Class: SL::SearchLink

Inherits:
Object
  • Object
show all
Includes:
Plist
Defined in:
lib/searchlink/config.rb,
lib/searchlink/help.rb,
lib/searchlink/parse.rb,
lib/searchlink/search.rb

Overview

Main SearchLink class

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Plist

parse_xml

Constructor Details

#initialize(opt = {}) ⇒ SearchLink

Returns a new instance of SearchLink.



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# File 'lib/searchlink/config.rb', line 33

def initialize(opt = {})
  SL.printout = opt[:echo] || false
  unless File.exist? config_file
    default_config = <<~ENDCONFIG
      # set to true to have an HTML comment included detailing any errors
      # Can be disabled per search with `--d`, or enabled with `++d`.
      debug: true
      # set to true to have an HTML comment included reporting results
      report: true

      # use Notification Center to display progress
      notifications: false

      # when running on a file, back up original to *.bak
      backup: true

      # Time limit for searches. Increase if your searches are regularly
      # timing out
      timeout: 15

      # change this to set a specific country for search (default US)
      country_code: US

      # set to true to force inline Markdown links. Can be disabled
      # per search with `--i`, or enabled with `++i`
      inline: false

      # set to true to include a random string in reference titles.
      # Avoids conflicts if you're only running on part of a document
      # or using SearchLink multiple times within a document
      prefix_random: true

      # set to true to add titles to links based on the page title
      # of the search result. Can be disabled per search with `--t`,
      # or enabled with `++t`.
      include_titles: false

      # set to true to attempt to remove SEO elements from page titles,
      # such that "Regular expressions for beginners | Brett Terpstra.com"
      # becomes "Regular expressions for beginners"
      remove_seo: false

      # confirm existence (200) of generated links. Can be disabled
      # per search with `--v`, or enabled with `++v`.
      validate_links: false

      # If the link text is left empty, always insert the page title
      # E.g. [](!g Search Text)
      empty_uses_page_title: false

      # Formatting for social links, use %service%, %user%, and %url%
      # E.g. "%user% on %service%" => "ttscoff on Twitter"
      #      "%service%/%user%" => "Twitter/ttscoff"
      #      "%url%" => "twitter.com/ttscoff"
      social_template: "%service%/%user%"

      # append affiliate link info to iTunes urls, empty quotes for none
      # example:
      # itunes_affiliate: "&at=10l4tL&ct=searchlink"
      itunes_affiliate: "&at=10l4tL&ct=searchlink"

      # to create Amazon affiliate links, set amazon_partner to your amazon
      # affiliate tag
      #    amazon_partner: "bretttercom-20"
      amazon_partner: "bretttercom-20"

      # To create custom abbreviations for Google Site Searches,
      # add to (or replace) the hash below.
      # "abbreviation" => "site.url",
      # This allows you, for example to use [search term](!bt)
      # as a shortcut to search brettterpstra.com (using a site-specific
      # Google search). Keys in this list can override existing
      # search trigger abbreviations.
      #
      # If a custom search starts with "http" or "/", it becomes
      # a simple replacement. Any instance of "$term" is replaced
      # with a URL-escaped version of your search terms.
      # Use $term1, $term2, etc. to replace in sequence from
      # multiple search terms. No instances of "$term" functions
      # as a simple shortcut. "$term" followed by a "d" lowercases
      # the replacement. Use "$term1d," "$term2d" to downcase
      # sequential replacements (affected individually).
      # Long flags (e.g. --no-validate_links) can be used after
      # any url in the custom searches.
      #
      # Use $terms to slugify all search terms, turning
      # "Markdown Service Tools" into "markdown-service-tools"
      custom_site_searches:
        bt: brettterpstra.com
        btt: https://brettterpstra.com/topic/$term1d
        bts: /search/$term --no-validate_links
        md: www.macdrifter.com
        ms: macstories.net
        dd: www.leancrew.com
        spark: macsparky.com
        man: http://man.cx/$term
        dev: developer.apple.com
        nq: http://nerdquery.com/?media_only=0&query=$term&search=1&category=-1&catid=&type=and&results=50&db=0&prefix=0
        gs: http://scholar.google.com/scholar?btnI&hl=en&q=$term&btnG=&as_sdt=80006
      # Remove or comment (with #) history searches you don't want
      # performed by `!h`. You can force-enable them per search, e.g.
      # `!hsh` (Safari History only), `!hcb` (Chrome Bookmarks only),
      # etc. Multiple types can be strung together: !hshcb (Safari
      # History and Chrome bookmarks).
      history_types:
      - safari_bookmarks
      - safari_history
      # - chrome_history
      # - chrome_bookmarks
      # - firefox_bookmarks
      # - firefox_history
      # - edge_bookmarks
      # - edge_history
      # - brave_bookmarks
      # - brave_history
      # - arc_history
      # - arc_bookmarks
      # Pinboard search
      # You can find your api key here: https://pinboard.in/settings/password
      pinboard_api_key: ''
      # Generate an access token at https://app.bitly.com/settings/api/
      bitly_access_token: ''
      bitly_domain: 'bit.ly'
      # Custom Google API key to use Google search (free for 100 queries/day)
      google_api_key: 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

