= Asciidoctor HTMLBook

Asciidoctor HTMLBook is an link:http://asciidoctor.org/[Asciidoctor] backend for converting AsciiDoc documents to link:http://oreillymedia.github.io/HTMLBook/[HTMLBook] documents.

== Installation

Add this line to your application's Gemfile:

[source, ruby]
----
gem 'asciidoctor-htmlbook'
----

And then execute:

[source, console]
----
$ bundle
----

Or install it yourself as:

[source, console]
----
$ gem install asciidoctor-htmlbook
----

== Usage

=== CLI

[source, console]
----
$ asciidoctor-htmlbook basic-example.adoc
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or

[source, console]
----
$ asciidoctor -r asciidoctor-htmlbook basic-example.adoc
----

For more options:

[source, console]
----
$ asciidoctor-htmlbook -h
----

=== API

To use Asciidoctor in your application, you first need to require the gem:

[source, ruby]
----
require 'asciidoctor/htmlbook'
----

==== Load and Convert a File Using the API

Load from file:

[source, ruby]
----
doc = Asciidoctor.load_file 'mysample.adoc', backend: 'htmlbook'
puts doc.convert
----

Convert file:

[source, ruby]
----
Asciidoctor.convert_file 'mysample.adoc', backend: 'htmlbook'
----

==== Load and Convert Strings Using the API

Load from string:

[source, ruby]
----
doc = Asciidoctor.load '*This* is Asciidoctor.', backend: 'htmlbook'
puts doc.convert
----

Render string:

[source, ruby]
----
Asciidoctor.convert '*This* is Asciidoctor.', backend: 'htmlbook'
----

When rendering a string, the header and footer are excluded by default to make Asciidoctor consistent with other lightweight markup engines like Markdown. If you want the header and footer, just enable it using the `:header_footer` option:

[source, ruby]
----
Asciidoctor.convert '*This* is Asciidoctor.', backend: 'htmlbook', header_footer: true
----

== Provide Custom Templates

You can overwrite default templates by adding `:template_dir` option:

[source, ruby]
----
Asciidoctor.convert '*This* is Asciidoctor.', backend: 'htmlbook', template_dir: 'path/to/templates'
----

[NOTE]
--
asciidoctor-htmlbook template do not compatible with asciidoctor built-in template backend.

View link:./templates[] for more info.
--

== Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run `bin/rake` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.

== Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/chloerei/asciidoctor-htmlbook. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the link:http://contributor-covenant.org[Contributor Covenant] code of conduct.

== License

The gem is available as open source under the terms of the link:http://opensource.org/licenses/MIT[MIT License].