protoflow_blocks/blocks/
hash.rs

1// This is free and unencumbered software released into the public domain.
2
3#[cfg(not(feature = "hash"))]
4pub mod hash {
5    pub trait HashBlocks {}
6    pub enum HashBlockConfig {}
7}
8
9#[cfg(feature = "hash")]
10pub mod hash {
11    use super::{
12        prelude::{vec, Box, Cow, Named, Vec},
13        types::HashAlgorithm,
14        BlockConnections, BlockInstantiation, InputPortName, OutputPortName, System,
15    };
16    use protoflow_core::Block;
17
18    pub trait HashBlocks {
19        fn hash_blake3(&mut self) -> Hash;
20    }
21
22    #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
23    #[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
24    pub enum HashBlockTag {
25        Hash,
26    }
27
28    #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
29    #[derive(Clone, Debug)]
30    pub enum HashBlockConfig {
31        Hash {
32            input: InputPortName,
33            output: Option<OutputPortName>,
34            hash: OutputPortName,
35            algorithm: Option<HashAlgorithm>,
36        },
37    }
38
39    impl Named for HashBlockConfig {
40        fn name(&self) -> Cow<str> {
41            use HashBlockConfig::*;
42            Cow::Borrowed(match self {
43                Hash { .. } => "Hash",
44            })
45        }
46    }
47
48    impl BlockConnections for HashBlockConfig {
49        fn output_connections(&self) -> Vec<(&'static str, Option<OutputPortName>)> {
50            use HashBlockConfig::*;
51            match self {
52                Hash { output, hash, .. } => {
53                    vec![("output", output.clone()), ("hash", Some(hash.clone()))]
54                }
55            }
56        }
57    }
58
59    impl BlockInstantiation for HashBlockConfig {
60        fn instantiate(&self, system: &mut System) -> Box<dyn Block> {
61            use HashBlockConfig::*;
62            match self {
63                Hash { algorithm, .. } => Box::new(super::Hash::with_system(system, *algorithm)),
64            }
65        }
66    }
67
68    mod hash;
69    pub use hash::*;
70}
71
72pub use hash::*;