--- /dev/null
+/*
+Copyright (C) 2005 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 2 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, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+#include <config.h>
+
+#include "physfs_sdl.h"
+
+#include <physfs.h>
+
+#include <stdexcept>
+#include <sstream>
+#include <iostream>
+
+#include <assert.h>
+
+static int funcSeek(struct SDL_RWops* context, int offset, int whence)
+{
+ PHYSFS_file* file = (PHYSFS_file*) context->hidden.unknown.data1;
+ int res;
+ switch(whence) {
+ case SEEK_SET:
+ res = PHYSFS_seek(file, offset);
+ break;
+ case SEEK_CUR:
+ res = PHYSFS_seek(file, PHYSFS_tell(file) + offset);
+ break;
+ case SEEK_END:
+ res = PHYSFS_seek(file, PHYSFS_fileLength(file) + offset);
+ break;
+ default:
+ res = 0;
+ assert(false);
+ break;
+ }
+ if(res == 0) {
+ std::cerr << "Error seeking in file: " << PHYSFS_getLastError() << "\n";
+ return -1;
+ }
+
+ return (int) PHYSFS_tell(file);
+}
+
+static int funcRead(struct SDL_RWops* context, void* ptr, int size, int maxnum)
+{
+ PHYSFS_file* file = (PHYSFS_file*) context->hidden.unknown.data1;
+
+ int res = PHYSFS_read(file, ptr, size, maxnum);
+ return res;
+}
+
+static int funcClose(struct SDL_RWops* context)
+{
+ PHYSFS_file* file = (PHYSFS_file*) context->hidden.unknown.data1;
+
+ PHYSFS_close(file);
+ delete context;
+
+ return 0;
+}
+
+SDL_RWops* get_physfs_SDLRWops(const std::string& filename)
+{
+ PHYSFS_file* file = (PHYSFS_file*) PHYSFS_openRead(filename.c_str());
+ if(!file) {
+ std::stringstream msg;
+ msg << "Couldn't open '" << filename << "': "
+ << PHYSFS_getLastError();
+ throw std::runtime_error(msg.str());
+ }
+
+ SDL_RWops* ops = new SDL_RWops();
+ ops->type = 0;
+ ops->hidden.unknown.data1 = file;
+ ops->seek = funcSeek;
+ ops->read = funcRead;
+ ops->write = 0;
+ ops->close = funcClose;
+ return ops;
+}
--- /dev/null
+/*
+Copyright (C) 2005 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 2 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, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+#ifndef __PHYSFSSDL_HPP__
+#define __PHYSFSSDL_HPP__
+
+#include <SDL.h>
+#include <string>
+
+SDL_RWops* get_physfs_SDLRWops(const std::string& filename);
+
+#endif
+
--- /dev/null
+/*
+Copyright (C) 2005 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 2 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, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+#include <config.h>
+
+#include "physfs_stream.h"
+
+#include <physfs.h>
+#include <stdexcept>
+#include <sstream>
+
+IFileStreambuf::IFileStreambuf(const std::string& filename)
+{
+ file = PHYSFS_openRead(filename.c_str());
+ if(file == 0) {
+ std::stringstream msg;
+ msg << "Couldn't open file '" << filename << "': "
+ << PHYSFS_getLastError();
+ throw std::runtime_error(msg.str());
+ }
+}
+
+IFileStreambuf::~IFileStreambuf()
+{
+ PHYSFS_close(file);
+}
+
+int
+IFileStreambuf::underflow()
+{
+ if(PHYSFS_eof(file))
+ return traits_type::eof();
+
+ size_t bytesread = (size_t) PHYSFS_read(file, buf, 1, sizeof(buf));
+ if(bytesread == 0)
+ return traits_type::eof();
+ setg(buf, buf, buf + bytesread);
+
+ return buf[0];
+}
+
+//---------------------------------------------------------------------------
+
+OFileStreambuf::OFileStreambuf(const std::string& filename)
+{
+ 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)
+{
+ 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, &c, 1, 1);
+ if(res <= 0)
+ return traits_type::eof();
+ }
+
+ setp(buf, buf + res);
+ return 0;
+}
+
+int
+OFileStreambuf::sync()
+{
+ return overflow(traits_type::eof());
+}
+
+//---------------------------------------------------------------------------
+
+IFileStream::IFileStream(const std::string& filename)
+ : std::istream(new IFileStreambuf(filename))
+{
+}
+
+IFileStream::~IFileStream()
+{
+ delete rdbuf();
+}
+
+//---------------------------------------------------------------------------
+
+OFileStream::OFileStream(const std::string& filename)
+ : std::ostream(new OFileStreambuf(filename))
+{
+}
+
+OFileStream::~OFileStream()
+{
+ delete rdbuf();
+}
+
--- /dev/null
+/*
+Copyright (C) 2004 by 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 2 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, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+#ifndef __PHYSFSSTREAM_HPP__
+#define __PHYSFSSTREAM_HPP__
+
+#include <physfs.h>
+#include <string>
+#include <streambuf>
+#include <iostream>
+
+/** This class implements a C++ streambuf object for physfs files.
+ * So that you can use normal istream operations on them
+ */
+class IFileStreambuf : public std::streambuf
+{
+public:
+ IFileStreambuf(const std::string& filename);
+ ~IFileStreambuf();
+
+protected:
+ virtual int underflow();
+
+private:
+ PHYSFS_file* file;
+ char buf[1024];
+};
+
+class OFileStreambuf : public std::streambuf
+{
+public:
+ OFileStreambuf(const std::string& filename);
+ ~OFileStreambuf();
+
+protected:
+ virtual int overflow(int c);
+ virtual int sync();
+
+private:
+ PHYSFS_file* file;
+ char buf[1024];
+};
+
+class IFileStream : public std::istream
+{
+public:
+ IFileStream(const std::string& filename);
+ ~IFileStream();
+};
+
+class OFileStream : public std::ostream
+{
+public:
+ OFileStream(const std::string& filename);
+ ~OFileStream();
+};
+
+#endif
+
projects / supertux.git / commitdiff