112 lines
2.6 KiB
Ruby
112 lines
2.6 KiB
Ruby
module RSS
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module Utils
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module_function
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# Convert a name_with_underscores to CamelCase.
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def to_class_name(name)
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name.split(/[_\-]/).collect do |part|
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"#{part[0, 1].upcase}#{part[1..-1]}"
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end.join("")
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end
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def get_file_and_line_from_caller(i=0)
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file, line, = caller[i].split(':')
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line = line.to_i
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line += 1 if i.zero?
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[file, line]
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end
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# escape '&', '"', '<' and '>' for use in HTML.
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def html_escape(s)
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s.to_s.gsub(/&/, "&").gsub(/\"/, """).gsub(/>/, ">").gsub(/</, "<")
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end
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alias h html_escape
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# If +value+ is an instance of class +klass+, return it, else
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# create a new instance of +klass+ with value +value+.
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def new_with_value_if_need(klass, value)
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if value.is_a?(klass)
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value
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else
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klass.new(value)
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end
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end
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def element_initialize_arguments?(args)
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[true, false].include?(args[0]) and args[1].is_a?(Hash)
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end
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module YesCleanOther
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module_function
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def parse(value)
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if [true, false, nil].include?(value)
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value
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else
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case value.to_s
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when /\Ayes\z/i
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true
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when /\Aclean\z/i
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false
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else
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nil
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end
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end
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end
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end
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module YesOther
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module_function
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def parse(value)
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if [true, false].include?(value)
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value
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else
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/\Ayes\z/i.match(value.to_s) ? true : false
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end
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end
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end
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module CSV
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module_function
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def parse(value, &block)
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if value.is_a?(String)
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value = value.strip.split(/\s*,\s*/)
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value = value.collect(&block) if block_given?
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value
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else
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value
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end
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end
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end
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module InheritedReader
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def inherited_reader(constant_name)
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base_class = inherited_base
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result = base_class.const_get(constant_name)
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found_base_class = false
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ancestors.reverse_each do |klass|
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if found_base_class
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if klass.const_defined?(constant_name)
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result = yield(result, klass.const_get(constant_name))
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end
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else
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found_base_class = klass == base_class
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end
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end
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result
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end
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def inherited_array_reader(constant_name)
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inherited_reader(constant_name) do |result, current|
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current + result
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end
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end
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def inherited_hash_reader(constant_name)
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inherited_reader(constant_name) do |result, current|
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result.merge(current)
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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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