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Contents
# frozen_string_literal: true
module Bridgetown
class Converter < Plugin
class << self
attr_accessor :extname_list
# Converters can provide one or more extensions they accept. Examples:
#
# * `input :erb`
# * `input %i(xls xlsx)`
def input(extnames)
extnames = Array(extnames)
self.extname_list ||= []
self.extname_list += extnames.map { |e| ".#{e.to_s.downcase}" }
end
end
# Initialize the converter.
#
# Returns an initialized Converter.
def initialize(config = {})
@config = config
end
# Logic to do the content conversion.
#
# @param content [String] content of file (without front matter).
# @param convertible [Bridgetown::Document, Bridgetown::Layout, Bridgetown::Resource::Base]
#
# @return [String] the converted content.
def convert(content, convertible = nil) # rubocop:disable Lint/UnusedMethodArgument
content
end
# Does the given extension match this converter's list of acceptable extensions?
#
# @param [String] ext
# The file's extension (including the dot)
#
# @return [Boolean] Whether the extension matches one in the list
def matches(ext)
(self.class.extname_list || []).include?(ext.downcase)
end
# You can override this in Converter subclasses as needed. Default is ".html"
#
# @param [String] ext
# The extension of the original file
#
# @return [String] The output file extension (including the dot)
def output_ext(_ext)
".html"
end
def line_start(convertible)
if convertible.is_a?(Bridgetown::Resource::Base) &&
convertible.model.origin.respond_to?(:front_matter_line_count)
convertible.model.origin.front_matter_line_count + 4
else
1
end
end
def inspect
"#<#{self.class}#{self.class.extname_list ? " #{self.class.extname_list.join(", ")}" : nil}>"
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems