Merge branch 'remove-lowlevelfile' into 'master'

Remove obsolete LowLevelFile

See merge request OpenMW/openmw!2156

components/CMakeLists.txt

@@ -214,7 +214,7 @@ IF(NOT WIN32 AND NOT APPLE)
 ENDIF()
 add_component_dir (files
     linuxpath androidpath windowspath macospath fixedpath multidircollection collections configurationmanager
-    lowlevelfile constrainedfilestream memorystream hash configfileparser openfile constrainedfilestreambuf
+    constrainedfilestream memorystream hash configfileparser openfile constrainedfilestreambuf
     )
 
 add_component_dir (compiler

components/files/constrainedfilestreambuf.cpp

@@ -5,14 +5,16 @@
 
 namespace Files
 {
+    namespace File = Platform::File;
+    
     ConstrainedFileStreamBuf::ConstrainedFileStreamBuf(const std::string& fname, std::size_t start, std::size_t length)
         : mOrigin(start)
     {
-        mFile.open(fname.c_str());
+        mFile = File::open(fname.c_str());
-        mSize  = length != std::numeric_limits<std::size_t>::max() ? length : mFile.size () - start;
+        mSize  = length != std::numeric_limits<std::size_t>::max() ? length : File::size(mFile) - start;
 
         if (start != 0)
-            mFile.seek(start);
+            File::seek(mFile, start);
 
         setg(nullptr, nullptr, nullptr);
     }
@@ -21,10 +23,10 @@ namespace Files
     {
         if (gptr() == egptr())
         {
-            const std::size_t toRead = std::min((mOrigin + mSize) - (mFile.tell()), sizeof(mBuffer));
+            const std::size_t toRead = std::min((mOrigin + mSize) - (File::tell(mFile)), sizeof(mBuffer));
             // Read in the next chunk of data, and set the read pointers on success
-            // Failure will throw exception in LowLevelFile
+            // Failure will throw exception.
-            const std::size_t got = mFile.read(mBuffer, toRead);
+            const std::size_t got = File::read(mFile, mBuffer, toRead);
             setg(&mBuffer[0], &mBuffer[0], &mBuffer[0] + got);
         }
         if (gptr() == egptr())
@@ -46,7 +48,7 @@ namespace Files
                 newPos = offset;
                 break;
             case std::ios_base::cur:
-                newPos = (mFile.tell() - mOrigin - (egptr() - gptr())) + offset;
+                newPos = (File::tell(mFile) - mOrigin - (egptr() - gptr())) + offset;
                 break;
             case std::ios_base::end:
                 newPos = mSize + offset;
@@ -58,7 +60,7 @@ namespace Files
         if (newPos > mSize)
             return traits_type::eof();
 
-        mFile.seek(mOrigin + newPos);
+        File::seek(mFile, mOrigin + newPos);
 
         // Clear read pointers so underflow() gets called on the next read attempt.
         setg(nullptr, nullptr, nullptr);
@@ -74,7 +76,7 @@ namespace Files
         if (static_cast<std::size_t>(pos) > mSize)
             return traits_type::eof();
 
-        mFile.seek(mOrigin + pos);
+        File::seek(mFile, mOrigin + pos);
 
         // Clear read pointers so underflow() gets called on the next read attempt.
         setg(nullptr, nullptr, nullptr);

components/files/constrainedfilestreambuf.hpp

@@ -1,7 +1,7 @@
 #ifndef OPENMW_CONSTRAINEDFILESTREAMBUF_H
 #define OPENMW_CONSTRAINEDFILESTREAMBUF_H
 
-#include "lowlevelfile.hpp"
+#include <components/platform/file.hpp>
 
 #include <streambuf>
 
@@ -22,8 +22,8 @@ namespace Files
     private:
         std::size_t mOrigin;
         std::size_t mSize;
-        LowLevelFile mFile;
+        Platform::File::Handle mFile{ Platform::File::Handle::Invalid };
-        char mBuffer[8192]{0};
+        char mBuffer[8192]{ 0 };
     };
 }
 

components/files/lowlevelfile.cpp

@@ -1,53 +0,0 @@
-#include "lowlevelfile.hpp"
-
-#include <stdexcept>
-#include <sstream>
-#include <cassert>
-
-namespace File = Platform::File;
-
-LowLevelFile::~LowLevelFile()
-{
-    if (mHandle != File::Handle::Invalid)
-        File::close(mHandle);
-}
-
-void LowLevelFile::open(char const* filename)
-{
-    mHandle = File::open(filename);
-}
-
-void LowLevelFile::close()
-{
-    if (mHandle != File::Handle::Invalid)
-        File::close(mHandle);
-    mHandle = File::Handle::Invalid;
-}
-
-size_t LowLevelFile::size()
-{
-    assert(mHandle != File::Handle::Invalid);
-
-    return File::size(mHandle);
-}
-
-void LowLevelFile::seek(size_t position)
-{
-    assert(mHandle != File::Handle::Invalid);
-
-    return File::seek(mHandle, position);
-}
-
-size_t LowLevelFile::tell()
-{
-    assert(mHandle != File::Handle::Invalid);
-
-    return File::tell(mHandle);
-}
-
-size_t LowLevelFile::read(void* data, size_t size)
-{
-    assert(mHandle != File::Handle::Invalid);
-
-    return File::read(mHandle, data, size);
-}

components/files/lowlevelfile.hpp

@@ -1,28 +0,0 @@
-#ifndef COMPONENTS_FILES_LOWLEVELFILE_HPP
-#define COMPONENTS_FILES_LOWLEVELFILE_HPP
-
-#include <cstdlib>
-#include <memory>
-
-#include <components/platform/file.hpp>
-
-class LowLevelFile
-{
-public:
-    ~LowLevelFile();
-
-    void open(char const* filename);
-    void close();
-
-    size_t size();
-
-    void seek(size_t Position);
-    size_t tell();
-
-    size_t read(void* data, size_t size);
-
-private:
-    Platform::File::Handle mHandle{ Platform::File::Handle::Invalid };
-};
-
-#endif