def _process_default(self, line):
"""Read the rest of a DEFAULT line.:"""
if line[1].match("PARENT"):
parent = self._get_string(line, 2, "parent tag")
self._check_rubbish(line, 2)
if self.debug:
print ">>> DEFAULT PARENT '%s'" % parent
elif line[1].match("PRINTABLE") and line[2].match("GRAPHICS"):
graphics = self._get_string(line, 3, "printable graphics")
self._check_rubbish(line, 3)
if self.debug:
print ">>> PRINTABLE GRAPHICS '%s'" % graphics
elif line[1].match("ESCAPE"):
escape = self._get_string(line, 2,
"truncated escape/collection number")
self._check_rubbish(line, 2)
if self.debug:
print ">>> ESCAPE '%s' (%s)" % (printable(escape),
iso2022_charset(escape, TRUE))
else:
raise dfd_parse_error,\
(line,"Unrecognised DEFAULT construct `%s'"%line[1])
def _process_default(self, line):
"""Read the rest of a DEFAULT line.:"""
if line[1].match("PARENT"):
parent = self._get_string(line, 2, "parent tag")
self._check_rubbish(line, 2)
if self.debug:
print ">>> DEFAULT PARENT '%s'" % parent
elif line[1].match("PRINTABLE") and line[2].match("GRAPHICS"):
graphics = self._get_string(line, 3, "printable graphics")
self._check_rubbish(line, 3)
if self.debug:
print ">>> PRINTABLE GRAPHICS '%s'" % graphics
elif line[1].match("ESCAPE"):
escape = self._get_string(line, 2, "truncated escape/collection number")
self._check_rubbish(line, 2)
if self.debug:
print ">>> ESCAPE '%s' (%s)" % (printable(escape), iso2022_charset(escape, TRUE))
else:
raise dfd_parse_error, (line, "Unrecognised DEFAULT construct `%s'" % line[1])
def _read_field(self, line):
"""Read the contents of a FIELD...END FIELD structure."""
# Deal with the rest of the FIELD line
tag = self._get_string(line, 1, "field tag")
if len(line) > 2:
name = self._get_string(line, 2, "field name")
self._check_rubbish(line, 2)
else:
name = ""
self._check_rubbish(line, 1)
if self.debug:
print ">>> FIELD '%s' '%s'" % (tag, name)
# Prime the formatting
format = Format()
format.start_format()
# Deal with the rest of the field structure
while 1:
# Read the next significant line in
try:
line = self._get_next_line()
except dfd_eof, detail:
raise dfd_unexpeof, "End of file not expected inside FIELD data"
# Do what seems appropriate
if line[0].match("END") and line[1].match("FIELD"):
self._check_rubbish(line, 1)
if self.debug:
print ">>> END FIELD"
return
elif line[0].match("PARENT"):
parent = self._get_string(line, 1, "parent tag")
self._check_rubbish(line, 1)
if self.debug:
print ">>> PARENT '%s'" % parent
pass
elif line[0].match("PRINTABLE") and line[1].match("GRAPHICS"):
graphics = self._get_string(line, 2, "printable graphics")
self._check_rubbish(line, 2)
if self.debug:
print ">>> PRINTABLE GRAPHICS '%s'" % graphics
pass
elif line[0].match("ESCAPE"):
escape = self._get_string(line, 1, "truncated escape/collection number")
self._check_rubbish(line, 1)
if self.debug:
print ">>> ESCAPE '%s' (%s)" % (printable(escape), iso2022_charset(escape, TRUE))
pass
elif line[0].match("STRUCTURE") and line[1].match("CODE"):
# This will read until END FIELD for us
self._read_labels(line, "STRUCTURE CODE", format)
if self.debug:
print format
# format.write_DFD(sys.stdout)
return
elif line[0].match("NUMERIC") and line[1].match("DESCRIPTOR"):
# This will read until END FIELD for us
self._read_labels(line, "NUMERIC DESCRIPTOR", format)
if self.debug:
print format
# format.write_DFD(sys.stdout)
return
elif line[0].match("FOR"):
# This will read until END FIELD for us
self._read_labels(line, "FOR", format)
if self.debug:
print format
# format.write_DFD(sys.stdout)
return
elif line[0].match("BY"):
raise dfd_parse_error, (line, "Cannot have BY before FOR")
elif line[0].match("REPEAT"):
raise dfd_parse_error, (line, "Cannot have REPEAT before FOR")
elif line[0].match("END") and line[1].match("REPEAT"):
raise dfd_parse_error, (line, "Cannot have END REPEAT before FOR")
elif line[0].match("THEN"):
raise dfd_parse_error, (line, "Cannot have THEN before FOR")
else:
raise dfd_parse_error, (line, "Unexpected item %s" % line[0])
def _read_leader(self):
"""Read the contents of a LEADER...END LEADER structure."""
