From 2820eda6a01bd4c095abfa8136d42c186929c954 Mon Sep 17 00:00:00 2001
From: Eyre_S <Sukazyo@outlook.com>
Date: Mon, 31 May 2021 17:17:03 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81=E4=BA=86=E4=BB=8E=E5=A4=96?=
 =?UTF-8?q?=E6=9D=A5=E6=BA=90=E5=8A=A0=E8=BD=BD=20markdown=20=E5=86=85?=
 =?UTF-8?q?=E5=AE=B9=E5=92=8C=20md=20extra=20=E7=89=B9=E6=80=A7=EF=BC=8C?=
 =?UTF-8?q?=E7=89=88=E6=9C=AC=E5=8F=B7=E6=9B=B4=E6=96=B0=E4=B8=BA=200.2-de?=
 =?UTF-8?q?v?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 将版本号修改为 0.2-dev
- 添加了 <ref source="xx"> 标签声明外源引用文本
  - 添加 marked.js 用于处理外源 markdown 资料
  - 添加了自定义的 `$(xx)` 用于在 md 中声明外源资料
  - 添加了配套的 ref.css 和 ref.js
  - 同时更新了 pjax 支持
- 将 Parsedown 更新为 ParsedownExtra
---
 assets/gitbook-fix.js         |  2 ++
 assets/ref.css                |  6 ++++++
 assets/ref.js                 | 15 +++++++++++++++
 constant.php                  |  2 +-
 index.php                     |  4 ++--
 src/Data/SiteMeta.php         |  3 +++
 src/Utils/ParsedownExtend.php | 32 ++++++++++++++++++++++++++++++++
 7 files changed, 61 insertions(+), 3 deletions(-)
 create mode 100644 assets/ref.css
 create mode 100644 assets/ref.js
 create mode 100644 src/Utils/ParsedownExtend.php

diff --git a/assets/gitbook-fix.js b/assets/gitbook-fix.js
index 41874cc..6f0bc45 100644
--- a/assets/gitbook-fix.js
+++ b/assets/gitbook-fix.js
@@ -163,6 +163,8 @@ function updatePage (bookId, pageId = "") {
 			// history
 			window.history.pushState(document.documentElement.innerHTML, document.title, url);
 			pageContainer.classList.remove("loading");
+			// post-process
+			updateRef();
 			
 		}
 	}
diff --git a/assets/ref.css b/assets/ref.css
new file mode 100644
index 0000000..9b6ac88
--- /dev/null
+++ b/assets/ref.css
@@ -0,0 +1,6 @@
+ref {
+	display: block;
+	border: 2px solid var(--color-graystyle);
+	padding: 1em 2em;
+	margin: 1.7em 0
+}
\ No newline at end of file
diff --git a/assets/ref.js b/assets/ref.js
new file mode 100644
index 0000000..1e063ca
--- /dev/null
+++ b/assets/ref.js
@@ -0,0 +1,15 @@
+function updateRef () {
+	for (let node of document.getElementsByTagName("ref")) {
+		node.innerHTML = "...";
+		const request = new XMLHttpRequest();
+		request.open("GET", node.getAttribute("source"), true);
+		request.onreadystatechange = function () {
+			if (request.readyState === 4 && request.status === 200) {
+				node.innerHTML = marked(request.responseText);
+			} else if (request.readyState === 4) {
+				node.innerHTML = "ERROR "+ request.status;
+			}
+		}
+		request.send();
+	}
+} updateRef();
diff --git a/constant.php b/constant.php
index c9c4e01..c9e96e8 100644
--- a/constant.php
+++ b/constant.php
@@ -2,7 +2,7 @@
 
 const APP_NAME = "ph-Bookshelf";
 
-const VERSION = "0.1-dev";
+const VERSION = "0.2-dev";
 const CHANNEL = "workshop-origin";
 const BRANCH = "master";
 
diff --git a/index.php b/index.php
index 28286a5..72b258b 100644
--- a/index.php
+++ b/index.php
@@ -3,12 +3,12 @@
 
 require_once "./src/Data/SiteMeta.php";
 require_once "./src/Data/PageMeta.php";
-require_once "./lib/Parsedown/Parsedown.php";
+require_once "./src/Utils/ParsedownExtend.php";
 require_once "./src/Utils/PageParse.php";
 require_once "./src/Utils/RequestNotExistException.php";
 require_once "./constant.php";
 
-$parser = new Parsedown();
+$parser = new ParsedownExtend();
 
 $parser->setMarkupEscaped(false);
 $parser->setSafeMode(false);
diff --git a/src/Data/SiteMeta.php b/src/Data/SiteMeta.php
index 65a1fe3..6f27882 100644
--- a/src/Data/SiteMeta.php
+++ b/src/Data/SiteMeta.php
@@ -31,6 +31,7 @@ class SiteMeta {
 			"/assets/gitbook/style.css",
 			"/assets/gitbook/gitbook-plugin-fontsettings/website.css",
 			"/assets/gitbook-fix.css",
+			"/assets/ref.css",
 		);
 	}
 	
@@ -38,6 +39,8 @@ class SiteMeta {
 		return array(
 			"/assets/gitbook/gitbook.js",
 			"/assets/gitbook-fix.js",
+			"https://cdn.jsdelivr.net/npm/marked/marked.min.js",
+			"/assets/ref.js",
 		);
 	}
 	
diff --git a/src/Utils/ParsedownExtend.php b/src/Utils/ParsedownExtend.php
new file mode 100644
index 0000000..56df302
--- /dev/null
+++ b/src/Utils/ParsedownExtend.php
@@ -0,0 +1,32 @@
+<?php
+
+require_once "./lib/Parsedown/Parsedown.php";
+require_once "./lib/Parsedown/ParsedownExtra.php";
+
+class ParsedownExtend extends ParsedownExtra {
+	
+	function __construct() {
+		
+		$this->InlineTypes['$'][] = 'RefMarkdown';
+		
+		$this->inlineMarkerList .= '$';
+		
+	}
+	
+	protected function inlineRefMarkdown ($excerpt) {
+		if (preg_match('/^\$\(([\S ]*?)\)/', $excerpt['text'], $matches)) {
+			return array(
+				'extent' => strlen($matches[0]),
+				'element' => array(
+					'name' => 'ref',
+					'text' => '',
+					'attributes' => array(
+						'source' => $matches[1],
+					),
+				),
+			
+			);
+		}
+	}
+	
+}