<!DOCTYPE html>
<html> <head> <meta charset=“UTF-8”>
<title>class ReVIEW::YAMLLoader - review-2.0.0 Documentation</title>
<script type=“text/javascript”>
var rdoc_rel_prefix = "../";
</script>
<script src=“../js/jquery.js”></script> <script src=“../js/darkfish.js”></script>
<link href=“../css/fonts.css” rel=“stylesheet”> <link href=“../css/rdoc.css” rel=“stylesheet”>
<body id=“top” role=“document” class=“class”> <nav role=“navigation”>
<div id="project-navigation"> <div id="home-section" role="region" title="Quick navigation" class="nav-section"> <h2> <a href="../index.html" rel="home">Home</a> </h2> <div id="table-of-contents-navigation"> <a href="../table_of_contents.html#pages">Pages</a> <a href="../table_of_contents.html#classes">Classes</a> <a href="../table_of_contents.html#methods">Methods</a> </div>
</div>
<div id="search-section" role="search" class="project-section initially-hidden">
<form action="#" method="get" accept-charset="utf-8">
<div id="search-field-wrapper">
<input id="search-field" role="combobox" aria-label="Search"
aria-autocomplete="list" aria-controls="search-results"
type="text" name="search" placeholder="Search" spellcheck="false"
title="Type to search, Up and Down to navigate, Enter to load">
</div>
<ul id="search-results" aria-label="Search Results"
aria-busy="false" aria-expanded="false"
aria-atomic="false" class="initially-hidden"></ul>
</form>
</div>
</div> <div id="class-metadata"> <div id="parent-class-section" class="nav-section"> <h3>Parent</h3> <p class="link"><a href="../Object.html">Object</a>
</div>
<!-- Method Quickref -->
<div id=“method-list-section” class=“nav-section”>
<h3>Methods</h3> <ul class="link-list" role="directory"> <li ><a href="#method-c-new">::new</a> <li ><a href="#method-i-load_file">#load_file</a> </ul>
</div>
</div>
</nav>
<main role=“main” aria-labelledby=“class-ReVIEW::YAMLLoader”>
<h1 id="class-ReVIEW::YAMLLoader" class="class">
class ReVIEW::YAMLLoader
</h1>
<section class="description">
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/review/yamlloader.rb, line 5</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>initialize</span> <span class=“ruby-keyword”>end</span></pre>
</div>
</div>
</div>
</section>
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
</header>
<div id="method-i-load_file" class="method-detail ">
<div class="method-heading">
<span class="method-name">load_file</span><span
class="method-args">(yamlfile)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>load YAML files</p>
<p>`inherit: [3.yml, 6.yml]` in 7.yml; `inherit: [1.yml, 2.yml]` in 3.yml; `inherit: [4.yml, 5.yml]` in 6.yml</p>
<pre>=> 7.yml > 6.yml > 5.yml > 4.yml > 3.yml > 2.yml > 1.yml</pre>
<div class="method-source-code" id="load_file-source"> <pre><span class="ruby-comment"># File lib/review/yamlloader.rb, line 13</span>
<span class=“ruby-keyword”>def</span> <span class=“ruby-identifier”>load_file</span>(<span class=“ruby-identifier”>yamlfile</span>)
<span class="ruby-identifier">file_queue</span> = [<span class="ruby-constant">File</span>.<span class="ruby-identifier">expand_path</span>(<span class="ruby-identifier">yamlfile</span>)]
<span class="ruby-identifier">loaded_files</span> = {}
<span class="ruby-identifier">yaml</span> = {}
<span class="ruby-identifier">loop</span> <span class="ruby-keyword">do</span>
<span class="ruby-comment"># Check exit condition</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">file_queue</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword">return</span> <span class="ruby-identifier">yaml</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">current_file</span> = <span class="ruby-identifier">file_queue</span>.<span class="ruby-identifier">shift</span>
<span class="ruby-identifier">current_yaml</span> = <span class="ruby-constant">YAML</span>.<span class="ruby-identifier">load_file</span>(<span class="ruby-identifier">current_file</span>)
<span class="ruby-identifier">yaml</span> = <span class="ruby-identifier">current_yaml</span>.<span class="ruby-identifier">deep_merge</span>(<span class="ruby-identifier">yaml</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">yaml</span>.<span class="ruby-identifier">key?</span>(<span class="ruby-string">'inherit'</span>)
<span class="ruby-identifier">buf</span> = []
<span class="ruby-identifier">yaml</span>[<span class="ruby-string">'inherit'</span>].<span class="ruby-identifier">reverse_each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">item</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">inherit_file</span> = <span class="ruby-constant">File</span>.<span class="ruby-identifier">expand_path</span>(<span class="ruby-identifier">item</span>, <span class="ruby-constant">File</span>.<span class="ruby-identifier">dirname</span>(<span class="ruby-identifier">yamlfile</span>))
<span class="ruby-comment"># Check loop</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">loaded_files</span>[<span class="ruby-identifier">inherit_file</span>]
<span class="ruby-identifier">raise</span> <span class="ruby-node">"Found circular YAML inheritance '#{inherit_file}' in #{yamlfile}."</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">loaded_files</span>[<span class="ruby-identifier">inherit_file</span>] = <span class="ruby-keyword">true</span>
<span class="ruby-identifier">buf</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">inherit_file</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">yaml</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-string">'inherit'</span>)
<span class="ruby-identifier">file_queue</span> = <span class="ruby-identifier">buf</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">file_queue</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class=“ruby-keyword”>end</span></pre>
</div>
</div>
</div>
</section>
</section>
</main>
<footer id=“validator-badges” role=“contentinfo”>
<p><a href="http://validator.w3.org/check/referer">Validate</a> <p>Generated by <a href="http://docs.seattlerb.org/rdoc/">RDoc</a> 4.2.1. <p>Based on <a href="http://deveiate.org/projects/Darkfish-RDoc/">Darkfish</a> by <a href="http://deveiate.org">Michael Granger</a>.
</footer>