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split classes into files for better understanding

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- also for excluding some things in the build, as I may not need
 to support PCBoard at revision. Actually, I don't. Later I can
 add that support, but for now, I need the Revision bits working.
This commit is contained in:
Howland Owl 2014-04-05 13:30:28 +03:00
parent 10e8940807
commit 49d411a3d1
15 changed files with 2454 additions and 746 deletions
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179
16col/ansi.coffee Normal file
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@ -0,0 +1,179 @@
class @ImageTextModeANSI extends @ImageTextMode
constructor: ( options ) ->
super @screen
super @font
@palette = new ImageTextModePaletteANSI
@tabstop = 8
@linewrap = 80
@[k] = v for own k, v of options
ANSI_ESC = String.fromCharCode(0x1b)
ANSI_CSI = ANSI_ESC + '['
ANSI_TEXT_PROP = 'm'
ANSI_RESET = '0'
ANSI_FG = '3'
ANSI_BG = '4'
ANSI_FG_INTENSE = '9'
ANSI_BG_INTENSE = '10'
ANSI_CUR_DOWN = 'B'
ANSI_SEP = ';'
ANSI_RETURN = 'A'
# not going to mess with this for now, as I think it is the 'write' code
# for the actual ansi editor. That would be bad to mess up.
# did redo the for loops to read nicer tho.
write: ->
content = "#{ ANSI_CSI }2J" # initiate document
for y in [0...@screen.length]
content += "\n" if !@screen[y]?
continue if !@screen[y]?
for x in [0...@getWidth()]
pixel = @screen[y][x]
if !pixel?
pixel = { ch: ' ', attr: 7 }
attr = @gen_args(pixel.attr)
if (attr != prevattr)
content += "#{ANSI_CSI}0;#{attr}#{ANSI_TEXT_PROP}"
prevattr = attr
content += if pixel.ch? then pixel.ch else ' '
max_x = x
content += "#{ ANSI_CSI }0m"
@toBinaryArray(content)
gen_args: ( attr ) ->
fg = 30 + ( attr & 7 )
bg = 40 + ( ( attr & 112 ) >> 4)
bl = if attr & 128 then 5 else ''
intense = if attr & 8 then 1 else ''
# um why do we make this attrs variable and not use it?
attrs = a for a in [fg, bg, bl, intense] when a != ''
return [fg, bg, bl, intense].join(";")
parse: ( content ) ->
@screen = []
@state = 0
@x = 0
@y = 0
@save_x = 0
@save_y = 0
@attr = 7
@argbuf = ''
content = content.split( '' )
while ch = content.shift()
if @state is 0
switch ch
when "\x1a" then @state = 3
when "\x1b" then @state = 1
when "\n"
@x = 0
@y++
when "\r" then break
when "\t"
i = ( @x + 1 ) % @tabstop
@putpixel ' ' while i-- > 0
else
@putpixel ch
else if @state is 1
if ch isnt "["
@putpixel "\x1b"
@putpixel "["
@state = 0
else
@state = 2
else if @state is 2
if ch.match( '[A-Za-z]' )
args = ( parseInt( i ) for i in @argbuf.split ';' )
switch ch
when "m"
for arg in args
if arg is 0
@attr = 7
else if arg is 1
@attr |= 8
else if arg is 5
@attr |= 128
else if 30 <= arg <= 37
@attr &= 248
@attr |= ( arg - 30 )
else if 40 <= arg <= 47
@attr &= 143
@attr |= ( arg - 40 ) << 4
when "H", "f"
@y = ( args[ 0 ] or 1 ) - 1
@x = ( args[ 1 ] or 1 ) - 1
@y = 0 if @y < 0
@x = 0 if @x < 0
when "A"
@y -= args[ 0 ] or 1
@y = 0 if @y < 0
when "B"
@y += args[ 0 ] or 1
when "C"
@x += args[ 0 ] or 1
when "D"
@x -= args[ 0 ] or 1
@x = 0 if @x < 0
when "E"
@y += args[ 0 ] or 1
@x = 0
when "F"
@y -= args[ 0 ] or 1
@y = 0 if @y > 0
@x = 0
when "G"
@x = ( args[ 0 ] or 1 ) - 1
when "s"
@save_x = @x
@save_y = @y
when "u"
@x = @save_x
@y = @save_y
when "J"
if args.length is 0 or args[ 0 ] is 0
@screen[ i ] = null for i in [ @y + 1 .. screen.length - 1 ]
@screen[ @y ][ i ] = null for i in [ @x .. screen[ @y ].length - 1 ]
else if args[ 0 ] is 1
@screen[ i ] = null for i in [ 0 .. @y - 1 ]
@screen[ @y ][ i ] = null for i in [ 0 .. @x ]
else if args[ 0 ] is 2
@x = 0
@y = 0
@screen = []
when "K"
if args.length is 0 or args[ 0 ] is 0
@screen[ @y ][ i ] = null for i in [ @x .. @screen[ @y ].length - 1 ]
else if args[ 0 ] is 1
@screen[ @y ][ i ] = null for i in [ 0 .. @x ]
else if args[ 0 ] is 2
@screen[ @y ] = null
@argbuf = ''
@state = 0
else
@argbuf += ch
else if @state is 3
break
else
@state = 0
putpixel: ( ch ) ->
@screen[ @y ] = [] if !@screen[ @y ]?
@screen[ @y ][ @x ] = { ch: ch, attr: @attr }
if ++@x >= @linewrap
@x = 0
@y++