From 78be8e1604f183b28527159047bab69a5cbe9232 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 14 Jan 2019 22:00:36 +0300
Subject: Add b_info() that runs `b info` command and parses and returns build2
 project info

---
 tests/b-info/driver.cxx | 118 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 tests/b-info/driver.cxx

(limited to 'tests/b-info/driver.cxx')

diff --git a/tests/b-info/driver.cxx b/tests/b-info/driver.cxx
new file mode 100644
index 0000000..9432551
--- /dev/null
+++ b/tests/b-info/driver.cxx
@@ -0,0 +1,118 @@
+// file      : tests/b-info/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <cassert>
+
+#ifndef __cpp_lib_modules
+#include <string>
+#include <iostream>
+#endif
+
+// Other includes.
+
+#ifdef __cpp_modules
+#ifdef __cpp_lib_modules
+import std.core;
+import std.io;
+#endif
+import butl.b;
+import butl.path;
+import butl.utility;    // operator<<(ostream,exception)
+#else
+#include <libbutl/b.mxx>
+#include <libbutl/path.mxx>
+#include <libbutl/utility.mxx>
+#endif
+
+using namespace std;
+using namespace butl;
+
+// Usage: argv[0] [-b <path>] <project-dir>
+//
+// Print the build2 project information to stdout.
+//
+// -b <path>  the build program to be used to retrieve the project information
+//
+int
+main (int argc, char* argv[])
+try
+{
+  path b ("b");
+  dir_path project;
+
+  for (int i (1); i != argc; ++i)
+  {
+    string a (argv[i]);
+
+    if (a == "-b")
+    {
+      ++i;
+
+      assert (i != argc);
+      b = path (argv[i]);
+    }
+    else
+    {
+      assert (project.empty ());
+      project = dir_path (move (a));
+    }
+  }
+
+  assert (!project.empty ());
+
+  cout.exceptions (ios::failbit | ios::badbit);
+
+  b_project_info pi (b_info (project, 1 /* verb */, {}, b));
+
+  cout << "project: "      << pi.project                        << endl
+       << "version: "      << pi.version                        << endl
+       << "summary: "      << pi.summary                        << endl
+       << "url: "          << pi.url                            << endl
+       << "src_root: "     << pi.src_root.representation ()     << endl
+       << "out_root: "     << pi.out_root.representation ()     << endl
+       << "amalgamation: " << pi.amalgamation.representation () << endl
+       << "subprojects: ";
+
+  for (auto b (pi.subprojects.begin ()), i (b);
+       i != pi.subprojects.end ();
+       ++i)
+  {
+    if (i != b)
+      cout << ' ';
+
+    cout << i->name << '@' << i->path.representation ();
+  }
+  cout << endl
+       << "operations: ";
+
+  for (auto b (pi.operations.begin ()), i (b); i != pi.operations.end (); ++i)
+  {
+    if (i != b)
+      cout << ' ';
+
+    cout << *i;
+  }
+  cout << endl
+       << "meta-operations: ";
+
+  for (auto b (pi.meta_operations.begin ()), i (b);
+       i != pi.meta_operations.end ();
+       ++i)
+  {
+    if (i != b)
+      cout << ' ';
+
+    cout << *i;
+  }
+  cout << endl;
+
+  return 0;
+}
+catch (const b_error& e)
+{
+  if (!e.normal ())
+    cerr << e << endl;
+
+  return 1;
+}
-- 
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