Initial community commit

Src/pfc/cfg_var.h

@@ -0,0 +1,124 @@
+#ifndef _PFC_CFG_VAR_H_
+#define _PFC_CFG_VAR_H_
+
+#ifndef NOVTABLE
+#define NOVTABLE _declspec(novtable)
+#endif
+
+#include "string.h"
+#include "string_unicode.h"
+
+//unicode in reg functions is NOT working
+
+class NOVTABLE cfg_var
+{
+private:
+	string var_name;
+	static cfg_var * list;
+	cfg_var * next;
+	static HKEY reg_open(const char * regname);
+protected:
+	cfg_var(const char * name) : var_name(name) {next=list;list=this;};
+
+	const char * var_get_name() {return var_name;}
+
+	//override me
+	virtual void read(HKEY hk)=0;
+	virtual void write(HKEY hk)=0;
+	virtual void reset()=0;
+
+	//helper
+	int reg_get_struct_size(HKEY hk);
+	bool reg_read_struct(HKEY hk,void * ptr,UINT size);
+	void reg_write_struct(HKEY hk,const void * ptr,UINT size);
+	void reg_write_int(HKEY hk,int val);
+	int reg_read_int(HKEY hk,int def);
+
+public:
+	static void config_read(const char *inifile, const char *section);
+	static void config_write(const char *inifile, const char *section);
+	static void config_reset();
+};
+
+class cfg_int : private cfg_var
+{
+private:
+	int val,def;
+	virtual void read(HKEY hk);
+	virtual void write(HKEY hk);
+	virtual void reset() {val=def;}
+public:
+	cfg_int(const wchar_t* name, int v) : cfg_var(string_utf8(name)) { val = def = v; }
+	cfg_int(const char * name,int v) : cfg_var(name) {val=def=v;}
+	operator int() const {return val;}
+	int operator=(int v) {return val=v;}
+	inline int get_def() {return def;}
+
+};
+
+class cfg_string : private cfg_var
+{
+private:
+	string val,def;
+	virtual void read(HKEY hk);
+	virtual void write(HKEY hk);
+	virtual void reset() {val=def;}
+public:
+	cfg_string(const char * name,const char * v) : cfg_var(name), val(v), def(v) {}
+	operator const char * () const {return val;}
+	const char * operator=(const char* v) {val=v;return val;}
+	string & get_string() {return val;}
+	void s_SetDlgItemText(HWND wnd,int id) {val.s_SetDlgItemText(wnd,id);}
+	void s_GetDlgItemText(HWND wnd,int id) {val.s_GetDlgItemText(wnd,id);}
+};
+
+#ifdef PFC_UNICODE
+
+class cfg_string_w : private cfg_var
+{
+private:
+	string_w val,def;
+	virtual void read(HKEY hk);
+	virtual void write(HKEY hk);
+	virtual void reset() {val=def;}
+public:
+	cfg_string_w(const char * name,const WCHAR * v) : cfg_var(name), val(v), def(v) {}
+	cfg_string_w(const char * name,const char * v) : cfg_var(name), val(string_w(v)), def(string_w(v)) {}
+	operator const WCHAR * () const {return val;}
+	void operator=(const WCHAR* v) {val=v;}
+	string_w & get_string() {return val;}
+	void s_SetDlgItemText(HWND wnd,int id) {val.s_SetDlgItemText(wnd,id);}
+	void s_GetDlgItemText(HWND wnd,int id) {val.s_GetDlgItemText(wnd,id);}
+};
+
+#endif
+
+template<class T>
+class cfg_struct_t : private cfg_var
+{
+private:
+	T val,def;
+
+	virtual void read(HKEY hk)
+	{
+		reg_read_struct(hk,&val,sizeof(T));
+	}
+
+	virtual void write(HKEY hk)
+	{
+		T temp = def;
+		reg_read_struct(hk,&temp,sizeof(T));
+		if (memcmp(&temp,&val,sizeof(T)))
+			reg_write_struct(hk,&val,sizeof(T));
+	}
+
+	virtual void reset() {val=def;}
+public:
+	cfg_struct_t(const char * name,const T& v) : cfg_var(name) {val=def=v;}
+	cfg_struct_t(const char * name,int filler) : cfg_var(name) {memset(&val,filler,sizeof(T));memset(&def,filler,sizeof(T));}
+	T& get_val() {return val;}
+	operator T&() {return val;}
+	T* operator=(const T& v) {val=v; return (T*)&val;}
+};
+
+#endif