diff options
Diffstat (limited to 'actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/core_extensions.rb')
-rw-r--r-- | actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/core_extensions.rb | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/core_extensions.rb b/actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/core_extensions.rb new file mode 100644 index 0000000000..da62c33bbf --- /dev/null +++ b/actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/core_extensions.rb @@ -0,0 +1,63 @@ +#:stopdoc: +unless Object.respond_to?(:blank?) + class Object + # Check first to see if we are in a Rails environment, no need to + # define these methods if we are + + # An object is blank if it's nil, empty, or a whitespace string. + # For example, "", " ", nil, [], and {} are blank. + # + # This simplifies + # if !address.nil? && !address.empty? + # to + # if !address.blank? + def blank? + if respond_to?(:empty?) && respond_to?(:strip) + empty? or strip.empty? + elsif respond_to?(:empty?) + empty? + else + !self + end + end + end + + class NilClass + def blank? + true + end + end + + class FalseClass + def blank? + true + end + end + + class TrueClass + def blank? + false + end + end + + class Array + alias_method :blank?, :empty? + end + + class Hash + alias_method :blank?, :empty? + end + + class String + def blank? + empty? || strip.empty? + end + end + + class Numeric + def blank? + false + end + end +end +#:startdoc:
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