renderer_xterm: highlight renderer using xterm 256 escape sequences

In xterm256: Support for xterm256 escape sequences

Description

This function creates a renderer suitable for the renderer argument of the highlight function using style to decorate the tokens with background and foreground color.

Usage

renderer_xterm(translator = translator_xterm, 
	formatter = formatter_xterm(stylesheet = stylesheet), 
	space = space_xterm, newline = newline_xterm, 
	header = NULL, footer = NULL, stylesheet = "default", ...)
translator_xterm(x)
formatter_xterm( stylesheet )
newline_xterm()
space_xterm()

Arguments

translator	translator. No translation is performed. The function simply returns its argument
formatter	formatter. This function will decorate the tokens together with the styles decided by the detective using the information contained in the stylesheet
space	Function that returns a space character.
newline	Function that returns a new line character.
header	Empty header
footer	Empty footer
stylesheet	The stylesheet to use. This will be parsed by the css.parser function and the information contained will be used by the formatter. Only background and foreground colors (css settings color and background) are currently honored by the formatter.
...	Additional arguments
x	input of the translator. Returned as is.

Value

a renderer object suitable for the renderer argument of the highlight function

Author(s)

Romain Francois <[e-mail]>

See Also

The renderer is actually built by the renderer function.

The css.parser is used to parse the css stylesheet

The style function is used to decorate the tokens with background and foreground color.

The print.function function uses this renderer to pretty print functions.

Examples

	## Not run: 
		r <- renderer_xterm( )
		highlight( parser.output = parser( text = deparse(jitter) ), 
			renderer = r, detective = simple_detective )
	
## End(Not run)

xterm256 documentation built on May 2, 2019, 4:58 p.m.