Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/curly/array.rb

Overview

Array helpers

Instance Method Summary collapse

Instance Method Details

#clean ⇒ Array

Remove extra spaces from each element of an array of strings

Returns:

  • (Array) —

    cleaned array



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# File 'lib/curly/array.rb', line 11

def clean
  map(&:clean)
end

#clean! ⇒ Object

See Also:



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# File 'lib/curly/array.rb', line 18

def clean!
  replace clean
end

#clean_output ⇒ Array

Clean up output, shrink single-item arrays, ensure array output

Returns:

  • (Array) —

    cleaned up array



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# File 'lib/curly/array.rb', line 178

def clean_output
  output = dup
  while output.is_a?(Array) && output.count == 1
    output = output[0]
  end
  output.ensure_array
end

#dedup_links ⇒ Array

Remove duplicate links from an array of link objects

Returns:

  • (Array) —

    deduped array of link objects



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# File 'lib/curly/array.rb', line 46

def dedup_links
  used = []
  good = []
  each do |link|
    href = link[:href].sub(%r{/$}, '')
    next if used.include?(href)

    used.push(href)
    good.push(link)
  end

  good
end

#dedup_links! ⇒ Object

Destructive version of #dedup_links

See Also:



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# File 'lib/curly/array.rb', line 65

def dedup_links!
  replace dedup_links
end

#dot_query(path) ⇒ Array

Run a query on array elements

Parameters:

  • path (String) —

    dot.syntax path to compare

Returns:

  • (Array) —

    elements matching dot query



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# File 'lib/curly/array.rb', line 76

def dot_query(path)
  res = map { |el| el.dot_query(path) }
  res.delete_if { |r| !r }
  res.delete_if(&:empty?)
  res
end

#ensure_array ⇒ Array

Ensure that an object is an array

Returns:

  • (Array) —

    object as Array



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# File 'lib/curly/array.rb', line 191

def ensure_array
  return self
end

#get_value(path) ⇒ Array

Gets the value of every item in the array

Parameters:

  • path —

    The query path (dot syntax)

Returns:

  • (Array) —

    array of values



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# File 'lib/curly/array.rb', line 90

def get_value(path)
  map { |el| el.get_value(path) }
end

#strip_tags ⇒ Array

Strip HTML tags from each element of an array of strings

Returns:

  • (Array) —

    array of strings with HTML tags removed



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# File 'lib/curly/array.rb', line 28

def strip_tags
  map(&:strip_tags)
end

#strip_tags! ⇒ Object

Destructive version of #strip_tags

See Also:



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# File 'lib/curly/array.rb', line 37

def strip_tags!
  replace strip_tags
end

#tag_match(tag_name, classes, id, attribute, operator, value, descendant: false) ⇒ Boolean

Test if a tag contains an attribute matching filter queries

Parameters:

  • tag_name (String) —

    The tag name

  • classes (String) —

    The classes to match

  • id (String) —

    The id attribute to match

  • attribute (String) —

    The attribute

  • operator (String) —

    The operator, <>= *= $= ^=

  • value (String) —

    The value to match

  • descendant (Boolean) (defaults to: false) —

    Check descendant tags

Returns:

  • (Boolean) —

    tag matches



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# File 'lib/curly/array.rb', line 119

def tag_match(tag_name, classes, id, attribute, operator, value, descendant: false)
  tag = self
  keep = true

  keep = false if tag_name && !tag['tag'] =~ /^#{tag_name}$/i

  if tag.key?('attrs') && tag['attrs']
    if keep && id
      tag_id = tag['attrs'].filter { |a| a['key'] == 'id' }.first['value']
      keep = tag_id && tag_id =~ /#{id}/i
    end

    if keep && classes
      cls = tag['attrs'].filter { |a| a['key'] == 'class' }.first
      if cls
        all = true
        classes.each { |c| all = cls['value'].include?(c) }
        keep = all
      else
        keep = false
      end
    end

    if keep && attribute
      attributes = tag['attrs'].filter { |a| a['key'] =~ /^#{attribute}$/i }
      any = false
      attributes.each do |a|
        break if any

        any = case operator
              when /^*/
                a['value'] =~ /#{value}/i
              when /^\^/
                a['value'] =~ /^#{value}/i
              when /^\$/
                a['value'] =~ /#{value}$/i
              else
                a['value'] =~ /^#{value}$/i
              end
      end
      keep = any
    end
  end

  return false if descendant && !keep

  if !descendant && tag.key?('tags')
    tags = tag['tags'].filter { |t| t.tag_match(tag_name, classes, id, attribute, operator, value) }
    tags.count.positive?
  else
    keep
  end
end

#to_html ⇒ String

Convert every item in the array to HTML

Returns:

  • (String) —

    Html representation of the object.



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# File 'lib/curly/array.rb', line 99

def to_html
  map(&:to_html)
end