Module: Simple::Httpd::Helpers

Extended by:
Helpers
Included in:
Helpers
Defined in:
lib/simple/httpd/helpers.rb

Instance Method Summary collapse

Instance Method Details

#filter_stacktrace_entry?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simple/httpd/helpers.rb', line 60

def filter_stacktrace_entry?(line)
  return true if line =~ /\.rvm\b/

  false
end

#filtered_stacktrace(stacktrace, count: 20) ⇒ Object

Receives a stacktrace (like, for example, from Kernel#callers or from Exception#backtrace), and removes all lines that point to “.rvm”. It also removes the working directory from the file paths.

returns the cleaned array



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# File 'lib/simple/httpd/helpers.rb', line 71

def filtered_stacktrace(stacktrace, count: 20)
  lines = []

  stacktrace[0..count].inject(false) do |filtered_last_line, line|
    if filter_stacktrace_entry?(line)
      lines << "... (lines removed) ..." unless filtered_last_line
      true
    else
      lines << shorten_path(line)
      false
    end
  end

  lines
end

#instance_eval_paths(obj, paths:) ⇒ Object

instance_eval zero or more paths in the context of obj



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# File 'lib/simple/httpd/helpers.rb', line 40

def instance_eval_paths(obj, paths:)
  return obj unless paths

  Array(paths).each do |path|
    # STDERR.puts "Loading #{path}"
    obj.instance_eval File.read(path), path, 1
  end
  obj
end

#shorten_path(path) ⇒ Object 



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# File 'lib/simple/httpd/helpers.rb', line 16

def shorten_path(path)
  path = File.absolute_path(path)

  if path.start_with?(pwd)
    path = path[pwd.length..-1]
    path = File.join("./", path) if path =~ /\//
  end

  if path.start_with?(home)
    path = File.join("~/", path[home.length..-1])
  end

  path
end

#subclass(klass, paths: nil, description: nil) ⇒ Object

subclass a klass with an optional description



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# File 'lib/simple/httpd/helpers.rb', line 51

def subclass(klass, paths: nil, description: nil)
  raise "Missing description" unless description

  subclass = Class.new(klass)
  subclass.define_method(:inspect) { description } if description
  instance_eval_paths subclass, paths: paths if paths
  subclass
end

#underscore(str) ⇒ Object 



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# File 'lib/simple/httpd/helpers.rb', line 31

def underscore(str)
  parts = str.split("::")
  parts = parts.map do |part|
    part.gsub(/[A-Z]+/) { |ch| "_#{ch.downcase}" }.gsub(/^_/, "")
  end
  parts.join("/")
end