Switch to build2

1 files changed, 60 insertions, 0 deletions

diff --git a/libxsd-frontend/types.cxx b/libxsd-frontend/types.cxx
new file mode 100644
index 0000000..3769bfe
--- /dev/null
+++ b/libxsd-frontend/types.cxx
@@ -0,0 +1,60 @@
+// file      : libxsd-frontend/types.cxx
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <cstdlib> // std::mbstowcs
+
+#include <libxsd-frontend/types.hxx>
+
+namespace XSDFrontend
+{
+  // NonRepresentable
+  //
+  char const* NonRepresentable::
+  what () const throw ()
+  {
+    return "character is not representable in the narrower encoding";
+  }
+
+  // StringTemplate
+  //
+
+  // Specialization for char to wchar_t conversion.
+  //
+  template <>
+  void StringTemplate<wchar_t, char>::
+  from_narrow (char const* s)
+  {
+    size_type size (std::mbstowcs (0, s, 0) + 1);
+
+    // I dare to change the guts!
+    //
+    resize (size - 1);
+
+    wchar_t* p (const_cast<wchar_t*> (data ()));
+
+    std::mbstowcs (p, s, size);
+  }
+
+  // Specialization for wchar_t to char conversion.
+  //
+  template <>
+  StringTemplate<char> StringTemplate<wchar_t, char>::
+  to_narrow () const
+  {
+    size_type size (std::wcstombs (0, c_str (), 0));
+
+    if (size == size_type (-1))
+      throw NonRepresentable ();
+
+    // I dare to change the guts!
+    //
+    StringTemplate<char> r;
+    r.resize (size);
+
+    char* p (const_cast<char*> (r.data ()));
+
+    std::wcstombs (p, c_str (), size + 1);
+
+    return r;
+  }
+}