import urllib2
import sys

DATA = 'http://www.unicode.org/Public/6.0.0/ucd/UnicodeData.txt'
OUTPUT = 'src/iso6937_tables'

data = urllib2.urlopen(DATA).read()
# data = open('UnicodeData.txt').read()
output_c = open(OUTPUT + '.cc', 'w')
output_h = open(OUTPUT + '.h', 'w')

def find_unicode(n):
    for line in iter(data.splitlines()):
        s = line.split(';')
        if s[1] == n:
            return s[0]

    print 'Could not find %s' % n
    sys.exit(1)

def setup(output_diacritical_name):
    print>>output_c,'map<char, wchar_t> sub::iso6937::%s;' % output_diacritical_name

def fill(unicode_diacritical_name, output_diacritical_name, letters):

    print>>output_h,'extern std::map<char, wchar_t> %s;' % output_diacritical_name
    
    for letter in letters:
        if letter.isupper():
            case = 'CAPITAL'
        else:
            case = 'SMALL'

        unicode_name = 'LATIN %s LETTER %s WITH %s' % (case, letter.upper(), unicode_diacritical_name)
        print>>output_c,"\t%s['%s'] = 0x%s;" % (output_diacritical_name, letter, find_unicode(unicode_name))

    print>>output_c,""

print>>output_c,"""/*
    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

/* THIS FILE WAS AUTO-GENERATED BY iso6937.py */

#include <map>
#include "iso6937_tables.h"

using std::map;
"""

print>>output_h,"""/*
    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

/* THIS FILE WAS AUTO-GENERATED BY iso6937.py */

#include <map>

namespace sub {

extern void make_iso6937_tables ();

namespace iso6937 {
"""

groups = [
    (0xC1, 'GRAVE', 'grave', 'AEIOUaeiou'),
    (0xC2, 'ACUTE', 'acute', 'ACEILNORSUYZacegilnorsuyz'),
    (0xC3, 'CIRCUMFLEX', 'circumflex', 'ACEGHIJOSUWYaceghijosuwy'),
    (0xC4, 'TILDE', 'tilde', 'AINOUainou'),
    (0xC5, 'MACRON', 'macron', 'AEIOUaeiou'),
    (0xC6, 'BREVE', 'breve', 'AGUagu'),
    (0xC7, 'DOT ABOVE', 'dot', 'CEGIZcegz'),
    (0xC8, 'DIAERESIS', 'diaeresis', 'AEIOUYaeiouy'),
    (0xCA, 'RING ABOVE', 'ring', 'AUau'),
    (0xCB, 'CEDILLA', 'cedilla', 'CGKLNRSTcklnrst'),
    (0xCD, 'DOUBLE ACUTE', 'double_acute', 'OUou'),
    (0xCE, 'OGONEK', 'ogonek', 'AEIUaeui'),
    (0xCF, 'CARON', 'caron', 'CDELNRSTZcdelnrstz')
]

for g in groups:
    setup(g[2])

print>>output_c,"map<char, wchar_t> sub::iso6937::main;"
print>>output_c,"map<char, map<char, wchar_t> *> sub::iso6937::diacriticals;"
print>>output_h,"extern std::map<char, wchar_t> main;"
print>>output_h,"extern std::map<char, std::map<char, wchar_t> *> diacriticals;"

print>>output_c,"""
void
sub::make_iso6937_tables ()
{
\tusing namespace sub::iso6937;
"""

for g in groups:
    fill(g[1], g[2], g[3])

print>>output_c,"\tmain[10] = 0x000A;"

for i in range(32, 127):
    if chr(i) == "'" or chr(i) == "\\":
        print>>output_c,"\tmain['\\%s'] = 0x00%x;" % (chr(i), i)
    else:
        print>>output_c,"\tmain['%s'] = 0x00%x;" % (chr(i), i)

