generic parser interface

src/Parser.cc

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+#include "Parser.hh"
+
+const Parser::Item Parser::s_empty_item("", "");

src/Parser.hh

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+// IconMenuItem.hh for Fluxbox Window Manager
+// Copyright (c) 2004 Henrik Kinnunen (fluxgen at users.sourceforge.net)
+//                and Simon Bowden    (rathnor at users.sourceforge.net)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: Parser.hh,v 1.1 2004/05/02 20:57:14 fluxgen Exp $
+
+#ifndef PARSER_HH
+#define PARSER_HH
+
+#include <string>
+#include <utility>
+
+// interface class for a generic Parser
+class Parser {
+public:
+    typedef std::pair<std::string, std::string> Item;
+    static const Item s_empty_item;
+
+    virtual ~Parser() { }
+
+    virtual bool open(const std::string &filename) = 0;
+    virtual void close() = 0;
+    virtual bool eof() const = 0;
+    virtual bool isLoaded() const = 0;
+    virtual int row() const = 0;
+    virtual std::string line() const = 0;
+    virtual Parser &operator >> (Item &out) = 0;
+    virtual Item nextItem() = 0;
+
+};
+
+
+#endif // PARSER_HH