Some adjustments, mostly to make it more general.

This commit is contained in:
Fred Drake 1999-02-18 16:30:16 +00:00
parent 4cc902f464
commit 607aed7a2c
1 changed files with 97 additions and 21 deletions

View File

@ -5,6 +5,10 @@
This is limited, but seems sufficient for the ESIS generated by the This is limited, but seems sufficient for the ESIS generated by the
latex2esis.py script when run over the Python documentation. latex2esis.py script when run over the Python documentation.
""" """
# This should have an explicit option to indicate whether the *INPUT* was
# generated from an SGML or an XML application.
__version__ = '$Revision$' __version__ = '$Revision$'
import errno import errno
@ -16,29 +20,52 @@ import string
from xml.utils import escape from xml.utils import escape
AUTOCLOSE = ()
EMPTIES_FILENAME = "../sgml/empties.dat" EMPTIES_FILENAME = "../sgml/empties.dat"
LIST_EMPTIES = 0 LIST_EMPTIES = 0
_elem_map = {}
_attr_map = {}
_token_map = {}
_normalize_case = str
def map_gi(sgmlgi, map):
uncased = _normalize_case(sgmlgi)
try:
return map[uncased]
except IndexError:
map[uncased] = sgmlgi
return sgmlgi
def null_map_gi(sgmlgi, map):
return sgmlgi
def format_attrs(attrs, xml=0): def format_attrs(attrs, xml=0):
attrs = attrs.items() attrs = attrs.items()
attrs.sort() attrs.sort()
s = '' parts = []
append = parts.append
for name, value in attrs: for name, value in attrs:
if xml: if xml:
s = '%s %s="%s"' % (s, name, escape(value)) append('%s="%s"' % (name, escape(value)))
else: else:
# this is a little bogus, but should do for now # this is a little bogus, but should do for now
if name == value and isnmtoken(value): if name == value and isnmtoken(value):
s = "%s %s" % (s, value) append(value)
elif istoken(value): elif istoken(value):
if value == "no" + name: if value == "no" + name:
s = "%s %s" % (s, value) append(value)
else: else:
s = "%s %s=%s" % (s, name, value) append("%s=%s" % (name, value))
else: else:
s = '%s %s="%s"' % (s, name, escape(value)) append('%s="%s"' % (name, escape(value)))
return s if parts:
parts.insert(0, '')
return string.join(parts)
_nmtoken_rx = re.compile("[a-z][-._a-z0-9]*$", re.IGNORECASE) _nmtoken_rx = re.compile("[a-z][-._a-z0-9]*$", re.IGNORECASE)
@ -78,6 +105,7 @@ def do_convert(ifp, ofp, xml=0, autoclose=()):
if data == "COMMENT": if data == "COMMENT":
ofp.write("<!--") ofp.write("<!--")
continue continue
data = map_gi(data, _elem_map)
if knownempty and xml: if knownempty and xml:
ofp.write("<%s%s/>" % (data, format_attrs(attrs, xml))) ofp.write("<%s%s/>" % (data, format_attrs(attrs, xml)))
else: else:
@ -93,6 +121,7 @@ def do_convert(ifp, ofp, xml=0, autoclose=()):
if data == "COMMENT": if data == "COMMENT":
ofp.write("-->") ofp.write("-->")
continue continue
data = map_gi(data, _elem_map)
if xml: if xml:
if not lastempty: if not lastempty:
ofp.write("</%s>" % data) ofp.write("</%s>" % data)
@ -107,19 +136,24 @@ def do_convert(ifp, ofp, xml=0, autoclose=()):
lastempty = 0 lastempty = 0
elif type == "A": elif type == "A":
name, type, value = string.split(data, " ", 2) name, type, value = string.split(data, " ", 2)
name = map_gi(name, _attr_map)
