Class: Rozi::TrackFile

Inherits:
FileWrapperBase show all
Includes:
Shared
Defined in:
lib/rozi/tracks.rb

Overview

A thin wrapper around a file object made for reading and writing tracks

Instance Attribute Summary

Attributes inherited from FileWrapperBase

#file

Instance Method Summary collapse

Methods included from Shared

#datum_valid?, #escape_text, #interpret_color, #unescape_text

Methods inherited from FileWrapperBase

#close, #closed?, #initialize, open, #rewind

Constructor Details

This class inherits a constructor from Rozi::FileWrapperBase

Instance Method Details

#write(enumerable) ⇒ Object

Writes an enumerable of track points to the file

Parameters:

  • enumerable (Enumerable) 


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# File 'lib/rozi/tracks.rb', line 128

def write(enumerable)
  enumerable.each { |track_point|
    self.write_track_point(track_point)
  }

  nil
end

#write_track_point(track_point) ⇒ nil

Writes a track point to the file

Parameters:

Returns:

  • (nil) 


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# File 'lib/rozi/tracks.rb', line 114

def write_track_point(track_point)
  ensure_track_properties

  @file.write serialize_track_point(track_point)
  @file.write "\n"

  nil
end

#write_track_properties(properties) ⇒ nil

Writes track properties to the file

The file must be empty when this method is called!

Parameters:

Returns:

  • (nil)

Raises:

  • (RuntimeError) —

    if the file isn’t empty



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# File 'lib/rozi/tracks.rb', line 98

def write_track_properties(properties)
  if @file.size > 0
    raise "Can't write file properties, file is not empty"
  end

  @file.write serialize_track_properties(properties)

  nil
end