    ENDCONFIG

    File.open(config_file, "w") do |f|
      f.puts default_config
    end
  end

  config = YAML.load_file(config_file)

  # set to true to have an HTML comment inserted showing any errors
  config["debug"] ||= false

  # set to true to get a verbose report at the end of multi-line processing
  config["report"] ||= false

  config["backup"] = true unless config.key? "backup"

  config["timeout"] ||= 15

  # set to true to force inline links
  config["inline"] ||= false

  # set to true to add titles to links based on site title
  config["include_titles"] ||= false

  # set to true to remove SEO elements from page titles
  config["remove_seo"] ||= false

  # set to true to use page title as link text when empty
  config["empty_uses_page_title"] ||= false

  # change this to set a specific country for search (default US)
  config["country_code"] ||= "US"

  # set to true to include a random string in ref titles
  # allows running SearchLink multiple times w/out conflicts
  config["prefix_random"] = false unless config["prefix_random"]

  config["social_template"] ||= "%service%/%user%"

  # append affiliate link info to iTunes urls, empty quotes for none
  # example:
  # $itunes_affiliate = "&at=10l4tL&ct=searchlink"
  config["itunes_affiliate"] ||= "&at=10l4tL&ct=searchlink"

  # to create Amazon affiliate links, set amazon_partner to your amazon
  # affiliate tag
  #    amazon_partner: "bretttercom-20"
  config["amazon_partner"] ||= ""

  # To create custom abbreviations for Google Site Searches,
  # add to (or replace) the hash below.
  # "abbreviation" => "site.url",
  # This allows you, for example to use [search term](!bt)
  # as a shortcut to search brettterpstra.com. Keys in this
  # hash can override existing search triggers.
  config["custom_site_searches"] ||= {
    "bt" => "brettterpstra.com",
    "imdb" => "imdb.com"
  }

  # confirm existence of links generated from custom search replacements
  config["validate_links"] ||= false

  # use notification center to show progress
  config["notifications"] ||= false
  config["pinboard_api_key"] ||= false
  config["google_api_key"] ||= false

  SL.line_num = nil
  SL.match_column = nil
  SL.match_length = nil
  SL.config = config
end

Instance Attribute Details

#clipboard ⇒ Object (readonly)

Returns the value of attribute clipboard.



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# File 'lib/searchlink/search.rb', line 10

def clipboard
  @clipboard
end

#originput ⇒ Object (readonly)

Returns the value of attribute originput.



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# File 'lib/searchlink/search.rb', line 10

def originput
  @originput
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/searchlink/search.rb', line 10

def output
  @output
end

Instance Method Details

#add_title(link_info) ⇒ Object 



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# File 'lib/searchlink/parse.rb', line 102

def add_title(link_info)
  @url = link_info
  title = SL::URL.title(@url)
  @link_text = title

  if @ref_title
    unless @links.key? @url
      @links[@url] = @link_text
      SL.add_footer SL.make_link(:ref_title, @link_text, @url, title: title, force_title: false)
    end
    @delete_line = true
  elsif SL.config["inline"]
    res = SL.make_link(:inline, @link_text, @url, title: title, force_title: false)
    @cursor_difference += SL.match_length - res.length
    SL.match_length = res.length
    SL.add_report("#{@match_string} => #{@url}")
    res
  else
    unless @links.key? @url
      @highest_marker += 1
      @links[@url] = format("%<pre>s%<m>04d", pre: @prefix, m: @highest_marker)
      SL.add_footer SL.make_link(:ref_title, @links[@url], @url, title: title, force_title: false)
    end

    type = SL.config["inline"] ? :inline : :ref_link
    res = SL.make_link(type, @link_text, @links[@url], title: false, force_title: false)
    @cursor_difference += SL.match_length - res.length
    SL.match_length = res.length
    SL.add_report("#{@match_string} => #{@url}")
    res
  end
end

#config_file ⇒ Object

Values found in ~/.searchlink will override defaults in this script



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# File 'lib/searchlink/config.rb', line 22

def config_file
  old_style = File.expand_path("~/.searchlink")
  new_style = File.expand_path("~/.config/searchlink/config.yaml")
  if File.exist?(old_style) && !File.exist?(new_style)
    old_style
  else
    FileUtils.mkdir_p(File.dirname(new_style))
    new_style
  end
end

