Scanner-based parsing with support for element erasing

Also implement argv_file_scanner which provides support for reading command
line arguments from the argv array as well as files specified with command
line options. New examples: file. New tests: ctor, erase, file.

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/file/driver.cxx b/tests/file/driver.cxx
new file mode 100644
index 0000000..e0aec6e
--- /dev/null
+++ b/tests/file/driver.cxx
@@ -0,0 +1,29 @@
+// file      : tests/file/driver.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+// Test argv_file_scanner.
+//
+
+#include <iostream>
+
+#include "test.hxx"
+
+using namespace std;
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    cli::argv_file_scanner s (argc, argv, "--file");
+
+    while (s.more ())
+      cout << s.next () << endl;
+  }
+  catch (const cli::exception& e)
+  {
+    cout << e << endl;
+  }
+}