Add modularized version

3 files changed, 59 insertions, 0 deletions

diff --git a/libmformat/libmformat/buildfile b/libmformat/libmformat/buildfile
new file mode 100644
index 0000000..24acee5
--- /dev/null
+++ b/libmformat/libmformat/buildfile
@@ -0,0 +1,15 @@
+import libs = libstd-modules%liba{std-modules}
+
+lib{mformat}: {mxx cxx}{format} $libs
+
+# For pre-releases use the complete version to make sure they cannot be used
+# in place of another pre-release or the final version.
+#
+if $version.pre_release
+  lib{mformat}: bin.lib.version = @"-$version.project_id"
+else
+  lib{mformat}: bin.lib.version = @"-$version.major.$version.minor"
+
+# Install into the libmformat/ subdirectory of, say, /usr/include/.
+#
+install.include = $install.include/$project/
diff --git a/libmformat/libmformat/format.cxx b/libmformat/libmformat/format.cxx
new file mode 100644
index 0000000..fe6ad15
--- /dev/null
+++ b/libmformat/libmformat/format.cxx
@@ -0,0 +1,31 @@
+// file: libmformat/format.cxx -*- C++ -*-
+
+module format;
+
+import std.core; // transform()
+import std.io;   // to{upper,lower}()
+
+using namespace std;
+
+namespace format
+{
+  string
+  message (const string& g, const string& n, volume v)
+  {
+    string r (g);
+
+    auto tr = [&r] (char (*t) (char))
+    {
+      transform (r.begin (), r.end (), r.begin (), t);
+    };
+
+    switch (v)
+    {
+    case volume::quiet:  tr ([](char c) -> char {return tolower (c);}); break;
+    case volume::normal:                                                break;
+    case volume::loud:   tr ([](char c) -> char {return toupper (c);}); break;
+    }
+
+    return r += ", " + n + '!';
+  }
+}
diff --git a/libmformat/libmformat/format.mxx b/libmformat/libmformat/format.mxx
new file mode 100644
index 0000000..c1e69ee
--- /dev/null
+++ b/libmformat/libmformat/format.mxx
@@ -0,0 +1,13 @@
+// file: libmformat/format.mxx -*- C++ -*-
+
+export module format;
+
+import std.core;
+
+export namespace format
+{
+  enum class volume {quiet, normal, loud};
+
+  __symexport std::string
+  message (const std::string& greeting, const std::string& name, volume);
+}