panproto-schema 0.5.0

Schema representation for panproto
Documentation

panproto-schema

Schema representation for panproto.

A schema is a model of a protocol's schema theory GAT (from panproto-gat). This crate provides the core schema data structure with precomputed adjacency indices, a fluent builder for constructing schemas, and validation against protocol rules.

API

Item Description
Schema Core schema graph with vertices, edges, hyper-edges, and constraints
Vertex A node in the schema graph (id, kind, optional NSID)
Edge A directed edge between vertices (src, tgt, kind, name)
HyperEdge Multi-target edge for union/intersection types
Constraint Schema-level constraint (e.g., cardinality, uniqueness)
SchemaBuilder Fluent, protocol-aware builder with per-element validation
Protocol / EdgeRule Protocol configuration describing allowed schema structure
normalize Collapse ref-chains in schemas with Ref vertices
validate Post-hoc validation of a schema against a protocol
SchemaError / ValidationError Error types

Example

use panproto_schema::{SchemaBuilder, Protocol};

let protocol = Protocol { /* ... */ };
let schema = SchemaBuilder::new(&protocol)
    .vertex("user", "object")
    .vertex("user.name", "string")
    .edge("user", "user.name", "prop", Some("name"))
    .build()?;

License

MIT