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体验新版 GitCode,发现更多精彩内容 >>
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005b4019
编写于
3月 21, 2009
作者:
J
Jeremy Kemper
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差异文件
Convert bigdecimal extension modules to class reopens
上级
83fd1ae1
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2
隐藏空白更改
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并排
Showing
2 changed file
with
21 addition
and
33 deletion
+21
-33
activesupport/lib/active_support/core_ext/big_decimal.rb
activesupport/lib/active_support/core_ext/big_decimal.rb
+1
-3
activesupport/lib/active_support/core_ext/big_decimal/conversions.rb
...rt/lib/active_support/core_ext/big_decimal/conversions.rb
+20
-30
未找到文件。
activesupport/lib/active_support/core_ext/big_decimal.rb
浏览文件 @
005b4019
require
'active_support/core_ext/util'
require
'bigdecimal'
ActiveSupport
.
core_ext
BigDecimal
,
%w(conversions)
require
'active_support/core_ext/big_decimal/conversions'
activesupport/lib/active_support/core_ext/big_decimal/conversions.rb
浏览文件 @
005b4019
require
'bigdecimal'
require
'yaml'
module
ActiveSupport
#:nodoc:
module
CoreExtensions
#:nodoc:
module
BigDecimal
#:nodoc:
module
Conversions
DEFAULT_STRING_FORMAT
=
'F'
.
freeze
YAML_TAG
=
'tag:yaml.org,2002:float'
.
freeze
YAML_MAPPING
=
{
'Infinity'
=>
'.Inf'
,
'-Infinity'
=>
'-.Inf'
,
'NaN'
=>
'.NaN'
}
class
BigDecimal
YAML_TAG
=
'tag:yaml.org,2002:float'
YAML_MAPPING
=
{
'Infinity'
=>
'.Inf'
,
'-Infinity'
=>
'-.Inf'
,
'NaN'
=>
'.NaN'
}
def
self
.
included
(
base
)
#:nodoc:
base
.
class_eval
do
alias_method
:_original_to_s
,
:to_s
alias_method
:to_s
,
:to_formatted_s
yaml_as
YAML_TAG
yaml_as
YAML_TAG
end
end
def
to_formatted_s
(
format
=
DEFAULT_STRING_FORMAT
)
_original_to_s
(
format
)
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
=
{})
YAML
.
quick_emit
(
nil
,
opts
)
do
|
out
|
string
=
to_s
out
.
scalar
(
YAML_TAG
,
YAML_MAPPING
[
string
]
||
string
,
:plain
)
end
end
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
=
{})
YAML
.
quick_emit
(
nil
,
opts
)
do
|
out
|
string
=
to_s
out
.
scalar
(
YAML_TAG
,
YAML_MAPPING
[
string
]
||
string
,
:plain
)
end
end
DEFAULT_STRING_FORMAT
=
'F'
def
to_formatted_s
(
format
=
DEFAULT_STRING_FORMAT
)
_original_to_s
(
format
)
end
alias_method
:_original_to_s
,
:to_s
alias_method
:to_s
,
:to_formatted_s
end
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