iande

Nokogiri Parser Comparisons

Author: Ezekiel Templin
Date: February 06, 2011
Summary: Comparing Nokogiri's parsers

System Information

Operating System:    Mac OS X 10.6.6 (10J567)

CPU: Intel Core i7 2.66 GHz

iande

class Page < Ohm::Model
  attribute :name
  attribute :html
  list :blocks, BlockContent
  
  index :name
  
  def validate
    assert_present :name
  end

iande

result_objects = Google.search("something") do |results|
  results.map do |link|
    obj = build_object ...
    obj.title = link.content
    obj.url = link.href

    get(link.href) do |doc|
      obj.description = doc['div#desc'].content
      ...
    end

iande

package_error()
{
  local _message=$1
  if [[ -z "${_message}" ]]
  then
    fail "Cannot print a package error as no message was provided."
  fi
  local _log=$2

  if [[ -n ${_log} ]] && file_exists ${_log}

iande

class Result
  # Possible attributes:
  #   seller_name: String, nil
  #   title      : String, nil
  #   description: String
  #   price      : Decimal

  def human_readable_on_base
    str = if self.title
            "#{self.title} "

iande

class String
  def levenshtein other
    # .. left as exercise for the reader
  end

class Object
  def method_missing meth, *args, &block
    meth_str = meth.to_s
    new_meth = self.methods.map do |m|
      [meth_str.levenshtein(m.to_s), m]

iande

rvm use ruby-1.9.2
gem install open_gem
gem sandbox install flog

iande

def self.make_year(year, bias)
  # Check for year > 2 digits, etc
  # ...
  start_year = Chronic.time_class.now.year - bias
  century = (start_year / 100) * 100
  full_year = century + year
  if full_year < start_year
    full_year + 100
  else
    full_year

iande

module MyMod

  class << self
    attr_reader :my_reader
  end

  attr_reader :my_other_reader

  module_function :my_other_reader
end

iande

#!/usr/bin/env bash

if [[ -s "/Users/chaos/.rvm/environments/ruby-1.9.2-p180@global" ]]
then
  source "/Users/chaos/.rvm/environments/ruby-1.9.2-p180@global"
  exec ruby "$@"
else
  echo "ERROR: Missing RVM environment file: '/Users/chaos/.rvm/environments/ruby-1.9.2-p180@global'" >&2
  exit 1
fi