PluginFileHandler.c

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class PluginFileHandler extends PluginBase
{
  static bool FileDuplicate(string source_name, string dest_name)
  {
    return CopyFile(source_name, dest_name);
  }
 
  static bool FileDelete(string file)
  {
    return DeleteFile(file);
  }
 
  static void FileRename(string source_name, string dest_name)
  {
    FileDuplicate(source_name, dest_name);
    FileDelete(source_name);
  }
 
  bool m_ReadOnly;
  int m_LineLimit;
 
  ref TStringArray m_FileContent;
 
  void PluginFileHandler()
  {
    m_FileContent = new TStringArray;
    m_LineLimit = -1;
 
    LoadFile();
  }
 
  void ~PluginFileHandler()
  {
    ClearFileNoSave();
  }
 
  override void OnInit()
  {
    super.OnInit();
  }
 
  string GetFileName()
  {
    return string.Empty;
  }
 
  string GetSubFolderName()
  {
    return string.Empty;
  }
 
  void ClearFileNoSave()
  {
    m_FileContent.Clear();
  }
 
  bool LoadFile()
  {
    ClearFileNoSave();
 
    FileHandle file_index = OpenFile(GetFileName(), FileMode.READ);
 
    if (file_index == 0)
      return false;
 
    string line_content = "";
    int char_count = FGets(file_index, line_content);
    while (char_count != -1)
    {
      m_FileContent.Insert(line_content);
 
      char_count = FGets(file_index, line_content);
    }
 
    CloseFile(file_index);
 
    return true;
  }
 
  bool SaveFile()
  {
    if (m_ReadOnly)
      return false;
 
    if (GetSubFolderName() && !FileExist(GetSubFolderName()))
      MakeDirectory(GetSubFolderName());
 
    //Log("SaveFile -> Opening File: "+GetFileName());
 
    FileHandle file_index = OpenFile(GetFileName(), FileMode.WRITE);
 
    if (file_index == 0)
      return false;
 
    for (int i = 0; i < m_FileContent.Count(); ++i)
    {
      //Log("SaveFile -> Writing: "+m_FileContent.Get(i));
      FPrintln(file_index, m_FileContent.Get(i));
    }
 
    CloseFile(file_index);
 
    return true;
  }
 
  bool IsReadOnly()
  {
    return m_ReadOnly;
  }
 
  void AddText(string text)
  {
    AddNewLineNoSave(text);
    SaveFile();
  }
 
  void AddNewLineNoSave(string text)
  {
    if (m_LineLimit > -1)
    {
      if (m_LineLimit == 0)
        return;
 
      int lines_count = m_FileContent.Count();
 
      if (lines_count > 0 && lines_count >= m_LineLimit)
      {
        int remove_indexes = lines_count - m_LineLimit;
 
        for (int i = 0; i <= remove_indexes; ++i)
          m_FileContent.RemoveOrdered(0);
      }
    }
 
    m_FileContent.Insert(text);
  }
 
  TStringArray GetFileContent()
  {
    return m_FileContent;
  }
}