diff options
Diffstat (limited to 'vendor/github.com/juju/ansiterm/context.go')
-rw-r--r-- | vendor/github.com/juju/ansiterm/context.go | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/vendor/github.com/juju/ansiterm/context.go b/vendor/github.com/juju/ansiterm/context.go deleted file mode 100644 index e61a867ff..000000000 --- a/vendor/github.com/juju/ansiterm/context.go +++ /dev/null @@ -1,95 +0,0 @@ -// Copyright 2016 Canonical Ltd. -// Licensed under the LGPLv3, see LICENCE file for details. - -package ansiterm - -import ( - "fmt" - "io" -) - -// 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. -type Context struct { - Foreground Color - Background Color - Styles []Style -} - -// Foreground is a convenience function that creates a Context with the -// specified color as the foreground color. -func Foreground(color Color) *Context { - return &Context{Foreground: color} -} - -// Background is a convenience function that creates a Context with the -// specified color as the background color. -func Background(color Color) *Context { - return &Context{Background: color} -} - -// Styles is a convenience function that creates a Context with the -// specified styles set. -func Styles(styles ...Style) *Context { - return &Context{Styles: styles} -} - -// SetForeground sets the foreground to the specified color. -func (c *Context) SetForeground(color Color) *Context { - c.Foreground = color - return c -} - -// SetBackground sets the background to the specified color. -func (c *Context) SetBackground(color Color) *Context { - c.Background = color - return c -} - -// SetStyle replaces the styles with the new values. -func (c *Context) SetStyle(styles ...Style) *Context { - c.Styles = styles - return c -} - -type sgrWriter interface { - io.Writer - writeSGR(value sgr) -} - -// 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) Fprintf(w sgrWriter, format string, args ...interface{}) { - w.writeSGR(c) - fmt.Fprintf(w, format, args...) - w.writeSGR(reset) -} - -// 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) Fprint(w sgrWriter, args ...interface{}) { - w.writeSGR(c) - fmt.Fprint(w, args...) - w.writeSGR(reset) -} - -func (c *Context) sgr() string { - var values attributes - if foreground := c.Foreground.foreground(); foreground != unknownAttribute { - values = append(values, foreground) - } - if background := c.Background.background(); background != unknownAttribute { - values = append(values, background) - } - for _, style := range c.Styles { - if value := style.enable(); value != unknownAttribute { - values = append(values, value) - } - } - return values.sgr() -} |