Class: Groonga::GeoPoint

Instance Attribute Summary collapse

• #latitude ⇒ Object

  Returns the value of attribute latitude.

• #longitude ⇒ Object

  Returns the value of attribute longitude.

Class Method Summary collapse

• .parse(string) ⇒ Object

Instance Method Summary collapse

• #==(other) ⇒ Object
• #degree? ⇒ Boolean
• #initialize(*arguments) ⇒ GeoPoint constructor

  TODO: write document.

• #inspect ⇒ Object
• #msec? ⇒ Boolean
• #to_degree ⇒ Object
• #to_msec ⇒ Object
• #to_s ⇒ Object

91
92
93
94
95
96
97
98
99
100
101
102
103
104
105

# File 'lib/groonga/geo-point.rb', line 91

def initialize(*arguments)
  if arguments.size == 1
    if arguments.first.is_a?(String)
      geo_point = self.class.parse(arguments.first)
    else
      geo_point = arguments.first
      geo_point = coerce(geo_point)
    end
    @latitude = geo_point.latitude
    @longitude = geo_point.longitude
  else
    # TODO: check # of arguments
    @latitude, @longitude, = arguments
  end
end

87
88
89

# File 'lib/groonga/geo-point.rb', line 87

def latitude
  @latitude
end

87
88
89

# File 'lib/groonga/geo-point.rb', line 87

def longitude
  @longitude
end

79
80
81
82
83
84

# File 'lib/groonga/geo-point.rb', line 79

def parse(string)
  # TODO: validation
  latitude, longitude = string.split(/[x,]/, 2)
  new(GeoPointValueConverter.parse(latitude),
      GeoPointValueConverter.parse(longitude))
end

137
138
139
140
141
142
143
144
145
146
147
148
149

# File 'lib/groonga/geo-point.rb', line 137

def ==(other)
  case other
  when String
    to_s == other
  when GeoPoint
    normalized_self = to_msec
    normalized_other = coerce(other).to_msec
    [normalized_self.latitude, normalized_self.longitude] ==
      [normalized_other.latitude, normalized_other.longitude]
  else
    false
  end
end

107
108
109
110

# File 'lib/groonga/geo-point.rb', line 107

def degree?
  GeoPointValueConverter.degree?(latitude) and
    GeoPointValueConverter.degree?(longitude)
end

133
134
135

# File 'lib/groonga/geo-point.rb', line 133

def inspect
  "#<#{self.class} #{to_s}>"
end

112
113
114
115

# File 'lib/groonga/geo-point.rb', line 112

def msec?
  GeoPointValueConverter.msec?(latitude) and
    GeoPointValueConverter.msec?(longitude)
end

117
118
119
120
121

# File 'lib/groonga/geo-point.rb', line 117

def to_degree
  return self if degree?
  self.class.new(GeoPointValueConverter.to_degree(latitude),
                 GeoPointValueConverter.to_degree(longitude))
end

123
124
125
126
127

# File 'lib/groonga/geo-point.rb', line 123

def to_msec
  return self if msec?
  self.class.new(GeoPointValueConverter.to_msec(latitude),
                 GeoPointValueConverter.to_msec(longitude))
end

129
130
131

# File 'lib/groonga/geo-point.rb', line 129

def to_s
  "#{latitude}x#{longitude}"
end