Class: Diakonos::Session

Inherits:
Object show all
Defined in:
lib/diakonos/sessions.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filepath, data = nil) ⇒ Session

Returns a new instance of Session.



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# File 'lib/diakonos/sessions.rb', line 6

def initialize(filepath, data = nil)
  if data.nil?
    @filename = File.expand_path(filepath)
    @settings = Hash.new

    basename = File.basename(filepath)
    if ! Session.pid_session?(filepath)
      @name = basename
    end

    @buffers = []
    @buffer_current = 1
    self.dir = Dir.getwd
  else
    @filename = data['filename']
    @settings = data['settings']
    @name = data['name']
    @buffers = data['buffers']
    @buffer_current = data['buffer_current'] || 1
    self.dir = data['dir']
  end
end

Instance Attribute Details

#buffer_current ⇒ Object

Returns the value of attribute buffer_current.



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# File 'lib/diakonos/sessions.rb', line 4

def buffer_current
  @buffer_current
end

#buffers ⇒ Object (readonly)

Returns the value of attribute buffers.



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# File 'lib/diakonos/sessions.rb', line 3

def buffers
  @buffers
end

#dir ⇒ Object

Returns the value of attribute dir.



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# File 'lib/diakonos/sessions.rb', line 3

def dir
  @dir
end

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/diakonos/sessions.rb', line 3

def filename
  @filename
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/diakonos/sessions.rb', line 3

def name
  @name
end

#readline_histories ⇒ Object (readonly)

Returns the value of attribute readline_histories.



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# File 'lib/diakonos/sessions.rb', line 3

def readline_histories
  @readline_histories
end

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



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# File 'lib/diakonos/sessions.rb', line 3

def settings
  @settings
end

Class Method Details

.file_hash_for(filepath) ⇒ Object 



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# File 'lib/diakonos/sessions.rb', line 117

def self.file_hash_for(filepath)
  filepath, line_number = ::Diakonos.parse_filename_and_line_number(filepath)
  {
    'filepath'  => filepath,
    'read_only' => false,
    'cursor'    => {
      'row' => line_number || 0,
      'col' => 0,
    },
    'display'   => {
      'top_line'    => 0,
      'left_column' => 0
    },
  }
end

.from_yaml_file(yaml_filename) ⇒ Session

Returns The Session created from the YAML data in the specified file or nil on failure to load.

Returns:

  • (Session) —

    The Session created from the YAML data in the specified file or nil on failure to load



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# File 'lib/diakonos/sessions.rb', line 79

def self.from_yaml_file(yaml_filename)
  return nil  if ! File.exist?(yaml_filename)
  session = nil

  File.open(yaml_filename) do |f|
    loaded = YAML::load(f) or break

    if(
      loaded[ 'filename' ] &&
      loaded[ 'settings' ] &&
      loaded[ 'settings' ].respond_to?( :values ) &&
      loaded.has_key?( 'name' ) &&
      (
        loaded[ 'files' ] &&
        loaded[ 'files' ].respond_to?( :each ) ||
        loaded[ 'buffers' ] &&
        loaded[ 'buffers' ].respond_to?( :each )
      )
    )
      # Convert old sessions
      if loaded[ 'files' ]
        loaded[ 'buffers' ] = loaded[ 'files' ].map { |f|
          Session.file_hash_for f
        }
        loaded.delete 'files'
      end

      session = Session.new(loaded['filename'], loaded)
    end
  end

  session
end

.pid_session?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/diakonos/sessions.rb', line 113

def self.pid_session?(path)
  %r{/\d+$} === path
end

Instance Method Details

#set_buffers(buffers) ⇒ Object 



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# File 'lib/diakonos/sessions.rb', line 41

def set_buffers(buffers)
  @buffers = buffers.reject { |buffer|
    buffer.name.nil?
  }.collect { |buffer|
    {
      'filepath' => buffer.name,
      'read_only' => buffer.read_only,
      'cursor'   => {
        'row' => buffer.last_row,
        'col' => buffer.last_col,
      },
      'display'  => {
        'top_line'    => buffer.top_line,
        'left_column' => buffer.left_column
      },
      'last_search_regexps' => buffer.last_search_regexps.map { |r| r.to_s },
    }
  }.compact
end

#set_readline_histories(rlh_general, rlh_files, rlh_search, rlh_shell, rlh_help, rlh_sessions) ⇒ Object 



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# File 'lib/diakonos/sessions.rb', line 61

def set_readline_histories(rlh_general, rlh_files, rlh_search, rlh_shell, rlh_help, rlh_sessions)
  @readline_histories = {
    'general'  => rlh_general,
    'files'    => rlh_files,
    'search'   => rlh_search,
    'shell'    => rlh_shell,
    'help'     => rlh_help,
    'sessions' => rlh_sessions,
  }
end

#to_yaml ⇒ Object 



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# File 'lib/diakonos/sessions.rb', line 29

def to_yaml
  {
    'filename' => @filename,
    'settings' => @settings,
    'name' => @name,
    'buffer_current' => @buffer_current,
    'dir' => @dir,
    'buffers' => @buffers,
    'readline_histories' => @readline_histories
  }.to_yaml
end