#create_footnote(mtch) ⇒ Object 



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# File 'lib/searchlink/parse.rb', line 82

def create_footnote(mtch)
  if mtch[1].nil? || mtch[1] == ""
    match
  else
    note = mtch[1].strip
    @footnote_counter += 1
    ref = if !@link_text.empty? && @link_text.scan(/\s/).empty?
        @link_text
      else
        format("%<p>sfn%<c>04d", p: @prefix, c: @footnote_counter)
      end
    SL.add_footer "[^#{ref}]: #{note}"
    res = "[^#{ref}]"
    @cursor_difference += (SL.match_length - res.length)
    SL.match_length = res.length
    SL.add_report("#{@match_string} => Footnote #{ref}")
    res
  end
end

#custom_search(search_type, search_terms) ⇒ Object 



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# File 'lib/searchlink/parse.rb', line 135

def custom_search(search_type, search_terms)
  SL.config["custom_site_searches"].each do |k, v|
    next unless search_type == k

    @link_text = search_terms if !SL.titleize && @link_text == ""
    v = parse_arguments(v, { no_restore: true })
    if v =~ %r{^(/|http)}i
      search_type = "r"
      tokens = v.scan(/\$term\d+[ds]?/).sort.uniq

      if !tokens.empty?
        highest_token = 0
        tokens.each do |token|
          if token =~ /(\d+)[ds]?$/ && Regexp.last_match(1).to_i > highest_token
            highest_token = Regexp.last_match(1).to_i
          end
        end
        terms_p = search_terms.split(/ +/)
        if terms_p.length > highest_token
          remainder = terms_p[highest_token - 1..-1].join(" ")
          terms_p = terms_p[0..highest_token - 2]
          terms_p.push(remainder)
        end
        tokens.each do |t|
          next unless t =~ /(\d+)[ds]?$/

          int = Regexp.last_match(1).to_i - 1
          replacement = terms_p[int]
          case t
          when /d$/
            replacement.downcase!
            re_down = ""
          when /s$/
            replacement.slugify!
            re_down = ""
          else
            re_down = "(?!d|s)"
          end
          v.gsub!(/#{Regexp.escape(t) + re_down}/, replacement.url_encode)
        end
        search_terms = v
      else
        search_terms = v.gsub(/\$term[ds]?/i) do |mtch|
          search_terms.downcase! if mtch =~ /d$/i
          search_terms.slugify! if mtch =~ /s$/i
          search_terms.url_encode
        end
      end
    else
      search_type = SL::GoogleSearch.api_key? ? "gg" : "g"
      search_terms = "site:#{v} #{search_terms}"
    end

    break
  end
  [search_type, search_terms]
end

#help_cli ⇒ Object 



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# File 'lib/searchlink/help.rb', line 101

def help_cli
  $stdout.puts help_text
end

#help_css ⇒ Object 



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# File 'lib/searchlink/help.rb', line 5

def help_css
  <<~ENDCSS
    body{-webkit-font-smoothing:antialiased;font-family:"Avenir Next",Avenir,"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;
    margin:30px 0 0;padding:0;background:#fff;color:#303030;font-size:16px;line-height:1.5;text-align:center}h1{color:#000}
    h2{color:#111}p,td,div{color:#111;font-family:"Avenir Next",Avenir,"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;
    word-wrap:break-word}a{color:#de5456;text-decoration:none;-webkit-transition:color .2s ease-in-out;
    -moz-transition:color .2s ease-in-out;-o-transition:color .2s ease-in-out;-ms-transition:color .2s ease-in-out;
    transition:color .2s ease-in-out}a:hover{color:#3593d9}h1,h2,h3,h4,h5{margin:2.75rem 0 2rem;font-weight:500;line-height:1.15}
    h1{margin-top:0;font-size:2em}h2{font-size:1.7em}ul,ol,pre,table,blockquote{margin-top:2em;margin-bottom:2em}
    caption,col,colgroup,table,tbody,td,tfoot,th,thead,tr{border-spacing:0}table{border:1px solid rgba(0,0,0,0.25);
    border-collapse:collapse;display:table;empty-cells:hide;margin:-1px 0 1.3125em;padding:0;table-layout:fixed;margin:0 auto}
    caption{display:table-caption;font-weight:700}col{display:table-column}colgroup{display:table-column-group}
    tbody{display:table-row-group}tfoot{display:table-footer-group}thead{display:table-header-group}
    td,th{display:table-cell}tr{display:table-row}table th,table td{font-size:1.2em;line-height:1.3;padding:.5em 1em 0}
    table thead{background:rgba(0,0,0,0.15);border:1px solid rgba(0,0,0,0.15);border-bottom:1px solid rgba(0,0,0,0.2)}
    table tbody{background:rgba(0,0,0,0.05)}table tfoot{background:rgba(0,0,0,0.15);border:1px solid rgba(0,0,0,0.15);
    border-top:1px solid rgba(0,0,0,0.2)}p{font-size:1.1429em;line-height:1.72em;margin:1.3125em 0}dt,th{font-weight:700}
    table tr:nth-child(odd),table th:nth-child(odd),table td:nth-child(odd){background:rgba(255,255,255,0.06)}
    table tr:nth-child(even),table td:nth-child(even){background:rgba(200,200,200,0.25)}
    input[type=text] {padding: 5px;border-radius: 5px;border: solid 1px #ccc;font-size: 20px;}
  ENDCSS
end

