1 # this file is used by the client and server.
3 # work around lack of module system in the browser:
8 my_exports = window.terminal
12 constructor: (width, height) ->
19 @a = 0x000007 # cursor attributes
23 resize: (width, height) ->
24 # FIXME: write a version that retains some of the data
36 # pass data from stdout
38 return unless data?.length > 0
39 if @partial.length > 0
40 data = @partial + data
42 parts = data.split(/\x1b\[/)
44 if -1 is @escape_sequence_length parts[parts.length - 1]
45 @partial = parts.pop()
47 for i in [0...parts.length]
51 @update_sequence_then_text parts[i]
54 clear_rest_of_line: ->
55 for i in [@x...@width]
57 @attributes[@y][i] = @a
64 # move (newly cleared) top line to the bottom
67 tmp = @attributes.shift()
69 # slide cursor up with rest of text
78 # str has no escape sequences
80 return unless str.length > 0
84 @update_text " ".substr(@x % 8)
89 when '\x08' # backspace
93 # should this set the attribute too?
94 when '\x0a', '\x0b' # lf, vertical tab (same thing)
98 @attributes[@y][@x] = @a
104 set_attribute_bits: (mask, value) ->
105 @a = (@a & ~mask) | value
107 csi_m: default: "0", go: ->
110 while fixed[0] is '0'
111 fixed = fixed.substr 1
114 # remove all style/color
115 when '' # leading zeros are removed (even if that's all of them)
116 @set_attribute_bits 0xffffff, 0x000007
120 @set_attribute_bits 0x10000, 0x10000
122 @set_attribute_bits 0x20000, 0x20000
124 @set_attribute_bits 0x40000, 0x40000
126 @set_attribute_bits 0x80000, 0x80000
128 # disable style attributes
129 when '22' # not bold... according to a page
130 @set_attribute_bits 0x10000, 0
131 when '21' # ... though this would make more sense for "not bold"
132 @set_attribute_bits 0x10000, 0
133 when '24' # not underline
134 @set_attribute_bits 0x20000, 0
135 when '25' # not blink
136 @set_attribute_bits 0x40000, 0
137 when '28' # not invisible
138 @set_attribute_bits 0x80000, 0
140 when '100' # reset colors but not other attributes
141 @set_attribute_bits 0xffff, 0x0007
145 @set_attribute_bits 0xff, 0x00
147 @set_attribute_bits 0xff, 0x01
149 @set_attribute_bits 0xff, 0x02
150 when '33' # fg yellow
151 @set_attribute_bits 0xff, 0x03
153 @set_attribute_bits 0xff, 0x04
154 when '35' # fg magenta
155 @set_attribute_bits 0xff, 0x05
157 @set_attribute_bits 0xff, 0x06
158 when '37', '39' # fg white (39 is default)
159 @set_attribute_bits 0xff, 0x07
163 @set_attribute_bits 0xff00, 0x0000
165 @set_attribute_bits 0xff00, 0x0100
167 @set_attribute_bits 0xff00, 0x0200
168 when '43' # bg yellow
169 @set_attribute_bits 0xff00, 0x0300
171 @set_attribute_bits 0xff00, 0x0400
172 when '45' # bg magenta
173 @set_attribute_bits 0xff00, 0x0500
175 @set_attribute_bits 0xff00, 0x0600
177 @set_attribute_bits 0xff00, 0x0700
178 when '49' # bg default
179 @set_attribute_bits 0xff00, 0x0000
182 when '90' # fg bright black
183 @set_attribute_bits 0xff, 0x08
184 when '91' # fg bright red
185 @set_attribute_bits 0xff, 0x09
186 when '92' # fg bright green
187 @set_attribute_bits 0xff, 0x0a
188 when '93' # fg bright yellow
189 @set_attribute_bits 0xff, 0x0b
190 when '94' # fg bright blue
191 @set_attribute_bits 0xff, 0x0c
192 when '95' # fg bright magenta
193 @set_attribute_bits 0xff, 0x0d
194 when '96' # fg bright cyan
195 @set_attribute_bits 0xff, 0x0e
196 when '97' # fg bright white
197 @set_attribute_bits 0xff, 0x0f
200 when '100' # bg bright black
201 @set_attribute_bits 0xff, 0x08
202 when '101' # bg bright red
203 @set_attribute_bits 0xff, 0x09
204 when '102' # bg bright green
205 @set_attribute_bits 0xff, 0x0a
206 when '103' # bg bright yellow
207 @set_attribute_bits 0xff, 0x0b
208 when '104' # bg bright blue
209 @set_attribute_bits 0xff, 0x0c
210 when '105' # bg bright magenta
211 @set_attribute_bits 0xff, 0x0d
212 when '106' # bg bright cyan
213 @set_attribute_bits 0xff, 0x0e
214 when '107' # bg bright white
215 @set_attribute_bits 0xff, 0x0f
219 # if we don't recognize the style, go back to default
220 @set_attribute_bits 0xffffff, 0
223 # str is the whole escape sequence (minus the esc[ prefix)
224 update_sequence: (str) ->
225 command = @["csi_#{str.substr str.length - 1}"]
226 return unless command?
227 args = str.substr(0, str.length - 1).split ';'
228 for i in [0...args.length]
230 args[i] = command.default
231 command.go.call this, args...
233 update_sequence_then_text: (str) ->
234 len = @escape_sequence_length str
236 console.log "couldn't find escape sequence here: #{str.substr 0, 25}"
237 @update_text "ESC[" + str
239 @update_sequence str.substr 0, len
240 @update_text str.substr len
242 escape_sequence_length: (str) ->
243 parts = str.match(/^[0-9;?]{0,25}./)
244 return -1 unless parts?
245 return parts[0].length
247 my_exports.new = (width, height) ->
248 return new Terminal width, height