#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from __future__ import division, generators, print_function, with_statement
r"""Starting file for creating a Python module.

file          listutf8.py

function      listutf8

purpose       list all Unicode code point values with UTF-8 octets

syntax        listutf8

email         11054987560151472272755686915985840251291393453694611309
"""
#-------.-------.-------.-------.-------.-------.-------.-------.-------.-------.
__license__ = r"""
Copyright © 2018, by Phil D. Howard - all other rights reserved

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

The author may be contacted by decoding the number
11054987560151472272755686915985840251291393453694611309
(provu igi la numeron al duuma)
"""

#-------.-------.-------.-------.-------.-------.-------.-------.-------.-------

import os
#from decimal import Decimal
from sys import argv, stderr, stdin, stdout, version_info
from time import sleep, strftime, time as secs

from to_utf8 import to_utf8
from un_utf8 import un_utf8
from to_fixed_base import to_fixed_base

try:
    if 'nodebug' in os.environ:
        def sl(*a,**o): return
        def pr(*a,**o): return
        def pv(*a,**o): return
    else:
        from d import sl, pr, pv
except ImportError:
    def sl(*a,**o): return
    def pr(*a,**o): return
    def pv(*a,**o): return

#-------.-------.-------.-------.-------.-------.-------.-------.-------.-------
unicodemin = 0
unicodemax = 0x110000

def eprint(*a,**o):
    if 'file' not in o:
        o['file']=stderr
    r=print(*a,**o)
    o['file'].flush()
    return r

def oprint(*a,**o):
    if 'file' not in o:
        o['file']=stdout
    r=print(*a,**o)
    o['file'].flush()
    return r

def help():
    eprint('scream loudly for help')
    return

def version():
    eprint('version la.la.la')
    return

def main(args):
    errors = 0
    cmdname = args.pop(0)
    opts = set([])

    if 'h' in opts:
        return help()

    if 'v' in opts:
        return version()

    files = [open(str(x+1),'wb')for x in range(8)]
    lenfiles = len(files)

    for point in range(unicodemin,unicodemax):

        utf = to_utf8(point,modified=False)
        lenutf = len(utf)
        org = un_utf8(utf)
        if isinstance(org,(list,tuple)) and len(org) == 1 and isinstance(org[0],int):
            org = org[0]
        if org != point:
            raise ValueError(f'converted {point!r} to UTF-8 {utf!r} which failed to convert back, got {org!r}')

        if point < 0x10000:
            out = 'U+'+hex(point+0x10000)[-4:].upper()
        else:
            out = 'U+'+hex(point)[2:].upper()

        out += ' '
        out += '('+str(point)+')'
        out += ' = '
        out += ' '.join(hex(b+0x100)[-2:].upper() for b in utf)

        if point < unicodemax and chr(point).isprintable():
                s = ''.join(chr(x)for x in utf)
                if point == 92: # is \?
                    s = s+s # is \\
                out += ' :  '
                out += s

        if lenutf <= lenfiles:
            b = bytes(ord(x)for x in out) + b'\n'
            files[lenutf-1].write(b)

    for f in files:
        f.close()

    return 0

#-------.-------.-------.-------.-------.-------.-------.-------.-------.-------
if __name__ == '__main__':
    from sys import argv, stderr, stdin, stdout, version_info
    if bytes == str:
        BrokenPipeError, FileNotFoundError = IOError, OSError
    try:
        result = main(argv)
    except BrokenPipeError:
        result = 99
    except KeyboardInterrupt:
        stderr.flush()
        print()
        result = 98
    try:
        stderr.flush()
    except:
        pass
    try:
        stdout.flush()
    except:
        pass
    if result == 0 or result is None or result is True:
        exit(0)
    if result == 1 or result is False:
        exit(1)
    if isinstance(result,str):
        print(result,file=stderr)
        stderr.flush()
        exit(2)
    try:
        exit(int(result))
    except ValueError:
        print(str(result),file=stderr)
        stderr.flush()
        exit(3)
    except TypeError:
        exit(4)
# EOF
#-------.-------.-------.-------.-------.-------.-------.-------.-------.-------