cd3110ea92
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@22551 ec53bebd-3082-4978-b11e-865c3cabbd6b
132 lines
3.6 KiB
Python
Executable File
132 lines
3.6 KiB
Python
Executable File
#!/usr/local/bin/python
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# -*- coding: iso-8859-1 -*-
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# $Id$
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# Copyright (c) 2004 Kungliga Tekniska Högskolan
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# (Royal Institute of Technology, Stockholm, Sweden).
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the Institute nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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import re
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import string
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import sys
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import generate
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if len(sys.argv) != 2:
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print "usage: %s rfc3492.txt" % sys.argv[0]
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sys.exit(1)
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f = open(sys.argv[1], 'r')
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examples_h = generate.Header('punycode_examples.h')
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examples_c = generate.Header('punycode_examples.c')
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start = False
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while True:
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l = f.readline()
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if not l:
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break
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if l[-2:] == "\\\n":
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l2 = f.readline()
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if not l2:
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raise Exception("EOF in backslash escape")
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l2 = re.sub('^ *', '', l2)
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l = l[:-2] + l2
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if start:
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if re.match('7\.2', l):
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start = False
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else:
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m = re.search('^ *\([A-Z]\) *(.*)$', l);
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if m:
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desc = m.group(1)
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codes = []
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else:
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m = re.search('^ *([uU]+.*) *$', l)
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if m:
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codes.extend(string.split(m.group(1), ' '))
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else:
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m = re.search('^ *Punycode: (.*) *$', l)
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if m:
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cases.append([codes, m.group(1), desc])
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else:
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if re.match('^7\.1', l):
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start = True
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cases = []
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f.close()
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examples_h.file.write(
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'''
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#include <stddef.h>
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#include <stdint.h>
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#define MAX_LENGTH 40
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struct punycode_example {
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size_t len;
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uint32_t val[MAX_LENGTH];
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const char *pc;
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const char *description;
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};
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extern const struct punycode_example punycode_examples[];
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extern const size_t punycode_examples_size;
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''')
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examples_c.file.write(
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'''
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#include "punycode_examples.h"
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const struct punycode_example punycode_examples[] = {
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''')
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for x in cases:
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[cp, pc, desc] = x
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examples_c.file.write(
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" {%u, {%s}, \"%s\", \"%s\"},\n" %
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(len(cp),
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string.join([re.sub('[uU]\+', '0x', x) for x in cp], ', '),
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pc,
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desc))
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examples_c.file.write(
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'''};
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''')
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examples_c.file.write(
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"const size_t punycode_examples_size = %u;\n\n" % len(cases))
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examples_h.close()
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examples_c.close()
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