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# Contains Ruby standard library extensions specific to <tt>Twitter4R</tt> library.
# Extension to Hash to create URL encoded string from key-values
class Hash
# Returns string formatted for HTTP URL encoded name-value pairs.
# For example,
# {:id => 'thomas_hardy'}.to_http_str
# # => "id=thomas_hardy"
# {:id => 23423, :since => Time.now}.to_http_str
# # => "since=Thu,%2021%20Jun%202007%2012:10:05%20-0500&id=23423"
def to_http_str
result = ''
return result if self.empty?
self.each do |key, val|
result << "#{key}=#{CGI.escape(val.to_s)}&"
end
result.chop # remove the last '&' character, since it can be discarded
end
end
# Extension to Time that outputs RFC2822 compliant string on #to_s
class Time
alias :old_to_s :to_s
# Returns RFC2822 compliant string for <tt>Time</tt> object.
# For example,
# # Tony Blair's last day in office (hopefully)
# best_day_ever = Time.local(2007, 6, 27)
# best_day_ever.to_s # => "Wed, 27 Jun 2007 00:00:00 +0100"
# You can also pass in an option <tt>format</tt> argument that
# corresponds to acceptable values according to ActiveSupport's
# +Time#to_formatted_s+ method.
def to_s(format = nil)
format ? self.to_formatted_s(format) : self.rfc2822
end
end
# Extension to Kernel to add #gem_present? without any exceptions raised
module Kernel
# Returns whether or not a gem exists without raising a Gem::LoadError exception
def gem_present?(gem_name, version = nil)
present = false
begin
present = !!(version ? gem(gem_name, version) : gem(gem_name))
rescue Gem::LoadError => le
present = false
warn("Gem load error: Couldn't load #{gem_name} #{version ? "with version requirement #{version}: #{le.to_s}": ""}")
end
present
end
end
Version data entries
9 entries across 9 versions & 2 rubygems