1 files changed, 55 insertions, 0 deletions
diff --git a/src/io/Input.cc b/src/io/Input.cc
new file mode 100644
index 00000000..5fff2cfd
--- /dev/null
+++ b/src/io/Input.cc
@@ -0,0 +1,55 @@
+// -*- C++ -*-
+// Copyright (C) 2013, Gabriel Dos Reis.
+// All rights reserved.
+// Written by Gabriel Dos Reis.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     - Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//
+//     - Redistributions in binary form must reproduce the above copyright
+//       notice, this list of conditions and the following disclaimer in
+//       the documentation and/or other materials provided with the
+//       distribution.
+//
+//     - Neither the name of OpenAxiom, nor the names of its contributors may
+//       be used to endorse or promote products derived from this software
+//       without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <open-axiom/Input>
+
+namespace OpenAxiom {
+   // -- Input::NonEmptyText --
+   Input::NonEmptyLine::NonEmptyLine(Ordinal n, const Text& t)
+         : structure::binary<Ordinal, Text>(n, t)
+   { }
+
+   // -- Input::Line --
+   const Input::NonEmptyLine&
+   Input::Line::get() const {
+      return source()->at(index());
+   }
+
+   // -- Input::Source --
+   Input::Line
+   Input::Source::line(LineNumber n, const Text& t) {
+      Index idx = size();
+      emplace_back(n, t);
+      return { this, idx };
+   }
+}