Add package_manifest::override() overriding build* values

1 files changed, 95 insertions, 0 deletions

diff --git a/tests/overrides/driver.cxx b/tests/overrides/driver.cxx
new file mode 100644
index 0000000..fea4294
--- /dev/null
+++ b/tests/overrides/driver.cxx
@@ -0,0 +1,95 @@
+// file      : tests/overrides/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <ios>      // ios_base::failbit, ios_base::badbit
+#include <string>
+#include <vector>
+#include <cstddef>  // size_t
+#include <cstdint>  // uint64_t
+#include <cassert>
+#include <iostream>
+
+#include <libbutl/utility.mxx>             // trim()
+#include <libbutl/manifest-parser.mxx>
+#include <libbutl/manifest-serializer.mxx>
+
+#include <libbpkg/manifest.hxx>
+
+using namespace std;
+using namespace butl;
+using namespace bpkg;
+
+// Usages: argv[0] [-n] (<name>:<value>)*
+//
+// Parse the package manifest from stdin, apply overrides passed as arguments,
+// and serialize the resulting manifest to stdout.
+//
+// -n  pass the stream name to manifest_parser::override()
+//
+int
+main (int argc, char* argv[])
+{
+  vector<manifest_name_value> overrides;
+
+  bool name (false);
+
+  uint64_t l (1);
+  for (int i (1); i != argc; ++i)
+  {
+    string a (argv[i]);
+
+    if (a == "-n")
+    {
+      name = true;
+    }
+    else
+    {
+      size_t p (a.find (':'));
+
+      assert (p != string::npos);
+
+      // Fill the values with the location information for the exception
+      // description testing.
+      //
+      manifest_name_value nv {string (a, 0, p), string (a, p + 1),
+                              l /* name_line */,  1     /* name_column */,
+                              l /* value_line */, p + 2 /* value_column */,
+                              0, 0, 0};
+
+      ++l;
+
+      trim (nv.name);
+      trim (nv.value);
+
+      assert (!nv.name.empty ());
+
+      overrides.push_back (move (nv));
+    }
+  }
+
+  cin.exceptions  (ios_base::failbit | ios_base::badbit);
+  cout.exceptions (ios_base::failbit | ios_base::badbit);
+
+  manifest_parser     p (cin,  "stdin");
+  manifest_serializer s (cout, "stdout");
+
+  try
+  {
+    package_manifest m (p);
+    m.override (overrides, name ? "args" : string ());
+    m.serialize (s);
+  }
+  catch (const manifest_parsing& e)
+  {
+    cerr << e << endl;
+    return 1;
+  }
+  catch (const manifest_serialization& e)
+  {
+    cerr << e << endl;
+    return 1;
+  }
+
+  return 0;
+}