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| author | Daniel Schierbeck <daniel.schierbeck@gmail.com> | 2008-09-23 22:42:36 +0200 |
|---|---|---|
| committer | Pratik Naik <pratiknaik@gmail.com> | 2008-11-21 01:15:49 +0530 |
| commit | a5156d9c2c3fe63f8b6a352199e51544ae28876a (patch) | |
| tree | d6953be244d9c698b6bb638cafc2b58a645e03ad /activesupport/lib/active_support/core_ext/module/delegation.rb | |
| parent | 206c5643aae40b0884d42fdb8caeb3f763936fa9 (diff) | |
| download | rails-a5156d9c2c3fe63f8b6a352199e51544ae28876a.tar.gz rails-a5156d9c2c3fe63f8b6a352199e51544ae28876a.tar.bz2 rails-a5156d9c2c3fe63f8b6a352199e51544ae28876a.zip | |
Ensure only delegations to methods can have an automatic prefix. [#1235 state:resolved]
Signed-off-by: Pratik Naik <pratiknaik@gmail.com>
Diffstat (limited to 'activesupport/lib/active_support/core_ext/module/delegation.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/module/delegation.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index 1ad18402e5..2905eebc85 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -78,6 +78,10 @@ class Module raise ArgumentError, "Delegation needs a target. Supply an options hash with a :to key as the last argument (e.g. delegate :hello, :to => :greeter)." end + if options[:prefix] == true && options[:to].to_s =~ /^[^a-z_]/ + raise ArgumentError, "Can only automatically set the delegation prefix when delegating to a method." + end + prefix = options[:prefix] && "#{options[:prefix] == true ? to : options[:prefix]}_" methods.each do |method| |