add initial autoEncodeing

This commit is contained in:
chrys 2017-07-18 00:58:54 +02:00
parent d6c5c8a791
commit 06e80017a9
5 changed files with 98 additions and 90 deletions

View File

@ -117,7 +117,7 @@ panSizeHorizontal=0
[screen]
driver=vcsaDriver
encoding=UTF-8
encoding=auto
screenUpdateDelay=0.05
suspendingScreen=
autodetectSuspendingScreen=True

View File

@ -119,7 +119,7 @@ panSizeHorizontal=0
[screen]
driver=vcsaDriver
encoding=cp850
encoding=auto
screenUpdateDelay=0.05
suspendingScreen=
autodetectSuspendingScreen=True

View File

@ -76,7 +76,7 @@ panSizeHorizontal=0
[screen]
driver=vcsaDriver
encoding=cp850
encoding=auto
screenUpdateDelay=0.05
suspendingScreen=
autodetectSuspendingScreen=True

View File

@ -1,7 +1,9 @@
import time
from fcntl import ioctl
from array import array
import struct
from struct import unpack_from
from struct import unpack
from struct import pack
import errno
import sys
charmap = {}
@ -14,13 +16,13 @@ def updateCharMap(screen):
VT_GETHIFONTMASK = 0x560D
himask = array("H", (0,))
ioctl(tty, VT_GETHIFONTMASK, himask)
hichar, = struct.unpack_from("@H", himask)
hichar, = unpack_from("@H", himask)
sz = 512
line = ''
while True:
try:
unipairs = array("H", [0]*(2*sz))
unimapdesc = array("B", struct.pack("@HP", sz, unipairs.buffer_info()[0]))
unimapdesc = array("B", pack("@HP", sz, unipairs.buffer_info()[0]))
ioctl(tty.fileno(), GIO_UNIMAP, unimapdesc)
break
except IOError as e:
@ -28,8 +30,8 @@ def updateCharMap(screen):
raise
sz *= 2
tty.close()
ncodes, = struct.unpack_from("@H", unimapdesc)
utable = struct.unpack_from("@%dH" % (2*ncodes), unipairs)
ncodes, = unpack_from("@H", unimapdesc)
utable = unpack_from("@%dH" % (2*ncodes), unipairs)
for u, b in zip(utable[::2], utable[1::2]):
if charmap.get(b) is None:
charmap[b] = chr(u)
@ -53,7 +55,7 @@ def autoDecodeVCSA(allData, rows, cols):
lineAttrib.append(7)
lineText += ' '
continue
(sh,) = struct.unpack("=H", data)
(sh,) = unpack("=H", data)
attr = (sh >> 8) & 0xFF
ch = sh & 0xFF
if hichar == 0x100:
@ -63,8 +65,8 @@ def autoDecodeVCSA(allData, rows, cols):
paper = (attr>>4) & 0x0F
#if (ink != 7) or (paper != 0):
# print(ink,paper)
#if sh & hichar:
# ch |= 0x100
if sh & hichar:
ch |= 0x100
try:
lineText += charmap[ch]
except:
@ -73,11 +75,11 @@ def autoDecodeVCSA(allData, rows, cols):
allAttrib.append(lineAttrib)
return allText, allAttrib
def m():
def m(screen):
s = time.time()
updateCharMap('4')
updateCharMap(str(screen))
print(time.time() -s )
vcsa = open('/dev/vcsa' + '4', 'rb')
vcsa = open('/dev/vcsa' + str(screen), 'rb')
head = vcsa.read(4)
rows = int(head[0])
cols = int(head[1])

