From d710bf02517225662e80eeeaf93149cfe50c872d Mon Sep 17 00:00:00 2001
From: Andreas Stöckel <astoecke@techfak.uni-bielefeld.de>
Date: Sun, 8 Feb 2015 21:13:12 +0100
Subject: Added "expect" function to CharReader

---
 src/core/common/CharReader.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/core/common/CharReader.cpp')

diff --git a/src/core/common/CharReader.cpp b/src/core/common/CharReader.cpp
index 5b9b1d4..4d3638c 100644
--- a/src/core/common/CharReader.cpp
+++ b/src/core/common/CharReader.cpp
@@ -468,6 +468,18 @@ bool CharReader::read(char &c)
 	return res;
 }
 
+bool CharReader::expect(char c)
+{
+	char actual = 0;
+	peek(actual);
+	if (c == actual) {
+		consumePeek();
+		return true;
+	}
+	resetPeek();
+	return false;
+}
+
 void CharReader::resetPeek()
 {
 	if (!coherent) {
-- 
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