126 lines
3.7 KiB
Ruby
126 lines
3.7 KiB
Ruby
# Frozen-string-literal: true
|
|
# Encoding: utf-8
|
|
|
|
module Jekyll
|
|
module Converters
|
|
class Markdown
|
|
class KramdownParser
|
|
CODERAY_DEFAULTS = {
|
|
"css" => "style",
|
|
"bold_every" => 10,
|
|
"line_numbers" => "inline",
|
|
"line_number_start" => 1,
|
|
"tab_width" => 4,
|
|
"wrap" => "div"
|
|
}.freeze
|
|
|
|
def initialize(config)
|
|
Jekyll::External.require_with_graceful_fail "kramdown"
|
|
@main_fallback_highlighter = config["highlighter"] || "rouge"
|
|
@config = config["kramdown"] || {}
|
|
@highlighter = nil
|
|
setup
|
|
end
|
|
|
|
# Setup and normalize the configuration:
|
|
# * Create Kramdown if it doesn't exist.
|
|
# * Set syntax_highlighter, detecting enable_coderay and merging
|
|
# highlighter if none.
|
|
# * Merge kramdown[coderay] into syntax_highlighter_opts stripping coderay_.
|
|
# * Make sure `syntax_highlighter_opts` exists.
|
|
|
|
def setup
|
|
@config["syntax_highlighter"] ||= highlighter
|
|
@config["syntax_highlighter_opts"] ||= {}
|
|
@config["coderay"] ||= {} # XXX: Legacy.
|
|
modernize_coderay_config
|
|
make_accessible
|
|
end
|
|
|
|
def convert(content)
|
|
Kramdown::Document.new(content, @config).to_html
|
|
end
|
|
|
|
private
|
|
def make_accessible(hash = @config)
|
|
proc_ = proc { |hash_, key| hash_[key.to_s] if key.is_a?(Symbol) }
|
|
hash.default_proc = proc_
|
|
|
|
hash.each do |_, val|
|
|
make_accessible val if val.is_a?(
|
|
Hash
|
|
)
|
|
end
|
|
end
|
|
|
|
# config[kramdown][syntax_higlighter] >
|
|
# config[kramdown][enable_coderay] >
|
|
# config[highlighter]
|
|
# Where `enable_coderay` is now deprecated because Kramdown
|
|
# supports Rouge now too.
|
|
|
|
private
|
|
def highlighter
|
|
return @highlighter if @highlighter
|
|
|
|
if @config["syntax_highlighter"]
|
|
return @highlighter = @config[
|
|
"syntax_highlighter"
|
|
]
|
|
end
|
|
|
|
@highlighter = begin
|
|
if @config.key?("enable_coderay") && @config["enable_coderay"]
|
|
Jekyll::Deprecator.deprecation_message(
|
|
"You are using 'enable_coderay', " \
|
|
"use syntax_highlighter: coderay in your configuration file."
|
|
)
|
|
|
|
"coderay"
|
|
else
|
|
@main_fallback_highlighter
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
def strip_coderay_prefix(hash)
|
|
hash.each_with_object({}) do |(key, val), hsh|
|
|
cleaned_key = key.gsub(/\Acoderay_/, "")
|
|
|
|
if key != cleaned_key
|
|
Jekyll::Deprecator.deprecation_message(
|
|
"You are using '#{key}'. Normalizing to #{cleaned_key}."
|
|
)
|
|
end
|
|
|
|
hsh[cleaned_key] = val
|
|
end
|
|
end
|
|
|
|
# If our highlighter is CodeRay we go in to merge the CodeRay defaults
|
|
# with your "coderay" key if it's there, deprecating it in the
|
|
# process of you using it.
|
|
|
|
private
|
|
def modernize_coderay_config
|
|
if highlighter == "coderay"
|
|
Jekyll::Deprecator.deprecation_message(
|
|
"You are using 'kramdown.coderay' in your configuration, " \
|
|
"please use 'syntax_highlighter_opts' instead."
|
|
)
|
|
|
|
@config["syntax_highlighter_opts"] = begin
|
|
strip_coderay_prefix(
|
|
@config["syntax_highlighter_opts"] \
|
|
.merge(CODERAY_DEFAULTS) \
|
|
.merge(@config["coderay"])
|
|
)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|