Initial commit

internal/dependencies/parser.go

@@ -0,0 +1,51 @@
+package dependencies
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+// parseCompositeActionFromFile reads and parses a composite action file.
+func (a *Analyzer) parseCompositeActionFromFile(actionPath string) (*ActionWithComposite, error) {
+	// Read the file
+	data, err := os.ReadFile(actionPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read action file %s: %w", actionPath, err)
+	}
+
+	// Parse YAML
+	var action ActionWithComposite
+	if err := yaml.Unmarshal(data, &action); err != nil {
+		return nil, fmt.Errorf("failed to parse YAML: %w", err)
+	}
+
+	return &action, nil
+}
+
+// parseCompositeAction parses an action.yml file with composite action support.
+func (a *Analyzer) parseCompositeAction(actionPath string) (*ActionWithComposite, error) {
+	// Use the real file parser
+	action, err := a.parseCompositeActionFromFile(actionPath)
+	if err != nil {
+		return nil, err
+	}
+
+	// If this is not a composite action, return empty steps
+	if action.Runs.Using != compositeUsing {
+		action.Runs.Steps = []CompositeStep{}
+	}
+
+	return action, nil
+}
+
+// IsCompositeAction checks if an action file defines a composite action.
+func IsCompositeAction(actionPath string) (bool, error) {
+	action, err := (&Analyzer{}).parseCompositeActionFromFile(actionPath)
+	if err != nil {
+		return false, err
+	}
+
+	return action.Runs.Using == compositeUsing, nil
+}