Started plugin interface crate

Cargo.toml

@@ -5,4 +5,5 @@ resolver = "3"
 members = [
     "zssg",
     "zssg-plugin",
+    "zssg-plugin-interface",
 ]

zssg-plugin-interface/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "zssg-plugin-interface"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+facet = "0.27.0"
+toml = "0.8.22"

zssg-plugin-interface/src/description.rs

@@ -0,0 +1,29 @@
+
+pub struct PluginDescription {
+    pub name: String,
+    pub template_engines: Vec<TemplateEngineDescription>,
+    pub markup_engines: Vec<MarkupEngineDescription>,
+    pub page_data_sources: Vec<PageDataSource>,
+    pub rendered_page_sources: Vec<RenderedArtefactSource>,
+}
+
+pub struct TemplateEngineDescription {
+    pub name: String,
+    pub filename_patterns: Vec<String>,
+}
+
+pub struct MarkupEngineDescription {
+    pub name: String,
+    pub filename_patterns: Vec<String>,
+}
+
+pub struct PageDataSource {
+    pub name: String,
+    pub order: Option<u32>,
+}
+
+pub struct RenderedArtefactSource {
+    pub name: String,
+    pub order: Option<u32>,
+}
+

zssg-plugin-interface/src/lib.rs

@@ -0,0 +1,21 @@
+pub mod description;
+pub mod template_engine;
+
+use std::collections::BTreeMap;
+
+pub enum ConfigValue {
+    String(String),
+    Integer(i64),
+    Float(f64),
+    Boolean(bool),
+    Array(Array),
+    Table(Table),
+}
+
+pub type Array = Vec<ConfigValue>;
+pub type Table = BTreeMap<String, ConfigValue>;
+
+pub struct PluginConfig {
+    pub wasi_enabled: bool,
+    pub config: toml::Table,
+}

zssg-plugin-interface/src/template_engine.rs

@@ -0,0 +1,16 @@
+use std::path::PathBuf;
+
+pub struct TemplateRenderRequest {
+    pub source: String,
+    pub path: PathBuf,
+    pub front_matter: (),
+}
+
+pub enum TemplateRenderResponse {
+    Success {
+        rendered: String
+    },
+    Failure {
+        error: String,
+    },
+}