Class: Cyberweb::FixIncorrectLinksToLocallyExistingImagesInThisFile

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

Overview

Cyberweb::FixIncorrectLinksToLocallyExistingImagesInThisFile

Constant Summary collapse

LOCAL_PATH_TO_THE_IMAGES =
#

LOCAL_PATH_TO_THE_IMAGES

This constant is probably not needed, but it is kept here just in case.

#
'/home/x/data/images/'

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) ⇒ FixIncorrectLinksToLocallyExistingImagesInThisFile

#

initialize

#


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# File 'lib/cyberweb/utility_scripts/fix_incorrect_links_to_locally_existing_images_in_this_file.rb', line 33

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::FixIncorrectLinksToLocallyExistingImagesInThisFile[]

#


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# File 'lib/cyberweb/utility_scripts/fix_incorrect_links_to_locally_existing_images_in_this_file.rb', line 103

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

Instance Method Details

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/cyberweb/utility_scripts/fix_incorrect_links_to_locally_existing_images_in_this_file.rb', line 47

def reset
  super()
  infer_the_namespace
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/cyberweb/utility_scripts/fix_incorrect_links_to_locally_existing_images_in_this_file.rb', line 55

def run
  _ = ''.dup
  if first? and File.exist?(first?)
    dataset = File.readlines(first?)
    dataset.each {|line|
      if line.include?('<img src')
        # ================================================================= #
        # The next regex is also kept at rubular.com:
        #
        #   https://rubular.com/r/6V83P5NiG8pyO9
        #
        # ================================================================= #
        regex_to_use = /<img src="(.+?)"/
        line =~ regex_to_use
        match = $1.to_s.dup # ← This may be a String such as "../../../data/images/STD/DOT_06.png".
        # ================================================================= #
        # Next check whether the image-file exists. If not we can modify
        # this link.
        # ================================================================= #
        unless File.exist? match
          # =============================================================== #
          # Do rewrite the line now using another regex.
          # =============================================================== #
          if match.include? 'data/images'
            regex_to_use = /([.\/]+data\/images\/)/ # See: https://rubular.com/r/usU0d1a0ouhtEm
          else # else use another regex, the one
            regex_to_use = /<img src="(.+?)"/
          end
          new_target = rds(
            '../' * (return_pwd.count('/') - 1)+
            LOCAL_PATH_TO_THE_IMAGES
          )
          line.gsub!(regex_to_use, new_target)
        end
      end
      _ << "#{line}" # And append it.
    }
  end
  unless _.empty?
    into = 'foobar.html'
    puts "Storing into `#{sfile(into)}`."
    write_what_into(_, into)
  end
end