espforge_lib/parse/
components.rs1use crate::parse::EspforgeConfiguration;
2use crate::parse::processor::SectionProcessor;
3use anyhow::{Context, Result, bail};
4use espforge_codegen::{dependency::DependencyKind, registry::find_plugin};
5use espforge_configuration::{components::Component, hardware::Esp32Config};
6use serde_yaml_ng::Value;
7use std::collections::HashMap;
8
9pub struct ComponentProvisioner;
10
11impl SectionProcessor for ComponentProvisioner {
12 fn section_key(&self) -> &'static str {
13 "components"
14 }
15
16 fn priority(&self) -> u32 {
17 200
18 }
19
20 fn process(&self, content: &Value, model: &mut EspforgeConfiguration) -> Result<()> {
21 let components: HashMap<String, Component> = serde_yaml_ng::from_value(content.clone())
22 .context("Failed to deserialize components")?;
23
24 for _spec in components.values() {
25 if let Some(esp32) = &model.esp32 {
27 self.validate(&components, esp32)?;
28 }
29 }
30
31 model.components.extend(components);
32 println!("✓ {} components provisioned", model.components.len());
33 Ok(())
34 }
35}
36
37impl ComponentProvisioner {
38 fn validate(&self, components: &HashMap<String, Component>, esp32: &Esp32Config) -> Result<()> {
39 for (name, spec) in components {
40 let plugin = find_plugin(&spec.driver).ok_or_else(|| {
41 anyhow::anyhow!("Unknown driver '{}' for component '{}'", spec.driver, name)
42 })?;
43
44 plugin
46 .validate(&spec.properties)
47 .with_context(|| format!("Validation failed for component '{}'", name))?;
48
49 let deps = plugin.dependencies(&spec.properties)?;
51 for dep in deps {
52 if dep.kind == DependencyKind::Pin || dep.kind == DependencyKind::Peripheral {
53 let res_name = dep.name.strip_prefix('$').unwrap_or(&dep.name);
54
55 if !Self::hardware_exists(esp32, res_name) {
57 bail!(
58 "Component '{}' references unknown hardware resource '{}'",
59 name,
60 res_name
61 );
62 }
63 }
64 }
65 }
66 Ok(())
67 }
68
69 fn hardware_exists(esp32: &Esp32Config, name: &str) -> bool {
70 esp32.gpio.contains_key(name)
71 || esp32.spi.contains_key(name)
72 || esp32.i2c.contains_key(name)
73 || esp32.uart.contains_key(name)
74 }
75}