first commit

internal/quality/languages.go

@@ -0,0 +1,176 @@
+package quality
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// LanguageConfig represents configuration for a programming language
+type LanguageConfig struct {
+	Name        string   `json:"name"`
+	Extensions  []string `json:"extensions"`
+	MarkerFiles []string `json:"marker_files"`
+	DefaultSrc  string   `json:"default_src"`
+}
+
+// GetSupportedLanguages returns all supported languages
+func GetSupportedLanguages() []LanguageConfig {
+	return []LanguageConfig{
+		{
+			Name:        "go",
+			Extensions:  []string{".go"},
+			MarkerFiles: []string{"go.mod", "go.sum"},
+			DefaultSrc:  ".",
+		},
+		{
+			Name:        "typescript",
+			Extensions:  []string{".ts", ".tsx"},
+			MarkerFiles: []string{"package.json", "tsconfig.json"},
+			DefaultSrc:  "src",
+		},
+		{
+			Name:        "python",
+			Extensions:  []string{".py"},
+			MarkerFiles: []string{"requirements.txt", "setup.py", "pyproject.toml"},
+			DefaultSrc:  ".",
+		},
+		{
+			Name:        "java",
+			Extensions:  []string{".java"},
+			MarkerFiles: []string{"pom.xml", "build.gradle"},
+			DefaultSrc:  "src/main/java",
+		},
+		{
+			Name:        "rust",
+			Extensions:  []string{".rs"},
+			MarkerFiles: []string{"Cargo.toml"},
+			DefaultSrc:  "src",
+		},
+		{
+			Name:        "javascript",
+			Extensions:  []string{".js", ".jsx"},
+			MarkerFiles: []string{"package.json"},
+			DefaultSrc:  "src",
+		},
+		{
+			Name:        "csharp",
+			Extensions:  []string{".cs"},
+			MarkerFiles: []string{"*.csproj", "*.sln"},
+			DefaultSrc:  ".",
+		},
+		{
+			Name:        "dart",
+			Extensions:  []string{".dart"},
+			MarkerFiles: []string{"pubspec.yaml"},
+			DefaultSrc:  "lib",
+		},
+	}
+}
+
+// DefaultFileFinder implements FileFinder interface
+type DefaultFileFinder struct{}
+
+// NewDefaultFileFinder creates a new default file finder
+func NewDefaultFileFinder() *DefaultFileFinder {
+	return &DefaultFileFinder{}
+}
+
+// FindFiles returns source files for the given path and language
+func (f *DefaultFileFinder) FindFiles(path string, language string) ([]string, error) {
+	languages := GetSupportedLanguages()
+	var extensions []string
+
+	// Find language config
+	for _, lang := range languages {
+		if lang.Name == language {
+			extensions = lang.Extensions
+			break
+		}
+	}
+
+	// Default to Go extensions if not found
+	if len(extensions) == 0 {
+		extensions = []string{".go"}
+	}
+
+	var files []string
+	err := filepath.Walk(path, func(filePath string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		// Skip directories
+		if info.IsDir() {
+			// Skip hidden directories and common exclude dirs
+			base := filepath.Base(filePath)
+			if strings.HasPrefix(base, ".") || base == "node_modules" || base == "vendor" {
+				return filepath.SkipDir
+			}
+			return nil
+		}
+
+		// Check file extension
+		ext := filepath.Ext(filePath)
+		for _, langExt := range extensions {
+			if ext == langExt {
+				files = append(files, filePath)
+				break
+			}
+		}
+
+		return nil
+	})
+
+	return files, err
+}
+
+// IsSourceFile checks if a file is a source file for the language
+func (f *DefaultFileFinder) IsSourceFile(path string, language string) bool {
+	languages := GetSupportedLanguages()
+	var extensions []string
+
+	// Find language config
+	for _, lang := range languages {
+		if lang.Name == language {
+			extensions = lang.Extensions
+			break
+		}
+	}
+
+	// Default to Go extensions if not found
+	if len(extensions) == 0 {
+		extensions = []string{".go"}
+	}
+
+	ext := filepath.Ext(path)
+	for _, langExt := range extensions {
+		if ext == langExt {
+			return true
+		}
+	}
+
+	return false
+}
+
+// DetectLanguage attempts to auto-detect the project language from marker files
+func DetectLanguage(path string) string {
+	languages := GetSupportedLanguages()
+
+	// Check for marker files in order of specificity
+	for _, lang := range languages {
+		for _, marker := range lang.MarkerFiles {
+			markerPath := filepath.Join(path, marker)
+			if _, err := filepath.Glob(markerPath); err == nil {
+				// Check if any files match the pattern
+				matches, _ := filepath.Glob(markerPath)
+				if len(matches) > 0 {
+					return lang.Name
+				}
+			}
+		}
+	}
+
+	// Default to Go if no markers found
+	return "go"
+}