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Add methods to retrieve package sub-dependencies and configuration

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crazywhalecc
2026-02-03 10:59:37 +08:00
parent a2409d9c0f
commit 09ddd2fdd8
2 changed files with 196 additions and 0 deletions
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85
src/StaticPHP/Util/DependencyResolver.php
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@@ -55,6 +55,58 @@ class DependencyResolver
return $resolved;
}
/**
* Get all dependencies of a specific package within a resolved package set.
* This is useful when you need to get build flags for a specific library and its deps.
*
* The method will only include dependencies that exist in the resolved set,
* which properly handles optional dependencies (suggests) - only those that
* were actually resolved will be included.
*
* @param string $package_name The package to get dependencies for
* @param string[] $resolved_packages The resolved package list (from resolve())
* @param bool $include_suggests Whether to include suggests that are in resolved set
* @return string[] Dependencies of the package (NOT including itself), ordered for building
*/
public static function getSubDependencies(string $package_name, array $resolved_packages, bool $include_suggests = false): array
{
// Create a lookup set for O(1) membership check
$resolved_set = array_flip($resolved_packages);
// Verify the target package is in the resolved set
if (!isset($resolved_set[$package_name])) {
return [];
}
// Build dependency map from config
$dep_map = [];
foreach ($resolved_packages as $pkg) {
$dep_map[$pkg] = [
'depends' => PackageConfig::get($pkg, 'depends', []),
'suggests' => PackageConfig::get($pkg, 'suggests', []),
];
}
// Collect all sub-dependencies recursively (excluding the package itself)
$visited = [];
$sorted = [];
// Get dependencies to process for the target package
$deps = $dep_map[$package_name]['depends'] ?? [];
if ($include_suggests) {
$deps = array_merge($deps, $dep_map[$package_name]['suggests'] ?? []);
}
// Only visit dependencies that are in the resolved set
foreach ($deps as $dep) {
if (isset($resolved_set[$dep])) {
self::visitSubDeps($dep, $dep_map, $resolved_set, $include_suggests, $visited, $sorted);
}
}
return $sorted;
}
/**
* Build a reverse dependency map for the resolved packages.
* For each package that is depended upon, list which packages depend on it.
@@ -89,6 +141,39 @@ class DependencyResolver
return $why;
}
/**
* Recursive helper for getSubDependencies.
* Visits dependencies in topological order (dependencies first).
*/
private static function visitSubDeps(
string $pkg_name,
array $dep_map,
array $resolved_set,
bool $include_suggests,
array &$visited,
array &$sorted
): void {
if (isset($visited[$pkg_name])) {
return;
}
$visited[$pkg_name] = true;
// Get dependencies to process
$deps = $dep_map[$pkg_name]['depends'] ?? [];
if ($include_suggests) {
$deps = array_merge($deps, $dep_map[$pkg_name]['suggests'] ?? []);
}
// Only visit dependencies that are in the resolved set
foreach ($deps as $dep) {
if (isset($resolved_set[$dep])) {
self::visitSubDeps($dep, $dep_map, $resolved_set, $include_suggests, $visited, $sorted);
}
}
$sorted[] = $pkg_name;
}
/**
* Visitor pattern implementation for dependency resolution.
*