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Add support for unpackaged resources to speed up loads on Android, i.e. so we don't have to decompress entire GPAs to load a single resource.

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elasota
2020-10-12 18:03:23 -04:00
parent ec56bdace2
commit 1ecef6f8ef
26 changed files with 674 additions and 252 deletions
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19
PortabilityLayer/HostFileSystem.h
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@@ -16,17 +16,32 @@ namespace PortabilityLayer
public:
virtual bool FileExists(VirtualDirectory_t virtualDirectory, const char *path) = 0;
virtual bool FileLocked(VirtualDirectory_t virtualDirectory, const char *path, bool *exists) = 0;
virtual GpIOStream *OpenFile(VirtualDirectory_t virtualDirectory, const char *path, bool writeAccess, GpFileCreationDisposition_t createDisposition) = 0;
virtual GpIOStream *OpenFileNested(PortabilityLayer::VirtualDirectory_t virtualDirectory, char const* const* subPaths, size_t numSubPaths, bool writeAccess, GpFileCreationDisposition_t createDisposition) = 0;
virtual bool DeleteFile(VirtualDirectory_t virtualDirectory, const char *path, bool &existed) = 0;
virtual HostDirectoryCursor *ScanDirectory(VirtualDirectory_t virtualDirectory) = 0;
virtual HostDirectoryCursor *ScanDirectoryNested(VirtualDirectory_t virtualDirectory, char const* const* paths, size_t numPaths) = 0;
HostDirectoryCursor *ScanDirectory(VirtualDirectory_t virtualDirectory);
virtual bool ValidateFilePath(const char *path, size_t pathLen) const = 0;
virtual bool ValidateFilePathUnicodeChar(uint32_t ch) const = 0;
virtual bool IsVirtualDirectoryLooseResources(VirtualDirectory_t virtualDir) const = 0;
static HostFileSystem *GetInstance();
static void SetInstance(HostFileSystem *instance);
GpIOStream *OpenFile(VirtualDirectory_t virtualDirectory, const char *path, bool writeAccess, GpFileCreationDisposition_t createDisposition);
private:
static HostFileSystem *ms_instance;
};
}
inline GpIOStream *PortabilityLayer::HostFileSystem::OpenFile(PortabilityLayer::VirtualDirectory_t virtualDirectory, const char *path, bool writeAccess, GpFileCreationDisposition_t createDisposition)
{
return this->OpenFileNested(virtualDirectory, &path, 1, writeAccess, createDisposition);
}
inline PortabilityLayer::HostDirectoryCursor *PortabilityLayer::HostFileSystem::ScanDirectory(VirtualDirectory_t virtualDirectory)
{
return this->ScanDirectoryNested(virtualDirectory, nullptr, 0);
}