Class: HashAtPath::Path

Inherits:
Object
  • Object
show all
Defined in:
lib/hash_at_path/path.rb

Class Method Summary collapse

Class Method Details

.extract_path_data(path_string) ⇒ Object

Extracts paths and predicates from the provide full path



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# File 'lib/hash_at_path/path.rb', line 16

def extract_path_data(path_string)
  results = array_wrap(path_string.scan(/([^\[]*)(\[)*(\d|\-\d|\*)*(\])*/i))
  results.map {|match| {:path => match[0], :predicate => match[2]}}
end

.parse(path_string) ⇒ Object 



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# File 'lib/hash_at_path/path.rb', line 4

def parse(path_string)
  path_string = replace_predicates(path_string)
  vals = extract_path_data(path_string)
end

.replace_predicates(path_string) ⇒ Object 



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# File 'lib/hash_at_path/path.rb', line 9

def replace_predicates(path_string)
  path_string.gsub!(/first\(\)/, "0")
  path_string.gsub!(/last\(\)/, "-1")
  path_string
end