补充Page和Segment标签get方法，修改根标签为"%root"，添加 ph-Bookshelf 元数据声明文件

constant.php

@@ -0,0 +1,9 @@
+<?php
+
+define("APP_NAME", "ph-Bookshelf");
+define("VERSION", "0.1");
+define("GITBOOK_VERSION", "3.2.3");
+
+function get_frontpage_generate_version (): string {
+	return APP_NAME." ".VERSION." with Gitbook ".GITBOOK_VERSION;
+}

src/Element/BookCollection.php

@@ -4,7 +4,7 @@ require_once "./src/Element/Book.php";
 
 class BookCollection {
 	
-	const ROOT = "::root";
+	const ROOT = "%root";
 	
 	private string $name;
 	

src/Element/BookContent/Page.php

@@ -48,4 +48,19 @@ class Page {
 		return $node;
 	}
 	
+	public function getId (): string {
+		return $this->id;
+	}
+	
+	public function getName (): string {
+		return $this->name;
+	}
+	
+	/**
+	 * @return Segment[]
+	 */
+	public function getSegments (): array {
+		return $this->segues;
+	}
+	
 }

src/Element/BookContent/Segment.php

@@ -32,4 +32,12 @@ class Segment {
 		return new Segment($id, $name);
 	}
 	
+	public function getId (): string {
+		return $this->id;
+	}
+	
+	public function getName (): string {
+		return $this->name;
+	}
+	
 }

src/Element/LinkCollection.php

@@ -4,7 +4,7 @@ require_once "./src/Element/Link.php";
 
 class LinkCollection {
 	
-	const ROOT = "::root";
+	const ROOT = "%root";
 	
 	private string $name;