#help_dialog ⇒ Object 



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# File 'lib/searchlink/help.rb', line 89

def help_dialog
  text = ["<html><head><style>#{help_css}</style><script>#{help_js}</script></head><body>"]
  text << "<h1>SearchLink Help</h1>"
  text << "<p>[#{SL.version_check}] [<a href='https://github.com/ttscoff/searchlink/wiki'>Wiki</a>]</p>"
  text << help_html
  text << '<p><a href="https://github.com/ttscoff/searchlink/wiki">Visit the wiki</a> for additional information</p>'
  text << "</body>"
  html_file = File.expand_path("~/.searchlink_searches.html")
  File.open(html_file, "w") { |f| f.puts text.join("\n") }
  `open #{html_file}`
end

#help_html ⇒ Object 



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# File 'lib/searchlink/help.rb', line 75

def help_html
  out = ['<input type="text" id="filter" onkeyup="filterTable()" placeholder="Filter searches">']
  out << "<h2>Available Searches</h2>"
  out << SL::Searches.available_searches_html
  out << "<h2>Custom Searches</h2>"
  out << '<table id="custom">'
  out << "<thead><td>Shortcut</td><td>Search Type</td></thead>"
  out << "<tbody>"
  SL.config["custom_site_searches"].each { |label, site| out << "<tr><td><code>!#{label}</code></td><td>#{site}</td></tr>" }
  out << "</tbody>"
  out << "</table>"
  out.join("\n")
end

#help_js ⇒ Object 



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# File 'lib/searchlink/help.rb', line 28

def help_js
  <<~EOJS
    function filterTable() {
      let input, filter, table, tr, i, txtValue;
      input = document.getElementById("filter");
      filter = input.value.toUpperCase();
      table = document.getElementById("searches");
      table2 = document.getElementById("custom");

      tr = table.getElementsByTagName("tr");

      for (i = 0; i < tr.length; i++) {
          txtValue = tr[i].textContent || tr[i].innerText;
          if (txtValue.toUpperCase().indexOf(filter) > -1) {
            tr[i].style.display = "";
          } else {
            tr[i].style.display = "none";
          }
      }

      tr = table2.getElementsByTagName("tr");

      for (i = 0; i < tr.length; i++) {
          txtValue = tr[i].textContent || tr[i].innerText;
          if (txtValue.toUpperCase().indexOf(filter) > -1) {
            tr[i].style.display = "";
          } else {
            tr[i].style.display = "none";
          }
      }
    }
  EOJS
end

#help_text ⇒ Object 



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# File 'lib/searchlink/help.rb', line 62

def help_text
  text = <<~EOHELP
    -- [Available searches] -------------------
    #{SL::Searches.available_searches}
  EOHELP

  if SL.config["custom_site_searches"]
    text += "\n-- [Custom Searches] ----------------------\n"
    SL.config["custom_site_searches"].sort_by { |l, _s| l }.each { |label, site| text += "!#{label}#{label.spacer} #{site}\n" }
  end
  text
end

#parse(input) ⇒ Object 



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# File 'lib/searchlink/parse.rb', line 193

def parse(input)
  SL.output = []
  return false if input.empty?

  parse_arguments(input, { only_meta: true })
  SL.originput = input.dup

  parse_commands(input)

  SL.config["inline"] = true if input.scan(/\]\(/).length == 1 && input.split(/\n/).length == 1
  SL.errors = {}
  SL.report = []

  # Check for new version
  latest_version = SL.new_version?
  if latest_version
    SL.add_output("<!-- v#{latest_version} available, run SearchLink on the word 'update' to install. -->")
  end

  @links = {}
  SL.footer = []
  counter_links = 0
  counter_errors = 0

  input.sub!(/\n?<!-- Report:.*?-->\n?/m, "")
  input.sub!(/\n?<!-- Errors:.*?-->\n?/m, "")

  input.scan(/\[(.*?)\]:\s+(.*?)\n/).each { |match| @links[match[1].strip] = match[0] }

