Merge pull request #39 from MichaelHoste/master

Add Ruby Exporter

Author: mlocati

README.md

@@ -47,13 +47,23 @@ To use the languages data generated from this tool you can use the `bin/export-p
 
 - `php`: build a php file that can be included
   ```bash
-  export-plural-rules php > yourfile.php
+  export-plural-rules --output=yourfile.php php
   ```
   Then you can use that generated file in your php scripts:
   ```php
   $languages = include 'yourfile.php';
   ```
 
+- `ruby`: build a ruby file that can be included
+  ```bash
+  export-plural-rules --output=yourfile.rb ruby
+  ```
+  Then you can use that generated file in your ruby scripts:
+  ```ruby
+  require './yourfile.rb'
+  PLURAL_RULES['en']
+  ```
+
 - `xml`: generate an XML document ([here you can find the xsd XML schema](https://php-gettext.github.io/Languages/GettextLanguages.xsd))
   ```bash
   export-plural-rules xml

src/Exporter/Ruby.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Gettext\Languages\Exporter;
+
+class Ruby extends Exporter
+{
+    /**
+     * {@inheritdoc}
+     *
+     * @see \Gettext\Languages\Exporter\Exporter::getDescription()
+     */
+    public static function getDescription()
+    {
+        return 'Build a Ruby hash';
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see \Gettext\Languages\Exporter\Exporter::toStringDo()
+     */
+    protected static function toStringDo($languages)
+    {
+        $lines = array();
+        $lines[] = 'PLURAL_RULES = {';
+        foreach ($languages as $lc) {
+            $lines[] = '  \'' . $lc->id . '\' => {';
+            $lines[] = '    \'name\' => \'' . addslashes($lc->name) . '\',';
+            if (isset($lc->supersededBy)) {
+                $lines[] = '    \'supersededBy\' => \'' . $lc->supersededBy . '\',';
+            }
+            if (isset($lc->script)) {
+                $lines[] = '    \'script\' => \'' . addslashes($lc->script) . '\',';
+            }
+            if (isset($lc->territory)) {
+                $lines[] = '    \'territory\' => \'' . addslashes($lc->territory) . '\',';
+            }
+            if (isset($lc->baseLanguage)) {
+                $lines[] = '    \'baseLanguage\' => \'' . addslashes($lc->baseLanguage) . '\',';
+            }
+            $lines[] = '    \'formula\' => \'' . $lc->formula . '\',';
+            $lines[] = '    \'plurals\' => ' . count($lc->categories) . ',';
+            $catNames = array();
+            foreach ($lc->categories as $c) {
+                $catNames[] = "'{$c->id}'";
+            }
+            $lines[] = '    \'cases\' => [' . implode(', ', $catNames) . '],';
+            $lines[] = '    \'examples\' => {';
+            foreach ($lc->categories as $c) {
+                $lines[] = '      \'' . $c->id . '\' => \'' . $c->examples . '\',';
+            }
+            $lines[] = '    },';
+            $lines[] = '  },';
+        }
+        $lines[] = '}';
+        $lines[] = '';
+
+        return implode("\n", $lines);
+    }
+}