Class: GrassCookbook::Data

Inherits:
Object
  • Object
show all
Defined in:
lib/grassgis/cookbook.rb

Overview

Datasets used by recipes, consist of parmeters, maps and files (or directories). Recipes use them to define both required and generated data.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Data

Returns a new instance of Data.



104
105
106
107
108
 
# File 'lib/grassgis/cookbook.rb', line 104

def initialize(params = {})
  @parameters = params[:parameters] || []
  @files = params[:files] || []
  @maps = params[:maps] || []
end

Instance Attribute Details

#files ⇒ Object (readonly)

Returns the value of attribute files.



110
111
112
 
# File 'lib/grassgis/cookbook.rb', line 110

def files
  @files
end

#maps ⇒ Object (readonly)

Returns the value of attribute maps.



110
111
112
 
# File 'lib/grassgis/cookbook.rb', line 110

def maps
  @maps
end

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



110
111
112
 
# File 'lib/grassgis/cookbook.rb', line 110

def parameters
  @parameters
end

Class Method Details

.[](params) ⇒ Object 



132
133
134
135
136
137
 
# File 'lib/grassgis/cookbook.rb', line 132

def self.[](params)
  unless params.is_a?(Data)
    params = Data.new(params)
  end
  params
end

Instance Method Details

#+(other) ⇒ Object 



156
157
158
 
# File 'lib/grassgis/cookbook.rb', line 156

def +(other)
  dup.merge! other
end

#-(other) ⇒ Object 



147
148
149
150
151
152
153
154
 
# File 'lib/grassgis/cookbook.rb', line 147

def -(other)
  other = Data[other]
  Data[
    parameters: parameters - other.parameters,
    files: files - other.files,
    maps: maps - other.maps
  ]
end

#dup ⇒ Object 



128
129
130
 
# File 'lib/grassgis/cookbook.rb', line 128

def dup
  Data.new.merge! self
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


143
144
145
 
# File 'lib/grassgis/cookbook.rb', line 143

def empty?
  !present?
end

#merge!(data) ⇒ Object 



120
121
122
123
124
125
126
 
# File 'lib/grassgis/cookbook.rb', line 120

def merge!(data)
  data = Data[data]
  @parameters = (@parameters + data.parameters).uniq
  @maps = (@maps + data.maps).uniq
  @files = (@files + data.files).uniq
  self
end

#missing(required) ⇒ Object

data which is requiered but not provided here



161
162
163
 
# File 'lib/grassgis/cookbook.rb', line 161

def missing(required)
  Data[required] - self
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


139
140
141
 
# File 'lib/grassgis/cookbook.rb', line 139

def present?
  @parameters.size > 0 || @files.size > 0 || @maps.size > 0
end

#raster_maps ⇒ Object 



116
117
118
 
# File 'lib/grassgis/cookbook.rb', line 116

def raster_maps
  @maps.select { |m, t| t == :raster }
end

#to_s ⇒ Object 



165
166
167
168
169
170
171
 
# File 'lib/grassgis/cookbook.rb', line 165

def to_s
  txt = "Datos:\n"
  txt << "  Parametros: #{parameters.inspect}\n"
  txt << "  Archivos: #{files.inspect}\n"
  txt << "  Mapas: #{maps.inspect}\n"
  txt
end

#vector_maps ⇒ Object 



112
113
114
 
# File 'lib/grassgis/cookbook.rb', line 112

def vector_maps
  @maps.select { |m, t| t == :vector }.map(&:first)
end