  @prefix = if SL.config["prefix_random"]
      if input =~ /\[(\d{4}-)\d+\]: \S+/
        Regexp.last_match(1)
      else
        format("%04d-", rand(9999))
      end
    else
      ""
    end

  @highest_marker = 0
  input.scan(/^\s{,3}\[(?:#{@prefix})?(\d+)\]: /).each do
    m = Regexp.last_match
    @highest_marker = m[1].to_i if m[1].to_i > @highest_marker
  end

  @footnote_counter = 0
  input.scan(/^\s{,3}\[\^(?:#{@prefix})?fn(\d+)\]: /).each do
    m = Regexp.last_match
    @footnote_counter = m[1].to_i if m[1].to_i > @footnote_counter
  end

  if SL.config["complete_bare"]
    rx = %r{(?ix-m)(?<!\(|:\s|<)(?:
            (?:https?://)(?:[\da-z.-]+)\.(?:[a-z.]{2,6})
            (?:[/\w\d.\-()_/+=?&%]*?(?=[\s\n]|$))
          )}
    input.gsub!(rx) do
      url_match = Regexp.last_match
      url_match.pre_match =~ /!\S+ +$/ ? url_match[0] : "[%](#{url_match[0]})"
    end
  end

  if input =~ /\[(.*?)\]\((.*?)\)/
    lines = input.split(/\n/)
    out = []

    total_links = input.scan(/\[(.*?)\]\((.*?)\)/).length
    in_code_block = false
    line_difference = 0
    lines.each_with_index do |line, num|
      SL.line_num = num - line_difference
      @cursor_difference = 0
      # ignore links in code blocks
      if line =~ /^( {4,}|\t+)[^*+\-]/
        out.push(line)
        next
      end
      if line =~ /^[~`]{3,}/
        if in_code_block
          in_code_block = false
          out.push(line)
          next
        else
          in_code_block = true
        end
      end
      if in_code_block
        out.push(line)
        next
      end

      @delete_line = false

      @search_count = 0

      line.gsub!(/\[(.*?)\]\((.*?)\)/) do |match|
        this_match = Regexp.last_match
        SL.match_column = this_match.begin(0) - @cursor_difference
        @match_string = this_match.to_s
        SL.match_length = @match_string.length
        match_before = this_match.pre_match

        invalid_search = false
        @ref_title = false

        if match_before.scan(/(^|[^\\])`/).length.odd?
          SL.add_report("Match '#{@match_string}' within an inline code block")
          invalid_search = true
        end

        counter_links += 1
        unless SILENT
          $stderr.print("\033[0K\rProcessed: #{counter_links} of #{total_links}, #{counter_errors} errors. ")
        end

        @link_text = this_match[1] || ""
        link_info = parse_arguments(this_match[2].strip).strip || ""

        if @link_text.strip == "" && link_info =~ /".*?"/
          link_info.gsub!(/"(.*?)"/) do
            m = Regexp.last_match
            @link_text = m[1] if @link_text == ""
            m[0]
          end
        end

        link_info.gsub!(/<(.*?)>/) do
          %(%22#{Regexp.last_match(1)}%22)
        end

        if link_info.strip =~ /:$/ && line.strip == match
          @ref_title = true
          link_info.sub!(/\s*:\s*$/, "")
        end

        if @link_text.empty? && link_info.sub(/^[!\^]\S+/, "").strip.empty?
          SL.add_error("No input", match)
          counter_errors += 1
          invalid_search = true
        end

        if link_info =~ /^!(\S+)/
          search_type = Regexp.last_match(1)
          unless SL::Searches.valid_search?(search_type) || search_type =~ /^(\S+\.)+\S+$/
            SL.add_error("Invalid search#{SL::Searches.did_you_mean(search_type)}", match)
            invalid_search = true
          end
        end

        if invalid_search
          match
        elsif link_info =~ /^\^(.+)/
          m = Regexp.last_match
          create_footnote(m)
          # Handle [](URL) and [%](URL), filling in title
        elsif (@link_text == "" || @link_text == "%") && SL::URL.url?(link_info)
          add_title(link_info)
        elsif (@link_text == "" && link_info == "") || SL::URL.url?(link_info)
          SL.add_error("Invalid search", match) unless SL::URL.url?(link_info)
          match
        else
          link_info = @link_text if !@link_text.empty? && link_info == ""

          search_type = ""
          search_terms = ""
          link_only = false
          SL.clipboard = false
          SL.titleize = SL.config["empty_uses_page_title"]

          if link_info =~ /^(?:[!\^](\S+))\s*(.*)$/
            m = Regexp.last_match

            search_type = if m[1].nil?
                SL::GoogleSearch.api_key? ? "gg" : "g"
              else
                m[1]
              end

            search_terms = m[2].gsub(/(^["']|["']$)/, "")
            search_terms.strip!

