mirror of
https://github.com/dexoron/dcr.git
synced 2026-10-21 15:20:51 +00:00
Added:
- Custom build flags: `build.cflags` and `build.ldflags` - Recursive source discovery inside `src/` - Path dependencies with auto include/lib resolution and `dcr.lock` generation (experimental) - Add docs/index.md and docs/dcr-toml.md
This commit is contained in:
353
src/core/deps.rs
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353
src/core/deps.rs
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@@ -0,0 +1,353 @@
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use crate::core::config::Config;
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use sha2::{Digest, Sha256};
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use std::fs;
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use std::path::{Path, PathBuf};
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use toml::Value;
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#[derive(Debug, Clone)]
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pub struct DepSpec {
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pub name: String,
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pub path_raw: String,
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pub include_raw: Option<Vec<String>>,
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pub lib_raw: Option<Vec<String>>,
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pub libs_raw: Option<Vec<String>>,
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}
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#[derive(Debug, Clone)]
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pub struct ResolvedDeps {
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pub include_dirs: Vec<String>,
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pub lib_dirs: Vec<String>,
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pub libs: Vec<String>,
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}
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pub fn resolve_deps(
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config: &Config,
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profile: &str,
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project_root: &Path,
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) -> Result<ResolvedDeps, String> {
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let project_name = config
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.get("package.name")
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.and_then(|v| v.as_str())
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.unwrap_or("")
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.to_string();
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let project_version = config
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.get("package.version")
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.and_then(|v| v.as_str())
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.unwrap_or("")
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.to_string();
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let deps = parse_dependencies(config)?;
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if deps.is_empty() {
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return Ok(ResolvedDeps {
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include_dirs: Vec::new(),
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lib_dirs: Vec::new(),
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libs: Vec::new(),
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});
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}
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let mut include_dirs = Vec::new();
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let mut lib_dirs = Vec::new();
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let mut libs = Vec::new();
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let mut lock_packages = Vec::new();
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for dep in deps {
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let dep_path = resolve_path(project_root, &dep.path_raw)?;
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if !dep_path.is_dir() {
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return Err(format!(
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"Dependency '{}' path is not a directory: {}",
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dep.name,
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dep_path.display()
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));
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}
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let include = resolve_paths(&dep_path, dep.include_raw.as_deref(), &["include"])?;
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let lib = resolve_paths(&dep_path, dep.lib_raw.as_deref(), &["lib", "lib64"])?;
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let libs_list = dep
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.libs_raw
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.clone()
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.unwrap_or_else(|| vec![dep.name.clone()]);
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if include.is_empty() || lib.is_empty() {
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return Err(format!(
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"Dependency '{}' missing include/lib dirs. Add include/lib in dcr.toml.",
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dep.name
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));
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}
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include_dirs.extend(include.iter().map(|p| p.to_string_lossy().to_string()));
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lib_dirs.extend(lib.iter().map(|p| p.to_string_lossy().to_string()));
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libs.extend(libs_list.iter().cloned());
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let dep_cache = project_root
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.join("target")
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.join(profile)
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.join("deps")
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.join(&dep.name);
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sync_dep_dir(&dep_path, &dep_cache)
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.map_err(|err| format!("Failed to sync dep {}: {err}", dep.name))?;
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let dep_version = read_dep_version(&dep_path).unwrap_or_else(|| "0.0.0".to_string());
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let dep_checksum = compute_checksum(&dep_path)
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.map_err(|err| format!("Failed to hash dep {}: {err}", dep.name))?;
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lock_packages.push(DepLock {
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name: dep.name.clone(),
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version: dep_version,
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checksum: dep_checksum,
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source: format!("path+{}", dep.path_raw),
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});
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}
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write_lock(
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project_root,
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&project_name,
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&project_version,
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&lock_packages,
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)?;
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Ok(ResolvedDeps {
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include_dirs,
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lib_dirs,
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libs,
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})
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}
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#[derive(Debug, Clone)]
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struct DepLock {
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name: String,
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version: String,
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checksum: String,
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source: String,
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}
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fn parse_dependencies(config: &Config) -> Result<Vec<DepSpec>, String> {
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let deps_val = match config.get("dependencies") {
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Some(v) => v,
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None => return Ok(Vec::new()),
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};
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let deps_table = deps_val
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.as_table()
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.ok_or_else(|| "dependencies is not a table".to_string())?;
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let mut deps = Vec::new();
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for (name, value) in deps_table {
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match value {
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Value::Table(tbl) => {
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if tbl.get("system").and_then(|v| v.as_bool()).unwrap_or(false) {
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return Err(format!(
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"Dependency '{}' uses system=true, which is not supported yet",
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name
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));
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}
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let path = tbl
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.get("path")
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.and_then(|v| v.as_str())
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.ok_or_else(|| format!("Dependency '{}' missing path", name))?
