpp"
+
+TEST_CASE("tinyxml2_output")
+{
+    std::string simpleXmlPath;
+    std::string xmlEditResultPath;
+
+    tinyxml2::XMLDocument doc;
+    tinyxml2::XMLError xmlError;
+
+    /**
+     * 添加节点
+     */
+    SUBCASE("add_node")
+    {
+        simpleXmlPath = getXmlPath("/data/simple.xml");
+        xmlEditResultPath = getXmlPath("/data/edit_add_node_result.xml");
+
+        xmlError = doc.LoadFile(simpleXmlPath.c_str());
+        CHECK(tinyxml2::XMLError::XML_SUCCESS == xmlError);
+
+        doc.Print();
+
+
+    }
+
+    /**
+     * 删除节点
+     */
+    SUBCASE("remove_node")
+    {
+        simpleXmlPath = getXmlPath("/data/simple.xml");
+        xmlEditResultPath = getXmlPath("/data/edit_remove_node_result.xml");
+
+        xmlError = doc.LoadFile(simpleXmlPath.c_str());
+        CHECK(tinyxml2::XMLError::XML_SUCCESS == xmlError);
+
+        tinyxml2::XMLPrinter printer;
+        doc.Print(&printer);
+
+        spdlog::info("xml content:\n {}",printer.CStr());
+        
+       
+    }
+}
\ No newline at end of file