Class: Cyberweb::CopyAllImagesFromThisWebpageToTheCurrentWorkingDirectory

Inherits:
Base
  • Object
show all
Defined in:
lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb

Overview

Foo::CopyAllImagesFromThisWebpageToTheCurrentWorkingDirectory

Constant Summary collapse

IMAGE_DIRECTORY =
#

IMAGE_DIRECTORY

#
Cyberweb.roebe_image_dir?
RELATIVE_IMAGE_DIRECTORY =
#

RELATIVE_IMAGE_DIRECTORY

#
Cyberweb.home_x_dir?

Constants inherited from Base

Base::HOME_DIRECTORY_OF_THE_USER_X, Base::NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#be_verbose, #be_verbose?, #cascading_style_sheets_directory?, #cd, #commandline_mode?, #copyright?, #css_comment, #delete_directory, #do_toggle, #e, #echo_raw, #filename?, #full_path_to_image_directory?, #html_colours?, #html_image, #htmlentities, #img_dir?, #infer_the_namespace, #initialize_the_configuration, #is_a_file?, #is_a_video_file?, #is_an_image_file?, #is_on_roebe?, #last_tag_used?, #last_tag_used_first_element?, #last_tag_used_id?, #mkdir, #mode?, #namespace?, #open_in_browser, #opne, #opnn, #remove_comments_from_this_string_but_preserve_CSS_rules, #remove_html, #return_all_directories, #return_date, #return_program_name, #return_pwd, #ruby_header?, #server_base_directory?, #set_commandline_mode, #set_last_tag_used, #update_the_image_directory, #use_this_relative_directory_for_custom_images?, #www_mode?

Methods included from BaseModule::FileRelatedFunctionality

#copy_this_file, #cpr, #delete_file, #filename_without_extension?, #read_file_via_utf8_encoding

Methods included from BaseModule

#attach_these_constants, #base_dir?, #beautiful_url, #cd, #create_the_internal_hash, #doctype?, #ee, #ensure_main_encoding, #esystem, #html_templates, #initialize_the_config_if_the_config_hash_is_empty, #internal_hash?, #log_dir?, #no_http, #random_alphabet_characters, #rarrow?, #rds, #remove_comments_from_this_string, #remove_numbers, #require_the_html_templates, #require_these, #return_file_size_in_kb_of, #return_html_comment, #ruby_sitelib_dir?, #sanitize_this_id, #server_base_directory?, #string_remote_image, #today?, #try_to_require_rack, #try_to_require_the_open_gem, #write_what_into

Methods included from BaseModule::ContentType

#content_type_is_html, #content_type_is_jpeg, #content_type_is_json, #content_type_is_plain_text

Methods included from BaseModule::CommandlineArguments

#append_to_the_commandline_arguments, #commandline_arguments?, #first_argument?, #parse_these_commandline_arguments, #second_argument?, #set_commandline_arguments

Methods included from BaseModule::Colours

#all_html_colours, #lightgreen, #rev, #sdir, #sfancy, #sfile, #simp, #steelblue, #tomato

Constructor Details

#initialize(commandline_arguments = nil, run_already = true) ⇒ CopyAllImagesFromThisWebpageToTheCurrentWorkingDirectory

#

initialize

#


38
39
40
41
42
43
44
45
46
47
# File 'lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb', line 38

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  reset
  set_commandline_arguments(
    commandline_arguments
  )
  run if run_already
end

Class Method Details

.[](i = ARGV) ⇒ Object

#

Cyberweb::CopyAllImagesFromThisWebpageToTheCurrentWorkingDirectory[]

#


127
128
129
# File 'lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb', line 127

def self.[](i = ARGV)
  new(i)
end

Instance Method Details

#copy_this_image(i) ⇒ Object

#

copy_this_image

#


96
97
98
# File 'lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb', line 96

def copy_this_image(i)
  FileUtils.copy(i, Dir.pwd)
end

#download_this_image(i) ⇒ Object

#

download_this_image

#


60
61
62
# File 'lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb', line 60

def download_this_image(i)
  esystem "wget #{i}"
end

#prepare_these_images(i) ⇒ Object

#

prepare_these_images

#


67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
# File 'lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb', line 67

def prepare_these_images(i)
  opne "Operating on #{steelblue(i.size.to_s)} images next."
  i.each {|entry|
    if entry.start_with?('http') and !File.exist?(File.basename(entry))
      download_this_image(entry)
    elsif entry.start_with?('../') or File.file?(entry) # Then it must be a local image file.
      # =================================================================== #
      # So, first we must find out the full path
      # =================================================================== #
      if entry.start_with?('../')
        target = RELATIVE_IMAGE_DIRECTORY+ # IMAGE_DIRECTORY
                 entry.delete_prefix('../' * entry.scan(/\.\.\//).size)
      else
        target = entry.dup
      end
      unless File.exist? File.basename(target)
        opne rev+'Working on the following local image next: '+
             steelblue(target)
        copy_this_image(target)
      end
    else
      puts 'Unhandled '+entry+'.' unless File.exist?(File.basename(entry))
    end
  }
end

#resetObject

#

reset (reset tag)

#


52
53
54
55
# File 'lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb', line 52

def reset
  super()
  infer_the_namespace
end

#runObject

#

run (run tag)

#


103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
# File 'lib/cyberweb/utility_scripts/copy_all_images_from_this_webpage_to_the_current_working_directory.rb', line 103

def run
  _ = first_argument?
  if _ and File.exist?(_)
    opne "#{rev}Working on the file #{sfile(_)} #{rev}next."
    dataset = default_read(_)
    # ===================================================================== #
    # Determine the regex to use:
    # ===================================================================== #
    use_this_regex = /<img(.+)src="(.*?)"(.*)>/ # See: https://rubular.com/r/19LkHDFjX9Hg5o
    all_images = dataset.scan(use_this_regex).map {|array|
      array[1]
    }
    # ===================================================================== #
    # Now we should have all images that need to be prepared. So, we can
    # next pass these images into a separate method that will download
    # these images for us.
    # ===================================================================== #
    prepare_these_images(all_images)
  end
end