socket = io.connect('http://localhost')
color_to_css = (i) ->
- index = 0xff & i
+ # handle inverse bit
+ if i & 0x080000
+ index = ((i >> 8) & 0xff)
+ else
+ index = (i & 0xff)
+
# lighten the basic 8 colors when they're bold
if ((i & 0x10000) and index < 8)
index += 8
return 'color: #' + palette[index] + '; '
bg_color_to_css = (i) ->
- return 'background-' + color_to_css((i & 0x10000) | ((i & 0xff00) >> 8))
+ # xor the inverse bit, to get color_to_css to use the bg color
+ return 'background-' + color_to_css(i ^ 0x080000)
stylize = (txt, style) ->
if (txt.length == 0 or style == 0x000007)
css += 'font-weight: bold; ' if style & 0x10000
css += 'text-decoration: underline; ' if style & 0x20000
css += 'font-style: italic; ' if style & 0x40000 # blink
- css += 'text-decoration: line-through; ' if style & 0x80000 # invisible
- css += color_to_css(style) if style & 0x000ff
- css += bg_color_to_css(style) if style & 0x0ff00
+ css += 'text-decoration: line-through; ' if style & 0x100000 # invisible
+ css += color_to_css(style) if ((style & 0x0800ff) isnt 0x07)
+ css += bg_color_to_css(style) if (style & 0x08ff00)
return $('<span style="'+css+'"></span>').text(txt)
redraw_wait = false
return
set_attribute_bits: (mask, value) ->
- @a = (@a & ~mask) | value
+ @a = ((@a & ~mask) | value)
# we're supposed to ignore leeding zeros, and while we're at it, lets swap
# in the default for blank or missing values
csi_m: ->
args = []
for i in arguments
- args.push @fix_esc_arg i, 0
+ args.push @fix_esc_arg i, '0'
while args.length > 0
- switch args.shift()
-
+ arg = args.shift()
+ switch arg
# remove all style/color
when '0'
- @set_attribute_bits 0xffffff, 0x000007
+ @a = 0
# style attributes
when '1' # bold
- @set_attribute_bits 0x10000, 0x10000
+ @set_attribute_bits 0x010000, 0x010000
+ # FIXME add '3' for italic ('23' to turn it off)
when '4' # underline
- @set_attribute_bits 0x20000, 0x20000
+ @set_attribute_bits 0x020000, 0x020000
when '5' # blink
- @set_attribute_bits 0x40000, 0x40000
+ @set_attribute_bits 0x040000, 0x040000
+ when '7' # inverse
+ @set_attribute_bits 0x080000, 0x080000
when '8' # invisible
- @set_attribute_bits 0x80000, 0x80000
+ @set_attribute_bits 0x100000, 0x100000
# disable style attributes
when '22' # not bold... according to a page
- @set_attribute_bits 0x10000, 0
+ @set_attribute_bits 0x010000, 0
when '21' # ... though this would make more sense for "not bold"
- @set_attribute_bits 0x10000, 0
+ @set_attribute_bits 0x010000, 0
when '24' # not underline
- @set_attribute_bits 0x20000, 0
+ @set_attribute_bits 0x020000, 0
when '25' # not blink
- @set_attribute_bits 0x40000, 0
+ @set_attribute_bits 0x040000, 0
+ when '27' # not inverse
+ @set_attribute_bits 0x080000, 0
when '28' # not invisible
- @set_attribute_bits 0x80000, 0
+ @set_attribute_bits 0x100000, 0
when '100' # reset colors but not other attributes
@set_attribute_bits 0xffff, 0x0007
when '107' # bg bright white
@set_attribute_bits 0xff, 0x0f
-
else
# if we don't recognize the style, go back to default
- @set_attribute_bits 0xffffff, 0
+ console.log "unrecognized csi_m arg: \"#{arg}\""
+ @a = 0
return
# str is the whole escape sequence (minus the esc[ prefix)