Imported Upstream version 3.3.0.2upstream/3.3.0.2

1 files changed, 65 insertions, 0 deletions

diff --git a/libcult/examples/cli/cli.cxx b/libcult/examples/cli/cli.cxx
new file mode 100644
index 0000000..922a23d
--- /dev/null
+++ b/libcult/examples/cli/cli.cxx
@@ -0,0 +1,65 @@
+// file      : examples/cli/cli.cxx
+// author    : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2005-2010 Boris Kolpackov
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <cult/types.hxx>
+
+#include <cult/cli/options.hxx>
+#include <cult/cli/options-spec.hxx>
+#include <cult/cli/options-parser.hxx>
+
+#include <iostream>
+
+using std::cerr;
+using std::endl;
+
+using namespace Cult;
+
+namespace
+{
+  extern Char const help[] = "help";
+  extern Char const version[] = "version";
+  extern Char const outdir[] = "outdir";
+}
+
+typedef
+CLI::Options<help, Boolean,
+             version, Boolean,
+             outdir, String>
+Options;
+
+Int
+main (Int argc, Char* argv[])
+{
+  try
+  {
+    Options options (CLI::parse<Options> (argc, argv));
+
+    if (options.value<help> ())
+    {
+      cerr << "usage: " << argv[0] << " [--help] [--version] [--outdir <dir>]"
+           << endl;
+      return 0;
+    }
+
+    if (options.value<version> ())
+    {
+      cerr << argv[0] << " 1.2.3" << endl;
+      return 0;
+    }
+
+    if (String dir = options.value<outdir> ())
+    {
+      cerr << "outdir: " << dir << endl;
+    }
+  }
+  catch (CLI::UnexpectedOption const& e)
+  {
+    cerr << "unexpected option " << e.option () <<endl;
+  }
+  catch (CLI::OptionFormat const& e)
+  {
+    cerr << "bad format for " << e.option () << endl;
+  }
+}