class Lono::Yamler::Validator
Public Class Methods
new(path)
click to toggle source
# File lib/lono/yamler/validator.rb, line 3 def initialize(path) @path = path end
Public Instance Methods
handle_yaml_syntax_error(e, path)
click to toggle source
# File lib/lono/yamler/validator.rb, line 20 def handle_yaml_syntax_error(e, path) io = StringIO.new io.puts "Invalid yaml. Output written for debugging: #{path}".color(:red) io.puts "ERROR: #{e.message}".color(:red) # Grab line info. Example error: # ERROR: (<unknown>): could not find expected ':' while scanning a simple key at line 2 column 1 md = e.message.match(/at line (\d+) column (\d+)/) line = md[1].to_i lines = IO.read(path).split("\n") context = 5 # lines of context top, bottom = [line-context-1, 0].max, line+context-1 spacing = lines.size.to_s.size lines[top..bottom].each_with_index do |line_content, index| line_number = top+index+1 if line_number == line io.printf("%#{spacing}d %s\n".color(:red), line_number, line_content) else io.printf("%#{spacing}d %s\n", line_number, line_content) end end if ENV['LONO_TEST'] io.string else puts io.string exit 1 end end
validate!()
click to toggle source
# File lib/lono/yamler/validator.rb, line 7 def validate! validate_yaml(@path) end
validate_yaml(path)
click to toggle source
# File lib/lono/yamler/validator.rb, line 11 def validate_yaml(path) text = IO.read(path) begin YAML.load(text) rescue Psych::SyntaxError => e handle_yaml_syntax_error(e, path) end end