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#!/usr/bin/python
"""
A simple command-line interface to the DTD parser. Intended for those rare
cases when one wants to just parse a DTD and nothing more.
"""
import sys, getopt
from xml.parsers.xmlproc import xmlproc,dtdparser,utils,xmldtd
# --- Doco
usage=\
"""
Usage:
python dtdcmd.py [--list] <urltodtd>+
---Options:
--list: List all declarations after parsing.
"""
# --- Utilities
def paired_list_to_hash(list):
hash = {}
for (name, value) in list:
hash[name] = value
return hash
# --- Functionality
def listdecls(dtd):
print
print "=== DECLARATIONS"
print
print "---Elements"
elems = dtd.get_elements()
elems.sort()
for elem in elems:
print elem
print
print "---Entities"
ents = dtd.get_general_entities()
ents.sort()
for ent in ents:
print ent
print
print "---Notations"
nots = dtd.get_notations()
if nots == []:
print "No notations declared."
else:
nots.sort()
for notation in nots:
print notation
# --- Head
print
print "xmlproc version %s" % xmlproc.version
# --- Argument interpretation
try:
(options,sysids)=getopt.getopt(sys.argv[1:],"",["list"])
except getopt.error,e:
print "Usage error: "+e
print usage
sys.exit(1)
options = paired_list_to_hash(options)
list = options.has_key("--list")
# --- Initialization
parser=dtdparser.DTDParser()
if list:
dtd = xmldtd.CompleteDTD(parser)
parser.set_dtd_consumer(dtd)
parser.set_error_handler(utils.ErrorPrinter(parser))
# --- Parsing
for sysid in sysids:
print "Parsing",sysid
parser.parse_resource(sysid)
print "Parsing complete"
# --- Reporting
if list:
listdecls(dtd)
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