boost::filesystem cross-platform config file check

* introduces the use of the Boost.System and Boost.Filesystem libraries,
  which must be built and linked to rather than just compiled into
  OpenMW. May be a pain in the neck to get working on other platforms,
  but once it works, we have all of Boost to work with.

CMakeLists.txt

@@ -23,10 +23,11 @@ endif (WIN32)
 
 # Dependencies
 find_package(OGRE REQUIRED)
-find_package(Boost REQUIRED)
+find_package(Boost REQUIRED COMPONENTS system filesystem)
 include_directories("." ${OGRE_INCLUDE_DIR} ${Boost_INCLUDE_DIR} ${PLATFORM_INCLUDE_DIR})
 link_directories(${Boost_LIBRARY_DIRS} ${OGRE_LIB_DIR})
 
 # Main executable
 add_executable(openmw ${BSA} ${TOOLS} ${OGRE} ${GAME})
 target_link_libraries(openmw ${OGRE_LIBRARIES})
+target_link_libraries(openmw ${Boost_LIBRARIES})

README.md

@@ -16,8 +16,8 @@ Getting OpenMW Working
 1. Clone this repository.
 2. Install `bjam` through MacPorts.
 3. Download [boost][] 1.43 and install it with the following command:
-    
-        $ mkdir build && sudo bjam --build-dir=build --layout=versioned --toolset=darwin --architecture=combined --address-model=32 --link=shared,static install
+
+        $ mkdir build && sudo bjam --build-dir=build --layout=versioned --toolset=darwin architecture=i386 address-model=32 --link=shared,static install
 
 4. Download [Ogre][] 1.7.1 and build and Xcode project with CMake:
 
@@ -28,10 +28,10 @@ Getting OpenMW Working
 6. Generate the Makefile for OpenMW as follows:
 
         $ mkdir build && cd build && BOOST_INCLUDEDIR=/usr/local/include/boost-1_43 BOOST_LIBRARYDIR=/usr/local/lib CMAKE_OSX_ARCHITECTURES=i386 cmake ..
-        
+
 7. Move your Morrowind `Data Files` directory into `build`, renamed as `data`.
 
 [boost]: http://www.boost.org
 [Ogre]: http://www.ogre3d.org
 [official website]: http://openmw.com
-[Will Thimbleby's Ogre Framework]: http://www.thimbleby.net/ogre/
+[Will Thimbleby's Ogre Framework]: http://www.thimbleby.net/ogre/

tools/fileops.cpp

@@ -1,44 +1,8 @@
 #include "fileops.hpp"
-
-// Windows-specific implementation (NOT TESTED)
-#ifdef _WIN32
-
-#include <windows.h>
-
-bool isFile(const char *name)
-{
-  unsigned int stat = GetFileAttributes(name);
-  return (stat != 0xFFFFFFFF &&
-          (stat & FILE_ATTRIBUTE_DIRECTORY) == 0);
-}
-#elif __linux__ // Linux implementations
-
-#include <sys/stat.h>
-#include <unistd.h>
+#include <boost/filesystem.hpp>
 
 bool isFile(const char *name)
 {
-  // Does the file exist?
-  if(access(name,0) != 0)
-    return false;
-
-  struct stat st;
-  if(stat(name, &st)) return false;
-  return S_ISREG(st.st_mode);
-}
-
-#elif __APPLE__ // Darwin implementations
-#include <sys/stat.h>
-#include <unistd.h>
-
-bool isFile(const char *name)
-{
-  // Does the file exist?
-  if(access(name,0) != 0)
-    return false;
-
-  struct stat st;
-  if(stat(name, &st)) return false;
-  return S_ISREG(st.st_mode);
+  boost::filesystem::path cfg_file_path(name);
+  return boost::filesystem::exists(cfg_file_path);
 }
-#endif