ENH: Add a way to get unused arguments and add a test

1 files changed, 106 insertions, 0 deletions

diff --git a/Source/kwsys/testCommandLineArguments1.cxx b/Source/kwsys/testCommandLineArguments1.cxx
new file mode 100644
index 0000000..a8de98a
--- /dev/null
+++ b/Source/kwsys/testCommandLineArguments1.cxx
@@ -0,0 +1,106 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+
+  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#include "kwsysPrivate.h"
+#include KWSYS_HEADER(CommandLineArguments.hxx)
+#include KWSYS_HEADER(ios/iostream)
+#include KWSYS_HEADER(stl/vector)
+
+// Work-around CMake dependency scanning limitation.  This must
+// duplicate the above list of headers.
+#if 0
+# include "CommandLineArguments.hxx.in"
+# include "kwsys_ios_iostream.h.in"
+#endif
+
+int main(int argc, char* argv[])
+{
+  kwsys::CommandLineArguments arg;
+  arg.Initialize(argc, argv);
+
+  int n = 0;
+  char* m = 0;
+  kwsys_stl::string p;
+  int res = 0;
+
+  typedef kwsys::CommandLineArguments argT;
+  arg.AddArgument("-n", argT::SPACE_ARGUMENT, &n, "Argument N");
+  arg.AddArgument("-m", argT::EQUAL_ARGUMENT, &m, "Argument M");
+  arg.AddBooleanArgument("-p", &p, "Argument P");
+
+  arg.StoreUnusedArguments(true);
+
+  if ( !arg.Parse() )
+    {
+    kwsys_ios::cerr << "Problem parsing arguments" << kwsys_ios::endl;
+    res = 1;
+    }
+  if ( n != 24 )
+    {
+    kwsys_ios::cout << "Problem setting N. Value of N: " << n << kwsys_ios::endl;
+    res = 1;
+    }
+  if ( !m || strcmp(m, "test value") != 0 )
+    {
+    kwsys_ios::cout << "Problem setting M. Value of M: " << m << kwsys_ios::endl;
+    res = 1;
+    }
+  if ( p != "1" )
+    {
+    kwsys_ios::cout << "Problem setting P. Value of P: " << p.c_str() << kwsys_ios::endl;
+    res = 1;
+    }
+  kwsys_ios::cout << "Value of N: " << n << kwsys_ios::endl;
+  kwsys_ios::cout << "Value of M: " << m << kwsys_ios::endl;
+  kwsys_ios::cout << "Value of P: " << p.c_str() << kwsys_ios::endl;
+
+  char** newArgv = 0;
+  int newArgc = 0;
+  arg.GetUnusedArguments(&newArgc, &newArgv);
+  int cc;
+  char* valid_unused_args[9] = {
+    0, "--ignored", "--second-ignored", "third-ignored",
+    "some", "junk", "at", "the", "end"
+  };
+  if ( newArgc != 9 )
+    {
+    kwsys_ios::cerr << "Bad number of unused arguments: " << newArgc << kwsys_ios::endl;
+    res = 1;
+    }
+  for ( cc = 0; cc < newArgc; ++ cc )
+    {
+    kwsys_ios::cout << "Unused argument[" << cc << "] = [" << newArgv[cc] << "]"
+      << kwsys_ios::endl;
+    if ( cc >= 9 )
+      {
+      kwsys_ios::cerr << "Too many unused arguments: " << cc << kwsys_ios::endl;
+      res = 1;
+      }
+    else if ( valid_unused_args[cc] &&
+      strcmp(valid_unused_args[cc], newArgv[cc]) != 0 )
+      {
+      kwsys_ios::cerr << "Bad unused argument [" << cc << "] \""
+        << newArgv[cc] << "\" should be: \"" << valid_unused_args[cc] << "\""
+        << kwsys_ios::endl;
+      res = 1;
+      }
+    }
+  arg.DeleteRemainingArguments(newArgc, &newArgv);
+
+  if ( m )
+    {
+    delete [] m;
+    }
+  return res;
+}
+