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    pub custom_header: Option<String>,
44}
45
46/// Target configuration from either `[[generate]]` or `[codegen.<target>]`.
47#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
48pub struct TargetConfig {
49    pub target: String,
50    pub output: String,
51    pub enabled: Option<bool>,
52    pub backend: Option<String>,
53    pub package: Option<String>,
54    pub namespace: Option<String>,
55    pub strict_facets: Option<bool>,
56    pub slots: Option<bool>,
57    pub kw_only: Option<bool>,
58    pub zero_copy: Option<bool>,
59    pub codecs: Option<bool>,
60    pub standard: Option<String>,
61    pub derive_traits: Option<Vec<String>>,
62    pub box_cycles: Option<bool>,
63    pub modules: Option<bool>,
64    pub mode: Option<String>,
65    pub serializer: Option<String>,
66    pub zod: Option<bool>,
67    pub source_gen: Option<bool>,
68    pub record_kind: Option<String>,
69    pub style: Option<String>,
70    pub builder: Option<bool>,
71    pub codec: Option<String>,
72    pub rkyv: Option<bool>,
73    pub custom_header: Option<String>,
74}
75
76#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
77pub struct CodegenTargetConfig {
78    pub enabled: Option<bool>,
79    pub output: Option<String>,
80    pub backend: Option<String>,
81    pub package: Option<String>,
82    pub namespace: Option<String>,
83    pub strict_facets: Option<bool>,
84    pub slots: Option<bool>,
85    pub kw_only: Option<bool>,
86    pub zero_copy: Option<bool>,
87    pub codecs: Option<bool>,
88    pub standard: Option<String>,
89    pub derive_traits: Option<Vec<String>>,
90    pub box_cycles: Option<bool>,
91    pub modules: Option<bool>,
92    pub mode: Option<String>,
93    pub serializer: Option<String>,
94    pub zod: Option<bool>,
95    pub source_gen: Option<bool>,
96    pub record_kind: Option<String>,
97    pub style: Option<String>,
98    pub builder: Option<bool>,
99    pub codec: Option<String>,
100    pub rkyv: Option<bool>,
101    pub custom_header: Option<String>,
102}
103
104impl std::str::FromStr for WorkspaceManifest {
105    type Err = ConfigError;
106
107    fn from_str(toml_str: &str) -> Result<Self, Self::Err> {
108        let manifest: WorkspaceManifest = toml::from_str(toml_str)?;
109        Ok(manifest)
110    }
111}
112
113impl WorkspaceManifest {
114    pub fn from_file(path: impl AsRef<Path>) -> Result<Self, ConfigError> {
115        let content = fs::read_to_string(path)?;
116        content.parse()
117    }
118
119    /// Retrieve all configured target configurations, combining `[[generate]]`
120    /// and `[codegen.<target>]` definitions.
121    pub fn resolved_targets(&self) -> Vec<TargetConfig> {
122        let mut targets = Vec::new();
123
124        let ws_header = self
125            .workspace
126            .as_ref()
127            .and_then(|w| w.custom_header.clone());
128
129        // 1. Array of tables [[generate]]
130        for gen in &self.generate {
131            if gen.enabled.unwrap_or(true) {
132                let mut target = gen.clone();
133                if target.custom_header.is_none() {
134                    target.custom_header = ws_header.clone();
135                }
136                targets.push(target);
137            }
138        }
139
140        // 2. Table-based [codegen.<lang>]
141        if let Some(ref codegen_map) = self.codegen {
142            for (lang, cfg) in codegen_map {
143                if cfg.enabled.unwrap_or(true) {
144                    let output = cfg
145                        .output
146                        .clone()
147                        .unwrap_or_else(|| format!("generated/{}", lang));
148
149                    targets.push(TargetConfig {
150                        target: lang.clone(),
151                        output,
152                        enabled: cfg.enabled,
153                        backend: cfg.backend.clone(),
154                        package: cfg.package.clone(),
155                        namespace: cfg.namespace.clone(),
156                        strict_facets: cfg.strict_facets,
157                        slots: cfg.slots,
158                        kw_only: cfg.kw_only,
159                        zero_copy: cfg.zero_copy,
160                        codecs: cfg.codecs,
161                        standard: cfg.standard.clone(),
162                        derive_traits: cfg.derive_traits.clone(),
163                        box_cycles: cfg.box_cycles,
164                        modules: cfg.modules,
165                        mode: cfg.mode.clone(),
166                        serializer: cfg.serializer.clone(),
167                        zod: cfg.zod,
168                        source_gen: cfg.source_gen,
169                        record_kind: cfg.record_kind.clone(),
170                        style: cfg.style.clone(),
171                        builder: cfg.builder,
172                        codec: cfg.codec.clone(),
173                        rkyv: cfg.rkyv,
174                        custom_header: cfg.custom_header.clone().or_else(|| ws_header.clone()),
175                    });
176                }
177            }
178        }
179
180        targets
181    }
182
183    /// Expand all schema glob patterns in `workspace.schemas` relative to base directory.
184    pub fn expand_schemas(&self, base_dir: &Path) -> Result<Vec<PathBuf>, ConfigError> {
185        let mut paths = Vec::new();
186
187        let Some(ref ws) = self.workspace else {
188            return Ok(paths);
189        };
190
191        for pattern in &ws.schemas {
192            let full_pattern = if Path::new(pattern).is_absolute() {
193                pattern.clone()
194            } else {
195                base_dir.join(pattern).to_string_lossy().to_string()
196            };
197
198            let entries = glob(&full_pattern).map_err(|e| ConfigError::GlobPattern {
199                pattern: full_pattern.clone(),
200                error: e,
201            })?;
202
203            for entry in entries {
204                let path = entry?;
205                if path.is_file() {
206                    paths.push(path);
207                }
208            }
209        }
210
211        paths.sort();
212        paths.dedup();
213        Ok(paths)
214    }
215}
polyxml_cli/config.rs

polyxml_cli/
config.rs