View File

@ -15,91 +15,27 @@ import difflib
import re
import subprocess
import glob, os
import fcntl
import termios
import time
import select
import dbus
import fcntl
from array import array
import struct
import errno
import sys
from utils import screen_utils
from fcntl import ioctl
from struct import unpack_from, unpack, pack
from core import debug
from core.eventData import fenrirEventType
from utils import screen_utils
'''
ttyno = 4
tty = open('/dev/tty%d' % ttyno, 'rb')
vcs = open('/dev/vcsa%d' % ttyno, 'rb')
head = vcs.read(4)
rows = int(head[0])
cols = int(head[1])
GIO_UNIMAP = 0x4B66
VT_GETHIFONTMASK = 0x560D
himask = array("H", (0,))
fcntl.ioctl(tty, VT_GETHIFONTMASK, himask)
hichar, = struct.unpack_from("@H", himask)
sz = 512
line = ''
while True:
try:
unipairs = array("H", [0]*(2*sz))
unimapdesc = array("B", struct.pack("@HP", sz, unipairs.buffer_info()[0]))
fcntl.ioctl(tty.fileno(), GIO_UNIMAP, unimapdesc)
break
except IOError as e:
if e.errno != errno.ENOMEM:
raise
sz *= 2
tty.close()
ncodes, = struct.unpack_from("@H", unimapdesc)
utable = struct.unpack_from("@%dH" % (2*ncodes), unipairs)
charmap = {}
for u, b in zip(utable[::2], utable[1::2]):
if charmap.get(b) is None:
charmap[b] = u
allText = []
allAttrib = []
for y in range(rows):
lineText = ''
lineAttrib = []
for x in range(cols):
data = vcs.read(2)
(sh,) = struct.unpack("=H", data)
attr = (sh >> 8) & 0xFF
ch = sh & 0xFF
if hichar == 0x100:
attr >>= 1
lineAttrib.append(attr)
ink = attr & 0x0F
paper = (attr>>4) & 0x0F
if (ink != 7) or (paper != 0):
print(ink,paper)
if sh & hichar:
ch |= 0x100
lineText += chr(charmap.get(ch, u'?'))
allText.append(lineText)
allAttrib.append(lineAttrib)
print(allText)
print(allAttrib)
'''
class driver():
def __init__(self):
self.vcsaDevicePath = '/dev/vcsa'
self.ListSessions = None
self.charmap = {}
self.hichar = None
def initialize(self, environment):
self.env = environment
self.env['runtime']['eventManager'].addCustomEventThread(self.updateWatchdog)
@ -228,10 +164,73 @@ class driver():
except Exception as e:
self.env['runtime']['debug'].writeDebugOut('VCSA:updateWatchdog:' + str(e),debug.debugLevel.ERROR)
def updateCharMap(self, screen):
tty = open('/dev/tty' + screen, 'rb')
GIO_UNIMAP = 0x4B66
VT_GETHIFONTMASK = 0x560D
himask = array("H", (0,))
ioctl(tty, VT_GETHIFONTMASK, himask)
self.hichar, = unpack_from("@H", himask)
sz = 512
line = ''
while True:
try:
unipairs = array("H", [0]*(2*sz))
unimapdesc = array("B", pack("@HP", sz, unipairs.buffer_info()[0]))
ioctl(tty.fileno(), GIO_UNIMAP, unimapdesc)
break
except IOError as e:
if e.errno != errno.ENOMEM:
raise
sz *= 2
tty.close()
ncodes, = unpack_from("@H", unimapdesc)
utable = unpack_from("@%dH" % (2*ncodes), unipairs)
for u, b in zip(utable[::2], utable[1::2]):
if self.charmap.get(b) is None:
self.charmap[b] = chr(u)
def autoDecodeVCSA(self, allData, rows, cols):
allText = ''
allAttrib = b''
i = 0
for y in range(rows):
lineText = ''
lineAttrib = b''
for x in range(cols):
data = allData[i: i + 2]
i += 2
if data == b' \x07':
#attr = 7
#ink = 7
#paper = 0
#ch = ' '
lineAttrib += b'7'
lineText += ' '
continue
(sh,) = unpack("=H", data)
attr = (sh >> 8) & 0xFF
ch = sh & 0xFF
if self.hichar == 0x100:
attr >>= 1
lineAttrib += bytes(attr)
ink = attr & 0x0F
paper = (attr>>4) & 0x0F
#if (ink != 7) or (paper != 0):
# print(ink,paper)
if sh & self.hichar:
ch |= 0x100
try:
lineText += self.charmap[ch]
except:
lineText += chr('?')
allText += lineText + '\n'
allAttrib += lineAttrib
return str(allText), allAttrib
def update(self, trigger='onUpdate'):
if trigger == 'onInput': # no need for an update on input for VCSA
return
#print(self.env['screen']['newTTY'], self.env['screen']['oldTTY'])
newContentBytes = b''
try:
# read screen
@ -261,11 +260,18 @@ class driver():
self.env['screen']['newCursor']['x'] = int( self.env['screen']['newContentBytes'][2])
self.env['screen']['newCursor']['y'] = int( self.env['screen']['newContentBytes'][3])
# analyze content
self.env['screen']['newContentText'] = self.env['screen']['newContentBytes'][4:][::2].decode(screenEncoding, "replace").encode('utf-8').decode('utf-8')
self.env['screen']['newContentText'] = screen_utils.removeNonprintable(self.env['screen']['newContentText'])
self.env['screen']['newContentAttrib'] = self.env['screen']['newContentBytes'][5:][::2]
self.env['screen']['newContentText'] = screen_utils.insertNewlines(self.env['screen']['newContentText'], self.env['screen']['columns'])
s = time.time()
if screenEncoding.upper() == 'AUTO':
self.updateCharMap(str(self.env['screen']['newTTY']))
self.env['screen']['newContentText'], \
self.env['screen']['newContentAttrib'] =\
self.autoDecodeVCSA(self.env['screen']['newContentBytes'][4:], self.env['screen']['lines'], self.env['screen']['columns'])
else:
self.env['screen']['newContentText'] = self.env['screen']['newContentBytes'][4:][::2].decode(screenEncoding, "replace").encode('utf-8').decode('utf-8')
self.env['screen']['newContentText'] = screen_utils.removeNonprintable(self.env['screen']['newContentText'])
self.env['screen']['newContentAttrib'] = self.env['screen']['newContentBytes'][5:][::2]
self.env['screen']['newContentText'] = screen_utils.insertNewlines(self.env['screen']['newContentText'], self.env['screen']['columns'])
print(time.time() -s, self.env['screen']['newTTY'] )
if self.env['screen']['newTTY'] != self.env['screen']['oldTTY']:
self.env['screen']['oldContentBytes'] = b''
self.env['screen']['oldContentAttrib'] = b''