1use std::collections::HashMap;
2use std::fs;
3use std::path::{Path, PathBuf};
4
5use glob::glob;
6use serde::{Deserialize, Serialize};
7use thiserror::Error;
8
9#[derive(Debug, Error)]
10pub enum ConfigError {
11 #[error("I/O error reading configuration: {0}")]
12 Io(#[from] std::io::Error),
13
14 #[error("TOML syntax error: {0}")]
15 Toml(#[from] toml::de::Error),
16
17 #[error("Invalid glob pattern '{pattern}': {error}")]
18 GlobPattern {
19 pattern: String,
20 error: glob::PatternError,
21 },
22
23 #[error("Failed to read glob path: {0}")]
24 Glob(#[from] glob::GlobError),
25}
26
27#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
29pub struct WorkspaceManifest {
30 pub workspace: Option<WorkspaceSection>,
31 #[serde(default)]
32 pub generate: Vec<TargetConfig>,
33 pub codegen: Option<HashMap<String, CodegenTargetConfig>>,
34}
35
36#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
37pub struct WorkspaceSection {
38 pub name: Option<String>,
39 #[serde(default)]
40 pub schemas: Vec<String>,
41 pub include_dirs: Option<Vec<String>>,
42 pub output_base_dir: Option<String>,
43}
44
45#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
47pub struct TargetConfig {
48 pub target: String,
49 pub output: String,
50 pub enabled: Option<bool>,
51 pub backend: Option<String>,
52 pub package: Option<String>,
53 pub namespace: Option<String>,
54 pub strict_facets: Option<bool>,
55 pub slots: Option<bool>,
56 pub kw_only: Option<bool>,
57 pub zero_copy: Option<bool>,
58 pub codecs: Option<bool>,
59 pub standard: Option<String>,
60 pub derive_traits: Option<Vec<String>>,
61 pub box_cycles: Option<bool>,
62 pub modules: Option<bool>,
63 pub serializer: Option<String>,
64 pub zod: Option<bool>,
65}
66
67#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
68pub struct CodegenTargetConfig {
69 pub enabled: Option<bool>,
70 pub output: Option<String>,
71 pub backend: Option<String>,
72 pub package: Option<String>,
73 pub namespace: Option<String>,
74 pub strict_facets: Option<bool>,
75 pub slots: Option<bool>,
76 pub kw_only: Option<bool>,
77 pub zero_copy: Option<bool>,
78 pub codecs: Option<bool>,
79 pub standard: Option<String>,
80 pub derive_traits: Option<Vec<String>>,
81 pub box_cycles: Option<bool>,
82 pub modules: Option<bool>,
83 pub serializer: Option<String>,
84 pub zod: Option<bool>,
85}
86
87impl std::str::FromStr for WorkspaceManifest {
88 type Err = ConfigError;
89
90 fn from_str(toml_str: &str) -> Result<Self, Self::Err> {
91 let manifest: WorkspaceManifest = toml::from_str(toml_str)?;
92 Ok(manifest)
93 }
94}
95
96impl WorkspaceManifest {
97 pub fn from_file(path: impl AsRef<Path>) -> Result<Self, ConfigError> {
98 let content = fs::read_to_string(path)?;
99 content.parse()
100 }
101
102 pub fn resolved_targets(&self) -> Vec<TargetConfig> {
105 let mut targets = Vec::new();
106
107 for gen in &self.generate {
109 if gen.enabled.unwrap_or(true) {
110 targets.push(gen.clone());
111 }
112 }
113
114 if let Some(ref codegen_map) = self.codegen {
116 for (lang, cfg) in codegen_map {
117 if cfg.enabled.unwrap_or(true) {
118 let output = cfg
119 .output
120 .clone()
121 .unwrap_or_else(|| format!("generated/{}", lang));
122
123 targets.push(TargetConfig {
124 target: lang.clone(),
125 output,
126 enabled: cfg.enabled,
127 backend: cfg.backend.clone(),
128 package: cfg.package.clone(),
129 namespace: cfg.namespace.clone(),
130 strict_facets: cfg.strict_facets,
131 slots: cfg.slots,
132 kw_only: cfg.kw_only,
133 zero_copy: cfg.zero_copy,
134 codecs: cfg.codecs,
135 standard: cfg.standard.clone(),
136 derive_traits: cfg.derive_traits.clone(),
137 box_cycles: cfg.box_cycles,
138 modules: cfg.modules,
139 serializer: cfg.serializer.clone(),
140 zod: cfg.zod,
141 });
142 }
143 }
144 }
145
146 targets
147 }
148
149 pub fn expand_schemas(&self, base_dir: &Path) -> Result<Vec<PathBuf>, ConfigError> {
151 let mut paths = Vec::new();
152
153 let Some(ref ws) = self.workspace else {
154 return Ok(paths);
155 };
156
157 for pattern in &ws.schemas {
158 let full_pattern = if Path::new(pattern).is_absolute() {
159 pattern.clone()
160 } else {
161 base_dir.join(pattern).to_string_lossy().to_string()
162 };
163
164 let entries = glob(&full_pattern).map_err(|e| ConfigError::GlobPattern {
165 pattern: full_pattern.clone(),
166 error: e,
167 })?;
168
169 for entry in entries {
170 let path = entry?;
171 if path.is_file() {
172 paths.push(path);
173 }
174 }
175 }
176
177 paths.sort();
178 paths.dedup();
179 Ok(paths)
180 }
181}