Split physfs/physfs_stream.?pp into multiple files

[supertux.git] / src / physfs / ofile_streambuf.cpp

diff --git a/src/physfs/ofile_streambuf.cpp b/src/physfs/ofile_streambuf.cpp
new file mode 100644 (file)
index 0000000..c496b62
--- /dev/null
+++ b/src/physfs/ofile_streambuf.cpp
@@ -0,0 +1,71 @@
+//  SuperTux
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "physfs/ofile_streambuf.hpp"
+
+#include <sstream>
+#include <stdexcept>
+
+OFileStreambuf::OFileStreambuf(const std::string& filename) :
+  file()
+{
+  file = PHYSFS_openWrite(filename.c_str());
+  if(file == 0) {
+    std::stringstream msg;
+    msg << "Couldn't open file '" << filename << "': "
+        << PHYSFS_getLastError();
+    throw std::runtime_error(msg.str());
+  }
+
+  setp(buf, buf+sizeof(buf));
+}
+
+OFileStreambuf::~OFileStreambuf()
+{
+  sync();
+  PHYSFS_close(file);
+}
+
+int
+OFileStreambuf::overflow(int c)
+{
+  char c2 = (char)c;
+
+  if(pbase() == pptr())
+    return 0;
+
+  size_t size = pptr() - pbase();
+  PHYSFS_sint64 res = PHYSFS_write(file, pbase(), 1, size);
+  if(res <= 0)
+    return traits_type::eof();
+
+  if(c != traits_type::eof()) {
+    PHYSFS_sint64 res = PHYSFS_write(file, &c2, 1, 1);
+    if(res <= 0)
+      return traits_type::eof();
+  }
+
+  setp(buf, buf + res);
+  return 0;
+}
+
+int
+OFileStreambuf::sync()
+{
+  return overflow(traits_type::eof());
+}
+
+/* EOF */