lib: fix win32 issues

lib/interleaf.cpp

@@ -49,18 +49,18 @@ Interleaf::Error Interleaf::Write(const char *f) const
 #ifdef _WIN32
 Interleaf::Error Interleaf::Read(const wchar_t *f)
 {
-  std::istream is(f);
+  std::ifstream is(f);
   if (!is.is_open() || !is.good()) {
-    return false;
+    return ERROR_IO;
   }
   return Read(is);
 }
 
 Interleaf::Error Interleaf::Write(const wchar_t *f) const
 {
-  std::ostream os(f);
+  std::ofstream os(f);
   if (!os.is_open() || !os.good()) {
-    return false;
+    return ERROR_IO;
   }
   return Write(os);
 }

lib/object.cpp

@@ -13,6 +13,26 @@ Object::Object()
   id_ = 0;
 }
 
+#ifdef _WIN32
+bool Object::ReplaceWithFile(const wchar_t *f)
+{
+  std::ifstream is(f);
+  if (!is.is_open() || !is.good()) {
+    return false;
+  }
+  return ReplaceWithFile(is);
+}
+
+bool Object::ExtractToFile(const wchar_t *f) const
+{
+  std::ofstream os(f);
+  if (!os.is_open() || !os.good()) {
+    return false;
+  }
+  return ExtractToFile(os);
+}
+#endif
+
 bool Object::ReplaceWithFile(const char *f)
 {
   std::ifstream is(f);

lib/sitypes.h

@@ -47,7 +47,7 @@ public:
     return std::string((const char *) &u, sizeof(u));
   }
 
-  static const char *GetTypeDescription(Type t);
+  LIBWEAVER_EXPORT static const char *GetTypeDescription(Type t);
 
 };
 

lib/types.h

@@ -120,7 +120,7 @@ public:
 
 };
 
-LIBWEAVER_EXPORT class memorybuf : public std::streambuf
+class memorybuf : public std::streambuf
 {
 public:
   memorybuf(){}