README.md

@@ -1,21 +1,10 @@
 # Color
 
-Supported colors: red, green, yellow, blue, purple, cyan, white, gray
+Supported colors: black, white, red, green, blue, yellow, magenta, cyan
 
 ```go
-fmt.Print(color.Blue("Blue text"))
+color.Blue.Print("Blue")
-fmt.Printf("Status: %s\n", color.Green("OK"))
+color.Blue.Printf("%s", "Blue")
-fmt.Println(color.Red("Error occurred"))
+color.Blue.Println("Blue")
-
+blue := color.Blue.String("Blue")
-blue := color.Blue("Blue text")
-warning := color.Yellow("Warning message")
-
-color.SetColors(false)
-color.SetColors(true)
-
-if color.ColorsEnabled() {
-    // ...
-}
 ```
-
-Colors are automatically detected based on terminal capabilities and environment variables (`NO_COLOR`, `FORCE_COLOR`, `TERM`).

color.go

@@ -1,101 +1,75 @@
 package color
 
 import (
+	"fmt"
 	"os"
 	"strings"
-	"sync"
 )
 
-// ANSI color codes
+// Color type
+type Color int
+
+// Color codes
 const (
-	resetCode  = "\033[0m"
+	Black Color = iota + 30
-	redCode    = "\033[31m"
+	Red
-	greenCode  = "\033[32m"
+	Green
-	yellowCode = "\033[33m"
+	Yellow
-	blueCode   = "\033[34m"
+	Blue
-	purpleCode = "\033[35m"
+	Magenta
-	cyanCode   = "\033[36m"
+	Cyan
-	whiteCode  = "\033[37m"
+	White
-	grayCode   = "\033[90m"
 )
 
-var (
+func (c Color) String(args ...any) string {
-	useColors bool
+	return fmt.Sprintf("\x1b[%dm%s\x1b[0m", c, fmt.Sprint(args...))
-	colorMu   sync.RWMutex
-)
-
-// Color function; makes a call to makeColorFunc with the associated color code
-var (
-	Reset  = makeColorFunc(resetCode)
-	Red    = makeColorFunc(redCode)
-	Green  = makeColorFunc(greenCode)
-	Yellow = makeColorFunc(yellowCode)
-	Blue   = makeColorFunc(blueCode)
-	Purple = makeColorFunc(purpleCode)
-	Cyan   = makeColorFunc(cyanCode)
-	White  = makeColorFunc(whiteCode)
-	Gray   = makeColorFunc(grayCode)
-)
-
-func init() {
-	useColors = DetectShellColors()
 }
 
-func makeColorFunc(code string) func(string) string {
+func (c Color) Print(args ...any) {
-	return func(text string) string {
+	if !supportsColors() {
-		colorMu.RLock()
+		fmt.Print(args...)
-		enabled := useColors
+		return
-		colorMu.RUnlock()
-
-		if enabled {
-			return code + text + resetCode
-		}
-		return text
 	}
+
+	fmt.Printf("\x1b[%dm%s\x1b[0m", c, fmt.Sprint(args...))
 }
 
-// DetectShellColors checks if the current shell supports colors
+func (c Color) Printf(format string, args ...any) {
-func DetectShellColors() bool {
+	if !supportsColors() {
-	// Check NO_COLOR environment variable (standard)
+		fmt.Printf(format, args...)
-	if os.Getenv("NO_COLOR") != "" {
+		return
-		return false
 	}
 
-	// Check FORCE_COLOR environment variable
+	fmt.Printf("\x1b[%dm%s\x1b[0m", c, fmt.Sprintf(format, args...))
-	if os.Getenv("FORCE_COLOR") != "" {
+}
+
+func (c Color) Println(args ...any) {
+	if !supportsColors() {
+		fmt.Println(args...)
+		return
+	}
+
+	fmt.Printf("\x1b[%dm%s\x1b[0m\n", c, fmt.Sprint(args...))
+}
+
+func supportsColors() bool {
+	colorterm := os.Getenv("COLORTERM")
+	term := os.Getenv("TERM")
+
+	// Check for true color (24-bit support)
+	if strings.Contains(colorterm, "truecolor") || strings.Contains(colorterm, "24bit") {
 		return true
 	}
 
-	// Check if stdout is a terminal
+	// Check for 256 colors support
-	if !isTerminal(os.Stdout) {
+	if strings.Contains(term, "256color") {
-		return false
+		return true
 	}
 
-	// Check TERM environment variable
+	// Check for basic color support
-	term := os.Getenv("TERM")
+	if term == "xterm" || term == "screen" || term == "vt100" || strings.Contains(term, "color") {
-	if term == "" || term == "dumb" {
+		return true
-		return false
 	}
 
-	// Common color-supporting terminals
+	return false
-	return strings.Contains(term, "color") ||
-		strings.Contains(term, "xterm") ||
-		strings.Contains(term, "screen") ||
-		strings.Contains(term, "tmux") ||
-		term == "linux" ||
-		isWindowsTerminal()
-}
-
-// SetColors enables or disables colors globally
-func SetColors(enabled bool) {
-	colorMu.Lock()
-	useColors = enabled
-	colorMu.Unlock()
-}
-
-// ColorsEnabled returns current global color setting
-func ColorsEnabled() bool {
-	colorMu.RLock()
-	defer colorMu.RUnlock()
-	return useColors
 }

