Implement path_match() and path_search()

1 files changed, 105 insertions, 0 deletions

diff --git a/tests/wildcard/driver.cxx b/tests/wildcard/driver.cxx
new file mode 100644
index 0000000..7df5556
--- /dev/null
+++ b/tests/wildcard/driver.cxx
@@ -0,0 +1,105 @@
+// file      : tests/wildcard/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <string>
+#include <vector>
+#include <cassert>
+#include <iostream>
+#include <algorithm> // sort()
+#include <exception>
+
+#include <butl/path>
+#include <butl/utility>    // operator<<(ostream, exception)
+#include <butl/filesystem>
+
+using namespace std;
+using namespace butl;
+
+// Usage: argv[0] (-m <pattern> <name> | -s [-n] <pattern> [<dir>])
+//
+// Execute actions specified by -m or -s options. Exit with code 0 if succeed,
+// 1 if fail, 2 on the underlying OS error (print error description to STDERR).
+//
+// -m
+//    Match a name against the pattern.
+//
+// -s
+//    Search for paths matching the pattern in the directory specified (absent
+//    directory means the current one). Print the matching canonicalized paths
+//    to STDOUT in the ascending order. Succeed if at least one matching path
+//    is found. Note that this option must go first in the command line,
+//
+// -n
+//    Do not sort paths found.
+//
+int
+main (int argc, const char* argv[])
+try
+{
+  assert (argc >= 2);
+
+  string op (argv[1]);
+  bool match (op == "-m");
+  assert (match || op == "-s");
+
+  if (match)
+  {
+    assert (argc == 4);
+
+    string pattern (argv[2]);
+    string name (argv[3]);
+    return path_match (pattern, name) ? 0 : 1;
+  }
+  else
+  {
+    assert (argc >= 3);
+
+    bool sort (true);
+    int i (2);
+    for (; i != argc; ++i)
+    {
+      string o (argv[i]);
+      if (o == "-n")
+        sort = false;
+      else
+        break; // End of options.
+    }
+
+    assert (i != argc); // Still need pattern.
+    path pattern (argv[i++]);
+
+    dir_path start;
+    if (i != argc)
+      start = dir_path (argv[i++]);
+
+    assert (i == argc); // All args parsed,
+
+    vector<path> paths;
+    auto add = [&paths] (path&& p) -> bool
+    {
+      paths.emplace_back (move (p.canonicalize ()));
+      return true;
+    };
+
+    path_search (pattern, add, start);
+
+    if (sort)
+      std::sort (paths.begin (), paths.end ());
+
+    for (const auto& p: paths)
+      cout << p.representation () << endl;
+
+    return paths.empty () ? 1 : 0;
+  }
+}
+catch (const invalid_path& e)
+{
+  cerr << e << ": " << e.path << endl;
+  return 2;
+}
+catch (const exception& e)
+{
+  cerr << e << endl;
+  return 2;
+}