34 lines
1,008 B
Ruby
34 lines
1,008 B
Ruby
module ActiveSupport #:nodoc:
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module CoreExtensions #:nodoc:
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module String #:nodoc:
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# Additional string tests.
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module StartsEndsWith
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def self.append_features(base)
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if '1.8.7 and up'.respond_to?(:start_with?)
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base.class_eval do
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alias_method :starts_with?, :start_with?
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alias_method :ends_with?, :end_with?
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end
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else
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super
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base.class_eval do
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alias_method :start_with?, :starts_with?
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alias_method :end_with?, :ends_with?
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end
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end
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end
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# Does the string start with the specified +prefix+?
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def starts_with?(prefix)
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prefix.respond_to?(:to_str) && self[0, prefix.length] == prefix
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end
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# Does the string end with the specified +suffix+?
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def ends_with?(suffix)
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suffix.respond_to?(:to_str) && self[-suffix.length, suffix.length] == suffix
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end
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end
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end
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end
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end
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