XMLNode.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstUtil/GenericValue.hpp"
#include "AstUtil/ValueView.hpp"
#include <memory>
#include <string>
#include <vector>
#include <map>
#include <cstdio>
 
AST_NAMESPACE_BEGIN
 
enum class EXMLNodeType
{
    eElement,       
    eText,          
    eComment,       
    eCDATA,         
    eDocType,       
};
 
class XMLNode;
using HXMLNode = std::unique_ptr<XMLNode>;
 
class AST_UTIL_API XMLNode
{
public:
    XMLNode() = default;
 
    XMLNode(EXMLNodeType kind, StringView nameOrText);
 
    explicit XMLNode(StringView nameOrText);
 
    ~XMLNode();
 
    errc_t load(StringView filepath);
 
    errc_t save(StringView filepath);
 
    
    EXMLNodeType getKind() const { return kind_; }
 
    const std::string& getName() const { return nameOrText_; }
 
    void setName(StringView name);
 
    const std::string& getText() const { return nameOrText_; }
 
    void setText(StringView text);
 
    void addChild(HXMLNode&& child);
 
    void addText(StringView text);
 
    void addComment(StringView text);
 
    // XMLNode* getChild(StringView name, size_t startIndex = 0) const;
 
    const std::vector<HXMLNode>& getChildren() const { return children_; }
 
 
    void addAttribute(const std::string& name, const GenericValue& value);
 
 
    const std::map<std::string, GenericValue>& getAttributes() const { return attributes_; }
 
 
    ValueView getAttribute(const std::string& name);
 
 
    void clearChildren();
 
    void clearAttributes();
 
    void clear();
private:
    A_DISABLE_COPY(XMLNode);
    
    bool generateXML(FILE* file, int indent) const;
 
    std::string escapeXML(const std::string& str) const;
 
private:
    EXMLNodeType kind_{EXMLNodeType::eElement};      
    std::string nameOrText_{};                       
    std::vector<HXMLNode> children_;                 
    std::map<std::string, GenericValue> attributes_; 
};
 
AST_NAMESPACE_END