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.to_string();
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let include = parse_string_list(tbl.get("include"), name, "include")?;
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let lib = parse_string_list(tbl.get("lib"), name, "lib")?;
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let libs = parse_string_list(tbl.get("libs"), name, "libs")?;
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deps.push(DepSpec {
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name: name.to_string(),
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path_raw: path,
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include_raw: include,
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lib_raw: lib,
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libs_raw: libs,
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});
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}
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_ => {
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return Err(format!(
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"Dependency '{}' must be a table with path/include/lib",
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name
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));
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}
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}
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}
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deps.sort_by(|a, b| a.name.cmp(&b.name));
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Ok(deps)
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}
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fn parse_string_list(
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value: Option<&Value>,
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dep_name: &str,
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key: &str,
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) -> Result<Option<Vec<String>>, String> {
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let Some(value) = value else { return Ok(None) };
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let list = value.as_array().ok_or_else(|| {
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format!(
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"Dependency '{}' field '{}' must be an array of strings",
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dep_name, key
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)
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})?;
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let mut out = Vec::new();
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for item in list {
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let s = item
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.as_str()
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.ok_or_else(|| format!("Dependency '{}' field '{}' must be strings", dep_name, key))?;
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out.push(s.to_string());
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}
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Ok(Some(out))
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}
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fn resolve_path(project_root: &Path, raw: &str) -> Result<PathBuf, String> {
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let p = Path::new(raw);
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let full = if p.is_absolute() {
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p.to_path_buf()
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} else {
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project_root.join(p)
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};
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Ok(full)
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}
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fn resolve_paths(
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base: &Path,
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raw: Option<&[String]>,
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defaults: &[&str],
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) -> Result<Vec<PathBuf>, String> {
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let mut out = Vec::new();
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if let Some(raw) = raw {
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for r in raw {
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let p = Path::new(r);
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let full = if p.is_absolute() {
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p.to_path_buf()
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} else {
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base.join(p)
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};
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if !full.exists() {
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return Err(format!("Path does not exist: {}", full.display()));
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}
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out.push(full);
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}
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return Ok(out);
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}
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for d in defaults {
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let candidate = base.join(d);
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if candidate.exists() {
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out.push(candidate);
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}
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}
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Ok(out)
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}
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fn sync_dep_dir(src: &Path, dst: &Path) -> std::io::Result<()> {
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if dst.exists() {
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fs::remove_dir_all(dst)?;
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}
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copy_dir_all(src, dst)
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}
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fn copy_dir_all(src: &Path, dst: &Path) -> std::io::Result<()> {
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fs::create_dir_all(dst)?;
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for entry in fs::read_dir(src)? {
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let entry = entry?;
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let ty = entry.file_type()?;
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let from = entry.path();
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let to = dst.join(entry.file_name());
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if ty.is_dir() {
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copy_dir_all(&from, &to)?;
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} else {
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fs::copy(&from, &to)?;
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}
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}
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Ok(())
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}
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fn write_lock(
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project_root: &Path,
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project_name: &str,
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project_version: &str,
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packages: &[DepLock],
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) -> Result<(), String> {
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let mut out = String::new();
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if !packages.is_empty() {
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out.push_str("[[package]]\n");
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out.push_str(&format!("name = \"{}\"\n", escape_value(project_name)));
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out.push_str(&format!(
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"version = \"{}\"\n",
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escape_value(project_version)
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));
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out.push_str(&format!(
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"dependencies = [{}]\n\n",
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quote_list(&packages.iter().map(|p| p.name.clone()).collect::<Vec<_>>())
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));
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}
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for pkg in packages {
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out.push_str("[[package]]\n");
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out.push_str(&format!("name = \"{}\"\n", escape_value(&pkg.name)));
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out.push_str(&format!("version = \"{}\"\n", escape_value(&pkg.version)));
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out.push_str(&format!("source = \"{}\"\n", escape_value(&pkg.source)));
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out.push_str(&format!("checksum = \"{}\"\n", escape_value(&pkg.checksum)));
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out.push('\n');
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}
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fs::write(project_root.join("dcr.lock"), out)
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.map_err(|err| format!("Failed to write dcr.lock: {err}"))?;
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Ok(())
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}
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fn quote_list(items: &[String]) -> String {
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items
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.iter()
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.map(|s| format!("\"{}\"", escape_value(s)))
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.collect::<Vec<_>>()
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.join(", ")
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}
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fn escape_value(input: &str) -> String {
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input.replace('\\', "\\\\").replace('"', "\\\"")
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}
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fn read_dep_version(dep_path: &Path) -> Option<String> {
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let path = dep_path.join("dcr.toml");
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let content = fs::read_to_string(path).ok()?;
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let value: Value = content.parse().ok()?;
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value
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.get("package")
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.and_then(|v| v.as_table())
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.and_then(|t| t.get("version"))
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.and_then(|v| v.as_str())
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.map(|s| s.to_string())
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}
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fn compute_checksum(root: &Path) -> Result<String, String> {
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let mut files = Vec::new();
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collect_files(root, root, &mut files)?;
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files.sort();
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let mut hasher = Sha256::new();
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for rel in files {
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hasher.update(rel.as_bytes());
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let data =
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fs::read(root.join(&rel)).map_err(|err| format!("failed to read {}: {err}", rel))?;
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hasher.update(&data);
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}
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let hash = hasher.finalize();
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Ok(to_hex(&hash))
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}
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fn collect_files(root: &Path, dir: &Path, out: &mut Vec<String>) -> Result<(), String> {
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for entry in fs::read_dir(dir).map_err(|err| format!("read_dir failed: {err}"))? {
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let entry = entry.map_err(|err| format!("read_dir failed: {err}"))?;
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let path = entry.path();
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let name = entry.file_name();
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let name_str = name.to_string_lossy();
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if name_str == "target" {
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continue;
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}
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if path.is_dir() {
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collect_files(root, &path, out)?;
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} else if path.is_file() {
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let rel = path
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.strip_prefix(root)
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.unwrap_or(&path)
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.to_string_lossy()
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.to_string();
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out.push(rel);
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}
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}
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Ok(())
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}
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fn to_hex(bytes: &[u8]) -> String {
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let mut out = String::with_capacity(bytes.len() * 2);
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for b in bytes {
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out.push_str(&format!("{:02x}", b));
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}
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out
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}
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