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add support for gemini (gemtext) links #88

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add support for gemini (gemtext) links #88

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d14c17f
add support for gemini (gemtext) links
Misterio77 Jun 17, 2022
18d60c1
gemini: remove extra line break
Misterio77 Jun 17, 2022
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52 changes: 42 additions & 10 deletions lib/jekyll-relative-links/generator.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,8 @@ class Generator < Jekyll::Generator
FRAG_AND_TITLE_REGEX = %r!#{FRAGMENT_REGEX}#{TITLE_REGEX}!.freeze
INLINE_LINK_REGEX = %r!\[#{LINK_TEXT_REGEX}\]\(([^)]+?)#{FRAG_AND_TITLE_REGEX}\)!.freeze
REFERENCE_LINK_REGEX = %r!^\s*?\[#{LINK_TEXT_REGEX}\]: (.+?)#{FRAG_AND_TITLE_REGEX}\s*?$!.freeze
LINK_REGEX = %r!(#{INLINE_LINK_REGEX}|#{REFERENCE_LINK_REGEX})!.freeze
GEMINI_LINK_REGEX = %r!^=>\s*((?:{. )?[^#\s}]*(?: .})?)(#[^\s]*|)?[^\S\r\n]*#{LINK_TEXT_REGEX}?$!.freeze
LINK_REGEX = %r!(#{INLINE_LINK_REGEX}|#{REFERENCE_LINK_REGEX}|#{GEMINI_LINK_REGEX})!.freeze
CONVERTER_CLASS = Jekyll::Converters::Markdown
CONFIG_KEY = "relative_links"
ENABLED_KEY = "enabled"
Expand All @@ -37,7 +38,7 @@ def generate(site)
documents = site.pages + site.docs_to_write if collections?

documents.each do |document|
next unless markdown_extension?(document.extname)
next unless markdown_extension?(document.extname) or gemini_extension?(document.extname)
next if document.is_a?(Jekyll::StaticFile)
next if excluded?(document)

Expand Down Expand Up @@ -72,19 +73,46 @@ def replace_relative_links!(document)
Link = Struct.new(:link_type, :text, :path, :fragment, :title)

def link_parts(matches)
last_inline = 5
link_type = matches[2] ? :inline : :reference
link_text = matches[link_type == :inline ? 2 : last_inline + 1]
relative_path = matches[link_type == :inline ? 3 : last_inline + 2]
fragment = matches[link_type == :inline ? 4 : last_inline + 3]
title = matches[link_type == :inline ? 5 : last_inline + 4]
Link.new(link_type, link_text, relative_path, fragment, title)
# Determine type based on non null matches
type =
if matches[10] then :gemini
elsif matches[6] then :reference
elsif matches[2] then :inline
else raise "invalid link type"
end

link_texts = {
:inline => matches[2],
:reference => matches[6],
:gemini => matches[12],
}
relative_paths = {
:inline => matches[3],
:reference => matches[7],
:gemini => matches[10],
}
fragments = {
:inline => matches[4],
:reference => matches[8],
:gemini => matches[11],
}
titles = {
:inline => matches[5],
:reference => matches[9],
:gemini => nil,
}

Link.new(type, link_texts[type], relative_paths[type], fragments[type], titles[type])
end

def context
@context ||= JekyllRelativeLinks::Context.new(site)
end

def gemini_extension?(extension)
extension == ".gmi"
end

def markdown_extension?(extension)
markdown_converter.matches(extension)
end
Expand Down Expand Up @@ -118,8 +146,12 @@ def replacement_text(link)

if link.link_type == :inline
"[#{link.text}](#{link.path}#{link.title})"
else
elsif link.link_type == :reference
"\n[#{link.text}]: #{link.path}#{link.title}"
elsif link.link_type == :gemini
"=> #{link.path} #{link.text}#{link.title}"
else
raise "invalid link type"
end
end

Expand Down