基础内容

src/Reader/ReaderInterface.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * @filename ReaderInterface.php
+ * @author Jerry Yan <792602257@qq.com>
+ * @date 2020/12/17 14:58
+ */
+
+
+namespace JerryYan\DSL\Reader;
+
+
+/**
+ * 解析器需要使用到的读取类
+ * @package JerryYan\DSL\Reader
+ * @author Jerry Yan <792602257@qq.com>
+ * @date 2020/12/17 15:37
+ */
+abstract class ReaderInterface
+{
+    protected $currentLine = 0;
+    protected $currentPosition = 0;
+    protected $currentLinePosition = 0;
+    #abstract public function getNextChar(): ?string;
+    #abstract public function getCurrentToken(): ?string;
+    #abstract public function getNextToken(): ?string;
+    #abstract public function moveToNextToken(): ?string;
+
+    /**
+     * 跳过当前行
+     * @return bool
+     * @author Jerry Yan <792602257@qq.com>
+     * @date 2020/12/17 15:43
+     */
+    #abstract public function skipCurrentLine(): bool;
+
+    /**
+     * 从当前位置跳到结束位置
+     * @param string $end
+     * @return bool
+     * @author Jerry Yan <792602257@qq.com>
+     * @date 2020/12/17 15:43
+     */
+    #abstract public function skipUntil(string $end="*/"): bool;
+}