Class: Jekyll::PaginateV2::Generator::Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll-paginate-v2/generator/utils.rb

Overview

Static utility functions that are used in the code and don’t belong in once place in particular

Class Method Summary collapse

Class Method Details

.calculate_number_of_pages(all_posts, per_page) ⇒ Object

Static: Calculate the number of pages.

all_posts - The Array of all Posts. per_page - The Integer of entries per page.

Returns the Integer number of pages.



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 16

def self.calculate_number_of_pages(all_posts, per_page)
  (all_posts.size.to_f / per_page.to_i).ceil
end

.ensure_full_path(url, default_index, default_ext) ⇒ Object

Ensures that the passed in url has a index and extension applied



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 128

def self.ensure_full_path(url, default_index, default_ext)
  if( url.end_with?('/'))
    return url + default_index + default_ext
  elsif !url.include?('.')
    return url + default_index
  end
  # Default
  return url
end

.ensure_leading_dot(path) ⇒ Object

Static: Return a String version of the input which has a leading dot.

If the input already has a dot in position zero, it will be
returned unchanged.

path - a String path

Returns the path with a leading slash



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 43

def self.ensure_leading_dot(path)
  path[0..0] == "." ? path : ".#{path}"
end

.ensure_leading_slash(path) ⇒ Object

Static: Return a String version of the input which has a leading slash.

If the input already has a forward slash in position zero, it will be
returned unchanged.

path - a String path

Returns the path with a leading slash



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 54

def self.ensure_leading_slash(path)
  path[0..0] == "/" ? path : "/#{path}"
end

.ensure_trailing_slash(path) ⇒ Object

Static: Return a String version of the input which has a trailing slash.

If the input already has a forward slash at the end, it will be
returned unchanged.

path - a String path

Returns the path with a trailing slash



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 74

def self.ensure_trailing_slash(path)
  path[-1] == "/" ? path : "#{path}/"
end

.format_page_number(toFormat, cur_page_nr, total_page_count = nil) ⇒ Object

Static: returns a fully formatted string with the current (:num) page number and maximum (:max) page count replaced if configured



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 22

def self.format_page_number(toFormat, cur_page_nr, total_page_count=nil)
  s = toFormat.sub(':num', cur_page_nr.to_s)
  if !total_page_count.nil?
    s = s.sub(':max', total_page_count.to_s)
  end
  return s
end

.format_page_title(toFormat, title, cur_page_nr = nil, total_page_count = nil) ⇒ Object

Static: returns a fully formatted string with the :title variable and the current (:num) page number and maximum (:max) page count replaced



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 32

def self.format_page_title(toFormat, title, cur_page_nr=nil, total_page_count=nil)
  return format_page_number(toFormat.sub(':title', title.to_s), cur_page_nr, total_page_count)
end

.remove_leading_slash(path) ⇒ Object

Static: Return a String version of the input without a leading slash.

path - a String path

Returns the input without the leading slash



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 63

def self.remove_leading_slash(path)
  path[0..0] == "/" ? path[1..-1] : path
end

.sort_get_post_data(post_data, sort_field) ⇒ Object

Retrieves the given sort field from the given post the sort_field variable can be a hierarchical value on the form “parent_field:child_field” repeated as many times as needed only the leaf child_field will be retrieved



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 104

def self.sort_get_post_data(post_data, sort_field)
  
  # Begin by splitting up the sort_field by (;,:.)
  sort_split = sort_field.split(":")
  sort_value = post_data

  sort_split.each do |r_key|
    key = r_key.downcase.strip # Remove any erronious whitespace and convert to lower case
    if !sort_value.has_key?(key)
      return nil
    end
    # Work my way through the hash
    sort_value = sort_value[key]
  end

  # If the sort value is a hash then return nil else return the value
  if( sort_value.is_a?(Hash) )
    return nil
  else
    return sort_value
  end
end

.sort_values(a, b) ⇒ Object

Sorting routine used for ordering posts by custom fields. Handles Strings separately as we want a case-insenstive sorting



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# File 'lib/jekyll-paginate-v2/generator/utils.rb', line 82

def self.sort_values(a, b)
  if a.nil? && !b.nil?
    return -1
  elsif !a.nil? && b.nil?
    return 1
  end

  if a.is_a?(String)
    return a.downcase <=> b.downcase
  end

  if a.respond_to?('to_datetime') && b.respond_to?('to_datetime')
    return a.to_datetime <=> b.to_datetime
  end

  # By default use the built in sorting for the data type
  return a <=> b
end