elea9003-emu/caratteri.py

# coding=utf8

import sys
from pprint import pprint

mappa_caratteri = [
    "0", "1", "~", "2", "4", "+", "#", "3", "5", "6", "/", "7",  "9",  "-",  "÷", "8",
    "Φ", "A", "δ", "B", "D", "=", "α", "C", "E", "F", "%", "G",  "I",  ",",  "γ", "H",
    ".", "S", "θ", "T", "V", "!", ")", "U", "W", "X", "?", "Y",  "\'", "&", "⊗", "Z",
    "ε", "J", "*", "K", "M", "(", "β", "L", "N", "O", "$", "η",  "R",  "P", "π", "Q"
]

caratteri_python_a_elea = {
     char.decode('utf-8'): idx
        for idx, char in enumerate(mappa_caratteri) }

def stringa_python_a_elea(string):
    s = []

    for i in string.decode('utf-8'):
        if i in (' ', '\n'):
            continue

        xx = caratteri_python_a_elea.get(i, None)
        if xx is None:
            raise Exception("carattere %s non mappato" % i)

        s.append(xx)

    return s

def elea_a_c(l):
    l2 = ('%3d,' % i for i in l)
    return '    ' + ' '.join(l2)

def stringa_elea_a_c(l):
    e = stringa_python_a_elea(l)
    e2 = elea_a_c(e)
    return e2 + "    /* " + l + " */"

PROLOGO = """#include "elea_tipi.h"

const carattere %s[] = {
"""

EPILOGO = """};

const int %s_lunghezza = sizeof(%s) / sizeof(carattere);

"""

def txt_to_c(stringa_txt, nome):
    x = []
    x += (PROLOGO % nome).splitlines()

    for line in stringa_txt.splitlines():
        l2 = line.strip()
        if len(l2) == 0: continue
        x.append(stringa_elea_a_c(l2))

    x += (EPILOGO % (nome, nome)).splitlines()

    return '\n'.join(x)

def converti(nomefile):
    nome = nomefile.split('.', 1)[0]
    x = open(nomefile).read()
    c = txt_to_c(x, nome)
    open('%s.c' % nome, 'w').write(c)

if __name__ == '__main__':
    try:
        nomefile = sys.argv[1]
    except:
        print "converte da txt in elea -> file c\n"
        print "usaggio: %s nomefile.txt"
        sys.exit()
    
    converti(nomefile)