Class: PrettyTrace::Formatter

Inherits:
Object
  • Object
show all
Defined in:
lib/pretty_trace/formatter.rb

Class Method Summary collapse

Class Method Details

.colors ⇒ Object 



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# File 'lib/pretty_trace/formatter.rb', line 26

def self.colors
  {
    reset:  "\e[0m",
    black:  "\e[30m",
    red:    "\e[31m",
    green:  "\e[32m",
    yellow: "\e[33m",
    blue:   "\e[34m",
    magenta:"\e[35m",
    cyan:   "\e[36m",
    white:  "\e[37m",
  }
end

.pretty_trace(backtrace, opts = {}) ⇒ Object 



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# File 'lib/pretty_trace/formatter.rb', line 3

def self.pretty_trace(backtrace, opts={})
  filter = opts[:filter] || []
  filter = [filter] unless filter.is_a? Array

  filter.each do |expression|
    backtrace.reject! { |trace| trace =~ expression }
  end

  backtrace.map! do |item|
    if item =~ /(.+):(-?\d+):in `(.+)'/
      file, line, method = $1, $2, $3
      dir = File.dirname(file).split('/').last
      dir = dir == '.' ? '' : "#{dir}/"
      file = File.basename file

      item = "line %{green}#{line.to_s.ljust 4}%{reset} in %{cyan}#{dir}%{magenta}#{file}%{reset} > %{blue}#{method}%{reset}" % colors
    end
    item
  end

  backtrace
end