fixed goreportcard stuff

char.go

@@ -14,7 +14,7 @@ type asciiChar struct {
 }
 
 // Creates a new ascii character
-func NewAsciiChar(font *font, char rune) (*asciiChar, error) {
+func newAsciiChar(font *font, char rune) (*asciiChar, error) {
 	// If not ascii, throw an error
 	if char < 0 || char > 127 {
 		return nil, errors.New("Not Ascii")

cmd/figlet4go/figlet4go.go

@@ -1,12 +1,12 @@
 package main
 
 import (
-	"errors"
 	"flag"
 	"fmt"
 	"github.com/fatih/color"
 	"github.com/probandula/figlet4go"
 	"log"
+	"os"
 	"strings"
 )
 
@@ -22,10 +22,7 @@ func main() {
 	flag.Parse()
 
 	// Validate and log the error
-	err := validate()
-	if err != nil {
-		log.Fatal(err)
-	}
+	validate()
 
 	// Create objects
 	ascii := figlet4go.NewAsciiRender()
@@ -87,9 +84,9 @@ func getColorSlice(colorStr string) []color.Attribute {
 
 // Validate if all required options are given
 // flag.Parse() must be called before this
-func validate() error {
+func validate() {
 	if *str == "" {
-		return errors.New("No string given")
+		flag.Usage()
+		os.Exit(1)
 	}
-	return nil
 }

font.go

@@ -1,4 +1,5 @@
 package figlet4go
+
 // Explanation of the .flf file header
 // THE HEADER LINE
 //

fontmanager.go

@@ -66,7 +66,7 @@ func (fm *fontManager) getFont(fontName string) *font {
 func (fm *fontManager) loadFontList(fontPath string) error {
 	// Walk through the path
 	return filepath.Walk(fontPath, func(path string, info os.FileInfo, err error) error {
-		// Return an error if occured
+		// Return an error if occurred
 		if err != nil {
 			return err
 		}

render.go

@@ -13,7 +13,7 @@ type RenderOptions struct {
 	FontColor []color.Attribute
 }
 
-// Create new RenderOptions
+// NewRenderOptions creates new RenderOptions
 // Sets the default font name
 func NewRenderOptions() *RenderOptions {
 	return &RenderOptions{
@@ -27,25 +27,25 @@ type AsciiRender struct {
 	fontMgr *fontManager
 }
 
-// Create a new AsciiRender
+// NewAsciiRender creates a new AsciiRender
 func NewAsciiRender() *AsciiRender {
 	return &AsciiRender{
 		fontMgr: newFontManager(),
 	}
 }
 
-// Loading all *.flf font files recursively in a path
+// LoadFont loads all *.flf font files recursively in a path
 func (ar *AsciiRender) LoadFont(fontPath string) error {
 	return ar.fontMgr.loadFontList(fontPath)
 }
 
-// Render a string with the default options
+// Render renders a string with the default options
 // Calls the RenderOpts method with a new RenderOptions object
 func (ar *AsciiRender) Render(str string) (string, error) {
 	return ar.RenderOpts(str, NewRenderOptions())
 }
 
-// Render a string with special RenderOptions
+// RenderOpts renders a string with special RenderOptions
 // Can be called from the user (if options wished) or the above Render method
 // Contains the whole rendering logic
 func (ar *AsciiRender) RenderOpts(str string, opt *RenderOptions) (string, error) {
@@ -64,7 +64,7 @@ func (ar *AsciiRender) RenderOpts(str string, opt *RenderOptions) (string, error
 	// Foreach char create the ascii char
 	for _, char := range str {
 		// AsciiChar
-		asciiChar, err := NewAsciiChar(font, char)
+		asciiChar, err := newAsciiChar(font, char)
 		if err != nil {
 			return "", err
 		}