60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
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# Mapping from LCD source encoding to unicode characters
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CUSTOM_CHARS = {
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'\x04': '🔃',
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'\xe4': 'µ',
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'\xdf': '°',
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'\xe1': 'ä',
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'\xe4': 'μ',
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'\xef': 'ö',
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'\xf5': 'ü',
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}
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# Charaters to be remapped prior to source-encoding transformation
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# This transformation is applied to the translation prior to being converted to the final encoding,
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# and maps UTF8 to UTF8. It replaces unavailable symbols in the translation to a close
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# representation in the source encoding.
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TRANS_CHARS = {
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'Ä': 'ä',
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'Å': 'A',
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'Ö': 'ö',
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'Ü': 'ü',
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'å': 'a',
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'æ': 'ä',
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'ø': 'ö',
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'ß': 'ss',
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}
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def _character_check(buf, valid_chars):
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for c in buf:
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if (not c.isascii() or not c.isprintable()) and c not in valid_chars:
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return c
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return None
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def source_check(buf):
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valid_chars = set(CUSTOM_CHARS.values())
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valid_chars.add('\n')
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return _character_check(buf, valid_chars)
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def translation_check(buf):
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valid_chars = set(CUSTOM_CHARS.keys())
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valid_chars.add('\n')
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return _character_check(buf, valid_chars)
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def source_to_unicode(buf):
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for src, dst in CUSTOM_CHARS.items():
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buf = buf.replace(src, dst)
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return buf
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def trans_replace(buf):
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for src, dst in TRANS_CHARS.items():
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buf = buf.replace(src, dst)
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return buf
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def unicode_to_source(buf):
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buf = trans_replace(buf)
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for dst, src in CUSTOM_CHARS.items():
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buf = buf.replace(src, dst)
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return buf
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