# From Wikipedia
# http://en.wikipedia.org/wiki/ISO/IEC_6937
print>>output_c,"\tmain[161] = 0x00A1;"
print>>output_c,"\tmain[162] = 0x00A2;"
print>>output_c,"\tmain[163] = 0x00A3;"
print>>output_c,"\tmain[165] = 0x00A5;"
print>>output_c,"\tmain[167] = 0x00A7;"
print>>output_c,"\tmain[168] = 0x00A4;"
print>>output_c,"\tmain[169] = 0x2018;"
print>>output_c,"\tmain[170] = 0x201C;"
print>>output_c,"\tmain[171] = 0x00AB;"
print>>output_c,"\tmain[172] = 0x2190;"
print>>output_c,"\tmain[173] = 0x2191;"
print>>output_c,"\tmain[174] = 0x2192;"
print>>output_c,"\tmain[175] = 0x2193;"
print>>output_c,"\tmain[176] = 0x00B0;"
print>>output_c,"\tmain[177] = 0x00B1;"
print>>output_c,"\tmain[178] = 0x00B2;"
print>>output_c,"\tmain[179] = 0x00B3;"
print>>output_c,"\tmain[180] = 0x00D7;"
print>>output_c,"\tmain[181] = 0x00B5;"
print>>output_c,"\tmain[182] = 0x00B6;"
print>>output_c,"\tmain[183] = 0x00B7;"
print>>output_c,"\tmain[184] = 0x00F7;"
print>>output_c,"\tmain[185] = 0x2019;"
print>>output_c,"\tmain[186] = 0x201D;"
print>>output_c,"\tmain[187] = 0x00BB;"
print>>output_c,"\tmain[188] = 0x00BC;"
print>>output_c,"\tmain[189] = 0x00BD;"
print>>output_c,"\tmain[190] = 0x00BE;"
print>>output_c,"\tmain[191] = 0x00BF;"
print>>output_c,"\tmain[193] = 0x0300;"
print>>output_c,"\tmain[194] = 0x0301;"
print>>output_c,"\tmain[195] = 0x0302;"
print>>output_c,"\tmain[196] = 0x0303;"
print>>output_c,"\tmain[197] = 0x0304;"
print>>output_c,"\tmain[198] = 0x0306;"
print>>output_c,"\tmain[199] = 0x0307;"
print>>output_c,"\tmain[200] = 0x0308;"
print>>output_c,"\tmain[202] = 0x030A;"
print>>output_c,"\tmain[203] = 0x0327;"
print>>output_c,"\tmain[205] = 0x030B;"
print>>output_c,"\tmain[206] = 0x032B;"
print>>output_c,"\tmain[207] = 0x030C;"
print>>output_c,"\tmain[208] = 0x2015;"
print>>output_c,"\tmain[209] = 0x00B9;"
print>>output_c,"\tmain[210] = 0x00AE;"
print>>output_c,"\tmain[211] = 0x00A9;"
print>>output_c,"\tmain[212] = 0x2122;"
print>>output_c,"\tmain[213] = 0x266A;"
print>>output_c,"\tmain[214] = 0x00AC;"
print>>output_c,"\tmain[215] = 0x00A6;"
print>>output_c,"\tmain[220] = 0x215B;"
print>>output_c,"\tmain[221] = 0x215C;"
print>>output_c,"\tmain[222] = 0x215D;"
print>>output_c,"\tmain[223] = 0x215E;"
print>>output_c,"\tmain[224] = 0x2126;"
print>>output_c,"\tmain[225] = 0x00C6;"
print>>output_c,"\tmain[226] = 0x0110;"
print>>output_c,"\tmain[227] = 0x00AA;"
print>>output_c,"\tmain[228] = 0x0126;"
print>>output_c,"\tmain[230] = 0x0132;"
print>>output_c,"\tmain[231] = 0x013F;"
print>>output_c,"\tmain[232] = 0x0141;"
print>>output_c,"\tmain[233] = 0x00D8;"
print>>output_c,"\tmain[234] = 0x0152;"
print>>output_c,"\tmain[235] = 0x00BA;"
print>>output_c,"\tmain[236] = 0x00DE;"
print>>output_c,"\tmain[237] = 0x0166;"
print>>output_c,"\tmain[238] = 0x014A;"
print>>output_c,"\tmain[239] = 0x0149;"
print>>output_c,"\tmain[240] = 0x0138;"
print>>output_c,"\tmain[241] = 0x00E6;"
print>>output_c,"\tmain[242] = 0x0111;"
print>>output_c,"\tmain[243] = 0x00F0;"
print>>output_c,"\tmain[244] = 0x0127;"
print>>output_c,"\tmain[245] = 0x0131;"
print>>output_c,"\tmain[246] = 0x0133;"
print>>output_c,"\tmain[247] = 0x0140;"
print>>output_c,"\tmain[248] = 0x0142;"
print>>output_c,"\tmain[249] = 0x00F8;"
print>>output_c,"\tmain[250] = 0x0153;"
print>>output_c,"\tmain[251] = 0x00DF;"
print>>output_c,"\tmain[252] = 0x00FE;"
print>>output_c,"\tmain[253] = 0x0167;"
print>>output_c,"\tmain[254] = 0x014B;"
print>>output_c,"\tmain[255] = 0x00AD;"
print>>output_c,""

for g in groups:
    print>>output_c,"\tdiacriticals[%s] = &%s;" % (hex(g[0]), g[2])

print>>output_c,"}"
print>>output_h,""
print>>output_h,"}"
print>>output_h,"}"