From 12b0b74d43b7d93eee82ae6fa3dced499cd8a1f6 Mon Sep 17 00:00:00 2001
From: KT <tran0563@umn.edu>
Date: Tue, 19 Oct 2021 14:03:28 -0500
Subject: Publish a4

---
 dev/a4-dance/simple_parser.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 dev/a4-dance/simple_parser.h

(limited to 'dev/a4-dance/simple_parser.h')

diff --git a/dev/a4-dance/simple_parser.h b/dev/a4-dance/simple_parser.h
new file mode 100644
index 0000000..b077b43
--- /dev/null
+++ b/dev/a4-dance/simple_parser.h
@@ -0,0 +1,42 @@
+#ifndef SIMPLE_PARSER_H_
+#define SIMPLE_PARSER_H_
+
+#include <fstream>
+#include <string>
+
+/** Helper class for parsing text input. */
+class SimpleParser {
+public:
+    SimpleParser(std::istream *i);
+
+    bool Expect(std::string s);
+
+    bool Peek(std::string s);
+
+    void SwallowWhitespace();
+
+    void SwallowLine();
+
+    bool ReadFloat(float &f);
+
+    bool ReadInt(int &i);
+
+    bool ReadToken(std::string &s);
+
+    bool Good();
+
+    bool ReadLine(std::string &line);
+
+    bool UpcomingInt();
+
+protected:
+    bool FloatChar(char c);
+
+    bool IntChar(char c);
+
+    bool TokenChar(char c);
+
+    std::istream *in_;
+};
+
+#endif
-- 
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