Merge pull request #13 from BafS/dev

Ready for version 0.6.0

Author: BafS

.gitignore

@@ -28,9 +28,14 @@ Thumbs.db
 *.paw
 *.phar
 *.exe
+doc/
 
 # Jekyll
 _site
 .sass-cache
 .jekyll-metadata
+/api/*
+
+# Npm
+node_modules/
 

Parvula/Core/Container.php

@@ -56,6 +56,7 @@ public function isDir($dirname) {
 	 * @param callable ($fn) Apply function to file data (\SplFileInfo $file, string $data)
 	 * @param boolean ($eval) Evaluate PHP
 	 * @throws IOException If the file does not exists
+	 * @throws IOException If the file is empty
 	 * @return mixed File data
 	 */
 	public function read($filename, callable $fn = null, $eval = false) {
@@ -72,6 +73,9 @@ public function read($filename, callable $fn = null, $eval = false) {
 				$data = ob_get_clean();
 			} else {
 				$file = $fileInfo->openFile('r');
+				if ($file->getSize() === 0) {
+					throw new IOException("File `{$filename}` is empty");
+				}
 				$data = $file->fread($file->getSize());
 			}
 		}
@@ -204,6 +208,16 @@ public function index($dir = '', callable $fn = null, $filter = null) {
 		return $this->indexAll($dir, $fn, $filter);
 	}
 
+	/**
+	 * Get file modification time
+	 *
+	 * @param string $filename
+	 * @return int Timestamp
+	 */
+	public function modificationTime($filename = '') {
+		return filemtime($this->workingDirectory . $filename);
+	}
+
 	/**
 	 * Get working directory
 	 *

Parvula/Core/FilesSystem.php

@@ -109,6 +109,28 @@ public function visibility($visible) {
 		});
 	}
 
+	/**
+	 * Show pages without a parent (the 'root' pages)
+	 *
+	 * @return Pages
+	 */
+	public function withoutParent() {
+		return $this->filter(function (Page $page) {
+			return (bool) !$page->get('parent');
+		});
+	}
+
+	/**
+	 * Show pages with a parent (the children pages)
+	 *
+	 * @return Pages
+	 */
+	public function withParent() {
+		return $this->filter(function (Page $page) {
+			return (bool) $page->get('parent');
+		});
+	}
+
 	/**
 	 * Filter pages
 	 *