Initial commit

internal/parser.go

@@ -0,0 +1,100 @@
+package internal
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"gopkg.in/yaml.v3"
+)
+
+// ActionYML models the action.yml metadata (fields are updateable as schema evolves).
+type ActionYML struct {
+	Name        string                  `yaml:"name"`
+	Description string                  `yaml:"description"`
+	Inputs      map[string]ActionInput  `yaml:"inputs"`
+	Outputs     map[string]ActionOutput `yaml:"outputs"`
+	Runs        map[string]any          `yaml:"runs"`
+	Branding    *Branding               `yaml:"branding,omitempty"`
+	// Add more fields as the schema evolves
+}
+
+// ActionInput represents an input parameter for a GitHub Action.
+type ActionInput struct {
+	Description string `yaml:"description"`
+	Required    bool   `yaml:"required"`
+	Default     any    `yaml:"default"`
+}
+
+// ActionOutput represents an output parameter for a GitHub Action.
+type ActionOutput struct {
+	Description string `yaml:"description"`
+}
+
+// Branding represents the branding configuration for a GitHub Action.
+type Branding struct {
+	Icon  string `yaml:"icon"`
+	Color string `yaml:"color"`
+}
+
+// ParseActionYML reads and parses action.yml from given path.
+func ParseActionYML(path string) (*ActionYML, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		_ = f.Close() // Ignore close error in defer
+	}()
+	var a ActionYML
+	dec := yaml.NewDecoder(f)
+	if err := dec.Decode(&a); err != nil {
+		return nil, err
+	}
+	return &a, nil
+}
+
+// DiscoverActionFiles finds action.yml and action.yaml files in the given directory.
+// This consolidates the file discovery logic from both generator.go and dependencies/parser.go.
+func DiscoverActionFiles(dir string, recursive bool) ([]string, error) {
+	var actionFiles []string
+
+	// Check if dir exists
+	if _, err := os.Stat(dir); os.IsNotExist(err) {
+		return nil, fmt.Errorf("directory does not exist: %s", dir)
+	}
+
+	if recursive {
+		err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+			if err != nil {
+				return err
+			}
+
+			if info.IsDir() {
+				return nil
+			}
+
+			// Check for action.yml or action.yaml files
+			filename := strings.ToLower(info.Name())
+			if filename == "action.yml" || filename == "action.yaml" {
+				actionFiles = append(actionFiles, path)
+			}
+
+			return nil
+		})
+		if err != nil {
+			return nil, fmt.Errorf("failed to walk directory %s: %w", dir, err)
+		}
+	} else {
+		// Check only the specified directory
+		for _, filename := range []string{"action.yml", "action.yaml"} {
+			path := filepath.Join(dir, filename)
+			if _, err := os.Stat(path); err == nil {
+				actionFiles = append(actionFiles, path)
+			}
+		}
+	}
+
+	return actionFiles, nil
+}