-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
2681164
commit 608e4d4
Showing
5 changed files
with
217 additions
and
5 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // | ||
| // xml.h | ||
| // com.xm.xlib | ||
| // | ||
| // Created by xiaominghe2014@gmail.com on 2023/6/13. | ||
| // | ||
|
|
||
| #ifndef xml_h | ||
| #define xml_h | ||
| #include <string> | ||
| #include <vector> | ||
|
|
||
| namespace xlib { | ||
| struct XMLNode { | ||
| std::string name; | ||
| std::string value; | ||
| std::vector<std::pair<std::string, std::string>> attributes; | ||
| std::vector<XMLNode*> children; | ||
| }; | ||
| class XMLParser { | ||
| public: | ||
| XMLParser(); | ||
| ~XMLParser(); | ||
| XMLNode* parse(const std::string& xmlStr); | ||
| private: | ||
| void trim(std::string& str); | ||
| XMLNode* parseNode(const std::string& line); | ||
| void deleteNode(XMLNode* node); | ||
| XMLNode* rootNode; | ||
| }; | ||
|
|
||
| std::string nodeToString(xlib::XMLNode* node); | ||
| } | ||
|
|
||
| #endif /* xml_h */ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| // | ||
| // xml.cpp | ||
| // com.xm.xlib | ||
| // | ||
| // Created by xiaominghe2014@gmail.com on 2023/6/13. | ||
| // | ||
|
|
||
| #include "parser/xml.h" | ||
| #include <string> | ||
| #include <iostream> | ||
| #include <fstream> | ||
| #include <sstream> | ||
| #include <stack> | ||
|
|
||
| namespace xlib { | ||
|
|
||
| XMLParser::XMLParser():rootNode(nullptr) {} | ||
| XMLParser::~XMLParser() { | ||
| if (rootNode != nullptr) { | ||
| deleteNode(rootNode); | ||
| } | ||
| } | ||
|
|
||
| XMLNode* XMLParser::parse(const std::string& xmlStr) { | ||
| std::istringstream stream(xmlStr); | ||
| std::stack<XMLNode*> nodeStack; | ||
| if (rootNode != nullptr) { | ||
| deleteNode(rootNode); | ||
| } | ||
| rootNode = nullptr; | ||
| std::string line; | ||
| while (getline(stream, line)) { | ||
| trim(line); | ||
| if (line.empty()) { | ||
| continue; | ||
| } | ||
|
|
||
| if (line[0] == '<') { | ||
| if (line[1] == '/') { | ||
| nodeStack.pop(); | ||
| } else { | ||
| XMLNode* node = parseNode(line); | ||
| if (nodeStack.empty()) { | ||
| rootNode = node; | ||
| } else { | ||
| nodeStack.top()->children.push_back(node); | ||
| } | ||
| nodeStack.push(node); | ||
| } | ||
| } else { | ||
| if (!nodeStack.empty()) { | ||
| nodeStack.top()->value = line; | ||
| } | ||
| } | ||
| } | ||
| return rootNode; | ||
| } | ||
|
|
||
| void XMLParser::trim(std::string& str) { | ||
| size_t start = str.find_first_not_of(" \t\r\n"); | ||
| if (start != std::string::npos) { | ||
| str = str.substr(start); | ||
| } | ||
| size_t end = str.find_last_not_of(" \t\r\n"); | ||
| if (end != std::string::npos) { | ||
| str = str.substr(0, end + 1); | ||
| } | ||
| } | ||
|
|
||
| XMLNode* XMLParser::parseNode(const std::string& line) { | ||
| XMLNode* node = new XMLNode(); | ||
| size_t pos = line.find_first_of(" \t\r\n>"); | ||
| if (pos == std::string::npos) { | ||
| std::cerr << "Invalid node: " << line << std::endl; | ||
| delete node; | ||
| return nullptr; | ||
| } | ||
| node->name = line.substr(1, pos - 1); | ||
|
|
||
| // Get node value | ||
| size_t valueStart = line.find_first_of(">"); | ||
| if (valueStart != std::string::npos) { | ||
| size_t valueEnd = line.find_last_of("<"); | ||
| if (valueEnd != std::string::npos) { | ||
| node->value = line.substr(valueStart + 1, valueEnd - valueStart - 1); | ||
| } | ||
| } | ||
|
|
||
| size_t len = line.length(); | ||
| while (pos < len) { | ||
| size_t keyStart = line.find_first_not_of(" \t\r\n", pos); | ||
| if (keyStart == std::string::npos) { | ||
| break; | ||
| } | ||
| if (line[keyStart] == '/') { | ||
| break; | ||
| } | ||
| size_t keyEnd = line.find_first_of(" \t\r\n=", keyStart); | ||
| if (keyEnd == std::string::npos) { | ||
| break; | ||
| } | ||
| size_t valueStart = line.find_first_of("=", keyEnd); | ||
| if (valueStart == std::string::npos) { | ||
| break; | ||
| } | ||
| valueStart = line.find_first_not_of(" \t\r\n", valueStart + 1); | ||
| if (valueStart == std::string::npos) { | ||
| break; | ||
| } | ||
| char quote = line[valueStart]; | ||
| if (quote != '\'' && quote != '\"') { | ||
| break; | ||
| } | ||
| size_t valueEnd = line.find(quote, valueStart + 1); | ||
| if (valueEnd == std::string::npos) { | ||
| break; | ||
| } | ||
| node->attributes.push_back(make_pair(line.substr(keyStart, keyEnd - keyStart), line.substr(valueStart + 1, valueEnd - valueStart - 1))); | ||
| pos = valueEnd + 1; | ||
| } | ||
| return node; | ||
| } | ||
|
|
||
| std::string nodeToString(xlib::XMLNode* node) { | ||
| std::stringstream ss; | ||
| ss<<node->name<<"="<<node->value<<"\n"; | ||
| for (auto& attribute : node->attributes) { | ||
| ss << node->name << "." <<attribute.first << " = " << attribute.second << "\n"; | ||
| } | ||
| for (auto& child : node->children) { | ||
| ss << nodeToString(child); | ||
| } | ||
| return ss.str(); | ||
| } | ||
|
|
||
| void XMLParser::deleteNode(XMLNode* node) { | ||
| for (auto& child : node->children) { | ||
| deleteNode(child); | ||
| } | ||
| delete node; | ||
| } | ||
| } |