            # if the link text is just '%' replace with title regardless of config settings
            if @link_text == "%" && search_terms && !search_terms.empty?
              SL.titleize = true
              @link_text = ""
            end

            search_terms = @link_text if search_terms == ""

            # if the input starts with a +, append it to the link text as the search terms
            if search_terms.strip =~ /^\+[^+]/
              search_terms = "#{@link_text} #{search_terms.strip.sub(/^\+\s*/, "")}"
            end

            # if the end of input contain "^", copy to clipboard instead of STDOUT
            SL.clipboard = true if search_terms =~ /(!!)?\^(!!)?$/

            # if the end of input contains "!!", only print the url
            link_only = true if search_terms =~ /!!\^?$/

            search_terms = search_terms.sub(/(!!)?\^?(!!)?$/, "")
          elsif link_info =~ /^!/
            search_word = link_info.match(/^!(\S+)/)

            if search_word && SL::Searches.valid_search?(search_word[1])
              search_type = search_word[1] unless search_word.nil?
              search_terms = @link_text
            elsif search_word && search_word[1] =~ /^(\S+\.)+\S+$/
              search_type = SL::GoogleSearch.api_key? ? "gg" : "g"
              search_terms = "site:#{search_word[1]} #{@link_text}"
            else
              SL.add_error("Invalid search#{SL::Searches.did_you_mean(search_word[1])}", match)
              search_type = false
              search_terms = false
            end
          elsif @link_text && !@link_text.empty? && (!link_info || link_info.empty?)
            search_type = SL::GoogleSearch.api_key? ? "gg" : "g"
            search_terms = @link_text
          elsif link_info && !link_info.empty?
            search_type = SL::GoogleSearch.api_key? ? "gg" : "g"
            search_terms = link_info
          else
            SL.add_error("Invalid search", match)
            search_type = false
            search_terms = false
          end

          if search_type && !search_terms.empty?
            search_type, search_terms = custom_search(search_type, search_terms)
          end

          if (search_type && search_terms) || @url
            # warn "Searching #{search_type} for #{search_terms}"

            @search_count += 1
            @url, title, @link_text = do_search(search_type, search_terms, @link_text, @search_count)

            if (@link_text == "" || @link_text == "%") && @url
              if title
                @link_text = title
              else
                add_title(@url)
              end
            end

            if @url
              title = SL::URL.title(@url) if SL.titleize && title == ""

              @link_text = title if @link_text == "" && title
              force_title = search_type =~ /def/ ? true : false

              if link_only || search_type =~ /sp(ell)?/ || @url == "embed"
                @url = title if @url == "embed"
                @cursor_difference += SL.match_length - @url.length
                SL.match_length = @url.length
                SL.add_report("#{@match_string} => #{@url}")
                @url
              elsif @ref_title
                unless @links.key? @url
                  @links[@url] = @link_text
                  SL.add_footer SL.make_link(:ref_title, @link_text, @url, title: title, force_title: force_title)
                end
                @delete_line = true
              elsif SL.config["inline"]
                res = SL.make_link(:inline, @link_text, @url, title: title, force_title: force_title)
                @cursor_difference += SL.match_length - res.length
                SL.match_length = res.length
                SL.add_report("#{@match_string} => #{@url}")
                res
              else
                unless @links.key? @url
                  @highest_marker += 1
                  @links[@url] = format("%<pre>s%<m>04d", pre: @prefix, m: @highest_marker)
                  SL.add_footer SL.make_link(:ref_title, @links[@url], @url, title: title, force_title: force_title)
                end

                type = SL.config["inline"] ? :inline : :ref_link
                res = SL.make_link(type, @link_text, @links[@url], title: false, force_title: force_title)
                @cursor_difference += SL.match_length - res.length
                SL.match_length = res.length
                SL.add_report("#{@match_string} => #{@url}")
                res
              end
            else
              SL.add_error("No results", "#{search_terms} (#{@match_string})")
              counter_errors += 1
              match
            end
          else
            SL.add_error("Invalid search", match)
            counter_errors += 1
            match
          end
        end
      end
      line_difference += 1 if @delete_line
      out.push(line) unless @delete_line
      @delete_line = false
    end
    warn "\n" unless SILENT

    input = out.delete_if { |l| l.strip =~ /^<!--DELETE-->$/ }.join("\n")

    if SL.config["inline"]
      SL.add_output "#{input}\n"
      SL.add_output "\n#{SL.print_footer}" unless SL.footer.empty?
    elsif SL.footer.empty?
      SL.add_output input
    else
      last_line = input.strip.split(/\n/)[-1]
      case last_line
      when /^\[.*?\]: http/
        SL.add_output "#{input.rstrip}\n"
      when /^\[\^.*?\]: /
        SL.add_output input.rstrip
      else
        SL.add_output "#{input}\n\n"
      end
      SL.add_output "#{SL.print_footer}\n\n"
    end

