eBookReaderSwitch/scripts/makeencoding.py

86 lines
2.7 KiB
Python

#!/usr/bin/env python3
# Convert unicode mapping table to C arrays mapping glyph names and unicode values.
#
# ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MISC/KOI8-U.TXT
# ftp://ftp.unicode.org/Public/MAPPINGS/ISO8859/8859-1.TXT
# ftp://ftp.unicode.org/Public/MAPPINGS/ISO8859/8859-7.TXT
# ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1250.TXT
# ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1251.TXT
# ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1252.TXT
#
BANNED = [
"controlSTX", "controlSOT", "controlETX", "controlEOT", "controlENQ",
"controlACK", "controlBEL", "controlBS", "controlHT", "controlLF",
"controlVT", "controlFF", "controlCR", "controlSO", "controlSI",
"controlDLE", "controlDC1", "controlDC2", "controlDC3", "controlDC4",
"controlNAK", "controlSYN", "controlETB", "controlCAN", "controlEM",
"controlSUB", "controlESC", "controlFS", "controlGS", "controlRS",
"controlUS",
"SF100000", "SF110000", "SF010000", "SF030000", "SF020000", "SF040000",
"SF080000", "SF090000", "SF060000", "SF070000", "SF050000", "SF430000",
"SF240000", "SF510000", "SF390000", "SF250000", "SF500000", "SF490000",
"SF380000", "SF280000", "SF260000", "SF360000", "SF370000", "SF420000",
"SF190000", "SF230000", "SF410000", "SF450000", "SF460000", "SF400000",
"SF540000", "SF440000",
]
glyphs = {}
for line in open("scripts/glyphlist.txt").readlines():
if line[0] != '#':
n, u = line.rstrip().split(';')
if len(u) == 4:
u = int(u, base=16)
if u not in glyphs and n not in BANNED:
glyphs[u] = n
def load_table(fn):
table = [0] * 256
for line in open(fn).readlines():
line = line.strip()
if line[0] != '#' and not line.endswith("#UNDEFINED"):
line = line.split()
c = int(line[0][2:], base=16)
u = int(line[1][2:], base=16)
table[c] = u
return table
def dump_table(name, table):
print("unsigned short fz_unicode_from_%s[256] = {" % name)
for u in table:
print('\t%d,' % u)
print("};")
print()
print("const char *fz_glyph_name_from_%s[%d] = {" % (name, len(table)))
for u in table:
if u in glyphs:
print('\t"%s",' % glyphs[u])
else:
print('\t_notdef,')
print("};")
print()
rev = []
i = 0
for u in table:
if u in glyphs:
if u >= 128:
rev += ['{0x%04x,%d},' % (u, i)]
i = i + 1
rev.sort()
print("static const struct { unsigned short u, c; } %s_from_unicode[] = {" % name)
for s in rev:
print("\t" + s)
print("};")
print()
dump_table("iso8859_1", load_table("scripts/8859-1.TXT"))
dump_table("iso8859_7", load_table("scripts/8859-7.TXT"))
dump_table("koi8u", load_table("scripts/KOI8-U.TXT"))
dump_table("windows_1250", load_table("scripts/CP1250.TXT"))
dump_table("windows_1251", load_table("scripts/CP1251.TXT"))
dump_table("windows_1252", load_table("scripts/CP1252.TXT"))