inifile.h

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#pragma once
 
#include <Tempest/File>
#include <vector>
#include <string>
 
class IniFile final {
  public:
    IniFile() = default;
    IniFile(std::u16string_view file);
    IniFile(Tempest::RFile&     fin);
 
    void  flush();
 
    bool  has (std::string_view sec);
    bool  has (std::string_view sec, std::string_view name);
    int   getI(std::string_view sec, std::string_view name, int idef = 0);
    void  set (std::string_view sec, std::string_view name, int ival);
    float getF(std::string_view sec, std::string_view name, float fdef = 0);
    void  set (std::string_view sec, std::string_view name, float fval);
 
    auto  getS(std::string_view sec, std::string_view name) -> std::string_view;
    void  set (std::string_view sec, std::string_view name, std::string_view sval);
 
  private:
    struct Value final {
      std::string name;
      std::string val;
      };
 
    struct Section {
      std::string        name;
      std::vector<Value> val;
      };
 
    void  implRead(Tempest::RFile& fin);
    void  implLine(std::istream &fin);
    char  implSpace(std::istream &fin);
    auto  implName (std::istream &fin) -> std::string;
    auto  implValue (std::istream &fin) -> std::string;
 
    void  addSection(std::string&& name);
    void  addValue  (std::string&& name, std::string&& val);
    void  addValue  (Section& sec, std::string&& name, std::string&& val);
    auto  find      (std::string_view sec, std::string_view name) -> Value&;
    auto  find      (std::string_view sec, std::string_view name, bool autoCreate) -> Value*;
    int   getI      (const Value& v) const;
    float getF      (const Value& v) const;
 
    std::vector<Section> sec;
    std::u16string       fileName;
    bool                 changeFlag = false;
  };