while 1:
# Read the next significant line in
try:
line = self._get_next_line()
except dfd_eof, detail:
raise dfd_unexpeof, "End of file not expected inside LEADER data"
# Do what seems appropriate
if line[0].match("END") and line[1].match("LEADER"):
self._check_rubbish(line, 1)
if self.debug:
print ">>> END LEADER"
self.had_leader = TRUE
return
elif line[0].match("TAG") and line[1].match("LENGTH"):
length = self._get_number(line, 2, "tag length")
self._check_rubbish(line, 2)
if self.debug:
print ">>> TAG LENGTH %d" % length
pass
elif line[0].match("LEVEL"):
level = self._get_number(line, 1, "level")
self._check_rubbish(line, 1)
if self.debug:
print ">>> LEVEL %d" % level
pass
elif line[0].match("VERSION"):
version = self._get_number(line, 1, "version")
self._check_rubbish(line, 1)
if self.debug:
print ">>> VERSION %d" % version
pass
elif line[0].match("FORM"):
form = self._get_string(line, 1, "form")
self._check_rubbish(line, 1)
if self.debug:
print ">>> FORM '%s'" % form
pass
elif line[0].match("INLINE") and line[1].match("EXTENSION") and line[2].match("CODE"):
code = self._get_string(line, 3, "inline extension code")
self._check_rubbish(line, 3)
if self.debug:
print ">>> INLINE EXTENSION CODE '%s'" % code
pass
elif line[0].match("APPLICATION") and line[1].match("INDICATOR"):
appl = self._get_string(line, 2, "application indicator")
self._check_rubbish(line, 2)
if self.debug:
print ">>> APPLICATION INDICATOR '%s'" % printable(appl)
pass
elif line[0].match("ESCAPE"):
esc = self._get_string(line, 1, "truncated escape or collection number")
self._check_rubbish(line, 1)
if self.debug:
print ">>> ESCAPE '%s' (%s)" % (printable(esc), iso2022_charset(esc, TRUE))
pass
else:
raise dfd_parse_error, (line, "Unrecognised LEADER construct `%s'" % line[0])
def __repr__(self):
if self.is_keyword:
return printable(self.text)
else:
return "'" + printable(self.text) + "'"
def _read_field(self, line):
"""Read the contents of a FIELD...END FIELD structure."""
