Platform refactoring for QT

Introduced correct paths support for release production builds

1 files changed, 28 insertions, 10 deletions

diff --git a/platform/platform.hpp b/platform/platform.hpp
index 8ed3e1994f..3f6da6100d 100644
--- a/platform/platform.hpp
+++ b/platform/platform.hpp
@@ -1,23 +1,41 @@
 #pragma once
 
+#include "../base/exception.hpp"
+
 #include "../std/string.hpp"
 #include "../std/vector.hpp"
 #include "../std/utility.hpp"
 
 #include "../base/start_mem_debug.hpp"
 
+DECLARE_EXCEPTION(FileAbsentException, RootException);
+
 class Platform
 {
 public:
   virtual ~Platform() {}
 
   /// Time in seconds passed from application start
-  virtual double TimeInSec() = 0;
+  virtual double TimeInSec() const = 0;
 
-  /// Full path to read/write project data directory with slash at the end
-  virtual string WorkingDir() = 0;
-  /// Full path to read only program resources dir with slash at the end
-  virtual string ResourcesDir() = 0;
+  /// @return always the same writable dir for current user with slash at the end
+  virtual string WritableDir() const = 0;
+  /// @return full path to file in user's writable directory
+  string WritablePathForFile(string const & file) const
+  {
+    return WritableDir() + file;
+  }
+
+  /// Throws FileAbsentException
+  /// @param[in] file just file name which we want to read
+  /// @param[out] fullPath fully resolved path including file name
+  /// @return false if file is absent
+  virtual string ReadPathForFile(char const * file) const = 0;
+  /// Throws FileAbsentException
+  string ReadPathForFile(string const & file) const
+  {
+    return ReadPathForFile(file.c_str());
+  }
 
   /// @name File operations
   //@{
@@ -26,20 +44,20 @@ public:
   /// @param directory directory path with slash at the end
   /// @param mask files extension to find, like ".map" etc
   /// @return number of files found in outFiles
-  virtual int GetFilesInDir(string const & directory, string const & mask, FilesList & outFiles) = 0;
+  virtual int GetFilesInDir(string const & directory, string const & mask, FilesList & outFiles) const = 0;
   /// @return false if file is not exist
-  virtual bool GetFileSize(string const & file, uint64_t & size) = 0;
+  virtual bool GetFileSize(string const & file, uint64_t & size) const = 0;
   /// Renamed to avoid conflict with Windows macroses
-  virtual bool RenameFileX(string const & original, string const & newName) = 0;
+  virtual bool RenameFileX(string const & original, string const & newName) const = 0;
   /// Simple check
-  bool IsFileExists(string const & file)
+  bool IsFileExists(string const & file) const
   {
     uint64_t dummy;
     return GetFileSize(file, dummy);
   }
   //@}
 
-  virtual int CpuCores() = 0;
+  virtual int CpuCores() const = 0;
 
   virtual double VisualScale() const = 0;