Class: Fit4Ruby::GlobalFitMessage::Field
- Inherits:
-
Object
- Object
- Fit4Ruby::GlobalFitMessage::Field
show all
- Includes:
- Converters
- Defined in:
- lib/fit4ruby/GlobalFitMessage.rb
Overview
The Field objects describe the name, type and optional attributes of a FitMessage definition field. It also provides methods to convert field values into various formats.
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods included from Converters
#conversion_factor, #fit_time_to_time, #secsToDHMS, #secsToHM, #secsToHMS, #speedToPace, #time_to_fit_time
Constructor Details
#initialize(type, name, opts = {}) ⇒ Field
Returns a new instance of Field.
36
37
38
39
40
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 36
def initialize(type, name, opts = {})
@type = type
@name = name
@opts = opts
end
|
Instance Attribute Details
#name ⇒ Object
Returns the value of attribute name.
34
35
36
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 34
def name
@name
end
|
#opts ⇒ Object
Returns the value of attribute opts.
34
35
36
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 34
def opts
@opts
end
|
#type ⇒ Object
Returns the value of attribute type.
34
35
36
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 34
def type
@type
end
|
Instance Method Details
#fit_to_native(value) ⇒ Object
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 109
def fit_to_native(value)
return nil if value == FitDefinitionFieldBase.undefined_value(@type)
if @opts.include?(:dict) && (dict = GlobalFitDictionaries[@opts[:dict]])
return dict.name(value) || "Undocumented value #{value}"
end
value /= @opts[:scale].to_f if @opts[:scale]
value -= @opts[:offset] if @opts[:offset]
case @opts[:type]
when 'coordinate'
value *= 180.0 / 2147483648
when 'date_time'
value = fit_time_to_time(value)
end
value
end
|
#is_array? ⇒ Boolean
50
51
52
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 50
def is_array?
@opts[:array] == true
end
|
#is_string? ⇒ Boolean
46
47
48
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 46
def is_string?
@type == 'string'
end
|
#is_undefined?(value) ⇒ Boolean
#native_to_fit(value) ⇒ Object
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 129
def native_to_fit(value)
return FitDefinitionFieldBase.undefined_value(@type) if value.nil?
if @opts.include?(:dict) && (dict = GlobalFitDictionaries[@opts[:dict]])
unless (dv = dict.value_by_name(value))
Log.error "Unknown value '#{value}' assigned to field #{@name}"
return FitDefinitionFieldBase.undefined_value(@type)
else
return dv
end
end
value += @opts[:offset] if @opts[:offset]
value = (value * @opts[:scale].to_f).to_i if @opts[:scale]
case @opts[:type]
when 'coordinate'
value = (value * 2147483648.0 / 180.0).to_i
when 'date_time'
value = time_to_fit_time(value)
end
if @type != 'float32' && value.is_a?(Float) && @opts[:scale].nil?
Log.error "Field #{@name} must not be a Float value"
end
value
end
|
#to_human(value) ⇒ Object
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 81
def to_human(value)
return nil if value.nil?
if @opts.include?(:dict) &&
(dict = GlobalFitDictionaries[@opts[:dict]])
return [ dict.name(value) || "Undocumented value #{value}", nil ]
end
value /= @opts[:scale].to_f if @opts[:scale]
value -= @opts[:offset] if @opts[:offset]
case @opts[:type]
when 'coordinate'
value *= 180.0 / 2147483648
when 'date_time'
value = fit_time_to_time(value).strftime("%Y-%m-%d %H:%M:%S")
when 'duration'
value = secsToDHMS(value)
when 'activity_intensity'
return [ value & 0x1F, (value >> 5) & 0x7 ]
end
[ value, @opts[:unit] ]
end
|
#to_machine(value) ⇒ Object
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 54
def to_machine(value)
return nil if value.nil? ||
value == FitDefinitionFieldBase.undefined_value(@type)
if @opts.include?(:dict) &&
(dict = GlobalFitDictionaries[@opts[:dict]])
return dict.name(value) || "Undocumented value #{value}"
end
case @opts[:type]
when 'coordinate'
value *= 180.0 / 2147483648
when 'date_time'
value = fit_time_to_time(value)
when 'float'
if value >= 4294967295.0
return nil
end
end
if value.is_a?(Float) && value >= 4294967295.0
return nil
end
value /= @opts[:scale].to_f if @opts[:scale]
value -= @opts[:offset] if @opts[:offset]
value
end
|
#to_s(value = nil) ⇒ Object
157
158
159
160
161
162
163
|
# File 'lib/fit4ruby/GlobalFitMessage.rb', line 157
def to_s(value = nil)
return "[no value]" if value.nil?
human_readable = to_human(value)
"#{human_readable[0]}" +
"#{ human_readable[1] ? " #{human_readable[1]}" : ''}"
end
|