| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| require 'yaml' |
| |
| class YamlFrontMatter |
| def initialize |
| end |
| |
| def run(file_path) |
| content = IO.read(file_path) |
| yaml = {} |
| |
| # This will also strip out any leading whitespace |
| # Copied the RegEx from [Jekyll](http://github.com/mojombo/jekyll) |
| # |
| if content =~ /^(---\s*\n.*?\n?)^(---\s*$\n?)/m |
| content = content[($1.size + $2.size)..-1] |
| yaml = YAML.load($1) |
| |
| # Save the file |
| File.open(file_path, 'w+') do |file| |
| file.write content |
| end |
| end |
| |
| yaml |
| end |
| end |