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Contents
# frozen_string_literal: true
module Doing
##
## URL linking and formatting
##
module StringURL
##
## Turn raw urls into HTML links
##
## @param opt [Hash] Additional Options
##
## @option opt [Symbol] :format can be :markdown or
## :html (default)
##
def link_urls(**opt)
fmt = opt.fetch(:format, :html)
return self unless fmt
str = dup
str = str.remove_self_links if fmt == :markdown
str.replace_qualified_urls(format: fmt).clean_unlinked_urls
end
## @see #link_urls
def link_urls!(**opt)
fmt = opt.fetch(:format, :html)
replace link_urls(format: fmt)
end
# Remove <self-linked> formatting
def remove_self_links
gsub(/<(.*?)>/) do |match|
m = Regexp.last_match
if m[1] =~ /^https?:/
m[1]
else
match
end
end
end
# Replace qualified urls
def replace_qualified_urls(**options)
fmt = options.fetch(:format, :html)
gsub(%r{(?mi)(?x:
(?<!["'\[(\\])
(?<protocol>(?:http|https)://)
(?<domain>[\w\-]+(?:\.[\w\-]+)+)
(?<path>[\w\-.,@?^=%&;:/~+#]*[\w\-@^=%&;/~+#])?
)}) do |_match|
m = Regexp.last_match
url = "#{m['domain']}#{m['path']}"
proto = m['protocol'].nil? ? 'http://' : m['protocol']
case fmt
when :terminal
TTY::Link.link_to("#{proto}#{url}", "#{proto}#{url}")
when :html
%(<a href="#{proto}#{url}" title="Link to #{m['domain']}">[#{url}]</a>)
when :markdown
"[#{url}](#{proto}#{url})"
else
m[0]
end
end
end
# Clean up unlinked <urls>
def clean_unlinked_urls
gsub(/<(\w+:.*?)>/) do |match|
m = Regexp.last_match
if m[1] =~ /<a href/
match
else
%(<a href="#{m[1]}" title="Link to #{m[1]}">[link]</a>)
end
end
end
end
end
Version data entries
41 entries across 41 versions & 1 rubygems