    SL.line_num = nil
    SL.add_report("Processed: #{total_links} links, #{counter_errors} errors.")
    SL.print_report
    SL.print_errors
  else
    link_only = false
    SL.clipboard = false

    res = parse_arguments(input.strip!).strip
    input = res.nil? ? input.strip : res

    # if the end of input contain "^", copy to clipboard instead of STDOUT
    SL.clipboard = true if input =~ /\^[!~:\s]*$/

    # if the end of input contains "!!", only print the url
    link_only = true if input =~ /!![\^~:\s]*$/

    reference_link = input =~ /:([!\^~\s]*)$/

    # if end of input contains ~, pull url from clipboard
    if input =~ /~[:\^!\s]*$/
      input.sub!(/[:!\^\s~]*$/, "")
      clipboard = `__CF_USER_TEXT_ENCODING=$UID:0x8000100:0x8000100 pbpaste`.strip
      if SL::URL.url?(clipboard)
        type = reference_link ? :ref_title : :inline
        print SL.make_link(type, input.strip, clipboard)
      else
        print SL.originput
      end
      Process.exit
    end

    input.sub!(/[:!\^\s~]*$/, "")

    ## Maybe if input is just a URL, convert it to a link
    ## using hostname as text without doing search
    if SL::URL.only_url?(input.strip)
      type = reference_link ? :ref_title : :inline
      @url, title = SL::URL.url_to_link(input.strip, type)
      print SL.make_link(type, title, @url, title: false, force_title: false)
      Process.exit
    end

    # check for additional search terms in parenthesis
    additional_terms = ""
    if input =~ /\((.*?)\)/
      additional_terms = " #{Regexp.last_match(1).strip}"
      input.sub!(/\(.*?\)/, "")
    end

    # Maybe detect "search + addition terms" and remove additional terms from link text?
    # if input =~ /\+(.+?)$/
    #   additional_terms = "#{additional_terms} #{Regexp.last_match(1).strip}"
    #   input.sub!(/\+.*?$/, '').strip!
    # end

    @link_text = false

    if input =~ /"(.*?)"/
      @link_text = Regexp.last_match(1)
      input.gsub!(/"(.*?)"/, '\1')
    end

    # remove quotes from terms, just in case
    # input.sub!(/^(!\S+)?\s*(["'])(.*?)\2([\!\^]+)?$/, "\\1 \\3\\4")

    case input
    when /^!(\S+)\s+(.*)$/
      type = Regexp.last_match(1)
      link_info = Regexp.last_match(2).strip
      @link_text ||= link_info
      terms = link_info + additional_terms
      terms.strip!

      if SL::Searches.valid_search?(type) || type =~ /^(\S+\.)+\S+$/
        if type && terms && !terms.empty?
          # Iterate through custom searches for a match, perform search if matched
          SL.config["custom_site_searches"].each do |k, v|
            next unless type == k

            @link_text = terms if @link_text == ""
            v = parse_arguments(v, { no_restore: true })
            if v =~ %r{^(/|http)}i
              type = "r"
              tokens = v.scan(/\$term\d+[ds]?/).sort.uniq

              if !tokens.empty?
                highest_token = 0
                tokens.each do |token|
                  t = Regexp.last_match(1)
                  highest_token = t.to_i if token =~ /(\d+)d?$/ && t.to_i > highest_token
                end
                terms_p = terms.split(/ +/)
                if terms_p.length > highest_token
                  remainder = terms_p[highest_token - 1..-1].join(" ")
                  terms_p = terms_p[0..highest_token - 2]
                  terms_p.push(remainder)
                end
                tokens.each do |t|
                  next unless t =~ /(\d+)d?$/

                  int = Regexp.last_match(1).to_i - 1
                  replacement = terms_p[int]

                  re_down = case t
                    when /d$/
                      replacement.downcase!
                      ""
                    when /s$/
                      replacement.slugify!
                      ""
                    else
                      "(?!d|s)"
                    end
                  v.gsub!(/#{Regexp.escape(t) + re_down}/, replacement.url_encode)
                end
                terms = v
              else
                terms = v.gsub(/\$term[ds]?/i) do |mtch|
                  terms.downcase! if mtch =~ /d$/i
                  terms.slugify! if mtch =~ /s$/i
                  terms.url_encode
                end
              end
            else
              type = SL::GoogleSearch.api_key? ? "gg" : "g"
              terms = "site:#{v} #{terms}"
            end

            break
          end
        end

        # if contains TLD, use site-specific search
        if type =~ /^(\S+\.)+\S+$/
          terms = "site:#{type} #{terms}"
          type = SL::GoogleSearch.api_key? ? "gg" : "g"
        end
        @search_count ||= 0
        @search_count += 1

