1 files changed, 41 insertions, 0 deletions
diff --git a/src/main/java/net/sf/antcontrib/cpptasks/parser/AbstractParserState.java b/src/main/java/net/sf/antcontrib/cpptasks/parser/AbstractParserState.java
new file mode 100644
index 0000000..b3e3307
--- /dev/null
+++ b/src/main/java/net/sf/antcontrib/cpptasks/parser/AbstractParserState.java
@@ -0,0 +1,41 @@
+/*
+ * 
+ * Copyright 2002-2004 The Ant-Contrib project
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package net.sf.antcontrib.cpptasks.parser;
+/**
+ * An base class for objects that represent the state of an AbstractParser.
+ * 
+ * @author CurtArnold
+ * @see AbstractParser
+ */
+public abstract class AbstractParserState {
+    private AbstractParser parser;
+    protected AbstractParserState(AbstractParser parser) {
+        if (parser == null) {
+            throw new NullPointerException("parser");
+        }
+        this.parser = parser;
+    }
+    /**
+     * Consume a character
+     * 
+     * @return new state, may be null to ignore the rest of the line
+     */
+    public abstract AbstractParserState consume(char ch);
+    protected AbstractParser getParser() {
+        return parser;
+    }
+}