polyxml_cli/
config.rs

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/// The top-level `polyxml.toml` workspace manifest.
28#[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/// Target configuration from either `[[generate]]` or `[codegen.<target>]`.
46#[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 mode: Option<String>,
64    pub serializer: Option<String>,
65    pub zod: Option<bool>,
66    pub source_gen: Option<bool>,
67    pub record_kind: Option<String>,
68    pub rkyv: Option<bool>,
69}
70
71#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
72pub struct CodegenTargetConfig {
73    pub enabled: Option<bool>,
74    pub output: Option<String>,
75    pub backend: Option<String>,
76    pub package: Option<String>,
77    pub namespace: Option<String>,
78    pub strict_facets: Option<bool>,
79    pub slots: Option<bool>,
80    pub kw_only: Option<bool>,
81    pub zero_copy: Option<bool>,
82    pub codecs: Option<bool>,
83    pub standard: Option<String>,
84    pub derive_traits: Option<Vec<String>>,
85    pub box_cycles: Option<bool>,
86    pub modules: Option<bool>,
87    pub mode: Option<String>,
88    pub serializer: Option<String>,
89    pub zod: Option<bool>,
90    pub source_gen: Option<bool>,
91    pub record_kind: Option<String>,
92    pub rkyv: Option<bool>,
93}
94
95impl std::str::FromStr for WorkspaceManifest {
96    type Err = ConfigError;
97
98    fn from_str(toml_str: &str) -> Result<Self, Self::Err> {
99        let manifest: WorkspaceManifest = toml::from_str(toml_str)?;
100        Ok(manifest)
101    }
102}
103
104impl WorkspaceManifest {
105    pub fn from_file(path: impl AsRef<Path>) -> Result<Self, ConfigError> {
106        let content = fs::read_to_string(path)?;
107        content.parse()
108    }
109
110    /// Retrieve all configured target configurations, combining `[[generate]]`
111    /// and `[codegen.<target>]` definitions.
112    pub fn resolved_targets(&self) -> Vec<TargetConfig> {
113        let mut targets = Vec::new();
114
115        // 1. Array of tables [[generate]]
116        for gen in &self.generate {
117            if gen.enabled.unwrap_or(true) {
118                targets.push(gen.clone());
119            }
120        }
121
122        // 2. Table-based [codegen.<lang>]
123        if let Some(ref codegen_map) = self.codegen {
124            for (lang, cfg) in codegen_map {
125                if cfg.enabled.unwrap_or(true) {
126                    let output = cfg
127                        .output
128                        .clone()
129                        .unwrap_or_else(|| format!("generated/{}", lang));
130
131                    targets.push(TargetConfig {
132                        target: lang.clone(),
133                        output,
134                        enabled: cfg.enabled,
135                        backend: cfg.backend.clone(),
136                        package: cfg.package.clone(),
137                        namespace: cfg.namespace.clone(),
138                        strict_facets: cfg.strict_facets,
139                        slots: cfg.slots,
140                        kw_only: cfg.kw_only,
141                        zero_copy: cfg.zero_copy,
142                        codecs: cfg.codecs,
143                        standard: cfg.standard.clone(),
144                        derive_traits: cfg.derive_traits.clone(),
145                        box_cycles: cfg.box_cycles,
146                        modules: cfg.modules,
147                        mode: cfg.mode.clone(),
148                        serializer: cfg.serializer.clone(),
149                        zod: cfg.zod,
150                        source_gen: cfg.source_gen,
151                        record_kind: cfg.record_kind.clone(),
152                        rkyv: cfg.rkyv,
153                    });
154                }
155            }
156        }
157
158        targets
159    }
160
161    /// Expand all schema glob patterns in `workspace.schemas` relative to base directory.
162    pub fn expand_schemas(&self, base_dir: &Path) -> Result<Vec<PathBuf>, ConfigError> {
163        let mut paths = Vec::new();
164
165        let Some(ref ws) = self.workspace else {
166            return Ok(paths);
167        };
168
169        for pattern in &ws.schemas {
170            let full_pattern = if Path::new(pattern).is_absolute() {
171                pattern.clone()
172            } else {
173                base_dir.join(pattern).to_string_lossy().to_string()
174            };
175
176            let entries = glob(&full_pattern).map_err(|e| ConfigError::GlobPattern {
177                pattern: full_pattern.clone(),
178                error: e,
179            })?;
180
181            for entry in entries {
182                let path = entry?;
183                if path.is_file() {
184                    paths.push(path);
185                }
186            }
187        }
188
189        paths.sort();
190        paths.dedup();
191        Ok(paths)
192    }
193}
polyxml_cli/config.rs

polyxml_cli/
config.rs
