glycin_utils/memory/
fungible.rs

1use std::ops::{Deref, DerefMut};
2
3use crate::{ByteData, MemoryAllocationError};
4
5#[derive(Debug)]
6pub enum FungibleMemory {
7    #[cfg(feature = "external")]
8    SharedMemory(crate::SharedMemory),
9    LocalMemory(Vec<u8>),
10}
11
12impl FungibleMemory {
13    pub fn from_vec(vec: Vec<u8>) -> Self {
14        FungibleMemory::LocalMemory(vec)
15    }
16}
17
18impl ByteData for FungibleMemory {
19    fn new(size: u64) -> std::io::Result<Self> {
20        Ok(Self::LocalMemory(vec![0; size as usize]))
21    }
22
23    fn into_fungible(self) -> FungibleMemory {
24        self
25    }
26
27    #[cfg(feature = "external")]
28    fn from_shared(shared: crate::SharedMemory) -> Self {
29        FungibleMemory::SharedMemory(shared)
30    }
31
32    fn into_other<O: ByteData>(self) -> Result<O, MemoryAllocationError> {
33        match self {
34            Self::LocalMemory(local) => O::try_from_vec(local),
35            #[cfg(feature = "external")]
36            Self::SharedMemory(shared) => Ok(O::from_shared(shared)),
37        }
38    }
39
40    fn try_from_vec(value: Vec<u8>) -> Result<Self, MemoryAllocationError> {
41        Ok(Self::LocalMemory(value))
42    }
43
44    fn try_from_slice(value: &[u8]) -> Result<Self, MemoryAllocationError> {
45        Ok(Self::LocalMemory(value.to_vec()))
46    }
47
48    async fn initial_seal(&mut self) -> Result<(), MemoryAllocationError> {
49        #[cfg(feature = "external")]
50        if let Self::SharedMemory(shared) = self {
51            shared.initial_seal().await?;
52        }
53
54        Ok(())
55    }
56
57    async fn final_seal(&mut self) -> Result<(), MemoryAllocationError> {
58        #[cfg(feature = "external")]
59        if let Self::SharedMemory(shared) = self {
60            shared.final_seal().await?;
61        }
62
63        Ok(())
64    }
65
66    #[cfg(feature = "glib")]
67    fn into_gbytes(self) -> Result<glib::Bytes, MemoryAllocationError> {
68        match self {
69            FungibleMemory::LocalMemory(local) => Ok(glib::Bytes::from_owned(local)),
70            #[cfg(feature = "external")]
71            FungibleMemory::SharedMemory(shared) => shared.into_gbytes(),
72        }
73    }
74}
75
76impl Deref for FungibleMemory {
77    type Target = [u8];
78
79    fn deref(&self) -> &[u8] {
80        match self {
81            Self::LocalMemory(local) => local,
82            #[cfg(feature = "external")]
83            Self::SharedMemory(shared) => shared,
84        }
85    }
86}
87
88impl DerefMut for FungibleMemory {
89    fn deref_mut(&mut self) -> &mut [u8] {
90        match self {
91            Self::LocalMemory(local) => local,
92            #[cfg(feature = "external")]
93            Self::SharedMemory(shared) => shared,
94        }
95    }
96}
97
98impl From<Vec<u8>> for FungibleMemory {
99    fn from(value: Vec<u8>) -> Self {
100        Self::LocalMemory(value)
101    }
102}
glycin_utils/memory/fungible.rs

glycin_utils/memory/
fungible.rs
