Sha256: 746ba0c9160754f555b10e22aa9151c28943a7d8c8284619def272ab5fbfab1a
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Size: 1.22 KB
Versions: 8
Compression:
Stored size: 1.22 KB
Contents
require 'bigdecimal'
begin
require 'psych'
rescue LoadError
end
require 'yaml'
# Define our own class rather than modify the global class
class SitemapGenerator::BigDecimal
YAML_TAG = 'tag:yaml.org,2002:float'
YAML_MAPPING = { 'Infinity' => '.Inf', '-Infinity' => '-.Inf', 'NaN' => '.NaN' }
yaml_tag YAML_TAG
def initialize(num)
@value = BigDecimal(num)
end
def *(other)
other * @value
end
def /(other)
SitemapGenerator::BigDecimal === other ? @value / other.instance_variable_get(:@value) : @value / other
end
# This emits the number without any scientific notation.
# This is better than self.to_f.to_s since it doesn't lose precision.
#
# Note that reconstituting YAML floats to native floats may lose precision.
def to_yaml(opts = {})
return super unless defined?(YAML::ENGINE) && YAML::ENGINE.syck?
YAML.quick_emit(nil, opts) do |out|
string = to_s
out.scalar(YAML_TAG, YAML_MAPPING[string] || string, :plain)
end
end
def encode_with(coder)
string = to_s
coder.represent_scalar(nil, YAML_MAPPING[string] || string)
end
def to_d
self
end
DEFAULT_STRING_FORMAT = 'F'
def to_s(format = DEFAULT_STRING_FORMAT)
@value.to_s(format)
end
end
Version data entries
8 entries across 8 versions & 2 rubygems