go/color
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Api and readme improvements

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This commit is contained in:
Fatih Arslan 2014-02-17 23:50:55 -08:00
parent 6ba802d6b6
commit 7dabc71cda
2 changed files with 10 additions and 12 deletions
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6
README.md
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@ -16,9 +16,9 @@ go get github.com/fatih/color
### Standard colors ### Standard colors
```go ```go
// Print with default foreground colors // Print with default helper functions
color.Cyan.Print("Prints text in cyan.") color.Cyan("Prints text in cyan.")
color.Blue.Print("Prints text in blue.") color.Blue("Prints %s in blue.", "text") // a newline will be appended automatically
// Chain SGR paramaters // Chain SGR paramaters
color.Green.Add(color.Bold).Println("Green with bold") color.Green.Add(color.Bold).Println("Green with bold")

16
color.go
View File

@ -103,11 +103,6 @@ func New(value ...Parameter) *Color {
return c return c
} }
func (c *Color) Bold() *Color {
c.Add(Bold)
return c
}
// Add is used to chain SGR parameters. Use as many as paramters to combine // Add is used to chain SGR parameters. Use as many as paramters to combine
// and create custom color objects. Example: Add(color.FgRed, color.Underline) // and create custom color objects. Example: Add(color.FgRed, color.Underline)
func (c *Color) Add(value ...Parameter) *Color { func (c *Color) Add(value ...Parameter) *Color {
@ -121,12 +116,13 @@ func (c *Color) prepend(value Parameter) {
c.params[0] = value c.params[0] = value
} }
// Output defines the standard output of the print functions. Any io.Writer // Output defines the standard output of the print functions. By default
// can be used. // os.Stdout is used.
var Output io.Writer = os.Stdout var Output io.Writer = os.Stdout
// Printf formats according to a format specifier and writes to standard output. // Printf formats according to a format specifier and writes to standard output.
// It returns the number of bytes written and any write error encountered. // It returns the number of bytes written and any write error encountered.
// This is the standard fmt.Printf() method wrapped with the given color.
func (c *Color) Printf(format string, a ...interface{}) (n int, err error) { func (c *Color) Printf(format string, a ...interface{}) (n int, err error) {
c.Set() c.Set()
defer Unset() defer Unset()
@ -137,7 +133,8 @@ func (c *Color) Printf(format string, a ...interface{}) (n int, err error) {
// Print formats using the default formats for its operands and writes to // Print formats using the default formats for its operands and writes to
// standard output. Spaces are added between operands when neither is a // standard output. Spaces are added between operands when neither is a
// string. It returns the number of bytes written and any write error // string. It returns the number of bytes written and any write error
// encountered. // encountered. This is the standard fmt.Print() method wrapped with the given
// color.
func (c *Color) Print(a ...interface{}) (n int, err error) { func (c *Color) Print(a ...interface{}) (n int, err error) {
c.Set() c.Set()
defer Unset() defer Unset()
@ -148,7 +145,8 @@ func (c *Color) Print(a ...interface{}) (n int, err error) {
// Println formats using the default formats for its operands and writes to // Println formats using the default formats for its operands and writes to
// standard output. Spaces are always added between operands and a newline is // standard output. Spaces are always added between operands and a newline is
// appended. It returns the number of bytes written and any write error // appended. It returns the number of bytes written and any write error
// encountered. // encountered. This is the standard fmt.Print() method wrapped with the given
// color.
func (c *Color) Println(a ...interface{}) (n int, err error) { func (c *Color) Println(a ...interface{}) (n int, err error) {
c.Set() c.Set()
defer Unset() defer Unset()