ini_parser.hpp

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#ifndef NEFORCE_CORE_FILE_INI_INI_PARSER_HPP__
#define NEFORCE_CORE_FILE_INI_INI_PARSER_HPP__

 
#include "NeForce/core/file/ini/ini_value.hpp"
#include "NeForce/core/utility/optional.hpp"
NEFORCE_BEGIN_NAMESPACE__



class NEFORCE_API ini_parser {
private:
    string text_;       
    size_t len_;        
    size_t pos_ = 0;    
    size_t line_ = 1;   
    size_t column_ = 1; 
 
    unique_ptr<ini_document> root_;          
    ini_section* current_section_ = nullptr; 

    void skip_whitespace() noexcept;

    void skip_line() noexcept;

    NEFORCE_NODISCARD char current() const noexcept;

    NEFORCE_NODISCARD char peek(size_t offset = 1) const noexcept;

    NEFORCE_NODISCARD bool eof() const noexcept;

    void advance() noexcept;

    NEFORCE_NODISCARD bool is_comment_line(const string& line) const;

    bool is_section_line(const string& line, string& section_name) const;

    bool parse_key_value(const string& line, string& key, string& value) const;

    void parse_line(const string& line);
 
public:
    explicit ini_parser(string text) :
    text_(_NEFORCE move(text)),
    len_(text_.size()) {
        root_ = make_unique<ini_document>();
        current_section_ = root_->get_global_section();
    }

    unique_ptr<ini_document> parse();

    optional<unique_ptr<ini_document>> try_parse();
};
 // IniConfig
 // ConfigFormat
 
NEFORCE_END_NAMESPACE__
#endif // NEFORCE_CORE_FILE_INI_INI_PARSER_HPP__