PluginFileHandler.c

См. документацию.

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;
    }
}