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95a5cc61
编写于
6月 26, 2009
作者:
J
José Valim
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差异文件
Add invoke_iff and invoke_for to the public interface.
上级
54208cbe
变更
1
显示空白变更内容
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并排
Showing
1 changed file
with
111 addition
and
111 deletion
+111
-111
railties/lib/generators/base.rb
railties/lib/generators/base.rb
+111
-111
未找到文件。
railties/lib/generators/base.rb
浏览文件 @
95a5cc61
...
@@ -44,80 +44,6 @@ def self.namespace(name=nil)
...
@@ -44,80 +44,6 @@ def self.namespace(name=nil)
@namespace
||=
"
#{
base_name
}
:generators:
#{
generator_name
}
"
@namespace
||=
"
#{
base_name
}
:generators:
#{
generator_name
}
"
end
end
protected
# Check whether the given class names are already taken by user
# application or Ruby on Rails.
#
def
class_collisions
(
*
class_names
)
return
unless
behavior
==
:invoke
class_names
.
flatten
.
each
do
|
class_name
|
class_name
=
class_name
.
to_s
next
if
class_name
.
strip
.
empty?
# Split the class from its module nesting
nesting
=
class_name
.
split
(
'::'
)
last_name
=
nesting
.
pop
# Hack to limit const_defined? to non-inherited on 1.9
extra
=
[]
extra
<<
false
unless
Object
.
method
(
:const_defined?
).
arity
==
1
# Extract the last Module in the nesting
last
=
nesting
.
inject
(
Object
)
do
|
last
,
nest
|
break
unless
last
.
const_defined?
(
nest
,
*
extra
)
last
.
const_get
(
nest
)
end
if
last
&&
last
.
const_defined?
(
last_name
.
camelize
,
*
extra
)
raise
Error
,
"The name '
#{
class_name
}
' is either already used in your application "
<<
"or reserved by Ruby on Rails. Please choose an alternative and run "
<<
"this generator again."
end
end
end
# Use Rails default banner.
#
def
self
.
banner
"
#{
$0
}
#{
generator_name
}
#{
self
.
arguments
.
map
(
&
:usage
).
join
(
' '
)
}
[options]"
end
# Sets the base_name taking into account the current class namespace.
#
def
self
.
base_name
@base_name
||=
self
.
name
.
split
(
'::'
).
first
.
underscore
end
# Removes the namespaces and get the generator name. For example,
# Rails::Generators::MetalGenerator will return "metal" as generator name.
#
def
self
.
generator_name
@generator_name
||=
begin
klass_name
=
self
.
name
.
split
(
'::'
).
last
klass_name
.
gsub!
(
/Generator$/
,
''
)
klass_name
.
underscore
end
end
# Small macro to add ruby as an option to the generator with proper
# default value plus an instance helper method called shebang.
#
def
self
.
add_shebang_option!
require
'rbconfig'
default
=
File
.
join
(
Config
::
CONFIG
[
'bindir'
],
Config
::
CONFIG
[
'ruby_install_name'
])
class_option
:ruby
,
:type
=>
:string
,
:aliases
=>
"-r"
,
:default
=>
default
,
:desc
=>
"Path to the Ruby binary of your choice"
,
:banner
=>
"PATH"
no_tasks
do
define_method
:shebang
do
"#!
#{
options
[
:ruby
]
||
"/usr/bin/env ruby"
}
"
end
end
end
# Invoke a generator based on the value supplied by the user to the
# Invoke a generator based on the value supplied by the user to the
# given option named "name". A class option is created when this method
# given option named "name". A class option is created when this method
# is invoked and you can set a hash to customize it, although type and
# is invoked and you can set a hash to customize it, although type and
...
@@ -229,6 +155,80 @@ def invoke_#{name}
...
@@ -229,6 +155,80 @@ def invoke_#{name}
end
end
end
end
protected
# Check whether the given class names are already taken by user
# application or Ruby on Rails.
#
def
class_collisions
(
*
class_names
)
return
unless
behavior
==
:invoke
class_names
.
flatten
.
each
do
|
class_name
|
class_name
=
class_name
.
to_s
next
if
class_name
.
strip
.
empty?
# Split the class from its module nesting
nesting
=
class_name
.
split
(
'::'
)
last_name
=
nesting
.
pop
# Hack to limit const_defined? to non-inherited on 1.9
extra
=
[]
extra
<<
false
unless
Object
.
method
(
:const_defined?
).
arity
==
1
# Extract the last Module in the nesting
last
=
nesting
.
inject
(
Object
)
do
|
last
,
nest
|
break
unless
last
.
const_defined?
(
nest
,
*
extra
)
last
.
const_get
(
nest
)
end
if
last
&&
last
.
const_defined?
(
last_name
.
camelize
,
*
extra
)
raise
Error
,
"The name '
#{
class_name
}
' is either already used in your application "
<<
"or reserved by Ruby on Rails. Please choose an alternative and run "
<<
"this generator again."
end
end
end
# Use Rails default banner.
#
def
self
.
banner
"
#{
$0
}
#{
generator_name
}
#{
self
.
arguments
.
map
(
&
:usage
).
join
(
' '
)
}
[options]"
end
# Sets the base_name taking into account the current class namespace.
#
def
self
.
base_name
@base_name
||=
self
.
name
.
split
(
'::'
).
first
.
underscore
end
# Removes the namespaces and get the generator name. For example,
# Rails::Generators::MetalGenerator will return "metal" as generator name.
#
def
self
.
generator_name
@generator_name
||=
begin
klass_name
=
self
.
name
.
split
(
'::'
).
last
klass_name
.
gsub!
(
/Generator$/
,
''
)
klass_name
.
underscore
end
end
# Small macro to add ruby as an option to the generator with proper
# default value plus an instance helper method called shebang.
#
def
self
.
add_shebang_option!
require
'rbconfig'
default
=
File
.
join
(
Config
::
CONFIG
[
'bindir'
],
Config
::
CONFIG
[
'ruby_install_name'
])
class_option
:ruby
,
:type
=>
:string
,
:aliases
=>
"-r"
,
:default
=>
default
,
:desc
=>
"Path to the Ruby binary of your choice"
,
:banner
=>
"PATH"
no_tasks
do
define_method
:shebang
do
"#!
#{
options
[
:ruby
]
||
"/usr/bin/env ruby"
}
"
end
end
end
end
end
end
end
end
end
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