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simplification of MemoryArrayReader interface.

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This commit is contained in:
Christoph Oelckers 2023-12-13 17:49:20 +01:00
parent 9bcbdfa09c
commit 235d36fe69
3 changed files with 3 additions and 33 deletions
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1
src/common/filesystem/include/fs_files.h
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@ -236,7 +236,6 @@ public:
bool OpenMemoryArray(const void *mem, Size length); // read from a copy of the buffer.
bool OpenMemoryArray(std::vector<uint8_t>& data); // take the given array
bool OpenMemoryArray(FileData& data); // take the given array
bool OpenMemoryArray(std::function<bool(std::vector<uint8_t>&)> getter); // read contents to a buffer and return a reader to it
Size Tell() const
{

24
src/common/filesystem/source/files.cpp
View file

@ -399,13 +399,6 @@ bool FileReader::OpenMemoryArray(const void *mem, FileReader::Size length)
return true;
}
bool FileReader::OpenMemoryArray(std::vector<uint8_t>& data)
{
Close();
if (data.size() > 0) mReader = new MemoryArrayReader<std::vector<uint8_t>>(data);
return true;
}
bool FileReader::OpenMemoryArray(FileData& data)
{
Close();
@ -413,23 +406,6 @@ bool FileReader::OpenMemoryArray(FileData& data)
return true;
}
bool FileReader::OpenMemoryArray(std::function<bool(std::vector<uint8_t>&)> getter)
{
auto reader = new MemoryArrayReader<std::vector<uint8_t>>(nullptr, 0);
if (getter(reader->GetArray()))
{
Close();
reader->UpdateBuffer();
mReader = reader;
return true;
}
else
{
// This will keep the old buffer, if one existed
delete reader;
return false;
}
}
//==========================================================================

11
src/common/menu/savegamemanager.cpp
View file

@ -317,14 +317,9 @@ unsigned FSavegameManagerBase::ExtractSaveData(int index)
if (pic >= 0)
{
FileReader picreader;
picreader.OpenMemoryArray([=](std::vector<uint8_t>& array)
{
auto rd = resf->GetEntryReader(pic, false);
array.resize(resf->Length(pic));
rd.Read(array.data(), array.size());
return true;
});
// we must create a memory reader copy of the PNG if we want to close the savegame file here.
auto rd = resf->Read(pic);
picreader.OpenMemoryArray(rd);
PNGHandle *png = M_VerifyPNG(picreader);
if (png != nullptr)
{