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Contents
module FactoryToys
class Parser # Feature Factory
attr_accessor :elements
def elements
@elements ||= {}
end
def initialize(data)
rows = self.split_by_row(data)
rows = self.process_elements(rows)
elements[:base] = (rows.empty? ? '' : rows.join("\n") )
end
protected
def process_elements(rows)
row = 0
while rows.size > row
rows, row = self.process_element(rows, row)
end
return rows
end
def split_by_row(data)
data.split("\n")
end
def process_element(rows, row)
if rows[row] =~ /^[\s]*([^\s]+)[\s]*=[\s]*<<-([^\s]+)[\s]*$/
name, start_text = $1, $2
self.make_instance_variable(rows, row)
rows = self.extract_element(rows, row, name, start_text)
return rows, row
else
self.make_instance_variable(rows, row)
return rows, row + 1
end
end
def make_instance_variable(rows, row)
if rows[row] =~ /^([\s]*)([^\s]+)([\s]*)=(.*)$/
unless [':','"',"'",'@'].include?($2[0..0]) or
['>'].include?($4[0..0])
rows[row] = "#{$1}@#{$2}#{$3}=#{$4}"
end
end
end
def extract_element(rows, row, name, start_text)
end_row = find_closure_text(rows, row, start_text)
elements[name.to_sym] = self.element_string(rows[row..end_row])
(row == 0 ? [] : rows[0..row-1]) + rows[end_row+1..-1]
end
def element_string(element_rows)
element_rows.map! do |row|
if row =~ /^[\s]*<< ([^\s]+)[\s]*$/
raise UnknownInlineError, $1 unless elements[$1.to_sym]
elements[$1.to_sym].split("\n")[1..-2]
else
row
end
end
return element_rows.join("\n")
end
def find_closure_text(rows, row, start_text)
rows[row..-1].each_with_index do |row_text, i|
return row + i if row_text.strip == start_text
end
raise FactoryToys::CloseTagNotFoundError
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems