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