Sha256: b402cf499a2aaac53a35bf0a6ea4a6f94ef3c2c45000850ee87b42c62d5f1c18
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Size: 1.72 KB
Versions: 26
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Contents
#!/usr/bin/env ruby
require 'html/pipeline'
require 'optparse'
# Accept "help", too
ARGV.map!{|a| a == "help" ? "--help" : a }
OptionParser.new do |opts|
opts.banner = <<-HELP.gsub(/^ /, '')
Usage: html-pipeline [-h] [-f]
html-pipeline [FILTER [FILTER [...]]] < file.md
cat file.md | html-pipeline [FILTER [FILTER [...]]]
HELP
opts.separator "Options:"
opts.on("-f", "--filters", "List the available filters") do
filters = HTML::Pipeline.constants.grep(/\w+Filter$/).
map{|f| f.to_s.gsub(/Filter$/,'') }
# Text filter doesn't work, no call method
filters -= ["Text"]
abort <<-HELP.gsub(/^ /, '')
Available filters:
#{filters.join("\n ")}
HELP
end
end.parse!
# Default to a GitHub-ish pipeline
if ARGV.empty?
filters = [
HTML::Pipeline::MarkdownFilter,
HTML::Pipeline::SanitizationFilter,
HTML::Pipeline::ImageMaxWidthFilter,
HTML::Pipeline::EmojiFilter,
HTML::Pipeline::AutolinkFilter,
HTML::Pipeline::TableOfContentsFilter,
]
# Add syntax highlighting if linguist is present
begin
require 'linguist'
filters << HTML::Pipeline::SyntaxHighlightFilter
rescue LoadError
end
else
def filter_named(name)
case name
when "Text"
raise NameError # Text filter doesn't work, no call method
end
HTML::Pipeline.const_get("#{name}Filter")
rescue NameError => e
abort "Unknown filter '#{name}'. List filters with the -f option."
end
filters = []
until ARGV.empty?
name = ARGV.shift
filters << filter_named(name)
end
end
context = {
:asset_root => "/assets",
:base_url => "/",
:gfm => true
}
puts HTML::Pipeline.new(filters, context).call(ARGF.read)[:output]
Version data entries
26 entries across 26 versions & 1 rubygems