Files.hpp

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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
#pragma once
#endif
#ifndef COMMON_FILES_H_
#define COMMON_FILES_H_

#include "Stream.hpp"


namespace common
{

struct DATETIME;


enum FILE_ITEM_TYPE
{
  IT_NONE, 
  IT_DIR,  
  IT_FILE, 
};

enum FILE_MODE
{
  FM_WRITE,
  FM_WRITE_PLUS,
  FM_READ,
  FM_READ_PLUS,
  FM_APPEND,
  FM_APPEND_PLUS,
};

class File_pimpl;

class FileStream : public SeekableStream
{
private:
  scoped_ptr<File_pimpl> pimpl;

public:
  FileStream(const tstring &FileName, FILE_MODE FileMode, bool Lock = true);
  virtual ~FileStream();

  virtual void Write(const void *Data, size_t Size);
  virtual size_t Read(void *Data, size_t Size);
  virtual void Flush();
  virtual size_t GetSize();
  virtual int GetPos();
  virtual void SetPos(int pos);
  virtual void SetPosFromCurrent(int pos);
  virtual void SetPosFromEnd(int pos);
  virtual void SetSize(size_t Size);
  virtual void Truncate();
  virtual bool End();

#ifdef WIN32
  HANDLE GetNativeHandle();
#endif
};

class DirLister_pimpl;


class DirLister
{
private:
  scoped_ptr<DirLister_pimpl> pimpl;

public:
  DirLister(const tstring &Dir);
  ~DirLister();


  bool ReadNext(tstring *OutName, FILE_ITEM_TYPE *OutType);
};


void SaveStringToFile(const tstring &FileName, const string &Data);
void SaveDataToFile(const tstring &FileName, const void *Data, size_t NumBytes);
void LoadStringFromFile(const tstring &FileName, string *Data);
#ifdef WIN32
void SaveStringToFile(const tstring &FileName, const wstring &Data);
void LoadStringFromFile(const tstring &FileName, wstring *Data);
#endif


bool GetFileItemInfo(const tstring &Path, FILE_ITEM_TYPE *OutType, uint *OutSize, DATETIME *OutModificationTime, DATETIME *OutCreationTime = NULL, DATETIME *OutAccessTime = NULL);
void MustGetFileItemInfo(const tstring &Path, FILE_ITEM_TYPE *OutType, uint *OutSize, DATETIME *OutModificationTime, DATETIME *OutCreationTime = NULL, DATETIME *OutAccessTime = NULL);

FILE_ITEM_TYPE GetFileItemType(const tstring &Path);

bool UpdateFileTimeToNow(const tstring &FileName);
void MustUpdateFileTimeToNow(const tstring &FileName);
bool UpdateFileTime(const tstring &FileName, const DATETIME &ModificationTime, const DATETIME &AccessTime);
void MustUpdateFileTime(const tstring &FileName, const DATETIME &ModificationTime, const DATETIME &AccessTime);

bool CreateDirectory(const tstring &Path);
void MustCreateDirectory(const tstring &Path);

bool DeleteDirectory(const tstring &Path);
void MustDeleteDirectory(const tstring &Path);
bool CreateDirectoryChain(const tstring &Path);
void MustCreateDirectoryChain(const tstring &Path);

bool DeleteFile(const tstring &FileName);
void MustDeleteFile(const tstring &FileName);

bool MoveItem(const tstring &OldPath, const tstring &NewPath);
void MustMoveItem(const tstring &OldPath, const tstring &NewPath);

// Pliki tekstowe z użyciem Unicode
#ifdef WIN32

enum FILE_ENCODING
{
  FILE_ENCODING_UTF16_LE = 1, 
  FILE_ENCODING_UTF8     = 2, 
  FILE_ENCODING_ANSI     = 3, 



  FILE_ENCODING_FORCE_BOM  = 0x00010000,
  FILE_ENCODING_NO_BOM     = 0x00020000,
  FILE_ENCODING_AUTODETECT = 0x00040000,
};


void SaveUnicodeToFile(const tstring &FileName, const wstring &Data, unsigned Encoding);
void SaveUnicodeToFile(const tstring &FileName, const wchar_t *Data, unsigned NumChars, unsigned Encoding);

void SaveUnicodeToStream(Stream *Dest, const wstring &Data, unsigned Encoding);
void SaveUnicodeToStream(Stream *Dest, const wchar_t *Data, unsigned NumChars, unsigned Encoding);


void LoadUnicodeFromFile(const tstring &FileName, wstring *Out, unsigned Encoding, FILE_ENCODING *OutEncoding = NULL);

void LoadUnicodeFromFile(const tstring &FileName, string *Out, unsigned Encoding, FILE_ENCODING *OutEncoding = NULL);

void LoadUnicodeFromStream(SeekableStream *Src, wstring *Out, unsigned Encoding, FILE_ENCODING *OutEncoding = NULL);
void LoadUnicodeFromStream(SeekableStream *Src, string *Out, unsigned Encoding, FILE_ENCODING *OutEncoding = NULL);

#endif

// code_files

} // namespace common

#endif

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