diff options
Diffstat (limited to 'third_party/Python/module/pexpect-2.4/ANSI.py')
-rw-r--r-- | third_party/Python/module/pexpect-2.4/ANSI.py | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/third_party/Python/module/pexpect-2.4/ANSI.py b/third_party/Python/module/pexpect-2.4/ANSI.py new file mode 100644 index 000000000000..537017e90b29 --- /dev/null +++ b/third_party/Python/module/pexpect-2.4/ANSI.py @@ -0,0 +1,334 @@ +"""This implements an ANSI terminal emulator as a subclass of screen. + +$Id: ANSI.py 491 2007-12-16 20:04:57Z noah $ +""" +# references: +# http://www.retards.org/terminals/vt102.html +# http://vt100.net/docs/vt102-ug/contents.html +# http://vt100.net/docs/vt220-rm/ +# http://www.termsys.demon.co.uk/vtansi.htm + +import screen +import FSM +import copy +import string + +def Emit (fsm): + + screen = fsm.memory[0] + screen.write_ch(fsm.input_symbol) + +def StartNumber (fsm): + + fsm.memory.append (fsm.input_symbol) + +def BuildNumber (fsm): + + ns = fsm.memory.pop() + ns = ns + fsm.input_symbol + fsm.memory.append (ns) + +def DoBackOne (fsm): + + screen = fsm.memory[0] + screen.cursor_back () + +def DoBack (fsm): + + count = int(fsm.memory.pop()) + screen = fsm.memory[0] + screen.cursor_back (count) + +def DoDownOne (fsm): + + screen = fsm.memory[0] + screen.cursor_down () + +def DoDown (fsm): + + count = int(fsm.memory.pop()) + screen = fsm.memory[0] + screen.cursor_down (count) + +def DoForwardOne (fsm): + + screen = fsm.memory[0] + screen.cursor_forward () + +def DoForward (fsm): + + count = int(fsm.memory.pop()) + screen = fsm.memory[0] + screen.cursor_forward (count) + +def DoUpReverse (fsm): + + screen = fsm.memory[0] + screen.cursor_up_reverse() + +def DoUpOne (fsm): + + screen = fsm.memory[0] + screen.cursor_up () + +def DoUp (fsm): + + count = int(fsm.memory.pop()) + screen = fsm.memory[0] + screen.cursor_up (count) + +def DoHome (fsm): + + c = int(fsm.memory.pop()) + r = int(fsm.memory.pop()) + screen = fsm.memory[0] + screen.cursor_home (r,c) + +def DoHomeOrigin (fsm): + + c = 1 + r = 1 + screen = fsm.memory[0] + screen.cursor_home (r,c) + +def DoEraseDown (fsm): + + screen = fsm.memory[0] + screen.erase_down() + +def DoErase (fsm): + + arg = int(fsm.memory.pop()) + screen = fsm.memory[0] + if arg == 0: + screen.erase_down() + elif arg == 1: + screen.erase_up() + elif arg == 2: + screen.erase_screen() + +def DoEraseEndOfLine (fsm): + + screen = fsm.memory[0] + screen.erase_end_of_line() + +def DoEraseLine (fsm): + + screen = fsm.memory[0] + if arg == 0: + screen.end_of_line() + elif arg == 1: + screen.start_of_line() + elif arg == 2: + screen.erase_line() + +def DoEnableScroll (fsm): + + screen = fsm.memory[0] + screen.scroll_screen() + +def DoCursorSave (fsm): + + screen = fsm.memory[0] + screen.cursor_save_attrs() + +def DoCursorRestore (fsm): + + screen = fsm.memory[0] + screen.cursor_restore_attrs() + +def DoScrollRegion (fsm): + + screen = fsm.memory[0] + r2 = int(fsm.memory.pop()) + r1 = int(fsm.memory.pop()) + screen.scroll_screen_rows (r1,r2) + +def DoMode (fsm): + + screen = fsm.memory[0] + mode = fsm.memory.pop() # Should be 4 + # screen.setReplaceMode () + +def Log (fsm): + + screen = fsm.memory[0] + fsm.memory = [screen] + fout = open ('log', 'a') + fout.write (fsm.input_symbol + ',' + fsm.current_state + '\n') + fout.close() + +class term (screen.screen): + """This is a placeholder. + In theory I might want to add other terminal types. + """ + def __init__ (self, r=24, c=80): + screen.screen.