Add wrapping

Signed-off-by: jolheiser <john.olheiser@gmail.com>

color/color.go

@@ -118,14 +118,14 @@ func (c *Color) sequence() string {
 }
 
 func (c *Color) wrap(s string) string {
-	return c.format() + s + c.unformat()
+	return c.format() + s + unformat()
 }
 
 func (c *Color) format() string {
 	return fmt.Sprintf("%s[%sm", escape, c.sequence())
 }
 
-func (c *Color) unformat() string {
+func unformat() string {
 	return fmt.Sprintf("%s[%dm", escape, Reset)
 }
 
@@ -136,6 +136,22 @@ func (c *Color) Format(text string) string {
 	return text
 }
 
+func (c *Color) Formatf(format string, v ...interface{}) string {
+	return c.Format(fmt.Sprintf(format, v...))
+}
+
+func (c *Color) Wrap(color *Color, text string) string {
+	return unformat() + c.Format(text) + color.format()
+}
+
+func (c *Color) Wrapf(color *Color, format string, v ...interface{}) string {
+	args := make([]interface{}, len(v))
+	for idx, arg := range v {
+		args[idx] = color.Wrap(c, fmt.Sprintf("%v", arg))
+	}
+	return unformat() + c.Formatf(format, args...) + color.format()
+}
+
 // ParseLevel parses a string and returns a Beaver Level's Color, defaulting to Info
 func ParseLevel(level string) *Color {
 	switch strings.ToUpper(level) {
@@ -156,12 +172,18 @@ func ParseLevel(level string) *Color {
 }
 
 var (
-	Trace   = New(Bold, FgCyan)
-	Debug   = New(Bold, FgBlue)
-	Info    = New(Bold, FgGreen)
-	Warn    = New(Bold, FgYellow)
-	Error   = New(Bold, FgRed)
-	Fatal   = New(Bold, BgRed)
+	Trace   = New(FgCyan)
+	Tracef  = New(Bold, FgCyan)
+	Debug   = New(FgBlue)
+	Debugf  = New(Bold, FgBlue)
+	Info    = New(FgGreen)
+	Infof   = New(Bold, FgGreen)
+	Warn    = New(FgYellow)
+	Warnf   = New(Bold, FgYellow)
+	Error   = New(FgRed)
+	Errorf  = New(Bold, FgRed)
+	Fatal   = New(BgRed)
+	Fatalf  = New(Bold, BgRed)
 	Default = New()
 	Time    = Default
 	Stack   = Default

level.go

@@ -8,7 +8,10 @@ import (
 	"go.jolheiser.com/beaver/color"
 )
 
-var bold = color.New(color.Bold)
+var (
+	bold   = color.New(color.Bold)
+	italic = color.New(color.Italic)
+)
 
 // Level defines a Beaver logging level
 type Level int
@@ -82,6 +85,26 @@ func (l Level) Color() *color.Color {
 	}
 }
 
+// Color returns a Level's colorf, defaulting to italic
+func (l Level) Colorf() *color.Color {
+	switch l {
+	case TRACE:
+		return color.Tracef
+	case DEBUG:
+		return color.Debugf
+	case INFO:
+		return color.Infof
+	case WARN:
+		return color.Warnf
+	case ERROR:
+		return color.Errorf
+	case FATAL:
+		return color.Fatalf
+	default:
+		return italic
+	}
+}
+
 // Levels returns a list of Beaver logging levels
 func Levels() []Level {
 	return []Level{TRACE, DEBUG, INFO, WARN, ERROR, FATAL}

logger.go

@@ -5,7 +5,6 @@ import (
 	"io"
 	"os"
 	"runtime"
-	"strings"
 	"time"
 
 	"go.jolheiser.com/beaver/color"
@@ -27,6 +26,7 @@ type FormatOptions struct {
 	LevelPrefix  bool
 	LevelColor   bool
 	MessageColor bool
+	StyleArgs    bool
 }
 
 // New returns a new Beaver logger
@@ -75,16 +75,15 @@ func (l *Logger) write(level Level, text string) {
 }
 
 func (l *Logger) log(level Level, v ...interface{}) {
-	var args = make([]string, len(v))
-	for i := 0; i < len(v); i++ {
-		args[i] = fmt.Sprintf("%v", v[i])
-	}
-	text := strings.Join(args, " ")
+	text := fmt.Sprint(v...)
 	l.write(level, text)
 }
 
 func (l *Logger) logf(level Level, format string, v ...interface{}) {
 	text := fmt.Sprintf(format, v...)
+	if l.Format.StyleArgs {
+
+	}
 	l.write(level, text)
 }