1 files changed, 219 insertions, 0 deletions
diff --git a/admin/survey/minify/lib/Minify/Source.php b/admin/survey/minify/lib/Minify/Source.php
new file mode 100644
index 0000000..d94bf58
--- /dev/null
+++ b/admin/survey/minify/lib/Minify/Source.php
@@ -0,0 +1,219 @@
+<?php
+/**
+ * Class Minify_Source
+ * @package Minify
+ */
+
+/**
+ * A content source to be minified by Minify.
+ *
+ * This allows per-source minification options and the mixing of files with
+ * content from other sources.
+ *
+ * @package Minify
+ * @author Stephen Clay <steve@mrclay.org>
+ */
+class Minify_Source implements Minify_SourceInterface
+{
+
+    /**
+     * @var int time of last modification
+     */
+    protected $lastModified;
+
+    /**
+     * @var callback minifier function specifically for this source.
+     */
+    protected $minifier;
+
+    /**
+     * @var array minification options specific to this source.
+     */
+    protected $minifyOptions = array();
+
+    /**
+     * @var string full path of file
+     */
+    protected $filepath;
+
+    /**
+     * @var string HTTP Content Type (Minify requires one of the constants Minify::TYPE_*)
+     */
+    protected $contentType;
+
+    /**
+     * @var string
+     */
+    protected $content;
+
+    /**
+     * @var callable
+     */
+    protected $getContentFunc;
+
+    /**
+     * @var string
+     */
+    protected $id;
+
+    /**
+     * Create a Minify_Source
+     *
+     * In the $spec array(), you can either provide a 'filepath' to an existing
+     * file (existence will not be checked!) or give 'id' (unique string for
+     * the content), 'content' (the string content) and 'lastModified'
+     * (unixtime of last update).
+     *
+     * @param array $spec options
+     */
+    public function __construct($spec)
+    {
+        if (isset($spec['filepath'])) {
+            $ext = pathinfo($spec['filepath'], PATHINFO_EXTENSION);
+            switch ($ext) {
+                case 'js': $this->contentType = Minify::TYPE_JS;
+                    break;
+                case 'less': // fallthrough
+                case 'scss': // fallthrough
+                case 'css': $this->contentType = Minify::TYPE_CSS;
+                    break;
+                case 'htm': // fallthrough
+                case 'html': $this->contentType = Minify::TYPE_HTML;
+                    break;
+            }
+            $this->filepath = $spec['filepath'];
+            $this->id = $spec['filepath'];
+
+            // TODO ideally not touch disk in constructor
+            $this->lastModified = filemtime($spec['filepath']);
+
+            if (!empty($spec['uploaderHoursBehind'])) {
+                // offset for Windows uploaders with out of sync clocks
+                $this->lastModified += round($spec['uploaderHoursBehind'] * 3600);
+            }
+        } elseif (isset($spec['id'])) {
+            $this->id = 'id::' . $spec['id'];
+            if (isset($spec['content'])) {
+                $this->content = $spec['content'];
+            } else {
+                $this->getContentFunc = $spec['getContentFunc'];
+            }
+            $this->lastModified = isset($spec['lastModified']) ? $spec['lastModified'] : time();
+        }
+        if (isset($spec['contentType'])) {
+            $this->contentType = $spec['contentType'];
+        }
+        if (isset($spec['minifier'])) {
+            $this->setMinifier($spec['minifier']);
+        }
+        if (isset($spec['minifyOptions'])) {
+            $this->minifyOptions = $spec['minifyOptions'];
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getLastModified()
+    {
+        return $this->lastModified;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getMinifier()
+    {
+        return $this->minifier;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setMinifier($minifier = null)
+    {
+        if ($minifier === '') {
+            error_log(__METHOD__ . " cannot accept empty string. Use 'Minify::nullMinifier' or 'trim'.");
+            $minifier = 'Minify::nullMinifier';
+        }
+        if ($minifier !== null && !is_callable($minifier, true)) {
+            throw new InvalidArgumentException('minifier must be null or a valid callable');
+        }
+        $this->minifier = $minifier;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getMinifierOptions()
+    {
+        return $this->minifyOptions;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setMinifierOptions(array $options)
+    {
+        $this->minifyOptions = $options;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getContentType()
+    {
+        return $this->contentType;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getContent()
+    {
+        if (null === $this->filepath) {
+            if (null === $this->content) {
+                $content = call_user_func($this->getContentFunc, $this->id);
+            } else {
+                $content = $this->content;
+            }
+        } else {
+            $content = file_get_contents($this->filepath);
+        }
+
+        // remove UTF-8 BOM if present
+        if (strpos($content, "\xEF\xBB\xBF") === 0) {
+            return substr($content, 3);
+        }
+
+        return $content;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilePath()
+    {
+        return $this->filepath;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setupUriRewrites()
+    {
+        if ($this->filepath
+            && !isset($this->minifyOptions['currentDir'])
+            && !isset($this->minifyOptions['prependRelativePath'])) {
+            $this->minifyOptions['currentDir'] = dirname($this->filepath);
+        }
+    }
+}