import "github.com/juju/ansiterm"
Package ansiterm provides a Writer that writes out the ANSI escape codes for color and styles.
type Color intColor represents one of the standard 16 ANSI colors.
const (
Default Color
Black
Red
Green
Yellow
Blue
Magenta
Cyan
Gray
DarkGray
BrightRed
BrightGreen
BrightYellow
BrightBlue
BrightMagenta
BrightCyan
White
)func (c Color) String() stringString returns the name of the color.
type Context struct {
Foreground Color
Background Color
Styles []Style
}Context provides a way to specify both foreground and background colors along with other styles and write text to a Writer with those colors and styles.
func Background(color Color) *ContextBackground is a convenience function that creates a Context with the specified color as the background color.
func Foreground(color Color) *ContextForeground is a convenience function that creates a Context with the specified color as the foreground color.
func Styles(styles ...Style) *ContextStyles is a convenience function that creates a Context with the specified styles set.
func (c *Context) Fprint(w sgrWriter, args ...interface{})Fprint will set the sgr values of the writer to the specified foreground, background and styles, then formats using the default formats for its operands and writes to w. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.
func (c *Context) Fprintf(w sgrWriter, format string, args ...interface{})Fprintf will set the sgr values of the writer to the specified foreground, background and styles, then write the formatted string, then reset the writer.
func (c *Context) SetBackground(color Color) *ContextSetBackground sets the background to the specified color.
func (c *Context) SetForeground(color Color) *ContextSetForeground sets the foreground to the specified color.
func (c *Context) SetStyle(styles ...Style) *ContextSetStyle replaces the styles with the new values.
type Style intconst (
Bold Style
Faint
Italic
Underline
Blink
Reverse
Strikethrough
Conceal
)func (s Style) String() stringtype TabWriter struct {
Writer
// contains filtered or unexported fields
}TabWriter is a filter that inserts padding around tab-delimited columns in its input to align them in the output.
It also setting of colors and styles over and above the standard tabwriter package.
func NewTabWriter(output io.Writer, minwidth, tabwidth, padding int, padchar byte, flags uint) *TabWriterNewTabWriter returns a writer that is able to set colors and styels. The ansi escape codes are stripped for width calculations.
func (t *TabWriter) Flush() errorFlush should be called after the last call to Write to ensure that any data buffered in the Writer is written to output. Any incomplete escape sequence at the end is considered complete for formatting purposes.
func (t *TabWriter) Init(output io.Writer, minwidth, tabwidth, padding int, padchar byte, flags uint) *TabWriterA Writer must be initialized with a call to Init. The first parameter (output) specifies the filter output. The remaining parameters control the formatting:
minwidth minimal cell width including any padding
tabwidth width of tab characters (equivalent number of spaces)
padding padding added to a cell before computing its width
padchar ASCII char used for padding
if padchar == '\t', the Writer will assume that the
width of a '\t' in the formatted output is tabwidth,
and cells are left-aligned independent of align_left
(for correct-looking results, tabwidth must correspond
to the tab width in the viewer displaying the result)
flags formatting control
type Writer struct {
io.Writer
// contains filtered or unexported fields
}Writer allows colors and styles to be specified. If the io.Writer is not a terminal capable of color, all attempts to set colors or styles are no-ops.
func NewWriter(w io.Writer) *WriterNewWriter returns a Writer that allows the caller to specify colors and styles. If the io.Writer is not a terminal capable of color, all attempts to set colors or styles are no-ops.
func (w *Writer) ClearStyle(s Style)ClearStyle clears the text style.
func (w *Writer) Reset()Reset returns the default foreground and background colors with no styles.
func (w *Writer) SetBackground(c Color)SetBackground sets the background color.
func (w *Writer) SetForeground(c Color)SetForeground sets the foreground color.
func (w *Writer) SetStyle(s Style)SetStyle sets the text style.
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