VfsFile

graft_sqlite::file

Trait VfsFile 

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pub trait VfsFile: Debug {
    // Required methods
    fn readonly(&self) -> bool;
    fn in_memory(&self) -> bool;
    fn lock(&mut self, level: LockLevel) -> Result<(), ErrCtx>;
    fn unlock(&mut self, level: LockLevel) -> Result<(), ErrCtx>;
    fn file_size(&mut self) -> Result<usize, ErrCtx>;
    fn truncate(&mut self, size: usize) -> Result<(), ErrCtx>;
    fn write(&mut self, offset: usize, data: &[u8]) -> Result<usize, ErrCtx>;
    fn read(&mut self, offset: usize, data: &mut [u8]) -> Result<usize, ErrCtx>;
}

Required Methods§

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fn readonly(&self) -> bool

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fn in_memory(&self) -> bool

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fn lock(&mut self, level: LockLevel) -> Result<(), ErrCtx>

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fn unlock(&mut self, level: LockLevel) -> Result<(), ErrCtx>

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fn file_size(&mut self) -> Result<usize, ErrCtx>

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fn truncate(&mut self, size: usize) -> Result<(), ErrCtx>

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fn write(&mut self, offset: usize, data: &[u8]) -> Result<usize, ErrCtx>

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fn read(&mut self, offset: usize, data: &mut [u8]) -> Result<usize, ErrCtx>

Implementors§