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#!/usr/local/bin/python
# -*- coding: iso-8859-1 -*-
# $Id$
# Copyright (c) 2004 Kungliga Tekniska Högskolan
# (Royal Institute of Technology, Stockholm, Sweden).
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the Institute nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
import re
import string
import sys
import generate
import UnicodeData
import util
if len(sys.argv) != 4:
print "usage: %s UnicodeData.txt"
" CompositionExclusions-3.2.0.txt out-dir" % sys.argv[0]
sys.exit(1)
ud = UnicodeData.read(sys.argv[1])
def sortedKeys(d):
"""Return a sorted list of the keys of a dict"""
keys = d.keys()
keys.sort()
return keys
trans = dict([(k, [re.sub('<[a-zA-Z]+>', '', v[4]), v[0]])
for k,v in ud.items() if v[4]])
maxLength = 0
for v in trans.values():
maxLength = max(maxLength, len(v[0].split()))
normalize_h = generate.Header('%s/normalize_table.h' % sys.argv[3])
normalize_c = generate.Implementation('%s/normalize_table.c' % sys.argv[3])
normalize_h.file.write(
'''
#include <krb5-types.h>
#define MAX_LENGTH_CANON %u
struct translation {
uint32_t key;
unsigned short val_len;
unsigned short val_offset;
};
extern const struct translation _wind_normalize_table[];
extern const uint32_t _wind_normalize_val_table[];
extern const size_t _wind_normalize_table_size;
struct canon_node {
uint32_t val;
unsigned char next_start;
unsigned char next_end;
unsigned short next_offset;
};
extern const struct canon_node _wind_canon_table[];
extern const unsigned short _wind_canon_next_table[];
''' % maxLength)
normalize_c.file.write(
'''
#include "normalize_table.h"
const struct translation _wind_normalize_table[] = {
''')
normalizeValTable = []
for k in sortedKeys(trans) :
v = trans[k]
(key, value, description) = k, v[0], v[1]
vec = [int(x, 0x10) for x in value.split()];
offset = util.subList(normalizeValTable, vec)
if not offset:
offset = len(normalizeValTable)
normalizeValTable.extend(vec) # [("0x%s" % i) for i in vec])
normalize_c.file.write(" {0x%x, %u, %u}, /* %s */\n"
% (key, len(vec), offset, description))
normalize_c.file.write(
'''};
''')
normalize_c.file.write(
"const size_t _wind_normalize_table_size = %u;\n\n" % len(trans))
normalize_c.file.write("const uint32_t _wind_normalize_val_table[] = {\n")
for v in normalizeValTable:
normalize_c.file.write(" 0x%x,\n" % v)
normalize_c.file.write("};\n\n");
exclusions = UnicodeData.read(sys.argv[2])
inv = dict([(''.join(["%05x" % int(x, 0x10) for x in v[4].split(' ')]),
[k, v[0]])
for k,v in ud.items()
if v[4] and not re.search('<[a-zA-Z]+> *', v[4]) and not exclusions.has_key(k)])
table = 0
tables = {}
def createTable():
"""add a new table"""
global table, tables
ret = table
table += 1
tables[ret] = [0] + [None] * 16
return ret
def add(table, k, v):
"""add an entry (k, v) to table (recursively)"""
if len(k) == 0:
table[0] = v[0]
else:
i = int(k[0], 0x10) + 1
if table[i] == None:
table[i] = createTable()
add(tables[table[i]], k[1:], v)
top = createTable()
for k,v in inv.items():
add(tables[top], k, v)
next_table = []
tableToNext = {}
tableEnd = {}
tableStart = {}
for k in sortedKeys(tables) :
t = tables[k]
tableToNext[k] = len(next_table)
l = t[1:]
start = 0
while start < 16 and l[start] == None:
start += 1
end = 16
while end > start and l[end - 1] == None:
end -= 1
tableStart[k] = start
tableEnd[k] = end
n = []
for i in range(start, end):
x = l[i]
if x:
n.append(x)
else:
n.append(0)
next_table.extend(n)
normalize_c.file.write("const struct canon_node _wind_canon_table[] = {\n")
for k in sortedKeys(tables) :
t = tables[k]
normalize_c.file.write(" {0x%x, %u, %u, %u},\n" %
(t[0], tableStart[k], tableEnd[k], tableToNext[k]))
normalize_c.file.write("};\n\n")
normalize_c.file.write("const unsigned short _wind_canon_next_table[] = {\n")
for k in next_table:
normalize_c.file.write(" %u,\n" % k)
normalize_c.file.write("};\n\n")
normalize_h.close()
normalize_c.close()
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