Add a Win32 filesystem implementation

src/CMakeLists.txt

@@ -13,6 +13,8 @@ add_definitions("-Wall -Wextra -pedantic")
 
 if(UNIX)
     set(ARCH_FOLDER "unix")
+elseif(WIN32)
+    set(ARCH_FOLDER "win32")
 endif()
 
 list(APPEND HEADERS_LIST

src/factory/FileSystem.cpp

@@ -27,6 +27,9 @@
 #if defined(__linux__) || defined(__APPLE__)
 # include "filesystem/unix/Directory.h"
 # include "filesystem/unix/File.h"
+#elif defined(_WIN32)
+# include "filesystem/win32/Directory.h"
+# include "filesystem/win32/File.h"
 #else
 # error No filesystem implementation for this architecture
 #endif

src/filesystem/win32/Directory.cpp

+/*****************************************************************************
+ * Media Library
+ *****************************************************************************
+ * Copyright (C) 2015 Hugo Beauzée-Luyssen, Videolabs
+ *
+ * Authors: Hugo Beauzée-Luyssen<hugo@beauzee.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#include "Directory.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <windows.h>
+
+namespace fs
+{
+
+Directory::Directory( const std::string& path )
+    : m_path( toAbsolute( path ) )
+    , m_lastModificationDate( 0 )
+{
+}
+
+const std::string& Directory::path() const
+{
+    return m_path;
+}
+
+const std::vector<std::string>& Directory::files()
+{
+    if ( m_dirs.size() == 0 && m_files.size() == 0 )
+        read();
+    return m_files;
+}
+
+const std::vector<std::string>&Directory::dirs()
+{
+    if ( m_dirs.size() == 0 && m_files.size() == 0 )
+        read();
+    return m_dirs;
+}
+
+unsigned int Directory::lastModificationDate() const
+{
+    if ( m_lastModificationDate == 0 )
+    {
+        struct _stat32 s;
+        _stat32( m_path.c_str(), &s );
+        if ( S_ISDIR( s.st_mode ) == false )
+            throw std::runtime_error( "The provided path isn't a directory" );
+        m_lastModificationDate = s.st_mtime;
+    }
+    return m_lastModificationDate;
+}
+
+bool Directory::isRemovable() const
+{
+    return false;
+}
+
+void Directory::read()
+{
+    WIN32_FIND_DATA f;
+    auto h = FindFirstFile( m_path.c_str(), &f );
+    if ( h == INVALID_HANDLE_VALUE )
+        throw std::runtime_error( "Failed to browse through " + m_path );
+    try
+    {
+        do
+        {
+            if ( ( f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) != 0 )
+            {
+                m_dirs.emplace_back( f.cFileName );
+            }
+            else
+            {
+                m_dirs.emplace_back( f.cFileName );
+            }
+        } while ( FindNextFile( h, &f ) != 0 );
+    }
+    catch(...){}
+
+    FindClose( h );
+}
+
+
+
+std::string Directory::toAbsolute( const std::string& path )
+{
+    TCHAR buff[MAX_PATH];
+    if ( GetFullPathName( path.c_str(), MAX_PATH, buff, nullptr ) == 0 )
+    {
+        throw std::runtime_error("Failed to convert " + path + " to absolute path (" +
+                                 std::to_string( GetLastError() ) + ")" );
+    }
+    return std::string( buff );
+}
+
+}

src/filesystem/win32/Directory.h

+/*****************************************************************************
+ * Media Library
+ *****************************************************************************
+ * Copyright (C) 2015 Hugo Beauzée-Luyssen, Videolabs
+ *
+ * Authors: Hugo Beauzée-Luyssen<hugo@beauzee.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#pragma once
+
+#include "filesystem/IDirectory.h"
+
+namespace fs
+{
+
+class Directory : public IDirectory
+{
+public:
+    Directory( const std::string& path );
+
+    virtual const std::string& path() const override;
+    virtual const std::vector<std::string>& files() override;
+    virtual const std::vector<std::string>& dirs() override;
+    virtual unsigned int lastModificationDate() const override;
+    virtual bool isRemovable() const override;
+
+private:
+    void read();
+
+private:
+    static std::string toAbsolute( const std::string& path );
+
+private:
+    const std::string m_path;
+    std::vector<std::string> m_files;
+    std::vector<std::string> m_dirs;
+    mutable unsigned int m_lastModificationDate;
+};
+
+}

src/filesystem/win32/File.cpp

+/*****************************************************************************
+ * Media Library
+ *****************************************************************************
+ * Copyright (C) 2015 Hugo Beauzée-Luyssen, Videolabs
+ *
+ * Authors: Hugo Beauzée-Luyssen<hugo@beauzee.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#include "File.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdexcept>
+
+namespace fs
+{
+
+File::File( const std::string &filePath )
+    : CommonFile( filePath )
+{
+}
+
+unsigned int File::lastModificationDate() const
+{
+    if ( m_lastModificationDate == 0 )
+    {
+        struct _stat32 s;
+        if ( _stat( m_fullPath.c_str(), &s ) )
+            throw std::runtime_error( "Failed to get file stats" );
+        m_lastModificationDate = s.st_mtime;
+    }
+    return m_lastModificationDate;
+}
+
+}

src/filesystem/win32/File.h

+/*****************************************************************************
+ * Media Library
+ *****************************************************************************
+ * Copyright (C) 2015 Hugo Beauzée-Luyssen, Videolabs
+ *
+ * Authors: Hugo Beauzée-Luyssen<hugo@beauzee.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#pragma once
+
+#include "filesystem/common/CommonFile.h"
+
+namespace fs
+{
+
+class File : public CommonFile
+{
+public:
+    File( const std::string& filePath );
+
+    unsigned int lastModificationDate() const override;
+
+private:
+    mutable unsigned int m_lastModificationDate;
+};
+
+}