__init__(self, r,c) + +class ANSI (term): + + """This class encapsulates a generic terminal. It filters a stream and + maintains the state of a screen object. """ + + def __init__ (self, r=24,c=80): + + term.__init__(self,r,c) + + #self.screen = screen (24,80) + self.state = FSM.FSM ('INIT',[self]) + self.state.set_default_transition (Log, 'INIT') + self.state.add_transition_any ('INIT', Emit, 'INIT') + self.state.add_transition ('\x1b', 'INIT', None, 'ESC') + self.state.add_transition_any ('ESC', Log, 'INIT') + self.state.add_transition ('(', 'ESC', None, 'G0SCS') + self.state.add_transition (')', 'ESC', None, 'G1SCS') + self.state.add_transition_list ('AB012', 'G0SCS', None, 'INIT') + self.state.add_transition_list ('AB012', 'G1SCS', None, 'INIT') + self.state.add_transition ('7', 'ESC', DoCursorSave, 'INIT') + self.state.add_transition ('8', 'ESC', DoCursorRestore, 'INIT') + self.state.add_transition ('M', 'ESC', DoUpReverse, 'INIT') + self.state.add_transition ('>', 'ESC', DoUpReverse, 'INIT') + self.state.add_transition ('<', 'ESC', DoUpReverse, 'INIT') + self.state.add_transition ('=', 'ESC', None, 'INIT') # Selects application keypad. + self.state.add_transition ('#', 'ESC', None, 'GRAPHICS_POUND') + self.state.add_transition_any ('GRAPHICS_POUND', None, 'INIT') + self.state.add_transition ('[', 'ESC', None, 'ELB') + # ELB means Escape Left Bracket. That is ^[[ + self.state.add_transition ('H', 'ELB', DoHomeOrigin, 'INIT') + self.state.add_transition ('D', 'ELB', DoBackOne, 'INIT') + self.state.add_transition ('B', 'ELB', DoDownOne, 'INIT') + self.state.add_transition ('C', 'ELB', DoForwardOne, 'INIT') + self.state.add_transition ('A', 'ELB', DoUpOne, 'INIT') + self.state.add_transition ('J', 'ELB', DoEraseDown, 'INIT') + self.state.add_transition ('K', 'ELB', DoEraseEndOfLine, 'INIT') + self.state.add_transition ('r', 'ELB', DoEnableScroll, 'INIT') + self.state.add_transition ('m', 'ELB', None, 'INIT') + self.state.add_transition ('?', 'ELB', None, 'MODECRAP') + self.state.add_transition_list (string.digits, 'ELB', StartNumber, 'NUMBER_1') + self.state.add_transition_list (string.digits, 'NUMBER_1', BuildNumber, 'NUMBER_1') + self.state.add_transition ('D', 'NUMBER_1', DoBack, 'INIT') + self.state.add_transition ('B', 'NUMBER_1', DoDown, 'INIT') + self.state.add_transition ('C', 'NUMBER_1', DoForward, 'INIT') + self.state.add_transition ('A', 'NUMBER_1', DoUp, 'INIT') + self.state.add_transition ('J', 'NUMBER_1', DoErase, 'INIT') + self.state.add_transition ('K', 'NUMBER_1', DoEraseLine, 'INIT') + self.state.add_transition ('l', 'NUMBER_1', DoMode, 'INIT') + ### It gets worse... the 'm' code can have infinite number of + ### number;number;number before it. I've never seen more than two, + ### but the specs say it's allowed. crap! + self.state.add_transition ('m', 'NUMBER_1', None, 'INIT') + ### LED control. Same problem as 'm' code. + self.state.add_transition ('q', 'NUMBER_1', None, 'INIT') + + # \E[?47h appears to be "switch to alternate screen" + # \E[?47l restores alternate screen... I think. + self.state.add_transition_list (string.digits, 'MODECRAP', StartNumber, 'MODECRAP_NUM') + self.state.add_transition_list (string.digits, 'MODECRAP_NUM', BuildNumber, 'MODECRAP_NUM') + self.state.add_transition ('l', 'MODECRAP_NUM', None, 'INIT') + self.state.add_transition ('h', 'MODECRAP_NUM', None, 'INIT') + +#RM Reset Mode Esc [ Ps l none + self.state.add_transition (';', 'NUMBER_1', None, 'SEMICOLON') + self.state.add_transition_any ('SEMICOLON', Log, 'INIT') + self.state.add_transition_list (string.digits, 'SEMICOLON', StartNumber, 'NUMBER_2') + self.state.add_transition_list (string.digits, 'NUMBER_2', BuildNumber, 'NUMBER_2') + self.state.add_transition_any ('NUMBER_2', Log, 'INIT') + self.state.add_transition ('H', 'NUMBER_2', DoHome, 'INIT') + self.state.add_transition ('f', 'NUMBER_2', DoHome, 'INIT') + self.state.add_transition ('r', 'NUMBER_2', DoScrollRegion, 'INIT') + ### It gets worse... the 'm' code can have infinite number of + ### number;number;number before it. I've never seen more than two, + ### but the specs say it's allowed. crap! + self.state.add_transition ('m', 'NUMBER_2', None, 'INIT') + ### LED control. Same problem as 'm' code. + self.state.add_transition ('q', 'NUMBER_2', None, 'INIT') + + def process (self, c): + + self.state.process(c) + + def process_list (self, l): + + self.write(l) + + def write (self, s): + + for c in s: + self.process(c) + + def flush (self): + + pass + + def write_ch (self, ch): + + """This puts a character at the current cursor position. cursor + position if moved forward with wrap-around, but no scrolling is done if + the cursor hits the lower-right corner of the screen. """ + + #\r and \n both produce a call to crlf(). + ch = ch[0] + + if ch == '\r': + # self.crlf() + return + if ch == '\n': + self.crlf() + return + if ch == chr(screen.BS): + self.cursor_back() + self.put_abs(self.cur_r, self.cur_c, ' ') + return + + if ch not in string.printable: + fout = open ('log', 'a') + fout.write ('Nonprint: ' + str(ord(ch)) + '\n') + fout.close() + return + self.put_abs(self.cur_r, self.cur_c, ch) + old_r = self.cur_r + old_c = self.cur_c + self.cursor_forward() + if old_c == self.cur_c: + self.cursor_down() + if old_r != self.cur_r: + self.cursor_home (self.cur_r, 1) + else: + self.scroll_up () + self.cursor_home (self.cur_r, 1) + self.erase_line() + +# def test (self): +# +# import sys +# write_text = 'I\'ve got a ferret sticking up my nose.\n' + \ +# '(He\'s got a ferret sticking up his nose.)\n' + \ +# 'How it got there I can\'t tell\n' + \ +# 'But now it\'s there it hurts like hell\n' + \ +# 'And what is more it radically affects my sense of smell.\n' + \ +# '(His sense of smell.)\n' + \ +# 'I can see a bare-bottomed mandril.\n' + \ +# '(Slyly eyeing his other nostril.)\n' + \ +# 'If it jumps inside there too I really don\'t know what to do\n' + \ +# 'I\'ll be the proud posessor of a kind of nasal zoo.\n' + \ +# '(A nasal zoo.)\n' + \ +# 'I\'ve got a ferret sticking up my nose.\n' + \ +# '(And what is worst of all it constantly explodes.)\n' + \ +# '"Ferrets don\'t explode," you say\n' + \ +# 'But it happened nine times yesterday\n' + \ +# 'And I should know for each time I was standing in the way.\n' + \ +# 'I\'ve got a ferret sticking up my nose.\n' + \ +# '(He\'s got a ferret sticking up his nose.)\n' + \ +# 'How it got there I can\'t tell\n' + \ +# 'But now it\'s there it hurts like hell\n' + \ +# 'And what is more it radically affects my sense of smell.\n' + \ +# '(His sense of smell.)' +# self.fill('.') +# self.cursor_home() +# for c in write_text: +# self.write_ch (c) +# print str(self) +# +#if __name__ == '__main__': +# t = ANSI(6,65) +# t.test() |