Add tab_parser

1 files changed, 67 insertions, 0 deletions

diff --git a/tests/tab-parser/driver.cxx b/tests/tab-parser/driver.cxx
new file mode 100644
index 0000000..8b0cc4d
--- /dev/null
+++ b/tests/tab-parser/driver.cxx
@@ -0,0 +1,67 @@
+// file      : tests/tab-parser/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <ios>      // ios::failbit, ios::badbit
+#include <cassert>
+#include <iostream>
+
+#include <butl/utility>    // operator<<(ostream,exception)
+#include <butl/tab-parser>
+
+using namespace std;
+using namespace butl;
+
+// Usage: argv[0] [-l]
+//
+// Read and parse tab-file from STDIN and print fields to STDOUT.
+//
+// -l  output each field on a separate line
+//
+int
+main (int argc, char* argv[])
+try
+{
+  assert (argc <= 2);
+  bool fpl (false); // Print field per line.
+
+  if (argc == 2)
+  {
+    assert (argv[1] == string ("-l"));
+    fpl = true;
+  }
+
+  cin.exceptions  (ios::failbit | ios::badbit);
+  cout.exceptions (ios::failbit | ios::badbit);
+
+  tab_fields tl;
+  tab_parser parser (cin, "cin");
+
+  while (!(tl = parser.next ()).empty ())
+  {
+    if (!fpl)
+    {
+      for (auto b (tl.cbegin ()), i (b), e (tl.cend ()); i != e; ++i)
+      {
+        if (i != b)
+          cout << ' ';
+
+        cout << i->value;
+      }
+
+      cout << '\n';
+    }
+    else
+    {
+      for (const auto& tf: tl)
+        cout << tf.value << '\n';
+    }
+  }
+
+  return 0;
+}
+catch (const tab_parsing& e)
+{
+  cerr << e << endl;
+  return 1;
+}