icydb_model/base/validator/
hash.rs

1//! Module: base::validator::hash
2//!
3//! Responsibility: base validator definitions.
4//! Does not own: normalization policy, persistence, or schema mutation semantics.
5//! Boundary: reports typed visitor issues for facade schema values.
6
7use crate::{prelude::*, visitor::Validator};
8
9///
10/// Sha256
11///
12/// Validates canonical SHA-256 hex digests.
13/// Accepted values are exactly 64 ASCII hexadecimal characters.
14///
15
16#[validator]
17pub struct Sha256;
18
19impl Validator<str> for Sha256 {
20    fn validate(&self, s: &str, ctx: &mut dyn VisitorContext) {
21        // length check
22        if s.len() != 64 {
23            ctx.issue(format!("SHA-256 hex digest length {} must be 64", s.len()));
24            return;
25        }
26
27        // hex characters
28        if !s.chars().all(|c| c.is_ascii_hexdigit()) {
29            ctx.issue("SHA-256 digest must contain only hexadecimal characters");
30        }
31    }
32}
icydb_model/base/validator/hash.rs

icydb_model/base/validator/
hash.rs
