module FrozenFilters - frozen-filters-0.3.0 Documentation

array_head(input, p) click to toggle source

Returns the first N elements of an array. e.g. `{{ [“first”,“second”,“third”] | array_head: 2 }}` =~ `[“first”,“second”]`. If the number of parameters is negative it returns an empty array. The the input isn't an array it returns the untouched input.

# File lib/frozen-filters.rb, line 59
def array_head(input, p)
  input.kind_of?(Array) ? input.take([0, p.to_i].max) : input
end

array_tail(input, p) click to toggle source

Returns the last N elements of an array. e.g. `{{ [“first”,“second”,“third”] | array_tail: 2 }}` =~ `[“second”,“third”]`. If the number of parameters is negative it returns an empty array. The the input isn't an array it returns the untouched input.

# File lib/frozen-filters.rb, line 67
def array_tail(input, p)
  input.kind_of?(Array) ? input.drop([0, input.length - p.to_i].max) : input
end

array_to_taglist(input, p) click to toggle source

Transforms an array into an enclose html tag list separated by newline. e.g. `{{ [“first”,“second” | array_to_taglist: “li” }}` =~ “`html <li>first</li> <li>second</li> “` The the input isn't an array it returns the untouched input.

# File lib/frozen-filters.rb, line 78
def array_to_taglist(input, p)
  if input.kind_of?(Array) && p.kind_of?(String)
    startTag = "<" + p + ">"
    endTag = "</" + p + ">"
    input.length != 0 ? startTag + input.join(endTag + "\n" + startTag) + endTag : ""
  else
    input
  end
end

extract_basename(input) click to toggle source

Returns the basename of an url. e.g. `index.html`.

# File lib/frozen-filters.rb, line 24
def extract_basename(input)
  input.to_s.gsub(/^.*\/([^\/\?]+).*$/, '\1')
end

extract_dirname(input) click to toggle source

Returns the dirname of an url. e.g. `/first/second`.

# File lib/frozen-filters.rb, line 29
def extract_dirname(input)
  result = extract_path(input).gsub(/\/[^\/]+$/, '')
  result != "" ? result : "/"
end

extract_path(input) click to toggle source

Returns the path of an url. e.g. `/first/second/index.html`.

# File lib/frozen-filters.rb, line 35
def extract_path(input)
  input_s = input.to_s
  if /^(\w+):/.match(input_s)
    input_s.gsub(/^\w+:[^\/]*\/\/[^\/]+(\/[^\?]+)(?:\?.*)?$/, '\1')
  else
    input_s.gsub(/(?:\?.*)$/, '')
  end
end

extract_protocol(input) click to toggle source

Returns the protocol. e.g. `http`.

# File lib/frozen-filters.rb, line 45
def extract_protocol(input)
  matches = input.to_s.match(/^(\w+):/)
  matches ? matches[1] : ""
end

extract_qs(input) click to toggle source

Returns the query string part. e.g. `param1=value1&param2=value2`.

# File lib/frozen-filters.rb, line 51
def extract_qs(input)
  input.to_s.gsub(/^[^\?]*\??/, '\1')
end

remove_ext(input) click to toggle source

Removes the extension part of an url. e.g. `www.example.com/first/second/index?param1=value1¶m2=value2`.

# File lib/frozen-filters.rb, line 14
def remove_ext(input)
  input.to_s.gsub(/\.[^\.\?]+(\?[^\?]*)?$/, '\1')
end

remove_qs(input) click to toggle source

Removes the query string part of an url. e.g. `www.example.com/first/second/index.html`.

# File lib/frozen-filters.rb, line 19
def remove_qs(input)
  input.to_s.gsub(/\?[^\?]+$/, '')
end