# Deal with the rest of the FIELD line
tag = self._get_string(line, 1, "field tag")
if len(line) > 2:
name = self._get_string(line, 2, "field name")
self._check_rubbish(line, 2)
else:
name = ""
self._check_rubbish(line, 1)
if self.debug:
print ">>> FIELD '%s' '%s'" % (tag, name)
# Prime the formatting
format = Format()
format.start_format()
# Deal with the rest of the field structure
while 1:
# Read the next significant line in
try:
line = self._get_next_line()
except dfd_eof, detail:
raise dfd_unexpeof, "End of file not expected inside FIELD data"
# Do what seems appropriate
if line[0].match("END") and line[1].match("FIELD"):
self._check_rubbish(line, 1)
if self.debug:
print ">>> END FIELD"
return
elif line[0].match("PARENT"):
parent = self._get_string(line, 1, "parent tag")
self._check_rubbish(line, 1)
if self.debug:
print ">>> PARENT '%s'" % parent
pass
elif line[0].match("PRINTABLE") and line[1].match("GRAPHICS"):
graphics = self._get_string(line, 2, "printable graphics")
self._check_rubbish(line, 2)
if self.debug:
print ">>> PRINTABLE GRAPHICS '%s'" % graphics
pass
elif line[0].match("ESCAPE"):
escape = self._get_string(
line, 1, "truncated escape/collection number")
self._check_rubbish(line, 1)
if self.debug:
print ">>> ESCAPE '%s' (%s)" % (
printable(escape), iso2022_charset(escape, TRUE))
pass
elif line[0].match("STRUCTURE") and line[1].match("CODE"):
# This will read until END FIELD for us
self._read_labels(line, "STRUCTURE CODE", format)
if self.debug:
print format
#format.write_DFD(sys.stdout)
return
elif line[0].match("NUMERIC") and line[1].match("DESCRIPTOR"):
# This will read until END FIELD for us
self._read_labels(line, "NUMERIC DESCRIPTOR", format)
if self.debug:
print format
#format.write_DFD(sys.stdout)
return
elif line[0].match("FOR"):
# This will read until END FIELD for us
self._read_labels(line, "FOR", format)
if self.debug:
print format
#format.write_DFD(sys.stdout)
return
elif line[0].match("BY"):
raise dfd_parse_error, (line, "Cannot have BY before FOR")
elif line[0].match("REPEAT"):
raise dfd_parse_error, (line, "Cannot have REPEAT before FOR")
elif line[0].match("END") and line[1].match("REPEAT"):
raise dfd_parse_error, (line,
"Cannot have END REPEAT before FOR")
elif line[0].match("THEN"):
raise dfd_parse_error, (line, "Cannot have THEN before FOR")
else:
raise dfd_parse_error,\
(line,"Unexpected item %s"%line[0])
def _read_leader(self):
"""Read the contents of a LEADER...END LEADER structure."""
while 1:
# Read the next significant line in
try:
line = self._get_next_line()
except dfd_eof, detail:
raise dfd_unexpeof, "End of file not expected inside LEADER data"
# Do what seems appropriate
if line[0].match("END") and line[1].match("LEADER"):
self._check_rubbish(line, 1)
if self.debug:
print ">>> END LEADER"
self.had_leader = TRUE
return
elif line[0].match("TAG") and line[1].match("LENGTH"):
length = self._get_number(line, 2, "tag length")
self._check_rubbish(line, 2)
if self.debug:
print ">>> TAG LENGTH %d" % length
pass
elif line[0].match("LEVEL"):
level = self._get_number(line, 1, "level")
self._check_rubbish(line, 1)
if self.debug:
print ">>> LEVEL %d" % level
pass
elif line[0].match("VERSION"):
version = self._get_number(line, 1, "version")
self._check_rubbish(line, 1)
if self.debug:
print ">>> VERSION %d" % version
pass
elif line[0].match("FORM"):
form = self._get_string(line, 1, "form")
self._check_rubbish(line, 1)
if self.debug:
print ">>> FORM '%s'" % form
pass
elif line[0].match("INLINE") and line[1].match("EXTENSION") and\
line[2].match("CODE"):
code = self._get_string(line, 3, "inline extension code")
self._check_rubbish(line, 3)
if self.debug:
print ">>> INLINE EXTENSION CODE '%s'" % code
pass
elif line[0].match("APPLICATION") and line[1].match("INDICATOR"):
appl = self._get_string(line, 2, "application indicator")
self._check_rubbish(line, 2)
if self.debug:
print ">>> APPLICATION INDICATOR '%s'" % printable(appl)
pass
elif line[0].match("ESCAPE"):
esc = self._get_string(
line, 1, "truncated escape or collection number")
self._check_rubbish(line, 1)
if self.debug:
print ">>> ESCAPE '%s' (%s)" % (
printable(esc), iso2022_charset(esc, TRUE))
pass
else:
raise dfd_parse_error,\
(line,"Unrecognised LEADER construct `%s'"%line[0])
def __repr__(self):
if self.is_keyword:
return printable(self.text)
else:
return "'" + printable(self.text) + "'"
