def pack(rows, char_tbl, h_fn):
"""Generate a C included file listing an array that packs multilanguage
messages.
The Output Format
-----------------
MLangHeader LangMsg^L
L: the total number of languages
MLangHeader: MsgCounterPerLang LangCount LangOffset^(L+1)
LangMsg: MsgOffset^(M+1) Msg^M
M: the total number of messages
"""
def lang_offsets(langs, mlang_tbl):
"""Return language offsets.
"""
msg_total = len(mlang_tbl['ID'])
langs = [lang.upper() for lang in langs]
lens = [msg_total+1+len(''.join(mlang_tbl[lang])) for lang in langs]
return offsets_from_lens(lens)
def msg_offsets(msgs):
"""Return message offsets.
"""
return offsets_from_lens([len(x) for x in msgs])
def char_idx_str_from_msg(msg, char_tbl):
"""Generate the string of indexes of chars in a message.
"""
return array_str_from_ints([char_tbl[c] for c in msg])
langs = get_lang_names(rows)
mlang_tbl = gen_mlang_tbl(rows)
lines = [''] * 2
lines += ['%4d, // the total messages of a language'
% len(mlang_tbl['ID'])]
lines += ['%4d, // the total number of languages' % len(langs)]
lines += ['', '// The offsets of languages']
lines += [array_str_from_ints(lang_offsets(langs, mlang_tbl))]
for lang in langs:
msgs = mlang_tbl[lang.upper()]
lines += ['', '// %s message offsets' % lang]
lines += [array_str_from_ints(msg_offsets(msgs))]
lines += ['', '// %s messages' % lang]
if lang.upper() == 'ARABIC':
msgs = [arabic.shape(m) for m in msgs]
lines += [char_idx_str_from_msg(m, char_tbl) for m in msgs]
lines = prefix_authorship(lines, comment_mark='//')
save_utf8_file(h_fn, lines)
def get_mlang_records(rows):
"""Get records without ID column
"""
heads, records = rows[0], rows[1:]
heads = [h.upper() for h in heads]
try:
i = heads.index('ARABIC')
records = [list(r) for r in records]
for r in records:
r[i] = arabic.shape(r[i])
except ValueError:
pass
i = heads.index('ID')
return [r[:i] + r[i+1:] for r in records]