color_unix.go

@@ -1,33 +0,0 @@
-//go:build !windows
-// +build !windows
-
-package color
-
-import (
-	"os"
-	"syscall"
-	"unsafe"
-)
-
-const ioctlReadTermios = 0x5401
-
-// isTerminal checks if the file is a terminal
-func isTerminal(f *os.File) bool {
-	fd := f.Fd()
-	var termios syscall.Termios
-
-	r1, _, errno := syscall.Syscall6(
-		syscall.SYS_IOCTL,
-		fd,
-		ioctlReadTermios,
-		uintptr(unsafe.Pointer(&termios)),
-		0, 0, 0,
-	)
-
-	return r1 == 0 && errno == 0
-}
-
-// isWindowsTerminal always returns false on Unix
-func isWindowsTerminal() bool {
-	return false
-}

color_windows.go

@@ -1,29 +0,0 @@
-//go:build windows
-// +build windows
-
-package color
-
-import (
-	"os"
-	"syscall"
-	"unsafe"
-)
-
-var (
-	kernel32           = syscall.NewLazyDLL("kernel32.dll")
-	procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
-)
-
-// isTerminal checks if the file is a terminal on Windows
-func isTerminal(f *os.File) bool {
-	handle := syscall.Handle(f.Fd())
-	var mode uint32
-
-	r1, _, _ := procGetConsoleMode.Call(uintptr(handle), uintptr(unsafe.Pointer(&mode)))
-	return r1 != 0
-}
-
-// isWindowsTerminal checks for Windows Terminal
-func isWindowsTerminal() bool {
-	return os.Getenv("WT_SESSION") != ""
-}

tests/color_test.go

@@ -6,100 +6,35 @@ import (
 	color "git.sharkk.net/Go/Color"
 )
 
-func TestColorFunctions(t *testing.T) {
+func TestPrint(t *testing.T) {
-	// Enable colors for testing
+	color.Black.Print("Black\n")
-	color.SetColors(true)
+	color.White.Print("White\n")
-
+	color.Red.Print("Red\n")
-	tests := []struct {
+	color.Green.Print("Green\n")
-		name      string
+	color.Blue.Print("Blue\n")
-		colorFunc func(string) string
+	color.Yellow.Print("Yellow\n")
-		expected  string
+	color.Magenta.Print("Magenta\n")
-	}{
+	color.Cyan.Print("Cyan\n")
-		{"Red", color.Red, "\033[31mtest\033[0m"},
-		{"Green", color.Green, "\033[32mtest\033[0m"},
-		{"Yellow", color.Yellow, "\033[33mtest\033[0m"},
-		{"Blue", color.Blue, "\033[34mtest\033[0m"},
-		{"Purple", color.Purple, "\033[35mtest\033[0m"},
-		{"Cyan", color.Cyan, "\033[36mtest\033[0m"},
-		{"White", color.White, "\033[37mtest\033[0m"},
-		{"Gray", color.Gray, "\033[90mtest\033[0m"},
-		{"Reset", color.Reset, "\033[0mtest\033[0m"},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result := tt.colorFunc("test")
-			if result != tt.expected {
-				t.Errorf("got %q, want %q", result, tt.expected)
-			}
-		})
-	}
 }
 
-func TestColorsDisabled(t *testing.T) {
+func TestPrintf(t *testing.T) {
-	// Disable colors
+	color.Black.Printf("%s\n", "Black")
-	color.SetColors(false)
+	color.White.Printf("%s\n", "White")
-
+	color.Red.Printf("%s\n", "Red")
-	input := "test"
+	color.Green.Printf("%s\n", "Green")
-	expected := "test"
+	color.Blue.Printf("%s\n", "Blue")
-
+	color.Yellow.Printf("%s\n", "Yellow")
-	colorFuncs := []func(string) string{
+	color.Magenta.Printf("%s\n", "Magenta")
-		color.Red, color.Green, color.Yellow, color.Blue, color.Purple, color.Cyan, color.White, color.Gray, color.Reset,
+	color.Cyan.Printf("%s\n", "Cyan")
-	}
-
-	for _, colorFunc := range colorFuncs {
-		result := colorFunc(input)
-		if result != expected {
-			t.Errorf("expected plain text when colors disabled, got %q", result)
-		}
-	}
-
-	// Re-enable for other tests
-	color.SetColors(true)
 }
 
-func TestSetColorsAndColorsEnabled(t *testing.T) {
+func TestPrintln(t *testing.T) {
-	// Test enabling colors
+	color.Black.Println("Black")
-	color.SetColors(true)
+	color.White.Println("White")
-	if !color.ColorsEnabled() {
+	color.Red.Println("Red")
-		t.Error("expected colors to be enabled")
+	color.Green.Println("Green")
-	}
+	color.Blue.Println("Blue")
-
+	color.Yellow.Println("Yellow")
-	// Test disabling colors
+	color.Magenta.Println("Magenta")
-	color.SetColors(false)
+	color.Cyan.Println("Cyan")
-	if color.ColorsEnabled() {
-		t.Error("expected colors to be disabled")
-	}
-
-	// Restore default state
-	color.SetColors(color.DetectShellColors())
-}
-
-func TestEmptyString(t *testing.T) {
-	color.SetColors(true)
-	result := color.Red("")
-	expected := "\033[31m\033[0m"
-	if result != expected {
-		t.Errorf("got %q, want %q", result, expected)
-	}
-}
-
-func BenchmarkColorFunction(b *testing.B) {
-	color.SetColors(true)
-	input := "benchmark test"
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		_ = color.Red(input)
-	}
-}
-
-func BenchmarkColorFunctionDisabled(b *testing.B) {
-	color.SetColors(false)
-	input := "benchmark test"
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		_ = color.Red(input)
-	}
 }