From cc281d91def921b7bbf5d3d4a0fce53afc5a317b Mon Sep 17 00:00:00 2001
From: Andreas Stöckel <astoecke@techfak.uni-bielefeld.de>
Date: Sun, 15 Feb 2015 00:07:58 +0100
Subject: Renamed parser/generic to parser/stack and made filenames much
 shorter

---
 src/core/parser/stack/Callbacks.hpp | 99 +++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 src/core/parser/stack/Callbacks.hpp

(limited to 'src/core/parser/stack/Callbacks.hpp')

diff --git a/src/core/parser/stack/Callbacks.hpp b/src/core/parser/stack/Callbacks.hpp
new file mode 100644
index 0000000..bb56e44
--- /dev/null
+++ b/src/core/parser/stack/Callbacks.hpp
@@ -0,0 +1,99 @@
+/*
+    Ousía
+    Copyright (C) 2014, 2015  Benjamin Paaßen, Andreas Stöckel
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file Callbacks.hpp
+ *
+ * Contains an interface defining the callbacks that can be directed from a
+ * StateHandler to the StateStack, and from the StateStack to
+ * the actual parser.
+ *
+ * @author Andreas Stöckel (astoecke@techfak.uni-bielefeld.de)
+ */
+
+#ifndef _OUSIA_PARSER_STATE_CALLBACKS_HPP_
+#define _OUSIA_PARSER_STATE_CALLBACKS_HPP_
+
+#include <string>
+
+#include <core/common/Whitespace.hpp>
+
+namespace ousia {
+namespace parser_stack {
+
+/**
+ * Interface defining a set of callback functions that act as a basis for the
+ * StateStackCallbacks and the ParserCallbacks.
+ */
+class Callbacks {
+public:
+	/**
+	 * Virtual descructor.
+	 */
+	virtual ~Callbacks() {};
+
+	/**
+	 * Sets the whitespace mode that specifies how string data should be
+	 * processed.
+	 *
+	 * @param whitespaceMode specifies one of the three WhitespaceMode constants
+	 * PRESERVE, TRIM or COLLAPSE.
+	 */
+	virtual void setWhitespaceMode(WhitespaceMode whitespaceMode) = 0;
+
+	/**
+	 * Registers the given token as token that should be reported to the handler
+	 * using the "token" function.
+	 *
+	 * @param token is the token string that should be reported.
+	 */
+	virtual void registerToken(const std::string &token) = 0;
+
+	/**
+	 * Unregisters the given token, it will no longer be reported to the handler
+	 * using the "token" function.
+	 *
+	 * @param token is the token string that should be unregistered.
+	 */
+	virtual void unregisterToken(const std::string &token) = 0;
+};
+
+/**
+ * Interface defining the callback functions that can be passed from a
+ * StateStack to the underlying parser.
+ */
+class ParserCallbacks : public Callbacks {
+	/**
+	 * Checks whether the given token is supported by the parser. The parser
+	 * returns true, if the token is supported, false if this token cannot be
+	 * registered. Note that parsers that do not support the registration of
+	 * tokens at all should always return "true".
+	 *
+	 * @param token is the token that should be checked for support.
+	 * @return true if the token is generally supported (or the parser does not
+	 * support registering tokens at all), false if the token is not supported,
+	 * because e.g. it is a reserved token or it interferes with other tokens.
+	 */
+	virtual bool supportsToken(const std::string &token) = 0;
+};
+
+}
+}
+
+#endif /* _OUSIA_PARSER_STATE_CALLBACKS_HPP_ */
+
-- 
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