Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/deltacloud/core_ext/string.rb

Overview

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Instance Method Summary collapse

Instance Method Details

#blank? ⇒ Boolean

Rails defines this for a number of other classes, including Object see activesupport/lib/active_support/core_ext/object/blank.rb

Returns:

  • (Boolean) 


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# File 'lib/deltacloud/core_ext/string.rb', line 20

def blank?
    self !~ /\S/
end

#camelize(lowercase_first_letter = nil) ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 57

def camelize(lowercase_first_letter=nil)
  s = split('_').map { |w| w.capitalize }.join
  lowercase_first_letter ? s.uncapitalize : s
end

#convert_query_params(params = {}) ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 80

def convert_query_params(params={})
  gsub(/:(\w+)/) { |p| params.delete(p[1..-1].to_sym) } +
    params.to_query_params
end

#pluralize ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 35

def pluralize
  return self + 'es' if self =~ /ess$/
  return self[0, self.length-1] + "ies" if self =~ /ty$/
  return self if self =~ /data$/
  self + "s"
end

#remove_matrix_params ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 76

def remove_matrix_params
  self.gsub(/;([^\/]*)/, '').gsub(/\?(.*)$/, '')
end

#singularize ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 42

def singularize
  return self.gsub(/ies$/, 'y') if self =~ /ies$/
  return self.gsub(/es$/, '') if self =~ /sses$/
  self.gsub(/s$/, '')
end

#titlecase ⇒ Object

Title case.

"this is a string".titlecase
=> "This Is A String"

CREDIT: Eliazar Parra Copied from facets



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# File 'lib/deltacloud/core_ext/string.rb', line 31

def titlecase
  gsub(/\b\w/){ $`[-1,1] == "'" ? $& : $&.upcase }
end

#truncate(length = 10) ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 70

def truncate(length = 10)
  return self if self.length <= length
  end_string = "...#{self[(self.length-(length/2))..self.length]}"
  "#{self[0..(length/2)]}#{end_string}"
end

#uncapitalize ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 62

def uncapitalize
  self[0, 1].downcase + self[1..-1]
end

#underscore ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 48

def underscore
  return self.downcase if self =~ /VSPs$/i
  gsub(/::/, '/').
  gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
  gsub(/([a-z\d])([A-Z])/,'\1_\2').
  tr("-", "_").
  downcase
end

#upcase_first ⇒ Object 



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# File 'lib/deltacloud/core_ext/string.rb', line 66

def upcase_first
  self[0, 1].upcase + self[1..-1]
end