attrs[name] = esistools.decode(value) attrs[name] = esistools.decode(value)
elif type == "e": elif type == "e":
knownempty = 1 knownempty = 1
if LIST_EMPTIES: if LIST_EMPTIES:
knownempties.append("") dump_empty_element_names(knownempties)
if os.path.isfile(EMPTIES_FILENAME):
mode = "a"
else: def dump_empty_element_names(knownempties):
mode = "w" knownempties.append("")
fp = open(EMPTIES_FILENAME, mode) if os.path.isfile(EMPTIES_FILENAME):
fp.write(string.join(knownempties, "\n")) mode = "a"
fp.close() else:
mode = "w"
fp = open(EMPTIES_FILENAME, mode)
fp.write(string.join(knownempties, "\n"))
fp.close()
def sgml_convert(ifp, ofp, autoclose): def sgml_convert(ifp, ofp, autoclose):
@ -130,7 +164,13 @@ def xml_convert(ifp, ofp, autoclose):
return do_convert(ifp, ofp, xml=1, autoclose=autoclose) return do_convert(ifp, ofp, xml=1, autoclose=autoclose)
AUTOCLOSE = ("para", "term",) def update_gi_map(map, names, fromsgml=1):
for name in string.split(names, ","):
if fromsgml:
uncased = string.lower(name)
else:
uncased = name
map[uncased] = name
def main(): def main():
@ -138,19 +178,39 @@ def main():
import sys import sys
# #
autoclose = AUTOCLOSE autoclose = AUTOCLOSE
convert = sgml_convert convert = xml_convert
xml = 0 xml = 1
xmldecl = 0 xmldecl = 0
opts, args = getopt.getopt(sys.argv[1:], "adx", elem_names = ''
["autoclose", "declare", "xml"]) attr_names = ''
value_names = ''
opts, args = getopt.getopt(sys.argv[1:], "adesx",
["autoclose=", "declare", "sgml", "xml",
"elements-map=", "attributes-map",
"values-map="])
for opt, arg in opts: for opt, arg in opts:
if opt in ("-d", "--declare"): if opt in ("-d", "--declare"):
xmldecl = 1 xmldecl = 1
elif opt == "-e":
global LIST_EMPTIES
LIST_EMPTIES = 1
elif opt in ("-s", "--sgml"):
xml = 0
convert = sgml_convert
elif opt in ("-x", "--xml"): elif opt in ("-x", "--xml"):
xml = 1 xml = 1
convert = xml_convert convert = xml_convert
elif opt in ("-a", "--autoclose"): elif opt in ("-a", "--autoclose"):
autoclose = string.split(arg, ",") autoclose = string.split(arg, ",")
elif opt == "--elements-map":
elem_names = ("%s,%s" % (elem_names, arg))[1:]
elif opt == "--attributes-map":
attr_names = ("%s,%s" % (attr_names, arg))[1:]
elif opt == "--values-map":
value_names = ("%s,%s" % (value_names, arg))[1:]
#
# open input streams:
#
if len(args) == 0: if len(args) == 0:
ifp = sys.stdin ifp = sys.stdin
ofp = sys.stdout ofp = sys.stdout
@ -163,7 +223,23 @@ def main():
else: else:
usage() usage()
sys.exit(2) sys.exit(2)
# knownempties is ignored in the XML version #
# setup the name maps:
#
if elem_names or attr_names or value_names:
# assume the origin was SGML; ignore case of the names from the ESIS
# stream but set up conversion tables to get the case right on output
global _normalize_case
_normalize_case = string.lower
update_gi_map(_elem_map, string.split(elem_names, ","))
update_gi_map(_attr_map, string.split(attr_names, ","))
update_gi_map(_values_map, string.split(value_names, ","))
else:
global map_gi
map_gi = null_map_gi
#
# run the conversion:
#
try: try:
if xml and xmldecl: if xml and xmldecl:
opf.write('<?xml version="1.0" encoding="iso8859-1"?>\n') opf.write('<?xml version="1.0" encoding="iso8859-1"?>\n')