        @url, title, @link_text = do_search(type, terms, @link_text, @search_count)
      else
        SL.add_error("Invalid search#{SL::Searches.did_you_mean(type)}", input)
        counter_errors += 1
      end
      # Social handle expansion
    when /^([tfilm])?@(\S+)\s*$/
      type = Regexp.last_match(1)
      type ||= if Regexp.last_match(2) =~ /[a-z0-9_]@[a-z0-9_.]+/i
          "m"
        else
          "t"
        end
      @link_text = input.sub(/^[tfilm]/, "")
      @url, title = SL::SocialSearch.social_handle(type, @link_text)
      @link_text = title
    else
      @link_text ||= input
      @url, title, @link_text = SL.ddg(input, @link_text)
    end

    if @url
      if type =~ /sp(ell)?/
        SL.add_output(@url)
      elsif link_only
        SL.add_output(@url)
      elsif @url == "embed"
        SL.add_output(title)
      else
        type = reference_link ? :ref_title : :inline

        SL.add_output SL.make_link(type, @link_text, @url, title: title, force_title: false)
        SL.print_errors
      end
    else
      SL.add_error("No results", title)
      SL.add_output SL.originput.chomp
      SL.print_errors
    end

    if SL.clipboard
      if SL.output == SL.originput
        warn "No results found"
      else
        `echo #{Shellwords.escape(SL.output.join(""))}|tr -d "\n"|pbcopy`
        warn "Results in clipboard"
      end
    end
  end
end

#parse_arguments(string, opt = {}) ⇒ String

Parse arguments in the input string

Parameters:

  • string (String) —

    the string to parse

  • opt (Hash) (defaults to: {}) —

    the options to parse

Options Hash (opt):

  • :only_meta (Boolean) — default: false —

    whether to skip flags

  • :no_restore (Boolean) — default: false —

    whether to restore previous config

Returns:

  • (String) —

    the parsed string



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# File 'lib/searchlink/parse.rb', line 13

def parse_arguments(string, opt = {})
  input = string.dup
  return "" if input.nil?

  skip_flags = opt[:only_meta] || false
  no_restore = opt[:no_restore] || false
  restore_prev_config unless no_restore

  input.parse_flags! unless skip_flags

  options = %w[debug country_code inline prefix_random include_titles remove_seo validate_links complete_bare]
  options.each do |o|
    if input =~ /^ *#{o}:\s+(\S+)$/
      val = Regexp.last_match(1).strip

      if val.is_a?(String)
        value = true if val =~ /true/i
        value = false if val =~ /false/i
      end
      val = value if value
      SL.config[o] = val
      warn "\r\033[0KGlobal config: #{o} = #{SL.config[o]}\n" unless SILENT
    end

    next if skip_flags

    while input =~ /^#{o}:\s+(.*?)$/ || input =~ /--(no-)?#{o}/
      next unless input =~ /--(no-)?#{o}/ && !skip_flags

      unless SL.prev_config.key? o
        SL.prev_config[o] = SL.config[o]
        bool = Regexp.last_match(1).nil? || Regexp.last_match(1) == "" ? true : false
        SL.config[o] = bool
        $stderr.print "\r\033[0KLine config: #{o} = #{SL.config[o]}\n" unless SILENT
      end
      input.sub!(/\s?--(no-)?#{o}/, "")
    end
  end
  SL.clipboard ? string : input
end

#parse_commands(input) ⇒ Object

Parse commands from the given input string

Parameters:

  • input (String) —

    the input string



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# File 'lib/searchlink/parse.rb', line 57

def parse_commands(input)
  # Handle commands like help or docs
  return unless input.strip =~ /^!?(h(elp)?|wiki|docs?|v(er(s(ion)?)?)?|up(date|grade))$/

  case input.strip
  when /^!?help$/i
    if SILENT
      help_dialog
    else
      $stdout.puts SL.version_check.to_s
      $stdout.puts "See https://github.com/ttscoff/searchlink/wiki for help"
    end
    print input
  when /^!?(wiki|docs)$/i
    warn "Opening wiki in browser"
    `open https://github.com/ttscoff/searchlink/wiki`
  when /^!?v(er(s(ion)?)?)?$/
    print "[#{SL.version_check}]"
  when /^!?up(date|grade)$/
    SL.update_searchlink
    print SL.output.join("")
  end
  Process.exit 0
end

#restore_prev_config ⇒ Object 



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# File 'lib/searchlink/config.rb', line 234

def restore_prev_config
  @prev_config&.each do |k, v|
    SL.config[k] = v
    $stderr.print "\r\033[0KReset config: #{k} = #{SL.config[k]}\n" unless SILENT
  end
  @prev_config = {}
end