mirror of
https://github.com/strongdm/comply
synced 2024-11-05 15:35:25 +00:00
65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
// Copyright 2016 Canonical Ltd.
|
|
// Licensed under the LGPLv3, see LICENCE file for details.
|
|
|
|
package ansiterm
|
|
|
|
import (
|
|
"io"
|
|
|
|
"github.com/juju/ansiterm/tabwriter"
|
|
)
|
|
|
|
// NewTabWriter returns a writer that is able to set colors and styels.
|
|
// The ansi escape codes are stripped for width calculations.
|
|
func NewTabWriter(output io.Writer, minwidth, tabwidth, padding int, padchar byte, flags uint) *TabWriter {
|
|
return new(TabWriter).Init(output, minwidth, tabwidth, padding, padchar, flags)
|
|
}
|
|
|
|
// 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.
|
|
type TabWriter struct {
|
|
Writer
|
|
tw tabwriter.Writer
|
|
}
|
|
|
|
// Flush 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) Flush() error {
|
|
return t.tw.Flush()
|
|
}
|
|
|
|
// SetColumnAlignRight will mark a particular column as align right.
|
|
// This is reset on the next flush.
|
|
func (t *TabWriter) SetColumnAlignRight(column int) {
|
|
t.tw.SetColumnAlignRight(column)
|
|
}
|
|
|
|
// A 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
|
|
//
|
|
func (t *TabWriter) Init(output io.Writer, minwidth, tabwidth, padding int, padchar byte, flags uint) *TabWriter {
|
|
writer, colorCapable := colorEnabledWriter(output)
|
|
t.Writer = Writer{
|
|
Writer: t.tw.Init(writer, minwidth, tabwidth, padding, padchar, flags),
|
|
noColor: !colorCapable,
|
|
}
|
|
return t
|
|
}
|