133 lines
4.4 KiB
Ruby
Executable File
133 lines
4.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# -*- coding: utf-8 -*-
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#
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#--
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# Copyright (C) 2009-2019 Thomas Leitner <t_leitner@gmx.at>
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#
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# This file is part of kramdown which is licensed under the MIT.
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#++
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#
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require 'optparse'
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require 'rbconfig'
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require 'yaml'
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require 'kramdown'
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def add_kramdown_options(opts, parsed_options, banner: [], ignore: [])
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banner_shown = false
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defined_options = []
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Kramdown::Options.definitions.sort.each do |n, definition|
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next if ignore.include?(n)
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unless banner_shown
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opts.separator("")
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banner.each {|part| opts.separator(part) }
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opts.separator("")
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banner_shown = true
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end
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defined_options << n
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no = n.to_s.tr('_', '-')
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if definition.type == Kramdown::Options::Boolean
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opts.on("--[no-]#{no}") {|v| parsed_options[n] = Kramdown::Options.parse(n, v) }
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else
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type = definition.type
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type = String if type == Symbol || type == Object
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opts.on("--#{no} ARG", type) {|v| parsed_options[n] = Kramdown::Options.parse(n, v) }
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end
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definition.desc.split(/\n/).each do |line|
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opts.separator opts.summary_indent + ' ' * 6 + line
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end
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opts.separator ''
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end
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defined_options
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end
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config_file = nil
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begin
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config_dir = case RbConfig::CONFIG['host_os']
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when /bccwin|cygwin|djgpp|mingw|mswin|wince/i
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File.expand_path((ENV['HOME'] || ENV['USERPROFILE'] || "~") + "/AppData/Local")
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when /darwin|mac os/
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File.expand_path("~/Library/Preferences/")
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else
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File.expand_path(ENV['XDG_CONFIG_HOME'] || '~/.config')
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end
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config_file = File.join(config_dir, "kramdownrc")
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rescue StandardError
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end
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options = {}
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format = ['html']
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defined_options = []
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OptionParser.new do |opts|
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opts.banner = "Usage: kramdown [options] [FILE FILE ...]"
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opts.summary_indent = ' ' * 4
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opts.separator ""
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opts.separator "Command line options:"
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opts.separator ""
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opts.on("-i", "--input ARG", "Specify the input format: kramdown (default), " \
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"html, or markdown") {|v| options[:input] = v }
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opts.on("-o", "--output ARG", Array, "Specify one or more output formats separated by commas: " \
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"html (default),", "kramdown, latex, man or remove_html_tags") {|v| format = v }
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opts.on("-x", "--extension EXT", Array, "Load one or more extensions (without the 'kramdown-' " \
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"prefix) separated", "by commas (e.g. parser-gfm,syntax-coderay)",
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"Note: Use this option before other options!") do |exts|
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exts.each do |ext|
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begin
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require "kramdown-#{ext}"
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new_options = add_kramdown_options(opts, options, banner: ["#{ext} options:"],
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ignore: defined_options)
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defined_options.concat(new_options)
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rescue LoadError
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$stderr.puts "Couldn't load extension #{ext}, ignoring"
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end
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end
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end
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opts.separator ""
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opts.on("--no-config-file", "Do not read any configuration file. Default behavior is to check " \
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"for a", "configuration file and read it if it exists.") { config_file = nil }
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opts.on("--config-file FILE", "Specify the name of a configuration file with kramdown options " \
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"in YAML", "format, e.g. \"auto_id_prefix: ARG\" instead of \"--auto-id-prefix ARG\"",
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"and \"auto_ids: false\" instead of \"--no-auto-ids\".",
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"Default: #{config_file}") {|v| config_file = v }
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opts.separator ""
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opts.on("-v", "--version", "Show the version of kramdown") do
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puts Kramdown::VERSION
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exit
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end
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opts.on("-h", "--help", "Show the help") do
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puts opts.summarize('', 5, 72)
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exit
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end
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new_options = add_kramdown_options(opts, options, banner: ["kramdown options:"])
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defined_options.concat(new_options)
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end.parse!
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begin
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if config_file && File.exist?(config_file)
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config_file_options = YAML.safe_load(File.read(config_file), [Symbol])
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case config_file_options
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when nil # empty configuration file except perhaps YAML header and comments
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# Nothing to do
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when Hash
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options = config_file_options.merge(options)
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else
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raise Kramdown::Error, "No YAML map in configuration file \"#{config_file}\""
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end
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end
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doc = Kramdown::Document.new(ARGF.read, options)
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result = ''
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format.each {|f| result = doc.send("to_#{f}") }
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puts result
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doc.warnings.each {|warn| $stderr.puts "Warning: #{warn}" }
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rescue Kramdown::Error => e
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$stderr.puts "Error: #{e.message}"
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exit(1)
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end
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